/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-SemanticLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/mix027_pso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-7cd14b8b9f04096d8ddfd3d9cd8a4ac590fe5404-7cd14b8 [2021-03-11 20:06:03,424 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-11 20:06:03,426 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-11 20:06:03,455 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-11 20:06:03,455 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-11 20:06:03,457 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-11 20:06:03,459 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-11 20:06:03,464 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-11 20:06:03,465 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-11 20:06:03,469 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-11 20:06:03,469 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-11 20:06:03,470 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-11 20:06:03,471 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-11 20:06:03,472 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-11 20:06:03,473 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-11 20:06:03,474 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-11 20:06:03,476 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-11 20:06:03,477 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-11 20:06:03,478 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-11 20:06:03,484 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-11 20:06:03,486 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-11 20:06:03,486 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-11 20:06:03,487 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-11 20:06:03,489 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-11 20:06:03,493 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-03-11 20:06:03,500 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-11 20:06:03,500 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-11 20:06:03,501 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-11 20:06:03,504 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-SemanticLbe.epf [2021-03-11 20:06:03,531 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-11 20:06:03,531 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-11 20:06:03,534 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-11 20:06:03,534 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-11 20:06:03,534 INFO L138 SettingsManager]: * Use SBE=true [2021-03-11 20:06:03,534 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-11 20:06:03,535 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-11 20:06:03,535 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-11 20:06:03,535 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-11 20:06:03,535 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-11 20:06:03,536 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-11 20:06:03,536 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-11 20:06:03,536 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-11 20:06:03,536 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-11 20:06:03,536 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-11 20:06:03,536 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-11 20:06:03,536 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-11 20:06:03,536 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-11 20:06:03,537 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-11 20:06:03,537 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-11 20:06:03,537 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-11 20:06:03,537 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-11 20:06:03,537 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-11 20:06:03,537 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-11 20:06:03,537 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-11 20:06:03,538 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-11 20:06:03,538 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-11 20:06:03,538 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-11 20:06:03,538 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-11 20:06:03,805 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-11 20:06:03,826 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-11 20:06:03,828 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-11 20:06:03,828 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-11 20:06:03,829 INFO L275 PluginConnector]: CDTParser initialized [2021-03-11 20:06:03,829 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix027_pso.opt.i [2021-03-11 20:06:03,887 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/232a232b7/602d53e2161c4d648bcfdbe9a99d5cc9/FLAGb2a8c82f3 [2021-03-11 20:06:04,371 INFO L306 CDTParser]: Found 1 translation units. [2021-03-11 20:06:04,372 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix027_pso.opt.i [2021-03-11 20:06:04,387 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/232a232b7/602d53e2161c4d648bcfdbe9a99d5cc9/FLAGb2a8c82f3 [2021-03-11 20:06:04,401 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/232a232b7/602d53e2161c4d648bcfdbe9a99d5cc9 [2021-03-11 20:06:04,403 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-11 20:06:04,407 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-11 20:06:04,409 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-11 20:06:04,409 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-11 20:06:04,412 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-11 20:06:04,413 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.03 08:06:04" (1/1) ... [2021-03-11 20:06:04,414 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@305a2644 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 08:06:04, skipping insertion in model container [2021-03-11 20:06:04,414 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.03 08:06:04" (1/1) ... [2021-03-11 20:06:04,419 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-11 20:06:04,460 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-11 20:06:04,585 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/mix027_pso.opt.i[948,961] [2021-03-11 20:06:04,776 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-11 20:06:04,781 INFO L203 MainTranslator]: Completed pre-run [2021-03-11 20:06:04,789 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/mix027_pso.opt.i[948,961] [2021-03-11 20:06:04,822 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-11 20:06:04,874 INFO L208 MainTranslator]: Completed translation [2021-03-11 20:06:04,874 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 08:06:04 WrapperNode [2021-03-11 20:06:04,874 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-11 20:06:04,875 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-11 20:06:04,876 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-11 20:06:04,877 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-11 20:06:04,882 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 08:06:04" (1/1) ... [2021-03-11 20:06:04,903 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 08:06:04" (1/1) ... [2021-03-11 20:06:04,919 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-11 20:06:04,919 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-11 20:06:04,919 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-11 20:06:04,919 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-11 20:06:04,924 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 08:06:04" (1/1) ... [2021-03-11 20:06:04,925 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 08:06:04" (1/1) ... [2021-03-11 20:06:04,928 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 08:06:04" (1/1) ... [2021-03-11 20:06:04,928 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 08:06:04" (1/1) ... [2021-03-11 20:06:04,933 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 08:06:04" (1/1) ... [2021-03-11 20:06:04,936 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 08:06:04" (1/1) ... [2021-03-11 20:06:04,938 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 08:06:04" (1/1) ... [2021-03-11 20:06:04,941 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-11 20:06:04,941 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-11 20:06:04,942 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-11 20:06:04,942 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-11 20:06:04,942 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 08:06:04" (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 20:06:04,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-11 20:06:04,998 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-03-11 20:06:04,998 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-11 20:06:04,998 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-11 20:06:04,998 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-03-11 20:06:04,998 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-03-11 20:06:04,998 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-03-11 20:06:04,998 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-03-11 20:06:04,998 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-03-11 20:06:04,998 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-03-11 20:06:04,998 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-03-11 20:06:04,999 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-03-11 20:06:04,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-03-11 20:06:04,999 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-03-11 20:06:04,999 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-11 20:06:04,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-11 20:06:05,000 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 20:06:06,367 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-11 20:06:06,367 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-03-11 20:06:06,368 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.03 08:06:06 BoogieIcfgContainer [2021-03-11 20:06:06,368 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-11 20:06:06,370 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-11 20:06:06,370 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-11 20:06:06,371 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-11 20:06:06,372 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.03 08:06:04" (1/3) ... [2021-03-11 20:06:06,372 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23ae389e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.03 08:06:06, skipping insertion in model container [2021-03-11 20:06:06,372 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 08:06:04" (2/3) ... [2021-03-11 20:06:06,372 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23ae389e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.03 08:06:06, skipping insertion in model container [2021-03-11 20:06:06,372 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.03 08:06:06" (3/3) ... [2021-03-11 20:06:06,373 INFO L111 eAbstractionObserver]: Analyzing ICFG mix027_pso.opt.i [2021-03-11 20:06:06,378 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-11 20:06:06,381 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-03-11 20:06:06,381 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-11 20:06:06,409 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,410 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,410 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,410 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,410 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,410 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,410 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,410 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,410 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,410 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,410 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,410 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,411 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,411 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,411 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,411 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,411 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,411 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,411 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,411 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,411 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,411 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,412 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,412 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,412 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,412 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,412 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,412 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,412 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,412 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,412 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,412 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,412 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,413 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,413 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,413 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,413 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,413 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,413 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,413 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,413 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,413 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,413 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,413 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,413 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,413 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,413 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,413 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,414 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,414 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,414 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,414 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,414 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,414 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,414 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,414 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,414 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,414 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,415 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,415 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,416 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,416 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,416 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,416 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,416 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,416 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,416 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,416 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,416 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,416 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,416 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,416 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,416 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,416 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,416 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,416 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,417 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,417 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,417 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,417 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,417 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,417 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,417 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,417 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,417 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,417 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,417 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,417 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,418 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,418 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,418 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,418 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,418 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,418 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,418 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,418 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,420 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,420 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,420 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,420 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,420 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,420 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,420 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,420 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,420 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,421 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,421 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,421 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,421 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,421 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,421 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,421 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,421 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,421 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,421 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,421 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,422 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,422 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,422 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,422 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,422 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,422 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,422 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,422 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,422 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,422 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,422 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,422 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,422 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,423 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,423 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,423 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,423 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,423 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,423 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,423 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,423 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,423 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,424 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,424 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,424 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,424 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,424 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,424 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,424 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,424 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,424 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,424 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,424 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,424 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,425 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,425 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,425 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,425 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,425 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,425 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,425 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,425 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,425 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,425 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,427 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,427 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,427 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,427 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,427 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,427 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,427 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,427 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,427 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,427 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,427 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,427 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,428 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,428 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,428 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,428 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,428 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,428 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,428 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,428 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,428 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,428 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,428 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,428 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,428 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,428 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,429 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,430 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,430 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,430 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,430 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,430 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,430 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,430 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,430 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,430 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,430 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,431 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,431 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,431 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,431 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,431 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,432 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,432 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,432 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,432 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,432 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,432 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,432 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,435 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,435 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,436 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,436 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:06:06,436 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-03-11 20:06:06,448 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-03-11 20:06:06,470 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-11 20:06:06,470 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-11 20:06:06,470 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-11 20:06:06,470 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-11 20:06:06,470 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-11 20:06:06,470 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-11 20:06:06,470 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-11 20:06:06,470 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-11 20:06:06,481 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 126 places, 115 transitions, 250 flow [2021-03-11 20:06:06,516 INFO L129 PetriNetUnfolder]: 2/111 cut-off events. [2021-03-11 20:06:06,516 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-11 20:06:06,519 INFO L84 FinitePrefix]: Finished finitePrefix Result has 124 conditions, 111 events. 2/111 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 82 event pairs, 0 based on Foata normal form. 0/107 useless extension candidates. Maximal degree in co-relation 75. Up to 2 conditions per place. [2021-03-11 20:06:06,519 INFO L82 GeneralOperation]: Start removeDead. Operand has 126 places, 115 transitions, 250 flow [2021-03-11 20:06:06,522 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 122 places, 111 transitions, 234 flow [2021-03-11 20:06:06,524 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-11 20:06:06,529 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 122 places, 111 transitions, 234 flow [2021-03-11 20:06:06,531 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 122 places, 111 transitions, 234 flow [2021-03-11 20:06:06,531 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 122 places, 111 transitions, 234 flow [2021-03-11 20:06:06,544 INFO L129 PetriNetUnfolder]: 2/111 cut-off events. [2021-03-11 20:06:06,544 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-11 20:06:06,545 INFO L84 FinitePrefix]: Finished finitePrefix Result has 124 conditions, 111 events. 2/111 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 83 event pairs, 0 based on Foata normal form. 0/107 useless extension candidates. Maximal degree in co-relation 75. Up to 2 conditions per place. [2021-03-11 20:06:06,546 INFO L116 LiptonReduction]: Number of co-enabled transitions 2512 [2021-03-11 20:06:07,396 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2021-03-11 20:06:07,706 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 81 [2021-03-11 20:06:07,810 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-03-11 20:06:09,395 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 88 [2021-03-11 20:06:09,532 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2021-03-11 20:06:11,109 WARN L205 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 122 [2021-03-11 20:06:11,277 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2021-03-11 20:06:11,571 WARN L205 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 122 [2021-03-11 20:06:11,703 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2021-03-11 20:06:11,706 INFO L131 LiptonReduction]: Checked pairs total: 6644 [2021-03-11 20:06:11,706 INFO L133 LiptonReduction]: Total number of compositions: 93 [2021-03-11 20:06:11,708 INFO L182 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 5186 [2021-03-11 20:06:11,719 INFO L129 PetriNetUnfolder]: 0/11 cut-off events. [2021-03-11 20:06:11,719 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-11 20:06:11,719 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 20:06:11,719 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-03-11 20:06:11,720 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 20:06:11,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 20:06:11,723 INFO L82 PathProgramCache]: Analyzing trace with hash -1153014579, now seen corresponding path program 1 times [2021-03-11 20:06:11,728 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 20:06:11,728 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [920842470] [2021-03-11 20:06:11,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 20:06:11,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 20:06:11,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:06:11,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 20:06:11,869 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 20:06:11,870 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [920842470] [2021-03-11 20:06:11,870 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 20:06:11,871 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-03-11 20:06:11,871 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1682083583] [2021-03-11 20:06:11,876 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-11 20:06:11,876 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 20:06:11,883 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-11 20:06:11,885 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-11 20:06:11,887 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 180 out of 208 [2021-03-11 20:06:11,890 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 41 places, 28 transitions, 68 flow. Second operand has 3 states, 3 states have (on average 180.66666666666666) internal successors, (542), 3 states have internal predecessors, (542), 0 states have call successors, (0), 0 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 20:06:11,891 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 20:06:11,891 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 180 of 208 [2021-03-11 20:06:11,891 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 20:06:11,935 INFO L129 PetriNetUnfolder]: 29/100 cut-off events. [2021-03-11 20:06:11,935 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-11 20:06:11,936 INFO L84 FinitePrefix]: Finished finitePrefix Result has 167 conditions, 100 events. 29/100 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 373 event pairs, 15 based on Foata normal form. 0/81 useless extension candidates. Maximal degree in co-relation 156. Up to 41 conditions per place. [2021-03-11 20:06:11,937 INFO L132 encePairwiseOnDemand]: 205/208 looper letters, 7 selfloop transitions, 2 changer transitions 0/30 dead transitions. [2021-03-11 20:06:11,937 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 42 places, 30 transitions, 90 flow [2021-03-11 20:06:11,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-11 20:06:11,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-11 20:06:11,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 550 transitions. [2021-03-11 20:06:11,952 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.8814102564102564 [2021-03-11 20:06:11,953 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 550 transitions. [2021-03-11 20:06:11,953 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 550 transitions. [2021-03-11 20:06:11,955 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 20:06:11,957 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 550 transitions. [2021-03-11 20:06:11,961 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 183.33333333333334) internal successors, (550), 3 states have internal predecessors, (550), 0 states have call successors, (0), 0 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 20:06:11,967 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 208.0) internal successors, (832), 4 states have internal predecessors, (832), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:06:11,967 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 208.0) internal successors, (832), 4 states have internal predecessors, (832), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:06:11,969 INFO L185 Difference]: Start difference. First operand has 41 places, 28 transitions, 68 flow. Second operand 3 states and 550 transitions. [2021-03-11 20:06:11,969 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 42 places, 30 transitions, 90 flow [2021-03-11 20:06:11,971 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 38 places, 30 transitions, 86 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-03-11 20:06:11,972 INFO L241 Difference]: Finished difference. Result has 38 places, 27 transitions, 66 flow [2021-03-11 20:06:11,973 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=208, PETRI_DIFFERENCE_MINUEND_FLOW=62, PETRI_DIFFERENCE_MINUEND_PLACES=36, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=27, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=66, PETRI_PLACES=38, PETRI_TRANSITIONS=27} [2021-03-11 20:06:11,974 INFO L335 CegarLoopForPetriNet]: 41 programPoint places, -3 predicate places. [2021-03-11 20:06:11,974 INFO L480 AbstractCegarLoop]: Abstraction has has 38 places, 27 transitions, 66 flow [2021-03-11 20:06:11,974 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 180.66666666666666) internal successors, (542), 3 states have internal predecessors, (542), 0 states have call successors, (0), 0 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 20:06:11,974 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 20:06:11,974 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 20:06:11,974 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-11 20:06:11,974 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 20:06:11,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 20:06:11,975 INFO L82 PathProgramCache]: Analyzing trace with hash 926622593, now seen corresponding path program 1 times [2021-03-11 20:06:11,976 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 20:06:11,976 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1468613335] [2021-03-11 20:06:11,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 20:06:12,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 20:06:12,092 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-03-11 20:06:12,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 20:06:12,100 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 20:06:12,100 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1468613335] [2021-03-11 20:06:12,100 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 20:06:12,100 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-03-11 20:06:12,101 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1684585705] [2021-03-11 20:06:12,101 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-11 20:06:12,101 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 20:06:12,102 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-11 20:06:12,102 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-11 20:06:12,104 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 160 out of 208 [2021-03-11 20:06:12,104 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 27 transitions, 66 flow. Second operand has 3 states, 3 states have (on average 160.66666666666666) internal successors, (482), 3 states have internal predecessors, (482), 0 states have call successors, (0), 0 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 20:06:12,104 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 20:06:12,104 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 160 of 208 [2021-03-11 20:06:12,104 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 20:06:12,259 INFO L129 PetriNetUnfolder]: 450/952 cut-off events. [2021-03-11 20:06:12,259 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-11 20:06:12,262 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1665 conditions, 952 events. 450/952 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 119. Compared 6296 event pairs, 149 based on Foata normal form. 0/882 useless extension candidates. Maximal degree in co-relation 1656. Up to 391 conditions per place. [2021-03-11 20:06:12,266 INFO L132 encePairwiseOnDemand]: 198/208 looper letters, 8 selfloop transitions, 8 changer transitions 2/35 dead transitions. [2021-03-11 20:06:12,267 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 40 places, 35 transitions, 118 flow [2021-03-11 20:06:12,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-11 20:06:12,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-11 20:06:12,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 499 transitions. [2021-03-11 20:06:12,268 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.7996794871794872 [2021-03-11 20:06:12,268 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 499 transitions. [2021-03-11 20:06:12,268 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 499 transitions. [2021-03-11 20:06:12,269 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 20:06:12,269 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 499 transitions. [2021-03-11 20:06:12,270 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 166.33333333333334) internal successors, (499), 3 states have internal predecessors, (499), 0 states have call successors, (0), 0 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 20:06:12,271 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 208.0) internal successors, (832), 4 states have internal predecessors, (832), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:06:12,271 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 208.0) internal successors, (832), 4 states have internal predecessors, (832), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:06:12,271 INFO L185 Difference]: Start difference. First operand has 38 places, 27 transitions, 66 flow. Second operand 3 states and 499 transitions. [2021-03-11 20:06:12,272 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 40 places, 35 transitions, 118 flow [2021-03-11 20:06:12,272 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 38 places, 35 transitions, 114 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-11 20:06:12,273 INFO L241 Difference]: Finished difference. Result has 40 places, 33 transitions, 122 flow [2021-03-11 20:06:12,273 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=208, PETRI_DIFFERENCE_MINUEND_FLOW=62, PETRI_DIFFERENCE_MINUEND_PLACES=36, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=27, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=122, PETRI_PLACES=40, PETRI_TRANSITIONS=33} [2021-03-11 20:06:12,273 INFO L335 CegarLoopForPetriNet]: 41 programPoint places, -1 predicate places. [2021-03-11 20:06:12,273 INFO L480 AbstractCegarLoop]: Abstraction has has 40 places, 33 transitions, 122 flow [2021-03-11 20:06:12,273 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 160.66666666666666) internal successors, (482), 3 states have internal predecessors, (482), 0 states have call successors, (0), 0 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 20:06:12,274 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 20:06:12,274 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 20:06:12,274 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-11 20:06:12,274 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 20:06:12,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 20:06:12,275 INFO L82 PathProgramCache]: Analyzing trace with hash 655607410, now seen corresponding path program 1 times [2021-03-11 20:06:12,275 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 20:06:12,275 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1835676616] [2021-03-11 20:06:12,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 20:06:12,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 20:06:12,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:06:12,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 20:06:12,355 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-03-11 20:06:12,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 20:06:12,363 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 20:06:12,364 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1835676616] [2021-03-11 20:06:12,364 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 20:06:12,364 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-11 20:06:12,364 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [246567616] [2021-03-11 20:06:12,364 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-11 20:06:12,364 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 20:06:12,364 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-11 20:06:12,365 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-03-11 20:06:12,365 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 160 out of 208 [2021-03-11 20:06:12,366 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 33 transitions, 122 flow. Second operand has 4 states, 4 states have (on average 160.75) internal successors, (643), 4 states have internal predecessors, (643), 0 states have call successors, (0), 0 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 20:06:12,366 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 20:06:12,366 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 160 of 208 [2021-03-11 20:06:12,366 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 20:06:12,433 INFO L129 PetriNetUnfolder]: 170/418 cut-off events. [2021-03-11 20:06:12,433 INFO L130 PetriNetUnfolder]: For 116/353 co-relation queries the response was YES. [2021-03-11 20:06:12,434 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1159 conditions, 418 events. 170/418 cut-off events. For 116/353 co-relation queries the response was YES. Maximal size of possible extension queue 49. Compared 2312 event pairs, 22 based on Foata normal form. 13/419 useless extension candidates. Maximal degree in co-relation 1148. Up to 187 conditions per place. [2021-03-11 20:06:12,437 INFO L132 encePairwiseOnDemand]: 200/208 looper letters, 16 selfloop transitions, 8 changer transitions 0/41 dead transitions. [2021-03-11 20:06:12,437 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 42 places, 41 transitions, 210 flow [2021-03-11 20:06:12,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-11 20:06:12,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-11 20:06:12,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 659 transitions. [2021-03-11 20:06:12,439 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.7920673076923077 [2021-03-11 20:06:12,439 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 659 transitions. [2021-03-11 20:06:12,439 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 659 transitions. [2021-03-11 20:06:12,439 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 20:06:12,439 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 659 transitions. [2021-03-11 20:06:12,440 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 164.75) internal successors, (659), 4 states have internal predecessors, (659), 0 states have call successors, (0), 0 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 20:06:12,441 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 208.0) internal successors, (1040), 5 states have internal predecessors, (1040), 0 states have call successors, (0), 0 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 20:06:12,442 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 208.0) internal successors, (1040), 5 states have internal predecessors, (1040), 0 states have call successors, (0), 0 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 20:06:12,442 INFO L185 Difference]: Start difference. First operand has 40 places, 33 transitions, 122 flow. Second operand 4 states and 659 transitions. [2021-03-11 20:06:12,442 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 42 places, 41 transitions, 210 flow [2021-03-11 20:06:12,445 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 40 places, 41 transitions, 186 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-11 20:06:12,445 INFO L241 Difference]: Finished difference. Result has 43 places, 37 transitions, 164 flow [2021-03-11 20:06:12,445 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=208, PETRI_DIFFERENCE_MINUEND_FLOW=106, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=33, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=164, PETRI_PLACES=43, PETRI_TRANSITIONS=37} [2021-03-11 20:06:12,446 INFO L335 CegarLoopForPetriNet]: 41 programPoint places, 2 predicate places. [2021-03-11 20:06:12,446 INFO L480 AbstractCegarLoop]: Abstraction has has 43 places, 37 transitions, 164 flow [2021-03-11 20:06:12,446 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 160.75) internal successors, (643), 4 states have internal predecessors, (643), 0 states have call successors, (0), 0 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 20:06:12,446 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 20:06:12,446 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 20:06:12,446 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-11 20:06:12,446 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 20:06:12,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 20:06:12,447 INFO L82 PathProgramCache]: Analyzing trace with hash 1396630607, now seen corresponding path program 1 times [2021-03-11 20:06:12,447 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 20:06:12,447 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1729663355] [2021-03-11 20:06:12,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 20:06:12,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 20:06:12,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:06:12,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 20:06:12,501 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-03-11 20:06:12,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 20:06:12,508 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 20:06:12,509 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1729663355] [2021-03-11 20:06:12,509 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 20:06:12,509 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-11 20:06:12,509 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1971604438] [2021-03-11 20:06:12,509 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-11 20:06:12,509 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 20:06:12,509 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-11 20:06:12,510 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-03-11 20:06:12,510 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 160 out of 208 [2021-03-11 20:06:12,511 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 43 places, 37 transitions, 164 flow. Second operand has 4 states, 4 states have (on average 161.0) internal successors, (644), 4 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 20:06:12,511 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 20:06:12,511 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 160 of 208 [2021-03-11 20:06:12,511 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 20:06:12,566 INFO L129 PetriNetUnfolder]: 152/389 cut-off events. [2021-03-11 20:06:12,567 INFO L130 PetriNetUnfolder]: For 204/311 co-relation queries the response was YES. [2021-03-11 20:06:12,568 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1190 conditions, 389 events. 152/389 cut-off events. For 204/311 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 2125 event pairs, 30 based on Foata normal form. 10/390 useless extension candidates. Maximal degree in co-relation 1176. Up to 171 conditions per place. [2021-03-11 20:06:12,569 INFO L132 encePairwiseOnDemand]: 199/208 looper letters, 16 selfloop transitions, 18 changer transitions 0/51 dead transitions. [2021-03-11 20:06:12,569 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 51 transitions, 318 flow [2021-03-11 20:06:12,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-11 20:06:12,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-11 20:06:12,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 663 transitions. [2021-03-11 20:06:12,571 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.796875 [2021-03-11 20:06:12,571 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 663 transitions. [2021-03-11 20:06:12,571 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 663 transitions. [2021-03-11 20:06:12,571 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 20:06:12,571 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 663 transitions. [2021-03-11 20:06:12,572 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 165.75) internal successors, (663), 4 states have internal predecessors, (663), 0 states have call successors, (0), 0 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 20:06:12,573 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 208.0) internal successors, (1040), 5 states have internal predecessors, (1040), 0 states have call successors, (0), 0 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 20:06:12,574 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 208.0) internal successors, (1040), 5 states have internal predecessors, (1040), 0 states have call successors, (0), 0 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 20:06:12,574 INFO L185 Difference]: Start difference. First operand has 43 places, 37 transitions, 164 flow. Second operand 4 states and 663 transitions. [2021-03-11 20:06:12,574 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 51 transitions, 318 flow [2021-03-11 20:06:12,576 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 51 transitions, 313 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-11 20:06:12,577 INFO L241 Difference]: Finished difference. Result has 48 places, 48 transitions, 318 flow [2021-03-11 20:06:12,577 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=208, PETRI_DIFFERENCE_MINUEND_FLOW=161, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=318, PETRI_PLACES=48, PETRI_TRANSITIONS=48} [2021-03-11 20:06:12,577 INFO L335 CegarLoopForPetriNet]: 41 programPoint places, 7 predicate places. [2021-03-11 20:06:12,577 INFO L480 AbstractCegarLoop]: Abstraction has has 48 places, 48 transitions, 318 flow [2021-03-11 20:06:12,577 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 161.0) internal successors, (644), 4 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 20:06:12,577 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 20:06:12,577 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 20:06:12,578 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-11 20:06:12,578 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 20:06:12,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 20:06:12,578 INFO L82 PathProgramCache]: Analyzing trace with hash 1258359770, now seen corresponding path program 1 times [2021-03-11 20:06:12,578 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 20:06:12,578 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1621239938] [2021-03-11 20:06:12,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 20:06:12,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 20:06:12,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:06:12,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 20:06:12,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:06:12,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 20:06:12,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:06:12,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 20:06:12,610 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 20:06:12,611 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1621239938] [2021-03-11 20:06:12,611 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 20:06:12,611 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-11 20:06:12,611 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1682798223] [2021-03-11 20:06:12,611 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-11 20:06:12,611 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 20:06:12,611 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-11 20:06:12,611 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-11 20:06:12,613 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 173 out of 208 [2021-03-11 20:06:12,619 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 48 transitions, 318 flow. Second operand has 4 states, 4 states have (on average 173.75) internal successors, (695), 4 states have internal predecessors, (695), 0 states have call successors, (0), 0 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 20:06:12,619 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 20:06:12,619 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 173 of 208 [2021-03-11 20:06:12,619 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 20:06:12,775 INFO L129 PetriNetUnfolder]: 767/1574 cut-off events. [2021-03-11 20:06:12,776 INFO L130 PetriNetUnfolder]: For 1042/1201 co-relation queries the response was YES. [2021-03-11 20:06:12,782 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3888 conditions, 1574 events. 767/1574 cut-off events. For 1042/1201 co-relation queries the response was YES. Maximal size of possible extension queue 260. Compared 11904 event pairs, 160 based on Foata normal form. 131/1481 useless extension candidates. Maximal degree in co-relation 3870. Up to 666 conditions per place. [2021-03-11 20:06:12,790 INFO L132 encePairwiseOnDemand]: 201/208 looper letters, 10 selfloop transitions, 6 changer transitions 0/57 dead transitions. [2021-03-11 20:06:12,790 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 57 transitions, 368 flow [2021-03-11 20:06:12,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-11 20:06:12,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-11 20:06:12,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 710 transitions. [2021-03-11 20:06:12,792 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.8533653846153846 [2021-03-11 20:06:12,792 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 710 transitions. [2021-03-11 20:06:12,792 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 710 transitions. [2021-03-11 20:06:12,792 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 20:06:12,792 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 710 transitions. [2021-03-11 20:06:12,793 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 177.5) internal successors, (710), 4 states have internal predecessors, (710), 0 states have call successors, (0), 0 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 20:06:12,795 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 208.0) internal successors, (1040), 5 states have internal predecessors, (1040), 0 states have call successors, (0), 0 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 20:06:12,795 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 208.0) internal successors, (1040), 5 states have internal predecessors, (1040), 0 states have call successors, (0), 0 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 20:06:12,795 INFO L185 Difference]: Start difference. First operand has 48 places, 48 transitions, 318 flow. Second operand 4 states and 710 transitions. [2021-03-11 20:06:12,795 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 51 places, 57 transitions, 368 flow [2021-03-11 20:06:12,800 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 51 places, 57 transitions, 368 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-03-11 20:06:12,801 INFO L241 Difference]: Finished difference. Result has 53 places, 53 transitions, 364 flow [2021-03-11 20:06:12,801 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=208, PETRI_DIFFERENCE_MINUEND_FLOW=318, PETRI_DIFFERENCE_MINUEND_PLACES=48, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=48, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=42, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=364, PETRI_PLACES=53, PETRI_TRANSITIONS=53} [2021-03-11 20:06:12,801 INFO L335 CegarLoopForPetriNet]: 41 programPoint places, 12 predicate places. [2021-03-11 20:06:12,801 INFO L480 AbstractCegarLoop]: Abstraction has has 53 places, 53 transitions, 364 flow [2021-03-11 20:06:12,802 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 173.75) internal successors, (695), 4 states have internal predecessors, (695), 0 states have call successors, (0), 0 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 20:06:12,802 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 20:06:12,802 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 20:06:12,802 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-03-11 20:06:12,802 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 20:06:12,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 20:06:12,802 INFO L82 PathProgramCache]: Analyzing trace with hash 2125273800, now seen corresponding path program 1 times [2021-03-11 20:06:12,802 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 20:06:12,803 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [260355846] [2021-03-11 20:06:12,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 20:06:12,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 20:06:12,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:06:12,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 20:06:12,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:06:12,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 20:06:12,848 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 20:06:12,848 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [260355846] [2021-03-11 20:06:12,848 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 20:06:12,848 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-11 20:06:12,849 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [862075945] [2021-03-11 20:06:12,849 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-11 20:06:12,849 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 20:06:12,849 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-11 20:06:12,851 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-11 20:06:12,855 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 181 out of 208 [2021-03-11 20:06:12,855 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 53 places, 53 transitions, 364 flow. Second operand has 3 states, 3 states have (on average 182.0) internal successors, (546), 3 states have internal predecessors, (546), 0 states have call successors, (0), 0 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 20:06:12,855 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 20:06:12,855 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 181 of 208 [2021-03-11 20:06:12,856 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 20:06:13,037 INFO L129 PetriNetUnfolder]: 797/1740 cut-off events. [2021-03-11 20:06:13,037 INFO L130 PetriNetUnfolder]: For 1909/2298 co-relation queries the response was YES. [2021-03-11 20:06:13,043 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4739 conditions, 1740 events. 797/1740 cut-off events. For 1909/2298 co-relation queries the response was YES. Maximal size of possible extension queue 285. Compared 14153 event pairs, 324 based on Foata normal form. 52/1478 useless extension candidates. Maximal degree in co-relation 4717. Up to 1224 conditions per place. [2021-03-11 20:06:13,048 INFO L132 encePairwiseOnDemand]: 205/208 looper letters, 5 selfloop transitions, 9 changer transitions 0/53 dead transitions. [2021-03-11 20:06:13,049 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 55 places, 53 transitions, 392 flow [2021-03-11 20:06:13,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-11 20:06:13,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-11 20:06:13,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 549 transitions. [2021-03-11 20:06:13,050 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.8798076923076923 [2021-03-11 20:06:13,050 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 549 transitions. [2021-03-11 20:06:13,050 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 549 transitions. [2021-03-11 20:06:13,050 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 20:06:13,050 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 549 transitions. [2021-03-11 20:06:13,052 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 183.0) internal successors, (549), 3 states have internal predecessors, (549), 0 states have call successors, (0), 0 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 20:06:13,053 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 208.0) internal successors, (832), 4 states have internal predecessors, (832), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:06:13,053 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 208.0) internal successors, (832), 4 states have internal predecessors, (832), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:06:13,053 INFO L185 Difference]: Start difference. First operand has 53 places, 53 transitions, 364 flow. Second operand 3 states and 549 transitions. [2021-03-11 20:06:13,053 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 55 places, 53 transitions, 392 flow [2021-03-11 20:06:13,056 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 54 places, 53 transitions, 390 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-11 20:06:13,058 INFO L241 Difference]: Finished difference. Result has 55 places, 53 transitions, 391 flow [2021-03-11 20:06:13,058 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=208, PETRI_DIFFERENCE_MINUEND_FLOW=362, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=53, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=44, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=391, PETRI_PLACES=55, PETRI_TRANSITIONS=53} [2021-03-11 20:06:13,058 INFO L335 CegarLoopForPetriNet]: 41 programPoint places, 14 predicate places. [2021-03-11 20:06:13,058 INFO L480 AbstractCegarLoop]: Abstraction has has 55 places, 53 transitions, 391 flow [2021-03-11 20:06:13,058 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 182.0) internal successors, (546), 3 states have internal predecessors, (546), 0 states have call successors, (0), 0 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 20:06:13,059 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 20:06:13,059 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 20:06:13,059 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-03-11 20:06:13,059 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 20:06:13,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 20:06:13,059 INFO L82 PathProgramCache]: Analyzing trace with hash -1540079383, now seen corresponding path program 1 times [2021-03-11 20:06:13,059 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 20:06:13,059 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [224001341] [2021-03-11 20:06:13,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 20:06:13,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 20:06:13,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:06:13,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 20:06:13,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:06:13,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 20:06:13,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:06:13,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 20:06:13,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:06:13,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 20:06:13,133 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 20:06:13,133 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [224001341] [2021-03-11 20:06:13,133 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 20:06:13,133 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-11 20:06:13,133 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1490112113] [2021-03-11 20:06:13,134 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-11 20:06:13,134 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 20:06:13,134 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-11 20:06:13,134 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-11 20:06:13,135 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 173 out of 208 [2021-03-11 20:06:13,136 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 55 places, 53 transitions, 391 flow. Second operand has 5 states, 5 states have (on average 173.8) internal successors, (869), 5 states have internal predecessors, (869), 0 states have call successors, (0), 0 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 20:06:13,136 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 20:06:13,136 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 173 of 208 [2021-03-11 20:06:13,136 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 20:06:13,320 INFO L129 PetriNetUnfolder]: 825/1829 cut-off events. [2021-03-11 20:06:13,321 INFO L130 PetriNetUnfolder]: For 2367/6430 co-relation queries the response was YES. [2021-03-11 20:06:13,328 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6044 conditions, 1829 events. 825/1829 cut-off events. For 2367/6430 co-relation queries the response was YES. Maximal size of possible extension queue 321. Compared 14999 event pairs, 84 based on Foata normal form. 310/1853 useless extension candidates. Maximal degree in co-relation 6021. Up to 1302 conditions per place. [2021-03-11 20:06:13,335 INFO L132 encePairwiseOnDemand]: 201/208 looper letters, 11 selfloop transitions, 10 changer transitions 0/62 dead transitions. [2021-03-11 20:06:13,335 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 59 places, 62 transitions, 469 flow [2021-03-11 20:06:13,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-11 20:06:13,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-11 20:06:13,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 888 transitions. [2021-03-11 20:06:13,337 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.8538461538461538 [2021-03-11 20:06:13,337 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 888 transitions. [2021-03-11 20:06:13,337 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 888 transitions. [2021-03-11 20:06:13,338 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 20:06:13,338 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 888 transitions. [2021-03-11 20:06:13,339 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 177.6) internal successors, (888), 5 states have internal predecessors, (888), 0 states have call successors, (0), 0 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 20:06:13,340 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 208.0) internal successors, (1248), 6 states have internal predecessors, (1248), 0 states have call successors, (0), 0 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 20:06:13,340 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 208.0) internal successors, (1248), 6 states have internal predecessors, (1248), 0 states have call successors, (0), 0 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 20:06:13,340 INFO L185 Difference]: Start difference. First operand has 55 places, 53 transitions, 391 flow. Second operand 5 states and 888 transitions. [2021-03-11 20:06:13,340 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 59 places, 62 transitions, 469 flow [2021-03-11 20:06:13,344 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 62 transitions, 458 flow, removed 1 selfloop flow, removed 1 redundant places. [2021-03-11 20:06:13,346 INFO L241 Difference]: Finished difference. Result has 60 places, 58 transitions, 447 flow [2021-03-11 20:06:13,346 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=208, PETRI_DIFFERENCE_MINUEND_FLOW=380, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=53, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=43, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=447, PETRI_PLACES=60, PETRI_TRANSITIONS=58} [2021-03-11 20:06:13,346 INFO L335 CegarLoopForPetriNet]: 41 programPoint places, 19 predicate places. [2021-03-11 20:06:13,346 INFO L480 AbstractCegarLoop]: Abstraction has has 60 places, 58 transitions, 447 flow [2021-03-11 20:06:13,346 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 173.8) internal successors, (869), 5 states have internal predecessors, (869), 0 states have call successors, (0), 0 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 20:06:13,346 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 20:06:13,346 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 20:06:13,347 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-03-11 20:06:13,347 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 20:06:13,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 20:06:13,347 INFO L82 PathProgramCache]: Analyzing trace with hash 414035882, now seen corresponding path program 1 times [2021-03-11 20:06:13,347 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 20:06:13,347 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [104405308] [2021-03-11 20:06:13,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 20:06:13,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 20:06:13,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:06:13,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 20:06:13,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:06:13,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 20:06:13,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:06:13,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 20:06:13,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:06:13,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 20:06:13,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:06:13,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 20:06:13,424 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 20:06:13,424 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [104405308] [2021-03-11 20:06:13,424 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 20:06:13,424 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-11 20:06:13,424 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [233375731] [2021-03-11 20:06:13,424 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-11 20:06:13,424 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 20:06:13,425 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-11 20:06:13,425 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-03-11 20:06:13,425 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 173 out of 208 [2021-03-11 20:06:13,426 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 60 places, 58 transitions, 447 flow. Second operand has 6 states, 6 states have (on average 173.83333333333334) internal successors, (1043), 6 states have internal predecessors, (1043), 0 states have call successors, (0), 0 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 20:06:13,426 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 20:06:13,426 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 173 of 208 [2021-03-11 20:06:13,426 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 20:06:13,601 INFO L129 PetriNetUnfolder]: 682/1581 cut-off events. [2021-03-11 20:06:13,601 INFO L130 PetriNetUnfolder]: For 4939/11979 co-relation queries the response was YES. [2021-03-11 20:06:13,608 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7064 conditions, 1581 events. 682/1581 cut-off events. For 4939/11979 co-relation queries the response was YES. Maximal size of possible extension queue 281. Compared 13005 event pairs, 25 based on Foata normal form. 345/1648 useless extension candidates. Maximal degree in co-relation 7038. Up to 1117 conditions per place. [2021-03-11 20:06:13,614 INFO L132 encePairwiseOnDemand]: 201/208 looper letters, 12 selfloop transitions, 14 changer transitions 0/67 dead transitions. [2021-03-11 20:06:13,615 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 67 transitions, 554 flow [2021-03-11 20:06:13,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-11 20:06:13,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-11 20:06:13,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1066 transitions. [2021-03-11 20:06:13,617 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.8541666666666666 [2021-03-11 20:06:13,617 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1066 transitions. [2021-03-11 20:06:13,617 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1066 transitions. [2021-03-11 20:06:13,617 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 20:06:13,617 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1066 transitions. [2021-03-11 20:06:13,619 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 177.66666666666666) internal successors, (1066), 6 states have internal predecessors, (1066), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 20:06:13,620 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 208.0) internal successors, (1456), 7 states have internal predecessors, (1456), 0 states have call successors, (0), 0 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 20:06:13,620 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 208.0) internal successors, (1456), 7 states have internal predecessors, (1456), 0 states have call successors, (0), 0 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 20:06:13,620 INFO L185 Difference]: Start difference. First operand has 60 places, 58 transitions, 447 flow. Second operand 6 states and 1066 transitions. [2021-03-11 20:06:13,620 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 65 places, 67 transitions, 554 flow [2021-03-11 20:06:13,625 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 63 places, 67 transitions, 538 flow, removed 4 selfloop flow, removed 2 redundant places. [2021-03-11 20:06:13,626 INFO L241 Difference]: Finished difference. Result has 65 places, 63 transitions, 517 flow [2021-03-11 20:06:13,626 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=208, PETRI_DIFFERENCE_MINUEND_FLOW=432, PETRI_DIFFERENCE_MINUEND_PLACES=58, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=58, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=44, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=517, PETRI_PLACES=65, PETRI_TRANSITIONS=63} [2021-03-11 20:06:13,626 INFO L335 CegarLoopForPetriNet]: 41 programPoint places, 24 predicate places. [2021-03-11 20:06:13,627 INFO L480 AbstractCegarLoop]: Abstraction has has 65 places, 63 transitions, 517 flow [2021-03-11 20:06:13,628 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 173.83333333333334) internal successors, (1043), 6 states have internal predecessors, (1043), 0 states have call successors, (0), 0 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 20:06:13,628 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 20:06:13,628 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] [2021-03-11 20:06:13,628 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-03-11 20:06:13,628 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 20:06:13,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 20:06:13,628 INFO L82 PathProgramCache]: Analyzing trace with hash -302624902, now seen corresponding path program 1 times [2021-03-11 20:06:13,629 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 20:06:13,629 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [680626680] [2021-03-11 20:06:13,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 20:06:13,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 20:06:13,685 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:06:13,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 20:06:13,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:06:13,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 20:06:13,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:06:13,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 20:06:13,694 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 20:06:13,694 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [680626680] [2021-03-11 20:06:13,694 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 20:06:13,694 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-11 20:06:13,694 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1972637621] [2021-03-11 20:06:13,695 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-11 20:06:13,695 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 20:06:13,695 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-11 20:06:13,695 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-11 20:06:13,696 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 179 out of 208 [2021-03-11 20:06:13,696 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 65 places, 63 transitions, 517 flow. Second operand has 4 states, 4 states have (on average 180.0) internal successors, (720), 4 states have internal predecessors, (720), 0 states have call successors, (0), 0 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 20:06:13,696 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 20:06:13,696 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 179 of 208 [2021-03-11 20:06:13,696 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 20:06:13,887 INFO L129 PetriNetUnfolder]: 1011/2292 cut-off events. [2021-03-11 20:06:13,887 INFO L130 PetriNetUnfolder]: For 8693/11234 co-relation queries the response was YES. [2021-03-11 20:06:13,898 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10069 conditions, 2292 events. 1011/2292 cut-off events. For 8693/11234 co-relation queries the response was YES. Maximal size of possible extension queue 417. Compared 20062 event pairs, 36 based on Foata normal form. 71/1991 useless extension candidates. Maximal degree in co-relation 10041. Up to 1520 conditions per place. [2021-03-11 20:06:13,906 INFO L132 encePairwiseOnDemand]: 205/208 looper letters, 6 selfloop transitions, 4 changer transitions 0/67 dead transitions. [2021-03-11 20:06:13,906 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 68 places, 67 transitions, 573 flow [2021-03-11 20:06:13,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-11 20:06:13,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-11 20:06:13,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 723 transitions. [2021-03-11 20:06:13,908 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.8689903846153846 [2021-03-11 20:06:13,908 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 723 transitions. [2021-03-11 20:06:13,908 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 723 transitions. [2021-03-11 20:06:13,908 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 20:06:13,908 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 723 transitions. [2021-03-11 20:06:13,909 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 180.75) internal successors, (723), 4 states have internal predecessors, (723), 0 states have call successors, (0), 0 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 20:06:13,910 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 208.0) internal successors, (1040), 5 states have internal predecessors, (1040), 0 states have call successors, (0), 0 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 20:06:13,910 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 208.0) internal successors, (1040), 5 states have internal predecessors, (1040), 0 states have call successors, (0), 0 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 20:06:13,910 INFO L185 Difference]: Start difference. First operand has 65 places, 63 transitions, 517 flow. Second operand 4 states and 723 transitions. [2021-03-11 20:06:13,910 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 68 places, 67 transitions, 573 flow [2021-03-11 20:06:13,956 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 65 places, 67 transitions, 542 flow, removed 8 selfloop flow, removed 3 redundant places. [2021-03-11 20:06:13,958 INFO L241 Difference]: Finished difference. Result has 67 places, 66 transitions, 535 flow [2021-03-11 20:06:13,958 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=208, PETRI_DIFFERENCE_MINUEND_FLOW=486, PETRI_DIFFERENCE_MINUEND_PLACES=62, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=63, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=59, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=535, PETRI_PLACES=67, PETRI_TRANSITIONS=66} [2021-03-11 20:06:13,958 INFO L335 CegarLoopForPetriNet]: 41 programPoint places, 26 predicate places. [2021-03-11 20:06:13,958 INFO L480 AbstractCegarLoop]: Abstraction has has 67 places, 66 transitions, 535 flow [2021-03-11 20:06:13,959 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 180.0) internal successors, (720), 4 states have internal predecessors, (720), 0 states have call successors, (0), 0 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 20:06:13,959 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 20:06:13,959 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] [2021-03-11 20:06:13,959 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-03-11 20:06:13,959 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 20:06:13,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 20:06:13,959 INFO L82 PathProgramCache]: Analyzing trace with hash -501544986, now seen corresponding path program 2 times [2021-03-11 20:06:13,959 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 20:06:13,959 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1243530893] [2021-03-11 20:06:13,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 20:06:13,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 20:06:14,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:06:14,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 20:06:14,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:06:14,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 20:06:14,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:06:14,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 20:06:14,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:06:14,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 20:06:14,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:06:14,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 20:06:14,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:06:14,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 20:06:14,042 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 20:06:14,042 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1243530893] [2021-03-11 20:06:14,042 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 20:06:14,042 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-11 20:06:14,043 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1102867501] [2021-03-11 20:06:14,043 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-11 20:06:14,043 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 20:06:14,044 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-11 20:06:14,044 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-11 20:06:14,044 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 173 out of 208 [2021-03-11 20:06:14,045 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 67 places, 66 transitions, 535 flow. Second operand has 7 states, 7 states have (on average 173.85714285714286) internal successors, (1217), 7 states have internal predecessors, (1217), 0 states have call successors, (0), 0 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 20:06:14,045 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 20:06:14,045 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 173 of 208 [2021-03-11 20:06:14,045 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 20:06:14,296 INFO L129 PetriNetUnfolder]: 1001/2230 cut-off events. [2021-03-11 20:06:14,297 INFO L130 PetriNetUnfolder]: For 7562/13872 co-relation queries the response was YES. [2021-03-11 20:06:14,308 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10138 conditions, 2230 events. 1001/2230 cut-off events. For 7562/13872 co-relation queries the response was YES. Maximal size of possible extension queue 417. Compared 19342 event pairs, 27 based on Foata normal form. 439/2298 useless extension candidates. Maximal degree in co-relation 10109. Up to 853 conditions per place. [2021-03-11 20:06:14,315 INFO L132 encePairwiseOnDemand]: 201/208 looper letters, 5 selfloop transitions, 18 changer transitions 16/67 dead transitions. [2021-03-11 20:06:14,315 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 73 places, 67 transitions, 589 flow [2021-03-11 20:06:14,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-11 20:06:14,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-11 20:06:14,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1236 transitions. [2021-03-11 20:06:14,317 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.8489010989010989 [2021-03-11 20:06:14,317 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1236 transitions. [2021-03-11 20:06:14,317 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1236 transitions. [2021-03-11 20:06:14,318 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 20:06:14,318 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1236 transitions. [2021-03-11 20:06:14,319 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 176.57142857142858) internal successors, (1236), 7 states have internal predecessors, (1236), 0 states have call successors, (0), 0 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 20:06:14,321 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 208.0) internal successors, (1664), 8 states have internal predecessors, (1664), 0 states have call successors, (0), 0 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 20:06:14,321 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 208.0) internal successors, (1664), 8 states have internal predecessors, (1664), 0 states have call successors, (0), 0 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 20:06:14,322 INFO L185 Difference]: Start difference. First operand has 67 places, 66 transitions, 535 flow. Second operand 7 states and 1236 transitions. [2021-03-11 20:06:14,322 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 73 places, 67 transitions, 589 flow [2021-03-11 20:06:14,348 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 71 places, 67 transitions, 580 flow, removed 2 selfloop flow, removed 2 redundant places. [2021-03-11 20:06:14,349 INFO L241 Difference]: Finished difference. Result has 73 places, 51 transitions, 421 flow [2021-03-11 20:06:14,349 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=208, PETRI_DIFFERENCE_MINUEND_FLOW=526, PETRI_DIFFERENCE_MINUEND_PLACES=65, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=66, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=48, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=421, PETRI_PLACES=73, PETRI_TRANSITIONS=51} [2021-03-11 20:06:14,349 INFO L335 CegarLoopForPetriNet]: 41 programPoint places, 32 predicate places. [2021-03-11 20:06:14,349 INFO L480 AbstractCegarLoop]: Abstraction has has 73 places, 51 transitions, 421 flow [2021-03-11 20:06:14,350 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 173.85714285714286) internal successors, (1217), 7 states have internal predecessors, (1217), 0 states have call successors, (0), 0 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 20:06:14,350 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 20:06:14,351 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] [2021-03-11 20:06:14,351 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-03-11 20:06:14,351 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 20:06:14,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 20:06:14,351 INFO L82 PathProgramCache]: Analyzing trace with hash -923802543, now seen corresponding path program 1 times [2021-03-11 20:06:14,351 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 20:06:14,351 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1462512638] [2021-03-11 20:06:14,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 20:06:14,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 20:06:14,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:06:14,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 20:06:14,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:06:14,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 20:06:14,408 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-03-11 20:06:14,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-11 20:06:14,416 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 20:06:14,417 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1462512638] [2021-03-11 20:06:14,417 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 20:06:14,417 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-11 20:06:14,417 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1369048035] [2021-03-11 20:06:14,417 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-11 20:06:14,417 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 20:06:14,417 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-11 20:06:14,417 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-03-11 20:06:14,418 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 160 out of 208 [2021-03-11 20:06:14,418 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 73 places, 51 transitions, 421 flow. Second operand has 4 states, 4 states have (on average 162.25) internal successors, (649), 4 states have internal predecessors, (649), 0 states have call successors, (0), 0 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 20:06:14,418 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 20:06:14,418 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 160 of 208 [2021-03-11 20:06:14,419 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 20:06:14,537 INFO L129 PetriNetUnfolder]: 360/887 cut-off events. [2021-03-11 20:06:14,537 INFO L130 PetriNetUnfolder]: For 3778/4243 co-relation queries the response was YES. [2021-03-11 20:06:14,541 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4050 conditions, 887 events. 360/887 cut-off events. For 3778/4243 co-relation queries the response was YES. Maximal size of possible extension queue 178. Compared 6837 event pairs, 9 based on Foata normal form. 1/748 useless extension candidates. Maximal degree in co-relation 4025. Up to 346 conditions per place. [2021-03-11 20:06:14,542 INFO L132 encePairwiseOnDemand]: 202/208 looper letters, 5 selfloop transitions, 5 changer transitions 19/58 dead transitions. [2021-03-11 20:06:14,543 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 75 places, 58 transitions, 533 flow [2021-03-11 20:06:14,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-11 20:06:14,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-11 20:06:14,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 659 transitions. [2021-03-11 20:06:14,544 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.7920673076923077 [2021-03-11 20:06:14,544 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 659 transitions. [2021-03-11 20:06:14,545 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 659 transitions. [2021-03-11 20:06:14,545 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 20:06:14,545 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 659 transitions. [2021-03-11 20:06:14,546 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 164.75) internal successors, (659), 4 states have internal predecessors, (659), 0 states have call successors, (0), 0 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 20:06:14,547 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 208.0) internal successors, (1040), 5 states have internal predecessors, (1040), 0 states have call successors, (0), 0 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 20:06:14,547 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 208.0) internal successors, (1040), 5 states have internal predecessors, (1040), 0 states have call successors, (0), 0 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 20:06:14,547 INFO L185 Difference]: Start difference. First operand has 73 places, 51 transitions, 421 flow. Second operand 4 states and 659 transitions. [2021-03-11 20:06:14,547 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 75 places, 58 transitions, 533 flow [2021-03-11 20:06:14,562 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 67 places, 58 transitions, 459 flow, removed 14 selfloop flow, removed 8 redundant places. [2021-03-11 20:06:14,563 INFO L241 Difference]: Finished difference. Result has 68 places, 39 transitions, 265 flow [2021-03-11 20:06:14,563 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=208, PETRI_DIFFERENCE_MINUEND_FLOW=355, PETRI_DIFFERENCE_MINUEND_PLACES=64, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=51, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=46, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=265, PETRI_PLACES=68, PETRI_TRANSITIONS=39} [2021-03-11 20:06:14,563 INFO L335 CegarLoopForPetriNet]: 41 programPoint places, 27 predicate places. [2021-03-11 20:06:14,563 INFO L480 AbstractCegarLoop]: Abstraction has has 68 places, 39 transitions, 265 flow [2021-03-11 20:06:14,564 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 162.25) internal successors, (649), 4 states have internal predecessors, (649), 0 states have call successors, (0), 0 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 20:06:14,564 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 20:06:14,564 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] [2021-03-11 20:06:14,564 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-03-11 20:06:14,564 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 20:06:14,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 20:06:14,565 INFO L82 PathProgramCache]: Analyzing trace with hash 1712911031, now seen corresponding path program 2 times [2021-03-11 20:06:14,565 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 20:06:14,565 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2080121265] [2021-03-11 20:06:14,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 20:06:14,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-11 20:06:14,612 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-11 20:06:14,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-11 20:06:14,664 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-11 20:06:14,697 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-03-11 20:06:14,697 INFO L620 BasicCegarLoop]: Counterexample might be feasible [2021-03-11 20:06:14,697 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-03-11 20:06:14,782 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.03 08:06:14 BasicIcfg [2021-03-11 20:06:14,782 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-11 20:06:14,782 INFO L168 Benchmark]: Toolchain (without parser) took 10377.92 ms. Allocated memory was 255.9 MB in the beginning and 664.8 MB in the end (delta: 408.9 MB). Free memory was 234.8 MB in the beginning and 535.1 MB in the end (delta: -300.3 MB). Peak memory consumption was 107.0 MB. Max. memory is 16.0 GB. [2021-03-11 20:06:14,782 INFO L168 Benchmark]: CDTParser took 0.09 ms. Allocated memory is still 255.9 MB. Free memory is still 237.9 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-03-11 20:06:14,783 INFO L168 Benchmark]: CACSL2BoogieTranslator took 465.13 ms. Allocated memory was 255.9 MB in the beginning and 364.9 MB in the end (delta: 109.1 MB). Free memory was 233.9 MB in the beginning and 324.5 MB in the end (delta: -90.6 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.0 GB. [2021-03-11 20:06:14,783 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.49 ms. Allocated memory is still 364.9 MB. Free memory was 324.5 MB in the beginning and 322.0 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-11 20:06:14,783 INFO L168 Benchmark]: Boogie Preprocessor took 21.68 ms. Allocated memory is still 364.9 MB. Free memory was 322.0 MB in the beginning and 319.5 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-11 20:06:14,783 INFO L168 Benchmark]: RCFGBuilder took 1427.04 ms. Allocated memory is still 364.9 MB. Free memory was 319.5 MB in the beginning and 325.4 MB in the end (delta: -5.9 MB). Peak memory consumption was 63.6 MB. Max. memory is 16.0 GB. [2021-03-11 20:06:14,784 INFO L168 Benchmark]: TraceAbstraction took 8412.11 ms. Allocated memory was 364.9 MB in the beginning and 664.8 MB in the end (delta: 299.9 MB). Free memory was 325.4 MB in the beginning and 535.1 MB in the end (delta: -209.7 MB). Peak memory consumption was 89.2 MB. Max. memory is 16.0 GB. [2021-03-11 20:06:14,785 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09 ms. Allocated memory is still 255.9 MB. Free memory is still 237.9 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 465.13 ms. Allocated memory was 255.9 MB in the beginning and 364.9 MB in the end (delta: 109.1 MB). Free memory was 233.9 MB in the beginning and 324.5 MB in the end (delta: -90.6 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 43.49 ms. Allocated memory is still 364.9 MB. Free memory was 324.5 MB in the beginning and 322.0 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 21.68 ms. Allocated memory is still 364.9 MB. Free memory was 322.0 MB in the beginning and 319.5 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 1427.04 ms. Allocated memory is still 364.9 MB. Free memory was 319.5 MB in the beginning and 325.4 MB in the end (delta: -5.9 MB). Peak memory consumption was 63.6 MB. Max. memory is 16.0 GB. * TraceAbstraction took 8412.11 ms. Allocated memory was 364.9 MB in the beginning and 664.8 MB in the end (delta: 299.9 MB). Free memory was 325.4 MB in the beginning and 535.1 MB in the end (delta: -209.7 MB). Peak memory consumption was 89.2 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5175.4ms, 122 PlacesBefore, 41 PlacesAfterwards, 111 TransitionsBefore, 28 TransitionsAfterwards, 2512 CoEnabledTransitionPairs, 7 FixpointIterations, 40 TrivialSequentialCompositions, 47 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 4 ConcurrentYvCompositions, 2 ChoiceCompositions, 93 TotalNumberOfCompositions, 6644 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 3181, positive: 2976, positive conditional: 0, positive unconditional: 2976, negative: 205, negative conditional: 0, negative unconditional: 205, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1673, positive: 1620, positive conditional: 0, positive unconditional: 1620, negative: 53, negative conditional: 0, negative unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1673, positive: 1607, positive conditional: 0, positive unconditional: 1607, negative: 66, negative conditional: 0, negative unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 66, positive: 13, positive conditional: 0, positive unconditional: 13, negative: 53, negative conditional: 0, negative unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 478, positive: 57, positive conditional: 0, positive unconditional: 57, negative: 421, negative conditional: 0, negative unconditional: 421, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3181, positive: 1356, positive conditional: 0, positive unconditional: 1356, negative: 152, negative conditional: 0, negative unconditional: 152, unknown: 1673, unknown conditional: 0, unknown unconditional: 1673] , Statistics on independence cache: Total cache size (in pairs): 162, Positive cache size: 139, Positive conditional cache size: 0, Positive unconditional cache size: 139, Negative cache size: 23, Negative conditional cache size: 0, Negative unconditional cache size: 23 - CounterExampleResult [Line: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L710] 0 int __unbuffered_cnt = 0; [L712] 0 int __unbuffered_p1_EAX = 0; [L714] 0 int __unbuffered_p3_EAX = 0; [L716] 0 int __unbuffered_p3_EBX = 0; [L718] 0 int a = 0; [L719] 0 _Bool main$tmp_guard0; [L720] 0 _Bool main$tmp_guard1; [L722] 0 int x = 0; [L724] 0 int y = 0; [L725] 0 _Bool y$flush_delayed; [L726] 0 int y$mem_tmp; [L727] 0 _Bool y$r_buff0_thd0; [L728] 0 _Bool y$r_buff0_thd1; [L729] 0 _Bool y$r_buff0_thd2; [L730] 0 _Bool y$r_buff0_thd3; [L731] 0 _Bool y$r_buff0_thd4; [L732] 0 _Bool y$r_buff1_thd0; [L733] 0 _Bool y$r_buff1_thd1; [L734] 0 _Bool y$r_buff1_thd2; [L735] 0 _Bool y$r_buff1_thd3; [L736] 0 _Bool y$r_buff1_thd4; [L737] 0 _Bool y$read_delayed; [L738] 0 int *y$read_delayed_var; [L739] 0 int y$w_buff0; [L740] 0 _Bool y$w_buff0_used; [L741] 0 int y$w_buff1; [L742] 0 _Bool y$w_buff1_used; [L744] 0 int z = 0; [L745] 0 _Bool weak$$choice0; [L746] 0 _Bool weak$$choice2; [L854] 0 pthread_t t725; [L855] FCALL, FORK 0 pthread_create(&t725, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L856] 0 pthread_t t726; [L857] FCALL, FORK 0 pthread_create(&t726, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L858] 0 pthread_t t727; [L859] FCALL, FORK 0 pthread_create(&t727, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L793] 3 y$w_buff1 = y$w_buff0 [L794] 3 y$w_buff0 = 1 [L795] 3 y$w_buff1_used = y$w_buff0_used [L796] 3 y$w_buff0_used = (_Bool)1 [L18] COND FALSE 3 !(!expression) [L798] 3 y$r_buff1_thd0 = y$r_buff0_thd0 [L799] 3 y$r_buff1_thd1 = y$r_buff0_thd1 [L800] 3 y$r_buff1_thd2 = y$r_buff0_thd2 [L801] 3 y$r_buff1_thd3 = y$r_buff0_thd3 [L802] 3 y$r_buff1_thd4 = y$r_buff0_thd4 [L803] 3 y$r_buff0_thd3 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=0] [L806] 3 z = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L860] 0 pthread_t t728; [L861] FCALL, FORK 0 pthread_create(&t728, ((void *)0), P3, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L823] 4 z = 2 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=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=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=2] [L826] 4 __unbuffered_p3_EAX = z VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=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=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=2] [L829] 4 __unbuffered_p3_EBX = a VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=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=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=2] [L750] 1 a = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=2] [L753] 1 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=2] [L765] 2 x = 2 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=2] [L768] 2 weak$$choice0 = __VERIFIER_nondet_bool() [L769] 2 weak$$choice2 = __VERIFIER_nondet_bool() [L770] 2 y$flush_delayed = weak$$choice2 [L771] 2 y$mem_tmp = y [L772] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1) [L772] 2 y = !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1) [L773] EXPR 2 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0)) [L773] 2 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0)) [L774] EXPR 2 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1)) [L774] 2 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1)) [L775] EXPR 2 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used)) [L775] 2 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used)) [L776] EXPR 2 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L776] 2 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L777] EXPR 2 weak$$choice2 ? y$r_buff0_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2)) [L777] 2 y$r_buff0_thd2 = weak$$choice2 ? y$r_buff0_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2)) [L778] EXPR 2 weak$$choice2 ? y$r_buff1_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L778] 2 y$r_buff1_thd2 = weak$$choice2 ? y$r_buff1_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L779] 2 __unbuffered_p1_EAX = y [L780] EXPR 2 y$flush_delayed ? y$mem_tmp : y [L780] 2 y = y$flush_delayed ? y$mem_tmp : y [L781] 2 y$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=2] [L758] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L760] 1 return 0; [L809] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L809] 3 y = y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L810] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used [L810] 3 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used [L811] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$w_buff1_used [L811] 3 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$w_buff1_used [L812] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3 [L812] 3 y$r_buff0_thd3 = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3 [L813] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$r_buff1_thd3 [L813] 3 y$r_buff1_thd3 = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$r_buff1_thd3 [L816] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L818] 3 return 0; [L786] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L788] 2 return 0; [L832] EXPR 4 y$w_buff0_used && y$r_buff0_thd4 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd4 ? y$w_buff1 : y) [L832] EXPR 4 y$w_buff1_used && y$r_buff1_thd4 ? y$w_buff1 : y [L832] EXPR 4 y$w_buff0_used && y$r_buff0_thd4 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd4 ? y$w_buff1 : y) [L832] 4 y = y$w_buff0_used && y$r_buff0_thd4 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd4 ? y$w_buff1 : y) [L833] EXPR 4 y$w_buff0_used && y$r_buff0_thd4 ? (_Bool)0 : y$w_buff0_used [L833] 4 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd4 ? (_Bool)0 : y$w_buff0_used [L834] EXPR 4 y$w_buff0_used && y$r_buff0_thd4 || y$w_buff1_used && y$r_buff1_thd4 ? (_Bool)0 : y$w_buff1_used [L834] 4 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd4 || y$w_buff1_used && y$r_buff1_thd4 ? (_Bool)0 : y$w_buff1_used [L835] EXPR 4 y$w_buff0_used && y$r_buff0_thd4 ? (_Bool)0 : y$r_buff0_thd4 [L835] 4 y$r_buff0_thd4 = y$w_buff0_used && y$r_buff0_thd4 ? (_Bool)0 : y$r_buff0_thd4 [L836] EXPR 4 y$w_buff0_used && y$r_buff0_thd4 || y$w_buff1_used && y$r_buff1_thd4 ? (_Bool)0 : y$r_buff1_thd4 [L836] 4 y$r_buff1_thd4 = y$w_buff0_used && y$r_buff0_thd4 || y$w_buff1_used && y$r_buff1_thd4 ? (_Bool)0 : y$r_buff1_thd4 [L839] 4 __unbuffered_cnt = __unbuffered_cnt + 1 [L841] 4 return 0; [L863] 0 main$tmp_guard0 = __unbuffered_cnt == 4 VAL [\result={0:0}, \result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=2, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=2] [L3] COND FALSE 0 !(!cond) [L867] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L867] EXPR 0 y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y [L867] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L867] 0 y = y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L868] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L868] 0 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L869] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L869] 0 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L870] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L870] 0 y$r_buff0_thd0 = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L871] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L871] 0 y$r_buff1_thd0 = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L874] 0 main$tmp_guard1 = !(x == 2 && z == 2 && __unbuffered_p1_EAX == 0 && __unbuffered_p3_EAX == 2 && __unbuffered_p3_EBX == 0) [L18] COND TRUE 0 !expression [L18] 0 reach_error() VAL [\result={0:0}, \result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=2, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 114 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 3.0ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 8232.1ms, OverallIterations: 12, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 1939.5ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 5245.3ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 69 SDtfs, 27 SDslu, 46 SDs, 0 SdLazy, 145 SolverSat, 98 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 180.0ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 43 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 145.3ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=535occurred in iteration=9, InterpolantAutomatonStates: 47, 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: 30.4ms SsaConstructionTime, 293.3ms SatisfiabilityAnalysisTime, 487.6ms InterpolantComputationTime, 204 NumberOfCodeBlocks, 204 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 167 ConstructedInterpolants, 0 QuantifiedInterpolants, 929 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...