/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/mix030_pso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-d5b4239aa45c8d22a30959944f2ef622f7386a6d-d5b4239 [2021-03-24 19:36:48,504 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-24 19:36:48,506 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-24 19:36:48,544 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-24 19:36:48,544 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-24 19:36:48,547 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-24 19:36:48,550 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-24 19:36:48,555 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-24 19:36:48,557 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-24 19:36:48,562 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-24 19:36:48,563 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-24 19:36:48,564 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-24 19:36:48,564 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-24 19:36:48,566 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-24 19:36:48,568 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-24 19:36:48,569 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-24 19:36:48,572 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-24 19:36:48,573 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-24 19:36:48,575 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-24 19:36:48,583 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-24 19:36:48,584 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-24 19:36:48,585 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-24 19:36:48,586 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-24 19:36:48,588 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-24 19:36:48,595 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-03-24 19:36:48,603 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-24 19:36:48,604 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-24 19:36:48,604 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-24 19:36:48,608 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-SemanticLbe.epf [2021-03-24 19:36:48,644 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-24 19:36:48,644 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-24 19:36:48,647 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-24 19:36:48,647 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-24 19:36:48,648 INFO L138 SettingsManager]: * Use SBE=true [2021-03-24 19:36:48,648 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-24 19:36:48,648 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-24 19:36:48,648 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-24 19:36:48,648 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-24 19:36:48,649 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-24 19:36:48,650 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-24 19:36:48,650 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-24 19:36:48,650 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-24 19:36:48,650 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-24 19:36:48,650 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-24 19:36:48,650 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-24 19:36:48,651 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-24 19:36:48,651 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-24 19:36:48,651 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-24 19:36:48,651 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-24 19:36:48,652 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-24 19:36:48,652 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-24 19:36:48,652 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-24 19:36:48,652 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-24 19:36:48,652 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-24 19:36:48,652 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-24 19:36:48,653 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-24 19:36:48,653 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-24 19:36:48,653 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-24 19:36:48,996 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-24 19:36:49,023 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-24 19:36:49,026 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-24 19:36:49,027 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-24 19:36:49,030 INFO L275 PluginConnector]: CDTParser initialized [2021-03-24 19:36:49,031 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix030_pso.opt.i [2021-03-24 19:36:49,092 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d118e2c34/6e6021d10602452db74baf3b9dc55109/FLAGfda6bb932 [2021-03-24 19:36:49,557 INFO L306 CDTParser]: Found 1 translation units. [2021-03-24 19:36:49,558 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix030_pso.opt.i [2021-03-24 19:36:49,575 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d118e2c34/6e6021d10602452db74baf3b9dc55109/FLAGfda6bb932 [2021-03-24 19:36:49,834 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d118e2c34/6e6021d10602452db74baf3b9dc55109 [2021-03-24 19:36:49,836 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-24 19:36:49,837 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-24 19:36:49,838 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-24 19:36:49,838 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-24 19:36:49,843 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-24 19:36:49,844 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.03 07:36:49" (1/1) ... [2021-03-24 19:36:49,848 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72232b92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 07:36:49, skipping insertion in model container [2021-03-24 19:36:49,848 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.03 07:36:49" (1/1) ... [2021-03-24 19:36:49,854 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-24 19:36:49,904 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-24 19:36:50,009 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/mix030_pso.opt.i[948,961] [2021-03-24 19:36:50,254 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-24 19:36:50,265 INFO L203 MainTranslator]: Completed pre-run [2021-03-24 19:36:50,277 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/mix030_pso.opt.i[948,961] [2021-03-24 19:36:50,342 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-24 19:36:50,425 INFO L208 MainTranslator]: Completed translation [2021-03-24 19:36:50,426 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 07:36:50 WrapperNode [2021-03-24 19:36:50,426 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-24 19:36:50,427 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-24 19:36:50,427 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-24 19:36:50,429 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-24 19:36:50,435 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 07:36:50" (1/1) ... [2021-03-24 19:36:50,477 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 07:36:50" (1/1) ... [2021-03-24 19:36:50,511 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-24 19:36:50,512 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-24 19:36:50,512 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-24 19:36:50,512 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-24 19:36:50,522 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 07:36:50" (1/1) ... [2021-03-24 19:36:50,522 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 07:36:50" (1/1) ... [2021-03-24 19:36:50,537 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 07:36:50" (1/1) ... [2021-03-24 19:36:50,537 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 07:36:50" (1/1) ... [2021-03-24 19:36:50,549 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 07:36:50" (1/1) ... [2021-03-24 19:36:50,552 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 07:36:50" (1/1) ... [2021-03-24 19:36:50,555 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 07:36:50" (1/1) ... [2021-03-24 19:36:50,559 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-24 19:36:50,560 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-24 19:36:50,560 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-24 19:36:50,560 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-24 19:36:50,561 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 07:36:50" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-24 19:36:50,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-24 19:36:50,620 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-03-24 19:36:50,621 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-24 19:36:50,622 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-24 19:36:50,622 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-03-24 19:36:50,622 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-03-24 19:36:50,623 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-03-24 19:36:50,623 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-03-24 19:36:50,624 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-03-24 19:36:50,624 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-03-24 19:36:50,624 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-03-24 19:36:50,624 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-03-24 19:36:50,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-03-24 19:36:50,624 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-03-24 19:36:50,624 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-24 19:36:50,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-24 19:36:50,626 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-24 19:36:52,245 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-24 19:36:52,245 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-03-24 19:36:52,248 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.03 07:36:52 BoogieIcfgContainer [2021-03-24 19:36:52,248 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-24 19:36:52,249 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-24 19:36:52,249 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-24 19:36:52,252 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-24 19:36:52,252 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.03 07:36:49" (1/3) ... [2021-03-24 19:36:52,253 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bbb14df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.03 07:36:52, skipping insertion in model container [2021-03-24 19:36:52,253 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 07:36:50" (2/3) ... [2021-03-24 19:36:52,253 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bbb14df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.03 07:36:52, skipping insertion in model container [2021-03-24 19:36:52,253 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.03 07:36:52" (3/3) ... [2021-03-24 19:36:52,254 INFO L111 eAbstractionObserver]: Analyzing ICFG mix030_pso.opt.i [2021-03-24 19:36:52,260 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-24 19:36:52,264 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-03-24 19:36:52,264 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-24 19:36:52,300 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:36:52,300 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:36:52,300 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:36:52,300 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:36:52,300 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:36:52,301 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:36:52,301 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:36:52,301 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:36:52,301 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:36:52,301 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:36:52,301 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:36:52,302 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:36:52,302 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:36:52,302 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:36:52,303 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:36:52,303 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:36:52,303 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:36:52,303 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:36:52,303 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:36:52,303 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:36:52,303 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:36:52,304 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:36:52,304 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:36:52,304 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:36:52,305 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:36:52,305 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:36:52,305 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:36:52,305 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:36:52,306 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:36:52,306 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:36:52,306 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:36:52,306 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:36:52,306 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:36:52,307 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:36:52,307 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:36:52,307 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:36:52,308 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:36:52,308 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:36:52,309 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:36:52,309 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:36:52,309 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:36:52,309 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:36:52,309 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:36:52,309 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:36:52,309 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:36:52,309 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:36:52,310 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:36:52,310 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:36:52,310 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:36:52,310 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:36:52,310 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:36:52,310 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:36:52,311 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:36:52,311 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:36:52,311 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:36:52,311 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:36:52,311 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:36:52,311 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:36:52,312 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:36:52,312 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:36:52,312 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:36:52,312 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:36:52,312 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:36:52,313 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:36:52,313 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:36:52,313 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:36:52,313 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:36:52,313 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:36:52,314 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:36:52,315 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:36:52,315 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:36:52,315 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:36:52,315 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:36:52,316 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:36:52,316 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:36:52,316 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:36:52,317 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:36:52,317 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:36:52,317 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:36:52,317 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:36:52,317 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:36:52,317 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:36:52,318 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:36:52,318 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:36:52,318 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:36:52,318 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:36:52,318 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:36:52,319 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:36:52,319 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:36:52,319 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:36:52,319 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:36:52,320 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:36:52,320 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:36:52,320 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:36:52,320 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:36:52,321 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:36:52,321 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:36:52,321 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:36:52,323 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:36:52,327 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:36:52,327 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:36:52,328 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:36:52,328 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:36:52,333 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:36:52,334 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:36:52,334 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:36:52,335 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:36:52,335 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:36:52,335 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:36:52,335 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:36:52,337 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:36:52,337 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:36:52,337 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:36:52,337 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:36:52,338 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:36:52,338 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:36:52,338 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:36:52,338 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:36:52,338 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:36:52,338 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:36:52,340 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:36:52,340 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:36:52,340 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:36:52,340 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:36:52,341 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:36:52,342 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:36:52,342 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:36:52,342 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:36:52,342 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:36:52,342 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:36:52,342 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:36:52,343 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:36:52,343 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:36:52,343 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 19:36:52,344 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-03-24 19:36:52,361 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-03-24 19:36:52,389 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-24 19:36:52,389 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-24 19:36:52,389 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-24 19:36:52,390 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-24 19:36:52,390 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-24 19:36:52,390 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-24 19:36:52,390 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-24 19:36:52,390 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-24 19:36:52,403 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 126 places, 115 transitions, 250 flow [2021-03-24 19:36:52,453 INFO L129 PetriNetUnfolder]: 2/111 cut-off events. [2021-03-24 19:36:52,453 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-24 19:36:52,466 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 84 event pairs, 0 based on Foata normal form. 0/107 useless extension candidates. Maximal degree in co-relation 76. Up to 2 conditions per place. [2021-03-24 19:36:52,466 INFO L82 GeneralOperation]: Start removeDead. Operand has 126 places, 115 transitions, 250 flow [2021-03-24 19:36:52,472 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 122 places, 111 transitions, 234 flow [2021-03-24 19:36:52,473 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-24 19:36:52,489 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 122 places, 111 transitions, 234 flow [2021-03-24 19:36:52,492 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 122 places, 111 transitions, 234 flow [2021-03-24 19:36:52,496 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 122 places, 111 transitions, 234 flow [2021-03-24 19:36:52,531 INFO L129 PetriNetUnfolder]: 2/111 cut-off events. [2021-03-24 19:36:52,531 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-24 19:36:52,532 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 76. Up to 2 conditions per place. [2021-03-24 19:36:52,537 INFO L142 LiptonReduction]: Number of co-enabled transitions 2630 [2021-03-24 19:36:54,977 WARN L205 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 230 DAG size of output: 189 [2021-03-24 19:36:55,302 WARN L205 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2021-03-24 19:36:56,771 WARN L205 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 315 DAG size of output: 270 [2021-03-24 19:36:57,372 WARN L205 SmtUtils]: Spent 592.00 ms on a formula simplification that was a NOOP. DAG size: 267 [2021-03-24 19:36:57,715 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2021-03-24 19:36:58,137 WARN L205 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 81 [2021-03-24 19:36:58,252 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-03-24 19:36:59,398 WARN L205 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2021-03-24 19:36:59,713 WARN L205 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2021-03-24 19:37:00,384 WARN L205 SmtUtils]: Spent 645.00 ms on a formula simplification that was a NOOP. DAG size: 268 [2021-03-24 19:37:01,006 WARN L205 SmtUtils]: Spent 620.00 ms on a formula simplification that was a NOOP. DAG size: 268 [2021-03-24 19:37:01,704 INFO L154 LiptonReduction]: Checked pairs total: 5123 [2021-03-24 19:37:01,704 INFO L156 LiptonReduction]: Total number of compositions: 75 [2021-03-24 19:37:01,706 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 9234 [2021-03-24 19:37:01,717 INFO L129 PetriNetUnfolder]: 0/18 cut-off events. [2021-03-24 19:37:01,717 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-24 19:37:01,718 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 19:37:01,718 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 19:37:01,718 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 19:37:01,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 19:37:01,730 INFO L82 PathProgramCache]: Analyzing trace with hash 1005604732, now seen corresponding path program 1 times [2021-03-24 19:37:01,737 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 19:37:01,737 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [519648721] [2021-03-24 19:37:01,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 19:37:01,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 19:37:01,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:37:01,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 19:37:01,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:37:01,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 19:37:01,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 19:37:01,974 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [519648721] [2021-03-24 19:37:01,975 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 19:37:01,975 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-24 19:37:01,976 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [604213789] [2021-03-24 19:37:01,984 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-24 19:37:01,984 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 19:37:01,993 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-24 19:37:01,994 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-24 19:37:01,996 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 167 out of 190 [2021-03-24 19:37:01,999 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 44 transitions, 100 flow. Second operand has 3 states, 3 states have (on average 167.66666666666666) internal successors, (503), 3 states have internal predecessors, (503), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:37:01,999 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 19:37:01,999 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 167 of 190 [2021-03-24 19:37:02,000 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 19:37:02,112 INFO L129 PetriNetUnfolder]: 69/214 cut-off events. [2021-03-24 19:37:02,112 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-24 19:37:02,114 INFO L84 FinitePrefix]: Finished finitePrefix Result has 345 conditions, 214 events. 69/214 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 1046 event pairs, 39 based on Foata normal form. 10/202 useless extension candidates. Maximal degree in co-relation 327. Up to 89 conditions per place. [2021-03-24 19:37:02,116 INFO L132 encePairwiseOnDemand]: 186/190 looper letters, 9 selfloop transitions, 2 changer transitions 6/46 dead transitions. [2021-03-24 19:37:02,116 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 56 places, 46 transitions, 130 flow [2021-03-24 19:37:02,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-24 19:37:02,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-24 19:37:02,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 517 transitions. [2021-03-24 19:37:02,133 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.9070175438596492 [2021-03-24 19:37:02,134 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 517 transitions. [2021-03-24 19:37:02,134 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 517 transitions. [2021-03-24 19:37:02,137 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 19:37:02,139 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 517 transitions. [2021-03-24 19:37:02,144 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 172.33333333333334) internal successors, (517), 3 states have internal predecessors, (517), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:37:02,158 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 190.0) internal successors, (760), 4 states have internal predecessors, (760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:37:02,159 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 190.0) internal successors, (760), 4 states have internal predecessors, (760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:37:02,161 INFO L185 Difference]: Start difference. First operand has 56 places, 44 transitions, 100 flow. Second operand 3 states and 517 transitions. [2021-03-24 19:37:02,161 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 56 places, 46 transitions, 130 flow [2021-03-24 19:37:02,163 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 46 transitions, 126 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-03-24 19:37:02,165 INFO L241 Difference]: Finished difference. Result has 52 places, 36 transitions, 84 flow [2021-03-24 19:37:02,167 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=190, PETRI_DIFFERENCE_MINUEND_FLOW=90, PETRI_DIFFERENCE_MINUEND_PLACES=50, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=84, PETRI_PLACES=52, PETRI_TRANSITIONS=36} [2021-03-24 19:37:02,168 INFO L343 CegarLoopForPetriNet]: 56 programPoint places, -4 predicate places. [2021-03-24 19:37:02,168 INFO L480 AbstractCegarLoop]: Abstraction has has 52 places, 36 transitions, 84 flow [2021-03-24 19:37:02,168 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 167.66666666666666) internal successors, (503), 3 states have internal predecessors, (503), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:37:02,169 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 19:37:02,172 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 19:37:02,172 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-24 19:37:02,172 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 19:37:02,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 19:37:02,174 INFO L82 PathProgramCache]: Analyzing trace with hash -614472852, now seen corresponding path program 1 times [2021-03-24 19:37:02,175 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 19:37:02,175 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1998066219] [2021-03-24 19:37:02,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 19:37:02,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 19:37:02,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:37:02,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 19:37:02,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:37:02,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 19:37:02,307 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 19:37:02,307 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1998066219] [2021-03-24 19:37:02,307 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 19:37:02,307 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-24 19:37:02,307 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [127329285] [2021-03-24 19:37:02,308 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-24 19:37:02,309 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 19:37:02,309 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-24 19:37:02,309 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-24 19:37:02,311 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 169 out of 190 [2021-03-24 19:37:02,312 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 52 places, 36 transitions, 84 flow. Second operand has 4 states, 4 states have (on average 169.75) internal successors, (679), 4 states have internal predecessors, (679), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:37:02,312 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 19:37:02,312 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 169 of 190 [2021-03-24 19:37:02,312 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 19:37:02,341 INFO L129 PetriNetUnfolder]: 0/41 cut-off events. [2021-03-24 19:37:02,342 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-24 19:37:02,342 INFO L84 FinitePrefix]: Finished finitePrefix Result has 60 conditions, 41 events. 0/41 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 48 event pairs, 0 based on Foata normal form. 2/42 useless extension candidates. Maximal degree in co-relation 0. Up to 4 conditions per place. [2021-03-24 19:37:02,343 INFO L132 encePairwiseOnDemand]: 186/190 looper letters, 2 selfloop transitions, 2 changer transitions 3/38 dead transitions. [2021-03-24 19:37:02,343 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 38 transitions, 100 flow [2021-03-24 19:37:02,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-24 19:37:02,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-24 19:37:02,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 853 transitions. [2021-03-24 19:37:02,345 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8978947368421053 [2021-03-24 19:37:02,345 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 853 transitions. [2021-03-24 19:37:02,345 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 853 transitions. [2021-03-24 19:37:02,346 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 19:37:02,346 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 853 transitions. [2021-03-24 19:37:02,348 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 170.6) internal successors, (853), 5 states have internal predecessors, (853), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:37:02,350 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 190.0) internal successors, (1140), 6 states have internal predecessors, (1140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:37:02,351 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 190.0) internal successors, (1140), 6 states have internal predecessors, (1140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:37:02,351 INFO L185 Difference]: Start difference. First operand has 52 places, 36 transitions, 84 flow. Second operand 5 states and 853 transitions. [2021-03-24 19:37:02,351 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 51 places, 38 transitions, 100 flow [2021-03-24 19:37:02,352 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 38 transitions, 96 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-24 19:37:02,353 INFO L241 Difference]: Finished difference. Result has 52 places, 35 transitions, 90 flow [2021-03-24 19:37:02,353 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=190, PETRI_DIFFERENCE_MINUEND_FLOW=80, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=90, PETRI_PLACES=52, PETRI_TRANSITIONS=35} [2021-03-24 19:37:02,353 INFO L343 CegarLoopForPetriNet]: 56 programPoint places, -4 predicate places. [2021-03-24 19:37:02,354 INFO L480 AbstractCegarLoop]: Abstraction has has 52 places, 35 transitions, 90 flow [2021-03-24 19:37:02,354 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 169.75) internal successors, (679), 4 states have internal predecessors, (679), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:37:02,354 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 19:37:02,354 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 19:37:02,354 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-24 19:37:02,354 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 19:37:02,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 19:37:02,355 INFO L82 PathProgramCache]: Analyzing trace with hash -2098240474, now seen corresponding path program 1 times [2021-03-24 19:37:02,355 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 19:37:02,355 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1725610411] [2021-03-24 19:37:02,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 19:37:02,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 19:37:02,588 INFO L142 QuantifierPusher]: treesize reduction 17, result has 66.7 percent of original size [2021-03-24 19:37:02,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-24 19:37:02,616 INFO L142 QuantifierPusher]: treesize reduction 14, result has 74.5 percent of original size [2021-03-24 19:37:02,617 INFO L147 QuantifierPusher]: treesize reduction 4, result has 90.2 percent of original size 37 [2021-03-24 19:37:02,649 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.9 percent of original size [2021-03-24 19:37:02,652 INFO L147 QuantifierPusher]: treesize reduction 4, result has 90.9 percent of original size 40 [2021-03-24 19:37:02,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:37:02,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-24 19:37:02,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:37:02,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 19:37:02,706 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 19:37:02,706 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1725610411] [2021-03-24 19:37:02,706 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 19:37:02,706 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-24 19:37:02,707 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [458397149] [2021-03-24 19:37:02,707 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-24 19:37:02,707 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 19:37:02,708 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-24 19:37:02,708 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-03-24 19:37:02,710 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 150 out of 190 [2021-03-24 19:37:02,712 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 52 places, 35 transitions, 90 flow. Second operand has 7 states, 7 states have (on average 150.85714285714286) internal successors, (1056), 7 states have internal predecessors, (1056), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:37:02,712 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 19:37:02,712 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 150 of 190 [2021-03-24 19:37:02,712 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 19:37:02,927 INFO L129 PetriNetUnfolder]: 133/289 cut-off events. [2021-03-24 19:37:02,927 INFO L130 PetriNetUnfolder]: For 75/83 co-relation queries the response was YES. [2021-03-24 19:37:02,930 INFO L84 FinitePrefix]: Finished finitePrefix Result has 581 conditions, 289 events. 133/289 cut-off events. For 75/83 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 1325 event pairs, 18 based on Foata normal form. 24/300 useless extension candidates. Maximal degree in co-relation 560. Up to 143 conditions per place. [2021-03-24 19:37:02,933 INFO L132 encePairwiseOnDemand]: 180/190 looper letters, 12 selfloop transitions, 9 changer transitions 13/58 dead transitions. [2021-03-24 19:37:02,934 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 56 places, 58 transitions, 208 flow [2021-03-24 19:37:02,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-24 19:37:02,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-24 19:37:02,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1237 transitions. [2021-03-24 19:37:02,938 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8138157894736842 [2021-03-24 19:37:02,938 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1237 transitions. [2021-03-24 19:37:02,938 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1237 transitions. [2021-03-24 19:37:02,939 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 19:37:02,939 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1237 transitions. [2021-03-24 19:37:02,941 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 154.625) internal successors, (1237), 8 states have internal predecessors, (1237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:37:02,944 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 190.0) internal successors, (1710), 9 states have internal predecessors, (1710), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:37:02,945 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 190.0) internal successors, (1710), 9 states have internal predecessors, (1710), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:37:02,945 INFO L185 Difference]: Start difference. First operand has 52 places, 35 transitions, 90 flow. Second operand 8 states and 1237 transitions. [2021-03-24 19:37:02,945 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 56 places, 58 transitions, 208 flow [2021-03-24 19:37:02,948 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 58 transitions, 200 flow, removed 2 selfloop flow, removed 4 redundant places. [2021-03-24 19:37:02,949 INFO L241 Difference]: Finished difference. Result has 57 places, 40 transitions, 146 flow [2021-03-24 19:37:02,950 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=190, PETRI_DIFFERENCE_MINUEND_FLOW=82, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=146, PETRI_PLACES=57, PETRI_TRANSITIONS=40} [2021-03-24 19:37:02,950 INFO L343 CegarLoopForPetriNet]: 56 programPoint places, 1 predicate places. [2021-03-24 19:37:02,950 INFO L480 AbstractCegarLoop]: Abstraction has has 57 places, 40 transitions, 146 flow [2021-03-24 19:37:02,951 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 150.85714285714286) internal successors, (1056), 7 states have internal predecessors, (1056), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:37:02,951 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 19:37:02,951 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 19:37:02,951 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-24 19:37:02,951 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 19:37:02,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 19:37:02,952 INFO L82 PathProgramCache]: Analyzing trace with hash -1176742650, now seen corresponding path program 1 times [2021-03-24 19:37:02,952 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 19:37:02,952 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [233307881] [2021-03-24 19:37:02,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 19:37:02,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 19:37:03,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:37:03,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 19:37:03,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:37:03,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 19:37:03,020 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 19:37:03,021 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [233307881] [2021-03-24 19:37:03,021 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 19:37:03,021 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-24 19:37:03,021 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1715049115] [2021-03-24 19:37:03,021 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-24 19:37:03,022 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 19:37:03,022 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-24 19:37:03,022 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-24 19:37:03,023 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 166 out of 190 [2021-03-24 19:37:03,024 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 40 transitions, 146 flow. Second operand has 4 states, 4 states have (on average 166.75) internal successors, (667), 4 states have internal predecessors, (667), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:37:03,024 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 19:37:03,024 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 166 of 190 [2021-03-24 19:37:03,024 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 19:37:03,095 INFO L129 PetriNetUnfolder]: 166/358 cut-off events. [2021-03-24 19:37:03,096 INFO L130 PetriNetUnfolder]: For 518/573 co-relation queries the response was YES. [2021-03-24 19:37:03,097 INFO L84 FinitePrefix]: Finished finitePrefix Result has 982 conditions, 358 events. 166/358 cut-off events. For 518/573 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 1770 event pairs, 84 based on Foata normal form. 24/346 useless extension candidates. Maximal degree in co-relation 957. Up to 201 conditions per place. [2021-03-24 19:37:03,100 INFO L132 encePairwiseOnDemand]: 185/190 looper letters, 5 selfloop transitions, 3 changer transitions 6/48 dead transitions. [2021-03-24 19:37:03,100 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 48 transitions, 201 flow [2021-03-24 19:37:03,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-24 19:37:03,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-24 19:37:03,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 844 transitions. [2021-03-24 19:37:03,102 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.888421052631579 [2021-03-24 19:37:03,103 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 844 transitions. [2021-03-24 19:37:03,103 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 844 transitions. [2021-03-24 19:37:03,103 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 19:37:03,103 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 844 transitions. [2021-03-24 19:37:03,105 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 168.8) internal successors, (844), 5 states have internal predecessors, (844), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:37:03,107 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 190.0) internal successors, (1140), 6 states have internal predecessors, (1140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:37:03,107 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 190.0) internal successors, (1140), 6 states have internal predecessors, (1140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:37:03,107 INFO L185 Difference]: Start difference. First operand has 57 places, 40 transitions, 146 flow. Second operand 5 states and 844 transitions. [2021-03-24 19:37:03,107 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 48 transitions, 201 flow [2021-03-24 19:37:03,109 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 53 places, 48 transitions, 186 flow, removed 2 selfloop flow, removed 5 redundant places. [2021-03-24 19:37:03,110 INFO L241 Difference]: Finished difference. Result has 56 places, 42 transitions, 161 flow [2021-03-24 19:37:03,110 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=190, PETRI_DIFFERENCE_MINUEND_FLOW=132, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=161, PETRI_PLACES=56, PETRI_TRANSITIONS=42} [2021-03-24 19:37:03,111 INFO L343 CegarLoopForPetriNet]: 56 programPoint places, 0 predicate places. [2021-03-24 19:37:03,111 INFO L480 AbstractCegarLoop]: Abstraction has has 56 places, 42 transitions, 161 flow [2021-03-24 19:37:03,111 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 166.75) internal successors, (667), 4 states have internal predecessors, (667), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:37:03,111 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 19:37:03,111 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 19:37:03,111 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-24 19:37:03,111 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 19:37:03,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 19:37:03,112 INFO L82 PathProgramCache]: Analyzing trace with hash -835058261, now seen corresponding path program 1 times [2021-03-24 19:37:03,112 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 19:37:03,112 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [971790013] [2021-03-24 19:37:03,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 19:37:03,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 19:37:03,211 INFO L142 QuantifierPusher]: treesize reduction 40, result has 21.6 percent of original size [2021-03-24 19:37:03,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 19:37:03,221 INFO L142 QuantifierPusher]: treesize reduction 40, result has 25.9 percent of original size [2021-03-24 19:37:03,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 19:37:03,242 INFO L142 QuantifierPusher]: treesize reduction 40, result has 29.8 percent of original size [2021-03-24 19:37:03,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 19:37:03,258 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.4 percent of original size [2021-03-24 19:37:03,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-24 19:37:03,283 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.4 percent of original size [2021-03-24 19:37:03,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-24 19:37:03,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:37:03,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 19:37:03,320 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 19:37:03,321 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [971790013] [2021-03-24 19:37:03,321 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 19:37:03,321 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-24 19:37:03,321 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1176626393] [2021-03-24 19:37:03,322 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-24 19:37:03,322 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 19:37:03,322 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-24 19:37:03,322 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-03-24 19:37:03,324 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 150 out of 190 [2021-03-24 19:37:03,325 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 42 transitions, 161 flow. Second operand has 8 states, 8 states have (on average 150.875) internal successors, (1207), 8 states have internal predecessors, (1207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:37:03,325 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 19:37:03,325 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 150 of 190 [2021-03-24 19:37:03,325 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 19:37:03,647 INFO L129 PetriNetUnfolder]: 262/530 cut-off events. [2021-03-24 19:37:03,648 INFO L130 PetriNetUnfolder]: For 699/1040 co-relation queries the response was YES. [2021-03-24 19:37:03,650 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1729 conditions, 530 events. 262/530 cut-off events. For 699/1040 co-relation queries the response was YES. Maximal size of possible extension queue 60. Compared 2829 event pairs, 25 based on Foata normal form. 45/529 useless extension candidates. Maximal degree in co-relation 1702. Up to 295 conditions per place. [2021-03-24 19:37:03,654 INFO L132 encePairwiseOnDemand]: 181/190 looper letters, 13 selfloop transitions, 10 changer transitions 10/59 dead transitions. [2021-03-24 19:37:03,654 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 59 transitions, 315 flow [2021-03-24 19:37:03,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-24 19:37:03,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-24 19:37:03,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1231 transitions. [2021-03-24 19:37:03,658 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8098684210526316 [2021-03-24 19:37:03,658 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1231 transitions. [2021-03-24 19:37:03,658 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1231 transitions. [2021-03-24 19:37:03,659 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 19:37:03,659 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1231 transitions. [2021-03-24 19:37:03,661 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 153.875) internal successors, (1231), 8 states have internal predecessors, (1231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:37:03,664 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 190.0) internal successors, (1710), 9 states have internal predecessors, (1710), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:37:03,665 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 190.0) internal successors, (1710), 9 states have internal predecessors, (1710), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:37:03,665 INFO L185 Difference]: Start difference. First operand has 56 places, 42 transitions, 161 flow. Second operand 8 states and 1231 transitions. [2021-03-24 19:37:03,665 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 59 transitions, 315 flow [2021-03-24 19:37:03,670 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 59 transitions, 310 flow, removed 1 selfloop flow, removed 2 redundant places. [2021-03-24 19:37:03,672 INFO L241 Difference]: Finished difference. Result has 62 places, 44 transitions, 211 flow [2021-03-24 19:37:03,672 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=190, PETRI_DIFFERENCE_MINUEND_FLOW=156, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=42, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=211, PETRI_PLACES=62, PETRI_TRANSITIONS=44} [2021-03-24 19:37:03,672 INFO L343 CegarLoopForPetriNet]: 56 programPoint places, 6 predicate places. [2021-03-24 19:37:03,672 INFO L480 AbstractCegarLoop]: Abstraction has has 62 places, 44 transitions, 211 flow [2021-03-24 19:37:03,673 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 150.875) internal successors, (1207), 8 states have internal predecessors, (1207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:37:03,673 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 19:37:03,673 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 19:37:03,673 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-03-24 19:37:03,673 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 19:37:03,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 19:37:03,674 INFO L82 PathProgramCache]: Analyzing trace with hash 1782792376, now seen corresponding path program 1 times [2021-03-24 19:37:03,674 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 19:37:03,674 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1741703997] [2021-03-24 19:37:03,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 19:37:03,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 19:37:03,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:37:03,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 19:37:03,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:37:03,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 19:37:03,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:37:03,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 19:37:03,846 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.4 percent of original size [2021-03-24 19:37:03,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-24 19:37:03,870 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.6 percent of original size [2021-03-24 19:37:03,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-24 19:37:03,897 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.8 percent of original size [2021-03-24 19:37:03,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-24 19:37:03,931 INFO L142 QuantifierPusher]: treesize reduction 20, result has 81.5 percent of original size [2021-03-24 19:37:03,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 88 [2021-03-24 19:37:03,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:37:03,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 19:37:03,967 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 19:37:03,967 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1741703997] [2021-03-24 19:37:03,967 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 19:37:03,968 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-24 19:37:03,968 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [575101076] [2021-03-24 19:37:03,968 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-24 19:37:03,968 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 19:37:03,968 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-24 19:37:03,969 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2021-03-24 19:37:03,970 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 145 out of 190 [2021-03-24 19:37:03,972 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 44 transitions, 211 flow. Second operand has 10 states, 10 states have (on average 146.1) internal successors, (1461), 10 states have internal predecessors, (1461), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:37:03,972 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 19:37:03,972 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 145 of 190 [2021-03-24 19:37:03,972 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 19:37:04,289 INFO L129 PetriNetUnfolder]: 252/515 cut-off events. [2021-03-24 19:37:04,289 INFO L130 PetriNetUnfolder]: For 1252/1995 co-relation queries the response was YES. [2021-03-24 19:37:04,292 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2175 conditions, 515 events. 252/515 cut-off events. For 1252/1995 co-relation queries the response was YES. Maximal size of possible extension queue 56. Compared 2767 event pairs, 33 based on Foata normal form. 22/501 useless extension candidates. Maximal degree in co-relation 2141. Up to 302 conditions per place. [2021-03-24 19:37:04,296 INFO L132 encePairwiseOnDemand]: 179/190 looper letters, 23 selfloop transitions, 15 changer transitions 5/67 dead transitions. [2021-03-24 19:37:04,296 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 68 places, 67 transitions, 483 flow [2021-03-24 19:37:04,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-24 19:37:04,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-24 19:37:04,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1337 transitions. [2021-03-24 19:37:04,300 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7818713450292397 [2021-03-24 19:37:04,300 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1337 transitions. [2021-03-24 19:37:04,300 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1337 transitions. [2021-03-24 19:37:04,301 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 19:37:04,301 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1337 transitions. [2021-03-24 19:37:04,303 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 148.55555555555554) internal successors, (1337), 9 states have internal predecessors, (1337), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:37:04,306 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 190.0) internal successors, (1900), 10 states have internal predecessors, (1900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:37:04,306 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 190.0) internal successors, (1900), 10 states have internal predecessors, (1900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:37:04,306 INFO L185 Difference]: Start difference. First operand has 62 places, 44 transitions, 211 flow. Second operand 9 states and 1337 transitions. [2021-03-24 19:37:04,306 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 68 places, 67 transitions, 483 flow [2021-03-24 19:37:04,310 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 62 places, 67 transitions, 421 flow, removed 21 selfloop flow, removed 6 redundant places. [2021-03-24 19:37:04,311 INFO L241 Difference]: Finished difference. Result has 67 places, 55 transitions, 329 flow [2021-03-24 19:37:04,311 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=190, PETRI_DIFFERENCE_MINUEND_FLOW=182, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=329, PETRI_PLACES=67, PETRI_TRANSITIONS=55} [2021-03-24 19:37:04,311 INFO L343 CegarLoopForPetriNet]: 56 programPoint places, 11 predicate places. [2021-03-24 19:37:04,312 INFO L480 AbstractCegarLoop]: Abstraction has has 67 places, 55 transitions, 329 flow [2021-03-24 19:37:04,313 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 146.1) internal successors, (1461), 10 states have internal predecessors, (1461), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:37:04,314 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 19:37:04,314 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 19:37:04,314 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-03-24 19:37:04,314 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 19:37:04,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 19:37:04,314 INFO L82 PathProgramCache]: Analyzing trace with hash 714165726, now seen corresponding path program 2 times [2021-03-24 19:37:04,314 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 19:37:04,315 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1939003615] [2021-03-24 19:37:04,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 19:37:04,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 19:37:04,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:37:04,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 19:37:04,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:37:04,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 19:37:04,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:37:04,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 19:37:04,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:37:04,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 19:37:04,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:37:04,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-24 19:37:04,466 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.7 percent of original size [2021-03-24 19:37:04,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-24 19:37:04,502 INFO L142 QuantifierPusher]: treesize reduction 11, result has 88.0 percent of original size [2021-03-24 19:37:04,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-03-24 19:37:04,549 INFO L142 QuantifierPusher]: treesize reduction 27, result has 70.3 percent of original size [2021-03-24 19:37:04,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-03-24 19:37:04,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:37:04,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 19:37:04,603 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 19:37:04,603 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1939003615] [2021-03-24 19:37:04,603 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 19:37:04,603 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-24 19:37:04,603 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [627941224] [2021-03-24 19:37:04,604 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-24 19:37:04,604 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 19:37:04,604 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-24 19:37:04,605 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2021-03-24 19:37:04,606 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 145 out of 190 [2021-03-24 19:37:04,608 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 67 places, 55 transitions, 329 flow. Second operand has 11 states, 11 states have (on average 145.9090909090909) internal successors, (1605), 11 states have internal predecessors, (1605), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:37:04,608 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 19:37:04,608 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 145 of 190 [2021-03-24 19:37:04,608 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 19:37:04,927 INFO L129 PetriNetUnfolder]: 268/547 cut-off events. [2021-03-24 19:37:04,927 INFO L130 PetriNetUnfolder]: For 2031/3600 co-relation queries the response was YES. [2021-03-24 19:37:04,931 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2613 conditions, 547 events. 268/547 cut-off events. For 2031/3600 co-relation queries the response was YES. Maximal size of possible extension queue 58. Compared 2918 event pairs, 31 based on Foata normal form. 41/555 useless extension candidates. Maximal degree in co-relation 2577. Up to 327 conditions per place. [2021-03-24 19:37:04,935 INFO L132 encePairwiseOnDemand]: 180/190 looper letters, 26 selfloop transitions, 20 changer transitions 5/76 dead transitions. [2021-03-24 19:37:04,935 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 74 places, 76 transitions, 637 flow [2021-03-24 19:37:04,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-24 19:37:04,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-24 19:37:04,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1480 transitions. [2021-03-24 19:37:04,939 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7789473684210526 [2021-03-24 19:37:04,939 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1480 transitions. [2021-03-24 19:37:04,939 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1480 transitions. [2021-03-24 19:37:04,940 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 19:37:04,940 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1480 transitions. [2021-03-24 19:37:04,943 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 148.0) internal successors, (1480), 10 states have internal predecessors, (1480), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:37:04,946 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 190.0) internal successors, (2090), 11 states have internal predecessors, (2090), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:37:04,947 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 190.0) internal successors, (2090), 11 states have internal predecessors, (2090), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:37:04,947 INFO L185 Difference]: Start difference. First operand has 67 places, 55 transitions, 329 flow. Second operand 10 states and 1480 transitions. [2021-03-24 19:37:04,947 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 74 places, 76 transitions, 637 flow [2021-03-24 19:37:04,951 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 69 places, 76 transitions, 582 flow, removed 21 selfloop flow, removed 5 redundant places. [2021-03-24 19:37:04,955 INFO L241 Difference]: Finished difference. Result has 72 places, 62 transitions, 430 flow [2021-03-24 19:37:04,955 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=190, PETRI_DIFFERENCE_MINUEND_FLOW=291, PETRI_DIFFERENCE_MINUEND_PLACES=60, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=55, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=430, PETRI_PLACES=72, PETRI_TRANSITIONS=62} [2021-03-24 19:37:04,955 INFO L343 CegarLoopForPetriNet]: 56 programPoint places, 16 predicate places. [2021-03-24 19:37:04,955 INFO L480 AbstractCegarLoop]: Abstraction has has 72 places, 62 transitions, 430 flow [2021-03-24 19:37:04,956 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 145.9090909090909) internal successors, (1605), 11 states have internal predecessors, (1605), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:37:04,956 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 19:37:04,956 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 19:37:04,956 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-03-24 19:37:04,956 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 19:37:04,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 19:37:04,957 INFO L82 PathProgramCache]: Analyzing trace with hash -480234120, now seen corresponding path program 1 times [2021-03-24 19:37:04,957 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 19:37:04,960 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1642928001] [2021-03-24 19:37:04,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 19:37:04,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 19:37:05,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:37:05,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 19:37:05,022 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-03-24 19:37:05,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 19:37:05,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:37:05,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 19:37:05,029 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 19:37:05,029 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1642928001] [2021-03-24 19:37:05,029 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 19:37:05,029 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-24 19:37:05,029 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1412111830] [2021-03-24 19:37:05,030 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-24 19:37:05,030 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 19:37:05,030 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-24 19:37:05,031 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-24 19:37:05,031 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 157 out of 190 [2021-03-24 19:37:05,032 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 72 places, 62 transitions, 430 flow. Second operand has 4 states, 4 states have (on average 157.75) internal successors, (631), 4 states have internal predecessors, (631), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:37:05,032 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 19:37:05,032 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 157 of 190 [2021-03-24 19:37:05,032 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 19:37:05,268 INFO L129 PetriNetUnfolder]: 744/1397 cut-off events. [2021-03-24 19:37:05,268 INFO L130 PetriNetUnfolder]: For 4330/5081 co-relation queries the response was YES. [2021-03-24 19:37:05,277 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5172 conditions, 1397 events. 744/1397 cut-off events. For 4330/5081 co-relation queries the response was YES. Maximal size of possible extension queue 184. Compared 9327 event pairs, 266 based on Foata normal form. 213/1476 useless extension candidates. Maximal degree in co-relation 5136. Up to 617 conditions per place. [2021-03-24 19:37:05,287 INFO L132 encePairwiseOnDemand]: 183/190 looper letters, 12 selfloop transitions, 10 changer transitions 0/75 dead transitions. [2021-03-24 19:37:05,288 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 74 places, 75 transitions, 500 flow [2021-03-24 19:37:05,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-24 19:37:05,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-24 19:37:05,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 807 transitions. [2021-03-24 19:37:05,290 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8494736842105263 [2021-03-24 19:37:05,290 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 807 transitions. [2021-03-24 19:37:05,290 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 807 transitions. [2021-03-24 19:37:05,291 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 19:37:05,291 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 807 transitions. [2021-03-24 19:37:05,292 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 161.4) internal successors, (807), 5 states have internal predecessors, (807), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:37:05,294 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 190.0) internal successors, (1140), 6 states have internal predecessors, (1140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:37:05,294 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 190.0) internal successors, (1140), 6 states have internal predecessors, (1140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:37:05,294 INFO L185 Difference]: Start difference. First operand has 72 places, 62 transitions, 430 flow. Second operand 5 states and 807 transitions. [2021-03-24 19:37:05,294 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 74 places, 75 transitions, 500 flow [2021-03-24 19:37:05,299 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 75 transitions, 454 flow, removed 13 selfloop flow, removed 6 redundant places. [2021-03-24 19:37:05,300 INFO L241 Difference]: Finished difference. Result has 71 places, 71 transitions, 467 flow [2021-03-24 19:37:05,300 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=190, PETRI_DIFFERENCE_MINUEND_FLOW=384, PETRI_DIFFERENCE_MINUEND_PLACES=64, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=62, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=56, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=467, PETRI_PLACES=71, PETRI_TRANSITIONS=71} [2021-03-24 19:37:05,301 INFO L343 CegarLoopForPetriNet]: 56 programPoint places, 15 predicate places. [2021-03-24 19:37:05,301 INFO L480 AbstractCegarLoop]: Abstraction has has 71 places, 71 transitions, 467 flow [2021-03-24 19:37:05,301 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 157.75) internal successors, (631), 4 states have internal predecessors, (631), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:37:05,301 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 19:37:05,301 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 19:37:05,301 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-03-24 19:37:05,302 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 19:37:05,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 19:37:05,302 INFO L82 PathProgramCache]: Analyzing trace with hash 322719087, now seen corresponding path program 1 times [2021-03-24 19:37:05,302 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 19:37:05,302 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [319516581] [2021-03-24 19:37:05,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 19:37:05,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 19:37:05,388 INFO L142 QuantifierPusher]: treesize reduction 30, result has 18.9 percent of original size [2021-03-24 19:37:05,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 19:37:05,394 INFO L142 QuantifierPusher]: treesize reduction 30, result has 25.0 percent of original size [2021-03-24 19:37:05,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 19:37:05,402 INFO L142 QuantifierPusher]: treesize reduction 30, result has 34.8 percent of original size [2021-03-24 19:37:05,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 19:37:05,414 INFO L142 QuantifierPusher]: treesize reduction 41, result has 66.9 percent of original size [2021-03-24 19:37:05,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 83 [2021-03-24 19:37:05,462 INFO L142 QuantifierPusher]: treesize reduction 41, result has 68.0 percent of original size [2021-03-24 19:37:05,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-03-24 19:37:05,523 INFO L142 QuantifierPusher]: treesize reduction 31, result has 60.3 percent of original size [2021-03-24 19:37:05,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 19:37:05,564 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.6 percent of original size [2021-03-24 19:37:05,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-24 19:37:05,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:37:05,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 19:37:05,604 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 19:37:05,605 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [319516581] [2021-03-24 19:37:05,605 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 19:37:05,605 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-24 19:37:05,605 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [687753557] [2021-03-24 19:37:05,605 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-24 19:37:05,605 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 19:37:05,606 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-24 19:37:05,606 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2021-03-24 19:37:05,607 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 142 out of 190 [2021-03-24 19:37:05,608 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 71 places, 71 transitions, 467 flow. Second operand has 10 states, 10 states have (on average 143.1) internal successors, (1431), 10 states have internal predecessors, (1431), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:37:05,608 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 19:37:05,608 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 142 of 190 [2021-03-24 19:37:05,608 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 19:37:06,094 INFO L129 PetriNetUnfolder]: 1065/2029 cut-off events. [2021-03-24 19:37:06,094 INFO L130 PetriNetUnfolder]: For 6955/9225 co-relation queries the response was YES. [2021-03-24 19:37:06,108 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8722 conditions, 2029 events. 1065/2029 cut-off events. For 6955/9225 co-relation queries the response was YES. Maximal size of possible extension queue 268. Compared 14760 event pairs, 238 based on Foata normal form. 138/1933 useless extension candidates. Maximal degree in co-relation 8683. Up to 1000 conditions per place. [2021-03-24 19:37:06,123 INFO L132 encePairwiseOnDemand]: 181/190 looper letters, 44 selfloop transitions, 16 changer transitions 0/93 dead transitions. [2021-03-24 19:37:06,123 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 79 places, 93 transitions, 797 flow [2021-03-24 19:37:06,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-24 19:37:06,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-24 19:37:06,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1309 transitions. [2021-03-24 19:37:06,126 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7654970760233918 [2021-03-24 19:37:06,126 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1309 transitions. [2021-03-24 19:37:06,127 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1309 transitions. [2021-03-24 19:37:06,127 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 19:37:06,127 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1309 transitions. [2021-03-24 19:37:06,130 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 145.44444444444446) internal successors, (1309), 9 states have internal predecessors, (1309), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:37:06,132 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 190.0) internal successors, (1900), 10 states have internal predecessors, (1900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:37:06,132 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 190.0) internal successors, (1900), 10 states have internal predecessors, (1900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:37:06,132 INFO L185 Difference]: Start difference. First operand has 71 places, 71 transitions, 467 flow. Second operand 9 states and 1309 transitions. [2021-03-24 19:37:06,132 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 79 places, 93 transitions, 797 flow [2021-03-24 19:37:06,144 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 78 places, 93 transitions, 792 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-24 19:37:06,148 INFO L241 Difference]: Finished difference. Result has 81 places, 80 transitions, 619 flow [2021-03-24 19:37:06,148 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=190, PETRI_DIFFERENCE_MINUEND_FLOW=462, PETRI_DIFFERENCE_MINUEND_PLACES=70, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=71, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=57, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=619, PETRI_PLACES=81, PETRI_TRANSITIONS=80} [2021-03-24 19:37:06,148 INFO L343 CegarLoopForPetriNet]: 56 programPoint places, 25 predicate places. [2021-03-24 19:37:06,148 INFO L480 AbstractCegarLoop]: Abstraction has has 81 places, 80 transitions, 619 flow [2021-03-24 19:37:06,149 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 143.1) internal successors, (1431), 10 states have internal predecessors, (1431), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:37:06,149 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 19:37:06,149 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 19:37:06,149 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-03-24 19:37:06,149 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 19:37:06,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 19:37:06,150 INFO L82 PathProgramCache]: Analyzing trace with hash 88254521, now seen corresponding path program 1 times [2021-03-24 19:37:06,150 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 19:37:06,150 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1436409420] [2021-03-24 19:37:06,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 19:37:06,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 19:37:06,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:37:06,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 19:37:06,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:37:06,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 19:37:06,207 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-03-24 19:37:06,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 19:37:06,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:37:06,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 19:37:06,218 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 19:37:06,218 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1436409420] [2021-03-24 19:37:06,218 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 19:37:06,219 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-24 19:37:06,219 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1231077688] [2021-03-24 19:37:06,219 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-24 19:37:06,219 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 19:37:06,220 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-24 19:37:06,220 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-24 19:37:06,221 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 157 out of 190 [2021-03-24 19:37:06,222 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 81 places, 80 transitions, 619 flow. Second operand has 5 states, 5 states have (on average 157.8) internal successors, (789), 5 states have internal predecessors, (789), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:37:06,222 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 19:37:06,222 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 157 of 190 [2021-03-24 19:37:06,222 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 19:37:06,488 INFO L129 PetriNetUnfolder]: 610/1327 cut-off events. [2021-03-24 19:37:06,488 INFO L130 PetriNetUnfolder]: For 6386/11418 co-relation queries the response was YES. [2021-03-24 19:37:06,498 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6050 conditions, 1327 events. 610/1327 cut-off events. For 6386/11418 co-relation queries the response was YES. Maximal size of possible extension queue 197. Compared 9997 event pairs, 118 based on Foata normal form. 587/1781 useless extension candidates. Maximal degree in co-relation 6009. Up to 735 conditions per place. [2021-03-24 19:37:06,507 INFO L132 encePairwiseOnDemand]: 183/190 looper letters, 12 selfloop transitions, 19 changer transitions 0/89 dead transitions. [2021-03-24 19:37:06,507 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 87 places, 89 transitions, 714 flow [2021-03-24 19:37:06,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 19:37:06,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 19:37:06,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1130 transitions. [2021-03-24 19:37:06,510 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.849624060150376 [2021-03-24 19:37:06,510 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1130 transitions. [2021-03-24 19:37:06,510 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1130 transitions. [2021-03-24 19:37:06,511 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 19:37:06,511 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1130 transitions. [2021-03-24 19:37:06,513 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 161.42857142857142) internal successors, (1130), 7 states have internal predecessors, (1130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:37:06,515 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 190.0) internal successors, (1520), 8 states have internal predecessors, (1520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:37:06,515 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 190.0) internal successors, (1520), 8 states have internal predecessors, (1520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:37:06,516 INFO L185 Difference]: Start difference. First operand has 81 places, 80 transitions, 619 flow. Second operand 7 states and 1130 transitions. [2021-03-24 19:37:06,516 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 87 places, 89 transitions, 714 flow [2021-03-24 19:37:06,525 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 82 places, 89 transitions, 678 flow, removed 10 selfloop flow, removed 5 redundant places. [2021-03-24 19:37:06,526 INFO L241 Difference]: Finished difference. Result has 85 places, 85 transitions, 682 flow [2021-03-24 19:37:06,527 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=190, PETRI_DIFFERENCE_MINUEND_FLOW=540, PETRI_DIFFERENCE_MINUEND_PLACES=76, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=76, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=61, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=682, PETRI_PLACES=85, PETRI_TRANSITIONS=85} [2021-03-24 19:37:06,527 INFO L343 CegarLoopForPetriNet]: 56 programPoint places, 29 predicate places. [2021-03-24 19:37:06,527 INFO L480 AbstractCegarLoop]: Abstraction has has 85 places, 85 transitions, 682 flow [2021-03-24 19:37:06,528 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 157.8) internal successors, (789), 5 states have internal predecessors, (789), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:37:06,528 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 19:37:06,528 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 19:37:06,528 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-03-24 19:37:06,528 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 19:37:06,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 19:37:06,528 INFO L82 PathProgramCache]: Analyzing trace with hash 1003295835, now seen corresponding path program 1 times [2021-03-24 19:37:06,528 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 19:37:06,530 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1187637020] [2021-03-24 19:37:06,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 19:37:06,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 19:37:06,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:37:06,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 19:37:06,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:37:06,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 19:37:06,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:37:06,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 19:37:06,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 19:37:06,589 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1187637020] [2021-03-24 19:37:06,590 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 19:37:06,590 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-24 19:37:06,590 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1202652301] [2021-03-24 19:37:06,590 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-24 19:37:06,590 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 19:37:06,590 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-24 19:37:06,591 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-24 19:37:06,591 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 166 out of 190 [2021-03-24 19:37:06,592 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 85 places, 85 transitions, 682 flow. Second operand has 4 states, 4 states have (on average 167.0) internal successors, (668), 4 states have internal predecessors, (668), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:37:06,592 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 19:37:06,592 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 166 of 190 [2021-03-24 19:37:06,592 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 19:37:06,885 INFO L129 PetriNetUnfolder]: 957/2039 cut-off events. [2021-03-24 19:37:06,885 INFO L130 PetriNetUnfolder]: For 11037/15653 co-relation queries the response was YES. [2021-03-24 19:37:06,900 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10552 conditions, 2039 events. 957/2039 cut-off events. For 11037/15653 co-relation queries the response was YES. Maximal size of possible extension queue 306. Compared 16464 event pairs, 190 based on Foata normal form. 108/1904 useless extension candidates. Maximal degree in co-relation 10511. Up to 1223 conditions per place. [2021-03-24 19:37:06,916 INFO L132 encePairwiseOnDemand]: 186/190 looper letters, 6 selfloop transitions, 5 changer transitions 1/89 dead transitions. [2021-03-24 19:37:06,917 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 89 places, 89 transitions, 752 flow [2021-03-24 19:37:06,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-24 19:37:06,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-24 19:37:06,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 841 transitions. [2021-03-24 19:37:06,919 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8852631578947369 [2021-03-24 19:37:06,919 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 841 transitions. [2021-03-24 19:37:06,919 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 841 transitions. [2021-03-24 19:37:06,919 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 19:37:06,919 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 841 transitions. [2021-03-24 19:37:06,921 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 168.2) internal successors, (841), 5 states have internal predecessors, (841), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:37:06,922 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 190.0) internal successors, (1140), 6 states have internal predecessors, (1140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:37:06,923 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 190.0) internal successors, (1140), 6 states have internal predecessors, (1140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:37:06,923 INFO L185 Difference]: Start difference. First operand has 85 places, 85 transitions, 682 flow. Second operand 5 states and 841 transitions. [2021-03-24 19:37:06,923 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 89 places, 89 transitions, 752 flow [2021-03-24 19:37:06,954 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 86 places, 89 transitions, 698 flow, removed 19 selfloop flow, removed 3 redundant places. [2021-03-24 19:37:06,956 INFO L241 Difference]: Finished difference. Result has 89 places, 87 transitions, 675 flow [2021-03-24 19:37:06,956 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=190, PETRI_DIFFERENCE_MINUEND_FLOW=630, PETRI_DIFFERENCE_MINUEND_PLACES=82, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=85, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=81, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=675, PETRI_PLACES=89, PETRI_TRANSITIONS=87} [2021-03-24 19:37:06,956 INFO L343 CegarLoopForPetriNet]: 56 programPoint places, 33 predicate places. [2021-03-24 19:37:06,956 INFO L480 AbstractCegarLoop]: Abstraction has has 89 places, 87 transitions, 675 flow [2021-03-24 19:37:06,968 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 167.0) internal successors, (668), 4 states have internal predecessors, (668), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:37:06,968 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 19:37:06,968 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 19:37:06,968 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-03-24 19:37:06,968 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 19:37:06,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 19:37:06,969 INFO L82 PathProgramCache]: Analyzing trace with hash 124343746, now seen corresponding path program 1 times [2021-03-24 19:37:06,969 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 19:37:06,969 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1789228545] [2021-03-24 19:37:06,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 19:37:07,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 19:37:07,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:37:07,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 19:37:07,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:37:07,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 19:37:07,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:37:07,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 19:37:07,038 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-03-24 19:37:07,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 19:37:07,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:37:07,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 19:37:07,047 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 19:37:07,048 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1789228545] [2021-03-24 19:37:07,048 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 19:37:07,048 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-24 19:37:07,048 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2046038583] [2021-03-24 19:37:07,049 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-24 19:37:07,049 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 19:37:07,049 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-24 19:37:07,049 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-03-24 19:37:07,050 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 157 out of 190 [2021-03-24 19:37:07,051 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 89 places, 87 transitions, 675 flow. Second operand has 6 states, 6 states have (on average 157.83333333333334) internal successors, (947), 6 states have internal predecessors, (947), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:37:07,051 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 19:37:07,051 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 157 of 190 [2021-03-24 19:37:07,052 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 19:37:07,345 INFO L129 PetriNetUnfolder]: 598/1338 cut-off events. [2021-03-24 19:37:07,346 INFO L130 PetriNetUnfolder]: For 8877/15916 co-relation queries the response was YES. [2021-03-24 19:37:07,355 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6627 conditions, 1338 events. 598/1338 cut-off events. For 8877/15916 co-relation queries the response was YES. Maximal size of possible extension queue 221. Compared 10421 event pairs, 27 based on Foata normal form. 933/2075 useless extension candidates. Maximal degree in co-relation 6584. Up to 764 conditions per place. [2021-03-24 19:37:07,361 INFO L132 encePairwiseOnDemand]: 183/190 looper letters, 7 selfloop transitions, 28 changer transitions 9/94 dead transitions. [2021-03-24 19:37:07,362 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 97 places, 94 transitions, 821 flow [2021-03-24 19:37:07,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-24 19:37:07,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-24 19:37:07,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1453 transitions. [2021-03-24 19:37:07,365 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8497076023391813 [2021-03-24 19:37:07,365 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1453 transitions. [2021-03-24 19:37:07,365 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1453 transitions. [2021-03-24 19:37:07,366 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 19:37:07,366 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1453 transitions. [2021-03-24 19:37:07,369 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 161.44444444444446) internal successors, (1453), 9 states have internal predecessors, (1453), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:37:07,371 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 190.0) internal successors, (1900), 10 states have internal predecessors, (1900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:37:07,371 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 190.0) internal successors, (1900), 10 states have internal predecessors, (1900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:37:07,371 INFO L185 Difference]: Start difference. First operand has 89 places, 87 transitions, 675 flow. Second operand 9 states and 1453 transitions. [2021-03-24 19:37:07,371 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 97 places, 94 transitions, 821 flow [2021-03-24 19:37:07,389 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 96 places, 94 transitions, 812 flow, removed 3 selfloop flow, removed 1 redundant places. [2021-03-24 19:37:07,391 INFO L241 Difference]: Finished difference. Result has 99 places, 85 transitions, 724 flow [2021-03-24 19:37:07,391 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=190, PETRI_DIFFERENCE_MINUEND_FLOW=608, PETRI_DIFFERENCE_MINUEND_PLACES=88, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=81, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=57, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=724, PETRI_PLACES=99, PETRI_TRANSITIONS=85} [2021-03-24 19:37:07,391 INFO L343 CegarLoopForPetriNet]: 56 programPoint places, 43 predicate places. [2021-03-24 19:37:07,391 INFO L480 AbstractCegarLoop]: Abstraction has has 99 places, 85 transitions, 724 flow [2021-03-24 19:37:07,391 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 157.83333333333334) internal successors, (947), 6 states have internal predecessors, (947), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:37:07,391 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 19:37:07,392 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 19:37:07,392 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-03-24 19:37:07,392 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 19:37:07,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 19:37:07,392 INFO L82 PathProgramCache]: Analyzing trace with hash 372688036, now seen corresponding path program 1 times [2021-03-24 19:37:07,392 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 19:37:07,392 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1658957416] [2021-03-24 19:37:07,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 19:37:07,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 19:37:07,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:37:07,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 19:37:07,458 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:37:07,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 19:37:07,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:37:07,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 19:37:07,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:37:07,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 19:37:07,476 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-03-24 19:37:07,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 19:37:07,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:37:07,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 19:37:07,485 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 19:37:07,485 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1658957416] [2021-03-24 19:37:07,485 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 19:37:07,485 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-24 19:37:07,487 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1916139606] [2021-03-24 19:37:07,487 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-24 19:37:07,488 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 19:37:07,488 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-24 19:37:07,488 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-24 19:37:07,489 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 157 out of 190 [2021-03-24 19:37:07,490 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 99 places, 85 transitions, 724 flow. Second operand has 7 states, 7 states have (on average 157.85714285714286) internal successors, (1105), 7 states have internal predecessors, (1105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:37:07,490 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 19:37:07,490 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 157 of 190 [2021-03-24 19:37:07,490 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 19:37:07,750 INFO L129 PetriNetUnfolder]: 509/1149 cut-off events. [2021-03-24 19:37:07,750 INFO L130 PetriNetUnfolder]: For 10864/18771 co-relation queries the response was YES. [2021-03-24 19:37:07,760 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6800 conditions, 1149 events. 509/1149 cut-off events. For 10864/18771 co-relation queries the response was YES. Maximal size of possible extension queue 221. Compared 9117 event pairs, 7 based on Foata normal form. 850/1807 useless extension candidates. Maximal degree in co-relation 6765. Up to 660 conditions per place. [2021-03-24 19:37:07,770 INFO L132 encePairwiseOnDemand]: 183/190 looper letters, 2 selfloop transitions, 33 changer transitions 4/88 dead transitions. [2021-03-24 19:37:07,770 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 105 places, 88 transitions, 832 flow [2021-03-24 19:37:07,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-24 19:37:07,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-24 19:37:07,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1768 transitions. [2021-03-24 19:37:07,775 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.845933014354067 [2021-03-24 19:37:07,775 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1768 transitions. [2021-03-24 19:37:07,775 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1768 transitions. [2021-03-24 19:37:07,776 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 19:37:07,776 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1768 transitions. [2021-03-24 19:37:07,778 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 160.72727272727272) internal successors, (1768), 11 states have internal predecessors, (1768), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:37:07,781 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 190.0) internal successors, (2280), 12 states have internal predecessors, (2280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:37:07,782 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 190.0) internal successors, (2280), 12 states have internal predecessors, (2280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:37:07,782 INFO L185 Difference]: Start difference. First operand has 99 places, 85 transitions, 724 flow. Second operand 11 states and 1768 transitions. [2021-03-24 19:37:07,782 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 105 places, 88 transitions, 832 flow [2021-03-24 19:37:07,852 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 92 places, 88 transitions, 657 flow, removed 57 selfloop flow, removed 13 redundant places. [2021-03-24 19:37:07,853 INFO L241 Difference]: Finished difference. Result has 95 places, 84 transitions, 617 flow [2021-03-24 19:37:07,854 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=190, PETRI_DIFFERENCE_MINUEND_FLOW=523, PETRI_DIFFERENCE_MINUEND_PLACES=82, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=83, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=32, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=50, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=617, PETRI_PLACES=95, PETRI_TRANSITIONS=84} [2021-03-24 19:37:07,854 INFO L343 CegarLoopForPetriNet]: 56 programPoint places, 39 predicate places. [2021-03-24 19:37:07,854 INFO L480 AbstractCegarLoop]: Abstraction has has 95 places, 84 transitions, 617 flow [2021-03-24 19:37:07,854 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 157.85714285714286) internal successors, (1105), 7 states have internal predecessors, (1105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:37:07,854 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 19:37:07,854 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 19:37:07,854 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-03-24 19:37:07,854 INFO L428 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 19:37:07,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 19:37:07,855 INFO L82 PathProgramCache]: Analyzing trace with hash -6459736, now seen corresponding path program 1 times [2021-03-24 19:37:07,855 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 19:37:07,855 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1003275766] [2021-03-24 19:37:07,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 19:37:07,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 19:37:07,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:37:07,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 19:37:07,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:37:07,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 19:37:07,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:37:07,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 19:37:07,923 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 19:37:07,923 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1003275766] [2021-03-24 19:37:07,923 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 19:37:07,923 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-24 19:37:07,923 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1221471735] [2021-03-24 19:37:07,924 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-24 19:37:07,924 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 19:37:07,924 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-24 19:37:07,924 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-24 19:37:07,925 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 167 out of 190 [2021-03-24 19:37:07,925 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 95 places, 84 transitions, 617 flow. Second operand has 4 states, 4 states have (on average 168.5) internal successors, (674), 4 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:37:07,925 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 19:37:07,925 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 167 of 190 [2021-03-24 19:37:07,925 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 19:37:08,156 INFO L129 PetriNetUnfolder]: 942/2096 cut-off events. [2021-03-24 19:37:08,157 INFO L130 PetriNetUnfolder]: For 12615/15155 co-relation queries the response was YES. [2021-03-24 19:37:08,173 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9139 conditions, 2096 events. 942/2096 cut-off events. For 12615/15155 co-relation queries the response was YES. Maximal size of possible extension queue 444. Compared 18723 event pairs, 7 based on Foata normal form. 72/1785 useless extension candidates. Maximal degree in co-relation 9097. Up to 600 conditions per place. [2021-03-24 19:37:08,183 INFO L132 encePairwiseOnDemand]: 186/190 looper letters, 6 selfloop transitions, 2 changer transitions 1/87 dead transitions. [2021-03-24 19:37:08,183 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 97 places, 87 transitions, 645 flow [2021-03-24 19:37:08,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-24 19:37:08,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-24 19:37:08,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 678 transitions. [2021-03-24 19:37:08,185 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8921052631578947 [2021-03-24 19:37:08,185 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 678 transitions. [2021-03-24 19:37:08,186 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 678 transitions. [2021-03-24 19:37:08,186 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 19:37:08,186 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 678 transitions. [2021-03-24 19:37:08,187 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 169.5) internal successors, (678), 4 states have internal predecessors, (678), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:37:08,188 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 190.0) internal successors, (950), 5 states have internal predecessors, (950), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:37:08,188 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 190.0) internal successors, (950), 5 states have internal predecessors, (950), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:37:08,188 INFO L185 Difference]: Start difference. First operand has 95 places, 84 transitions, 617 flow. Second operand 4 states and 678 transitions. [2021-03-24 19:37:08,188 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 97 places, 87 transitions, 645 flow [2021-03-24 19:37:08,398 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 86 places, 87 transitions, 524 flow, removed 30 selfloop flow, removed 11 redundant places. [2021-03-24 19:37:08,400 INFO L241 Difference]: Finished difference. Result has 88 places, 85 transitions, 510 flow [2021-03-24 19:37:08,400 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=190, PETRI_DIFFERENCE_MINUEND_FLOW=496, PETRI_DIFFERENCE_MINUEND_PLACES=83, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=84, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=82, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=510, PETRI_PLACES=88, PETRI_TRANSITIONS=85} [2021-03-24 19:37:08,400 INFO L343 CegarLoopForPetriNet]: 56 programPoint places, 32 predicate places. [2021-03-24 19:37:08,400 INFO L480 AbstractCegarLoop]: Abstraction has has 88 places, 85 transitions, 510 flow [2021-03-24 19:37:08,401 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 168.5) internal successors, (674), 4 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:37:08,401 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 19:37:08,401 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 19:37:08,401 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-03-24 19:37:08,401 INFO L428 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 19:37:08,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 19:37:08,403 INFO L82 PathProgramCache]: Analyzing trace with hash -1323260612, now seen corresponding path program 2 times [2021-03-24 19:37:08,403 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 19:37:08,403 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [734508454] [2021-03-24 19:37:08,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 19:37:08,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 19:37:08,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:37:08,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 19:37:08,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:37:08,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 19:37:08,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:37:08,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 19:37:08,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:37:08,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 19:37:08,491 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 19:37:08,492 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [734508454] [2021-03-24 19:37:08,492 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 19:37:08,492 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-24 19:37:08,492 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1115614861] [2021-03-24 19:37:08,493 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-24 19:37:08,493 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 19:37:08,493 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-24 19:37:08,493 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-03-24 19:37:08,494 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 165 out of 190 [2021-03-24 19:37:08,495 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 88 places, 85 transitions, 510 flow. Second operand has 5 states, 5 states have (on average 166.0) internal successors, (830), 5 states have internal predecessors, (830), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:37:08,495 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 19:37:08,495 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 165 of 190 [2021-03-24 19:37:08,495 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 19:37:08,904 INFO L129 PetriNetUnfolder]: 1708/3742 cut-off events. [2021-03-24 19:37:08,905 INFO L130 PetriNetUnfolder]: For 10269/12223 co-relation queries the response was YES. [2021-03-24 19:37:08,934 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13397 conditions, 3742 events. 1708/3742 cut-off events. For 10269/12223 co-relation queries the response was YES. Maximal size of possible extension queue 872. Compared 36479 event pairs, 15 based on Foata normal form. 114/3168 useless extension candidates. Maximal degree in co-relation 13372. Up to 1080 conditions per place. [2021-03-24 19:37:08,939 INFO L132 encePairwiseOnDemand]: 186/190 looper letters, 4 selfloop transitions, 1 changer transitions 15/87 dead transitions. [2021-03-24 19:37:08,939 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 91 places, 87 transitions, 534 flow [2021-03-24 19:37:08,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-24 19:37:08,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-24 19:37:08,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 833 transitions. [2021-03-24 19:37:08,942 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8768421052631579 [2021-03-24 19:37:08,942 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 833 transitions. [2021-03-24 19:37:08,942 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 833 transitions. [2021-03-24 19:37:08,943 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 19:37:08,943 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 833 transitions. [2021-03-24 19:37:08,945 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 166.6) internal successors, (833), 5 states have internal predecessors, (833), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:37:08,947 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 190.0) internal successors, (1140), 6 states have internal predecessors, (1140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:37:08,947 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 190.0) internal successors, (1140), 6 states have internal predecessors, (1140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:37:08,947 INFO L185 Difference]: Start difference. First operand has 88 places, 85 transitions, 510 flow. Second operand 5 states and 833 transitions. [2021-03-24 19:37:08,947 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 91 places, 87 transitions, 534 flow [2021-03-24 19:37:09,338 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 89 places, 87 transitions, 530 flow, removed 1 selfloop flow, removed 2 redundant places. [2021-03-24 19:37:09,340 INFO L241 Difference]: Finished difference. Result has 92 places, 72 transitions, 417 flow [2021-03-24 19:37:09,340 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=190, PETRI_DIFFERENCE_MINUEND_FLOW=506, PETRI_DIFFERENCE_MINUEND_PLACES=85, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=85, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=84, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=417, PETRI_PLACES=92, PETRI_TRANSITIONS=72} [2021-03-24 19:37:09,340 INFO L343 CegarLoopForPetriNet]: 56 programPoint places, 36 predicate places. [2021-03-24 19:37:09,340 INFO L480 AbstractCegarLoop]: Abstraction has has 92 places, 72 transitions, 417 flow [2021-03-24 19:37:09,340 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 166.0) internal successors, (830), 5 states have internal predecessors, (830), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:37:09,340 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 19:37:09,341 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 19:37:09,341 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-03-24 19:37:09,341 INFO L428 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 19:37:09,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 19:37:09,341 INFO L82 PathProgramCache]: Analyzing trace with hash 300101142, now seen corresponding path program 3 times [2021-03-24 19:37:09,341 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 19:37:09,341 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1071466179] [2021-03-24 19:37:09,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 19:37:09,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 19:37:09,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:37:09,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 19:37:09,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:37:09,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 19:37:09,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:37:09,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 19:37:09,458 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:37:09,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 19:37:09,470 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size [2021-03-24 19:37:09,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-24 19:37:09,492 INFO L142 QuantifierPusher]: treesize reduction 10, result has 82.5 percent of original size [2021-03-24 19:37:09,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-24 19:37:09,514 INFO L142 QuantifierPusher]: treesize reduction 10, result has 83.3 percent of original size [2021-03-24 19:37:09,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-24 19:37:09,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:37:09,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 19:37:09,555 INFO L142 QuantifierPusher]: treesize reduction 10, result has 82.8 percent of original size [2021-03-24 19:37:09,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-03-24 19:37:09,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:37:09,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 19:37:09,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 19:37:09,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 19:37:09,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 19:37:09,617 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1071466179] [2021-03-24 19:37:09,620 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 19:37:09,620 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-03-24 19:37:09,620 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1278312687] [2021-03-24 19:37:09,621 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-24 19:37:09,621 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 19:37:09,622 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-24 19:37:09,622 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2021-03-24 19:37:09,624 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 146 out of 190 [2021-03-24 19:37:09,625 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 92 places, 72 transitions, 417 flow. Second operand has 12 states, 12 states have (on average 147.08333333333334) internal successors, (1765), 12 states have internal predecessors, (1765), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:37:09,625 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 19:37:09,625 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 146 of 190 [2021-03-24 19:37:09,625 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 19:37:09,969 INFO L129 PetriNetUnfolder]: 525/1170 cut-off events. [2021-03-24 19:37:09,969 INFO L130 PetriNetUnfolder]: For 3211/3764 co-relation queries the response was YES. [2021-03-24 19:37:09,974 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4263 conditions, 1170 events. 525/1170 cut-off events. For 3211/3764 co-relation queries the response was YES. Maximal size of possible extension queue 242. Compared 8840 event pairs, 2 based on Foata normal form. 46/1030 useless extension candidates. Maximal degree in co-relation 4239. Up to 360 conditions per place. [2021-03-24 19:37:09,976 INFO L132 encePairwiseOnDemand]: 180/190 looper letters, 13 selfloop transitions, 7 changer transitions 10/80 dead transitions. [2021-03-24 19:37:09,976 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 95 places, 80 transitions, 551 flow [2021-03-24 19:37:09,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-24 19:37:09,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-24 19:37:09,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1483 transitions. [2021-03-24 19:37:09,980 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7805263157894737 [2021-03-24 19:37:09,980 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1483 transitions. [2021-03-24 19:37:09,980 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1483 transitions. [2021-03-24 19:37:09,982 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 19:37:09,982 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1483 transitions. [2021-03-24 19:37:09,986 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 148.3) internal successors, (1483), 10 states have internal predecessors, (1483), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:37:09,989 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 190.0) internal successors, (2090), 11 states have internal predecessors, (2090), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:37:09,990 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 190.0) internal successors, (2090), 11 states have internal predecessors, (2090), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:37:09,990 INFO L185 Difference]: Start difference. First operand has 92 places, 72 transitions, 417 flow. Second operand 10 states and 1483 transitions. [2021-03-24 19:37:09,990 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 95 places, 80 transitions, 551 flow [2021-03-24 19:37:10,025 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 87 places, 80 transitions, 506 flow, removed 19 selfloop flow, removed 8 redundant places. [2021-03-24 19:37:10,026 INFO L241 Difference]: Finished difference. Result has 91 places, 69 transitions, 399 flow [2021-03-24 19:37:10,026 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=190, PETRI_DIFFERENCE_MINUEND_FLOW=388, PETRI_DIFFERENCE_MINUEND_PLACES=78, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=72, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=65, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=399, PETRI_PLACES=91, PETRI_TRANSITIONS=69} [2021-03-24 19:37:10,026 INFO L343 CegarLoopForPetriNet]: 56 programPoint places, 35 predicate places. [2021-03-24 19:37:10,026 INFO L480 AbstractCegarLoop]: Abstraction has has 91 places, 69 transitions, 399 flow [2021-03-24 19:37:10,027 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 147.08333333333334) internal successors, (1765), 12 states have internal predecessors, (1765), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 19:37:10,027 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 19:37:10,027 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 19:37:10,027 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-03-24 19:37:10,027 INFO L428 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 19:37:10,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 19:37:10,028 INFO L82 PathProgramCache]: Analyzing trace with hash 1881480248, now seen corresponding path program 4 times [2021-03-24 19:37:10,028 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 19:37:10,028 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383482010] [2021-03-24 19:37:10,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 19:37:10,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-24 19:37:10,090 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-24 19:37:10,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-24 19:37:10,133 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-24 19:37:10,177 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-03-24 19:37:10,177 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-03-24 19:37:10,178 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-03-24 19:37:10,285 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.03 07:37:10 BasicIcfg [2021-03-24 19:37:10,286 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-24 19:37:10,286 INFO L168 Benchmark]: Toolchain (without parser) took 20449.00 ms. Allocated memory was 255.9 MB in the beginning and 763.4 MB in the end (delta: 507.5 MB). Free memory was 235.6 MB in the beginning and 640.4 MB in the end (delta: -404.7 MB). Peak memory consumption was 102.4 MB. Max. memory is 16.0 GB. [2021-03-24 19:37:10,286 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 255.9 MB. Free memory is still 237.7 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-03-24 19:37:10,287 INFO L168 Benchmark]: CACSL2BoogieTranslator took 588.50 ms. Allocated memory was 255.9 MB in the beginning and 333.4 MB in the end (delta: 77.6 MB). Free memory was 235.6 MB in the beginning and 293.3 MB in the end (delta: -57.6 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.0 GB. [2021-03-24 19:37:10,287 INFO L168 Benchmark]: Boogie Procedure Inliner took 84.21 ms. Allocated memory is still 333.4 MB. Free memory was 293.3 MB in the beginning and 290.4 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-24 19:37:10,288 INFO L168 Benchmark]: Boogie Preprocessor took 47.39 ms. Allocated memory is still 333.4 MB. Free memory was 290.4 MB in the beginning and 288.0 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-24 19:37:10,288 INFO L168 Benchmark]: RCFGBuilder took 1688.40 ms. Allocated memory was 333.4 MB in the beginning and 400.6 MB in the end (delta: 67.1 MB). Free memory was 288.0 MB in the beginning and 360.1 MB in the end (delta: -72.1 MB). Peak memory consumption was 62.6 MB. Max. memory is 16.0 GB. [2021-03-24 19:37:10,289 INFO L168 Benchmark]: TraceAbstraction took 18036.33 ms. Allocated memory was 400.6 MB in the beginning and 763.4 MB in the end (delta: 362.8 MB). Free memory was 360.1 MB in the beginning and 640.4 MB in the end (delta: -280.3 MB). Peak memory consumption was 82.5 MB. Max. memory is 16.0 GB. [2021-03-24 19:37:10,295 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 255.9 MB. Free memory is still 237.7 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 588.50 ms. Allocated memory was 255.9 MB in the beginning and 333.4 MB in the end (delta: 77.6 MB). Free memory was 235.6 MB in the beginning and 293.3 MB in the end (delta: -57.6 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 84.21 ms. Allocated memory is still 333.4 MB. Free memory was 293.3 MB in the beginning and 290.4 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 47.39 ms. Allocated memory is still 333.4 MB. Free memory was 290.4 MB in the beginning and 288.0 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 1688.40 ms. Allocated memory was 333.4 MB in the beginning and 400.6 MB in the end (delta: 67.1 MB). Free memory was 288.0 MB in the beginning and 360.1 MB in the end (delta: -72.1 MB). Peak memory consumption was 62.6 MB. Max. memory is 16.0 GB. * TraceAbstraction took 18036.33 ms. Allocated memory was 400.6 MB in the beginning and 763.4 MB in the end (delta: 362.8 MB). Free memory was 360.1 MB in the beginning and 640.4 MB in the end (delta: -280.3 MB). Peak memory consumption was 82.5 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 9211.8ms, 122 PlacesBefore, 56 PlacesAfterwards, 111 TransitionsBefore, 44 TransitionsAfterwards, 2630 CoEnabledTransitionPairs, 6 FixpointIterations, 32 TrivialSequentialCompositions, 40 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 2 ConcurrentYvCompositions, 1 ChoiceCompositions, 75 TotalNumberOfCompositions, 5123 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2573, positive: 2451, positive conditional: 0, positive unconditional: 2451, negative: 122, negative conditional: 0, negative unconditional: 122, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1692, positive: 1643, positive conditional: 0, positive unconditional: 1643, negative: 49, negative conditional: 0, negative unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1692, positive: 1643, positive conditional: 0, positive unconditional: 1643, negative: 49, negative conditional: 0, negative unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1692, positive: 1631, positive conditional: 0, positive unconditional: 1631, negative: 61, negative conditional: 0, negative unconditional: 61, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 61, positive: 12, positive conditional: 0, positive unconditional: 12, negative: 49, negative conditional: 0, negative unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 977, positive: 32, positive conditional: 0, positive unconditional: 32, negative: 945, negative conditional: 0, negative unconditional: 945, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2573, positive: 808, positive conditional: 0, positive unconditional: 808, negative: 73, negative conditional: 0, negative unconditional: 73, unknown: 1692, unknown conditional: 0, unknown unconditional: 1692] , Statistics on independence cache: Total cache size (in pairs): 233, Positive cache size: 211, Positive conditional cache size: 0, Positive unconditional cache size: 211, Negative cache size: 22, Negative conditional cache size: 0, Negative unconditional cache size: 22 - 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_p3_EAX = 0; [L714] 0 int __unbuffered_p3_EBX = 0; [L716] 0 int a = 0; [L717] 0 _Bool main$tmp_guard0; [L718] 0 _Bool main$tmp_guard1; [L720] 0 int x = 0; [L722] 0 int y = 0; [L723] 0 _Bool y$flush_delayed; [L724] 0 int y$mem_tmp; [L725] 0 _Bool y$r_buff0_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0] [L726] 0 _Bool y$r_buff0_thd1; [L727] 0 _Bool y$r_buff0_thd2; [L728] 0 _Bool y$r_buff0_thd3; VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0] [L729] 0 _Bool y$r_buff0_thd4; [L730] 0 _Bool y$r_buff1_thd0; [L731] 0 _Bool y$r_buff1_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0] [L732] 0 _Bool y$r_buff1_thd2; [L733] 0 _Bool y$r_buff1_thd3; VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0] [L734] 0 _Bool y$r_buff1_thd4; [L735] 0 _Bool y$read_delayed; [L736] 0 int *y$read_delayed_var; VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_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$read_delayed_var={0:0}] [L737] 0 int y$w_buff0; [L738] 0 _Bool y$w_buff0_used; [L739] 0 int y$w_buff1; VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$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$w_buff1=0] [L740] 0 _Bool y$w_buff1_used; [L742] 0 int z = 0; [L743] 0 _Bool weak$$choice0; [L744] 0 _Bool weak$$choice2; [L844] 0 pthread_t t813; [L845] FCALL, FORK 0 pthread_create(&t813, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=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] [L846] 0 pthread_t t814; [L847] FCALL, FORK 0 pthread_create(&t814, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=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] [L848] 0 pthread_t t815; [L849] FCALL, FORK 0 pthread_create(&t815, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=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] [L783] 3 y$w_buff1 = y$w_buff0 [L784] 3 y$w_buff0 = 2 [L785] 3 y$w_buff1_used = y$w_buff0_used [L786] 3 y$w_buff0_used = (_Bool)1 [L18] COND FALSE 3 !(!expression) [L788] 3 y$r_buff1_thd0 = y$r_buff0_thd0 [L789] 3 y$r_buff1_thd1 = y$r_buff0_thd1 [L790] 3 y$r_buff1_thd2 = y$r_buff0_thd2 [L791] 3 y$r_buff1_thd3 = y$r_buff0_thd3 [L792] 3 y$r_buff1_thd4 = y$r_buff0_thd4 [L793] 3 y$r_buff0_thd3 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, main$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$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=0] [L796] 3 z = 1 VAL [__unbuffered_cnt=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$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L850] 0 pthread_t t816; [L851] FCALL, FORK 0 pthread_create(&t816, ((void *)0), P3, ((void *)0)) VAL [__unbuffered_cnt=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$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L813] 4 z = 2 VAL [__unbuffered_cnt=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$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=2] [L816] 4 __unbuffered_p3_EAX = z VAL [__unbuffered_cnt=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$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=2] [L819] 4 __unbuffered_p3_EBX = a VAL [__unbuffered_cnt=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$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=2] [L748] 1 a = 1 VAL [__unbuffered_cnt=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$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=2] [L751] 1 x = 1 VAL [__unbuffered_cnt=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$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=2] [L756] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L758] 1 return 0; [L763] 2 x = 2 VAL [\result={0:0}, __unbuffered_cnt=1, __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$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=2] [L766] 2 y = 1 VAL [\result={0:0}, __unbuffered_cnt=1, __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=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$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=2] [L799] 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) [L799] 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) [L800] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used [L800] 3 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used [L801] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$w_buff1_used [L801] 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 [L802] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3 [L802] 3 y$r_buff0_thd3 = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3 [L803] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$r_buff1_thd3 [L803] 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 [L806] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L808] 3 return 0; [L769] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L769] EXPR 2 y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y [L769] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L769] 2 y = y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L770] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L770] 2 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L771] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L771] 2 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L772] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L772] 2 y$r_buff0_thd2 = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L773] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 [L773] 2 y$r_buff1_thd2 = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 [L776] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L778] 2 return 0; [L822] EXPR 4 y$w_buff0_used && y$r_buff0_thd4 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd4 ? y$w_buff1 : y) [L822] EXPR 4 y$w_buff1_used && y$r_buff1_thd4 ? y$w_buff1 : y [L822] 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) [L822] 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) [L823] EXPR 4 y$w_buff0_used && y$r_buff0_thd4 ? (_Bool)0 : y$w_buff0_used [L823] 4 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd4 ? (_Bool)0 : y$w_buff0_used [L824] EXPR 4 y$w_buff0_used && y$r_buff0_thd4 || y$w_buff1_used && y$r_buff1_thd4 ? (_Bool)0 : y$w_buff1_used [L824] 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 [L825] EXPR 4 y$w_buff0_used && y$r_buff0_thd4 ? (_Bool)0 : y$r_buff0_thd4 [L825] 4 y$r_buff0_thd4 = y$w_buff0_used && y$r_buff0_thd4 ? (_Bool)0 : y$r_buff0_thd4 [L826] EXPR 4 y$w_buff0_used && y$r_buff0_thd4 || y$w_buff1_used && y$r_buff1_thd4 ? (_Bool)0 : y$r_buff1_thd4 [L826] 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 [L829] 4 __unbuffered_cnt = __unbuffered_cnt + 1 [L831] 4 return 0; [L853] 0 main$tmp_guard0 = __unbuffered_cnt == 4 [L3] COND FALSE 0 !(!cond) [L857] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L857] EXPR 0 y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y [L857] 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) [L857] 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) [L858] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L858] 0 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L859] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L859] 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 [L860] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L860] 0 y$r_buff0_thd0 = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L861] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L861] 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 [L864] 0 weak$$choice0 = __VERIFIER_nondet_bool() [L865] 0 weak$$choice2 = __VERIFIER_nondet_bool() [L866] 0 y$flush_delayed = weak$$choice2 [L867] 0 y$mem_tmp = y [L868] EXPR 0 !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff1) [L868] 0 y = !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff1) [L869] EXPR 0 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff0)) [L869] 0 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff0)) [L870] EXPR 0 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff1 : y$w_buff1)) [L870] 0 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff1 : y$w_buff1)) [L871] EXPR 0 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used)) [L871] 0 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used)) [L872] EXPR 0 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L872] 0 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L873] EXPR 0 weak$$choice2 ? y$r_buff0_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff0_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0)) [L873] 0 y$r_buff0_thd0 = weak$$choice2 ? y$r_buff0_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff0_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0)) [L874] EXPR 0 weak$$choice2 ? y$r_buff1_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff1_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L874] 0 y$r_buff1_thd0 = weak$$choice2 ? y$r_buff1_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff1_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L875] 0 main$tmp_guard1 = !(x == 2 && y == 2 && z == 2 && __unbuffered_p3_EAX == 2 && __unbuffered_p3_EBX == 0) [L876] EXPR 0 y$flush_delayed ? y$mem_tmp : y [L876] 0 y = y$flush_delayed ? y$mem_tmp : y [L877] 0 y$flush_delayed = (_Bool)0 [L18] COND TRUE 0 !expression [L18] 0 reach_error() VAL [\result={0:0}, \result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=51, weak$$choice2=255, x=2, y=2, y$flush_delayed=0, y$mem_tmp=2, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$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$w_buff0=2, y$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: 6.1ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 17794.3ms, OverallIterations: 17, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 5516.1ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 9321.1ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 93 SDtfs, 118 SDslu, 131 SDs, 0 SdLazy, 698 SolverSat, 249 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 858.7ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 116 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 107 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 133 ImplicationChecksByTransitivity, 1375.0ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=724occurred in iteration=12, InterpolantAutomatonStates: 113, 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: 61.5ms SsaConstructionTime, 628.7ms SatisfiabilityAnalysisTime, 1898.7ms InterpolantComputationTime, 455 NumberOfCodeBlocks, 455 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 404 ConstructedInterpolants, 0 QuantifiedInterpolants, 2928 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 16 InterpolantComputations, 16 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...