./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread/sync01.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8d31f386 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread/sync01.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bfadf9642c1a15dc7e36a17b923c507de577ccb8 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread/sync01.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bfadf9642c1a15dc7e36a17b923c507de577ccb8 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: NullPointerException: null --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.multireach-323-8d31f38 [2021-07-05 15:19:53,508 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-05 15:19:53,510 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-05 15:19:53,562 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-07-05 15:19:53,563 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-07-05 15:19:53,566 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-07-05 15:19:53,567 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-07-05 15:19:53,571 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-07-05 15:19:53,573 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-07-05 15:19:53,577 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-07-05 15:19:53,578 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-07-05 15:19:53,580 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-07-05 15:19:53,580 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-05 15:19:53,582 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-05 15:19:53,583 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-05 15:19:53,584 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-05 15:19:53,586 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-05 15:19:53,587 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-05 15:19:53,589 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-05 15:19:53,594 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-05 15:19:53,595 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-05 15:19:53,596 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-05 15:19:53,598 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-05 15:19:53,599 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-05 15:19:53,605 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-07-05 15:19:53,605 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-07-05 15:19:53,605 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-07-05 15:19:53,607 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-07-05 15:19:53,607 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-07-05 15:19:53,608 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-07-05 15:19:53,608 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-07-05 15:19:53,609 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-07-05 15:19:53,610 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-07-05 15:19:53,611 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-07-05 15:19:53,611 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-07-05 15:19:53,612 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-07-05 15:19:53,612 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-07-05 15:19:53,612 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-07-05 15:19:53,613 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-05 15:19:53,614 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-05 15:19:53,614 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-05 15:19:53,618 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-07-05 15:19:53,651 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-05 15:19:53,652 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-05 15:19:53,654 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-05 15:19:53,654 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-05 15:19:53,654 INFO L138 SettingsManager]: * Use SBE=true [2021-07-05 15:19:53,654 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-05 15:19:53,655 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-05 15:19:53,655 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-05 15:19:53,655 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-05 15:19:53,656 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-05 15:19:53,656 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-05 15:19:53,657 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-05 15:19:53,657 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-05 15:19:53,657 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-05 15:19:53,657 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-05 15:19:53,657 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-05 15:19:53,657 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-05 15:19:53,658 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-05 15:19:53,658 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-05 15:19:53,658 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-05 15:19:53,658 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-05 15:19:53,658 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-05 15:19:53,659 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-05 15:19:53,659 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-05 15:19:53,659 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-05 15:19:53,659 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-05 15:19:53,659 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-05 15:19:53,659 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-07-05 15:19:53,660 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bfadf9642c1a15dc7e36a17b923c507de577ccb8 [2021-07-05 15:19:53,977 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-05 15:19:53,997 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-05 15:19:53,999 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-05 15:19:54,000 INFO L271 PluginConnector]: Initializing CDTParser... [2021-07-05 15:19:54,001 INFO L275 PluginConnector]: CDTParser initialized [2021-07-05 15:19:54,002 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread/sync01.i [2021-07-05 15:19:54,069 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4cd90070e/1a169b7f8842468f8e800f1475f39d7f/FLAG40b3f1cf8 [2021-07-05 15:19:54,616 INFO L306 CDTParser]: Found 1 translation units. [2021-07-05 15:19:54,616 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread/sync01.i [2021-07-05 15:19:54,628 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4cd90070e/1a169b7f8842468f8e800f1475f39d7f/FLAG40b3f1cf8 [2021-07-05 15:19:54,930 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4cd90070e/1a169b7f8842468f8e800f1475f39d7f [2021-07-05 15:19:54,933 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-05 15:19:54,935 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-07-05 15:19:54,938 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-07-05 15:19:54,938 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-07-05 15:19:54,941 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-07-05 15:19:54,942 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.07 03:19:54" (1/1) ... [2021-07-05 15:19:54,943 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@534b423c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 03:19:54, skipping insertion in model container [2021-07-05 15:19:54,943 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.07 03:19:54" (1/1) ... [2021-07-05 15:19:54,949 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-07-05 15:19:54,997 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-07-05 15:19:55,398 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread/sync01.i[42004,42017] [2021-07-05 15:19:55,401 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-05 15:19:55,415 INFO L203 MainTranslator]: Completed pre-run [2021-07-05 15:19:55,469 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread/sync01.i[42004,42017] [2021-07-05 15:19:55,471 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-05 15:19:55,603 INFO L208 MainTranslator]: Completed translation [2021-07-05 15:19:55,603 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 03:19:55 WrapperNode [2021-07-05 15:19:55,603 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-07-05 15:19:55,604 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-05 15:19:55,604 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-05 15:19:55,606 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-05 15:19:55,612 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 03:19:55" (1/1) ... [2021-07-05 15:19:55,629 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 03:19:55" (1/1) ... [2021-07-05 15:19:55,652 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-05 15:19:55,653 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-05 15:19:55,653 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-05 15:19:55,653 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-05 15:19:55,660 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 03:19:55" (1/1) ... [2021-07-05 15:19:55,660 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 03:19:55" (1/1) ... [2021-07-05 15:19:55,663 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 03:19:55" (1/1) ... [2021-07-05 15:19:55,663 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 03:19:55" (1/1) ... [2021-07-05 15:19:55,669 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 03:19:55" (1/1) ... [2021-07-05 15:19:55,671 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 03:19:55" (1/1) ... [2021-07-05 15:19:55,673 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 03:19:55" (1/1) ... [2021-07-05 15:19:55,675 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-05 15:19:55,676 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-05 15:19:55,676 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-05 15:19:55,676 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-05 15:19:55,677 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 03:19:55" (1/1) ... [2021-07-05 15:19:55,682 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-05 15:19:55,690 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-05 15:19:55,711 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-07-05 15:19:55,727 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-07-05 15:19:55,752 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-07-05 15:19:55,753 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-07-05 15:19:55,753 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-07-05 15:19:55,753 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-05 15:19:55,754 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-05 15:19:55,754 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-05 15:19:55,754 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-05 15:19:55,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-07-05 15:19:55,754 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-07-05 15:19:55,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-07-05 15:19:55,755 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-05 15:19:55,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-05 15:19:55,757 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-05 15:19:56,071 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-05 15:19:56,071 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-07-05 15:19:56,072 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.07 03:19:56 BoogieIcfgContainer [2021-07-05 15:19:56,072 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-05 15:19:56,074 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-05 15:19:56,074 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-05 15:19:56,076 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-05 15:19:56,076 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.07 03:19:54" (1/3) ... [2021-07-05 15:19:56,077 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@476fb907 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.07 03:19:56, skipping insertion in model container [2021-07-05 15:19:56,077 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 03:19:55" (2/3) ... [2021-07-05 15:19:56,077 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@476fb907 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.07 03:19:56, skipping insertion in model container [2021-07-05 15:19:56,077 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.07 03:19:56" (3/3) ... [2021-07-05 15:19:56,078 INFO L111 eAbstractionObserver]: Analyzing ICFG sync01.i [2021-07-05 15:19:56,083 WARN L144 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-05 15:19:56,083 INFO L198 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-05 15:19:56,084 INFO L158 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-05 15:19:56,084 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-05 15:19:56,132 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:19:56,133 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:19:56,133 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:19:56,133 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:19:56,133 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:19:56,133 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:19:56,133 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:19:56,134 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:19:56,134 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:19:56,134 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:19:56,134 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:19:56,134 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:19:56,135 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:19:56,135 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:19:56,135 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:19:56,135 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:19:56,136 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:19:56,136 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:19:56,136 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:19:56,136 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:19:56,136 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:19:56,137 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:19:56,137 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:19:56,137 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:19:56,137 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:19:56,137 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:19:56,138 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:19:56,138 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:19:56,138 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:19:56,138 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:19:56,138 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:19:56,139 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:19:56,139 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:19:56,139 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:19:56,139 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:19:56,139 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:19:56,140 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:19:56,140 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:19:56,140 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:19:56,140 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:19:56,141 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:19:56,141 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:19:56,141 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:19:56,141 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:19:56,141 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:19:56,142 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:19:56,142 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:19:56,142 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:19:56,142 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:19:56,142 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:19:56,143 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:19:56,143 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:19:56,145 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:19:56,145 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:19:56,145 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:19:56,145 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:19:56,145 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:19:56,145 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:19:56,145 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:19:56,156 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:19:56,157 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:19:56,157 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:19:56,157 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:19:56,157 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:19:56,157 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:19:56,157 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:19:56,179 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-07-05 15:19:56,228 INFO L328 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION ======== [2021-07-05 15:19:56,235 INFO L329 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mLimitAnalysisTime=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-07-05 15:19:56,236 INFO L330 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-07-05 15:19:56,252 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-07-05 15:19:56,262 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 102 places, 102 transitions, 226 flow [2021-07-05 15:19:56,265 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 102 places, 102 transitions, 226 flow [2021-07-05 15:19:56,266 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 102 places, 102 transitions, 226 flow [2021-07-05 15:19:56,333 INFO L129 PetriNetUnfolder]: 6/102 cut-off events. [2021-07-05 15:19:56,334 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-07-05 15:19:56,338 INFO L84 FinitePrefix]: Finished finitePrefix Result has 113 conditions, 102 events. 6/102 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 74 event pairs, 0 based on Foata normal form. 0/96 useless extension candidates. Maximal degree in co-relation 64. Up to 3 conditions per place. [2021-07-05 15:19:56,341 INFO L116 LiptonReduction]: Number of co-enabled transitions 990 [2021-07-05 15:19:59,021 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 76 [2021-07-05 15:19:59,196 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 76 [2021-07-05 15:19:59,497 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2021-07-05 15:19:59,599 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2021-07-05 15:19:59,704 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2021-07-05 15:19:59,942 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2021-07-05 15:20:00,054 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2021-07-05 15:20:00,168 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2021-07-05 15:20:00,280 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2021-07-05 15:20:00,972 WARN L205 SmtUtils]: Spent 687.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 177 [2021-07-05 15:20:01,315 WARN L205 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2021-07-05 15:20:02,064 WARN L205 SmtUtils]: Spent 747.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 177 [2021-07-05 15:20:02,401 WARN L205 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2021-07-05 15:20:02,407 INFO L131 LiptonReduction]: Checked pairs total: 3840 [2021-07-05 15:20:02,408 INFO L133 LiptonReduction]: Total number of compositions: 79 [2021-07-05 15:20:02,414 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 35 places, 34 transitions, 90 flow [2021-07-05 15:20:02,429 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 198 states, 196 states have (on average 2.5255102040816326) internal successors, (495), 197 states have internal predecessors, (495), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 15:20:02,432 INFO L276 IsEmpty]: Start isEmpty. Operand has 198 states, 196 states have (on average 2.5255102040816326) internal successors, (495), 197 states have internal predecessors, (495), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 15:20:02,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-07-05 15:20:02,439 INFO L517 BasicCegarLoop]: Found error trace [2021-07-05 15:20:02,440 INFO L525 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-05 15:20:02,440 INFO L374 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-05 15:20:02,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-05 15:20:02,446 INFO L82 PathProgramCache]: Analyzing trace with hash -1211797006, now seen corresponding path program 1 times [2021-07-05 15:20:02,452 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-05 15:20:02,452 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1692993556] [2021-07-05 15:20:02,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 15:20:02,453 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-05 15:20:02,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-05 15:20:02,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:02,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:02,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:02,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:02,642 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-05 15:20:02,642 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-05 15:20:02,642 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1692993556] [2021-07-05 15:20:02,643 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1692993556] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-05 15:20:02,643 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-05 15:20:02,643 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-05 15:20:02,644 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [854847622] [2021-07-05 15:20:02,648 INFO L425 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-07-05 15:20:02,648 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-05 15:20:02,657 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-07-05 15:20:02,657 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-07-05 15:20:02,659 INFO L87 Difference]: Start difference. First operand has 198 states, 196 states have (on average 2.5255102040816326) internal successors, (495), 197 states have internal predecessors, (495), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 15:20:02,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-05 15:20:02,674 INFO L93 Difference]: Finished difference Result 198 states and 455 transitions. [2021-07-05 15:20:02,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-05 15:20:02,675 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2021-07-05 15:20:02,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-05 15:20:02,684 INFO L225 Difference]: With dead ends: 198 [2021-07-05 15:20:02,684 INFO L226 Difference]: Without dead ends: 197 [2021-07-05 15:20:02,685 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-07-05 15:20:02,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2021-07-05 15:20:02,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 197. [2021-07-05 15:20:02,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 197 states, 196 states have (on average 2.316326530612245) internal successors, (454), 196 states have internal predecessors, (454), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 15:20:02,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 454 transitions. [2021-07-05 15:20:02,724 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 454 transitions. Word has length 15 [2021-07-05 15:20:02,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-05 15:20:02,725 INFO L442 AbstractCegarLoop]: Abstraction has 197 states and 454 transitions. [2021-07-05 15:20:02,725 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 15:20:02,725 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 454 transitions. [2021-07-05 15:20:02,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-07-05 15:20:02,727 INFO L517 BasicCegarLoop]: Found error trace [2021-07-05 15:20:02,727 INFO L525 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-05 15:20:02,727 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-05 15:20:02,727 INFO L374 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-05 15:20:02,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-05 15:20:02,728 INFO L82 PathProgramCache]: Analyzing trace with hash -949721443, now seen corresponding path program 1 times [2021-07-05 15:20:02,728 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-05 15:20:02,728 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2065065043] [2021-07-05 15:20:02,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 15:20:02,729 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-05 15:20:02,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-05 15:20:02,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:02,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-05 15:20:02,789 INFO L142 QuantifierPusher]: treesize reduction 8, result has 11.1 percent of original size [2021-07-05 15:20:02,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:02,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:02,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:02,790 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-05 15:20:02,790 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-05 15:20:02,791 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2065065043] [2021-07-05 15:20:02,791 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2065065043] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-05 15:20:02,791 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-05 15:20:02,791 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-05 15:20:02,791 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [740902573] [2021-07-05 15:20:02,792 INFO L425 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-05 15:20:02,792 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-05 15:20:02,793 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-05 15:20:02,793 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-05 15:20:02,793 INFO L87 Difference]: Start difference. First operand 197 states and 454 transitions. Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 2 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 15:20:02,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-05 15:20:02,807 INFO L93 Difference]: Finished difference Result 107 states and 223 transitions. [2021-07-05 15:20:02,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-05 15:20:02,808 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 2 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 21 [2021-07-05 15:20:02,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-05 15:20:02,809 INFO L225 Difference]: With dead ends: 107 [2021-07-05 15:20:02,809 INFO L226 Difference]: Without dead ends: 107 [2021-07-05 15:20:02,809 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.3ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-05 15:20:02,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2021-07-05 15:20:02,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2021-07-05 15:20:02,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 106 states have (on average 2.1037735849056602) internal successors, (223), 106 states have internal predecessors, (223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 15:20:02,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 223 transitions. [2021-07-05 15:20:02,823 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 223 transitions. Word has length 21 [2021-07-05 15:20:02,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-05 15:20:02,823 INFO L442 AbstractCegarLoop]: Abstraction has 107 states and 223 transitions. [2021-07-05 15:20:02,824 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 2 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 15:20:02,824 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 223 transitions. [2021-07-05 15:20:02,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-07-05 15:20:02,825 INFO L517 BasicCegarLoop]: Found error trace [2021-07-05 15:20:02,825 INFO L525 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-05 15:20:02,825 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-05 15:20:02,825 INFO L374 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-05 15:20:02,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-05 15:20:02,826 INFO L82 PathProgramCache]: Analyzing trace with hash -1585374815, now seen corresponding path program 2 times [2021-07-05 15:20:02,826 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-05 15:20:02,826 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [173437576] [2021-07-05 15:20:02,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 15:20:02,826 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-05 15:20:02,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-05 15:20:02,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:02,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 15:20:02,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:02,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 15:20:02,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:02,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 15:20:02,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:02,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:02,892 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-05 15:20:02,892 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-05 15:20:02,892 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [173437576] [2021-07-05 15:20:02,893 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [173437576] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-05 15:20:02,893 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-05 15:20:02,893 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-07-05 15:20:02,893 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [906016570] [2021-07-05 15:20:02,893 INFO L425 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-05 15:20:02,893 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-05 15:20:02,894 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-05 15:20:02,894 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-07-05 15:20:02,894 INFO L87 Difference]: Start difference. First operand 107 states and 223 transitions. Second operand has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 15:20:02,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-05 15:20:02,939 INFO L93 Difference]: Finished difference Result 95 states and 177 transitions. [2021-07-05 15:20:02,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-05 15:20:02,939 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 21 [2021-07-05 15:20:02,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-05 15:20:02,940 INFO L225 Difference]: With dead ends: 95 [2021-07-05 15:20:02,941 INFO L226 Difference]: Without dead ends: 95 [2021-07-05 15:20:02,941 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 18.4ms TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-07-05 15:20:02,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2021-07-05 15:20:02,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2021-07-05 15:20:02,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 94 states have (on average 1.8829787234042554) internal successors, (177), 94 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 15:20:02,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 177 transitions. [2021-07-05 15:20:02,947 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 177 transitions. Word has length 21 [2021-07-05 15:20:02,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-05 15:20:02,947 INFO L442 AbstractCegarLoop]: Abstraction has 95 states and 177 transitions. [2021-07-05 15:20:02,947 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 15:20:02,948 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 177 transitions. [2021-07-05 15:20:02,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-07-05 15:20:02,949 INFO L517 BasicCegarLoop]: Found error trace [2021-07-05 15:20:02,949 INFO L525 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-05 15:20:02,949 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-07-05 15:20:02,949 INFO L374 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-05 15:20:02,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-05 15:20:02,957 INFO L82 PathProgramCache]: Analyzing trace with hash 1174016453, now seen corresponding path program 3 times [2021-07-05 15:20:02,958 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-05 15:20:02,958 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [869878379] [2021-07-05 15:20:02,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 15:20:02,958 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-05 15:20:02,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-05 15:20:02,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:02,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 15:20:02,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:02,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 15:20:03,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:03,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-07-05 15:20:03,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:03,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:03,005 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-05 15:20:03,006 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-05 15:20:03,006 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [869878379] [2021-07-05 15:20:03,006 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [869878379] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-05 15:20:03,006 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-05 15:20:03,006 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-07-05 15:20:03,007 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2145379350] [2021-07-05 15:20:03,007 INFO L425 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-05 15:20:03,007 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-05 15:20:03,008 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-05 15:20:03,008 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-07-05 15:20:03,008 INFO L87 Difference]: Start difference. First operand 95 states and 177 transitions. Second operand has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 15:20:03,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-05 15:20:03,071 INFO L93 Difference]: Finished difference Result 80 states and 137 transitions. [2021-07-05 15:20:03,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-05 15:20:03,072 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 21 [2021-07-05 15:20:03,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-05 15:20:03,073 INFO L225 Difference]: With dead ends: 80 [2021-07-05 15:20:03,073 INFO L226 Difference]: Without dead ends: 80 [2021-07-05 15:20:03,073 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 21.0ms TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-07-05 15:20:03,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2021-07-05 15:20:03,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2021-07-05 15:20:03,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 79 states have (on average 1.7341772151898733) internal successors, (137), 79 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 15:20:03,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 137 transitions. [2021-07-05 15:20:03,084 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 137 transitions. Word has length 21 [2021-07-05 15:20:03,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-05 15:20:03,084 INFO L442 AbstractCegarLoop]: Abstraction has 80 states and 137 transitions. [2021-07-05 15:20:03,084 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 15:20:03,084 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 137 transitions. [2021-07-05 15:20:03,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-07-05 15:20:03,091 INFO L517 BasicCegarLoop]: Found error trace [2021-07-05 15:20:03,091 INFO L525 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-05 15:20:03,091 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-07-05 15:20:03,091 INFO L374 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-05 15:20:03,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-05 15:20:03,092 INFO L82 PathProgramCache]: Analyzing trace with hash -366885377, now seen corresponding path program 4 times [2021-07-05 15:20:03,092 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-05 15:20:03,092 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [616966404] [2021-07-05 15:20:03,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 15:20:03,093 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-05 15:20:03,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-05 15:20:03,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:03,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 15:20:03,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:03,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-05 15:20:03,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:03,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 15:20:03,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:03,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 15:20:03,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:03,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 15:20:03,228 INFO L142 QuantifierPusher]: treesize reduction 9, result has 43.8 percent of original size [2021-07-05 15:20:03,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 15:20:03,231 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-05 15:20:03,231 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-05 15:20:03,232 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [616966404] [2021-07-05 15:20:03,232 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [616966404] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-05 15:20:03,232 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-05 15:20:03,233 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-07-05 15:20:03,233 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1838313189] [2021-07-05 15:20:03,234 INFO L425 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-07-05 15:20:03,234 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-05 15:20:03,234 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-07-05 15:20:03,234 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-07-05 15:20:03,235 INFO L87 Difference]: Start difference. First operand 80 states and 137 transitions. Second operand has 7 states, 6 states have (on average 3.5) internal successors, (21), 6 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 15:20:03,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-05 15:20:03,282 INFO L93 Difference]: Finished difference Result 74 states and 122 transitions. [2021-07-05 15:20:03,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-05 15:20:03,283 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 3.5) internal successors, (21), 6 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 21 [2021-07-05 15:20:03,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-05 15:20:03,283 INFO L225 Difference]: With dead ends: 74 [2021-07-05 15:20:03,283 INFO L226 Difference]: Without dead ends: 0 [2021-07-05 15:20:03,284 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 35.8ms TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2021-07-05 15:20:03,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-07-05 15:20:03,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-07-05 15:20:03,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 15:20:03,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-07-05 15:20:03,285 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 21 [2021-07-05 15:20:03,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-05 15:20:03,285 INFO L442 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-07-05 15:20:03,285 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 7 states, 6 states have (on average 3.5) internal successors, (21), 6 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 15:20:03,285 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-07-05 15:20:03,286 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-07-05 15:20:03,288 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-07-05 15:20:03,288 WARN L182 nStatisticsGenerator]: total relevant statements: 0 [2021-07-05 15:20:03,290 INFO L303 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION was SAFE (1/3) [2021-07-05 15:20:03,293 INFO L328 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0INUSE_VIOLATION ======== [2021-07-05 15:20:03,294 INFO L329 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mLimitAnalysisTime=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-07-05 15:20:03,294 INFO L330 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-07-05 15:20:03,295 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-07-05 15:20:03,295 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 102 places, 102 transitions, 226 flow [2021-07-05 15:20:03,296 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 102 places, 102 transitions, 226 flow [2021-07-05 15:20:03,296 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 102 places, 102 transitions, 226 flow [2021-07-05 15:20:03,309 INFO L129 PetriNetUnfolder]: 6/102 cut-off events. [2021-07-05 15:20:03,309 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-07-05 15:20:03,310 INFO L84 FinitePrefix]: Finished finitePrefix Result has 113 conditions, 102 events. 6/102 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 74 event pairs, 0 based on Foata normal form. 0/96 useless extension candidates. Maximal degree in co-relation 64. Up to 3 conditions per place. [2021-07-05 15:20:03,311 INFO L116 LiptonReduction]: Number of co-enabled transitions 990 [2021-07-05 15:20:05,727 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2021-07-05 15:20:05,836 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2021-07-05 15:20:05,953 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2021-07-05 15:20:06,070 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2021-07-05 15:20:06,452 WARN L205 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 139 [2021-07-05 15:20:06,612 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2021-07-05 15:20:07,045 WARN L205 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 139 [2021-07-05 15:20:07,209 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2021-07-05 15:20:07,879 WARN L205 SmtUtils]: Spent 667.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 177 [2021-07-05 15:20:08,199 WARN L205 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2021-07-05 15:20:08,946 WARN L205 SmtUtils]: Spent 745.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 177 [2021-07-05 15:20:09,271 WARN L205 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2021-07-05 15:20:09,275 INFO L131 LiptonReduction]: Checked pairs total: 3800 [2021-07-05 15:20:09,275 INFO L133 LiptonReduction]: Total number of compositions: 79 [2021-07-05 15:20:09,276 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 35 places, 34 transitions, 90 flow [2021-07-05 15:20:09,282 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 198 states, 196 states have (on average 2.5255102040816326) internal successors, (495), 197 states have internal predecessors, (495), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 15:20:09,282 INFO L276 IsEmpty]: Start isEmpty. Operand has 198 states, 196 states have (on average 2.5255102040816326) internal successors, (495), 197 states have internal predecessors, (495), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 15:20:09,283 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-07-05 15:20:09,283 INFO L374 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION] === [2021-07-05 15:20:09,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-05 15:20:09,284 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.NullPointerException at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.PathProgramCache.addRun(PathProgramCache.java:68) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.StrategyFactory.constructStrategy(StrategyFactory.java:135) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.StrategyFactory.constructStrategy(StrategyFactory.java:119) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:610) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.isCounterexampleFeasibleInternal(AbstractCegarLoop.java:488) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:382) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:320) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:53) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:298) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:221) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:169) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:150) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-07-05 15:20:09,287 INFO L168 Benchmark]: Toolchain (without parser) took 14351.86 ms. Allocated memory was 65.0 MB in the beginning and 260.0 MB in the end (delta: 195.0 MB). Free memory was 43.8 MB in the beginning and 212.7 MB in the end (delta: -168.9 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. [2021-07-05 15:20:09,287 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 65.0 MB. Free memory is still 47.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-07-05 15:20:09,287 INFO L168 Benchmark]: CACSL2BoogieTranslator took 665.89 ms. Allocated memory was 65.0 MB in the beginning and 88.1 MB in the end (delta: 23.1 MB). Free memory was 43.6 MB in the beginning and 46.7 MB in the end (delta: -3.1 MB). Peak memory consumption was 18.8 MB. Max. memory is 16.1 GB. [2021-07-05 15:20:09,288 INFO L168 Benchmark]: Boogie Procedure Inliner took 47.95 ms. Allocated memory is still 88.1 MB. Free memory was 46.7 MB in the beginning and 70.4 MB in the end (delta: -23.7 MB). Peak memory consumption was 5.3 MB. Max. memory is 16.1 GB. [2021-07-05 15:20:09,288 INFO L168 Benchmark]: Boogie Preprocessor took 22.91 ms. Allocated memory is still 88.1 MB. Free memory was 70.4 MB in the beginning and 69.2 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-07-05 15:20:09,288 INFO L168 Benchmark]: RCFGBuilder took 396.32 ms. Allocated memory is still 88.1 MB. Free memory was 69.2 MB in the beginning and 68.0 MB in the end (delta: 1.2 MB). Peak memory consumption was 28.4 MB. Max. memory is 16.1 GB. [2021-07-05 15:20:09,289 INFO L168 Benchmark]: TraceAbstraction took 13212.18 ms. Allocated memory was 88.1 MB in the beginning and 260.0 MB in the end (delta: 172.0 MB). Free memory was 67.3 MB in the beginning and 212.7 MB in the end (delta: -145.4 MB). Peak memory consumption was 25.1 MB. Max. memory is 16.1 GB. [2021-07-05 15:20:09,290 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 65.0 MB. Free memory is still 47.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 665.89 ms. Allocated memory was 65.0 MB in the beginning and 88.1 MB in the end (delta: 23.1 MB). Free memory was 43.6 MB in the beginning and 46.7 MB in the end (delta: -3.1 MB). Peak memory consumption was 18.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 47.95 ms. Allocated memory is still 88.1 MB. Free memory was 46.7 MB in the beginning and 70.4 MB in the end (delta: -23.7 MB). Peak memory consumption was 5.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 22.91 ms. Allocated memory is still 88.1 MB. Free memory was 70.4 MB in the beginning and 69.2 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 396.32 ms. Allocated memory is still 88.1 MB. Free memory was 69.2 MB in the beginning and 68.0 MB in the end (delta: 1.2 MB). Peak memory consumption was 28.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 13212.18 ms. Allocated memory was 88.1 MB in the beginning and 260.0 MB in the end (delta: 172.0 MB). Free memory was 67.3 MB in the beginning and 212.7 MB in the end (delta: -145.4 MB). Peak memory consumption was 25.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 6143.3ms, 102 PlacesBefore, 35 PlacesAfterwards, 102 TransitionsBefore, 34 TransitionsAfterwards, 990 CoEnabledTransitionPairs, 7 FixpointIterations, 47 TrivialSequentialCompositions, 18 ConcurrentSequentialCompositions, 7 TrivialYvCompositions, 6 ConcurrentYvCompositions, 1 ChoiceCompositions, 79 TotalNumberOfCompositions, 3840 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2432, positive: 2277, positive conditional: 0, positive unconditional: 2277, negative: 155, negative conditional: 0, negative unconditional: 155, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 776, positive: 741, positive conditional: 0, positive unconditional: 741, negative: 35, negative conditional: 0, negative unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 776, positive: 704, positive conditional: 0, positive unconditional: 704, negative: 72, negative conditional: 0, negative unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 72, positive: 37, positive conditional: 0, positive unconditional: 37, negative: 35, negative conditional: 0, negative unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 213, positive: 73, positive conditional: 0, positive unconditional: 73, negative: 140, negative conditional: 0, negative unconditional: 140, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2432, positive: 1536, positive conditional: 0, positive unconditional: 1536, negative: 120, negative conditional: 0, negative unconditional: 120, unknown: 776, unknown conditional: 0, unknown unconditional: 776] , Statistics on independence cache: Total cache size (in pairs): 191, Positive cache size: 174, Positive conditional cache size: 0, Positive unconditional cache size: 174, Negative cache size: 17, Negative conditional cache size: 0, Negative unconditional cache size: 17 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5979.6ms, 102 PlacesBefore, 35 PlacesAfterwards, 102 TransitionsBefore, 34 TransitionsAfterwards, 990 CoEnabledTransitionPairs, 7 FixpointIterations, 48 TrivialSequentialCompositions, 18 ConcurrentSequentialCompositions, 6 TrivialYvCompositions, 6 ConcurrentYvCompositions, 1 ChoiceCompositions, 79 TotalNumberOfCompositions, 3800 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2488, positive: 2333, positive conditional: 0, positive unconditional: 2333, negative: 155, negative conditional: 0, negative unconditional: 155, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 780, positive: 742, positive conditional: 0, positive unconditional: 742, negative: 38, negative conditional: 0, negative unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 780, positive: 711, positive conditional: 0, positive unconditional: 711, negative: 69, negative conditional: 0, negative unconditional: 69, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 69, positive: 31, positive conditional: 0, positive unconditional: 31, negative: 38, negative conditional: 0, negative unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 168, positive: 56, positive conditional: 0, positive unconditional: 56, negative: 112, negative conditional: 0, negative unconditional: 112, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2488, positive: 1591, positive conditional: 0, positive unconditional: 1591, negative: 117, negative conditional: 0, negative unconditional: 117, unknown: 780, unknown conditional: 0, unknown unconditional: 780] , Statistics on independence cache: Total cache size (in pairs): 212, Positive cache size: 192, Positive conditional cache size: 0, Positive unconditional cache size: 192, Negative cache size: 20, Negative conditional cache size: 0, Negative unconditional cache size: 20 - ExceptionOrErrorResult: NullPointerException: null de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: NullPointerException: null: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.PathProgramCache.addRun(PathProgramCache.java:68) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-07-05 15:20:09,316 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-wip.dd.multireach-323-8d31f38 [2021-07-05 15:20:11,174 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-05 15:20:11,177 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-05 15:20:11,217 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-07-05 15:20:11,218 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-07-05 15:20:11,222 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-07-05 15:20:11,223 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-07-05 15:20:11,228 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-07-05 15:20:11,230 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-07-05 15:20:11,238 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-07-05 15:20:11,239 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-07-05 15:20:11,241 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-07-05 15:20:11,241 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-05 15:20:11,243 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-05 15:20:11,245 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-05 15:20:11,246 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-05 15:20:11,248 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-05 15:20:11,249 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-05 15:20:11,251 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-05 15:20:11,257 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-05 15:20:11,258 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-05 15:20:11,259 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-05 15:20:11,261 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-05 15:20:11,262 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-05 15:20:11,268 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-07-05 15:20:11,269 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-07-05 15:20:11,269 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-07-05 15:20:11,271 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-07-05 15:20:11,272 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-07-05 15:20:11,273 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-07-05 15:20:11,273 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-07-05 15:20:11,273 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-07-05 15:20:11,275 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-07-05 15:20:11,276 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-07-05 15:20:11,277 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-07-05 15:20:11,277 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-07-05 15:20:11,278 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-07-05 15:20:11,278 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-07-05 15:20:11,278 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-05 15:20:11,279 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-05 15:20:11,280 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-05 15:20:11,281 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-07-05 15:20:11,321 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-05 15:20:11,322 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-05 15:20:11,324 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-05 15:20:11,324 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-05 15:20:11,324 INFO L138 SettingsManager]: * Use SBE=true [2021-07-05 15:20:11,325 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-05 15:20:11,325 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-05 15:20:11,325 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-05 15:20:11,325 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-05 15:20:11,326 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-05 15:20:11,327 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-05 15:20:11,327 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-05 15:20:11,327 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-07-05 15:20:11,327 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-07-05 15:20:11,327 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-05 15:20:11,328 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-05 15:20:11,328 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-05 15:20:11,328 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-05 15:20:11,328 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-05 15:20:11,329 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-05 15:20:11,329 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-05 15:20:11,329 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-05 15:20:11,330 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-05 15:20:11,330 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-05 15:20:11,330 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-05 15:20:11,330 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-07-05 15:20:11,330 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-07-05 15:20:11,331 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-05 15:20:11,331 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-07-05 15:20:11,331 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-07-05 15:20:11,331 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bfadf9642c1a15dc7e36a17b923c507de577ccb8 [2021-07-05 15:20:11,658 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-05 15:20:11,675 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-05 15:20:11,677 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-05 15:20:11,678 INFO L271 PluginConnector]: Initializing CDTParser... [2021-07-05 15:20:11,679 INFO L275 PluginConnector]: CDTParser initialized [2021-07-05 15:20:11,680 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread/sync01.i [2021-07-05 15:20:11,731 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee522fede/617ffdad0a874b0e9bd4d8f1936c9d96/FLAG49ddbad7c [2021-07-05 15:20:12,203 INFO L306 CDTParser]: Found 1 translation units. [2021-07-05 15:20:12,204 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread/sync01.i [2021-07-05 15:20:12,220 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee522fede/617ffdad0a874b0e9bd4d8f1936c9d96/FLAG49ddbad7c [2021-07-05 15:20:12,702 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee522fede/617ffdad0a874b0e9bd4d8f1936c9d96 [2021-07-05 15:20:12,705 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-05 15:20:12,707 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-07-05 15:20:12,712 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-07-05 15:20:12,713 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-07-05 15:20:12,716 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-07-05 15:20:12,717 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.07 03:20:12" (1/1) ... [2021-07-05 15:20:12,718 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d23fc09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 03:20:12, skipping insertion in model container [2021-07-05 15:20:12,718 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.07 03:20:12" (1/1) ... [2021-07-05 15:20:12,723 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-07-05 15:20:12,779 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-07-05 15:20:13,164 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread/sync01.i[42004,42017] [2021-07-05 15:20:13,167 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-05 15:20:13,183 INFO L203 MainTranslator]: Completed pre-run [2021-07-05 15:20:13,224 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread/sync01.i[42004,42017] [2021-07-05 15:20:13,225 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-05 15:20:13,370 INFO L208 MainTranslator]: Completed translation [2021-07-05 15:20:13,370 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 03:20:13 WrapperNode [2021-07-05 15:20:13,372 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-07-05 15:20:13,373 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-05 15:20:13,373 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-05 15:20:13,373 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-05 15:20:13,379 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 03:20:13" (1/1) ... [2021-07-05 15:20:13,414 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 03:20:13" (1/1) ... [2021-07-05 15:20:13,448 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-05 15:20:13,450 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-05 15:20:13,450 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-05 15:20:13,450 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-05 15:20:13,456 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 03:20:13" (1/1) ... [2021-07-05 15:20:13,456 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 03:20:13" (1/1) ... [2021-07-05 15:20:13,463 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 03:20:13" (1/1) ... [2021-07-05 15:20:13,463 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 03:20:13" (1/1) ... [2021-07-05 15:20:13,481 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 03:20:13" (1/1) ... [2021-07-05 15:20:13,493 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 03:20:13" (1/1) ... [2021-07-05 15:20:13,496 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 03:20:13" (1/1) ... [2021-07-05 15:20:13,508 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-05 15:20:13,509 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-05 15:20:13,509 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-05 15:20:13,509 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-05 15:20:13,510 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 03:20:13" (1/1) ... [2021-07-05 15:20:13,516 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-05 15:20:13,523 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-05 15:20:13,538 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-07-05 15:20:13,562 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-07-05 15:20:13,593 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-07-05 15:20:13,594 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-07-05 15:20:13,594 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-07-05 15:20:13,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-07-05 15:20:13,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-07-05 15:20:13,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-07-05 15:20:13,595 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-05 15:20:13,595 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-05 15:20:13,595 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-05 15:20:13,595 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-05 15:20:13,595 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-07-05 15:20:13,595 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-05 15:20:13,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-05 15:20:13,597 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-05 15:20:14,113 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-05 15:20:14,113 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-07-05 15:20:14,114 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.07 03:20:14 BoogieIcfgContainer [2021-07-05 15:20:14,115 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-05 15:20:14,116 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-05 15:20:14,116 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-05 15:20:14,118 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-05 15:20:14,118 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.07 03:20:12" (1/3) ... [2021-07-05 15:20:14,119 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@108a2402 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.07 03:20:14, skipping insertion in model container [2021-07-05 15:20:14,119 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 03:20:13" (2/3) ... [2021-07-05 15:20:14,119 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@108a2402 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.07 03:20:14, skipping insertion in model container [2021-07-05 15:20:14,120 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.07 03:20:14" (3/3) ... [2021-07-05 15:20:14,121 INFO L111 eAbstractionObserver]: Analyzing ICFG sync01.i [2021-07-05 15:20:14,126 WARN L144 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-05 15:20:14,127 INFO L198 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-05 15:20:14,127 INFO L158 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-05 15:20:14,127 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-05 15:20:14,180 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:20:14,181 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:20:14,181 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:20:14,191 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:20:14,192 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:20:14,192 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:20:14,192 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:20:14,192 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:20:14,193 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:20:14,193 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:20:14,193 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:20:14,193 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:20:14,194 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:20:14,194 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:20:14,194 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:20:14,194 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:20:14,195 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:20:14,195 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:20:14,195 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:20:14,195 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:20:14,195 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:20:14,195 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:20:14,196 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:20:14,196 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:20:14,196 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:20:14,196 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:20:14,196 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:20:14,196 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:20:14,197 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:20:14,197 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:20:14,197 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:20:14,197 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:20:14,197 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:20:14,197 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:20:14,198 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:20:14,198 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:20:14,198 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:20:14,198 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:20:14,199 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:20:14,199 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:20:14,199 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:20:14,199 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:20:14,199 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:20:14,200 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:20:14,200 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:20:14,200 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:20:14,200 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:20:14,200 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:20:14,201 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:20:14,201 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:20:14,201 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:20:14,201 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:20:14,203 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:20:14,203 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:20:14,203 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:20:14,203 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:20:14,204 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:20:14,204 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:20:14,204 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:20:14,208 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:20:14,209 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:20:14,210 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:20:14,210 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:20:14,212 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:20:14,212 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:20:14,213 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-05 15:20:14,223 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-07-05 15:20:14,271 INFO L328 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION ======== [2021-07-05 15:20:14,283 INFO L329 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mLimitAnalysisTime=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-07-05 15:20:14,284 INFO L330 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-07-05 15:20:14,295 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-07-05 15:20:14,302 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 103 places, 103 transitions, 228 flow [2021-07-05 15:20:14,304 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 103 places, 103 transitions, 228 flow [2021-07-05 15:20:14,306 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 103 places, 103 transitions, 228 flow [2021-07-05 15:20:14,344 INFO L129 PetriNetUnfolder]: 6/103 cut-off events. [2021-07-05 15:20:14,344 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-07-05 15:20:14,348 INFO L84 FinitePrefix]: Finished finitePrefix Result has 114 conditions, 103 events. 6/103 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 74 event pairs, 0 based on Foata normal form. 0/97 useless extension candidates. Maximal degree in co-relation 65. Up to 3 conditions per place. [2021-07-05 15:20:14,350 INFO L116 LiptonReduction]: Number of co-enabled transitions 990 [2021-07-05 15:20:18,517 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-07-05 15:20:18,748 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-07-05 15:20:18,994 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2021-07-05 15:20:19,104 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-07-05 15:20:19,241 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2021-07-05 15:20:19,347 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2021-07-05 15:20:19,630 WARN L205 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2021-07-05 15:20:19,882 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2021-07-05 15:20:20,126 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2021-07-05 15:20:20,389 WARN L205 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2021-07-05 15:20:22,152 WARN L205 SmtUtils]: Spent 1.75 s on a formula simplification that was a NOOP. DAG size: 194 [2021-07-05 15:20:23,511 WARN L205 SmtUtils]: Spent 1.36 s on a formula simplification that was a NOOP. DAG size: 189 [2021-07-05 15:20:25,108 WARN L205 SmtUtils]: Spent 1.59 s on a formula simplification that was a NOOP. DAG size: 194 [2021-07-05 15:20:26,427 WARN L205 SmtUtils]: Spent 1.32 s on a formula simplification that was a NOOP. DAG size: 188 [2021-07-05 15:20:26,432 INFO L131 LiptonReduction]: Checked pairs total: 3442 [2021-07-05 15:20:26,432 INFO L133 LiptonReduction]: Total number of compositions: 80 [2021-07-05 15:20:26,448 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 35 places, 34 transitions, 90 flow [2021-07-05 15:20:26,468 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 198 states, 196 states have (on average 2.5255102040816326) internal successors, (495), 197 states have internal predecessors, (495), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 15:20:26,473 INFO L276 IsEmpty]: Start isEmpty. Operand has 198 states, 196 states have (on average 2.5255102040816326) internal successors, (495), 197 states have internal predecessors, (495), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 15:20:26,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-07-05 15:20:26,484 INFO L517 BasicCegarLoop]: Found error trace [2021-07-05 15:20:26,491 INFO L525 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-05 15:20:26,492 INFO L374 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-05 15:20:26,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-05 15:20:26,501 INFO L82 PathProgramCache]: Analyzing trace with hash -2068739111, now seen corresponding path program 1 times [2021-07-05 15:20:26,513 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-07-05 15:20:26,514 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [735929455] [2021-07-05 15:20:26,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 15:20:26,515 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-07-05 15:20:26,515 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-07-05 15:20:26,520 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-07-05 15:20:26,531 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-07-05 15:20:26,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-05 15:20:26,649 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 1 conjunts are in the unsatisfiable core [2021-07-05 15:20:26,653 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-05 15:20:26,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:26,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:26,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:26,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:26,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:26,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:26,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:26,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:26,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:26,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:26,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:26,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:26,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:26,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:26,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:26,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:26,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:26,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:26,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:26,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:26,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:26,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:26,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:26,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:26,685 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:26,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:26,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:26,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:26,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:26,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:26,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:26,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:26,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:26,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:26,690 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:26,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:26,690 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:26,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:26,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:26,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:26,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:26,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:26,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:26,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:26,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:26,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:26,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:26,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:26,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:26,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:26,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:26,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:26,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:26,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:26,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:26,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:26,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:26,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:26,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:26,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:26,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:26,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:26,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:26,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:26,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:26,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:26,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:26,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:26,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:26,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:26,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:26,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:26,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:26,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:26,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:26,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:26,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:26,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:26,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:26,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:26,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:26,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:26,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:26,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:26,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:26,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:26,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:26,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:26,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:26,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:26,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:26,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:26,752 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:26,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:26,753 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-05 15:20:26,754 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-07-05 15:20:26,755 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:26,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:26,756 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:26,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:26,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:26,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:26,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:26,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:26,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:26,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:26,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:26,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:26,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:26,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:26,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:26,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:26,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:26,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:26,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:26,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:26,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:26,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:26,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:26,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:26,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:26,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:26,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:26,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:26,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:26,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:26,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:26,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:26,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:26,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:26,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:26,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:26,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:26,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:26,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:26,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:26,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:26,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:26,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:26,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:26,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:26,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:26,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:26,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:26,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:26,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:26,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:26,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:26,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:26,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:26,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:26,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:26,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:26,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:26,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:26,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:26,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:26,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:26,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:26,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:26,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:26,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:26,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:26,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:26,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:26,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:26,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:26,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:26,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:26,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:26,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:26,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:26,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:26,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:26,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:26,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:26,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:26,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:26,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:26,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:26,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:26,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:26,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:26,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:26,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:26,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:26,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:26,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:26,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:26,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:26,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:26,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:26,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:26,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:26,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:26,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:26,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:26,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:26,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:26,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:26,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:26,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:26,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-05 15:20:26,808 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-07-05 15:20:26,809 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [735929455] [2021-07-05 15:20:26,809 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [735929455] provided 2 perfect and 0 imperfect interpolant sequences [2021-07-05 15:20:26,809 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-07-05 15:20:26,810 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-07-05 15:20:26,811 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1265336251] [2021-07-05 15:20:26,814 INFO L425 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-07-05 15:20:26,814 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-07-05 15:20:26,824 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-07-05 15:20:26,824 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-07-05 15:20:26,826 INFO L87 Difference]: Start difference. First operand has 198 states, 196 states have (on average 2.5255102040816326) internal successors, (495), 197 states have internal predecessors, (495), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 15:20:26,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-05 15:20:26,852 INFO L93 Difference]: Finished difference Result 198 states and 455 transitions. [2021-07-05 15:20:26,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-05 15:20:26,854 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2021-07-05 15:20:26,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-05 15:20:26,863 INFO L225 Difference]: With dead ends: 198 [2021-07-05 15:20:26,864 INFO L226 Difference]: Without dead ends: 197 [2021-07-05 15:20:26,865 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-07-05 15:20:26,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2021-07-05 15:20:26,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 197. [2021-07-05 15:20:26,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 197 states, 196 states have (on average 2.316326530612245) internal successors, (454), 196 states have internal predecessors, (454), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 15:20:26,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 454 transitions. [2021-07-05 15:20:26,905 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 454 transitions. Word has length 15 [2021-07-05 15:20:26,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-05 15:20:26,906 INFO L442 AbstractCegarLoop]: Abstraction has 197 states and 454 transitions. [2021-07-05 15:20:26,906 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 15:20:26,906 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 454 transitions. [2021-07-05 15:20:26,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-07-05 15:20:26,908 INFO L517 BasicCegarLoop]: Found error trace [2021-07-05 15:20:26,908 INFO L525 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-05 15:20:26,923 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-07-05 15:20:27,119 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-07-05 15:20:27,120 INFO L374 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-05 15:20:27,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-05 15:20:27,121 INFO L82 PathProgramCache]: Analyzing trace with hash 1326014516, now seen corresponding path program 1 times [2021-07-05 15:20:27,121 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-07-05 15:20:27,121 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1655730147] [2021-07-05 15:20:27,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 15:20:27,121 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-07-05 15:20:27,122 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-07-05 15:20:27,125 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-07-05 15:20:27,127 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-07-05 15:20:27,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-05 15:20:27,229 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 2 conjunts are in the unsatisfiable core [2021-07-05 15:20:27,230 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-05 15:20:27,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 15:20:27,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 15:20:27,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 15:20:27,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 15:20:27,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 15:20:27,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 15:20:27,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 15:20:27,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 15:20:27,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 15:20:27,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 15:20:27,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 15:20:27,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 15:20:27,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 15:20:27,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 15:20:27,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 15:20:27,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 15:20:27,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-07-05 15:20:27,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,274 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,275 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,287 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,287 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,288 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,305 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-05 15:20:27,306 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-07-05 15:20:27,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 15:20:27,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 15:20:27,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 15:20:27,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 15:20:27,385 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 15:20:27,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 15:20:27,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 15:20:27,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 15:20:27,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 15:20:27,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 15:20:27,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 15:20:27,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 15:20:27,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 15:20:27,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 15:20:27,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 15:20:27,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 15:20:27,395 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-05 15:20:27,395 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-07-05 15:20:27,395 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1655730147] [2021-07-05 15:20:27,395 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1655730147] provided 2 perfect and 0 imperfect interpolant sequences [2021-07-05 15:20:27,396 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-07-05 15:20:27,396 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-07-05 15:20:27,396 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1556231342] [2021-07-05 15:20:27,397 INFO L425 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-07-05 15:20:27,398 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-07-05 15:20:27,399 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-07-05 15:20:27,399 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-07-05 15:20:27,400 INFO L87 Difference]: Start difference. First operand 197 states and 454 transitions. Second operand has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 15:20:27,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-05 15:20:27,441 INFO L93 Difference]: Finished difference Result 128 states and 265 transitions. [2021-07-05 15:20:27,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-05 15:20:27,442 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 21 [2021-07-05 15:20:27,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-05 15:20:27,446 INFO L225 Difference]: With dead ends: 128 [2021-07-05 15:20:27,446 INFO L226 Difference]: Without dead ends: 107 [2021-07-05 15:20:27,447 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.0ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-07-05 15:20:27,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2021-07-05 15:20:27,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2021-07-05 15:20:27,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 106 states have (on average 2.0377358490566038) internal successors, (216), 106 states have internal predecessors, (216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 15:20:27,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 216 transitions. [2021-07-05 15:20:27,470 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 216 transitions. Word has length 21 [2021-07-05 15:20:27,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-05 15:20:27,470 INFO L442 AbstractCegarLoop]: Abstraction has 107 states and 216 transitions. [2021-07-05 15:20:27,470 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 15:20:27,470 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 216 transitions. [2021-07-05 15:20:27,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-07-05 15:20:27,472 INFO L517 BasicCegarLoop]: Found error trace [2021-07-05 15:20:27,473 INFO L525 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-05 15:20:27,485 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-07-05 15:20:27,684 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-07-05 15:20:27,685 INFO L374 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-05 15:20:27,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-05 15:20:27,685 INFO L82 PathProgramCache]: Analyzing trace with hash -523447628, now seen corresponding path program 2 times [2021-07-05 15:20:27,686 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-07-05 15:20:27,686 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1001113858] [2021-07-05 15:20:27,686 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-07-05 15:20:27,686 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-07-05 15:20:27,686 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-07-05 15:20:27,687 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-07-05 15:20:27,689 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-07-05 15:20:27,785 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-07-05 15:20:27,786 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-05 15:20:27,789 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 2 conjunts are in the unsatisfiable core [2021-07-05 15:20:27,790 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-05 15:20:27,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,810 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 15:20:27,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-07-05 15:20:27,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-07-05 15:20:27,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,817 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 15:20:27,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-07-05 15:20:27,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-07-05 15:20:27,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,823 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 15:20:27,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-07-05 15:20:27,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-07-05 15:20:27,847 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-07-05 15:20:27,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 15:20:27,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 15:20:27,849 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-05 15:20:27,852 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 15:20:27,853 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-07-05 15:20:27,853 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:11, output treesize:7 [2021-07-05 15:20:27,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 15:20:27,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 15:20:27,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-05 15:20:27,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-05 15:20:27,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-05 15:20:27,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-05 15:20:27,866 INFO L142 QuantifierPusher]: treesize reduction 17, result has 5.6 percent of original size [2021-07-05 15:20:27,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,899 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,900 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-05 15:20:27,900 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-07-05 15:20:27,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-07-05 15:20:27,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-07-05 15:20:27,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-07-05 15:20:27,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-07-05 15:20:27,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-05 15:20:27,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-05 15:20:27,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-05 15:20:27,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-05 15:20:27,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:27,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 15:20:27,965 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-05 15:20:27,965 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-07-05 15:20:27,966 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1001113858] [2021-07-05 15:20:27,966 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1001113858] provided 2 perfect and 0 imperfect interpolant sequences [2021-07-05 15:20:27,966 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-07-05 15:20:27,966 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-07-05 15:20:27,966 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1850990723] [2021-07-05 15:20:27,966 INFO L425 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-05 15:20:27,967 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-07-05 15:20:27,967 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-05 15:20:27,967 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-05 15:20:27,968 INFO L87 Difference]: Start difference. First operand 107 states and 216 transitions. Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 15:20:28,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-05 15:20:28,010 INFO L93 Difference]: Finished difference Result 75 states and 123 transitions. [2021-07-05 15:20:28,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-05 15:20:28,011 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 21 [2021-07-05 15:20:28,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-05 15:20:28,011 INFO L225 Difference]: With dead ends: 75 [2021-07-05 15:20:28,011 INFO L226 Difference]: Without dead ends: 75 [2021-07-05 15:20:28,011 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 38 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.2ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-05 15:20:28,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2021-07-05 15:20:28,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2021-07-05 15:20:28,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 74 states have (on average 1.662162162162162) internal successors, (123), 74 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 15:20:28,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 123 transitions. [2021-07-05 15:20:28,015 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 123 transitions. Word has length 21 [2021-07-05 15:20:28,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-05 15:20:28,015 INFO L442 AbstractCegarLoop]: Abstraction has 75 states and 123 transitions. [2021-07-05 15:20:28,015 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 15:20:28,015 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 123 transitions. [2021-07-05 15:20:28,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-07-05 15:20:28,016 INFO L517 BasicCegarLoop]: Found error trace [2021-07-05 15:20:28,016 INFO L525 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-05 15:20:28,031 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-07-05 15:20:28,227 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-07-05 15:20:28,227 INFO L374 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-05 15:20:28,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-05 15:20:28,233 INFO L82 PathProgramCache]: Analyzing trace with hash 2607560, now seen corresponding path program 3 times [2021-07-05 15:20:28,233 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-07-05 15:20:28,233 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1650933701] [2021-07-05 15:20:28,233 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-07-05 15:20:28,234 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-07-05 15:20:28,234 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-07-05 15:20:28,235 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-07-05 15:20:28,239 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-07-05 15:20:28,321 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2021-07-05 15:20:28,321 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-05 15:20:28,325 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 6 conjunts are in the unsatisfiable core [2021-07-05 15:20:28,327 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-05 15:20:28,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:28,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 15:20:28,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:28,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 15:20:28,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:28,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 15:20:28,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:28,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 15:20:28,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:28,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 15:20:28,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:28,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 15:20:28,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:28,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 15:20:28,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:28,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 15:20:28,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:28,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 15:20:28,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:28,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 15:20:28,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:28,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 15:20:28,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:28,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 15:20:28,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:28,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 15:20:28,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:28,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 15:20:28,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:28,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 15:20:28,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:28,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 15:20:28,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:28,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 15:20:28,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:28,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 15:20:28,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:28,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 15:20:28,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:28,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 15:20:28,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:28,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 15:20:28,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:28,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 15:20:28,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:28,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 15:20:28,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:28,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 15:20:28,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:28,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 15:20:28,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:28,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 15:20:28,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:28,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 15:20:28,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:28,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 15:20:28,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:28,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-05 15:20:28,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:28,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-05 15:20:28,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:28,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-05 15:20:28,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:28,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-05 15:20:28,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:28,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 15:20:28,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:28,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 15:20:28,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:28,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 15:20:28,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:28,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 15:20:28,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:28,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 15:20:28,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:28,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 15:20:28,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:28,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 15:20:28,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:28,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 15:20:28,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:28,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 15:20:28,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:28,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 15:20:28,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:28,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 15:20:28,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:28,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 15:20:28,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:28,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 15:20:28,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:28,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 15:20:28,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:28,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 15:20:28,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:28,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 15:20:28,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:28,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 15:20:28,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:28,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 15:20:28,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:28,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 15:20:28,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:28,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 15:20:28,385 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:28,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 15:20:28,385 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:28,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 15:20:28,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:28,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 15:20:28,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:28,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 15:20:28,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:28,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 15:20:28,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:28,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 15:20:28,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:28,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 15:20:28,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:28,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 15:20:28,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:28,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 15:20:28,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:28,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 15:20:28,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:28,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 15:20:28,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:28,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 15:20:28,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:28,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 15:20:28,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:28,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 15:20:28,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:28,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 15:20:28,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:28,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 15:20:28,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:28,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 15:20:28,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:28,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 15:20:28,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:28,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 15:20:28,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:28,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 15:20:28,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:28,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 15:20:28,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:28,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 15:20:28,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:28,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 15:20:28,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:28,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 15:20:28,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:28,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 15:20:28,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:28,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 15:20:28,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:28,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 15:20:28,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:28,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 15:20:28,402 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-05 15:20:28,402 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-07-05 15:20:28,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:28,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 15:20:28,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:28,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 15:20:28,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:28,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 15:20:28,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:28,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 15:20:28,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:28,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 15:20:28,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:28,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 15:20:28,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:28,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 15:20:28,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:28,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 15:20:28,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:28,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 15:20:28,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:28,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 15:20:28,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:28,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 15:20:28,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:28,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 15:20:28,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:28,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 15:20:28,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:28,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 15:20:28,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:28,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 15:20:28,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:28,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 15:20:28,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:28,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 15:20:28,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:28,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 15:20:28,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:28,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 15:20:28,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:28,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 15:20:28,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:28,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 15:20:28,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:28,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 15:20:28,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:28,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 15:20:28,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:28,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 15:20:28,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:28,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 15:20:28,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:28,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 15:20:28,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:28,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 15:20:28,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:28,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 15:20:28,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:28,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 15:20:28,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:28,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 15:20:28,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:28,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 15:20:28,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:28,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 15:20:28,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:28,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-05 15:20:28,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:28,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-05 15:20:28,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:28,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-05 15:20:28,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:28,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-05 15:20:28,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:28,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 15:20:28,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:28,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 15:20:28,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:28,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 15:20:28,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:28,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 15:20:28,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:28,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 15:20:28,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:28,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 15:20:28,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:28,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 15:20:28,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:28,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 15:20:28,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:28,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 15:20:28,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:28,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 15:20:28,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:28,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 15:20:28,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:28,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 15:20:28,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:28,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 15:20:28,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:28,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 15:20:28,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:28,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 15:20:28,442 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:28,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 15:20:28,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:28,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-05 15:20:28,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:28,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-05 15:20:28,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:28,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-05 15:20:28,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:28,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-05 15:20:28,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:28,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 15:20:28,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:28,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 15:20:28,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:28,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 15:20:28,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:28,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 15:20:28,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:28,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 15:20:28,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:28,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 15:20:28,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:28,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 15:20:28,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:28,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 15:20:28,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:28,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 15:20:28,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:28,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 15:20:28,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:28,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 15:20:28,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:28,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 15:20:28,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:28,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 15:20:28,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:28,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 15:20:28,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:28,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 15:20:28,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:28,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 15:20:28,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:28,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 15:20:28,458 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:28,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 15:20:28,458 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:28,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 15:20:28,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:28,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 15:20:28,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:28,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 15:20:28,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:28,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 15:20:28,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:28,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 15:20:28,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 15:20:28,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 15:20:28,462 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-05 15:20:28,462 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-07-05 15:20:28,463 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1650933701] [2021-07-05 15:20:28,463 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1650933701] provided 2 perfect and 0 imperfect interpolant sequences [2021-07-05 15:20:28,463 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-07-05 15:20:28,463 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-07-05 15:20:28,463 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1389183950] [2021-07-05 15:20:28,464 INFO L425 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-05 15:20:28,464 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-07-05 15:20:28,464 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-05 15:20:28,464 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-07-05 15:20:28,465 INFO L87 Difference]: Start difference. First operand 75 states and 123 transitions. Second operand has 6 states, 5 states have (on average 4.2) internal successors, (21), 5 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 15:20:28,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-05 15:20:28,534 INFO L93 Difference]: Finished difference Result 74 states and 122 transitions. [2021-07-05 15:20:28,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-05 15:20:28,535 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 5 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 21 [2021-07-05 15:20:28,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-05 15:20:28,535 INFO L225 Difference]: With dead ends: 74 [2021-07-05 15:20:28,535 INFO L226 Difference]: Without dead ends: 0 [2021-07-05 15:20:28,536 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 38.3ms TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-07-05 15:20:28,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-07-05 15:20:28,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-07-05 15:20:28,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 15:20:28,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-07-05 15:20:28,536 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 21 [2021-07-05 15:20:28,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-05 15:20:28,536 INFO L442 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-07-05 15:20:28,537 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 5 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 15:20:28,537 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-07-05 15:20:28,537 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-07-05 15:20:28,550 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-07-05 15:20:28,750 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-07-05 15:20:28,750 WARN L182 nStatisticsGenerator]: total relevant statements: 0 [2021-07-05 15:20:28,753 INFO L303 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION was SAFE (1/3) [2021-07-05 15:20:28,755 INFO L328 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0INUSE_VIOLATION ======== [2021-07-05 15:20:28,755 INFO L329 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mLimitAnalysisTime=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-07-05 15:20:28,755 INFO L330 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-07-05 15:20:28,757 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-07-05 15:20:28,757 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 103 places, 103 transitions, 228 flow [2021-07-05 15:20:28,758 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 103 places, 103 transitions, 228 flow [2021-07-05 15:20:28,758 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 103 places, 103 transitions, 228 flow [2021-07-05 15:20:28,788 INFO L129 PetriNetUnfolder]: 6/103 cut-off events. [2021-07-05 15:20:28,789 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-07-05 15:20:28,790 INFO L84 FinitePrefix]: Finished finitePrefix Result has 114 conditions, 103 events. 6/103 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 74 event pairs, 0 based on Foata normal form. 0/97 useless extension candidates. Maximal degree in co-relation 65. Up to 3 conditions per place. [2021-07-05 15:20:28,792 INFO L116 LiptonReduction]: Number of co-enabled transitions 990 [2021-07-05 15:20:32,977 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-07-05 15:20:33,091 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-07-05 15:20:33,237 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-07-05 15:20:33,352 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2021-07-05 15:20:33,655 WARN L205 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2021-07-05 15:20:33,873 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2021-07-05 15:20:34,136 WARN L205 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2021-07-05 15:20:34,373 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2021-07-05 15:20:36,158 WARN L205 SmtUtils]: Spent 1.77 s on a formula simplification that was a NOOP. DAG size: 193 [2021-07-05 15:20:37,715 WARN L205 SmtUtils]: Spent 1.56 s on a formula simplification that was a NOOP. DAG size: 187 [2021-07-05 15:20:39,258 WARN L205 SmtUtils]: Spent 1.54 s on a formula simplification that was a NOOP. DAG size: 194 [2021-07-05 15:20:40,818 WARN L205 SmtUtils]: Spent 1.56 s on a formula simplification that was a NOOP. DAG size: 191 [2021-07-05 15:20:40,823 INFO L131 LiptonReduction]: Checked pairs total: 3452 [2021-07-05 15:20:40,824 INFO L133 LiptonReduction]: Total number of compositions: 80 [2021-07-05 15:20:40,824 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 35 places, 34 transitions, 90 flow [2021-07-05 15:20:40,830 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 198 states, 196 states have (on average 2.5255102040816326) internal successors, (495), 197 states have internal predecessors, (495), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 15:20:40,839 INFO L276 IsEmpty]: Start isEmpty. Operand has 198 states, 196 states have (on average 2.5255102040816326) internal successors, (495), 197 states have internal predecessors, (495), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 15:20:40,840 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-07-05 15:20:40,841 INFO L374 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION] === [2021-07-05 15:20:40,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-05 15:20:40,842 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.NullPointerException at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.PathProgramCache.addRun(PathProgramCache.java:68) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.StrategyFactory.constructStrategy(StrategyFactory.java:135) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.StrategyFactory.constructStrategy(StrategyFactory.java:119) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:610) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.isCounterexampleFeasibleInternal(AbstractCegarLoop.java:488) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:382) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:320) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:53) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:298) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:221) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:169) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:150) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-07-05 15:20:40,845 INFO L168 Benchmark]: Toolchain (without parser) took 28138.33 ms. Allocated memory was 50.3 MB in the beginning and 130.0 MB in the end (delta: 79.7 MB). Free memory was 34.5 MB in the beginning and 69.3 MB in the end (delta: -34.8 MB). Peak memory consumption was 43.6 MB. Max. memory is 16.1 GB. [2021-07-05 15:20:40,845 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 50.3 MB. Free memory was 31.7 MB in the beginning and 31.6 MB in the end (delta: 28.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-07-05 15:20:40,845 INFO L168 Benchmark]: CACSL2BoogieTranslator took 660.00 ms. Allocated memory was 50.3 MB in the beginning and 60.8 MB in the end (delta: 10.5 MB). Free memory was 34.4 MB in the beginning and 41.0 MB in the end (delta: -6.6 MB). Peak memory consumption was 22.5 MB. Max. memory is 16.1 GB. [2021-07-05 15:20:40,845 INFO L168 Benchmark]: Boogie Procedure Inliner took 75.60 ms. Allocated memory is still 60.8 MB. Free memory was 41.0 MB in the beginning and 38.6 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-07-05 15:20:40,845 INFO L168 Benchmark]: Boogie Preprocessor took 58.60 ms. Allocated memory is still 60.8 MB. Free memory was 38.6 MB in the beginning and 36.8 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-07-05 15:20:40,846 INFO L168 Benchmark]: RCFGBuilder took 605.79 ms. Allocated memory was 60.8 MB in the beginning and 73.4 MB in the end (delta: 12.6 MB). Free memory was 36.5 MB in the beginning and 36.0 MB in the end (delta: 500.8 kB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-07-05 15:20:40,846 INFO L168 Benchmark]: TraceAbstraction took 26728.52 ms. Allocated memory was 73.4 MB in the beginning and 130.0 MB in the end (delta: 56.6 MB). Free memory was 35.6 MB in the beginning and 69.3 MB in the end (delta: -33.6 MB). Peak memory consumption was 21.6 MB. Max. memory is 16.1 GB. [2021-07-05 15:20:40,847 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 50.3 MB. Free memory was 31.7 MB in the beginning and 31.6 MB in the end (delta: 28.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 660.00 ms. Allocated memory was 50.3 MB in the beginning and 60.8 MB in the end (delta: 10.5 MB). Free memory was 34.4 MB in the beginning and 41.0 MB in the end (delta: -6.6 MB). Peak memory consumption was 22.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 75.60 ms. Allocated memory is still 60.8 MB. Free memory was 41.0 MB in the beginning and 38.6 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 58.60 ms. Allocated memory is still 60.8 MB. Free memory was 38.6 MB in the beginning and 36.8 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 605.79 ms. Allocated memory was 60.8 MB in the beginning and 73.4 MB in the end (delta: 12.6 MB). Free memory was 36.5 MB in the beginning and 36.0 MB in the end (delta: 500.8 kB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 26728.52 ms. Allocated memory was 73.4 MB in the beginning and 130.0 MB in the end (delta: 56.6 MB). Free memory was 35.6 MB in the beginning and 69.3 MB in the end (delta: -33.6 MB). Peak memory consumption was 21.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 12128.8ms, 103 PlacesBefore, 35 PlacesAfterwards, 103 TransitionsBefore, 34 TransitionsAfterwards, 990 CoEnabledTransitionPairs, 6 FixpointIterations, 48 TrivialSequentialCompositions, 18 ConcurrentSequentialCompositions, 7 TrivialYvCompositions, 6 ConcurrentYvCompositions, 1 ChoiceCompositions, 80 TotalNumberOfCompositions, 3442 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2392, positive: 2257, positive conditional: 0, positive unconditional: 2257, negative: 135, negative conditional: 0, negative unconditional: 135, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 800, positive: 762, positive conditional: 0, positive unconditional: 762, negative: 38, negative conditional: 0, negative unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 800, positive: 725, positive conditional: 0, positive unconditional: 725, negative: 75, negative conditional: 0, negative unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 75, positive: 37, positive conditional: 0, positive unconditional: 37, negative: 38, negative conditional: 0, negative unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 282, positive: 72, positive conditional: 0, positive unconditional: 72, negative: 209, negative conditional: 0, negative unconditional: 209, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2392, positive: 1495, positive conditional: 0, positive unconditional: 1495, negative: 97, negative conditional: 0, negative unconditional: 97, unknown: 800, unknown conditional: 0, unknown unconditional: 800] , Statistics on independence cache: Total cache size (in pairs): 204, Positive cache size: 186, Positive conditional cache size: 0, Positive unconditional cache size: 186, Negative cache size: 18, Negative conditional cache size: 0, Negative unconditional cache size: 18 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 12066.2ms, 103 PlacesBefore, 35 PlacesAfterwards, 103 TransitionsBefore, 34 TransitionsAfterwards, 990 CoEnabledTransitionPairs, 6 FixpointIterations, 48 TrivialSequentialCompositions, 18 ConcurrentSequentialCompositions, 7 TrivialYvCompositions, 6 ConcurrentYvCompositions, 1 ChoiceCompositions, 80 TotalNumberOfCompositions, 3452 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2344, positive: 2209, positive conditional: 0, positive unconditional: 2209, negative: 135, negative conditional: 0, negative unconditional: 135, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 802, positive: 762, positive conditional: 0, positive unconditional: 762, negative: 40, negative conditional: 0, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 802, positive: 736, positive conditional: 0, positive unconditional: 736, negative: 66, negative conditional: 0, negative unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 66, positive: 26, positive conditional: 0, positive unconditional: 26, negative: 40, negative conditional: 0, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 281, positive: 73, positive conditional: 0, positive unconditional: 73, negative: 208, negative conditional: 0, negative unconditional: 208, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2344, positive: 1447, positive conditional: 0, positive unconditional: 1447, negative: 95, negative conditional: 0, negative unconditional: 95, unknown: 802, unknown conditional: 0, unknown unconditional: 802] , Statistics on independence cache: Total cache size (in pairs): 212, Positive cache size: 192, Positive conditional cache size: 0, Positive unconditional cache size: 192, Negative cache size: 20, Negative conditional cache size: 0, Negative unconditional cache size: 20 - ExceptionOrErrorResult: NullPointerException: null de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: NullPointerException: null: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.PathProgramCache.addRun(PathProgramCache.java:68) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-07-05 15:20:40,875 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...