/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-RepeatedSemanticLbeWithPredicates.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/mix023_rmo.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-6f4246e9f5583d222ebb38ff8175c901f3a528f0-6f4246e [2021-04-28 18:58:06,743 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-04-28 18:58:06,748 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-04-28 18:58:06,788 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-04-28 18:58:06,789 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-04-28 18:58:06,790 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-04-28 18:58:06,792 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-04-28 18:58:06,794 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-04-28 18:58:06,796 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-04-28 18:58:06,797 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-04-28 18:58:06,799 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-04-28 18:58:06,800 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-04-28 18:58:06,801 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-04-28 18:58:06,802 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-04-28 18:58:06,803 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-04-28 18:58:06,805 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-04-28 18:58:06,806 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-04-28 18:58:06,807 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-04-28 18:58:06,809 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-04-28 18:58:06,811 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-04-28 18:58:06,813 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-04-28 18:58:06,815 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-04-28 18:58:06,816 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-04-28 18:58:06,817 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-04-28 18:58:06,821 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-04-28 18:58:06,823 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-04-28 18:58:06,824 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-04-28 18:58:06,825 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-04-28 18:58:06,826 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-04-28 18:58:06,827 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-04-28 18:58:06,828 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-04-28 18:58:06,829 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-04-28 18:58:06,830 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-04-28 18:58:06,831 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-04-28 18:58:06,832 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-04-28 18:58:06,832 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-04-28 18:58:06,833 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-04-28 18:58:06,834 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-04-28 18:58:06,834 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-04-28 18:58:06,835 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-04-28 18:58:06,836 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-04-28 18:58:06,837 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-RepeatedSemanticLbeWithPredicates.epf [2021-04-28 18:58:06,871 INFO L113 SettingsManager]: Loading preferences was successful [2021-04-28 18:58:06,872 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-04-28 18:58:06,874 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-04-28 18:58:06,875 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-04-28 18:58:06,875 INFO L138 SettingsManager]: * Use SBE=true [2021-04-28 18:58:06,876 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-04-28 18:58:06,876 INFO L138 SettingsManager]: * sizeof long=4 [2021-04-28 18:58:06,876 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-04-28 18:58:06,877 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-04-28 18:58:06,877 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-04-28 18:58:06,878 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-04-28 18:58:06,878 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-04-28 18:58:06,879 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-04-28 18:58:06,879 INFO L138 SettingsManager]: * sizeof long double=12 [2021-04-28 18:58:06,879 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-04-28 18:58:06,880 INFO L138 SettingsManager]: * Use constant arrays=true [2021-04-28 18:58:06,880 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-04-28 18:58:06,880 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-04-28 18:58:06,880 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-04-28 18:58:06,881 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-04-28 18:58:06,881 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-04-28 18:58:06,881 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-28 18:58:06,882 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-04-28 18:58:06,882 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-04-28 18:58:06,882 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-04-28 18:58:06,882 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-04-28 18:58:06,883 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-04-28 18:58:06,883 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES [2021-04-28 18:58:06,884 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-04-28 18:58:06,884 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-04-28 18:58:06,884 INFO L138 SettingsManager]: * Apply repeated Lipton Reduction=true WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-04-28 18:58:07,306 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-04-28 18:58:07,334 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-04-28 18:58:07,337 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-04-28 18:58:07,339 INFO L271 PluginConnector]: Initializing CDTParser... [2021-04-28 18:58:07,339 INFO L275 PluginConnector]: CDTParser initialized [2021-04-28 18:58:07,340 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix023_rmo.opt.i [2021-04-28 18:58:07,437 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f04c85003/42d65dc3397b4985901d141664c94b26/FLAG5f4986163 [2021-04-28 18:58:08,146 INFO L306 CDTParser]: Found 1 translation units. [2021-04-28 18:58:08,147 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix023_rmo.opt.i [2021-04-28 18:58:08,163 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f04c85003/42d65dc3397b4985901d141664c94b26/FLAG5f4986163 [2021-04-28 18:58:08,397 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f04c85003/42d65dc3397b4985901d141664c94b26 [2021-04-28 18:58:08,400 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-04-28 18:58:08,453 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-04-28 18:58:08,455 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-04-28 18:58:08,455 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-04-28 18:58:08,459 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-04-28 18:58:08,460 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 06:58:08" (1/1) ... [2021-04-28 18:58:08,461 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f601ae9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:58:08, skipping insertion in model container [2021-04-28 18:58:08,461 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 06:58:08" (1/1) ... [2021-04-28 18:58:08,469 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-04-28 18:58:08,514 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-04-28 18:58:08,697 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/mix023_rmo.opt.i[948,961] [2021-04-28 18:58:09,102 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 18:58:09,120 INFO L203 MainTranslator]: Completed pre-run [2021-04-28 18:58:09,139 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/mix023_rmo.opt.i[948,961] [2021-04-28 18:58:09,209 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 18:58:09,384 INFO L208 MainTranslator]: Completed translation [2021-04-28 18:58:09,385 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:58:09 WrapperNode [2021-04-28 18:58:09,385 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-04-28 18:58:09,386 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-04-28 18:58:09,386 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-04-28 18:58:09,387 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-04-28 18:58:09,396 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:58:09" (1/1) ... [2021-04-28 18:58:09,415 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:58:09" (1/1) ... [2021-04-28 18:58:09,446 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-04-28 18:58:09,446 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-04-28 18:58:09,447 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-04-28 18:58:09,447 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-04-28 18:58:09,456 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:58:09" (1/1) ... [2021-04-28 18:58:09,457 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:58:09" (1/1) ... [2021-04-28 18:58:09,461 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:58:09" (1/1) ... [2021-04-28 18:58:09,462 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:58:09" (1/1) ... [2021-04-28 18:58:09,472 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:58:09" (1/1) ... [2021-04-28 18:58:09,476 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:58:09" (1/1) ... [2021-04-28 18:58:09,481 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:58:09" (1/1) ... [2021-04-28 18:58:09,490 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-04-28 18:58:09,491 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-04-28 18:58:09,491 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-04-28 18:58:09,491 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-04-28 18:58:09,497 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:58:09" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-28 18:58:09,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-04-28 18:58:09,603 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-04-28 18:58:09,604 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-04-28 18:58:09,604 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-04-28 18:58:09,604 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-04-28 18:58:09,604 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-04-28 18:58:09,604 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-04-28 18:58:09,604 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-04-28 18:58:09,605 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-04-28 18:58:09,605 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-04-28 18:58:09,605 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-04-28 18:58:09,605 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-04-28 18:58:09,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-04-28 18:58:09,606 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-04-28 18:58:09,606 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-04-28 18:58:09,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-04-28 18:58:09,608 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-04-28 18:58:11,582 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-04-28 18:58:11,582 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-04-28 18:58:11,584 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 06:58:11 BoogieIcfgContainer [2021-04-28 18:58:11,584 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-04-28 18:58:11,588 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-04-28 18:58:11,588 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-04-28 18:58:11,592 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-04-28 18:58:11,592 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.04 06:58:08" (1/3) ... [2021-04-28 18:58:11,593 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29a2ecb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 06:58:11, skipping insertion in model container [2021-04-28 18:58:11,594 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:58:09" (2/3) ... [2021-04-28 18:58:11,594 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29a2ecb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 06:58:11, skipping insertion in model container [2021-04-28 18:58:11,594 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 06:58:11" (3/3) ... [2021-04-28 18:58:11,596 INFO L111 eAbstractionObserver]: Analyzing ICFG mix023_rmo.opt.i [2021-04-28 18:58:11,605 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-04-28 18:58:11,614 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-04-28 18:58:11,615 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-04-28 18:58:11,673 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,673 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,673 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,674 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,674 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,674 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,674 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,675 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,675 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,675 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,676 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,676 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,676 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,676 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,677 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,677 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,677 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,677 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,677 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,677 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,678 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,679 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,679 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,680 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,680 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,680 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,680 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,680 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,681 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,681 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,681 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,682 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,682 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,682 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,682 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,682 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,683 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,683 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,683 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,684 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,684 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,684 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,685 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,685 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,685 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,685 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,685 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,686 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,686 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,686 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,686 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,686 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,686 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,687 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,687 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,687 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,687 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,687 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,689 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,689 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,690 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,690 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,690 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,690 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,691 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,691 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,691 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,691 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,691 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,692 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,692 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,692 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,692 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,693 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,693 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,694 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,694 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,694 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,694 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,694 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,695 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,695 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,695 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,696 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,696 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,696 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,697 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,697 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,697 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,697 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,698 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,698 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,698 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,698 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,698 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,699 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,702 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,706 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,706 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,706 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,707 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,713 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,713 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,714 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,714 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,714 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,714 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,714 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,714 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,715 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,715 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,715 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,715 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,715 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,716 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,716 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,716 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,716 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,717 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,718 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,718 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,718 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,718 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,719 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,719 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,719 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,719 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,720 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,720 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,720 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,720 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,721 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,721 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,721 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,721 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,722 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,722 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,722 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,722 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,722 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,722 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,723 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,723 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,723 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,723 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,723 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,723 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,724 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,724 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,724 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,725 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,725 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,725 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,725 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,725 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,726 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,726 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,726 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,727 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,727 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,729 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,730 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,730 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,730 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,730 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,732 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,732 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,732 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,732 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,733 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,733 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,733 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,733 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,733 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,734 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,734 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,734 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,734 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,734 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,734 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,735 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,735 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,735 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,735 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,735 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,736 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,736 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,738 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,738 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,739 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,739 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,739 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,739 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,739 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,740 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,740 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,740 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,740 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,740 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,742 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,742 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,742 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,742 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,743 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,743 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,743 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,743 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,743 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,744 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,747 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,747 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,748 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,748 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:58:11,749 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-04-28 18:58:11,772 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-04-28 18:58:11,816 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-28 18:58:11,817 INFO L377 AbstractCegarLoop]: Hoare is false [2021-04-28 18:58:11,817 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-04-28 18:58:11,817 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-28 18:58:11,817 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-28 18:58:11,817 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-28 18:58:11,817 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-28 18:58:11,818 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-04-28 18:58:11,834 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 128 places, 117 transitions, 254 flow [2021-04-28 18:58:11,888 INFO L129 PetriNetUnfolder]: 2/113 cut-off events. [2021-04-28 18:58:11,889 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 18:58:11,894 INFO L84 FinitePrefix]: Finished finitePrefix Result has 126 conditions, 113 events. 2/113 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 93 event pairs, 0 based on Foata normal form. 0/109 useless extension candidates. Maximal degree in co-relation 76. Up to 2 conditions per place. [2021-04-28 18:58:11,895 INFO L82 GeneralOperation]: Start removeDead. Operand has 128 places, 117 transitions, 254 flow [2021-04-28 18:58:11,907 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 124 places, 113 transitions, 238 flow [2021-04-28 18:58:11,911 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:58:11,927 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 124 places, 113 transitions, 238 flow [2021-04-28 18:58:11,933 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 124 places, 113 transitions, 238 flow [2021-04-28 18:58:11,939 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 124 places, 113 transitions, 238 flow [2021-04-28 18:58:11,988 INFO L129 PetriNetUnfolder]: 2/113 cut-off events. [2021-04-28 18:58:11,989 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 18:58:11,990 INFO L84 FinitePrefix]: Finished finitePrefix Result has 126 conditions, 113 events. 2/113 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. 0/109 useless extension candidates. Maximal degree in co-relation 76. Up to 2 conditions per place. [2021-04-28 18:58:11,997 INFO L146 LiptonReduction]: Number of co-enabled transitions 2630 [2021-04-28 18:58:15,529 WARN L205 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 60 [2021-04-28 18:58:15,639 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-04-28 18:58:16,110 WARN L205 SmtUtils]: Spent 468.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 83 [2021-04-28 18:58:16,329 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-04-28 18:58:19,343 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 18:58:19,464 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 18:58:19,684 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 18:58:19,891 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 18:58:27,921 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-28 18:58:33,989 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 18:58:36,643 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 18:58:36,788 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2021-04-28 18:58:36,934 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2021-04-28 18:58:37,081 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2021-04-28 18:58:37,213 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2021-04-28 18:58:39,082 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-04-28 18:58:39,264 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-04-28 18:58:39,413 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-04-28 18:58:39,562 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-04-28 18:58:39,664 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 18:58:40,069 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 18:58:40,171 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 18:58:40,972 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 18:58:41,081 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 18:58:41,184 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 18:58:41,287 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 18:58:41,390 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 18:58:41,491 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 18:58:42,022 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 18:58:42,139 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 18:58:42,256 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 18:58:42,374 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 18:58:42,513 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 18:58:42,691 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 18:58:42,835 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 18:58:42,976 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 18:58:43,090 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 18:58:43,206 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 18:58:43,327 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 18:58:43,447 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 18:58:43,579 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 18:58:43,712 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 18:58:43,843 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 18:58:43,971 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 18:58:44,095 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 18:58:44,215 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 18:58:44,346 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 18:58:44,474 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 18:58:44,616 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 18:58:44,756 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 18:58:44,890 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 18:58:45,027 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 18:58:45,142 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 18:58:45,254 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 18:58:45,364 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 18:58:45,477 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 18:58:46,412 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 18:58:46,532 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 18:58:46,666 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 18:58:46,795 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 18:58:46,968 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 18:58:47,150 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 18:58:47,326 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 18:58:47,503 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 18:58:47,639 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 18:58:47,768 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 18:58:47,900 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 18:58:48,036 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 18:58:48,193 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 18:58:48,352 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 18:58:48,522 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 18:58:48,694 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 18:58:49,194 WARN L205 SmtUtils]: Spent 498.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 119 [2021-04-28 18:58:49,429 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2021-04-28 18:58:49,960 WARN L205 SmtUtils]: Spent 524.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 119 [2021-04-28 18:58:50,190 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2021-04-28 18:58:50,340 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 18:58:50,490 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 18:58:50,635 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 18:58:50,779 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 18:58:50,982 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 18:58:51,184 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 18:58:51,389 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 18:58:51,591 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 18:58:51,800 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 18:58:52,007 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 18:58:52,206 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 18:58:52,410 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 18:58:52,529 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 18:58:52,649 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 18:58:52,766 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 18:58:52,885 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 18:58:53,094 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 18:58:53,325 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 18:58:53,550 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 18:58:53,777 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 18:58:53,969 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 18:58:54,159 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 18:58:54,349 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 18:58:54,535 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 18:58:54,723 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 18:58:54,910 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 18:58:55,099 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 18:58:55,290 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 18:58:55,481 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 18:58:55,673 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 18:58:55,865 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 18:58:56,058 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 18:58:56,266 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 18:58:56,482 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 18:58:56,695 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 18:58:56,903 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 18:58:57,063 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 18:58:57,223 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 18:58:57,386 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 18:58:57,567 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 18:58:57,703 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 18:58:57,841 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 18:58:57,974 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 18:58:58,110 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 18:58:58,639 WARN L205 SmtUtils]: Spent 527.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 124 [2021-04-28 18:58:58,890 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2021-04-28 18:58:59,412 WARN L205 SmtUtils]: Spent 521.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 124 [2021-04-28 18:58:59,660 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2021-04-28 18:58:59,847 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 18:59:00,032 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 18:59:00,220 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 18:59:00,407 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 18:59:00,562 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 18:59:00,713 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 18:59:00,866 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 18:59:01,020 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 18:59:01,087 INFO L158 LiptonReduction]: Checked pairs total: 27725 [2021-04-28 18:59:01,087 INFO L160 LiptonReduction]: Total number of compositions: 311 [2021-04-28 18:59:01,093 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 49186 [2021-04-28 18:59:01,118 INFO L129 PetriNetUnfolder]: 0/84 cut-off events. [2021-04-28 18:59:01,119 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 18:59:01,119 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:59:01,120 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-04-28 18:59:01,120 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 18:59:01,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:59:01,126 INFO L82 PathProgramCache]: Analyzing trace with hash 1878163103, now seen corresponding path program 1 times [2021-04-28 18:59:01,135 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:59:01,136 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1500687584] [2021-04-28 18:59:01,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:59:01,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 18:59:01,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:59:01,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:59:01,405 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 18:59:01,406 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1500687584] [2021-04-28 18:59:01,407 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 18:59:01,408 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 18:59:01,408 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1464951577] [2021-04-28 18:59:01,418 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 18:59:01,418 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 18:59:01,432 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 18:59:01,436 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 18:59:01,442 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 348 out of 428 [2021-04-28 18:59:01,450 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 159 places, 147 transitions, 306 flow. Second operand has 3 states, 3 states have (on average 348.6666666666667) internal successors, (1046), 3 states have internal predecessors, (1046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:59:01,450 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 18:59:01,450 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 348 of 428 [2021-04-28 18:59:01,452 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 18:59:01,609 INFO L129 PetriNetUnfolder]: 29/458 cut-off events. [2021-04-28 18:59:01,610 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 18:59:01,613 INFO L84 FinitePrefix]: Finished finitePrefix Result has 535 conditions, 458 events. 29/458 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 85. Compared 3667 event pairs, 15 based on Foata normal form. 23/111 useless extension candidates. Maximal degree in co-relation 455. Up to 41 conditions per place. [2021-04-28 18:59:01,617 INFO L132 encePairwiseOnDemand]: 412/428 looper letters, 7 selfloop transitions, 2 changer transitions 63/146 dead transitions. [2021-04-28 18:59:01,617 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 158 places, 146 transitions, 342 flow [2021-04-28 18:59:01,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 18:59:01,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 18:59:01,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1070 transitions. [2021-04-28 18:59:01,638 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8333333333333334 [2021-04-28 18:59:01,638 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1070 transitions. [2021-04-28 18:59:01,639 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1070 transitions. [2021-04-28 18:59:01,643 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 18:59:01,646 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1070 transitions. [2021-04-28 18:59:01,653 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 356.6666666666667) internal successors, (1070), 3 states have internal predecessors, (1070), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:59:01,666 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 428.0) internal successors, (1712), 4 states have internal predecessors, (1712), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:59:01,668 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 428.0) internal successors, (1712), 4 states have internal predecessors, (1712), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:59:01,670 INFO L185 Difference]: Start difference. First operand has 159 places, 147 transitions, 306 flow. Second operand 3 states and 1070 transitions. [2021-04-28 18:59:01,671 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 158 places, 146 transitions, 342 flow [2021-04-28 18:59:01,676 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 154 places, 146 transitions, 338 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-04-28 18:59:01,680 INFO L241 Difference]: Finished difference. Result has 154 places, 80 transitions, 172 flow [2021-04-28 18:59:01,682 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=428, PETRI_DIFFERENCE_MINUEND_FLOW=294, PETRI_DIFFERENCE_MINUEND_PLACES=152, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=143, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=141, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=172, PETRI_PLACES=154, PETRI_TRANSITIONS=80} [2021-04-28 18:59:01,683 INFO L343 CegarLoopForPetriNet]: 159 programPoint places, -5 predicate places. [2021-04-28 18:59:01,683 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:59:01,684 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 154 places, 80 transitions, 172 flow [2021-04-28 18:59:01,684 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 154 places, 80 transitions, 172 flow [2021-04-28 18:59:01,685 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 91 places, 80 transitions, 172 flow [2021-04-28 18:59:01,696 INFO L129 PetriNetUnfolder]: 0/80 cut-off events. [2021-04-28 18:59:01,697 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 18:59:01,697 INFO L84 FinitePrefix]: Finished finitePrefix Result has 92 conditions, 80 events. 0/80 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 393 event pairs, 0 based on Foata normal form. 0/28 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-04-28 18:59:01,699 INFO L146 LiptonReduction]: Number of co-enabled transitions 3174 [2021-04-28 18:59:02,053 INFO L158 LiptonReduction]: Checked pairs total: 4114 [2021-04-28 18:59:02,053 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 18:59:02,053 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 370 [2021-04-28 18:59:02,056 INFO L480 AbstractCegarLoop]: Abstraction has has 91 places, 80 transitions, 172 flow [2021-04-28 18:59:02,057 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 348.6666666666667) internal successors, (1046), 3 states have internal predecessors, (1046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:59:02,057 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:59:02,057 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 18:59:02,057 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-04-28 18:59:02,057 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 18:59:02,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:59:02,058 INFO L82 PathProgramCache]: Analyzing trace with hash 569292416, now seen corresponding path program 1 times [2021-04-28 18:59:02,058 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:59:02,058 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [527962787] [2021-04-28 18:59:02,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:59:02,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 18:59:02,219 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-04-28 18:59:02,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-28 18:59:02,234 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 18:59:02,234 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [527962787] [2021-04-28 18:59:02,234 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 18:59:02,235 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 18:59:02,235 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [719156883] [2021-04-28 18:59:02,236 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 18:59:02,236 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 18:59:02,237 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 18:59:02,237 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 18:59:02,240 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 231 out of 428 [2021-04-28 18:59:02,241 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 91 places, 80 transitions, 172 flow. Second operand has 3 states, 3 states have (on average 231.66666666666666) internal successors, (695), 3 states have internal predecessors, (695), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:59:02,241 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 18:59:02,241 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 231 of 428 [2021-04-28 18:59:02,241 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 18:59:04,652 INFO L129 PetriNetUnfolder]: 7370/17486 cut-off events. [2021-04-28 18:59:04,652 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 18:59:04,728 INFO L84 FinitePrefix]: Finished finitePrefix Result has 28104 conditions, 17486 events. 7370/17486 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2432. Compared 216477 event pairs, 2558 based on Foata normal form. 0/10927 useless extension candidates. Maximal degree in co-relation 28095. Up to 5639 conditions per place. [2021-04-28 18:59:04,753 INFO L132 encePairwiseOnDemand]: 403/428 looper letters, 9 selfloop transitions, 9 changer transitions 50/112 dead transitions. [2021-04-28 18:59:04,753 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 93 places, 112 transitions, 372 flow [2021-04-28 18:59:04,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 18:59:04,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 18:59:04,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 758 transitions. [2021-04-28 18:59:04,757 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5903426791277259 [2021-04-28 18:59:04,757 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 758 transitions. [2021-04-28 18:59:04,757 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 758 transitions. [2021-04-28 18:59:04,758 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 18:59:04,758 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 758 transitions. [2021-04-28 18:59:04,760 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 252.66666666666666) internal successors, (758), 3 states have internal predecessors, (758), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:59:04,764 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 428.0) internal successors, (1712), 4 states have internal predecessors, (1712), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:59:04,765 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 428.0) internal successors, (1712), 4 states have internal predecessors, (1712), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:59:04,765 INFO L185 Difference]: Start difference. First operand has 91 places, 80 transitions, 172 flow. Second operand 3 states and 758 transitions. [2021-04-28 18:59:04,765 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 93 places, 112 transitions, 372 flow [2021-04-28 18:59:04,767 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 91 places, 112 transitions, 368 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 18:59:04,769 INFO L241 Difference]: Finished difference. Result has 93 places, 62 transitions, 186 flow [2021-04-28 18:59:04,769 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=428, PETRI_DIFFERENCE_MINUEND_FLOW=168, PETRI_DIFFERENCE_MINUEND_PLACES=89, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=80, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=71, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=186, PETRI_PLACES=93, PETRI_TRANSITIONS=62} [2021-04-28 18:59:04,770 INFO L343 CegarLoopForPetriNet]: 159 programPoint places, -66 predicate places. [2021-04-28 18:59:04,770 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:59:04,770 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 93 places, 62 transitions, 186 flow [2021-04-28 18:59:04,771 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 93 places, 62 transitions, 186 flow [2021-04-28 18:59:04,771 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 67 places, 62 transitions, 186 flow [2021-04-28 18:59:04,882 INFO L129 PetriNetUnfolder]: 347/1069 cut-off events. [2021-04-28 18:59:04,883 INFO L130 PetriNetUnfolder]: For 123/129 co-relation queries the response was YES. [2021-04-28 18:59:04,888 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1902 conditions, 1069 events. 347/1069 cut-off events. For 123/129 co-relation queries the response was YES. Maximal size of possible extension queue 140. Compared 8992 event pairs, 131 based on Foata normal form. 0/749 useless extension candidates. Maximal degree in co-relation 1893. Up to 377 conditions per place. [2021-04-28 18:59:04,912 INFO L146 LiptonReduction]: Number of co-enabled transitions 2182 [2021-04-28 18:59:05,258 INFO L158 LiptonReduction]: Checked pairs total: 844 [2021-04-28 18:59:05,258 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 18:59:05,258 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 488 [2021-04-28 18:59:05,261 INFO L480 AbstractCegarLoop]: Abstraction has has 67 places, 62 transitions, 186 flow [2021-04-28 18:59:05,261 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 231.66666666666666) internal successors, (695), 3 states have internal predecessors, (695), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:59:05,261 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:59:05,262 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 18:59:05,262 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-04-28 18:59:05,262 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 18:59:05,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:59:05,262 INFO L82 PathProgramCache]: Analyzing trace with hash -42884909, now seen corresponding path program 1 times [2021-04-28 18:59:05,263 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:59:05,263 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1366647498] [2021-04-28 18:59:05,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:59:05,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 18:59:05,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:59:05,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:59:05,341 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-04-28 18:59:05,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-28 18:59:05,356 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 18:59:05,356 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1366647498] [2021-04-28 18:59:05,356 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 18:59:05,356 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-28 18:59:05,357 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1188354878] [2021-04-28 18:59:05,357 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 18:59:05,357 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 18:59:05,358 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 18:59:05,358 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-04-28 18:59:05,360 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 231 out of 428 [2021-04-28 18:59:05,361 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 67 places, 62 transitions, 186 flow. Second operand has 4 states, 4 states have (on average 231.75) internal successors, (927), 4 states have internal predecessors, (927), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:59:05,362 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 18:59:05,362 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 231 of 428 [2021-04-28 18:59:05,362 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 18:59:05,503 INFO L129 PetriNetUnfolder]: 242/781 cut-off events. [2021-04-28 18:59:05,503 INFO L130 PetriNetUnfolder]: For 144/460 co-relation queries the response was YES. [2021-04-28 18:59:05,507 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1804 conditions, 781 events. 242/781 cut-off events. For 144/460 co-relation queries the response was YES. Maximal size of possible extension queue 91. Compared 5818 event pairs, 34 based on Foata normal form. 19/579 useless extension candidates. Maximal degree in co-relation 1793. Up to 265 conditions per place. [2021-04-28 18:59:05,515 INFO L132 encePairwiseOnDemand]: 419/428 looper letters, 19 selfloop transitions, 9 changer transitions 0/72 dead transitions. [2021-04-28 18:59:05,515 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 70 places, 72 transitions, 292 flow [2021-04-28 18:59:05,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 18:59:05,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 18:59:05,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 946 transitions. [2021-04-28 18:59:05,519 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.552570093457944 [2021-04-28 18:59:05,519 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 946 transitions. [2021-04-28 18:59:05,519 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 946 transitions. [2021-04-28 18:59:05,520 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 18:59:05,520 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 946 transitions. [2021-04-28 18:59:05,523 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 236.5) internal successors, (946), 4 states have internal predecessors, (946), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:59:05,527 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 428.0) internal successors, (2140), 5 states have internal predecessors, (2140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:59:05,529 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 428.0) internal successors, (2140), 5 states have internal predecessors, (2140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:59:05,529 INFO L185 Difference]: Start difference. First operand has 67 places, 62 transitions, 186 flow. Second operand 4 states and 946 transitions. [2021-04-28 18:59:05,529 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 70 places, 72 transitions, 292 flow [2021-04-28 18:59:05,533 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 72 transitions, 264 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 18:59:05,535 INFO L241 Difference]: Finished difference. Result has 71 places, 67 transitions, 236 flow [2021-04-28 18:59:05,535 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=428, PETRI_DIFFERENCE_MINUEND_FLOW=168, PETRI_DIFFERENCE_MINUEND_PLACES=65, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=62, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=53, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=236, PETRI_PLACES=71, PETRI_TRANSITIONS=67} [2021-04-28 18:59:05,535 INFO L343 CegarLoopForPetriNet]: 159 programPoint places, -88 predicate places. [2021-04-28 18:59:05,535 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:59:05,535 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 71 places, 67 transitions, 236 flow [2021-04-28 18:59:05,536 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 71 places, 67 transitions, 236 flow [2021-04-28 18:59:05,536 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 71 places, 67 transitions, 236 flow [2021-04-28 18:59:05,615 INFO L129 PetriNetUnfolder]: 242/749 cut-off events. [2021-04-28 18:59:05,615 INFO L130 PetriNetUnfolder]: For 278/278 co-relation queries the response was YES. [2021-04-28 18:59:05,620 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1554 conditions, 749 events. 242/749 cut-off events. For 278/278 co-relation queries the response was YES. Maximal size of possible extension queue 95. Compared 5535 event pairs, 64 based on Foata normal form. 0/538 useless extension candidates. Maximal degree in co-relation 1542. Up to 265 conditions per place. [2021-04-28 18:59:05,640 INFO L146 LiptonReduction]: Number of co-enabled transitions 2434 [2021-04-28 18:59:05,771 INFO L158 LiptonReduction]: Checked pairs total: 1008 [2021-04-28 18:59:05,772 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 18:59:05,772 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 237 [2021-04-28 18:59:05,774 INFO L480 AbstractCegarLoop]: Abstraction has has 71 places, 67 transitions, 236 flow [2021-04-28 18:59:05,775 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 231.75) internal successors, (927), 4 states have internal predecessors, (927), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:59:05,775 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:59:05,775 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 18:59:05,775 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-04-28 18:59:05,775 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 18:59:05,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:59:05,776 INFO L82 PathProgramCache]: Analyzing trace with hash 1629064470, now seen corresponding path program 1 times [2021-04-28 18:59:05,776 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:59:05,776 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1294525737] [2021-04-28 18:59:05,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:59:05,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 18:59:05,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:59:05,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:59:05,861 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-04-28 18:59:05,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-28 18:59:05,885 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 18:59:05,885 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1294525737] [2021-04-28 18:59:05,885 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 18:59:05,885 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-28 18:59:05,886 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1801697224] [2021-04-28 18:59:05,886 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 18:59:05,886 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 18:59:05,886 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 18:59:05,887 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-04-28 18:59:05,890 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 231 out of 428 [2021-04-28 18:59:05,891 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 71 places, 67 transitions, 236 flow. Second operand has 4 states, 4 states have (on average 232.0) internal successors, (928), 4 states have internal predecessors, (928), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:59:05,891 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 18:59:05,891 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 231 of 428 [2021-04-28 18:59:05,892 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 18:59:06,073 INFO L129 PetriNetUnfolder]: 224/740 cut-off events. [2021-04-28 18:59:06,074 INFO L130 PetriNetUnfolder]: For 286/612 co-relation queries the response was YES. [2021-04-28 18:59:06,077 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1873 conditions, 740 events. 224/740 cut-off events. For 286/612 co-relation queries the response was YES. Maximal size of possible extension queue 84. Compared 5437 event pairs, 54 based on Foata normal form. 12/546 useless extension candidates. Maximal degree in co-relation 1859. Up to 249 conditions per place. [2021-04-28 18:59:06,084 INFO L132 encePairwiseOnDemand]: 418/428 looper letters, 17 selfloop transitions, 20 changer transitions 0/81 dead transitions. [2021-04-28 18:59:06,084 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 74 places, 81 transitions, 396 flow [2021-04-28 18:59:06,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 18:59:06,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 18:59:06,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 949 transitions. [2021-04-28 18:59:06,088 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.554322429906542 [2021-04-28 18:59:06,088 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 949 transitions. [2021-04-28 18:59:06,088 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 949 transitions. [2021-04-28 18:59:06,089 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 18:59:06,089 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 949 transitions. [2021-04-28 18:59:06,092 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 237.25) internal successors, (949), 4 states have internal predecessors, (949), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:59:06,097 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 428.0) internal successors, (2140), 5 states have internal predecessors, (2140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:59:06,099 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 428.0) internal successors, (2140), 5 states have internal predecessors, (2140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:59:06,099 INFO L185 Difference]: Start difference. First operand has 71 places, 67 transitions, 236 flow. Second operand 4 states and 949 transitions. [2021-04-28 18:59:06,099 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 74 places, 81 transitions, 396 flow [2021-04-28 18:59:06,103 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 73 places, 81 transitions, 391 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-04-28 18:59:06,105 INFO L241 Difference]: Finished difference. Result has 76 places, 78 transitions, 398 flow [2021-04-28 18:59:06,106 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=428, PETRI_DIFFERENCE_MINUEND_FLOW=233, PETRI_DIFFERENCE_MINUEND_PLACES=70, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=67, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=51, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=398, PETRI_PLACES=76, PETRI_TRANSITIONS=78} [2021-04-28 18:59:06,106 INFO L343 CegarLoopForPetriNet]: 159 programPoint places, -83 predicate places. [2021-04-28 18:59:06,106 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:59:06,106 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 76 places, 78 transitions, 398 flow [2021-04-28 18:59:06,107 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 76 places, 78 transitions, 398 flow [2021-04-28 18:59:06,107 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 76 places, 78 transitions, 398 flow [2021-04-28 18:59:06,208 INFO L129 PetriNetUnfolder]: 224/785 cut-off events. [2021-04-28 18:59:06,208 INFO L130 PetriNetUnfolder]: For 863/926 co-relation queries the response was YES. [2021-04-28 18:59:06,212 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1979 conditions, 785 events. 224/785 cut-off events. For 863/926 co-relation queries the response was YES. Maximal size of possible extension queue 92. Compared 6157 event pairs, 51 based on Foata normal form. 2/549 useless extension candidates. Maximal degree in co-relation 1963. Up to 249 conditions per place. [2021-04-28 18:59:06,230 INFO L146 LiptonReduction]: Number of co-enabled transitions 2950 [2021-04-28 18:59:06,445 INFO L158 LiptonReduction]: Checked pairs total: 1455 [2021-04-28 18:59:06,445 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 18:59:06,445 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 339 [2021-04-28 18:59:06,447 INFO L480 AbstractCegarLoop]: Abstraction has has 76 places, 78 transitions, 398 flow [2021-04-28 18:59:06,448 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 232.0) internal successors, (928), 4 states have internal predecessors, (928), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:59:06,448 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:59:06,449 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 18:59:06,449 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-04-28 18:59:06,449 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 18:59:06,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:59:06,449 INFO L82 PathProgramCache]: Analyzing trace with hash -1066955873, now seen corresponding path program 1 times [2021-04-28 18:59:06,449 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:59:06,450 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2126102153] [2021-04-28 18:59:06,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:59:06,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 18:59:06,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:59:06,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:59:06,548 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 18:59:06,548 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2126102153] [2021-04-28 18:59:06,548 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 18:59:06,548 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 18:59:06,548 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [277594998] [2021-04-28 18:59:06,549 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 18:59:06,549 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 18:59:06,549 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 18:59:06,549 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 18:59:06,551 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 292 out of 428 [2021-04-28 18:59:06,553 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 76 places, 78 transitions, 398 flow. Second operand has 3 states, 3 states have (on average 292.6666666666667) internal successors, (878), 3 states have internal predecessors, (878), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:59:06,553 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 18:59:06,553 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 292 of 428 [2021-04-28 18:59:06,553 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 18:59:06,640 INFO L129 PetriNetUnfolder]: 188/662 cut-off events. [2021-04-28 18:59:06,640 INFO L130 PetriNetUnfolder]: For 884/1000 co-relation queries the response was YES. [2021-04-28 18:59:06,643 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1728 conditions, 662 events. 188/662 cut-off events. For 884/1000 co-relation queries the response was YES. Maximal size of possible extension queue 76. Compared 4804 event pairs, 42 based on Foata normal form. 15/482 useless extension candidates. Maximal degree in co-relation 1710. Up to 207 conditions per place. [2021-04-28 18:59:06,649 INFO L132 encePairwiseOnDemand]: 425/428 looper letters, 1 selfloop transitions, 4 changer transitions 0/78 dead transitions. [2021-04-28 18:59:06,649 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 78 places, 78 transitions, 408 flow [2021-04-28 18:59:06,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 18:59:06,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 18:59:06,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 880 transitions. [2021-04-28 18:59:06,653 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6853582554517134 [2021-04-28 18:59:06,653 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 880 transitions. [2021-04-28 18:59:06,653 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 880 transitions. [2021-04-28 18:59:06,654 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 18:59:06,654 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 880 transitions. [2021-04-28 18:59:06,657 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 293.3333333333333) internal successors, (880), 3 states have internal predecessors, (880), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:59:06,661 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 428.0) internal successors, (1712), 4 states have internal predecessors, (1712), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:59:06,662 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 428.0) internal successors, (1712), 4 states have internal predecessors, (1712), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:59:06,662 INFO L185 Difference]: Start difference. First operand has 76 places, 78 transitions, 398 flow. Second operand 3 states and 880 transitions. [2021-04-28 18:59:06,662 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 78 places, 78 transitions, 408 flow [2021-04-28 18:59:06,669 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 78 places, 78 transitions, 408 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-04-28 18:59:06,670 INFO L241 Difference]: Finished difference. Result has 79 places, 78 transitions, 412 flow [2021-04-28 18:59:06,671 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=428, PETRI_DIFFERENCE_MINUEND_FLOW=398, PETRI_DIFFERENCE_MINUEND_PLACES=76, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=78, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=74, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=412, PETRI_PLACES=79, PETRI_TRANSITIONS=78} [2021-04-28 18:59:06,671 INFO L343 CegarLoopForPetriNet]: 159 programPoint places, -80 predicate places. [2021-04-28 18:59:06,671 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:59:06,671 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 79 places, 78 transitions, 412 flow [2021-04-28 18:59:06,672 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 79 places, 78 transitions, 412 flow [2021-04-28 18:59:06,672 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 79 places, 78 transitions, 412 flow [2021-04-28 18:59:06,765 INFO L129 PetriNetUnfolder]: 188/703 cut-off events. [2021-04-28 18:59:06,765 INFO L130 PetriNetUnfolder]: For 824/885 co-relation queries the response was YES. [2021-04-28 18:59:06,769 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1798 conditions, 703 events. 188/703 cut-off events. For 824/885 co-relation queries the response was YES. Maximal size of possible extension queue 78. Compared 5331 event pairs, 39 based on Foata normal form. 2/483 useless extension candidates. Maximal degree in co-relation 1779. Up to 207 conditions per place. [2021-04-28 18:59:06,784 INFO L146 LiptonReduction]: Number of co-enabled transitions 2948 [2021-04-28 18:59:06,793 INFO L158 LiptonReduction]: Checked pairs total: 1455 [2021-04-28 18:59:06,793 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 18:59:06,794 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 123 [2021-04-28 18:59:06,795 INFO L480 AbstractCegarLoop]: Abstraction has has 79 places, 78 transitions, 412 flow [2021-04-28 18:59:06,796 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 292.6666666666667) internal successors, (878), 3 states have internal predecessors, (878), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:59:06,796 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:59:06,796 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 18:59:06,796 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-04-28 18:59:06,797 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 18:59:06,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:59:06,797 INFO L82 PathProgramCache]: Analyzing trace with hash -1982178425, now seen corresponding path program 1 times [2021-04-28 18:59:06,797 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:59:06,797 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [805730966] [2021-04-28 18:59:06,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:59:06,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 18:59:06,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:59:06,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:59:06,846 INFO L142 QuantifierPusher]: treesize reduction 2, result has 84.6 percent of original size [2021-04-28 18:59:06,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-28 18:59:06,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:59:06,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 18:59:06,858 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 18:59:06,859 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [805730966] [2021-04-28 18:59:06,859 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 18:59:06,859 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 18:59:06,859 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1145359622] [2021-04-28 18:59:06,859 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 18:59:06,860 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 18:59:06,860 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 18:59:06,860 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-28 18:59:06,862 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 266 out of 428 [2021-04-28 18:59:06,864 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 79 places, 78 transitions, 412 flow. Second operand has 4 states, 4 states have (on average 266.75) internal successors, (1067), 4 states have internal predecessors, (1067), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:59:06,864 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 18:59:06,864 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 266 of 428 [2021-04-28 18:59:06,864 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 18:59:19,330 INFO L129 PetriNetUnfolder]: 78517/120563 cut-off events. [2021-04-28 18:59:19,330 INFO L130 PetriNetUnfolder]: For 7069/7582 co-relation queries the response was YES. [2021-04-28 18:59:19,953 INFO L84 FinitePrefix]: Finished finitePrefix Result has 244488 conditions, 120563 events. 78517/120563 cut-off events. For 7069/7582 co-relation queries the response was YES. Maximal size of possible extension queue 21729. Compared 1280713 event pairs, 13184 based on Foata normal form. 1565/32265 useless extension candidates. Maximal degree in co-relation 244467. Up to 68032 conditions per place. [2021-04-28 18:59:20,452 INFO L132 encePairwiseOnDemand]: 406/428 looper letters, 38 selfloop transitions, 25 changer transitions 0/114 dead transitions. [2021-04-28 18:59:20,452 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 82 places, 114 transitions, 610 flow [2021-04-28 18:59:20,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 18:59:20,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 18:59:20,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1122 transitions. [2021-04-28 18:59:20,456 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.655373831775701 [2021-04-28 18:59:20,456 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 1122 transitions. [2021-04-28 18:59:20,457 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 1122 transitions. [2021-04-28 18:59:20,458 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 18:59:20,458 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 1122 transitions. [2021-04-28 18:59:20,462 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 280.5) internal successors, (1122), 4 states have internal predecessors, (1122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:59:20,466 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 428.0) internal successors, (2140), 5 states have internal predecessors, (2140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:59:20,467 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 428.0) internal successors, (2140), 5 states have internal predecessors, (2140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:59:20,467 INFO L185 Difference]: Start difference. First operand has 79 places, 78 transitions, 412 flow. Second operand 4 states and 1122 transitions. [2021-04-28 18:59:20,467 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 82 places, 114 transitions, 610 flow [2021-04-28 18:59:20,498 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 80 places, 114 transitions, 602 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 18:59:20,504 INFO L241 Difference]: Finished difference. Result has 82 places, 101 transitions, 587 flow [2021-04-28 18:59:20,505 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=428, PETRI_DIFFERENCE_MINUEND_FLOW=404, PETRI_DIFFERENCE_MINUEND_PLACES=77, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=78, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=53, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=587, PETRI_PLACES=82, PETRI_TRANSITIONS=101} [2021-04-28 18:59:20,505 INFO L343 CegarLoopForPetriNet]: 159 programPoint places, -77 predicate places. [2021-04-28 18:59:20,505 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:59:20,505 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 82 places, 101 transitions, 587 flow [2021-04-28 18:59:20,506 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 82 places, 101 transitions, 587 flow [2021-04-28 18:59:20,507 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 82 places, 101 transitions, 587 flow [2021-04-28 18:59:25,120 INFO L129 PetriNetUnfolder]: 31828/55579 cut-off events. [2021-04-28 18:59:25,120 INFO L130 PetriNetUnfolder]: For 4628/19916 co-relation queries the response was YES. [2021-04-28 18:59:25,331 INFO L84 FinitePrefix]: Finished finitePrefix Result has 119368 conditions, 55579 events. 31828/55579 cut-off events. For 4628/19916 co-relation queries the response was YES. Maximal size of possible extension queue 10630. Compared 633630 event pairs, 13704 based on Foata normal form. 13/16113 useless extension candidates. Maximal degree in co-relation 119347. Up to 52279 conditions per place. [2021-04-28 18:59:25,929 INFO L146 LiptonReduction]: Number of co-enabled transitions 4354 [2021-04-28 18:59:26,477 INFO L158 LiptonReduction]: Checked pairs total: 1759 [2021-04-28 18:59:26,477 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 18:59:26,477 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 5972 [2021-04-28 18:59:26,478 INFO L480 AbstractCegarLoop]: Abstraction has has 82 places, 101 transitions, 587 flow [2021-04-28 18:59:26,479 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 266.75) internal successors, (1067), 4 states have internal predecessors, (1067), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:59:26,479 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:59:26,479 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 18:59:26,480 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-04-28 18:59:26,480 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 18:59:26,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:59:26,480 INFO L82 PathProgramCache]: Analyzing trace with hash 939347496, now seen corresponding path program 1 times [2021-04-28 18:59:26,480 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:59:26,481 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [6411602] [2021-04-28 18:59:26,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:59:26,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 18:59:26,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:59:26,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:59:26,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:59:26,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:59:26,567 INFO L142 QuantifierPusher]: treesize reduction 2, result has 84.6 percent of original size [2021-04-28 18:59:26,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-28 18:59:26,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:59:26,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 18:59:26,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 18:59:26,581 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [6411602] [2021-04-28 18:59:26,581 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 18:59:26,581 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-28 18:59:26,581 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1793881159] [2021-04-28 18:59:26,581 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-28 18:59:26,582 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 18:59:26,582 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-28 18:59:26,582 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-04-28 18:59:26,585 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 266 out of 428 [2021-04-28 18:59:26,587 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 82 places, 101 transitions, 587 flow. Second operand has 5 states, 5 states have (on average 266.8) internal successors, (1334), 5 states have internal predecessors, (1334), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:59:26,587 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 18:59:26,587 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 266 of 428 [2021-04-28 18:59:26,587 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 18:59:42,369 INFO L129 PetriNetUnfolder]: 86629/142676 cut-off events. [2021-04-28 18:59:42,370 INFO L130 PetriNetUnfolder]: For 31875/2528082 co-relation queries the response was YES. [2021-04-28 18:59:43,187 INFO L84 FinitePrefix]: Finished finitePrefix Result has 450429 conditions, 142676 events. 86629/142676 cut-off events. For 31875/2528082 co-relation queries the response was YES. Maximal size of possible extension queue 27756. Compared 1660748 event pairs, 4076 based on Foata normal form. 1672/40495 useless extension candidates. Maximal degree in co-relation 450406. Up to 121276 conditions per place. [2021-04-28 18:59:43,690 INFO L132 encePairwiseOnDemand]: 406/428 looper letters, 50 selfloop transitions, 37 changer transitions 0/138 dead transitions. [2021-04-28 18:59:43,690 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 86 places, 138 transitions, 916 flow [2021-04-28 18:59:43,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-28 18:59:43,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-28 18:59:43,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1408 transitions. [2021-04-28 18:59:43,696 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6579439252336449 [2021-04-28 18:59:43,696 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1408 transitions. [2021-04-28 18:59:43,696 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1408 transitions. [2021-04-28 18:59:43,697 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 18:59:43,697 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1408 transitions. [2021-04-28 18:59:43,702 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 281.6) internal successors, (1408), 5 states have internal predecessors, (1408), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:59:43,707 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 428.0) internal successors, (2568), 6 states have internal predecessors, (2568), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:59:43,708 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 428.0) internal successors, (2568), 6 states have internal predecessors, (2568), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:59:43,709 INFO L185 Difference]: Start difference. First operand has 82 places, 101 transitions, 587 flow. Second operand 5 states and 1408 transitions. [2021-04-28 18:59:43,709 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 86 places, 138 transitions, 916 flow [2021-04-28 18:59:43,734 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 85 places, 138 transitions, 892 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-04-28 18:59:43,737 INFO L241 Difference]: Finished difference. Result has 87 places, 124 transitions, 838 flow [2021-04-28 18:59:43,737 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=428, PETRI_DIFFERENCE_MINUEND_FLOW=574, PETRI_DIFFERENCE_MINUEND_PLACES=81, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=101, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=64, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=838, PETRI_PLACES=87, PETRI_TRANSITIONS=124} [2021-04-28 18:59:43,737 INFO L343 CegarLoopForPetriNet]: 159 programPoint places, -72 predicate places. [2021-04-28 18:59:43,738 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:59:43,738 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 87 places, 124 transitions, 838 flow [2021-04-28 18:59:43,738 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 87 places, 124 transitions, 838 flow [2021-04-28 18:59:43,739 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 87 places, 124 transitions, 838 flow [2021-04-28 18:59:53,550 INFO L129 PetriNetUnfolder]: 54415/99492 cut-off events. [2021-04-28 18:59:53,551 INFO L130 PetriNetUnfolder]: For 100283/351858 co-relation queries the response was YES. [2021-04-28 18:59:53,995 INFO L84 FinitePrefix]: Finished finitePrefix Result has 339678 conditions, 99492 events. 54415/99492 cut-off events. For 100283/351858 co-relation queries the response was YES. Maximal size of possible extension queue 21049. Compared 1275813 event pairs, 4926 based on Foata normal form. 47/27530 useless extension candidates. Maximal degree in co-relation 339654. Up to 89005 conditions per place. [2021-04-28 18:59:55,143 INFO L146 LiptonReduction]: Number of co-enabled transitions 5608 [2021-04-28 18:59:55,374 INFO L158 LiptonReduction]: Checked pairs total: 2780 [2021-04-28 18:59:55,374 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 18:59:55,374 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 11636 [2021-04-28 18:59:55,376 INFO L480 AbstractCegarLoop]: Abstraction has has 87 places, 124 transitions, 838 flow [2021-04-28 18:59:55,377 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 266.8) internal successors, (1334), 5 states have internal predecessors, (1334), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:59:55,377 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:59:55,377 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 18:59:55,377 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-04-28 18:59:55,377 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 18:59:55,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:59:55,378 INFO L82 PathProgramCache]: Analyzing trace with hash -1480802262, now seen corresponding path program 1 times [2021-04-28 18:59:55,378 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:59:55,378 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1051103403] [2021-04-28 18:59:55,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:59:55,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 18:59:55,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:59:55,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:59:55,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:59:55,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:59:55,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:59:55,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:59:55,471 INFO L142 QuantifierPusher]: treesize reduction 2, result has 84.6 percent of original size [2021-04-28 18:59:55,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-28 18:59:55,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:59:55,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 18:59:55,484 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 18:59:55,484 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1051103403] [2021-04-28 18:59:55,484 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 18:59:55,484 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-28 18:59:55,485 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1946686802] [2021-04-28 18:59:55,485 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-28 18:59:55,485 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 18:59:55,486 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-28 18:59:55,486 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-04-28 18:59:55,488 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 266 out of 428 [2021-04-28 18:59:55,490 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 87 places, 124 transitions, 838 flow. Second operand has 6 states, 6 states have (on average 266.8333333333333) internal successors, (1601), 6 states have internal predecessors, (1601), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:59:55,490 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 18:59:55,490 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 266 of 428 [2021-04-28 18:59:55,490 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 19:00:13,469 INFO L129 PetriNetUnfolder]: 81733/143999 cut-off events. [2021-04-28 19:00:13,469 INFO L130 PetriNetUnfolder]: For 87482/4705433 co-relation queries the response was YES. [2021-04-28 19:00:14,088 INFO L84 FinitePrefix]: Finished finitePrefix Result has 622008 conditions, 143999 events. 81733/143999 cut-off events. For 87482/4705433 co-relation queries the response was YES. Maximal size of possible extension queue 27234. Compared 1801975 event pairs, 80 based on Foata normal form. 1554/40396 useless extension candidates. Maximal degree in co-relation 621982. Up to 123796 conditions per place. [2021-04-28 19:00:14,466 INFO L132 encePairwiseOnDemand]: 406/428 looper letters, 62 selfloop transitions, 49 changer transitions 0/162 dead transitions. [2021-04-28 19:00:14,466 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 92 places, 162 transitions, 1287 flow [2021-04-28 19:00:14,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-04-28 19:00:14,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-04-28 19:00:14,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1694 transitions. [2021-04-28 19:00:14,472 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6596573208722741 [2021-04-28 19:00:14,472 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1694 transitions. [2021-04-28 19:00:14,472 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1694 transitions. [2021-04-28 19:00:14,473 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 19:00:14,474 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1694 transitions. [2021-04-28 19:00:14,478 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 282.3333333333333) internal successors, (1694), 6 states have internal predecessors, (1694), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 19:00:14,483 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 428.0) internal successors, (2996), 7 states have internal predecessors, (2996), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 19:00:14,484 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 428.0) internal successors, (2996), 7 states have internal predecessors, (2996), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 19:00:14,484 INFO L185 Difference]: Start difference. First operand has 87 places, 124 transitions, 838 flow. Second operand 6 states and 1694 transitions. [2021-04-28 19:00:14,484 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 92 places, 162 transitions, 1287 flow [2021-04-28 19:00:14,916 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 90 places, 162 transitions, 1226 flow, removed 12 selfloop flow, removed 2 redundant places. [2021-04-28 19:00:14,920 INFO L241 Difference]: Finished difference. Result has 92 places, 147 transitions, 1122 flow [2021-04-28 19:00:14,921 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=428, PETRI_DIFFERENCE_MINUEND_FLOW=788, PETRI_DIFFERENCE_MINUEND_PLACES=85, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=124, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=26, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=75, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1122, PETRI_PLACES=92, PETRI_TRANSITIONS=147} [2021-04-28 19:00:14,921 INFO L343 CegarLoopForPetriNet]: 159 programPoint places, -67 predicate places. [2021-04-28 19:00:14,921 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 19:00:14,921 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 92 places, 147 transitions, 1122 flow [2021-04-28 19:00:14,922 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 92 places, 147 transitions, 1122 flow [2021-04-28 19:00:14,923 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 92 places, 147 transitions, 1122 flow [2021-04-28 19:00:29,286 INFO L129 PetriNetUnfolder]: 69880/128144 cut-off events. [2021-04-28 19:00:29,286 INFO L130 PetriNetUnfolder]: For 208765/503760 co-relation queries the response was YES. [2021-04-28 19:00:29,909 INFO L84 FinitePrefix]: Finished finitePrefix Result has 579660 conditions, 128144 events. 69880/128144 cut-off events. For 208765/503760 co-relation queries the response was YES. Maximal size of possible extension queue 26004. Compared 1690344 event pairs, 207 based on Foata normal form. 45/34529 useless extension candidates. Maximal degree in co-relation 579634. Up to 109144 conditions per place. [2021-04-28 19:00:31,365 INFO L146 LiptonReduction]: Number of co-enabled transitions 6148 [2021-04-28 19:00:31,525 INFO L158 LiptonReduction]: Checked pairs total: 3726 [2021-04-28 19:00:31,525 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 19:00:31,525 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 16604 [2021-04-28 19:00:31,527 INFO L480 AbstractCegarLoop]: Abstraction has has 92 places, 147 transitions, 1122 flow [2021-04-28 19:00:31,527 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 266.8333333333333) internal successors, (1601), 6 states have internal predecessors, (1601), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 19:00:31,528 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 19:00:31,528 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] [2021-04-28 19:00:31,528 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-04-28 19:00:31,528 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 19:00:31,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 19:00:31,529 INFO L82 PathProgramCache]: Analyzing trace with hash -1178845257, now seen corresponding path program 1 times [2021-04-28 19:00:31,529 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 19:00:31,529 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1781802676] [2021-04-28 19:00:31,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 19:00:31,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 19:00:31,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 19:00:31,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 19:00:31,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 19:00:31,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 19:00:31,625 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-04-28 19:00:31,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-28 19:00:31,647 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 19:00:31,647 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1781802676] [2021-04-28 19:00:31,648 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 19:00:31,648 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 19:00:31,648 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [253763478] [2021-04-28 19:00:31,648 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 19:00:31,648 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 19:00:31,649 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 19:00:31,649 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-28 19:00:31,651 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 228 out of 428 [2021-04-28 19:00:31,652 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 92 places, 147 transitions, 1122 flow. Second operand has 4 states, 4 states have (on average 230.5) internal successors, (922), 4 states have internal predecessors, (922), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 19:00:31,652 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 19:00:31,652 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 228 of 428 [2021-04-28 19:00:31,653 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 19:00:52,572 INFO L129 PetriNetUnfolder]: 92891/167852 cut-off events. [2021-04-28 19:00:52,572 INFO L130 PetriNetUnfolder]: For 287477/1945366 co-relation queries the response was YES. [2021-04-28 19:00:53,348 INFO L84 FinitePrefix]: Finished finitePrefix Result has 758198 conditions, 167852 events. 92891/167852 cut-off events. For 287477/1945366 co-relation queries the response was YES. Maximal size of possible extension queue 31728. Compared 2163561 event pairs, 268 based on Foata normal form. 364/44749 useless extension candidates. Maximal degree in co-relation 758170. Up to 143956 conditions per place. [2021-04-28 19:00:53,764 INFO L132 encePairwiseOnDemand]: 417/428 looper letters, 24 selfloop transitions, 44 changer transitions 0/180 dead transitions. [2021-04-28 19:00:53,765 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 96 places, 180 transitions, 1539 flow [2021-04-28 19:00:53,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-28 19:00:53,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-28 19:00:53,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1176 transitions. [2021-04-28 19:00:53,769 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5495327102803739 [2021-04-28 19:00:53,769 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1176 transitions. [2021-04-28 19:00:53,769 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1176 transitions. [2021-04-28 19:00:53,770 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 19:00:53,770 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1176 transitions. [2021-04-28 19:00:53,773 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 235.2) internal successors, (1176), 5 states have internal predecessors, (1176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 19:00:53,777 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 428.0) internal successors, (2568), 6 states have internal predecessors, (2568), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 19:00:53,778 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 428.0) internal successors, (2568), 6 states have internal predecessors, (2568), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 19:00:53,778 INFO L185 Difference]: Start difference. First operand has 92 places, 147 transitions, 1122 flow. Second operand 5 states and 1176 transitions. [2021-04-28 19:00:53,778 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 96 places, 180 transitions, 1539 flow [2021-04-28 19:01:30,588 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 93 places, 180 transitions, 1441 flow, removed 24 selfloop flow, removed 3 redundant places. [2021-04-28 19:01:30,592 INFO L241 Difference]: Finished difference. Result has 96 places, 173 transitions, 1445 flow [2021-04-28 19:01:30,592 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=428, PETRI_DIFFERENCE_MINUEND_FLOW=1024, PETRI_DIFFERENCE_MINUEND_PLACES=89, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=147, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=20, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=118, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1445, PETRI_PLACES=96, PETRI_TRANSITIONS=173} [2021-04-28 19:01:30,592 INFO L343 CegarLoopForPetriNet]: 159 programPoint places, -63 predicate places. [2021-04-28 19:01:30,592 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 19:01:30,592 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 96 places, 173 transitions, 1445 flow [2021-04-28 19:01:30,593 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 96 places, 173 transitions, 1445 flow [2021-04-28 19:01:30,594 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 96 places, 173 transitions, 1445 flow [2021-04-28 19:01:52,872 INFO L129 PetriNetUnfolder]: 98998/181341 cut-off events. [2021-04-28 19:01:52,873 INFO L130 PetriNetUnfolder]: For 115419/247579 co-relation queries the response was YES. [2021-04-28 19:01:53,788 INFO L84 FinitePrefix]: Finished finitePrefix Result has 645941 conditions, 181341 events. 98998/181341 cut-off events. For 115419/247579 co-relation queries the response was YES. Maximal size of possible extension queue 29769. Compared 2414670 event pairs, 263 based on Foata normal form. 63/49599 useless extension candidates. Maximal degree in co-relation 645912. Up to 115156 conditions per place. [2021-04-28 19:01:55,623 INFO L146 LiptonReduction]: Number of co-enabled transitions 8594 [2021-04-28 19:01:57,440 INFO L158 LiptonReduction]: Checked pairs total: 4202 [2021-04-28 19:01:57,440 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 19:01:57,440 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 26848 [2021-04-28 19:01:57,442 INFO L480 AbstractCegarLoop]: Abstraction has has 96 places, 173 transitions, 1445 flow [2021-04-28 19:01:57,442 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 230.5) internal successors, (922), 4 states have internal predecessors, (922), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 19:01:57,442 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 19:01:57,442 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] [2021-04-28 19:01:57,443 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-04-28 19:01:57,443 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 19:01:57,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 19:01:57,443 INFO L82 PathProgramCache]: Analyzing trace with hash 45845310, now seen corresponding path program 1 times [2021-04-28 19:01:57,443 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 19:01:57,443 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [610064319] [2021-04-28 19:01:57,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 19:01:57,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 19:01:57,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 19:01:57,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 19:01:57,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 19:01:57,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 19:01:57,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 19:01:57,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 19:01:57,598 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-04-28 19:01:57,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-28 19:01:57,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 19:01:57,618 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [610064319] [2021-04-28 19:01:57,618 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 19:01:57,618 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-28 19:01:57,618 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2019111521] [2021-04-28 19:01:57,618 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-28 19:01:57,618 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 19:01:57,619 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-28 19:01:57,619 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-04-28 19:01:57,622 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 228 out of 428 [2021-04-28 19:01:57,623 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 96 places, 173 transitions, 1445 flow. Second operand has 5 states, 5 states have (on average 230.0) internal successors, (1150), 5 states have internal predecessors, (1150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 19:01:57,624 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 19:01:57,624 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 228 of 428 [2021-04-28 19:01:57,624 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 19:02:33,846 INFO L129 PetriNetUnfolder]: 139326/245554 cut-off events. [2021-04-28 19:02:33,846 INFO L130 PetriNetUnfolder]: For 161752/629933 co-relation queries the response was YES. [2021-04-28 19:02:35,028 INFO L84 FinitePrefix]: Finished finitePrefix Result has 874740 conditions, 245554 events. 139326/245554 cut-off events. For 161752/629933 co-relation queries the response was YES. Maximal size of possible extension queue 44994. Compared 3231586 event pairs, 457 based on Foata normal form. 340/67910 useless extension candidates. Maximal degree in co-relation 874709. Up to 168670 conditions per place. [2021-04-28 19:02:35,695 INFO L132 encePairwiseOnDemand]: 417/428 looper letters, 37 selfloop transitions, 42 changer transitions 0/191 dead transitions. [2021-04-28 19:02:35,695 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 101 places, 191 transitions, 1781 flow [2021-04-28 19:02:35,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-04-28 19:02:35,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-04-28 19:02:35,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1409 transitions. [2021-04-28 19:02:35,700 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5486760124610592 [2021-04-28 19:02:35,700 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1409 transitions. [2021-04-28 19:02:35,700 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1409 transitions. [2021-04-28 19:02:35,702 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 19:02:35,702 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1409 transitions. [2021-04-28 19:02:35,705 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 234.83333333333334) internal successors, (1409), 6 states have internal predecessors, (1409), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 19:02:35,709 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 428.0) internal successors, (2996), 7 states have internal predecessors, (2996), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 19:02:35,710 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 428.0) internal successors, (2996), 7 states have internal predecessors, (2996), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 19:02:35,710 INFO L185 Difference]: Start difference. First operand has 96 places, 173 transitions, 1445 flow. Second operand 6 states and 1409 transitions. [2021-04-28 19:02:35,710 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 101 places, 191 transitions, 1781 flow [2021-04-28 19:03:25,848 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 101 places, 191 transitions, 1781 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-04-28 19:03:25,852 INFO L241 Difference]: Finished difference. Result has 104 places, 179 transitions, 1688 flow [2021-04-28 19:03:25,852 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=428, PETRI_DIFFERENCE_MINUEND_FLOW=1445, PETRI_DIFFERENCE_MINUEND_PLACES=96, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=173, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=36, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=131, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1688, PETRI_PLACES=104, PETRI_TRANSITIONS=179} [2021-04-28 19:03:25,852 INFO L343 CegarLoopForPetriNet]: 159 programPoint places, -55 predicate places. [2021-04-28 19:03:25,852 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 19:03:25,852 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 104 places, 179 transitions, 1688 flow [2021-04-28 19:03:25,853 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 104 places, 179 transitions, 1688 flow [2021-04-28 19:03:25,854 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 104 places, 179 transitions, 1688 flow [2021-04-28 19:04:01,355 INFO L129 PetriNetUnfolder]: 140526/249249 cut-off events. [2021-04-28 19:04:01,356 INFO L130 PetriNetUnfolder]: For 163629/615508 co-relation queries the response was YES. [2021-04-28 19:04:02,721 INFO L84 FinitePrefix]: Finished finitePrefix Result has 889217 conditions, 249249 events. 140526/249249 cut-off events. For 163629/615508 co-relation queries the response was YES. Maximal size of possible extension queue 45721. Compared 3356328 event pairs, 463 based on Foata normal form. 148/67893 useless extension candidates. Maximal degree in co-relation 889183. Up to 168670 conditions per place. [2021-04-28 19:04:05,543 INFO L146 LiptonReduction]: Number of co-enabled transitions 9476 [2021-04-28 19:04:05,837 INFO L158 LiptonReduction]: Checked pairs total: 4500 [2021-04-28 19:04:05,837 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 19:04:05,837 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 39985 [2021-04-28 19:04:05,839 INFO L480 AbstractCegarLoop]: Abstraction has has 104 places, 179 transitions, 1688 flow [2021-04-28 19:04:05,850 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 230.0) internal successors, (1150), 5 states have internal predecessors, (1150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 19:04:05,850 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 19:04:05,850 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] [2021-04-28 19:04:05,850 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-04-28 19:04:05,851 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 19:04:05,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 19:04:05,851 INFO L82 PathProgramCache]: Analyzing trace with hash -1497203268, now seen corresponding path program 1 times [2021-04-28 19:04:05,851 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 19:04:05,853 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1202431434] [2021-04-28 19:04:05,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 19:04:05,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 19:04:05,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 19:04:05,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 19:04:05,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 19:04:05,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 19:04:05,990 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-04-28 19:04:05,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-28 19:04:06,004 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 19:04:06,005 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1202431434] [2021-04-28 19:04:06,005 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 19:04:06,005 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 19:04:06,005 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1449803117] [2021-04-28 19:04:06,006 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 19:04:06,006 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 19:04:06,006 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 19:04:06,006 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-04-28 19:04:06,008 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 231 out of 428 [2021-04-28 19:04:06,010 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 104 places, 179 transitions, 1688 flow. Second operand has 4 states, 4 states have (on average 233.25) internal successors, (933), 4 states have internal predecessors, (933), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 19:04:06,010 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 19:04:06,010 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 231 of 428 [2021-04-28 19:04:06,010 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 19:05:25,007 INFO L129 PetriNetUnfolder]: 246156/421338 cut-off events. [2021-04-28 19:05:25,007 INFO L130 PetriNetUnfolder]: For 279149/928138 co-relation queries the response was YES. [2021-04-28 19:05:27,406 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1501676 conditions, 421338 events. 246156/421338 cut-off events. For 279149/928138 co-relation queries the response was YES. Maximal size of possible extension queue 71418. Compared 5588877 event pairs, 865 based on Foata normal form. 383/118847 useless extension candidates. Maximal degree in co-relation 1501640. Up to 306424 conditions per place. [2021-04-28 19:05:28,119 INFO L132 encePairwiseOnDemand]: 418/428 looper letters, 33 selfloop transitions, 53 changer transitions 0/200 dead transitions. [2021-04-28 19:05:28,120 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 107 places, 200 transitions, 2155 flow [2021-04-28 19:05:28,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 19:05:28,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 19:05:28,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 950 transitions. [2021-04-28 19:05:28,123 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5549065420560748 [2021-04-28 19:05:28,123 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 950 transitions. [2021-04-28 19:05:28,123 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 950 transitions. [2021-04-28 19:05:28,124 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 19:05:28,124 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 950 transitions. [2021-04-28 19:05:28,126 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 237.5) internal successors, (950), 4 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) [2021-04-28 19:05:28,129 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 428.0) internal successors, (2140), 5 states have internal predecessors, (2140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 19:05:28,130 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 428.0) internal successors, (2140), 5 states have internal predecessors, (2140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 19:05:28,130 INFO L185 Difference]: Start difference. First operand has 104 places, 179 transitions, 1688 flow. Second operand 4 states and 950 transitions. [2021-04-28 19:05:28,130 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 107 places, 200 transitions, 2155 flow [2021-04-28 19:07:02,413 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 104 places, 200 transitions, 2095 flow, removed 3 selfloop flow, removed 3 redundant places. [2021-04-28 19:07:02,419 INFO L241 Difference]: Finished difference. Result has 107 places, 192 transitions, 2106 flow [2021-04-28 19:07:02,419 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=428, PETRI_DIFFERENCE_MINUEND_FLOW=1630, PETRI_DIFFERENCE_MINUEND_PLACES=101, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=179, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=40, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=126, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=2106, PETRI_PLACES=107, PETRI_TRANSITIONS=192} [2021-04-28 19:07:02,419 INFO L343 CegarLoopForPetriNet]: 159 programPoint places, -52 predicate places. [2021-04-28 19:07:02,419 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 19:07:02,420 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 107 places, 192 transitions, 2106 flow [2021-04-28 19:07:02,420 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 107 places, 192 transitions, 2106 flow [2021-04-28 19:07:02,422 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 107 places, 192 transitions, 2106 flow [2021-04-28 19:08:26,926 INFO L129 PetriNetUnfolder]: 252312/434739 cut-off events. [2021-04-28 19:08:26,927 INFO L130 PetriNetUnfolder]: For 283935/829832 co-relation queries the response was YES. [2021-04-28 19:08:29,489 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1549374 conditions, 434739 events. 252312/434739 cut-off events. For 283935/829832 co-relation queries the response was YES. Maximal size of possible extension queue 78958. Compared 5983245 event pairs, 853 based on Foata normal form. 130/120103 useless extension candidates. Maximal degree in co-relation 1549338. Up to 311986 conditions per place. [2021-04-28 19:08:34,582 INFO L146 LiptonReduction]: Number of co-enabled transitions 11320 [2021-04-28 19:08:36,610 INFO L158 LiptonReduction]: Checked pairs total: 5180 [2021-04-28 19:08:36,610 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 19:08:36,610 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 94191 [2021-04-28 19:08:36,611 INFO L480 AbstractCegarLoop]: Abstraction has has 107 places, 192 transitions, 2106 flow [2021-04-28 19:08:36,611 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 233.25) internal successors, (933), 4 states have internal predecessors, (933), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 19:08:36,611 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 19:08:36,612 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] [2021-04-28 19:08:36,612 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-04-28 19:08:36,612 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 19:08:36,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 19:08:36,612 INFO L82 PathProgramCache]: Analyzing trace with hash 723743954, now seen corresponding path program 2 times [2021-04-28 19:08:36,612 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 19:08:36,612 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1767324947] [2021-04-28 19:08:36,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 19:08:36,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 19:08:36,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 19:08:36,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 19:08:36,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 19:08:36,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 19:08:36,694 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 19:08:36,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 19:08:36,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 19:08:36,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 19:08:36,712 INFO L142 QuantifierPusher]: treesize reduction 2, result has 84.6 percent of original size [2021-04-28 19:08:36,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-28 19:08:36,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 19:08:36,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 19:08:36,725 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 19:08:36,725 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1767324947] [2021-04-28 19:08:36,725 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 19:08:36,726 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-28 19:08:36,726 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [307295688] [2021-04-28 19:08:36,726 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-28 19:08:36,726 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 19:08:36,727 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-28 19:08:36,727 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-04-28 19:08:36,730 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 266 out of 428 [2021-04-28 19:08:36,732 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 107 places, 192 transitions, 2106 flow. Second operand has 7 states, 7 states have (on average 266.85714285714283) internal successors, (1868), 7 states have internal predecessors, (1868), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 19:08:36,732 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 19:08:36,732 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 266 of 428 [2021-04-28 19:08:36,732 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand Received shutdown request... [2021-04-28 19:10:11,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-28 19:10:11,015 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-04-28 19:10:11,015 WARN L545 AbstractCegarLoop]: Verification canceled [2021-04-28 19:10:11,018 WARN L224 ceAbstractionStarter]: Timeout [2021-04-28 19:10:11,019 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.04 07:10:11 BasicIcfg [2021-04-28 19:10:11,019 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-04-28 19:10:11,020 INFO L168 Benchmark]: Toolchain (without parser) took 722617.62 ms. Allocated memory was 308.3 MB in the beginning and 16.0 GB in the end (delta: 15.7 GB). Free memory was 281.8 MB in the beginning and 11.8 GB in the end (delta: -11.5 GB). Peak memory consumption was 4.3 GB. Max. memory is 16.0 GB. [2021-04-28 19:10:11,020 INFO L168 Benchmark]: CDTParser took 0.65 ms. Allocated memory is still 308.3 MB. Free memory is still 276.7 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-04-28 19:10:11,020 INFO L168 Benchmark]: CACSL2BoogieTranslator took 930.32 ms. Allocated memory is still 308.3 MB. Free memory was 278.7 MB in the beginning and 275.6 MB in the end (delta: 3.1 MB). Peak memory consumption was 27.6 MB. Max. memory is 16.0 GB. [2021-04-28 19:10:11,020 INFO L168 Benchmark]: Boogie Procedure Inliner took 59.50 ms. Allocated memory is still 308.3 MB. Free memory was 275.6 MB in the beginning and 272.7 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-04-28 19:10:11,021 INFO L168 Benchmark]: Boogie Preprocessor took 43.41 ms. Allocated memory is still 308.3 MB. Free memory was 272.7 MB in the beginning and 270.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-04-28 19:10:11,021 INFO L168 Benchmark]: RCFGBuilder took 2094.04 ms. Allocated memory was 308.3 MB in the beginning and 400.6 MB in the end (delta: 92.3 MB). Free memory was 270.6 MB in the beginning and 329.8 MB in the end (delta: -59.2 MB). Peak memory consumption was 168.3 MB. Max. memory is 16.0 GB. [2021-04-28 19:10:11,021 INFO L168 Benchmark]: TraceAbstraction took 719430.55 ms. Allocated memory was 400.6 MB in the beginning and 16.0 GB in the end (delta: 15.6 GB). Free memory was 329.8 MB in the beginning and 11.8 GB in the end (delta: -11.5 GB). Peak memory consumption was 4.3 GB. Max. memory is 16.0 GB. [2021-04-28 19:10:11,023 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.65 ms. Allocated memory is still 308.3 MB. Free memory is still 276.7 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 930.32 ms. Allocated memory is still 308.3 MB. Free memory was 278.7 MB in the beginning and 275.6 MB in the end (delta: 3.1 MB). Peak memory consumption was 27.6 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 59.50 ms. Allocated memory is still 308.3 MB. Free memory was 275.6 MB in the beginning and 272.7 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 43.41 ms. Allocated memory is still 308.3 MB. Free memory was 272.7 MB in the beginning and 270.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 2094.04 ms. Allocated memory was 308.3 MB in the beginning and 400.6 MB in the end (delta: 92.3 MB). Free memory was 270.6 MB in the beginning and 329.8 MB in the end (delta: -59.2 MB). Peak memory consumption was 168.3 MB. Max. memory is 16.0 GB. * TraceAbstraction took 719430.55 ms. Allocated memory was 400.6 MB in the beginning and 16.0 GB in the end (delta: 15.6 GB). Free memory was 329.8 MB in the beginning and 11.8 GB in the end (delta: -11.5 GB). Peak memory consumption was 4.3 GB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 49154.4ms, 124 PlacesBefore, 159 PlacesAfterwards, 113 TransitionsBefore, 147 TransitionsAfterwards, 2630 CoEnabledTransitionPairs, 9 FixpointIterations, 198 TrivialSequentialCompositions, 111 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 1 ChoiceCompositions, 311 TotalNumberOfCompositions, 27725 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 6471, positive: 6090, positive conditional: 6090, positive unconditional: 0, negative: 381, negative conditional: 381, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3156, positive: 3047, positive conditional: 0, positive unconditional: 3047, negative: 109, negative conditional: 0, negative unconditional: 109, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3156, positive: 3047, positive conditional: 0, positive unconditional: 3047, negative: 109, negative conditional: 0, negative unconditional: 109, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3156, positive: 2984, positive conditional: 0, positive unconditional: 2984, negative: 172, negative conditional: 0, negative unconditional: 172, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 172, positive: 63, positive conditional: 0, positive unconditional: 63, negative: 109, negative conditional: 0, negative unconditional: 109, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1628, positive: 249, positive conditional: 0, positive unconditional: 249, negative: 1380, negative conditional: 0, negative unconditional: 1380, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 6471, positive: 3043, positive conditional: 3043, positive unconditional: 0, negative: 272, negative conditional: 272, negative unconditional: 0, unknown: 3156, unknown conditional: 3156, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3156, Positive cache size: 3047, Positive conditional cache size: 3047, Positive unconditional cache size: 0, Negative cache size: 109, Negative conditional cache size: 109, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 369.0ms, 154 PlacesBefore, 91 PlacesAfterwards, 80 TransitionsBefore, 80 TransitionsAfterwards, 3174 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 4114 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 427, positive: 333, positive conditional: 333, positive unconditional: 0, negative: 94, negative conditional: 94, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 103, positive: 81, positive conditional: 0, positive unconditional: 81, negative: 22, negative conditional: 0, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 103, positive: 81, positive conditional: 0, positive unconditional: 81, negative: 22, negative conditional: 0, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 103, positive: 78, positive conditional: 0, positive unconditional: 78, negative: 25, negative conditional: 0, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 25, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 22, negative conditional: 0, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 341, positive: 12, positive conditional: 0, positive unconditional: 12, negative: 328, negative conditional: 0, negative unconditional: 328, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 427, positive: 252, positive conditional: 252, positive unconditional: 0, negative: 72, negative conditional: 72, negative unconditional: 0, unknown: 103, unknown conditional: 103, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3259, Positive cache size: 3128, Positive conditional cache size: 3128, Positive unconditional cache size: 0, Negative cache size: 131, Negative conditional cache size: 131, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 487.5ms, 93 PlacesBefore, 67 PlacesAfterwards, 62 TransitionsBefore, 62 TransitionsAfterwards, 2182 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 844 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 106, positive: 87, positive conditional: 87, positive unconditional: 0, negative: 19, negative conditional: 19, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 44, positive: 32, positive conditional: 2, positive unconditional: 30, negative: 12, negative conditional: 6, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 44, positive: 32, positive conditional: 2, positive unconditional: 30, negative: 12, negative conditional: 6, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 44, positive: 32, positive conditional: 0, positive unconditional: 32, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 12, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 12, negative conditional: 6, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 328, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 328, negative conditional: 303, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 106, positive: 55, positive conditional: 55, positive unconditional: 0, negative: 7, negative conditional: 7, negative unconditional: 0, unknown: 44, unknown conditional: 44, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3303, Positive cache size: 3160, Positive conditional cache size: 3160, Positive unconditional cache size: 0, Negative cache size: 143, Negative conditional cache size: 143, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 235.8ms, 71 PlacesBefore, 71 PlacesAfterwards, 67 TransitionsBefore, 67 TransitionsAfterwards, 2434 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 1008 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 180, positive: 159, positive conditional: 159, positive unconditional: 0, negative: 21, negative conditional: 21, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 19, positive: 14, positive conditional: 7, positive unconditional: 7, negative: 5, negative conditional: 1, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 19, positive: 14, positive conditional: 7, positive unconditional: 7, negative: 5, negative conditional: 1, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 19, positive: 14, positive conditional: 0, positive unconditional: 14, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 5, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 5, negative conditional: 1, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 123, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 123, negative conditional: 5, negative unconditional: 118, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 180, positive: 145, positive conditional: 145, positive unconditional: 0, negative: 16, negative conditional: 16, negative unconditional: 0, unknown: 19, unknown conditional: 19, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3322, Positive cache size: 3174, Positive conditional cache size: 3174, Positive unconditional cache size: 0, Negative cache size: 148, Negative conditional cache size: 148, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 338.3ms, 76 PlacesBefore, 76 PlacesAfterwards, 78 TransitionsBefore, 78 TransitionsAfterwards, 2950 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 1455 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 494, positive: 468, positive conditional: 468, positive unconditional: 0, negative: 26, negative conditional: 26, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 87, positive: 82, positive conditional: 31, positive unconditional: 51, negative: 5, negative conditional: 2, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 87, positive: 82, positive conditional: 31, positive unconditional: 51, negative: 5, negative conditional: 2, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 87, positive: 82, positive conditional: 0, positive unconditional: 82, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 5, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 5, negative conditional: 2, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 187, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 187, negative conditional: 73, negative unconditional: 113, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 494, positive: 386, positive conditional: 386, positive unconditional: 0, negative: 21, negative conditional: 21, negative unconditional: 0, unknown: 87, unknown conditional: 87, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3409, Positive cache size: 3256, Positive conditional cache size: 3256, Positive unconditional cache size: 0, Negative cache size: 153, Negative conditional cache size: 153, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 121.8ms, 79 PlacesBefore, 79 PlacesAfterwards, 78 TransitionsBefore, 78 TransitionsAfterwards, 2948 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 1455 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 470, positive: 444, positive conditional: 444, positive unconditional: 0, negative: 26, negative conditional: 26, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6, positive: 6, positive conditional: 5, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 6, positive: 6, positive conditional: 5, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 6, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 470, positive: 438, positive conditional: 438, positive unconditional: 0, negative: 26, negative conditional: 26, negative unconditional: 0, unknown: 6, unknown conditional: 6, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3415, Positive cache size: 3262, Positive conditional cache size: 3262, Positive unconditional cache size: 0, Negative cache size: 153, Negative conditional cache size: 153, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5971.1ms, 82 PlacesBefore, 82 PlacesAfterwards, 101 TransitionsBefore, 101 TransitionsAfterwards, 4354 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 1759 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 296, positive: 273, positive conditional: 273, positive unconditional: 0, negative: 23, negative conditional: 23, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 21, positive: 18, positive conditional: 11, positive unconditional: 7, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 21, positive: 18, positive conditional: 11, positive unconditional: 7, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 21, positive: 18, positive conditional: 0, positive unconditional: 18, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 80, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 80, negative conditional: 0, negative unconditional: 80, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 296, positive: 255, positive conditional: 255, positive unconditional: 0, negative: 20, negative conditional: 20, negative unconditional: 0, unknown: 21, unknown conditional: 21, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3436, Positive cache size: 3280, Positive conditional cache size: 3280, Positive unconditional cache size: 0, Negative cache size: 156, Negative conditional cache size: 156, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 11636.1ms, 87 PlacesBefore, 87 PlacesAfterwards, 124 TransitionsBefore, 124 TransitionsAfterwards, 5608 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 2780 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1324, positive: 1295, positive conditional: 1295, positive unconditional: 0, negative: 29, negative conditional: 29, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 125, positive: 122, positive conditional: 75, positive unconditional: 47, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 125, positive: 122, positive conditional: 75, positive unconditional: 47, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 125, positive: 122, positive conditional: 0, positive unconditional: 122, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 151, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 151, negative conditional: 0, negative unconditional: 151, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1324, positive: 1173, positive conditional: 1173, positive unconditional: 0, negative: 26, negative conditional: 26, negative unconditional: 0, unknown: 125, unknown conditional: 125, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3561, Positive cache size: 3402, Positive conditional cache size: 3402, Positive unconditional cache size: 0, Negative cache size: 159, Negative conditional cache size: 159, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 16603.4ms, 92 PlacesBefore, 92 PlacesAfterwards, 147 TransitionsBefore, 147 TransitionsAfterwards, 6148 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 3726 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1603, positive: 1568, positive conditional: 1568, positive unconditional: 0, negative: 35, negative conditional: 35, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 66, positive: 66, positive conditional: 65, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 66, positive: 66, positive conditional: 65, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 66, positive: 66, positive conditional: 0, positive unconditional: 66, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1603, positive: 1502, positive conditional: 1502, positive unconditional: 0, negative: 35, negative conditional: 35, negative unconditional: 0, unknown: 66, unknown conditional: 66, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3627, Positive cache size: 3468, Positive conditional cache size: 3468, Positive unconditional cache size: 0, Negative cache size: 159, Negative conditional cache size: 159, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 26847.3ms, 96 PlacesBefore, 96 PlacesAfterwards, 173 TransitionsBefore, 173 TransitionsAfterwards, 8594 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 4202 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 105, positive: 70, positive conditional: 70, positive unconditional: 0, negative: 35, negative conditional: 35, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 3, negative conditional: 3, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 6, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 3, negative conditional: 3, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 6, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3, negative conditional: 3, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 283, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 283, negative conditional: 283, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 105, positive: 67, positive conditional: 67, positive unconditional: 0, negative: 32, negative conditional: 32, negative unconditional: 0, unknown: 6, unknown conditional: 6, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3633, Positive cache size: 3471, Positive conditional cache size: 3471, Positive unconditional cache size: 0, Negative cache size: 162, Negative conditional cache size: 162, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 39984.5ms, 104 PlacesBefore, 104 PlacesAfterwards, 179 TransitionsBefore, 179 TransitionsAfterwards, 9476 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 4500 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 108, positive: 72, positive conditional: 72, positive unconditional: 0, negative: 36, negative conditional: 36, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 108, positive: 72, positive conditional: 72, positive unconditional: 0, negative: 36, negative conditional: 36, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3633, Positive cache size: 3471, Positive conditional cache size: 3471, Positive unconditional cache size: 0, Negative cache size: 162, Negative conditional cache size: 162, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 94190.2ms, 107 PlacesBefore, 107 PlacesAfterwards, 192 TransitionsBefore, 192 TransitionsAfterwards, 11320 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 5180 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 132, positive: 92, positive conditional: 92, positive unconditional: 0, negative: 40, negative conditional: 40, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 132, positive: 91, positive conditional: 91, positive unconditional: 0, negative: 40, negative conditional: 40, negative unconditional: 0, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3634, Positive cache size: 3472, Positive conditional cache size: 3472, Positive unconditional cache size: 0, Negative cache size: 162, Negative conditional cache size: 162, Negative unconditional cache size: 0 - TimeoutResultAtElement [Line: 18]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable (line 18). Cancelled while CegarLoopForPetriNetWithRepeatedLiptonReduction was enhancing Floyd-Hoare automaton (7states, 266/428 universal loopers) in iteration 12,while PetriNetUnfolder was constructing finite prefix that currently has 1628029 conditions, 365860 events (232630/365859 cut-off events. For 342266/8548156 co-relation queries the response was YES. Maximal size of possible extension queue 78693. Compared 4587450 event pairs, 40 based on Foata normal form. 2067/119335 useless extension candidates. Maximal degree in co-relation 1627991. Up to 245349 conditions per place.). - TimeoutResultAtElement [Line: 18]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable (line 18). Cancelled while CegarLoopForPetriNetWithRepeatedLiptonReduction was enhancing Floyd-Hoare automaton (7states, 266/428 universal loopers) in iteration 12,while PetriNetUnfolder was constructing finite prefix that currently has 1628029 conditions, 365860 events (232630/365859 cut-off events. For 342266/8548156 co-relation queries the response was YES. Maximal size of possible extension queue 78693. Compared 4587450 event pairs, 40 based on Foata normal form. 2067/119335 useless extension candidates. Maximal degree in co-relation 1627991. Up to 245349 conditions per place.). - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 116 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 16.7ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: TIMEOUT, OverallTime: 719209.2ms, OverallIterations: 12, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 471419.7ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 49283.9ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 154 SDtfs, 74 SDslu, 105 SDs, 0 SdLazy, 507 SolverSat, 387 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 844.7ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 48 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 342.3ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=2106occurred in iteration=11, InterpolantAutomatonStates: 47, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 45.7ms SsaConstructionTime, 470.4ms SatisfiabilityAnalysisTime, 888.7ms InterpolantComputationTime, 201 NumberOfCodeBlocks, 201 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 189 ConstructedInterpolants, 0 QuantifiedInterpolants, 1363 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown