/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-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe021_rmo.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-7cd14b8b9f04096d8ddfd3d9cd8a4ac590fe5404-7cd14b8 [2021-03-11 02:35:07,333 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-11 02:35:07,335 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-11 02:35:07,377 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-11 02:35:07,377 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-11 02:35:07,380 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-11 02:35:07,382 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-11 02:35:07,388 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-11 02:35:07,390 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-11 02:35:07,394 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-11 02:35:07,395 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-11 02:35:07,396 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-11 02:35:07,396 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-11 02:35:07,398 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-11 02:35:07,399 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-11 02:35:07,400 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-11 02:35:07,403 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-11 02:35:07,404 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-11 02:35:07,406 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-11 02:35:07,414 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-11 02:35:07,416 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-11 02:35:07,417 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-11 02:35:07,418 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-11 02:35:07,420 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-11 02:35:07,426 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-03-11 02:35:07,426 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-03-11 02:35:07,426 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-03-11 02:35:07,428 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-03-11 02:35:07,428 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-03-11 02:35:07,429 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-03-11 02:35:07,429 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-03-11 02:35:07,430 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-03-11 02:35:07,431 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-03-11 02:35:07,432 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-03-11 02:35:07,432 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-03-11 02:35:07,433 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-03-11 02:35:07,433 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-03-11 02:35:07,433 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-03-11 02:35:07,433 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-11 02:35:07,434 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-11 02:35:07,434 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-11 02:35:07,436 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-NoLbe.epf [2021-03-11 02:35:07,472 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-11 02:35:07,472 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-11 02:35:07,476 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-11 02:35:07,476 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-11 02:35:07,476 INFO L138 SettingsManager]: * Use SBE=true [2021-03-11 02:35:07,476 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-11 02:35:07,477 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-11 02:35:07,477 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-11 02:35:07,477 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-11 02:35:07,477 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-11 02:35:07,478 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-11 02:35:07,478 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-11 02:35:07,478 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-11 02:35:07,478 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-11 02:35:07,478 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-11 02:35:07,479 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-11 02:35:07,479 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-11 02:35:07,479 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-11 02:35:07,479 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-11 02:35:07,479 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-11 02:35:07,479 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-11 02:35:07,480 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-11 02:35:07,480 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-11 02:35:07,480 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-11 02:35:07,480 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-11 02:35:07,480 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-11 02:35:07,480 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-11 02:35:07,480 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-03-11 02:35:07,481 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-11 02:35:07,481 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-11 02:35:07,768 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-11 02:35:07,789 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-11 02:35:07,791 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-11 02:35:07,792 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-11 02:35:07,793 INFO L275 PluginConnector]: CDTParser initialized [2021-03-11 02:35:07,796 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe021_rmo.oepc.i [2021-03-11 02:35:07,844 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5068985ab/ad18e012249242869256d23f45c8ca3d/FLAGb334211b1 [2021-03-11 02:35:08,393 INFO L306 CDTParser]: Found 1 translation units. [2021-03-11 02:35:08,393 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe021_rmo.oepc.i [2021-03-11 02:35:08,407 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5068985ab/ad18e012249242869256d23f45c8ca3d/FLAGb334211b1 [2021-03-11 02:35:08,832 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5068985ab/ad18e012249242869256d23f45c8ca3d [2021-03-11 02:35:08,834 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-11 02:35:08,838 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-11 02:35:08,839 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-11 02:35:08,839 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-11 02:35:08,842 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-11 02:35:08,843 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.03 02:35:08" (1/1) ... [2021-03-11 02:35:08,844 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d9b0612 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 02:35:08, skipping insertion in model container [2021-03-11 02:35:08,844 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.03 02:35:08" (1/1) ... [2021-03-11 02:35:08,849 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-11 02:35:08,879 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-11 02:35:09,005 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/safe021_rmo.oepc.i[950,963] [2021-03-11 02:35:09,202 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-11 02:35:09,213 INFO L203 MainTranslator]: Completed pre-run [2021-03-11 02:35:09,222 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/safe021_rmo.oepc.i[950,963] [2021-03-11 02:35:09,272 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-11 02:35:09,337 INFO L208 MainTranslator]: Completed translation [2021-03-11 02:35:09,337 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 02:35:09 WrapperNode [2021-03-11 02:35:09,337 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-11 02:35:09,338 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-11 02:35:09,338 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-11 02:35:09,339 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-11 02:35:09,345 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 02:35:09" (1/1) ... [2021-03-11 02:35:09,366 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 02:35:09" (1/1) ... [2021-03-11 02:35:09,392 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-11 02:35:09,393 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-11 02:35:09,393 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-11 02:35:09,393 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-11 02:35:09,400 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 02:35:09" (1/1) ... [2021-03-11 02:35:09,400 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 02:35:09" (1/1) ... [2021-03-11 02:35:09,404 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 02:35:09" (1/1) ... [2021-03-11 02:35:09,404 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 02:35:09" (1/1) ... [2021-03-11 02:35:09,413 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 02:35:09" (1/1) ... [2021-03-11 02:35:09,417 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 02:35:09" (1/1) ... [2021-03-11 02:35:09,420 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 02:35:09" (1/1) ... [2021-03-11 02:35:09,424 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-11 02:35:09,425 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-11 02:35:09,425 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-11 02:35:09,425 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-11 02:35:09,425 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 02:35:09" (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 [2021-03-11 02:35:09,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-11 02:35:09,516 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-03-11 02:35:09,516 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-11 02:35:09,516 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-11 02:35:09,516 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-03-11 02:35:09,516 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-03-11 02:35:09,517 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-03-11 02:35:09,517 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-03-11 02:35:09,517 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-03-11 02:35:09,517 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-03-11 02:35:09,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-03-11 02:35:09,517 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-03-11 02:35:09,517 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-11 02:35:09,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-11 02:35:09,518 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-11 02:35:11,079 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-11 02:35:11,080 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-03-11 02:35:11,081 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.03 02:35:11 BoogieIcfgContainer [2021-03-11 02:35:11,081 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-11 02:35:11,083 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-11 02:35:11,083 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-11 02:35:11,085 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-11 02:35:11,085 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.03 02:35:08" (1/3) ... [2021-03-11 02:35:11,086 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@262fb79b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.03 02:35:11, skipping insertion in model container [2021-03-11 02:35:11,086 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 02:35:09" (2/3) ... [2021-03-11 02:35:11,086 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@262fb79b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.03 02:35:11, skipping insertion in model container [2021-03-11 02:35:11,086 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.03 02:35:11" (3/3) ... [2021-03-11 02:35:11,091 INFO L111 eAbstractionObserver]: Analyzing ICFG safe021_rmo.oepc.i [2021-03-11 02:35:11,097 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-11 02:35:11,101 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-03-11 02:35:11,101 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-11 02:35:11,138 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,139 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,139 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,139 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,139 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,139 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,139 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,139 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,140 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,140 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,140 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,140 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,141 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,141 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,141 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,141 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,141 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,141 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,141 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,141 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,142 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,142 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,142 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,143 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,143 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,143 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,143 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,143 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,143 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,144 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,144 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,144 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,144 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,144 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,145 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,146 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,146 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,146 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,147 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,147 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,147 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,147 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,147 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,148 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,148 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,148 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,148 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,148 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,148 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,148 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,148 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,149 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,149 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,149 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,149 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,149 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,149 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,149 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,150 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,150 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,150 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,150 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,150 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,151 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,151 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,151 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,151 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,151 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,151 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,152 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,152 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,152 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,152 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,152 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,152 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,152 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,153 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,153 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,153 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,153 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,153 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,153 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,153 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,154 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,154 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,154 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,154 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,154 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,154 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,154 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,154 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,155 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,155 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,155 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,155 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,155 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,155 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,155 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,156 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,157 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,159 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,159 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,159 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,159 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,164 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,164 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,165 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,165 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,166 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,166 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,166 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,166 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,166 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,166 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,166 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,166 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,166 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,166 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,166 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,166 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,168 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,168 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,168 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,168 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,168 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,168 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,168 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,168 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,168 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,168 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,168 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,169 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,169 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,169 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,169 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,169 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,169 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,169 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,169 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,169 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,169 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,169 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,169 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,169 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,171 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,171 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,171 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,171 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,171 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,171 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,172 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,172 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,172 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,172 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,172 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,172 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,172 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,172 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,174 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,174 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,174 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,174 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,176 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,176 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,176 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,176 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,176 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,176 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,176 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,177 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,177 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,177 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,177 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,177 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,177 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,177 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,177 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,177 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,178 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,178 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,178 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,178 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,178 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,178 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,178 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,178 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,178 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,178 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,179 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,179 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,179 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,179 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,179 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,179 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,179 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,182 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,182 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,183 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,183 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,183 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,183 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,183 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,183 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,183 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,183 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,183 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,183 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,184 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,185 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,185 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,185 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,185 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,185 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,185 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,185 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,185 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,185 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 02:35:11,186 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-03-11 02:35:11,202 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-03-11 02:35:11,219 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-11 02:35:11,219 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-11 02:35:11,219 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-11 02:35:11,219 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-11 02:35:11,219 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-11 02:35:11,220 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-11 02:35:11,220 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-11 02:35:11,220 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-11 02:35:11,229 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 106 places, 98 transitions, 211 flow [2021-03-11 02:35:11,259 INFO L129 PetriNetUnfolder]: 2/95 cut-off events. [2021-03-11 02:35:11,259 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-11 02:35:11,262 INFO L84 FinitePrefix]: Finished finitePrefix Result has 105 conditions, 95 events. 2/95 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 67 event pairs, 0 based on Foata normal form. 0/91 useless extension candidates. Maximal degree in co-relation 61. Up to 2 conditions per place. [2021-03-11 02:35:11,263 INFO L82 GeneralOperation]: Start removeDead. Operand has 106 places, 98 transitions, 211 flow [2021-03-11 02:35:11,267 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 103 places, 95 transitions, 199 flow [2021-03-11 02:35:11,274 INFO L129 PetriNetUnfolder]: 0/41 cut-off events. [2021-03-11 02:35:11,274 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-11 02:35:11,274 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 02:35:11,275 INFO L255 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, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 02:35:11,275 INFO L428 AbstractCegarLoop]: === Iteration 1 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 02:35:11,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 02:35:11,279 INFO L82 PathProgramCache]: Analyzing trace with hash 1561270589, now seen corresponding path program 1 times [2021-03-11 02:35:11,286 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 02:35:11,287 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [996530130] [2021-03-11 02:35:11,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 02:35:11,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 02:35:11,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:35:11,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 02:35:11,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:35:11,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 02:35:11,493 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 02:35:11,493 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [996530130] [2021-03-11 02:35:11,494 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 02:35:11,494 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-11 02:35:11,494 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [359792059] [2021-03-11 02:35:11,501 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-11 02:35:11,501 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 02:35:11,511 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-11 02:35:11,512 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-11 02:35:11,514 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 87 out of 98 [2021-03-11 02:35:11,517 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 103 places, 95 transitions, 199 flow. Second operand has 3 states, 3 states have (on average 87.66666666666667) internal successors, (263), 3 states have internal predecessors, (263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:35:11,517 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 02:35:11,517 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 87 of 98 [2021-03-11 02:35:11,518 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 02:35:11,606 INFO L129 PetriNetUnfolder]: 49/228 cut-off events. [2021-03-11 02:35:11,607 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-11 02:35:11,608 INFO L84 FinitePrefix]: Finished finitePrefix Result has 324 conditions, 228 events. 49/228 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 924 event pairs, 9 based on Foata normal form. 23/237 useless extension candidates. Maximal degree in co-relation 278. Up to 65 conditions per place. [2021-03-11 02:35:11,610 INFO L132 encePairwiseOnDemand]: 93/98 looper letters, 9 selfloop transitions, 2 changer transitions 0/95 dead transitions. [2021-03-11 02:35:11,610 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 103 places, 95 transitions, 221 flow [2021-03-11 02:35:11,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-11 02:35:11,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-11 02:35:11,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 277 transitions. [2021-03-11 02:35:11,621 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.9421768707482994 [2021-03-11 02:35:11,621 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 277 transitions. [2021-03-11 02:35:11,622 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 277 transitions. [2021-03-11 02:35:11,623 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 02:35:11,625 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 277 transitions. [2021-03-11 02:35:11,627 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 92.33333333333333) internal successors, (277), 3 states have internal predecessors, (277), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:35:11,632 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 98.0) internal successors, (392), 4 states have internal predecessors, (392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:35:11,632 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 98.0) internal successors, (392), 4 states have internal predecessors, (392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:35:11,655 INFO L185 Difference]: Start difference. First operand has 103 places, 95 transitions, 199 flow. Second operand 3 states and 277 transitions. [2021-03-11 02:35:11,656 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 103 places, 95 transitions, 221 flow [2021-03-11 02:35:11,660 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 100 places, 95 transitions, 218 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-03-11 02:35:11,664 INFO L241 Difference]: Finished difference. Result has 100 places, 91 transitions, 192 flow [2021-03-11 02:35:11,665 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=98, PETRI_DIFFERENCE_MINUEND_FLOW=188, PETRI_DIFFERENCE_MINUEND_PLACES=98, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=91, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=89, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=192, PETRI_PLACES=100, PETRI_TRANSITIONS=91} [2021-03-11 02:35:11,666 INFO L335 CegarLoopForPetriNet]: 103 programPoint places, -3 predicate places. [2021-03-11 02:35:11,666 INFO L480 AbstractCegarLoop]: Abstraction has has 100 places, 91 transitions, 192 flow [2021-03-11 02:35:11,666 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 87.66666666666667) internal successors, (263), 3 states have internal predecessors, (263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:35:11,666 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 02:35:11,667 INFO L255 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, 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] [2021-03-11 02:35:11,667 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-11 02:35:11,667 INFO L428 AbstractCegarLoop]: === Iteration 2 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 02:35:11,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 02:35:11,668 INFO L82 PathProgramCache]: Analyzing trace with hash -802571471, now seen corresponding path program 1 times [2021-03-11 02:35:11,668 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 02:35:11,668 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [298227062] [2021-03-11 02:35:11,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 02:35:11,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 02:35:11,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:35:11,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 02:35:11,852 INFO L142 QuantifierPusher]: treesize reduction 3, result has 81.3 percent of original size [2021-03-11 02:35:11,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 02:35:11,862 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-03-11 02:35:11,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 02:35:11,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:35:11,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 02:35:11,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:35:11,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 02:35:11,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:35:11,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 02:35:11,895 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 02:35:11,895 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [298227062] [2021-03-11 02:35:11,895 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 02:35:11,895 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-11 02:35:11,895 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1826104546] [2021-03-11 02:35:11,896 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-11 02:35:11,896 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 02:35:11,897 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-11 02:35:11,897 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-03-11 02:35:11,899 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 81 out of 98 [2021-03-11 02:35:11,899 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 100 places, 91 transitions, 192 flow. Second operand has 6 states, 6 states have (on average 82.5) internal successors, (495), 6 states have internal predecessors, (495), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:35:11,900 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 02:35:11,900 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 81 of 98 [2021-03-11 02:35:11,900 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 02:35:12,165 INFO L129 PetriNetUnfolder]: 239/953 cut-off events. [2021-03-11 02:35:12,165 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-11 02:35:12,169 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1398 conditions, 953 events. 239/953 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 79. Compared 6953 event pairs, 36 based on Foata normal form. 0/920 useless extension candidates. Maximal degree in co-relation 1350. Up to 172 conditions per place. [2021-03-11 02:35:12,172 INFO L132 encePairwiseOnDemand]: 87/98 looper letters, 14 selfloop transitions, 7 changer transitions 44/133 dead transitions. [2021-03-11 02:35:12,172 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 108 places, 133 transitions, 388 flow [2021-03-11 02:35:12,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-11 02:35:12,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-11 02:35:12,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 787 transitions. [2021-03-11 02:35:12,176 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.8922902494331065 [2021-03-11 02:35:12,177 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 787 transitions. [2021-03-11 02:35:12,177 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 787 transitions. [2021-03-11 02:35:12,177 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 02:35:12,177 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 787 transitions. [2021-03-11 02:35:12,180 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 87.44444444444444) internal successors, (787), 9 states have internal predecessors, (787), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:35:12,182 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 98.0) internal successors, (980), 10 states have internal predecessors, (980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:35:12,183 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 98.0) internal successors, (980), 10 states have internal predecessors, (980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:35:12,183 INFO L185 Difference]: Start difference. First operand has 100 places, 91 transitions, 192 flow. Second operand 9 states and 787 transitions. [2021-03-11 02:35:12,183 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 108 places, 133 transitions, 388 flow [2021-03-11 02:35:12,184 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 106 places, 133 transitions, 384 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-11 02:35:12,186 INFO L241 Difference]: Finished difference. Result has 114 places, 85 transitions, 250 flow [2021-03-11 02:35:12,186 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=98, PETRI_DIFFERENCE_MINUEND_FLOW=188, PETRI_DIFFERENCE_MINUEND_PLACES=98, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=91, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=84, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=250, PETRI_PLACES=114, PETRI_TRANSITIONS=85} [2021-03-11 02:35:12,187 INFO L335 CegarLoopForPetriNet]: 103 programPoint places, 11 predicate places. [2021-03-11 02:35:12,187 INFO L480 AbstractCegarLoop]: Abstraction has has 114 places, 85 transitions, 250 flow [2021-03-11 02:35:12,188 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 82.5) internal successors, (495), 6 states have internal predecessors, (495), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:35:12,188 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 02:35:12,188 INFO L255 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, 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] [2021-03-11 02:35:12,188 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-11 02:35:12,188 INFO L428 AbstractCegarLoop]: === Iteration 3 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 02:35:12,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 02:35:12,189 INFO L82 PathProgramCache]: Analyzing trace with hash -903748656, now seen corresponding path program 1 times [2021-03-11 02:35:12,189 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 02:35:12,189 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [280992669] [2021-03-11 02:35:12,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 02:35:12,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 02:35:12,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:35:12,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 02:35:12,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:35:12,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 02:35:12,271 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-03-11 02:35:12,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 02:35:12,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:35:12,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 02:35:12,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:35:12,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 02:35:12,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:35:12,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 02:35:12,303 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 02:35:12,319 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [280992669] [2021-03-11 02:35:12,320 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 02:35:12,320 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-11 02:35:12,320 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [821986646] [2021-03-11 02:35:12,321 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-11 02:35:12,321 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 02:35:12,322 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-11 02:35:12,322 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-03-11 02:35:12,324 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 86 out of 98 [2021-03-11 02:35:12,325 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 114 places, 85 transitions, 250 flow. Second operand has 6 states, 6 states have (on average 87.16666666666667) internal successors, (523), 6 states have internal predecessors, (523), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:35:12,325 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 02:35:12,326 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 86 of 98 [2021-03-11 02:35:12,326 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 02:35:12,483 INFO L129 PetriNetUnfolder]: 60/315 cut-off events. [2021-03-11 02:35:12,483 INFO L130 PetriNetUnfolder]: For 415/465 co-relation queries the response was YES. [2021-03-11 02:35:12,485 INFO L84 FinitePrefix]: Finished finitePrefix Result has 786 conditions, 315 events. 60/315 cut-off events. For 415/465 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 1581 event pairs, 20 based on Foata normal form. 17/319 useless extension candidates. Maximal degree in co-relation 728. Up to 86 conditions per place. [2021-03-11 02:35:12,487 INFO L132 encePairwiseOnDemand]: 92/98 looper letters, 6 selfloop transitions, 3 changer transitions 13/98 dead transitions. [2021-03-11 02:35:12,487 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 106 places, 98 transitions, 374 flow [2021-03-11 02:35:12,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-11 02:35:12,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-11 02:35:12,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 794 transitions. [2021-03-11 02:35:12,490 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.9002267573696145 [2021-03-11 02:35:12,490 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 794 transitions. [2021-03-11 02:35:12,490 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 794 transitions. [2021-03-11 02:35:12,491 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 02:35:12,491 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 794 transitions. [2021-03-11 02:35:12,493 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 88.22222222222223) internal successors, (794), 9 states have internal predecessors, (794), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:35:12,494 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 98.0) internal successors, (980), 10 states have internal predecessors, (980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:35:12,495 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 98.0) internal successors, (980), 10 states have internal predecessors, (980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:35:12,495 INFO L185 Difference]: Start difference. First operand has 114 places, 85 transitions, 250 flow. Second operand 9 states and 794 transitions. [2021-03-11 02:35:12,495 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 106 places, 98 transitions, 374 flow [2021-03-11 02:35:12,500 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 104 places, 98 transitions, 332 flow, removed 11 selfloop flow, removed 2 redundant places. [2021-03-11 02:35:12,504 INFO L241 Difference]: Finished difference. Result has 111 places, 85 transitions, 251 flow [2021-03-11 02:35:12,504 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=98, PETRI_DIFFERENCE_MINUEND_FLOW=228, PETRI_DIFFERENCE_MINUEND_PLACES=96, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=85, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=82, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=251, PETRI_PLACES=111, PETRI_TRANSITIONS=85} [2021-03-11 02:35:12,504 INFO L335 CegarLoopForPetriNet]: 103 programPoint places, 8 predicate places. [2021-03-11 02:35:12,504 INFO L480 AbstractCegarLoop]: Abstraction has has 111 places, 85 transitions, 251 flow [2021-03-11 02:35:12,505 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 87.16666666666667) internal successors, (523), 6 states have internal predecessors, (523), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:35:12,505 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 02:35:12,505 INFO L255 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, 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] [2021-03-11 02:35:12,505 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-11 02:35:12,505 INFO L428 AbstractCegarLoop]: === Iteration 4 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 02:35:12,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 02:35:12,507 INFO L82 PathProgramCache]: Analyzing trace with hash -703597712, now seen corresponding path program 1 times [2021-03-11 02:35:12,507 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 02:35:12,507 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [884699666] [2021-03-11 02:35:12,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 02:35:12,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 02:35:12,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:35:12,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 02:35:12,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:35:12,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 02:35:12,626 INFO L142 QuantifierPusher]: treesize reduction 3, result has 81.3 percent of original size [2021-03-11 02:35:12,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 02:35:12,636 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-03-11 02:35:12,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 02:35:12,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:35:12,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 02:35:12,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:35:12,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 02:35:12,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:35:12,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 02:35:12,685 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 02:35:12,685 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [884699666] [2021-03-11 02:35:12,685 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 02:35:12,685 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-11 02:35:12,686 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [802907163] [2021-03-11 02:35:12,686 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-11 02:35:12,687 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 02:35:12,688 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-11 02:35:12,688 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-03-11 02:35:12,689 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 81 out of 98 [2021-03-11 02:35:12,690 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 111 places, 85 transitions, 251 flow. Second operand has 7 states, 7 states have (on average 82.42857142857143) internal successors, (577), 7 states have internal predecessors, (577), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:35:12,691 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 02:35:12,691 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 81 of 98 [2021-03-11 02:35:12,691 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 02:35:12,982 INFO L129 PetriNetUnfolder]: 94/480 cut-off events. [2021-03-11 02:35:12,982 INFO L130 PetriNetUnfolder]: For 662/839 co-relation queries the response was YES. [2021-03-11 02:35:12,984 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1168 conditions, 480 events. 94/480 cut-off events. For 662/839 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 2951 event pairs, 15 based on Foata normal form. 15/487 useless extension candidates. Maximal degree in co-relation 1103. Up to 99 conditions per place. [2021-03-11 02:35:12,986 INFO L132 encePairwiseOnDemand]: 87/98 looper letters, 15 selfloop transitions, 11 changer transitions 34/128 dead transitions. [2021-03-11 02:35:12,986 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 117 places, 128 transitions, 660 flow [2021-03-11 02:35:12,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-11 02:35:12,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-11 02:35:12,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1114 transitions. [2021-03-11 02:35:12,989 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.8744113029827315 [2021-03-11 02:35:12,989 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1114 transitions. [2021-03-11 02:35:12,989 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1114 transitions. [2021-03-11 02:35:12,990 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 02:35:12,990 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1114 transitions. [2021-03-11 02:35:12,992 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 85.6923076923077) internal successors, (1114), 13 states have internal predecessors, (1114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:35:12,994 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 98.0) internal successors, (1372), 14 states have internal predecessors, (1372), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:35:12,994 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 98.0) internal successors, (1372), 14 states have internal predecessors, (1372), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:35:12,994 INFO L185 Difference]: Start difference. First operand has 111 places, 85 transitions, 251 flow. Second operand 13 states and 1114 transitions. [2021-03-11 02:35:12,994 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 117 places, 128 transitions, 660 flow [2021-03-11 02:35:13,000 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 106 places, 128 transitions, 594 flow, removed 29 selfloop flow, removed 11 redundant places. [2021-03-11 02:35:13,001 INFO L241 Difference]: Finished difference. Result has 117 places, 89 transitions, 311 flow [2021-03-11 02:35:13,002 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=98, PETRI_DIFFERENCE_MINUEND_FLOW=223, PETRI_DIFFERENCE_MINUEND_PLACES=94, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=85, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=76, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=311, PETRI_PLACES=117, PETRI_TRANSITIONS=89} [2021-03-11 02:35:13,002 INFO L335 CegarLoopForPetriNet]: 103 programPoint places, 14 predicate places. [2021-03-11 02:35:13,002 INFO L480 AbstractCegarLoop]: Abstraction has has 117 places, 89 transitions, 311 flow [2021-03-11 02:35:13,002 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 82.42857142857143) internal successors, (577), 7 states have internal predecessors, (577), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:35:13,002 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 02:35:13,003 INFO L255 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, 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] [2021-03-11 02:35:13,003 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-11 02:35:13,003 INFO L428 AbstractCegarLoop]: === Iteration 5 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 02:35:13,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 02:35:13,004 INFO L82 PathProgramCache]: Analyzing trace with hash 849375311, now seen corresponding path program 1 times [2021-03-11 02:35:13,004 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 02:35:13,004 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [879165441] [2021-03-11 02:35:13,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 02:35:13,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 02:35:13,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:35:13,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 02:35:13,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:35:13,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 02:35:13,106 INFO L142 QuantifierPusher]: treesize reduction 3, result has 81.3 percent of original size [2021-03-11 02:35:13,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 02:35:13,117 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-03-11 02:35:13,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 02:35:13,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:35:13,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 02:35:13,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:35:13,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 02:35:13,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:35:13,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 02:35:13,156 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 02:35:13,157 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [879165441] [2021-03-11 02:35:13,157 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 02:35:13,157 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-11 02:35:13,157 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [753848164] [2021-03-11 02:35:13,158 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-11 02:35:13,158 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 02:35:13,159 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-11 02:35:13,159 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-03-11 02:35:13,160 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 79 out of 98 [2021-03-11 02:35:13,161 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 117 places, 89 transitions, 311 flow. Second operand has 7 states, 7 states have (on average 80.71428571428571) internal successors, (565), 7 states have internal predecessors, (565), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:35:13,161 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 02:35:13,161 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 79 of 98 [2021-03-11 02:35:13,161 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 02:35:13,541 INFO L129 PetriNetUnfolder]: 180/617 cut-off events. [2021-03-11 02:35:13,542 INFO L130 PetriNetUnfolder]: For 1675/2145 co-relation queries the response was YES. [2021-03-11 02:35:13,544 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1877 conditions, 617 events. 180/617 cut-off events. For 1675/2145 co-relation queries the response was YES. Maximal size of possible extension queue 58. Compared 3589 event pairs, 10 based on Foata normal form. 21/629 useless extension candidates. Maximal degree in co-relation 1806. Up to 124 conditions per place. [2021-03-11 02:35:13,548 INFO L132 encePairwiseOnDemand]: 85/98 looper letters, 30 selfloop transitions, 19 changer transitions 56/171 dead transitions. [2021-03-11 02:35:13,548 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 124 places, 171 transitions, 1207 flow [2021-03-11 02:35:13,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-11 02:35:13,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-03-11 02:35:13,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 1436 transitions. [2021-03-11 02:35:13,552 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.8619447779111644 [2021-03-11 02:35:13,552 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 1436 transitions. [2021-03-11 02:35:13,552 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 1436 transitions. [2021-03-11 02:35:13,553 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 02:35:13,553 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 1436 transitions. [2021-03-11 02:35:13,556 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 84.47058823529412) internal successors, (1436), 17 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) [2021-03-11 02:35:13,560 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 98.0) internal successors, (1764), 18 states have internal predecessors, (1764), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:35:13,560 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 98.0) internal successors, (1764), 18 states have internal predecessors, (1764), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:35:13,561 INFO L185 Difference]: Start difference. First operand has 117 places, 89 transitions, 311 flow. Second operand 17 states and 1436 transitions. [2021-03-11 02:35:13,561 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 124 places, 171 transitions, 1207 flow [2021-03-11 02:35:13,566 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 115 places, 171 transitions, 1039 flow, removed 84 selfloop flow, removed 9 redundant places. [2021-03-11 02:35:13,570 INFO L241 Difference]: Finished difference. Result has 131 places, 100 transitions, 528 flow [2021-03-11 02:35:13,570 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=98, PETRI_DIFFERENCE_MINUEND_FLOW=287, PETRI_DIFFERENCE_MINUEND_PLACES=99, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=89, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=74, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=528, PETRI_PLACES=131, PETRI_TRANSITIONS=100} [2021-03-11 02:35:13,571 INFO L335 CegarLoopForPetriNet]: 103 programPoint places, 28 predicate places. [2021-03-11 02:35:13,571 INFO L480 AbstractCegarLoop]: Abstraction has has 131 places, 100 transitions, 528 flow [2021-03-11 02:35:13,571 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 80.71428571428571) internal successors, (565), 7 states have internal predecessors, (565), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:35:13,571 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 02:35:13,571 INFO L255 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, 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] [2021-03-11 02:35:13,571 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-03-11 02:35:13,572 INFO L428 AbstractCegarLoop]: === Iteration 6 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 02:35:13,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 02:35:13,572 INFO L82 PathProgramCache]: Analyzing trace with hash 1496886479, now seen corresponding path program 2 times [2021-03-11 02:35:13,572 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 02:35:13,573 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1540648027] [2021-03-11 02:35:13,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 02:35:13,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 02:35:13,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:35:13,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 02:35:13,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:35:13,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 02:35:13,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:35:13,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 02:35:13,676 INFO L142 QuantifierPusher]: treesize reduction 3, result has 81.3 percent of original size [2021-03-11 02:35:13,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 02:35:13,683 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-03-11 02:35:13,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-11 02:35:13,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:35:13,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 02:35:13,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:35:13,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 02:35:13,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:35:13,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 02:35:13,719 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 02:35:13,719 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1540648027] [2021-03-11 02:35:13,719 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 02:35:13,719 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-11 02:35:13,719 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1012935280] [2021-03-11 02:35:13,720 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-11 02:35:13,720 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 02:35:13,720 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-11 02:35:13,720 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-03-11 02:35:13,723 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 79 out of 98 [2021-03-11 02:35:13,724 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 131 places, 100 transitions, 528 flow. Second operand has 8 states, 8 states have (on average 80.5) internal successors, (644), 8 states have internal predecessors, (644), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:35:13,724 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 02:35:13,724 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 79 of 98 [2021-03-11 02:35:13,724 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 02:35:13,949 INFO L129 PetriNetUnfolder]: 108/451 cut-off events. [2021-03-11 02:35:13,950 INFO L130 PetriNetUnfolder]: For 3501/4112 co-relation queries the response was YES. [2021-03-11 02:35:13,952 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1876 conditions, 451 events. 108/451 cut-off events. For 3501/4112 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 2398 event pairs, 10 based on Foata normal form. 17/460 useless extension candidates. Maximal degree in co-relation 1790. Up to 90 conditions per place. [2021-03-11 02:35:13,954 INFO L132 encePairwiseOnDemand]: 88/98 looper letters, 18 selfloop transitions, 8 changer transitions 52/144 dead transitions. [2021-03-11 02:35:13,954 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 129 places, 144 transitions, 1279 flow [2021-03-11 02:35:13,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-11 02:35:13,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-11 02:35:13,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 922 transitions. [2021-03-11 02:35:13,956 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.8552875695732839 [2021-03-11 02:35:13,957 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 922 transitions. [2021-03-11 02:35:13,957 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 922 transitions. [2021-03-11 02:35:13,957 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 02:35:13,957 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 922 transitions. [2021-03-11 02:35:13,959 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 83.81818181818181) internal successors, (922), 11 states have internal predecessors, (922), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:35:13,961 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 98.0) internal successors, (1176), 12 states have internal predecessors, (1176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:35:13,961 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 98.0) internal successors, (1176), 12 states have internal predecessors, (1176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:35:13,961 INFO L185 Difference]: Start difference. First operand has 131 places, 100 transitions, 528 flow. Second operand 11 states and 922 transitions. [2021-03-11 02:35:13,962 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 129 places, 144 transitions, 1279 flow [2021-03-11 02:35:13,969 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 120 places, 144 transitions, 1049 flow, removed 115 selfloop flow, removed 9 redundant places. [2021-03-11 02:35:13,971 INFO L241 Difference]: Finished difference. Result has 129 places, 88 transitions, 373 flow [2021-03-11 02:35:13,972 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=98, PETRI_DIFFERENCE_MINUEND_FLOW=474, PETRI_DIFFERENCE_MINUEND_PLACES=110, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=100, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=92, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=373, PETRI_PLACES=129, PETRI_TRANSITIONS=88} [2021-03-11 02:35:13,972 INFO L335 CegarLoopForPetriNet]: 103 programPoint places, 26 predicate places. [2021-03-11 02:35:13,972 INFO L480 AbstractCegarLoop]: Abstraction has has 129 places, 88 transitions, 373 flow [2021-03-11 02:35:13,972 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 80.5) internal successors, (644), 8 states have internal predecessors, (644), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:35:13,972 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 02:35:13,972 INFO L255 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, 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] [2021-03-11 02:35:13,972 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-03-11 02:35:13,973 INFO L428 AbstractCegarLoop]: === Iteration 7 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 02:35:13,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 02:35:13,973 INFO L82 PathProgramCache]: Analyzing trace with hash -696634269, now seen corresponding path program 1 times [2021-03-11 02:35:13,973 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 02:35:13,974 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [562225742] [2021-03-11 02:35:13,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 02:35:14,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 02:35:14,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:35:14,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 02:35:14,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:35:14,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 02:35:14,046 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-03-11 02:35:14,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-11 02:35:14,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:35:14,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 02:35:14,070 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-03-11 02:35:14,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 02:35:14,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:35:14,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 02:35:14,080 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 02:35:14,080 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [562225742] [2021-03-11 02:35:14,081 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 02:35:14,081 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-11 02:35:14,081 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1419297659] [2021-03-11 02:35:14,081 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-11 02:35:14,082 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 02:35:14,082 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-11 02:35:14,082 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-03-11 02:35:14,083 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 84 out of 98 [2021-03-11 02:35:14,084 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 129 places, 88 transitions, 373 flow. Second operand has 6 states, 6 states have (on average 85.16666666666667) internal successors, (511), 6 states have internal predecessors, (511), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:35:14,084 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 02:35:14,084 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 84 of 98 [2021-03-11 02:35:14,084 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 02:35:14,275 INFO L129 PetriNetUnfolder]: 306/847 cut-off events. [2021-03-11 02:35:14,275 INFO L130 PetriNetUnfolder]: For 861/893 co-relation queries the response was YES. [2021-03-11 02:35:14,280 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1855 conditions, 847 events. 306/847 cut-off events. For 861/893 co-relation queries the response was YES. Maximal size of possible extension queue 127. Compared 6057 event pairs, 49 based on Foata normal form. 0/767 useless extension candidates. Maximal degree in co-relation 1829. Up to 216 conditions per place. [2021-03-11 02:35:14,283 INFO L132 encePairwiseOnDemand]: 88/98 looper letters, 21 selfloop transitions, 15 changer transitions 5/118 dead transitions. [2021-03-11 02:35:14,283 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 132 places, 118 transitions, 515 flow [2021-03-11 02:35:14,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-11 02:35:14,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-11 02:35:14,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 883 transitions. [2021-03-11 02:35:14,285 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.9010204081632653 [2021-03-11 02:35:14,285 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 883 transitions. [2021-03-11 02:35:14,286 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 883 transitions. [2021-03-11 02:35:14,286 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 02:35:14,286 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 883 transitions. [2021-03-11 02:35:14,288 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 88.3) internal successors, (883), 10 states have internal predecessors, (883), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:35:14,290 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 98.0) internal successors, (1078), 11 states have internal predecessors, (1078), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:35:14,290 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 98.0) internal successors, (1078), 11 states have internal predecessors, (1078), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:35:14,290 INFO L185 Difference]: Start difference. First operand has 129 places, 88 transitions, 373 flow. Second operand 10 states and 883 transitions. [2021-03-11 02:35:14,290 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 132 places, 118 transitions, 515 flow [2021-03-11 02:35:14,293 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 115 places, 118 transitions, 415 flow, removed 15 selfloop flow, removed 17 redundant places. [2021-03-11 02:35:14,296 INFO L241 Difference]: Finished difference. Result has 121 places, 101 transitions, 382 flow [2021-03-11 02:35:14,296 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=98, PETRI_DIFFERENCE_MINUEND_FLOW=273, PETRI_DIFFERENCE_MINUEND_PLACES=106, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=88, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=79, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=382, PETRI_PLACES=121, PETRI_TRANSITIONS=101} [2021-03-11 02:35:14,296 INFO L335 CegarLoopForPetriNet]: 103 programPoint places, 18 predicate places. [2021-03-11 02:35:14,296 INFO L480 AbstractCegarLoop]: Abstraction has has 121 places, 101 transitions, 382 flow [2021-03-11 02:35:14,296 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 85.16666666666667) internal successors, (511), 6 states have internal predecessors, (511), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:35:14,296 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 02:35:14,297 INFO L255 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, 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, 1, 1] [2021-03-11 02:35:14,297 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-03-11 02:35:14,297 INFO L428 AbstractCegarLoop]: === Iteration 8 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 02:35:14,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 02:35:14,297 INFO L82 PathProgramCache]: Analyzing trace with hash -1690167134, now seen corresponding path program 1 times [2021-03-11 02:35:14,297 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 02:35:14,297 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1416280693] [2021-03-11 02:35:14,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 02:35:14,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 02:35:14,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:35:14,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 02:35:14,385 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:35:14,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 02:35:14,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:35:14,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 02:35:14,394 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-03-11 02:35:14,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-11 02:35:14,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:35:14,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 02:35:14,418 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-03-11 02:35:14,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 02:35:14,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:35:14,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 02:35:14,431 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 02:35:14,431 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1416280693] [2021-03-11 02:35:14,431 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 02:35:14,431 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-11 02:35:14,431 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1694897241] [2021-03-11 02:35:14,432 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-11 02:35:14,432 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 02:35:14,432 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-11 02:35:14,432 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-03-11 02:35:14,433 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 84 out of 98 [2021-03-11 02:35:14,434 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 121 places, 101 transitions, 382 flow. Second operand has 7 states, 7 states have (on average 85.14285714285714) internal successors, (596), 7 states have internal predecessors, (596), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:35:14,434 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 02:35:14,434 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 84 of 98 [2021-03-11 02:35:14,434 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 02:35:14,707 INFO L129 PetriNetUnfolder]: 284/811 cut-off events. [2021-03-11 02:35:14,708 INFO L130 PetriNetUnfolder]: For 1735/2128 co-relation queries the response was YES. [2021-03-11 02:35:14,711 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2684 conditions, 811 events. 284/811 cut-off events. For 1735/2128 co-relation queries the response was YES. Maximal size of possible extension queue 120. Compared 5851 event pairs, 4 based on Foata normal form. 70/826 useless extension candidates. Maximal degree in co-relation 2666. Up to 305 conditions per place. [2021-03-11 02:35:14,714 INFO L132 encePairwiseOnDemand]: 88/98 looper letters, 20 selfloop transitions, 28 changer transitions 11/136 dead transitions. [2021-03-11 02:35:14,714 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 133 places, 136 transitions, 724 flow [2021-03-11 02:35:14,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-11 02:35:14,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-11 02:35:14,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1147 transitions. [2021-03-11 02:35:14,717 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.9003139717425431 [2021-03-11 02:35:14,717 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1147 transitions. [2021-03-11 02:35:14,717 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1147 transitions. [2021-03-11 02:35:14,717 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 02:35:14,717 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1147 transitions. [2021-03-11 02:35:14,720 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 88.23076923076923) internal successors, (1147), 13 states have internal predecessors, (1147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:35:14,722 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 98.0) internal successors, (1372), 14 states have internal predecessors, (1372), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:35:14,722 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 98.0) internal successors, (1372), 14 states have internal predecessors, (1372), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:35:14,722 INFO L185 Difference]: Start difference. First operand has 121 places, 101 transitions, 382 flow. Second operand 13 states and 1147 transitions. [2021-03-11 02:35:14,722 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 133 places, 136 transitions, 724 flow [2021-03-11 02:35:14,726 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 132 places, 136 transitions, 722 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-11 02:35:14,728 INFO L241 Difference]: Finished difference. Result has 138 places, 118 transitions, 606 flow [2021-03-11 02:35:14,728 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=98, PETRI_DIFFERENCE_MINUEND_FLOW=380, PETRI_DIFFERENCE_MINUEND_PLACES=120, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=101, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=81, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=606, PETRI_PLACES=138, PETRI_TRANSITIONS=118} [2021-03-11 02:35:14,728 INFO L335 CegarLoopForPetriNet]: 103 programPoint places, 35 predicate places. [2021-03-11 02:35:14,729 INFO L480 AbstractCegarLoop]: Abstraction has has 138 places, 118 transitions, 606 flow [2021-03-11 02:35:14,729 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 85.14285714285714) internal successors, (596), 7 states have internal predecessors, (596), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:35:14,729 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 02:35:14,729 INFO L255 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, 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, 1, 1, 1, 1, 1] [2021-03-11 02:35:14,729 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-03-11 02:35:14,729 INFO L428 AbstractCegarLoop]: === Iteration 9 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 02:35:14,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 02:35:14,730 INFO L82 PathProgramCache]: Analyzing trace with hash 1639265778, now seen corresponding path program 1 times [2021-03-11 02:35:14,730 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 02:35:14,730 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [176463249] [2021-03-11 02:35:14,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 02:35:14,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 02:35:14,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:35:14,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 02:35:14,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:35:14,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 02:35:14,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:35:14,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 02:35:14,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:35:14,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 02:35:14,843 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-03-11 02:35:14,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-11 02:35:14,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:35:14,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 02:35:14,866 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-03-11 02:35:14,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 02:35:14,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 02:35:14,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 02:35:14,876 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 02:35:14,877 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [176463249] [2021-03-11 02:35:14,877 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 02:35:14,877 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-11 02:35:14,877 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [529047742] [2021-03-11 02:35:14,877 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-11 02:35:14,877 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 02:35:14,878 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-11 02:35:14,878 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-03-11 02:35:14,879 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 84 out of 98 [2021-03-11 02:35:14,879 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 138 places, 118 transitions, 606 flow. Second operand has 8 states, 8 states have (on average 85.125) internal successors, (681), 8 states have internal predecessors, (681), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:35:14,879 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 02:35:14,879 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 84 of 98 [2021-03-11 02:35:14,880 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 02:35:15,185 INFO L129 PetriNetUnfolder]: 203/660 cut-off events. [2021-03-11 02:35:15,185 INFO L130 PetriNetUnfolder]: For 3279/4127 co-relation queries the response was YES. [2021-03-11 02:35:15,189 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2876 conditions, 660 events. 203/660 cut-off events. For 3279/4127 co-relation queries the response was YES. Maximal size of possible extension queue 102. Compared 4966 event pairs, 0 based on Foata normal form. 84/694 useless extension candidates. Maximal degree in co-relation 2852. Up to 224 conditions per place. [2021-03-11 02:35:15,192 INFO L132 encePairwiseOnDemand]: 88/98 looper letters, 16 selfloop transitions, 32 changer transitions 19/144 dead transitions. [2021-03-11 02:35:15,192 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 153 places, 144 transitions, 922 flow [2021-03-11 02:35:15,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-03-11 02:35:15,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-03-11 02:35:15,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 1396 transitions. [2021-03-11 02:35:15,195 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.8903061224489796 [2021-03-11 02:35:15,195 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 1396 transitions. [2021-03-11 02:35:15,195 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 1396 transitions. [2021-03-11 02:35:15,196 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 02:35:15,197 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 1396 transitions. [2021-03-11 02:35:15,200 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 87.25) internal successors, (1396), 16 states have internal predecessors, (1396), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:35:15,203 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 98.0) internal successors, (1666), 17 states have internal predecessors, (1666), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:35:15,203 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 98.0) internal successors, (1666), 17 states have internal predecessors, (1666), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:35:15,203 INFO L185 Difference]: Start difference. First operand has 138 places, 118 transitions, 606 flow. Second operand 16 states and 1396 transitions. [2021-03-11 02:35:15,203 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 153 places, 144 transitions, 922 flow [2021-03-11 02:35:15,216 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 145 places, 144 transitions, 837 flow, removed 34 selfloop flow, removed 8 redundant places. [2021-03-11 02:35:15,218 INFO L241 Difference]: Finished difference. Result has 152 places, 119 transitions, 635 flow [2021-03-11 02:35:15,218 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=98, PETRI_DIFFERENCE_MINUEND_FLOW=529, PETRI_DIFFERENCE_MINUEND_PLACES=130, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=118, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=29, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=86, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=635, PETRI_PLACES=152, PETRI_TRANSITIONS=119} [2021-03-11 02:35:15,219 INFO L335 CegarLoopForPetriNet]: 103 programPoint places, 49 predicate places. [2021-03-11 02:35:15,219 INFO L480 AbstractCegarLoop]: Abstraction has has 152 places, 119 transitions, 635 flow [2021-03-11 02:35:15,219 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 85.125) internal successors, (681), 8 states have internal predecessors, (681), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 02:35:15,219 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 02:35:15,219 INFO L255 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 02:35:15,219 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-03-11 02:35:15,220 INFO L428 AbstractCegarLoop]: === Iteration 10 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 02:35:15,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 02:35:15,220 INFO L82 PathProgramCache]: Analyzing trace with hash -848257950, now seen corresponding path program 1 times [2021-03-11 02:35:15,220 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 02:35:15,220 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [794363461] [2021-03-11 02:35:15,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 02:35:15,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-11 02:35:15,294 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-11 02:35:15,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-11 02:35:15,350 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-11 02:35:15,397 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-03-11 02:35:15,397 INFO L620 BasicCegarLoop]: Counterexample might be feasible [2021-03-11 02:35:15,397 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-03-11 02:35:15,548 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.03 02:35:15 BasicIcfg [2021-03-11 02:35:15,548 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-11 02:35:15,549 INFO L168 Benchmark]: Toolchain (without parser) took 6712.87 ms. Allocated memory was 255.9 MB in the beginning and 476.1 MB in the end (delta: 220.2 MB). Free memory was 234.6 MB in the beginning and 243.7 MB in the end (delta: -9.1 MB). Peak memory consumption was 209.6 MB. Max. memory is 16.0 GB. [2021-03-11 02:35:15,549 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 255.9 MB. Free memory is still 237.7 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-03-11 02:35:15,549 INFO L168 Benchmark]: CACSL2BoogieTranslator took 498.88 ms. Allocated memory was 255.9 MB in the beginning and 362.8 MB in the end (delta: 107.0 MB). Free memory was 233.7 MB in the beginning and 321.8 MB in the end (delta: -88.0 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.0 GB. [2021-03-11 02:35:15,550 INFO L168 Benchmark]: Boogie Procedure Inliner took 54.06 ms. Allocated memory is still 362.8 MB. Free memory was 321.8 MB in the beginning and 319.1 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-11 02:35:15,550 INFO L168 Benchmark]: Boogie Preprocessor took 30.83 ms. Allocated memory is still 362.8 MB. Free memory was 319.1 MB in the beginning and 316.6 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-11 02:35:15,550 INFO L168 Benchmark]: RCFGBuilder took 1657.01 ms. Allocated memory is still 362.8 MB. Free memory was 316.6 MB in the beginning and 304.4 MB in the end (delta: 12.3 MB). Peak memory consumption was 65.5 MB. Max. memory is 16.0 GB. [2021-03-11 02:35:15,551 INFO L168 Benchmark]: TraceAbstraction took 4465.10 ms. Allocated memory was 362.8 MB in the beginning and 476.1 MB in the end (delta: 113.2 MB). Free memory was 303.4 MB in the beginning and 243.7 MB in the end (delta: 59.7 MB). Peak memory consumption was 172.9 MB. Max. memory is 16.0 GB. [2021-03-11 02:35:15,552 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 255.9 MB. Free memory is still 237.7 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 498.88 ms. Allocated memory was 255.9 MB in the beginning and 362.8 MB in the end (delta: 107.0 MB). Free memory was 233.7 MB in the beginning and 321.8 MB in the end (delta: -88.0 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 54.06 ms. Allocated memory is still 362.8 MB. Free memory was 321.8 MB in the beginning and 319.1 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 30.83 ms. Allocated memory is still 362.8 MB. Free memory was 319.1 MB in the beginning and 316.6 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 1657.01 ms. Allocated memory is still 362.8 MB. Free memory was 316.6 MB in the beginning and 304.4 MB in the end (delta: 12.3 MB). Peak memory consumption was 65.5 MB. Max. memory is 16.0 GB. * TraceAbstraction took 4465.10 ms. Allocated memory was 362.8 MB in the beginning and 476.1 MB in the end (delta: 113.2 MB). Free memory was 303.4 MB in the beginning and 243.7 MB in the end (delta: 59.7 MB). Peak memory consumption was 172.9 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - 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; VAL [__unbuffered_cnt=0] [L711] 0 int __unbuffered_p2_EAX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0] [L713] 0 int __unbuffered_p2_EBX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0] [L714] 0 _Bool main$tmp_guard0; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0] [L715] 0 _Bool main$tmp_guard1; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0] [L717] 0 int x = 0; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0] [L719] 0 int y = 0; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0] [L721] 0 int z = 0; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0] [L722] 0 _Bool z$flush_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0] [L723] 0 int z$mem_tmp; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0] [L724] 0 _Bool z$r_buff0_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0] [L725] 0 _Bool z$r_buff0_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0] [L726] 0 _Bool z$r_buff0_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0] [L727] 0 _Bool z$r_buff0_thd3; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0] [L728] 0 _Bool z$r_buff1_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0] [L729] 0 _Bool z$r_buff1_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0] [L730] 0 _Bool z$r_buff1_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0] [L731] 0 _Bool z$r_buff1_thd3; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0] [L732] 0 _Bool z$read_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0] [L733] 0 int *z$read_delayed_var; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}] [L734] 0 int z$w_buff0; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0] [L735] 0 _Bool z$w_buff0_used; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0] [L736] 0 int z$w_buff1; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0] [L737] 0 _Bool z$w_buff1_used; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L738] 0 _Bool weak$$choice0; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L739] 0 _Bool weak$$choice2; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L833] 0 pthread_t t2293; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L834] FCALL, FORK 0 pthread_create(&t2293, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L743] 1 z$w_buff1 = z$w_buff0 [L744] 1 z$w_buff0 = 1 [L745] 1 z$w_buff1_used = z$w_buff0_used [L746] 1 z$w_buff0_used = (_Bool)1 [L18] COND FALSE 1 !(!expression) [L748] 1 z$r_buff1_thd0 = z$r_buff0_thd0 [L749] 1 z$r_buff1_thd1 = z$r_buff0_thd1 [L750] 1 z$r_buff1_thd2 = z$r_buff0_thd2 [L751] 1 z$r_buff1_thd3 = z$r_buff0_thd3 [L752] 1 z$r_buff0_thd1 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L755] 1 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L835] 0 pthread_t t2294; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L836] FCALL, FORK 0 pthread_create(&t2294, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L772] 2 x = 2 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L775] 2 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L837] 0 pthread_t t2295; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L838] FCALL, FORK 0 pthread_create(&t2295, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L792] 3 __unbuffered_p2_EAX = y VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L795] 3 weak$$choice0 = __VERIFIER_nondet_bool() [L796] 3 weak$$choice2 = __VERIFIER_nondet_bool() [L797] 3 z$flush_delayed = weak$$choice2 [L798] 3 z$mem_tmp = z [L799] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff1) [L799] 3 z = !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff1) [L800] EXPR 3 weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff0)) [L800] 3 z$w_buff0 = weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff0)) [L801] EXPR 3 weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff1 : z$w_buff1)) [L801] 3 z$w_buff1 = weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff1 : z$w_buff1)) [L802] EXPR 3 weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used)) [L802] 3 z$w_buff0_used = weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used)) [L803] EXPR 3 weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L803] 3 z$w_buff1_used = weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L804] EXPR 3 weak$$choice2 ? z$r_buff0_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff0_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3)) [L804] 3 z$r_buff0_thd3 = weak$$choice2 ? z$r_buff0_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff0_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3)) [L805] EXPR 3 weak$$choice2 ? z$r_buff1_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff1_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L805] 3 z$r_buff1_thd3 = weak$$choice2 ? z$r_buff1_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff1_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L806] 3 __unbuffered_p2_EBX = z [L807] EXPR 3 z$flush_delayed ? z$mem_tmp : z [L807] 3 z = z$flush_delayed ? z$mem_tmp : z [L808] 3 z$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=2, y=1, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L758] EXPR 1 z$w_buff0_used && z$r_buff0_thd1 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd1 ? z$w_buff1 : z) [L758] 1 z = z$w_buff0_used && z$r_buff0_thd1 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd1 ? z$w_buff1 : z) [L759] EXPR 1 z$w_buff0_used && z$r_buff0_thd1 ? (_Bool)0 : z$w_buff0_used [L759] 1 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd1 ? (_Bool)0 : z$w_buff0_used [L760] EXPR 1 z$w_buff0_used && z$r_buff0_thd1 || z$w_buff1_used && z$r_buff1_thd1 ? (_Bool)0 : z$w_buff1_used [L760] 1 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd1 || z$w_buff1_used && z$r_buff1_thd1 ? (_Bool)0 : z$w_buff1_used [L761] EXPR 1 z$w_buff0_used && z$r_buff0_thd1 ? (_Bool)0 : z$r_buff0_thd1 [L761] 1 z$r_buff0_thd1 = z$w_buff0_used && z$r_buff0_thd1 ? (_Bool)0 : z$r_buff0_thd1 [L762] EXPR 1 z$w_buff0_used && z$r_buff0_thd1 || z$w_buff1_used && z$r_buff1_thd1 ? (_Bool)0 : z$r_buff1_thd1 [L762] 1 z$r_buff1_thd1 = z$w_buff0_used && z$r_buff0_thd1 || z$w_buff1_used && z$r_buff1_thd1 ? (_Bool)0 : z$r_buff1_thd1 [L765] 1 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=1, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=2, y=1, z=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L778] EXPR 2 z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd2 ? z$w_buff1 : z) [L778] EXPR 2 z$w_buff1_used && z$r_buff1_thd2 ? z$w_buff1 : z [L778] EXPR 2 z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd2 ? z$w_buff1 : z) [L778] 2 z = z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd2 ? z$w_buff1 : z) [L779] EXPR 2 z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$w_buff0_used [L779] 2 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$w_buff0_used [L780] EXPR 2 z$w_buff0_used && z$r_buff0_thd2 || z$w_buff1_used && z$r_buff1_thd2 ? (_Bool)0 : z$w_buff1_used [L780] 2 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd2 || z$w_buff1_used && z$r_buff1_thd2 ? (_Bool)0 : z$w_buff1_used [L781] EXPR 2 z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$r_buff0_thd2 [L781] 2 z$r_buff0_thd2 = z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$r_buff0_thd2 [L782] EXPR 2 z$w_buff0_used && z$r_buff0_thd2 || z$w_buff1_used && z$r_buff1_thd2 ? (_Bool)0 : z$r_buff1_thd2 [L782] 2 z$r_buff1_thd2 = z$w_buff0_used && z$r_buff0_thd2 || z$w_buff1_used && z$r_buff1_thd2 ? (_Bool)0 : z$r_buff1_thd2 [L785] 2 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=2, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=2, y=1, z=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L811] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z) [L811] EXPR 3 z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z [L811] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z) [L811] 3 z = z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z) [L812] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used [L812] 3 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used [L813] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$w_buff1_used [L813] 3 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$w_buff1_used [L814] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3 [L814] 3 z$r_buff0_thd3 = z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3 [L815] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$r_buff1_thd3 [L815] 3 z$r_buff1_thd3 = z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$r_buff1_thd3 [L818] 3 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=3, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=2, y=1, z=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L840] 0 main$tmp_guard0 = __unbuffered_cnt == 3 VAL [__unbuffered_cnt=3, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=2, y=1, z=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L3] COND FALSE 0 !(!cond) VAL [__unbuffered_cnt=3, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=2, y=1, z=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L844] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L844] EXPR 0 z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z [L844] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L844] 0 z = z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L845] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used [L845] 0 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used [L846] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$w_buff1_used [L846] 0 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$w_buff1_used [L847] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0 [L847] 0 z$r_buff0_thd0 = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0 [L848] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$r_buff1_thd0 [L848] 0 z$r_buff1_thd0 = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$r_buff1_thd0 [L851] 0 main$tmp_guard1 = !(x == 2 && __unbuffered_p2_EAX == 1 && __unbuffered_p2_EBX == 0) VAL [__unbuffered_cnt=3, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=2, y=1, z=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L18] COND TRUE 0 !expression VAL [__unbuffered_cnt=3, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=2, y=1, z=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L18] 0 reach_error() VAL [__unbuffered_cnt=3, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=2, y=1, z=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 97 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 7.0ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 4182.3ms, OverallIterations: 10, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 2458.1ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 47.2ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 128 SDtfs, 354 SDslu, 412 SDs, 0 SdLazy, 403 SolverSat, 88 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 369.0ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 118 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 101 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 188 ImplicationChecksByTransitivity, 1065.1ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=635occurred in iteration=9, InterpolantAutomatonStates: 101, 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: 35.4ms SsaConstructionTime, 384.4ms SatisfiabilityAnalysisTime, 948.1ms InterpolantComputationTime, 620 NumberOfCodeBlocks, 620 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 537 ConstructedInterpolants, 0 QuantifiedInterpolants, 2181 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 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...