/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-SemanticLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/mix042_power.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-d5b4239aa45c8d22a30959944f2ef622f7386a6d-d5b4239 [2021-03-24 19:39:43,636 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-24 19:39:43,638 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-24 19:39:43,658 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-24 19:39:43,659 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-24 19:39:43,661 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-24 19:39:43,664 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-24 19:39:43,668 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-24 19:39:43,670 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-24 19:39:43,672 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-24 19:39:43,673 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-24 19:39:43,674 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-24 19:39:43,674 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-24 19:39:43,675 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-24 19:39:43,676 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-24 19:39:43,677 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-24 19:39:43,678 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-24 19:39:43,678 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-24 19:39:43,682 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-24 19:39:43,688 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-24 19:39:43,689 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-24 19:39:43,689 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-24 19:39:43,690 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-24 19:39:43,692 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-24 19:39:43,697 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-03-24 19:39:43,701 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-24 19:39:43,702 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-24 19:39:43,702 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-24 19:39:43,704 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-SemanticLbe.epf [2021-03-24 19:39:43,730 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-24 19:39:43,730 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-24 19:39:43,732 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-24 19:39:43,732 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-24 19:39:43,732 INFO L138 SettingsManager]: * Use SBE=true [2021-03-24 19:39:43,733 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-24 19:39:43,733 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-24 19:39:43,733 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-24 19:39:43,733 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-24 19:39:43,733 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-24 19:39:43,734 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-24 19:39:43,734 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-24 19:39:43,734 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-24 19:39:43,734 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-24 19:39:43,734 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-24 19:39:43,734 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-24 19:39:43,734 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-24 19:39:43,734 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-24 19:39:43,734 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-24 19:39:43,734 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-24 19:39:43,735 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-24 19:39:43,735 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-24 19:39:43,735 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-24 19:39:43,735 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-24 19:39:43,735 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-24 19:39:43,735 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-24 19:39:43,735 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-24 19:39:43,735 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-24 19:39:43,735 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-24 19:39:43,959 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-24 19:39:43,972 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-24 19:39:43,974 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-24 19:39:43,975 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-24 19:39:43,975 INFO L275 PluginConnector]: CDTParser initialized [2021-03-24 19:39:43,976 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix042_power.opt.i [2021-03-24 19:39:44,036 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/72303de6b/3196bd45e61b4a5988e2556e14a3221b/FLAGbe0b3c9fa [2021-03-24 19:39:44,453 INFO L306 CDTParser]: Found 1 translation units. [2021-03-24 19:39:44,453 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix042_power.opt.i [2021-03-24 19:39:44,464 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/72303de6b/3196bd45e61b4a5988e2556e14a3221b/FLAGbe0b3c9fa [2021-03-24 19:39:44,805 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/72303de6b/3196bd45e61b4a5988e2556e14a3221b [2021-03-24 19:39:44,807 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-24 19:39:44,808 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-24 19:39:44,809 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-24 19:39:44,809 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-24 19:39:44,814 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-24 19:39:44,814 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.03 07:39:44" (1/1) ... [2021-03-24 19:39:44,815 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25aef6b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 07:39:44, skipping insertion in model container [2021-03-24 19:39:44,815 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.03 07:39:44" (1/1) ... [2021-03-24 19:39:44,820 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-24 19:39:44,859 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-24 19:39:44,978 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/mix042_power.opt.i[950,963] [2021-03-24 19:39:45,151 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-24 19:39:45,157 INFO L203 MainTranslator]: Completed pre-run [2021-03-24 19:39:45,164 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/mix042_power.opt.i[950,963] [2021-03-24 19:39:45,186 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-24 19:39:45,236 INFO L208 MainTranslator]: Completed translation [2021-03-24 19:39:45,236 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 07:39:45 WrapperNode [2021-03-24 19:39:45,236 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-24 19:39:45,237 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-24 19:39:45,237 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-24 19:39:45,237 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-24 19:39:45,241 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 07:39:45" (1/1) ... [2021-03-24 19:39:45,252 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 07:39:45" (1/1) ... [2021-03-24 19:39:45,271 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-24 19:39:45,272 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-24 19:39:45,272 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-24 19:39:45,272 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-24 19:39:45,277 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 07:39:45" (1/1) ... [2021-03-24 19:39:45,278 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 07:39:45" (1/1) ... [2021-03-24 19:39:45,280 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 07:39:45" (1/1) ... [2021-03-24 19:39:45,280 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 07:39:45" (1/1) ... [2021-03-24 19:39:45,285 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 07:39:45" (1/1) ... [2021-03-24 19:39:45,287 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 07:39:45" (1/1) ... [2021-03-24 19:39:45,289 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 07:39:45" (1/1) ... [2021-03-24 19:39:45,292 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-24 19:39:45,292 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-24 19:39:45,297 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-24 19:39:45,297 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-24 19:39:45,308 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 07:39:45" (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 [2021-03-24 19:39:45,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-24 19:39:45,364 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-03-24 19:39:45,364 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-24 19:39:45,364 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-24 19:39:45,364 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-03-24 19:39:45,364 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-03-24 19:39:45,364 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-03-24 19:39:45,364 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-03-24 19:39:45,364 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-03-24 19:39:45,365 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-03-24 19:39:45,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-03-24 19:39:45,365 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-03-24 19:39:45,365 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-24 19:39:45,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-24 19:39:45,366 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-24 19:39:46,616 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-24 19:39:46,616 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-03-24 19:39:46,618 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.03 07:39:46 BoogieIcfgContainer [2021-03-24 19:39:46,620 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-24 19:39:46,621 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-24 19:39:46,621 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-24 19:39:46,624 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-24 19:39:46,624 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.03 07:39:44" (1/3) ... [2021-03-24 19:39:46,624 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@600c0afb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.03 07:39:46, skipping insertion in model container [2021-03-24 19:39:46,624 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 07:39:45" (2/3) ... [2021-03-24 19:39:46,625 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@600c0afb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.03 07:39:46, skipping insertion in model container [2021-03-24 19:39:46,625 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.03 07:39:46" (3/3) ... [2021-03-24 19:39:46,626 INFO L111 eAbstractionObserver]: Analyzing ICFG mix042_power.opt.i [2021-03-24 19:39:46,629 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-24 19:39:46,632 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-03-24 19:39:46,633 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-24 19:39:46,669 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:39:46,669 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:39:46,669 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:39:46,669 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:39:46,669 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:39:46,669 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:39:46,669 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:39:46,670 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:39:46,670 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:39:46,670 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:39:46,670 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:39:46,670 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:39:46,670 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:39:46,670 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:39:46,670 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:39:46,670 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:39:46,670 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:39:46,670 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:39:46,671 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:39:46,671 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:39:46,671 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:39:46,671 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:39:46,671 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:39:46,671 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:39:46,671 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:39:46,671 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:39:46,671 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:39:46,672 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:39:46,672 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:39:46,672 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:39:46,672 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:39:46,672 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:39:46,673 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:39:46,673 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:39:46,673 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:39:46,673 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:39:46,673 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:39:46,673 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:39:46,673 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:39:46,673 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:39:46,674 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:39:46,674 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:39:46,674 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:39:46,674 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:39:46,674 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:39:46,674 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:39:46,674 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:39:46,674 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:39:46,674 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:39:46,674 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:39:46,674 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:39:46,675 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:39:46,675 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:39:46,675 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:39:46,675 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:39:46,675 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:39:46,675 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:39:46,675 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:39:46,675 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:39:46,675 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:39:46,675 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:39:46,676 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:39:46,676 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:39:46,676 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:39:46,676 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:39:46,676 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:39:46,676 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:39:46,676 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:39:46,677 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:39:46,677 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:39:46,677 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:39:46,677 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:39:46,678 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:39:46,678 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:39:46,678 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:39:46,678 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:39:46,679 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:39:46,679 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:39:46,679 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:39:46,679 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:39:46,679 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:39:46,679 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:39:46,679 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:39:46,679 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:39:46,681 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:39:46,681 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:39:46,681 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:39:46,681 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:39:46,682 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:39:46,682 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:39:46,682 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:39:46,682 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:39:46,682 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:39:46,682 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:39:46,682 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:39:46,682 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:39:46,682 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:39:46,682 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:39:46,683 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-03-24 19:39:46,694 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-03-24 19:39:46,707 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-24 19:39:46,707 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-24 19:39:46,707 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-24 19:39:46,707 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-24 19:39:46,707 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-24 19:39:46,707 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-24 19:39:46,707 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-24 19:39:46,707 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-24 19:39:46,714 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 109 places, 101 transitions, 217 flow [2021-03-24 19:39:46,738 INFO L129 PetriNetUnfolder]: 2/98 cut-off events. [2021-03-24 19:39:46,738 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-24 19:39:46,741 INFO L84 FinitePrefix]: Finished finitePrefix Result has 108 conditions, 98 events. 2/98 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 72 event pairs, 0 based on Foata normal form. 0/94 useless extension candidates. Maximal degree in co-relation 62. Up to 2 conditions per place. [2021-03-24 19:39:46,741 INFO L82 GeneralOperation]: Start removeDead. Operand has 109 places, 101 transitions, 217 flow [2021-03-24 19:39:46,744 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 106 places, 98 transitions, 205 flow [2021-03-24 19:39:46,744 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-24 19:39:46,752 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 106 places, 98 transitions, 205 flow [2021-03-24 19:39:46,753 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 106 places, 98 transitions, 205 flow [2021-03-24 19:39:46,754 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 106 places, 98 transitions, 205 flow [2021-03-24 19:39:46,778 INFO L129 PetriNetUnfolder]: 2/98 cut-off events. [2021-03-24 19:39:46,778 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-24 19:39:46,780 INFO L84 FinitePrefix]: Finished finitePrefix Result has 108 conditions, 98 events. 2/98 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 69 event pairs, 0 based on Foata normal form. 0/94 useless extension candidates. Maximal degree in co-relation 62. Up to 2 conditions per place. [2021-03-24 19:39:46,782 INFO L142 LiptonReduction]: Number of co-enabled transitions 1738 [2021-03-24 19:39:47,810 WARN L205 SmtUtils]: Spent 701.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 188 [2021-03-24 19:39:48,061 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2021-03-24 19:39:49,331 WARN L205 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 312 DAG size of output: 268 [2021-03-24 19:39:49,868 WARN L205 SmtUtils]: Spent 535.00 ms on a formula simplification that was a NOOP. DAG size: 265 [2021-03-24 19:39:50,642 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2021-03-24 19:39:50,969 WARN L205 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 84 [2021-03-24 19:39:51,079 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-03-24 19:39:52,236 WARN L205 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2021-03-24 19:39:52,509 WARN L205 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2021-03-24 19:39:53,101 WARN L205 SmtUtils]: Spent 590.00 ms on a formula simplification that was a NOOP. DAG size: 267 [2021-03-24 19:39:53,670 WARN L205 SmtUtils]: Spent 567.00 ms on a formula simplification that was a NOOP. DAG size: 267 [2021-03-24 19:39:53,762 INFO L154 LiptonReduction]: Checked pairs total: 2986 [2021-03-24 19:39:53,762 INFO L156 LiptonReduction]: Total number of compositions: 67 [2021-03-24 19:39:53,766 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 7022 [2021-03-24 19:39:53,776 INFO L129 PetriNetUnfolder]: 0/21 cut-off events. [2021-03-24 19:39:53,776 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-24 19:39:53,776 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 19:39:53,776 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 19:39:53,777 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 19:39:53,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 19:39:53,780 INFO L82 PathProgramCache]: Analyzing trace with hash 684331068, now seen corresponding path program 1 times [2021-03-24 19:39:53,785 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 19:39:53,786 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1714915319] [2021-03-24 19:39:53,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 19:39:53,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 19:39:53,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:39:53,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 19:39:53,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:39:53,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 19:39:53,983 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 19:39:53,983 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1714915319] [2021-03-24 19:39:53,984 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 19:39:53,984 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-24 19:39:53,984 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [967816367] [2021-03-24 19:39:53,990 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-24 19:39:53,990 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 19:39:53,997 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-24 19:39:53,999 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-24 19:39:54,000 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 147 out of 168 [2021-03-24 19:39:54,005 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 39 transitions, 87 flow. Second operand has 3 states, 3 states have (on average 147.66666666666666) internal successors, (443), 3 states have internal predecessors, (443), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:39:54,005 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 19:39:54,005 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 147 of 168 [2021-03-24 19:39:54,006 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 19:39:54,055 INFO L129 PetriNetUnfolder]: 23/100 cut-off events. [2021-03-24 19:39:54,055 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-24 19:39:54,055 INFO L84 FinitePrefix]: Finished finitePrefix Result has 158 conditions, 100 events. 23/100 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 325 event pairs, 9 based on Foata normal form. 5/98 useless extension candidates. Maximal degree in co-relation 139. Up to 37 conditions per place. [2021-03-24 19:39:54,056 INFO L132 encePairwiseOnDemand]: 164/168 looper letters, 7 selfloop transitions, 2 changer transitions 5/40 dead transitions. [2021-03-24 19:39:54,056 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 40 transitions, 111 flow [2021-03-24 19:39:54,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-24 19:39:54,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-24 19:39:54,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 455 transitions. [2021-03-24 19:39:54,065 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.9027777777777778 [2021-03-24 19:39:54,066 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 455 transitions. [2021-03-24 19:39:54,066 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 455 transitions. [2021-03-24 19:39:54,067 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 19:39:54,068 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 455 transitions. [2021-03-24 19:39:54,071 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 151.66666666666666) internal successors, (455), 3 states have internal predecessors, (455), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:39:54,075 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 168.0) internal successors, (672), 4 states have internal predecessors, (672), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:39:54,075 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 168.0) internal successors, (672), 4 states have internal predecessors, (672), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:39:54,076 INFO L185 Difference]: Start difference. First operand has 48 places, 39 transitions, 87 flow. Second operand 3 states and 455 transitions. [2021-03-24 19:39:54,077 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 40 transitions, 111 flow [2021-03-24 19:39:54,078 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 40 transitions, 108 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-03-24 19:39:54,079 INFO L241 Difference]: Finished difference. Result has 45 places, 32 transitions, 74 flow [2021-03-24 19:39:54,080 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=168, PETRI_DIFFERENCE_MINUEND_FLOW=78, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=74, PETRI_PLACES=45, PETRI_TRANSITIONS=32} [2021-03-24 19:39:54,080 INFO L343 CegarLoopForPetriNet]: 48 programPoint places, -3 predicate places. [2021-03-24 19:39:54,080 INFO L480 AbstractCegarLoop]: Abstraction has has 45 places, 32 transitions, 74 flow [2021-03-24 19:39:54,081 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 147.66666666666666) internal successors, (443), 3 states have internal predecessors, (443), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:39:54,081 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 19:39:54,081 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 19:39:54,081 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-24 19:39:54,081 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 19:39:54,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 19:39:54,082 INFO L82 PathProgramCache]: Analyzing trace with hash -1683336467, now seen corresponding path program 1 times [2021-03-24 19:39:54,082 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 19:39:54,082 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1906031527] [2021-03-24 19:39:54,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 19:39:54,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 19:39:54,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:39:54,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 19:39:54,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:39:54,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 19:39:54,178 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-03-24 19:39:54,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 19:39:54,182 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 19:39:54,182 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1906031527] [2021-03-24 19:39:54,182 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 19:39:54,182 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-24 19:39:54,182 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1170799986] [2021-03-24 19:39:54,183 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-24 19:39:54,183 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 19:39:54,183 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-24 19:39:54,183 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-24 19:39:54,184 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 149 out of 168 [2021-03-24 19:39:54,185 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 32 transitions, 74 flow. Second operand has 4 states, 4 states have (on average 149.75) internal successors, (599), 4 states have internal predecessors, (599), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:39:54,185 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 19:39:54,185 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 149 of 168 [2021-03-24 19:39:54,185 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 19:39:54,204 INFO L129 PetriNetUnfolder]: 0/37 cut-off events. [2021-03-24 19:39:54,204 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-24 19:39:54,205 INFO L84 FinitePrefix]: Finished finitePrefix Result has 54 conditions, 37 events. 0/37 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 35 event pairs, 0 based on Foata normal form. 2/39 useless extension candidates. Maximal degree in co-relation 0. Up to 4 conditions per place. [2021-03-24 19:39:54,205 INFO L132 encePairwiseOnDemand]: 164/168 looper letters, 2 selfloop transitions, 2 changer transitions 2/34 dead transitions. [2021-03-24 19:39:54,205 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 45 places, 34 transitions, 90 flow [2021-03-24 19:39:54,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-24 19:39:54,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-24 19:39:54,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 753 transitions. [2021-03-24 19:39:54,207 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8964285714285715 [2021-03-24 19:39:54,207 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 753 transitions. [2021-03-24 19:39:54,207 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 753 transitions. [2021-03-24 19:39:54,208 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 19:39:54,208 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 753 transitions. [2021-03-24 19:39:54,209 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 150.6) internal successors, (753), 5 states have internal predecessors, (753), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:39:54,211 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 168.0) internal successors, (1008), 6 states have internal predecessors, (1008), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:39:54,211 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 168.0) internal successors, (1008), 6 states have internal predecessors, (1008), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:39:54,212 INFO L185 Difference]: Start difference. First operand has 45 places, 32 transitions, 74 flow. Second operand 5 states and 753 transitions. [2021-03-24 19:39:54,212 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 45 places, 34 transitions, 90 flow [2021-03-24 19:39:54,212 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 43 places, 34 transitions, 86 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-24 19:39:54,212 INFO L241 Difference]: Finished difference. Result has 46 places, 32 transitions, 82 flow [2021-03-24 19:39:54,213 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=168, PETRI_DIFFERENCE_MINUEND_FLOW=70, PETRI_DIFFERENCE_MINUEND_PLACES=39, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=32, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=82, PETRI_PLACES=46, PETRI_TRANSITIONS=32} [2021-03-24 19:39:54,213 INFO L343 CegarLoopForPetriNet]: 48 programPoint places, -2 predicate places. [2021-03-24 19:39:54,213 INFO L480 AbstractCegarLoop]: Abstraction has has 46 places, 32 transitions, 82 flow [2021-03-24 19:39:54,213 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 149.75) internal successors, (599), 4 states have internal predecessors, (599), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:39:54,213 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 19:39:54,213 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] [2021-03-24 19:39:54,213 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-24 19:39:54,214 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 19:39:54,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 19:39:54,214 INFO L82 PathProgramCache]: Analyzing trace with hash 593688495, now seen corresponding path program 1 times [2021-03-24 19:39:54,214 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 19:39:54,214 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1588481666] [2021-03-24 19:39:54,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 19:39:54,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 19:39:54,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:39:54,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 19:39:54,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:39:54,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 19:39:54,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:39:54,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 19:39:54,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:39:54,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 19:39:54,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:39:54,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 19:39:54,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:39:54,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 19:39:54,368 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-03-24 19:39:54,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 19:39:54,372 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 19:39:54,372 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1588481666] [2021-03-24 19:39:54,373 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 19:39:54,373 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-24 19:39:54,373 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [621461618] [2021-03-24 19:39:54,373 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-24 19:39:54,373 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 19:39:54,374 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-24 19:39:54,374 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2021-03-24 19:39:54,376 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 168 [2021-03-24 19:39:54,377 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 32 transitions, 82 flow. Second operand has 8 states, 8 states have (on average 128.125) internal successors, (1025), 8 states have internal predecessors, (1025), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:39:54,377 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 19:39:54,377 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 168 [2021-03-24 19:39:54,377 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 19:39:54,491 INFO L129 PetriNetUnfolder]: 28/104 cut-off events. [2021-03-24 19:39:54,491 INFO L130 PetriNetUnfolder]: For 29/29 co-relation queries the response was YES. [2021-03-24 19:39:54,492 INFO L84 FinitePrefix]: Finished finitePrefix Result has 209 conditions, 104 events. 28/104 cut-off events. For 29/29 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 350 event pairs, 13 based on Foata normal form. 6/109 useless extension candidates. Maximal degree in co-relation 184. Up to 50 conditions per place. [2021-03-24 19:39:54,493 INFO L132 encePairwiseOnDemand]: 158/168 looper letters, 9 selfloop transitions, 9 changer transitions 6/44 dead transitions. [2021-03-24 19:39:54,493 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 53 places, 44 transitions, 156 flow [2021-03-24 19:39:54,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-24 19:39:54,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-24 19:39:54,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1296 transitions. [2021-03-24 19:39:54,496 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7714285714285715 [2021-03-24 19:39:54,496 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1296 transitions. [2021-03-24 19:39:54,496 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1296 transitions. [2021-03-24 19:39:54,497 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 19:39:54,497 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1296 transitions. [2021-03-24 19:39:54,499 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 129.6) internal successors, (1296), 10 states have internal predecessors, (1296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:39:54,501 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 168.0) internal successors, (1848), 11 states have internal predecessors, (1848), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:39:54,502 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 168.0) internal successors, (1848), 11 states have internal predecessors, (1848), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:39:54,502 INFO L185 Difference]: Start difference. First operand has 46 places, 32 transitions, 82 flow. Second operand 10 states and 1296 transitions. [2021-03-24 19:39:54,502 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 53 places, 44 transitions, 156 flow [2021-03-24 19:39:54,502 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 44 transitions, 148 flow, removed 2 selfloop flow, removed 4 redundant places. [2021-03-24 19:39:54,503 INFO L241 Difference]: Finished difference. Result has 53 places, 36 transitions, 120 flow [2021-03-24 19:39:54,503 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=168, PETRI_DIFFERENCE_MINUEND_FLOW=74, PETRI_DIFFERENCE_MINUEND_PLACES=40, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=32, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=120, PETRI_PLACES=53, PETRI_TRANSITIONS=36} [2021-03-24 19:39:54,503 INFO L343 CegarLoopForPetriNet]: 48 programPoint places, 5 predicate places. [2021-03-24 19:39:54,503 INFO L480 AbstractCegarLoop]: Abstraction has has 53 places, 36 transitions, 120 flow [2021-03-24 19:39:54,504 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 128.125) internal successors, (1025), 8 states have internal predecessors, (1025), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:39:54,504 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 19:39:54,504 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 19:39:54,504 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-24 19:39:54,504 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 19:39:54,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 19:39:54,504 INFO L82 PathProgramCache]: Analyzing trace with hash 1654357462, now seen corresponding path program 1 times [2021-03-24 19:39:54,505 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 19:39:54,505 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [731238374] [2021-03-24 19:39:54,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 19:39:54,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 19:39:54,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:39:54,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 19:39:54,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:39:54,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 19:39:54,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:39:54,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 19:39:54,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:39:54,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 19:39:54,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:39:54,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 19:39:54,616 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-03-24 19:39:54,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 19:39:54,619 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 19:39:54,620 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [731238374] [2021-03-24 19:39:54,620 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 19:39:54,620 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-24 19:39:54,620 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1737176861] [2021-03-24 19:39:54,621 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-24 19:39:54,621 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 19:39:54,621 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-24 19:39:54,621 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-03-24 19:39:54,622 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 136 out of 168 [2021-03-24 19:39:54,623 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 53 places, 36 transitions, 120 flow. Second operand has 6 states, 6 states have (on average 137.33333333333334) internal successors, (824), 6 states have internal predecessors, (824), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:39:54,623 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 19:39:54,623 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 136 of 168 [2021-03-24 19:39:54,623 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 19:39:54,711 INFO L129 PetriNetUnfolder]: 36/121 cut-off events. [2021-03-24 19:39:54,711 INFO L130 PetriNetUnfolder]: For 79/85 co-relation queries the response was YES. [2021-03-24 19:39:54,712 INFO L84 FinitePrefix]: Finished finitePrefix Result has 304 conditions, 121 events. 36/121 cut-off events. For 79/85 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 441 event pairs, 8 based on Foata normal form. 10/129 useless extension candidates. Maximal degree in co-relation 275. Up to 60 conditions per place. [2021-03-24 19:39:54,713 INFO L132 encePairwiseOnDemand]: 160/168 looper letters, 12 selfloop transitions, 11 changer transitions 5/50 dead transitions. [2021-03-24 19:39:54,713 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 50 transitions, 234 flow [2021-03-24 19:39:54,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 19:39:54,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 19:39:54,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 978 transitions. [2021-03-24 19:39:54,715 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8316326530612245 [2021-03-24 19:39:54,715 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 978 transitions. [2021-03-24 19:39:54,715 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 978 transitions. [2021-03-24 19:39:54,716 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 19:39:54,716 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 978 transitions. [2021-03-24 19:39:54,718 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 139.71428571428572) internal successors, (978), 7 states have internal predecessors, (978), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:39:54,720 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 168.0) internal successors, (1344), 8 states have internal predecessors, (1344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:39:54,720 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 168.0) internal successors, (1344), 8 states have internal predecessors, (1344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:39:54,721 INFO L185 Difference]: Start difference. First operand has 53 places, 36 transitions, 120 flow. Second operand 7 states and 978 transitions. [2021-03-24 19:39:54,721 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 50 transitions, 234 flow [2021-03-24 19:39:54,723 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 50 transitions, 222 flow, removed 2 selfloop flow, removed 5 redundant places. [2021-03-24 19:39:54,725 INFO L241 Difference]: Finished difference. Result has 56 places, 43 transitions, 187 flow [2021-03-24 19:39:54,727 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=168, PETRI_DIFFERENCE_MINUEND_FLOW=110, PETRI_DIFFERENCE_MINUEND_PLACES=46, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=187, PETRI_PLACES=56, PETRI_TRANSITIONS=43} [2021-03-24 19:39:54,727 INFO L343 CegarLoopForPetriNet]: 48 programPoint places, 8 predicate places. [2021-03-24 19:39:54,727 INFO L480 AbstractCegarLoop]: Abstraction has has 56 places, 43 transitions, 187 flow [2021-03-24 19:39:54,727 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 137.33333333333334) internal successors, (824), 6 states have internal predecessors, (824), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:39:54,727 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 19:39:54,727 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 19:39:54,728 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-24 19:39:54,728 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 19:39:54,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 19:39:54,728 INFO L82 PathProgramCache]: Analyzing trace with hash 1389204000, now seen corresponding path program 2 times [2021-03-24 19:39:54,728 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 19:39:54,729 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [334929503] [2021-03-24 19:39:54,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 19:39:54,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 19:39:54,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:39:54,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 19:39:54,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:39:54,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 19:39:54,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:39:54,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 19:39:54,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:39:54,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 19:39:54,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:39:54,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 19:39:54,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:39:54,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 19:39:54,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:39:54,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 19:39:54,832 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-03-24 19:39:54,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 19:39:54,836 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 19:39:54,836 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [334929503] [2021-03-24 19:39:54,836 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 19:39:54,836 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-24 19:39:54,836 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [758022334] [2021-03-24 19:39:54,837 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-24 19:39:54,837 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 19:39:54,837 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-24 19:39:54,837 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-03-24 19:39:54,838 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 132 out of 168 [2021-03-24 19:39:54,839 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 43 transitions, 187 flow. Second operand has 9 states, 9 states have (on average 133.0) internal successors, (1197), 9 states have internal predecessors, (1197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:39:54,839 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 19:39:54,839 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 132 of 168 [2021-03-24 19:39:54,839 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 19:39:54,923 INFO L129 PetriNetUnfolder]: 33/111 cut-off events. [2021-03-24 19:39:54,923 INFO L130 PetriNetUnfolder]: For 185/201 co-relation queries the response was YES. [2021-03-24 19:39:54,923 INFO L84 FinitePrefix]: Finished finitePrefix Result has 380 conditions, 111 events. 33/111 cut-off events. For 185/201 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 367 event pairs, 5 based on Foata normal form. 16/126 useless extension candidates. Maximal degree in co-relation 349. Up to 43 conditions per place. [2021-03-24 19:39:54,924 INFO L132 encePairwiseOnDemand]: 159/168 looper letters, 12 selfloop transitions, 18 changer transitions 6/57 dead transitions. [2021-03-24 19:39:54,924 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 57 transitions, 341 flow [2021-03-24 19:39:54,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-24 19:39:54,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-24 19:39:54,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1215 transitions. [2021-03-24 19:39:54,926 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8035714285714286 [2021-03-24 19:39:54,926 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1215 transitions. [2021-03-24 19:39:54,926 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1215 transitions. [2021-03-24 19:39:54,927 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 19:39:54,927 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1215 transitions. [2021-03-24 19:39:54,929 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 135.0) internal successors, (1215), 9 states have internal predecessors, (1215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:39:54,930 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 168.0) internal successors, (1680), 10 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) [2021-03-24 19:39:54,930 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 168.0) internal successors, (1680), 10 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) [2021-03-24 19:39:54,931 INFO L185 Difference]: Start difference. First operand has 56 places, 43 transitions, 187 flow. Second operand 9 states and 1215 transitions. [2021-03-24 19:39:54,931 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 57 transitions, 341 flow [2021-03-24 19:39:54,935 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 57 transitions, 322 flow, removed 9 selfloop flow, removed 3 redundant places. [2021-03-24 19:39:54,935 INFO L241 Difference]: Finished difference. Result has 62 places, 47 transitions, 250 flow [2021-03-24 19:39:54,936 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=168, PETRI_DIFFERENCE_MINUEND_FLOW=172, PETRI_DIFFERENCE_MINUEND_PLACES=51, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=43, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=250, PETRI_PLACES=62, PETRI_TRANSITIONS=47} [2021-03-24 19:39:54,936 INFO L343 CegarLoopForPetriNet]: 48 programPoint places, 14 predicate places. [2021-03-24 19:39:54,936 INFO L480 AbstractCegarLoop]: Abstraction has has 62 places, 47 transitions, 250 flow [2021-03-24 19:39:54,936 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 133.0) internal successors, (1197), 9 states have internal predecessors, (1197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:39:54,936 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 19:39:54,936 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 19:39:54,936 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-03-24 19:39:54,936 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 19:39:54,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 19:39:54,937 INFO L82 PathProgramCache]: Analyzing trace with hash -1355629810, now seen corresponding path program 1 times [2021-03-24 19:39:54,937 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 19:39:54,937 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1410948040] [2021-03-24 19:39:54,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 19:39:54,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 19:39:54,987 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:39:54,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 19:39:54,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:39:54,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 19:39:54,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:39:54,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 19:39:54,996 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-03-24 19:39:54,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 19:39:55,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:39:55,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 19:39:55,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 19:39:55,002 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1410948040] [2021-03-24 19:39:55,003 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 19:39:55,003 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-24 19:39:55,003 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1556729248] [2021-03-24 19:39:55,003 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-24 19:39:55,003 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 19:39:55,003 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-24 19:39:55,003 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-03-24 19:39:55,004 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 140 out of 168 [2021-03-24 19:39:55,005 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 47 transitions, 250 flow. Second operand has 5 states, 5 states have (on average 140.8) internal successors, (704), 5 states have internal predecessors, (704), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:39:55,005 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 19:39:55,005 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 140 of 168 [2021-03-24 19:39:55,005 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 19:39:55,074 INFO L129 PetriNetUnfolder]: 106/265 cut-off events. [2021-03-24 19:39:55,074 INFO L130 PetriNetUnfolder]: For 352/387 co-relation queries the response was YES. [2021-03-24 19:39:55,075 INFO L84 FinitePrefix]: Finished finitePrefix Result has 777 conditions, 265 events. 106/265 cut-off events. For 352/387 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 1384 event pairs, 36 based on Foata normal form. 39/285 useless extension candidates. Maximal degree in co-relation 745. Up to 106 conditions per place. [2021-03-24 19:39:55,077 INFO L132 encePairwiseOnDemand]: 161/168 looper letters, 11 selfloop transitions, 11 changer transitions 4/65 dead transitions. [2021-03-24 19:39:55,078 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 66 places, 65 transitions, 338 flow [2021-03-24 19:39:55,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 19:39:55,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 19:39:55,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1007 transitions. [2021-03-24 19:39:55,080 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8562925170068028 [2021-03-24 19:39:55,080 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1007 transitions. [2021-03-24 19:39:55,080 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1007 transitions. [2021-03-24 19:39:55,080 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 19:39:55,080 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1007 transitions. [2021-03-24 19:39:55,082 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 143.85714285714286) internal successors, (1007), 7 states have internal predecessors, (1007), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:39:55,083 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 168.0) internal successors, (1344), 8 states have internal predecessors, (1344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:39:55,083 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 168.0) internal successors, (1344), 8 states have internal predecessors, (1344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:39:55,083 INFO L185 Difference]: Start difference. First operand has 62 places, 47 transitions, 250 flow. Second operand 7 states and 1007 transitions. [2021-03-24 19:39:55,083 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 66 places, 65 transitions, 338 flow [2021-03-24 19:39:55,085 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 61 places, 65 transitions, 320 flow, removed 6 selfloop flow, removed 5 redundant places. [2021-03-24 19:39:55,086 INFO L241 Difference]: Finished difference. Result has 65 places, 57 transitions, 319 flow [2021-03-24 19:39:55,086 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=168, PETRI_DIFFERENCE_MINUEND_FLOW=232, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=47, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=319, PETRI_PLACES=65, PETRI_TRANSITIONS=57} [2021-03-24 19:39:55,086 INFO L343 CegarLoopForPetriNet]: 48 programPoint places, 17 predicate places. [2021-03-24 19:39:55,087 INFO L480 AbstractCegarLoop]: Abstraction has has 65 places, 57 transitions, 319 flow [2021-03-24 19:39:55,087 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 140.8) internal successors, (704), 5 states have internal predecessors, (704), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:39:55,087 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 19:39:55,087 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] [2021-03-24 19:39:55,087 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-03-24 19:39:55,087 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 19:39:55,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 19:39:55,092 INFO L82 PathProgramCache]: Analyzing trace with hash 856858438, now seen corresponding path program 1 times [2021-03-24 19:39:55,093 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 19:39:55,093 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2031847588] [2021-03-24 19:39:55,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 19:39:55,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 19:39:55,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:39:55,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 19:39:55,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:39:55,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 19:39:55,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:39:55,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 19:39:55,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:39:55,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 19:39:55,163 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-03-24 19:39:55,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 19:39:55,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:39:55,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 19:39:55,169 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 19:39:55,169 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2031847588] [2021-03-24 19:39:55,169 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 19:39:55,169 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-24 19:39:55,170 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1110808548] [2021-03-24 19:39:55,170 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-24 19:39:55,170 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 19:39:55,170 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-24 19:39:55,170 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-03-24 19:39:55,171 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 140 out of 168 [2021-03-24 19:39:55,172 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 65 places, 57 transitions, 319 flow. Second operand has 6 states, 6 states have (on average 140.83333333333334) internal successors, (845), 6 states have internal predecessors, (845), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:39:55,172 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 19:39:55,172 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 140 of 168 [2021-03-24 19:39:55,172 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 19:39:55,271 INFO L129 PetriNetUnfolder]: 67/193 cut-off events. [2021-03-24 19:39:55,271 INFO L130 PetriNetUnfolder]: For 560/838 co-relation queries the response was YES. [2021-03-24 19:39:55,272 INFO L84 FinitePrefix]: Finished finitePrefix Result has 769 conditions, 193 events. 67/193 cut-off events. For 560/838 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 873 event pairs, 6 based on Foata normal form. 95/279 useless extension candidates. Maximal degree in co-relation 736. Up to 88 conditions per place. [2021-03-24 19:39:55,274 INFO L132 encePairwiseOnDemand]: 161/168 looper letters, 7 selfloop transitions, 22 changer transitions 8/73 dead transitions. [2021-03-24 19:39:55,274 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 74 places, 73 transitions, 508 flow [2021-03-24 19:39:55,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-24 19:39:55,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-24 19:39:55,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1436 transitions. [2021-03-24 19:39:55,276 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8547619047619047 [2021-03-24 19:39:55,277 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1436 transitions. [2021-03-24 19:39:55,277 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1436 transitions. [2021-03-24 19:39:55,277 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 19:39:55,277 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1436 transitions. [2021-03-24 19:39:55,279 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 143.6) internal successors, (1436), 10 states have internal predecessors, (1436), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:39:55,281 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 168.0) internal successors, (1848), 11 states have internal predecessors, (1848), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:39:55,282 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 168.0) internal successors, (1848), 11 states have internal predecessors, (1848), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:39:55,282 INFO L185 Difference]: Start difference. First operand has 65 places, 57 transitions, 319 flow. Second operand 10 states and 1436 transitions. [2021-03-24 19:39:55,282 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 74 places, 73 transitions, 508 flow [2021-03-24 19:39:55,284 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 74 places, 73 transitions, 508 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-03-24 19:39:55,286 INFO L241 Difference]: Finished difference. Result has 78 places, 65 transitions, 460 flow [2021-03-24 19:39:55,286 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=168, PETRI_DIFFERENCE_MINUEND_FLOW=297, PETRI_DIFFERENCE_MINUEND_PLACES=65, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=54, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=460, PETRI_PLACES=78, PETRI_TRANSITIONS=65} [2021-03-24 19:39:55,286 INFO L343 CegarLoopForPetriNet]: 48 programPoint places, 30 predicate places. [2021-03-24 19:39:55,286 INFO L480 AbstractCegarLoop]: Abstraction has has 78 places, 65 transitions, 460 flow [2021-03-24 19:39:55,287 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 140.83333333333334) internal successors, (845), 6 states have internal predecessors, (845), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:39:55,287 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 19:39:55,287 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 19:39:55,287 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-03-24 19:39:55,287 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 19:39:55,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 19:39:55,288 INFO L82 PathProgramCache]: Analyzing trace with hash -1792245663, now seen corresponding path program 1 times [2021-03-24 19:39:55,288 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 19:39:55,288 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1641736774] [2021-03-24 19:39:55,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 19:39:55,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 19:39:55,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:39:55,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 19:39:55,337 INFO L142 QuantifierPusher]: treesize reduction 4, result has 83.3 percent of original size [2021-03-24 19:39:55,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 19:39:55,347 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.2 percent of original size [2021-03-24 19:39:55,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 19:39:55,359 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.2 percent of original size [2021-03-24 19:39:55,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 19:39:55,373 INFO L142 QuantifierPusher]: treesize reduction 10, result has 56.5 percent of original size [2021-03-24 19:39:55,373 INFO L147 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size 9 [2021-03-24 19:39:55,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:39:55,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 19:39:55,388 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-03-24 19:39:55,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 19:39:55,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 19:39:55,393 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1641736774] [2021-03-24 19:39:55,394 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 19:39:55,394 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-24 19:39:55,394 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [716072969] [2021-03-24 19:39:55,394 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-24 19:39:55,394 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 19:39:55,395 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-24 19:39:55,396 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-03-24 19:39:55,397 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 132 out of 168 [2021-03-24 19:39:55,398 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 78 places, 65 transitions, 460 flow. Second operand has 8 states, 8 states have (on average 133.25) internal successors, (1066), 8 states have internal predecessors, (1066), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:39:55,398 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 19:39:55,398 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 132 of 168 [2021-03-24 19:39:55,398 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 19:39:55,562 INFO L129 PetriNetUnfolder]: 182/550 cut-off events. [2021-03-24 19:39:55,562 INFO L130 PetriNetUnfolder]: For 2934/3487 co-relation queries the response was YES. [2021-03-24 19:39:55,564 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2528 conditions, 550 events. 182/550 cut-off events. For 2934/3487 co-relation queries the response was YES. Maximal size of possible extension queue 99. Compared 3883 event pairs, 18 based on Foata normal form. 70/597 useless extension candidates. Maximal degree in co-relation 2487. Up to 225 conditions per place. [2021-03-24 19:39:55,566 INFO L132 encePairwiseOnDemand]: 160/168 looper letters, 18 selfloop transitions, 26 changer transitions 10/98 dead transitions. [2021-03-24 19:39:55,566 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 86 places, 98 transitions, 844 flow [2021-03-24 19:39:55,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-24 19:39:55,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-24 19:39:55,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1222 transitions. [2021-03-24 19:39:55,569 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8082010582010583 [2021-03-24 19:39:55,569 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1222 transitions. [2021-03-24 19:39:55,569 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1222 transitions. [2021-03-24 19:39:55,569 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 19:39:55,569 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1222 transitions. [2021-03-24 19:39:55,571 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 135.77777777777777) internal successors, (1222), 9 states have internal predecessors, (1222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:39:55,573 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 168.0) internal successors, (1680), 10 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) [2021-03-24 19:39:55,573 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 168.0) internal successors, (1680), 10 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) [2021-03-24 19:39:55,573 INFO L185 Difference]: Start difference. First operand has 78 places, 65 transitions, 460 flow. Second operand 9 states and 1222 transitions. [2021-03-24 19:39:55,573 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 86 places, 98 transitions, 844 flow [2021-03-24 19:39:55,586 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 83 places, 98 transitions, 786 flow, removed 23 selfloop flow, removed 3 redundant places. [2021-03-24 19:39:55,587 INFO L241 Difference]: Finished difference. Result has 89 places, 86 transitions, 673 flow [2021-03-24 19:39:55,587 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=168, PETRI_DIFFERENCE_MINUEND_FLOW=402, PETRI_DIFFERENCE_MINUEND_PLACES=75, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=65, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=52, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=673, PETRI_PLACES=89, PETRI_TRANSITIONS=86} [2021-03-24 19:39:55,588 INFO L343 CegarLoopForPetriNet]: 48 programPoint places, 41 predicate places. [2021-03-24 19:39:55,588 INFO L480 AbstractCegarLoop]: Abstraction has has 89 places, 86 transitions, 673 flow [2021-03-24 19:39:55,588 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 133.25) internal successors, (1066), 8 states have internal predecessors, (1066), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:39:55,588 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 19:39:55,588 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 19:39:55,588 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-03-24 19:39:55,588 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 19:39:55,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 19:39:55,589 INFO L82 PathProgramCache]: Analyzing trace with hash -803185025, now seen corresponding path program 2 times [2021-03-24 19:39:55,589 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 19:39:55,589 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1026477856] [2021-03-24 19:39:55,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 19:39:55,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 19:39:55,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:39:55,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 19:39:55,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:39:55,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 19:39:55,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:39:55,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 19:39:55,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:39:55,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 19:39:55,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:39:55,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 19:39:55,642 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-03-24 19:39:55,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 19:39:55,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:39:55,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 19:39:55,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 19:39:55,650 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1026477856] [2021-03-24 19:39:55,650 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 19:39:55,650 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-24 19:39:55,651 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1065077341] [2021-03-24 19:39:55,651 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-24 19:39:55,651 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 19:39:55,652 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-24 19:39:55,652 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-03-24 19:39:55,653 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 140 out of 168 [2021-03-24 19:39:55,653 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 89 places, 86 transitions, 673 flow. Second operand has 7 states, 7 states have (on average 140.85714285714286) internal successors, (986), 7 states have internal predecessors, (986), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:39:55,653 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 19:39:55,653 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 140 of 168 [2021-03-24 19:39:55,653 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 19:39:55,807 INFO L129 PetriNetUnfolder]: 137/445 cut-off events. [2021-03-24 19:39:55,807 INFO L130 PetriNetUnfolder]: For 2293/2958 co-relation queries the response was YES. [2021-03-24 19:39:55,809 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1973 conditions, 445 events. 137/445 cut-off events. For 2293/2958 co-relation queries the response was YES. Maximal size of possible extension queue 81. Compared 3085 event pairs, 4 based on Foata normal form. 423/855 useless extension candidates. Maximal degree in co-relation 1943. Up to 100 conditions per place. [2021-03-24 19:39:55,810 INFO L132 encePairwiseOnDemand]: 161/168 looper letters, 3 selfloop transitions, 27 changer transitions 10/92 dead transitions. [2021-03-24 19:39:55,810 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 99 places, 92 transitions, 785 flow [2021-03-24 19:39:55,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-24 19:39:55,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-24 19:39:55,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1856 transitions. [2021-03-24 19:39:55,814 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8498168498168498 [2021-03-24 19:39:55,814 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1856 transitions. [2021-03-24 19:39:55,814 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1856 transitions. [2021-03-24 19:39:55,815 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 19:39:55,815 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1856 transitions. [2021-03-24 19:39:55,817 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 142.76923076923077) internal successors, (1856), 13 states have internal predecessors, (1856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:39:55,820 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 168.0) internal successors, (2352), 14 states have internal predecessors, (2352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:39:55,820 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 168.0) internal successors, (2352), 14 states have internal predecessors, (2352), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:39:55,820 INFO L185 Difference]: Start difference. First operand has 89 places, 86 transitions, 673 flow. Second operand 13 states and 1856 transitions. [2021-03-24 19:39:55,820 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 99 places, 92 transitions, 785 flow [2021-03-24 19:39:55,827 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 93 places, 92 transitions, 733 flow, removed 22 selfloop flow, removed 6 redundant places. [2021-03-24 19:39:55,829 INFO L241 Difference]: Finished difference. Result has 98 places, 82 transitions, 640 flow [2021-03-24 19:39:55,829 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=168, PETRI_DIFFERENCE_MINUEND_FLOW=558, PETRI_DIFFERENCE_MINUEND_PLACES=81, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=81, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=25, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=54, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=640, PETRI_PLACES=98, PETRI_TRANSITIONS=82} [2021-03-24 19:39:55,829 INFO L343 CegarLoopForPetriNet]: 48 programPoint places, 50 predicate places. [2021-03-24 19:39:55,829 INFO L480 AbstractCegarLoop]: Abstraction has has 98 places, 82 transitions, 640 flow [2021-03-24 19:39:55,830 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 140.85714285714286) internal successors, (986), 7 states have internal predecessors, (986), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:39:55,830 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 19:39:55,830 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 19:39:55,830 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-03-24 19:39:55,830 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 19:39:55,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 19:39:55,830 INFO L82 PathProgramCache]: Analyzing trace with hash -176682630, now seen corresponding path program 1 times [2021-03-24 19:39:55,830 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 19:39:55,830 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1833488724] [2021-03-24 19:39:55,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 19:39:55,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 19:39:55,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:39:55,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 19:39:55,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:39:55,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 19:39:55,882 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.2 percent of original size [2021-03-24 19:39:55,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 19:39:55,896 INFO L142 QuantifierPusher]: treesize reduction 10, result has 56.5 percent of original size [2021-03-24 19:39:55,898 INFO L147 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size 9 [2021-03-24 19:39:55,907 INFO L142 QuantifierPusher]: treesize reduction 10, result has 56.5 percent of original size [2021-03-24 19:39:55,908 INFO L147 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size 9 [2021-03-24 19:39:55,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:39:55,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 19:39:55,923 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-03-24 19:39:55,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 19:39:55,929 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 19:39:55,929 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1833488724] [2021-03-24 19:39:55,929 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 19:39:55,929 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-24 19:39:55,929 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [847073568] [2021-03-24 19:39:55,929 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-24 19:39:55,929 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 19:39:55,930 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-24 19:39:55,930 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-03-24 19:39:55,931 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 168 [2021-03-24 19:39:55,932 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 98 places, 82 transitions, 640 flow. Second operand has 8 states, 8 states have (on average 131.5) internal successors, (1052), 8 states have internal predecessors, (1052), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:39:55,932 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 19:39:55,932 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 168 [2021-03-24 19:39:55,932 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 19:39:56,164 INFO L129 PetriNetUnfolder]: 364/1148 cut-off events. [2021-03-24 19:39:56,164 INFO L130 PetriNetUnfolder]: For 4706/5044 co-relation queries the response was YES. [2021-03-24 19:39:56,169 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5250 conditions, 1148 events. 364/1148 cut-off events. For 4706/5044 co-relation queries the response was YES. Maximal size of possible extension queue 227. Compared 10285 event pairs, 9 based on Foata normal form. 71/1160 useless extension candidates. Maximal degree in co-relation 5201. Up to 240 conditions per place. [2021-03-24 19:39:56,172 INFO L132 encePairwiseOnDemand]: 161/168 looper letters, 47 selfloop transitions, 28 changer transitions 24/146 dead transitions. [2021-03-24 19:39:56,172 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 105 places, 146 transitions, 1411 flow [2021-03-24 19:39:56,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-24 19:39:56,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-24 19:39:56,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1335 transitions. [2021-03-24 19:39:56,175 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7946428571428571 [2021-03-24 19:39:56,175 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1335 transitions. [2021-03-24 19:39:56,175 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1335 transitions. [2021-03-24 19:39:56,175 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 19:39:56,175 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1335 transitions. [2021-03-24 19:39:56,177 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 133.5) internal successors, (1335), 10 states have internal predecessors, (1335), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:39:56,179 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 168.0) internal successors, (1848), 11 states have internal predecessors, (1848), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:39:56,179 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 168.0) internal successors, (1848), 11 states have internal predecessors, (1848), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:39:56,179 INFO L185 Difference]: Start difference. First operand has 98 places, 82 transitions, 640 flow. Second operand 10 states and 1335 transitions. [2021-03-24 19:39:56,179 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 105 places, 146 transitions, 1411 flow [2021-03-24 19:39:56,221 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 92 places, 146 transitions, 1246 flow, removed 33 selfloop flow, removed 13 redundant places. [2021-03-24 19:39:56,225 INFO L241 Difference]: Finished difference. Result has 99 places, 99 transitions, 811 flow [2021-03-24 19:39:56,225 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=168, PETRI_DIFFERENCE_MINUEND_FLOW=526, PETRI_DIFFERENCE_MINUEND_PLACES=83, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=82, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=61, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=811, PETRI_PLACES=99, PETRI_TRANSITIONS=99} [2021-03-24 19:39:56,225 INFO L343 CegarLoopForPetriNet]: 48 programPoint places, 51 predicate places. [2021-03-24 19:39:56,225 INFO L480 AbstractCegarLoop]: Abstraction has has 99 places, 99 transitions, 811 flow [2021-03-24 19:39:56,226 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 131.5) internal successors, (1052), 8 states have internal predecessors, (1052), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:39:56,226 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 19:39:56,226 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 19:39:56,226 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-03-24 19:39:56,226 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 19:39:56,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 19:39:56,226 INFO L82 PathProgramCache]: Analyzing trace with hash 253568016, now seen corresponding path program 2 times [2021-03-24 19:39:56,227 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 19:39:56,228 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [363384229] [2021-03-24 19:39:56,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 19:39:56,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 19:39:56,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:39:56,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 19:39:56,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:39:56,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 19:39:56,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:39:56,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 19:39:56,276 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-03-24 19:39:56,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 19:39:56,281 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 19:39:56,281 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [363384229] [2021-03-24 19:39:56,281 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 19:39:56,281 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-24 19:39:56,281 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1283770816] [2021-03-24 19:39:56,282 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-24 19:39:56,282 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 19:39:56,282 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-24 19:39:56,282 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-03-24 19:39:56,283 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 144 out of 168 [2021-03-24 19:39:56,283 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 99 places, 99 transitions, 811 flow. Second operand has 5 states, 5 states have (on average 145.0) internal successors, (725), 5 states have internal predecessors, (725), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:39:56,283 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 19:39:56,283 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 144 of 168 [2021-03-24 19:39:56,283 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 19:39:56,392 INFO L129 PetriNetUnfolder]: 401/1281 cut-off events. [2021-03-24 19:39:56,392 INFO L130 PetriNetUnfolder]: For 2588/2714 co-relation queries the response was YES. [2021-03-24 19:39:56,397 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4792 conditions, 1281 events. 401/1281 cut-off events. For 2588/2714 co-relation queries the response was YES. Maximal size of possible extension queue 278. Compared 12063 event pairs, 1 based on Foata normal form. 45/1252 useless extension candidates. Maximal degree in co-relation 4761. Up to 294 conditions per place. [2021-03-24 19:39:56,399 INFO L132 encePairwiseOnDemand]: 164/168 looper letters, 4 selfloop transitions, 2 changer transitions 38/101 dead transitions. [2021-03-24 19:39:56,399 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 101 places, 101 transitions, 839 flow [2021-03-24 19:39:56,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-24 19:39:56,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-24 19:39:56,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 728 transitions. [2021-03-24 19:39:56,400 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8666666666666667 [2021-03-24 19:39:56,400 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 728 transitions. [2021-03-24 19:39:56,401 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 728 transitions. [2021-03-24 19:39:56,401 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 19:39:56,401 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 728 transitions. [2021-03-24 19:39:56,402 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 145.6) internal successors, (728), 5 states have internal predecessors, (728), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:39:56,403 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 168.0) internal successors, (1008), 6 states have internal predecessors, (1008), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:39:56,403 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 168.0) internal successors, (1008), 6 states have internal predecessors, (1008), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:39:56,403 INFO L185 Difference]: Start difference. First operand has 99 places, 99 transitions, 811 flow. Second operand 5 states and 728 transitions. [2021-03-24 19:39:56,403 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 101 places, 101 transitions, 839 flow [2021-03-24 19:39:56,451 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 99 places, 101 transitions, 835 flow, removed 2 selfloop flow, removed 2 redundant places. [2021-03-24 19:39:56,452 INFO L241 Difference]: Finished difference. Result has 102 places, 63 transitions, 404 flow [2021-03-24 19:39:56,452 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=168, PETRI_DIFFERENCE_MINUEND_FLOW=807, PETRI_DIFFERENCE_MINUEND_PLACES=95, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=99, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=97, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=404, PETRI_PLACES=102, PETRI_TRANSITIONS=63} [2021-03-24 19:39:56,452 INFO L343 CegarLoopForPetriNet]: 48 programPoint places, 54 predicate places. [2021-03-24 19:39:56,452 INFO L480 AbstractCegarLoop]: Abstraction has has 102 places, 63 transitions, 404 flow [2021-03-24 19:39:56,453 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 145.0) internal successors, (725), 5 states have internal predecessors, (725), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:39:56,453 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 19:39:56,453 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 19:39:56,453 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-03-24 19:39:56,453 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 19:39:56,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 19:39:56,453 INFO L82 PathProgramCache]: Analyzing trace with hash -312904130, now seen corresponding path program 3 times [2021-03-24 19:39:56,454 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 19:39:56,454 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [230748815] [2021-03-24 19:39:56,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 19:39:56,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 19:39:56,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:39:56,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 19:39:56,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:39:56,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 19:39:56,533 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:39:56,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 19:39:56,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:39:56,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 19:39:56,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:39:56,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 19:39:56,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:39:56,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 19:39:56,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:39:56,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 19:39:56,568 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-03-24 19:39:56,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 19:39:56,572 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 19:39:56,572 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [230748815] [2021-03-24 19:39:56,572 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 19:39:56,572 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-24 19:39:56,572 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [628234580] [2021-03-24 19:39:56,572 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-24 19:39:56,573 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 19:39:56,573 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-24 19:39:56,575 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2021-03-24 19:39:56,576 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 125 out of 168 [2021-03-24 19:39:56,585 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 102 places, 63 transitions, 404 flow. Second operand has 8 states, 8 states have (on average 126.5) internal successors, (1012), 8 states have internal predecessors, (1012), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:39:56,585 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 19:39:56,585 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 125 of 168 [2021-03-24 19:39:56,585 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 19:39:56,673 INFO L129 PetriNetUnfolder]: 87/347 cut-off events. [2021-03-24 19:39:56,673 INFO L130 PetriNetUnfolder]: For 795/831 co-relation queries the response was YES. [2021-03-24 19:39:56,674 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1302 conditions, 347 events. 87/347 cut-off events. For 795/831 co-relation queries the response was YES. Maximal size of possible extension queue 63. Compared 2287 event pairs, 0 based on Foata normal form. 17/347 useless extension candidates. Maximal degree in co-relation 1270. Up to 79 conditions per place. [2021-03-24 19:39:56,675 INFO L132 encePairwiseOnDemand]: 160/168 looper letters, 8 selfloop transitions, 7 changer transitions 7/65 dead transitions. [2021-03-24 19:39:56,675 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 98 places, 65 transitions, 466 flow [2021-03-24 19:39:56,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-24 19:39:56,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-24 19:39:56,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1018 transitions. [2021-03-24 19:39:56,677 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7574404761904762 [2021-03-24 19:39:56,677 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1018 transitions. [2021-03-24 19:39:56,677 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1018 transitions. [2021-03-24 19:39:56,677 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 19:39:56,677 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1018 transitions. [2021-03-24 19:39:56,679 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 127.25) internal successors, (1018), 8 states have internal predecessors, (1018), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:39:56,680 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 168.0) internal successors, (1512), 9 states have internal predecessors, (1512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:39:56,681 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 168.0) internal successors, (1512), 9 states have internal predecessors, (1512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:39:56,681 INFO L185 Difference]: Start difference. First operand has 102 places, 63 transitions, 404 flow. Second operand 8 states and 1018 transitions. [2021-03-24 19:39:56,681 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 98 places, 65 transitions, 466 flow [2021-03-24 19:39:56,686 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 86 places, 65 transitions, 417 flow, removed 14 selfloop flow, removed 12 redundant places. [2021-03-24 19:39:56,687 INFO L241 Difference]: Finished difference. Result has 88 places, 58 transitions, 344 flow [2021-03-24 19:39:56,687 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=168, PETRI_DIFFERENCE_MINUEND_FLOW=359, PETRI_DIFFERENCE_MINUEND_PLACES=79, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=63, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=56, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=344, PETRI_PLACES=88, PETRI_TRANSITIONS=58} [2021-03-24 19:39:56,687 INFO L343 CegarLoopForPetriNet]: 48 programPoint places, 40 predicate places. [2021-03-24 19:39:56,687 INFO L480 AbstractCegarLoop]: Abstraction has has 88 places, 58 transitions, 344 flow [2021-03-24 19:39:56,688 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 126.5) internal successors, (1012), 8 states have internal predecessors, (1012), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:39:56,688 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 19:39:56,688 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 19:39:56,688 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-03-24 19:39:56,688 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 19:39:56,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 19:39:56,688 INFO L82 PathProgramCache]: Analyzing trace with hash 1076988520, now seen corresponding path program 4 times [2021-03-24 19:39:56,689 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 19:39:56,689 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [879722108] [2021-03-24 19:39:56,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 19:39:56,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-24 19:39:56,720 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-24 19:39:56,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-24 19:39:56,742 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-24 19:39:56,771 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-03-24 19:39:56,771 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-03-24 19:39:56,771 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-03-24 19:39:56,841 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.03 07:39:56 BasicIcfg [2021-03-24 19:39:56,841 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-24 19:39:56,841 INFO L168 Benchmark]: Toolchain (without parser) took 12033.25 ms. Allocated memory was 255.9 MB in the beginning and 545.3 MB in the end (delta: 289.4 MB). Free memory was 233.9 MB in the beginning and 431.5 MB in the end (delta: -197.5 MB). Peak memory consumption was 92.2 MB. Max. memory is 16.0 GB. [2021-03-24 19:39:56,842 INFO L168 Benchmark]: CDTParser took 0.09 ms. Allocated memory is still 255.9 MB. Free memory is still 237.4 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-03-24 19:39:56,842 INFO L168 Benchmark]: CACSL2BoogieTranslator took 427.30 ms. Allocated memory was 255.9 MB in the beginning and 358.6 MB in the end (delta: 102.8 MB). Free memory was 233.9 MB in the beginning and 317.9 MB in the end (delta: -84.0 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.0 GB. [2021-03-24 19:39:56,842 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.66 ms. Allocated memory is still 358.6 MB. Free memory was 317.9 MB in the beginning and 314.9 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-24 19:39:56,842 INFO L168 Benchmark]: Boogie Preprocessor took 19.68 ms. Allocated memory is still 358.6 MB. Free memory was 314.9 MB in the beginning and 312.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-24 19:39:56,842 INFO L168 Benchmark]: RCFGBuilder took 1328.32 ms. Allocated memory is still 358.6 MB. Free memory was 312.8 MB in the beginning and 330.2 MB in the end (delta: -17.4 MB). Peak memory consumption was 72.0 MB. Max. memory is 16.0 GB. [2021-03-24 19:39:56,842 INFO L168 Benchmark]: TraceAbstraction took 10219.74 ms. Allocated memory was 358.6 MB in the beginning and 545.3 MB in the end (delta: 186.6 MB). Free memory was 330.2 MB in the beginning and 431.5 MB in the end (delta: -101.2 MB). Peak memory consumption was 86.4 MB. Max. memory is 16.0 GB. [2021-03-24 19:39:56,843 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09 ms. Allocated memory is still 255.9 MB. Free memory is still 237.4 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 427.30 ms. Allocated memory was 255.9 MB in the beginning and 358.6 MB in the end (delta: 102.8 MB). Free memory was 233.9 MB in the beginning and 317.9 MB in the end (delta: -84.0 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 34.66 ms. Allocated memory is still 358.6 MB. Free memory was 317.9 MB in the beginning and 314.9 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 19.68 ms. Allocated memory is still 358.6 MB. Free memory was 314.9 MB in the beginning and 312.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 1328.32 ms. Allocated memory is still 358.6 MB. Free memory was 312.8 MB in the beginning and 330.2 MB in the end (delta: -17.4 MB). Peak memory consumption was 72.0 MB. Max. memory is 16.0 GB. * TraceAbstraction took 10219.74 ms. Allocated memory was 358.6 MB in the beginning and 545.3 MB in the end (delta: 186.6 MB). Free memory was 330.2 MB in the beginning and 431.5 MB in the end (delta: -101.2 MB). Peak memory consumption was 86.4 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 7009.1ms, 106 PlacesBefore, 48 PlacesAfterwards, 98 TransitionsBefore, 39 TransitionsAfterwards, 1738 CoEnabledTransitionPairs, 5 FixpointIterations, 29 TrivialSequentialCompositions, 33 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 4 ConcurrentYvCompositions, 1 ChoiceCompositions, 67 TotalNumberOfCompositions, 2986 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1504, positive: 1420, positive conditional: 0, positive unconditional: 1420, negative: 84, negative conditional: 0, negative unconditional: 84, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1101, positive: 1059, positive conditional: 0, positive unconditional: 1059, negative: 42, negative conditional: 0, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1101, positive: 1059, positive conditional: 0, positive unconditional: 1059, negative: 42, negative conditional: 0, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1101, positive: 1054, positive conditional: 0, positive unconditional: 1054, negative: 47, negative conditional: 0, negative unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 47, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 42, negative conditional: 0, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 562, positive: 11, positive conditional: 0, positive unconditional: 11, negative: 551, negative conditional: 0, negative unconditional: 551, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1504, positive: 361, positive conditional: 0, positive unconditional: 361, negative: 42, negative conditional: 0, negative unconditional: 42, unknown: 1101, unknown conditional: 0, unknown unconditional: 1101] , Statistics on independence cache: Total cache size (in pairs): 147, Positive cache size: 122, Positive conditional cache size: 0, Positive unconditional cache size: 122, Negative cache size: 25, Negative conditional cache size: 0, Negative unconditional cache size: 25 - CounterExampleResult [Line: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L709] 0 int __unbuffered_cnt = 0; [L711] 0 int __unbuffered_p0_EAX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0] [L713] 0 int __unbuffered_p2_EAX = 0; [L715] 0 int __unbuffered_p2_EBX = 0; [L717] 0 int a = 0; [L718] 0 _Bool main$tmp_guard0; [L719] 0 _Bool main$tmp_guard1; [L721] 0 int x = 0; [L723] 0 int y = 0; [L724] 0 _Bool y$flush_delayed; [L725] 0 int y$mem_tmp; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0] [L726] 0 _Bool y$r_buff0_thd0; [L727] 0 _Bool y$r_buff0_thd1; [L728] 0 _Bool y$r_buff0_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0] [L729] 0 _Bool y$r_buff0_thd3; [L730] 0 _Bool y$r_buff1_thd0; [L731] 0 _Bool y$r_buff1_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0] [L732] 0 _Bool y$r_buff1_thd2; [L733] 0 _Bool y$r_buff1_thd3; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0] [L734] 0 _Bool y$read_delayed; [L735] 0 int *y$read_delayed_var; [L736] 0 int y$w_buff0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0] [L737] 0 _Bool y$w_buff0_used; [L738] 0 int y$w_buff1; [L739] 0 _Bool y$w_buff1_used; [L741] 0 int z = 0; [L742] 0 _Bool weak$$choice0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L743] 0 _Bool weak$$choice2; [L825] 0 pthread_t t1108; [L826] FCALL, FORK 0 pthread_create(&t1108, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L827] 0 pthread_t t1109; [L828] FCALL, FORK 0 pthread_create(&t1109, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L829] 0 pthread_t t1110; [L830] FCALL, FORK 0 pthread_create(&t1110, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L782] 3 y$w_buff1 = y$w_buff0 [L783] 3 y$w_buff0 = 2 [L784] 3 y$w_buff1_used = y$w_buff0_used [L785] 3 y$w_buff0_used = (_Bool)1 [L18] COND FALSE 3 !(!expression) [L787] 3 y$r_buff1_thd0 = y$r_buff0_thd0 [L788] 3 y$r_buff1_thd1 = y$r_buff0_thd1 [L789] 3 y$r_buff1_thd2 = y$r_buff0_thd2 [L790] 3 y$r_buff1_thd3 = y$r_buff0_thd3 [L791] 3 y$r_buff0_thd3 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=0] [L794] 3 z = 1 [L797] 3 __unbuffered_p2_EAX = z VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L800] 3 __unbuffered_p2_EBX = a VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L747] 1 a = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L750] 1 __unbuffered_p0_EAX = x VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L762] 2 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L765] 2 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L768] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L768] EXPR 2 y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y [L768] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L768] 2 y = y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L769] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L769] 2 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L770] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L770] 2 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L771] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L771] 2 y$r_buff0_thd2 = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L772] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 [L772] 2 y$r_buff1_thd2 = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 [L803] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L803] 3 y = y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L804] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used [L804] 3 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used [L805] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$w_buff1_used [L805] 3 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$w_buff1_used [L806] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3 [L806] 3 y$r_buff0_thd3 = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3 [L807] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$r_buff1_thd3 [L807] 3 y$r_buff1_thd3 = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$r_buff1_thd3 [L755] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L757] 1 return 0; [L775] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L777] 2 return 0; [L810] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L812] 3 return 0; [L832] 0 main$tmp_guard0 = __unbuffered_cnt == 3 [L3] COND FALSE 0 !(!cond) [L836] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L836] EXPR 0 y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y [L836] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L836] 0 y = y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L837] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L837] 0 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L838] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L838] 0 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L839] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L839] 0 y$r_buff0_thd0 = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L840] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L840] 0 y$r_buff1_thd0 = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L843] 0 weak$$choice0 = __VERIFIER_nondet_bool() [L844] 0 weak$$choice2 = __VERIFIER_nondet_bool() [L845] 0 y$flush_delayed = weak$$choice2 [L846] 0 y$mem_tmp = y [L847] EXPR 0 !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff1) [L847] 0 y = !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff1) [L848] EXPR 0 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff0)) [L848] EXPR 0 !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff0) [L848] EXPR 0 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff0)) [L848] 0 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff0)) [L849] EXPR 0 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff1 : y$w_buff1)) [L849] EXPR 0 !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff1 : y$w_buff1) [L849] EXPR 0 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff1 : y$w_buff1)) [L849] 0 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff1 : y$w_buff1)) [L850] EXPR 0 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used)) [L850] EXPR 0 !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used) [L850] EXPR 0 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used)) [L850] 0 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used)) [L851] EXPR 0 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L851] EXPR 0 !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0) [L851] EXPR 0 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L851] 0 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L852] EXPR 0 weak$$choice2 ? y$r_buff0_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff0_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0)) [L852] EXPR 0 !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff0_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0) [L852] EXPR 0 weak$$choice2 ? y$r_buff0_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff0_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0)) [L852] 0 y$r_buff0_thd0 = weak$$choice2 ? y$r_buff0_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff0_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0)) [L853] EXPR 0 weak$$choice2 ? y$r_buff1_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff1_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L853] EXPR 0 !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff1_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0) [L853] EXPR 0 weak$$choice2 ? y$r_buff1_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff1_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L853] 0 y$r_buff1_thd0 = weak$$choice2 ? y$r_buff1_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff1_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L854] 0 main$tmp_guard1 = !(y == 2 && __unbuffered_p0_EAX == 0 && __unbuffered_p2_EAX == 1 && __unbuffered_p2_EBX == 0) [L855] EXPR 0 y$flush_delayed ? y$mem_tmp : y [L855] 0 y = y$flush_delayed ? y$mem_tmp : y [L856] 0 y$flush_delayed = (_Bool)0 [L18] COND TRUE 0 !expression [L18] 0 reach_error() VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=51, weak$$choice2=0, x=1, y=2, y$flush_delayed=0, y$mem_tmp=2, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 100 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 4.1ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 10067.0ms, OverallIterations: 13, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 1597.4ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 7064.3ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 78 SDtfs, 111 SDslu, 134 SDs, 0 SdLazy, 482 SolverSat, 130 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 375.8ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 106 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 89 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 95 ImplicationChecksByTransitivity, 559.7ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=811occurred in iteration=10, InterpolantAutomatonStates: 96, 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: 37.3ms SsaConstructionTime, 331.3ms SatisfiabilityAnalysisTime, 822.6ms InterpolantComputationTime, 339 NumberOfCodeBlocks, 339 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 295 ConstructedInterpolants, 0 QuantifiedInterpolants, 1422 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 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...