./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-crafted-lit/cstrcspn.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination 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/AutomizerTermination.xml -i ../sv-benchmarks/c/termination-crafted-lit/cstrcspn.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-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(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash f39f60c3148e6a8957b92a35d12d506fd8229368 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.multireach-323-8d31f38 [2021-07-06 18:17:50,593 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-06 18:17:50,594 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-06 18:17:50,623 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-07-06 18:17:50,623 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-07-06 18:17:50,626 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-07-06 18:17:50,627 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-07-06 18:17:50,639 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-07-06 18:17:50,641 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-07-06 18:17:50,644 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-07-06 18:17:50,645 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-07-06 18:17:50,646 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-07-06 18:17:50,646 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-06 18:17:50,648 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-06 18:17:50,649 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-06 18:17:50,650 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-06 18:17:50,652 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-06 18:17:50,652 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-06 18:17:50,654 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-06 18:17:50,658 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-06 18:17:50,659 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-06 18:17:50,660 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-06 18:17:50,661 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-06 18:17:50,662 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-06 18:17:50,667 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-07-06 18:17:50,667 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-07-06 18:17:50,667 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-07-06 18:17:50,669 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-07-06 18:17:50,669 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-07-06 18:17:50,670 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-07-06 18:17:50,670 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-07-06 18:17:50,670 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-07-06 18:17:50,671 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-07-06 18:17:50,672 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-07-06 18:17:50,673 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-07-06 18:17:50,673 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-07-06 18:17:50,673 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-07-06 18:17:50,674 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-07-06 18:17:50,674 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-06 18:17:50,675 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-06 18:17:50,675 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-06 18:17:50,679 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-07-06 18:17:50,708 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-06 18:17:50,709 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-06 18:17:50,710 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-06 18:17:50,710 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-06 18:17:50,711 INFO L138 SettingsManager]: * Use SBE=true [2021-07-06 18:17:50,711 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-07-06 18:17:50,711 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-07-06 18:17:50,711 INFO L138 SettingsManager]: * Use old map elimination=false [2021-07-06 18:17:50,711 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-07-06 18:17:50,711 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-07-06 18:17:50,712 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-07-06 18:17:50,712 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-06 18:17:50,712 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-07-06 18:17:50,712 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-06 18:17:50,712 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-06 18:17:50,712 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-07-06 18:17:50,713 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-07-06 18:17:50,713 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-07-06 18:17:50,713 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-06 18:17:50,713 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-07-06 18:17:50,713 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-06 18:17:50,713 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-07-06 18:17:50,713 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-06 18:17:50,713 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-06 18:17:50,714 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-06 18:17:50,714 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-06 18:17:50,714 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-07-06 18:17:50,716 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-07-06 18:17:50,716 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f39f60c3148e6a8957b92a35d12d506fd8229368 [2021-07-06 18:17:50,974 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-06 18:17:50,993 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-06 18:17:50,995 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-06 18:17:50,996 INFO L271 PluginConnector]: Initializing CDTParser... [2021-07-06 18:17:50,996 INFO L275 PluginConnector]: CDTParser initialized [2021-07-06 18:17:50,997 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted-lit/cstrcspn.c [2021-07-06 18:17:51,043 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ac0fd1a79/ef59e2cc14c3483f892e91ced3be101f/FLAG844e89158 [2021-07-06 18:17:51,405 INFO L306 CDTParser]: Found 1 translation units. [2021-07-06 18:17:51,406 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted-lit/cstrcspn.c [2021-07-06 18:17:51,410 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ac0fd1a79/ef59e2cc14c3483f892e91ced3be101f/FLAG844e89158 [2021-07-06 18:17:51,418 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ac0fd1a79/ef59e2cc14c3483f892e91ced3be101f [2021-07-06 18:17:51,420 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-06 18:17:51,422 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-07-06 18:17:51,424 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-07-06 18:17:51,424 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-07-06 18:17:51,426 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-07-06 18:17:51,426 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.07 06:17:51" (1/1) ... [2021-07-06 18:17:51,429 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f52c4ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 06:17:51, skipping insertion in model container [2021-07-06 18:17:51,429 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.07 06:17:51" (1/1) ... [2021-07-06 18:17:51,433 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-07-06 18:17:51,441 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-07-06 18:17:51,560 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-06 18:17:51,565 INFO L203 MainTranslator]: Completed pre-run [2021-07-06 18:17:51,577 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-06 18:17:51,593 INFO L208 MainTranslator]: Completed translation [2021-07-06 18:17:51,593 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 06:17:51 WrapperNode [2021-07-06 18:17:51,593 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-07-06 18:17:51,594 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-06 18:17:51,594 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-06 18:17:51,594 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-06 18:17:51,598 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 06:17:51" (1/1) ... [2021-07-06 18:17:51,604 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 06:17:51" (1/1) ... [2021-07-06 18:17:51,625 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-06 18:17:51,627 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-06 18:17:51,627 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-06 18:17:51,627 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-06 18:17:51,632 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 06:17:51" (1/1) ... [2021-07-06 18:17:51,632 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 06:17:51" (1/1) ... [2021-07-06 18:17:51,642 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 06:17:51" (1/1) ... [2021-07-06 18:17:51,642 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 06:17:51" (1/1) ... [2021-07-06 18:17:51,654 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 06:17:51" (1/1) ... [2021-07-06 18:17:51,656 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 06:17:51" (1/1) ... [2021-07-06 18:17:51,657 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 06:17:51" (1/1) ... [2021-07-06 18:17:51,658 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-06 18:17:51,659 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-06 18:17:51,659 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-06 18:17:51,659 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-06 18:17:51,659 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 06:17:51" (1/1) ... [2021-07-06 18:17:51,663 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 18:17:51,669 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 18:17:51,690 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-07-06 18:17:51,712 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-07-06 18:17:51,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-07-06 18:17:51,734 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-07-06 18:17:51,735 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-06 18:17:51,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-06 18:17:51,735 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-07-06 18:17:52,000 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-06 18:17:52,001 INFO L299 CfgBuilder]: Removed 12 assume(true) statements. [2021-07-06 18:17:52,002 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.07 06:17:52 BoogieIcfgContainer [2021-07-06 18:17:52,002 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-06 18:17:52,002 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-07-06 18:17:52,002 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-07-06 18:17:52,004 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-07-06 18:17:52,005 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-07-06 18:17:52,005 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 06.07 06:17:51" (1/3) ... [2021-07-06 18:17:52,005 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3e411d5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.07 06:17:52, skipping insertion in model container [2021-07-06 18:17:52,005 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-07-06 18:17:52,005 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 06:17:51" (2/3) ... [2021-07-06 18:17:52,006 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3e411d5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.07 06:17:52, skipping insertion in model container [2021-07-06 18:17:52,006 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-07-06 18:17:52,006 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.07 06:17:52" (3/3) ... [2021-07-06 18:17:52,006 INFO L389 chiAutomizerObserver]: Analyzing ICFG cstrcspn.c [2021-07-06 18:17:52,037 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-07-06 18:17:52,038 INFO L360 BuchiCegarLoop]: Hoare is false [2021-07-06 18:17:52,038 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-07-06 18:17:52,038 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-06 18:17:52,038 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-06 18:17:52,038 INFO L364 BuchiCegarLoop]: Difference is false [2021-07-06 18:17:52,038 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-06 18:17:52,038 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-07-06 18:17:52,050 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 21 states, 20 states have (on average 1.4) internal successors, (28), 20 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-06 18:17:52,061 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2021-07-06 18:17:52,062 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-07-06 18:17:52,062 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-07-06 18:17:52,066 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-07-06 18:17:52,066 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-07-06 18:17:52,066 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-07-06 18:17:52,066 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 21 states, 20 states have (on average 1.4) internal successors, (28), 20 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-06 18:17:52,067 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2021-07-06 18:17:52,067 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-07-06 18:17:52,068 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-07-06 18:17:52,068 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-07-06 18:17:52,068 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-07-06 18:17:52,072 INFO L791 eck$LassoCheckResult]: Stem: 15#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 13#L-1true havoc main_#res;havoc main_#t~ret10.base, main_#t~ret10.offset, main_#t~ret11.base, main_#t~ret11.offset, main_#t~ret12;havoc build_nondet_String_#res.base, build_nondet_String_#res.offset;havoc build_nondet_String_#t~nondet0, build_nondet_String_#t~malloc1.base, build_nondet_String_#t~malloc1.offset, build_nondet_String_~length~0, build_nondet_String_~nondetString~0.base, build_nondet_String_~nondetString~0.offset;build_nondet_String_~length~0 := build_nondet_String_#t~nondet0;havoc build_nondet_String_#t~nondet0; 22#L14true assume !(build_nondet_String_~length~0 < 1); 18#L14-2true call build_nondet_String_#t~malloc1.base, build_nondet_String_#t~malloc1.offset := #Ultimate.allocOnHeap(build_nondet_String_~length~0);build_nondet_String_~nondetString~0.base, build_nondet_String_~nondetString~0.offset := build_nondet_String_#t~malloc1.base, build_nondet_String_#t~malloc1.offset;call write~int(0, build_nondet_String_~nondetString~0.base, build_nondet_String_~nondetString~0.offset + (build_nondet_String_~length~0 - 1), 1);build_nondet_String_#res.base, build_nondet_String_#res.offset := build_nondet_String_~nondetString~0.base, build_nondet_String_~nondetString~0.offset; 10#L19true main_#t~ret10.base, main_#t~ret10.offset := build_nondet_String_#res.base, build_nondet_String_#res.offset;havoc build_nondet_String_#res.base, build_nondet_String_#res.offset;havoc build_nondet_String_#t~nondet0, build_nondet_String_#t~malloc1.base, build_nondet_String_#t~malloc1.offset, build_nondet_String_~length~0, build_nondet_String_~nondetString~0.base, build_nondet_String_~nondetString~0.offset;build_nondet_String_~length~0 := build_nondet_String_#t~nondet0;havoc build_nondet_String_#t~nondet0; 17#L14-3true assume build_nondet_String_~length~0 < 1;build_nondet_String_~length~0 := 1; 12#L14-5true call build_nondet_String_#t~malloc1.base, build_nondet_String_#t~malloc1.offset := #Ultimate.allocOnHeap(build_nondet_String_~length~0);build_nondet_String_~nondetString~0.base, build_nondet_String_~nondetString~0.offset := build_nondet_String_#t~malloc1.base, build_nondet_String_#t~malloc1.offset;call write~int(0, build_nondet_String_~nondetString~0.base, build_nondet_String_~nondetString~0.offset + (build_nondet_String_~length~0 - 1), 1);build_nondet_String_#res.base, build_nondet_String_#res.offset := build_nondet_String_~nondetString~0.base, build_nondet_String_~nondetString~0.offset; 8#L19-1true main_#t~ret11.base, main_#t~ret11.offset := build_nondet_String_#res.base, build_nondet_String_#res.offset;cstrcspn_#in~s1.base, cstrcspn_#in~s1.offset, cstrcspn_#in~s2.base, cstrcspn_#in~s2.offset := main_#t~ret10.base, main_#t~ret10.offset, main_#t~ret11.base, main_#t~ret11.offset;havoc cstrcspn_#res;havoc cstrcspn_#t~mem4, cstrcspn_#t~post8.base, cstrcspn_#t~post8.offset, cstrcspn_#t~mem5, cstrcspn_#t~mem6, cstrcspn_#t~short7, cstrcspn_#t~mem9, cstrcspn_#t~post2.base, cstrcspn_#t~post2.offset, cstrcspn_#t~mem3, cstrcspn_~s1.base, cstrcspn_~s1.offset, cstrcspn_~s2.base, cstrcspn_~s2.offset, cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset, cstrcspn_~s~0.base, cstrcspn_~s~0.offset, cstrcspn_~c~0;cstrcspn_~s1.base, cstrcspn_~s1.offset := cstrcspn_#in~s1.base, cstrcspn_#in~s1.offset;cstrcspn_~s2.base, cstrcspn_~s2.offset := cstrcspn_#in~s2.base, cstrcspn_#in~s2.offset;havoc cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset;havoc cstrcspn_~s~0.base, cstrcspn_~s~0.offset;havoc cstrcspn_~c~0;cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset := cstrcspn_~s1.base, cstrcspn_~s1.offset; 3#L30-4true [2021-07-06 18:17:52,073 INFO L793 eck$LassoCheckResult]: Loop: 3#L30-4true call cstrcspn_#t~mem3 := read~int(cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset, 1); 9#L30-1true assume !!(0 != cstrcspn_#t~mem3);havoc cstrcspn_#t~mem3;cstrcspn_~s~0.base, cstrcspn_~s~0.offset := cstrcspn_~s2.base, cstrcspn_~s2.offset;call cstrcspn_#t~mem4 := read~int(cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset, 1);cstrcspn_~c~0 := cstrcspn_#t~mem4;havoc cstrcspn_#t~mem4; 7#L33-5true assume !true; 4#L33-6true call cstrcspn_#t~mem9 := read~int(cstrcspn_~s~0.base, cstrcspn_~s~0.offset, 1); 20#L35true assume !(cstrcspn_#t~mem9 == cstrcspn_~c~0);havoc cstrcspn_#t~mem9; 5#L30-3true cstrcspn_#t~post2.base, cstrcspn_#t~post2.offset := cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset;cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset := cstrcspn_#t~post2.base, 1 + cstrcspn_#t~post2.offset;havoc cstrcspn_#t~post2.base, cstrcspn_#t~post2.offset; 3#L30-4true [2021-07-06 18:17:52,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-06 18:17:52,076 INFO L82 PathProgramCache]: Analyzing trace with hash 176610378, now seen corresponding path program 1 times [2021-07-06 18:17:52,085 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-06 18:17:52,085 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [144157549] [2021-07-06 18:17:52,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-06 18:17:52,086 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-06 18:17:52,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 18:17:52,151 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 18:17:52,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 18:17:52,166 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 18:17:52,178 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-07-06 18:17:52,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-06 18:17:52,181 INFO L82 PathProgramCache]: Analyzing trace with hash 1602834410, now seen corresponding path program 1 times [2021-07-06 18:17:52,181 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-06 18:17:52,181 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [895818825] [2021-07-06 18:17:52,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-06 18:17:52,181 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-06 18:17:52,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-06 18:17:52,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:52,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 18:17:52,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:52,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 18:17:52,204 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-06 18:17:52,205 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-06 18:17:52,205 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [895818825] [2021-07-06 18:17:52,205 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [895818825] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-06 18:17:52,205 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-06 18:17:52,206 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-06 18:17:52,206 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [996970277] [2021-07-06 18:17:52,209 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-07-06 18:17:52,209 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-06 18:17:52,217 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-07-06 18:17:52,218 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-07-06 18:17:52,219 INFO L87 Difference]: Start difference. First operand has 21 states, 20 states have (on average 1.4) internal successors, (28), 20 states have internal predecessors, (28), 0 states have call successors, (0), 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 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-06 18:17:52,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-06 18:17:52,223 INFO L93 Difference]: Finished difference Result 21 states and 26 transitions. [2021-07-06 18:17:52,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-06 18:17:52,224 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 26 transitions. [2021-07-06 18:17:52,227 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2021-07-06 18:17:52,229 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 16 states and 20 transitions. [2021-07-06 18:17:52,230 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2021-07-06 18:17:52,230 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 [2021-07-06 18:17:52,230 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 20 transitions. [2021-07-06 18:17:52,230 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-07-06 18:17:52,230 INFO L681 BuchiCegarLoop]: Abstraction has 16 states and 20 transitions. [2021-07-06 18:17:52,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 20 transitions. [2021-07-06 18:17:52,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2021-07-06 18:17:52,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 1.25) internal successors, (20), 15 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-06 18:17:52,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 20 transitions. [2021-07-06 18:17:52,248 INFO L704 BuchiCegarLoop]: Abstraction has 16 states and 20 transitions. [2021-07-06 18:17:52,248 INFO L587 BuchiCegarLoop]: Abstraction has 16 states and 20 transitions. [2021-07-06 18:17:52,248 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-07-06 18:17:52,248 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 20 transitions. [2021-07-06 18:17:52,250 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2021-07-06 18:17:52,250 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-07-06 18:17:52,250 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-07-06 18:17:52,251 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-07-06 18:17:52,251 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-07-06 18:17:52,251 INFO L791 eck$LassoCheckResult]: Stem: 64#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 62#L-1 havoc main_#res;havoc main_#t~ret10.base, main_#t~ret10.offset, main_#t~ret11.base, main_#t~ret11.offset, main_#t~ret12;havoc build_nondet_String_#res.base, build_nondet_String_#res.offset;havoc build_nondet_String_#t~nondet0, build_nondet_String_#t~malloc1.base, build_nondet_String_#t~malloc1.offset, build_nondet_String_~length~0, build_nondet_String_~nondetString~0.base, build_nondet_String_~nondetString~0.offset;build_nondet_String_~length~0 := build_nondet_String_#t~nondet0;havoc build_nondet_String_#t~nondet0; 63#L14 assume !(build_nondet_String_~length~0 < 1); 65#L14-2 call build_nondet_String_#t~malloc1.base, build_nondet_String_#t~malloc1.offset := #Ultimate.allocOnHeap(build_nondet_String_~length~0);build_nondet_String_~nondetString~0.base, build_nondet_String_~nondetString~0.offset := build_nondet_String_#t~malloc1.base, build_nondet_String_#t~malloc1.offset;call write~int(0, build_nondet_String_~nondetString~0.base, build_nondet_String_~nondetString~0.offset + (build_nondet_String_~length~0 - 1), 1);build_nondet_String_#res.base, build_nondet_String_#res.offset := build_nondet_String_~nondetString~0.base, build_nondet_String_~nondetString~0.offset; 58#L19 main_#t~ret10.base, main_#t~ret10.offset := build_nondet_String_#res.base, build_nondet_String_#res.offset;havoc build_nondet_String_#res.base, build_nondet_String_#res.offset;havoc build_nondet_String_#t~nondet0, build_nondet_String_#t~malloc1.base, build_nondet_String_#t~malloc1.offset, build_nondet_String_~length~0, build_nondet_String_~nondetString~0.base, build_nondet_String_~nondetString~0.offset;build_nondet_String_~length~0 := build_nondet_String_#t~nondet0;havoc build_nondet_String_#t~nondet0; 59#L14-3 assume build_nondet_String_~length~0 < 1;build_nondet_String_~length~0 := 1; 61#L14-5 call build_nondet_String_#t~malloc1.base, build_nondet_String_#t~malloc1.offset := #Ultimate.allocOnHeap(build_nondet_String_~length~0);build_nondet_String_~nondetString~0.base, build_nondet_String_~nondetString~0.offset := build_nondet_String_#t~malloc1.base, build_nondet_String_#t~malloc1.offset;call write~int(0, build_nondet_String_~nondetString~0.base, build_nondet_String_~nondetString~0.offset + (build_nondet_String_~length~0 - 1), 1);build_nondet_String_#res.base, build_nondet_String_#res.offset := build_nondet_String_~nondetString~0.base, build_nondet_String_~nondetString~0.offset; 57#L19-1 main_#t~ret11.base, main_#t~ret11.offset := build_nondet_String_#res.base, build_nondet_String_#res.offset;cstrcspn_#in~s1.base, cstrcspn_#in~s1.offset, cstrcspn_#in~s2.base, cstrcspn_#in~s2.offset := main_#t~ret10.base, main_#t~ret10.offset, main_#t~ret11.base, main_#t~ret11.offset;havoc cstrcspn_#res;havoc cstrcspn_#t~mem4, cstrcspn_#t~post8.base, cstrcspn_#t~post8.offset, cstrcspn_#t~mem5, cstrcspn_#t~mem6, cstrcspn_#t~short7, cstrcspn_#t~mem9, cstrcspn_#t~post2.base, cstrcspn_#t~post2.offset, cstrcspn_#t~mem3, cstrcspn_~s1.base, cstrcspn_~s1.offset, cstrcspn_~s2.base, cstrcspn_~s2.offset, cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset, cstrcspn_~s~0.base, cstrcspn_~s~0.offset, cstrcspn_~c~0;cstrcspn_~s1.base, cstrcspn_~s1.offset := cstrcspn_#in~s1.base, cstrcspn_#in~s1.offset;cstrcspn_~s2.base, cstrcspn_~s2.offset := cstrcspn_#in~s2.base, cstrcspn_#in~s2.offset;havoc cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset;havoc cstrcspn_~s~0.base, cstrcspn_~s~0.offset;havoc cstrcspn_~c~0;cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset := cstrcspn_~s1.base, cstrcspn_~s1.offset; 50#L30-4 [2021-07-06 18:17:52,252 INFO L793 eck$LassoCheckResult]: Loop: 50#L30-4 call cstrcspn_#t~mem3 := read~int(cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset, 1); 51#L30-1 assume !!(0 != cstrcspn_#t~mem3);havoc cstrcspn_#t~mem3;cstrcspn_~s~0.base, cstrcspn_~s~0.offset := cstrcspn_~s2.base, cstrcspn_~s2.offset;call cstrcspn_#t~mem4 := read~int(cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset, 1);cstrcspn_~c~0 := cstrcspn_#t~mem4;havoc cstrcspn_#t~mem4; 55#L33-5 call cstrcspn_#t~mem5 := read~int(cstrcspn_~s~0.base, cstrcspn_~s~0.offset, 1);cstrcspn_#t~short7 := 0 != cstrcspn_#t~mem5; 56#L33-1 assume cstrcspn_#t~short7;call cstrcspn_#t~mem6 := read~int(cstrcspn_~s~0.base, cstrcspn_~s~0.offset, 1);cstrcspn_#t~short7 := cstrcspn_#t~mem6 != (if cstrcspn_~c~0 % 256 <= 127 then cstrcspn_~c~0 % 256 else cstrcspn_~c~0 % 256 - 256); 60#L33-3 assume !cstrcspn_#t~short7;havoc cstrcspn_#t~mem5;havoc cstrcspn_#t~mem6;havoc cstrcspn_#t~short7; 52#L33-6 call cstrcspn_#t~mem9 := read~int(cstrcspn_~s~0.base, cstrcspn_~s~0.offset, 1); 53#L35 assume !(cstrcspn_#t~mem9 == cstrcspn_~c~0);havoc cstrcspn_#t~mem9; 54#L30-3 cstrcspn_#t~post2.base, cstrcspn_#t~post2.offset := cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset;cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset := cstrcspn_#t~post2.base, 1 + cstrcspn_#t~post2.offset;havoc cstrcspn_#t~post2.base, cstrcspn_#t~post2.offset; 50#L30-4 [2021-07-06 18:17:52,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-06 18:17:52,253 INFO L82 PathProgramCache]: Analyzing trace with hash 176610378, now seen corresponding path program 2 times [2021-07-06 18:17:52,253 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-06 18:17:52,254 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [628107491] [2021-07-06 18:17:52,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-06 18:17:52,254 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-06 18:17:52,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 18:17:52,288 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 18:17:52,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 18:17:52,307 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 18:17:52,312 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-07-06 18:17:52,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-06 18:17:52,313 INFO L82 PathProgramCache]: Analyzing trace with hash -1952985167, now seen corresponding path program 1 times [2021-07-06 18:17:52,313 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-06 18:17:52,313 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [250464697] [2021-07-06 18:17:52,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-06 18:17:52,313 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-06 18:17:52,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 18:17:52,332 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 18:17:52,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 18:17:52,361 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 18:17:52,363 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-07-06 18:17:52,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-06 18:17:52,364 INFO L82 PathProgramCache]: Analyzing trace with hash -955886854, now seen corresponding path program 1 times [2021-07-06 18:17:52,364 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-06 18:17:52,364 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [441722736] [2021-07-06 18:17:52,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-06 18:17:52,364 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-06 18:17:52,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-06 18:17:52,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:52,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 18:17:52,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:52,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 18:17:52,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:52,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-06 18:17:52,465 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:52,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-06 18:17:52,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:52,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-06 18:17:52,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:52,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 2 [2021-07-06 18:17:52,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:52,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 18:17:52,483 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-06 18:17:52,483 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-06 18:17:52,483 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [441722736] [2021-07-06 18:17:52,483 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [441722736] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-06 18:17:52,484 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-06 18:17:52,484 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-07-06 18:17:52,484 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [51734884] [2021-07-06 18:17:52,646 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 59 [2021-07-06 18:17:52,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:52,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 102 [2021-07-06 18:17:52,740 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-06 18:17:52,741 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-07-06 18:17:52,741 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-07-06 18:17:52,741 INFO L87 Difference]: Start difference. First operand 16 states and 20 transitions. cyclomatic complexity: 5 Second operand has 7 states, 7 states have (on average 2.2857142857142856) internal successors, (16), 7 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-06 18:17:52,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-06 18:17:52,852 INFO L93 Difference]: Finished difference Result 31 states and 35 transitions. [2021-07-06 18:17:52,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-06 18:17:52,853 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 31 states and 35 transitions. [2021-07-06 18:17:52,854 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 17 [2021-07-06 18:17:52,854 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 31 states to 31 states and 35 transitions. [2021-07-06 18:17:52,854 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 31 [2021-07-06 18:17:52,854 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 31 [2021-07-06 18:17:52,854 INFO L73 IsDeterministic]: Start isDeterministic. Operand 31 states and 35 transitions. [2021-07-06 18:17:52,855 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-07-06 18:17:52,855 INFO L681 BuchiCegarLoop]: Abstraction has 31 states and 35 transitions. [2021-07-06 18:17:52,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states and 35 transitions. [2021-07-06 18:17:52,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 27. [2021-07-06 18:17:52,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 27 states have (on average 1.1481481481481481) internal successors, (31), 26 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-06 18:17:52,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 31 transitions. [2021-07-06 18:17:52,857 INFO L704 BuchiCegarLoop]: Abstraction has 27 states and 31 transitions. [2021-07-06 18:17:52,857 INFO L587 BuchiCegarLoop]: Abstraction has 27 states and 31 transitions. [2021-07-06 18:17:52,857 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-07-06 18:17:52,857 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 27 states and 31 transitions. [2021-07-06 18:17:52,857 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 17 [2021-07-06 18:17:52,857 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-07-06 18:17:52,857 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-07-06 18:17:52,858 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-07-06 18:17:52,858 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-07-06 18:17:52,858 INFO L791 eck$LassoCheckResult]: Stem: 133#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 131#L-1 havoc main_#res;havoc main_#t~ret10.base, main_#t~ret10.offset, main_#t~ret11.base, main_#t~ret11.offset, main_#t~ret12;havoc build_nondet_String_#res.base, build_nondet_String_#res.offset;havoc build_nondet_String_#t~nondet0, build_nondet_String_#t~malloc1.base, build_nondet_String_#t~malloc1.offset, build_nondet_String_~length~0, build_nondet_String_~nondetString~0.base, build_nondet_String_~nondetString~0.offset;build_nondet_String_~length~0 := build_nondet_String_#t~nondet0;havoc build_nondet_String_#t~nondet0; 132#L14 assume !(build_nondet_String_~length~0 < 1); 137#L14-2 call build_nondet_String_#t~malloc1.base, build_nondet_String_#t~malloc1.offset := #Ultimate.allocOnHeap(build_nondet_String_~length~0);build_nondet_String_~nondetString~0.base, build_nondet_String_~nondetString~0.offset := build_nondet_String_#t~malloc1.base, build_nondet_String_#t~malloc1.offset;call write~int(0, build_nondet_String_~nondetString~0.base, build_nondet_String_~nondetString~0.offset + (build_nondet_String_~length~0 - 1), 1);build_nondet_String_#res.base, build_nondet_String_#res.offset := build_nondet_String_~nondetString~0.base, build_nondet_String_~nondetString~0.offset; 127#L19 main_#t~ret10.base, main_#t~ret10.offset := build_nondet_String_#res.base, build_nondet_String_#res.offset;havoc build_nondet_String_#res.base, build_nondet_String_#res.offset;havoc build_nondet_String_#t~nondet0, build_nondet_String_#t~malloc1.base, build_nondet_String_#t~malloc1.offset, build_nondet_String_~length~0, build_nondet_String_~nondetString~0.base, build_nondet_String_~nondetString~0.offset;build_nondet_String_~length~0 := build_nondet_String_#t~nondet0;havoc build_nondet_String_#t~nondet0; 128#L14-3 assume !(build_nondet_String_~length~0 < 1); 136#L14-5 call build_nondet_String_#t~malloc1.base, build_nondet_String_#t~malloc1.offset := #Ultimate.allocOnHeap(build_nondet_String_~length~0);build_nondet_String_~nondetString~0.base, build_nondet_String_~nondetString~0.offset := build_nondet_String_#t~malloc1.base, build_nondet_String_#t~malloc1.offset;call write~int(0, build_nondet_String_~nondetString~0.base, build_nondet_String_~nondetString~0.offset + (build_nondet_String_~length~0 - 1), 1);build_nondet_String_#res.base, build_nondet_String_#res.offset := build_nondet_String_~nondetString~0.base, build_nondet_String_~nondetString~0.offset; 142#L19-1 main_#t~ret11.base, main_#t~ret11.offset := build_nondet_String_#res.base, build_nondet_String_#res.offset;cstrcspn_#in~s1.base, cstrcspn_#in~s1.offset, cstrcspn_#in~s2.base, cstrcspn_#in~s2.offset := main_#t~ret10.base, main_#t~ret10.offset, main_#t~ret11.base, main_#t~ret11.offset;havoc cstrcspn_#res;havoc cstrcspn_#t~mem4, cstrcspn_#t~post8.base, cstrcspn_#t~post8.offset, cstrcspn_#t~mem5, cstrcspn_#t~mem6, cstrcspn_#t~short7, cstrcspn_#t~mem9, cstrcspn_#t~post2.base, cstrcspn_#t~post2.offset, cstrcspn_#t~mem3, cstrcspn_~s1.base, cstrcspn_~s1.offset, cstrcspn_~s2.base, cstrcspn_~s2.offset, cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset, cstrcspn_~s~0.base, cstrcspn_~s~0.offset, cstrcspn_~c~0;cstrcspn_~s1.base, cstrcspn_~s1.offset := cstrcspn_#in~s1.base, cstrcspn_#in~s1.offset;cstrcspn_~s2.base, cstrcspn_~s2.offset := cstrcspn_#in~s2.base, cstrcspn_#in~s2.offset;havoc cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset;havoc cstrcspn_~s~0.base, cstrcspn_~s~0.offset;havoc cstrcspn_~c~0;cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset := cstrcspn_~s1.base, cstrcspn_~s1.offset; 141#L30-4 [2021-07-06 18:17:52,858 INFO L793 eck$LassoCheckResult]: Loop: 141#L30-4 call cstrcspn_#t~mem3 := read~int(cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset, 1); 140#L30-1 assume !!(0 != cstrcspn_#t~mem3);havoc cstrcspn_#t~mem3;cstrcspn_~s~0.base, cstrcspn_~s~0.offset := cstrcspn_~s2.base, cstrcspn_~s2.offset;call cstrcspn_#t~mem4 := read~int(cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset, 1);cstrcspn_~c~0 := cstrcspn_#t~mem4;havoc cstrcspn_#t~mem4; 123#L33-5 call cstrcspn_#t~mem5 := read~int(cstrcspn_~s~0.base, cstrcspn_~s~0.offset, 1);cstrcspn_#t~short7 := 0 != cstrcspn_#t~mem5; 124#L33-1 assume !cstrcspn_#t~short7; 129#L33-3 assume !cstrcspn_#t~short7;havoc cstrcspn_#t~mem5;havoc cstrcspn_#t~mem6;havoc cstrcspn_#t~short7; 120#L33-6 call cstrcspn_#t~mem9 := read~int(cstrcspn_~s~0.base, cstrcspn_~s~0.offset, 1); 121#L35 assume !(cstrcspn_#t~mem9 == cstrcspn_~c~0);havoc cstrcspn_#t~mem9; 138#L30-3 cstrcspn_#t~post2.base, cstrcspn_#t~post2.offset := cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset;cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset := cstrcspn_#t~post2.base, 1 + cstrcspn_#t~post2.offset;havoc cstrcspn_#t~post2.base, cstrcspn_#t~post2.offset; 141#L30-4 [2021-07-06 18:17:52,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-06 18:17:52,858 INFO L82 PathProgramCache]: Analyzing trace with hash 176612300, now seen corresponding path program 1 times [2021-07-06 18:17:52,862 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-06 18:17:52,862 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1607087035] [2021-07-06 18:17:52,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-06 18:17:52,863 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-06 18:17:52,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 18:17:52,870 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 18:17:52,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 18:17:52,876 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 18:17:52,878 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-07-06 18:17:52,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-06 18:17:52,879 INFO L82 PathProgramCache]: Analyzing trace with hash -1951138125, now seen corresponding path program 1 times [2021-07-06 18:17:52,879 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-06 18:17:52,879 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1264190763] [2021-07-06 18:17:52,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-06 18:17:52,879 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-06 18:17:52,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 18:17:52,894 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 18:17:52,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 18:17:52,904 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 18:17:52,906 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-07-06 18:17:52,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-06 18:17:52,906 INFO L82 PathProgramCache]: Analyzing trace with hash -252975234, now seen corresponding path program 1 times [2021-07-06 18:17:52,906 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-06 18:17:52,907 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [326524594] [2021-07-06 18:17:52,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-06 18:17:52,907 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-06 18:17:52,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 18:17:52,920 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 18:17:52,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 18:17:52,931 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 18:17:52,934 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-07-06 18:17:53,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:53,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-07-06 18:17:53,397 WARN L205 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 108 [2021-07-06 18:17:53,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:53,417 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-06 18:17:53,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:53,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-07-06 18:17:53,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 165 [2021-07-06 18:17:53,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:53,439 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-06 18:17:53,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:53,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-07-06 18:17:53,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 165 [2021-07-06 18:17:53,546 INFO L210 LassoAnalysis]: Preferences: [2021-07-06 18:17:53,546 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-07-06 18:17:53,546 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-07-06 18:17:53,546 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-07-06 18:17:53,547 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-07-06 18:17:53,547 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 18:17:53,547 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-07-06 18:17:53,547 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-07-06 18:17:53,547 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrcspn.c_Iteration3_Lasso [2021-07-06 18:17:53,547 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-07-06 18:17:53,547 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-07-06 18:17:53,559 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 18:17:53,562 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 18:17:53,567 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 18:17:53,569 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 18:17:53,571 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 18:17:53,573 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 18:17:53,576 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 18:17:53,577 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 18:17:53,579 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 18:17:53,589 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 18:17:53,785 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 70 [2021-07-06 18:17:53,857 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 18:17:53,859 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 18:17:53,862 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 18:17:53,864 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 18:17:53,868 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 18:17:53,870 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 18:17:53,872 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 18:17:54,468 WARN L205 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2021-07-06 18:17:54,560 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-07-06 18:17:54,565 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-07-06 18:17:54,566 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 18:17:54,566 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 18:17:54,571 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-07-06 18:17:54,573 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-07-06 18:17:54,576 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-07-06 18:17:54,582 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-07-06 18:17:54,583 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-07-06 18:17:54,583 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-07-06 18:17:54,583 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-07-06 18:17:54,583 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-07-06 18:17:54,587 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-07-06 18:17:54,587 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-07-06 18:17:54,588 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-07-06 18:17:54,605 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2021-07-06 18:17:54,606 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 18:17:54,606 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 18:17:54,607 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-07-06 18:17:54,608 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-07-06 18:17:54,610 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-07-06 18:17:54,615 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-07-06 18:17:54,615 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-07-06 18:17:54,615 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-07-06 18:17:54,615 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-07-06 18:17:54,616 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-07-06 18:17:54,616 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-07-06 18:17:54,616 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-07-06 18:17:54,617 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-07-06 18:17:54,634 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-07-06 18:17:54,634 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 18:17:54,634 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 18:17:54,635 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-07-06 18:17:54,636 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-07-06 18:17:54,638 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-07-06 18:17:54,643 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-07-06 18:17:54,643 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-07-06 18:17:54,643 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-07-06 18:17:54,643 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-07-06 18:17:54,643 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-07-06 18:17:54,644 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-07-06 18:17:54,644 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-07-06 18:17:54,648 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-07-06 18:17:54,671 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-07-06 18:17:54,671 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 18:17:54,671 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 18:17:54,672 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-07-06 18:17:54,672 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-07-06 18:17:54,674 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-07-06 18:17:54,680 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-07-06 18:17:54,680 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-07-06 18:17:54,680 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-07-06 18:17:54,680 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-07-06 18:17:54,683 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-07-06 18:17:54,683 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-07-06 18:17:54,692 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-07-06 18:17:54,707 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-07-06 18:17:54,708 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 18:17:54,708 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 18:17:54,709 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-07-06 18:17:54,709 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-07-06 18:17:54,711 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-07-06 18:17:54,717 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-07-06 18:17:54,717 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-07-06 18:17:54,718 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-07-06 18:17:54,718 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-07-06 18:17:54,718 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-07-06 18:17:54,718 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-07-06 18:17:54,718 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-07-06 18:17:54,719 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-07-06 18:17:54,735 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-07-06 18:17:54,735 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 18:17:54,735 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 18:17:54,736 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-07-06 18:17:54,736 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-07-06 18:17:54,739 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-07-06 18:17:54,746 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-07-06 18:17:54,746 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-07-06 18:17:54,746 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-07-06 18:17:54,746 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-07-06 18:17:54,748 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-07-06 18:17:54,748 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-07-06 18:17:54,764 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-07-06 18:17:54,779 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2021-07-06 18:17:54,780 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 18:17:54,780 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 18:17:54,781 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-07-06 18:17:54,781 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-07-06 18:17:54,782 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-07-06 18:17:54,788 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-07-06 18:17:54,788 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-07-06 18:17:54,788 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-07-06 18:17:54,788 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-07-06 18:17:54,788 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-07-06 18:17:54,789 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-07-06 18:17:54,789 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-07-06 18:17:54,790 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-07-06 18:17:54,804 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-07-06 18:17:54,805 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 18:17:54,805 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 18:17:54,805 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-07-06 18:17:54,806 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-07-06 18:17:54,807 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-07-06 18:17:54,812 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-07-06 18:17:54,813 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-07-06 18:17:54,813 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-07-06 18:17:54,813 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-07-06 18:17:54,813 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-07-06 18:17:54,813 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-07-06 18:17:54,813 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-07-06 18:17:54,815 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-07-06 18:17:54,831 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2021-07-06 18:17:54,831 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 18:17:54,831 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 18:17:54,832 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-07-06 18:17:54,835 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-07-06 18:17:54,835 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-07-06 18:17:54,841 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-07-06 18:17:54,841 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-07-06 18:17:54,841 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-07-06 18:17:54,842 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-07-06 18:17:54,842 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-07-06 18:17:54,842 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-07-06 18:17:54,842 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-07-06 18:17:54,845 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-07-06 18:17:54,860 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-07-06 18:17:54,860 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 18:17:54,860 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 18:17:54,861 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-07-06 18:17:54,864 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-07-06 18:17:54,865 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-07-06 18:17:54,870 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-07-06 18:17:54,870 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-07-06 18:17:54,870 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-07-06 18:17:54,870 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-07-06 18:17:54,877 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-07-06 18:17:54,877 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-07-06 18:17:54,900 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-07-06 18:17:54,947 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2021-07-06 18:17:54,948 INFO L444 ModelExtractionUtils]: 10 out of 22 variables were initially zero. Simplification set additionally 9 variables to zero. [2021-07-06 18:17:54,949 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 18:17:54,949 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 18:17:54,965 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-07-06 18:17:54,988 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-07-06 18:17:54,993 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-07-06 18:17:55,013 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-07-06 18:17:55,013 INFO L513 LassoAnalysis]: Proved termination. [2021-07-06 18:17:55,014 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrcspn_~sc1~0.offset, v_rep(select #length ULTIMATE.start_main_#t~ret10.base)_1) = -1*ULTIMATE.start_cstrcspn_~sc1~0.offset + 1*v_rep(select #length ULTIMATE.start_main_#t~ret10.base)_1 Supporting invariants [] [2021-07-06 18:17:55,030 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-07-06 18:17:55,047 INFO L297 tatePredicateManager]: 6 out of 7 supporting invariants were superfluous and have been removed [2021-07-06 18:17:55,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-06 18:17:55,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-06 18:17:55,092 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 12 conjunts are in the unsatisfiable core [2021-07-06 18:17:55,093 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-06 18:17:55,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:55,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 18:17:55,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:55,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 18:17:55,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:55,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 18:17:55,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:55,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 18:17:55,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:55,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 18:17:55,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:55,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 18:17:55,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:55,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 18:17:55,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:55,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 18:17:55,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:55,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 18:17:55,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:55,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 18:17:55,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:55,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 18:17:55,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:55,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 18:17:55,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:55,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 18:17:55,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:55,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 18:17:55,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:55,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 18:17:55,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:55,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 18:17:55,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:55,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 18:17:55,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:55,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 18:17:55,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:55,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 18:17:55,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:55,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 18:17:55,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:55,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 18:17:55,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:55,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 18:17:55,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:55,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 18:17:55,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:55,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 18:17:55,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:55,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 18:17:55,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:55,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 18:17:55,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:55,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 18:17:55,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:55,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 18:17:55,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-06 18:17:55,159 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-07-06 18:17:55,159 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 8 conjunts are in the unsatisfiable core [2021-07-06 18:17:55,160 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-06 18:17:55,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:55,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-07-06 18:17:55,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:55,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-07-06 18:17:55,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:55,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-07-06 18:17:55,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:55,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-07-06 18:17:55,180 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:55,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-07-06 18:17:55,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:55,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-07-06 18:17:55,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:55,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-07-06 18:17:55,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:55,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-07-06 18:17:55,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:55,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-07-06 18:17:55,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:55,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-07-06 18:17:55,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:55,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-07-06 18:17:55,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:55,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-07-06 18:17:55,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:55,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-07-06 18:17:55,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:55,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-07-06 18:17:55,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:55,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-07-06 18:17:55,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:55,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-07-06 18:17:55,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:55,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-07-06 18:17:55,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:55,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-07-06 18:17:55,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:55,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-07-06 18:17:55,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:55,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-07-06 18:17:55,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:55,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-07-06 18:17:55,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:55,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-07-06 18:17:55,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:55,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-07-06 18:17:55,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:55,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-07-06 18:17:55,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:55,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-07-06 18:17:55,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:55,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-07-06 18:17:55,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:55,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-07-06 18:17:55,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:55,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-07-06 18:17:55,222 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-06 18:17:55,225 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-07-06 18:17:55,225 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 27 states and 31 transitions. cyclomatic complexity: 6 Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-06 18:17:55,276 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 27 states and 31 transitions. cyclomatic complexity: 6. Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 44 states and 52 transitions. Complement of second has 4 states. [2021-07-06 18:17:55,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-07-06 18:17:55,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-06 18:17:55,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 20 transitions. [2021-07-06 18:17:55,279 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 20 transitions. Stem has 8 letters. Loop has 8 letters. [2021-07-06 18:17:55,280 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-07-06 18:17:55,280 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 20 transitions. Stem has 16 letters. Loop has 8 letters. [2021-07-06 18:17:55,280 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-07-06 18:17:55,280 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 20 transitions. Stem has 8 letters. Loop has 16 letters. [2021-07-06 18:17:55,280 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-07-06 18:17:55,281 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 44 states and 52 transitions. [2021-07-06 18:17:55,285 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-07-06 18:17:55,286 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 44 states to 22 states and 27 transitions. [2021-07-06 18:17:55,286 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2021-07-06 18:17:55,287 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2021-07-06 18:17:55,287 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 27 transitions. [2021-07-06 18:17:55,287 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-07-06 18:17:55,287 INFO L681 BuchiCegarLoop]: Abstraction has 22 states and 27 transitions. [2021-07-06 18:17:55,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states and 27 transitions. [2021-07-06 18:17:55,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2021-07-06 18:17:55,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 22 states have (on average 1.2272727272727273) internal successors, (27), 21 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-06 18:17:55,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 27 transitions. [2021-07-06 18:17:55,290 INFO L704 BuchiCegarLoop]: Abstraction has 22 states and 27 transitions. [2021-07-06 18:17:55,290 INFO L587 BuchiCegarLoop]: Abstraction has 22 states and 27 transitions. [2021-07-06 18:17:55,290 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-07-06 18:17:55,290 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 27 transitions. [2021-07-06 18:17:55,292 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-07-06 18:17:55,292 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-07-06 18:17:55,292 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-07-06 18:17:55,293 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-06 18:17:55,293 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-07-06 18:17:55,293 INFO L791 eck$LassoCheckResult]: Stem: 310#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 307#L-1 havoc main_#res;havoc main_#t~ret10.base, main_#t~ret10.offset, main_#t~ret11.base, main_#t~ret11.offset, main_#t~ret12;havoc build_nondet_String_#res.base, build_nondet_String_#res.offset;havoc build_nondet_String_#t~nondet0, build_nondet_String_#t~malloc1.base, build_nondet_String_#t~malloc1.offset, build_nondet_String_~length~0, build_nondet_String_~nondetString~0.base, build_nondet_String_~nondetString~0.offset;build_nondet_String_~length~0 := build_nondet_String_#t~nondet0;havoc build_nondet_String_#t~nondet0; 308#L14 assume !(build_nondet_String_~length~0 < 1); 311#L14-2 call build_nondet_String_#t~malloc1.base, build_nondet_String_#t~malloc1.offset := #Ultimate.allocOnHeap(build_nondet_String_~length~0);build_nondet_String_~nondetString~0.base, build_nondet_String_~nondetString~0.offset := build_nondet_String_#t~malloc1.base, build_nondet_String_#t~malloc1.offset;call write~int(0, build_nondet_String_~nondetString~0.base, build_nondet_String_~nondetString~0.offset + (build_nondet_String_~length~0 - 1), 1);build_nondet_String_#res.base, build_nondet_String_#res.offset := build_nondet_String_~nondetString~0.base, build_nondet_String_~nondetString~0.offset; 302#L19 main_#t~ret10.base, main_#t~ret10.offset := build_nondet_String_#res.base, build_nondet_String_#res.offset;havoc build_nondet_String_#res.base, build_nondet_String_#res.offset;havoc build_nondet_String_#t~nondet0, build_nondet_String_#t~malloc1.base, build_nondet_String_#t~malloc1.offset, build_nondet_String_~length~0, build_nondet_String_~nondetString~0.base, build_nondet_String_~nondetString~0.offset;build_nondet_String_~length~0 := build_nondet_String_#t~nondet0;havoc build_nondet_String_#t~nondet0; 303#L14-3 assume !(build_nondet_String_~length~0 < 1); 306#L14-5 call build_nondet_String_#t~malloc1.base, build_nondet_String_#t~malloc1.offset := #Ultimate.allocOnHeap(build_nondet_String_~length~0);build_nondet_String_~nondetString~0.base, build_nondet_String_~nondetString~0.offset := build_nondet_String_#t~malloc1.base, build_nondet_String_#t~malloc1.offset;call write~int(0, build_nondet_String_~nondetString~0.base, build_nondet_String_~nondetString~0.offset + (build_nondet_String_~length~0 - 1), 1);build_nondet_String_#res.base, build_nondet_String_#res.offset := build_nondet_String_~nondetString~0.base, build_nondet_String_~nondetString~0.offset; 301#L19-1 main_#t~ret11.base, main_#t~ret11.offset := build_nondet_String_#res.base, build_nondet_String_#res.offset;cstrcspn_#in~s1.base, cstrcspn_#in~s1.offset, cstrcspn_#in~s2.base, cstrcspn_#in~s2.offset := main_#t~ret10.base, main_#t~ret10.offset, main_#t~ret11.base, main_#t~ret11.offset;havoc cstrcspn_#res;havoc cstrcspn_#t~mem4, cstrcspn_#t~post8.base, cstrcspn_#t~post8.offset, cstrcspn_#t~mem5, cstrcspn_#t~mem6, cstrcspn_#t~short7, cstrcspn_#t~mem9, cstrcspn_#t~post2.base, cstrcspn_#t~post2.offset, cstrcspn_#t~mem3, cstrcspn_~s1.base, cstrcspn_~s1.offset, cstrcspn_~s2.base, cstrcspn_~s2.offset, cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset, cstrcspn_~s~0.base, cstrcspn_~s~0.offset, cstrcspn_~c~0;cstrcspn_~s1.base, cstrcspn_~s1.offset := cstrcspn_#in~s1.base, cstrcspn_#in~s1.offset;cstrcspn_~s2.base, cstrcspn_~s2.offset := cstrcspn_#in~s2.base, cstrcspn_#in~s2.offset;havoc cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset;havoc cstrcspn_~s~0.base, cstrcspn_~s~0.offset;havoc cstrcspn_~c~0;cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset := cstrcspn_~s1.base, cstrcspn_~s1.offset; 290#L30-4 call cstrcspn_#t~mem3 := read~int(cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset, 1); 292#L30-1 assume !!(0 != cstrcspn_#t~mem3);havoc cstrcspn_#t~mem3;cstrcspn_~s~0.base, cstrcspn_~s~0.offset := cstrcspn_~s2.base, cstrcspn_~s2.offset;call cstrcspn_#t~mem4 := read~int(cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset, 1);cstrcspn_~c~0 := cstrcspn_#t~mem4;havoc cstrcspn_#t~mem4; 297#L33-5 [2021-07-06 18:17:55,293 INFO L793 eck$LassoCheckResult]: Loop: 297#L33-5 call cstrcspn_#t~mem5 := read~int(cstrcspn_~s~0.base, cstrcspn_~s~0.offset, 1);cstrcspn_#t~short7 := 0 != cstrcspn_#t~mem5; 298#L33-1 assume cstrcspn_#t~short7;call cstrcspn_#t~mem6 := read~int(cstrcspn_~s~0.base, cstrcspn_~s~0.offset, 1);cstrcspn_#t~short7 := cstrcspn_#t~mem6 != (if cstrcspn_~c~0 % 256 <= 127 then cstrcspn_~c~0 % 256 else cstrcspn_~c~0 % 256 - 256); 304#L33-3 assume !!cstrcspn_#t~short7;havoc cstrcspn_#t~mem5;havoc cstrcspn_#t~mem6;havoc cstrcspn_#t~short7;cstrcspn_#t~post8.base, cstrcspn_#t~post8.offset := cstrcspn_~s~0.base, cstrcspn_~s~0.offset;cstrcspn_~s~0.base, cstrcspn_~s~0.offset := cstrcspn_#t~post8.base, 1 + cstrcspn_#t~post8.offset;havoc cstrcspn_#t~post8.base, cstrcspn_#t~post8.offset; 297#L33-5 [2021-07-06 18:17:55,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-06 18:17:55,294 INFO L82 PathProgramCache]: Analyzing trace with hash -2074270767, now seen corresponding path program 1 times [2021-07-06 18:17:55,294 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-06 18:17:55,294 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [657225178] [2021-07-06 18:17:55,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-06 18:17:55,294 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-06 18:17:55,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 18:17:55,319 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 18:17:55,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 18:17:55,326 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 18:17:55,328 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-07-06 18:17:55,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-06 18:17:55,329 INFO L82 PathProgramCache]: Analyzing trace with hash 63657, now seen corresponding path program 1 times [2021-07-06 18:17:55,329 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-06 18:17:55,329 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2018772859] [2021-07-06 18:17:55,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-06 18:17:55,329 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-06 18:17:55,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 18:17:55,332 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 18:17:55,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 18:17:55,335 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 18:17:55,336 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-07-06 18:17:55,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-06 18:17:55,336 INFO L82 PathProgramCache]: Analyzing trace with hash 1389069017, now seen corresponding path program 1 times [2021-07-06 18:17:55,336 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-06 18:17:55,336 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1310419268] [2021-07-06 18:17:55,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-06 18:17:55,336 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-06 18:17:55,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 18:17:55,346 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 18:17:55,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 18:17:55,355 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 18:17:55,358 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-07-06 18:17:55,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:55,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-07-06 18:17:55,743 WARN L205 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 121 [2021-07-06 18:17:55,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:55,750 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-06 18:17:55,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:55,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-07-06 18:17:55,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 186 [2021-07-06 18:17:55,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:55,765 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-06 18:17:55,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:55,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-07-06 18:17:55,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 186 [2021-07-06 18:17:55,877 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2021-07-06 18:17:55,878 INFO L210 LassoAnalysis]: Preferences: [2021-07-06 18:17:55,879 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-07-06 18:17:55,879 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-07-06 18:17:55,879 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-07-06 18:17:55,879 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-07-06 18:17:55,879 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 18:17:55,879 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-07-06 18:17:55,879 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-07-06 18:17:55,879 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrcspn.c_Iteration4_Lasso [2021-07-06 18:17:55,879 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-07-06 18:17:55,879 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-07-06 18:17:55,881 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 18:17:55,883 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 18:17:55,885 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 18:17:55,886 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 18:17:55,889 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 18:17:55,890 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 18:17:55,892 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 18:17:55,894 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 18:17:55,896 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 18:17:55,898 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 18:17:55,900 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 18:17:55,902 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 18:17:55,904 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 18:17:55,905 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 18:17:55,907 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 18:17:55,909 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 18:17:56,152 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 81 [2021-07-06 18:17:56,226 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 18:17:56,851 WARN L205 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 47 [2021-07-06 18:17:57,128 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 36 [2021-07-06 18:17:57,135 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-07-06 18:17:57,135 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-07-06 18:17:57,135 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 18:17:57,135 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 18:17:57,136 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-07-06 18:17:57,137 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-07-06 18:17:57,138 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-07-06 18:17:57,144 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-07-06 18:17:57,144 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-07-06 18:17:57,144 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-07-06 18:17:57,144 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-07-06 18:17:57,144 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-07-06 18:17:57,145 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-07-06 18:17:57,145 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-07-06 18:17:57,148 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-07-06 18:17:57,165 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-07-06 18:17:57,165 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 18:17:57,165 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 18:17:57,166 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-07-06 18:17:57,166 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-07-06 18:17:57,168 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-07-06 18:17:57,173 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-07-06 18:17:57,174 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-07-06 18:17:57,174 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-07-06 18:17:57,174 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-07-06 18:17:57,174 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-07-06 18:17:57,174 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-07-06 18:17:57,174 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-07-06 18:17:57,175 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-07-06 18:17:57,190 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-07-06 18:17:57,190 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 18:17:57,190 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 18:17:57,191 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-07-06 18:17:57,195 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-07-06 18:17:57,195 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-07-06 18:17:57,201 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-07-06 18:17:57,202 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-07-06 18:17:57,202 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-07-06 18:17:57,202 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-07-06 18:17:57,202 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-07-06 18:17:57,202 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-07-06 18:17:57,202 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-07-06 18:17:57,214 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-07-06 18:17:57,231 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-07-06 18:17:57,231 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 18:17:57,231 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 18:17:57,232 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-07-06 18:17:57,233 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-07-06 18:17:57,233 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-07-06 18:17:57,239 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-07-06 18:17:57,239 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-07-06 18:17:57,239 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-07-06 18:17:57,239 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-07-06 18:17:57,241 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-07-06 18:17:57,241 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-07-06 18:17:57,260 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-07-06 18:17:57,279 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-07-06 18:17:57,279 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 18:17:57,280 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 18:17:57,280 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-07-06 18:17:57,290 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-07-06 18:17:57,295 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-07-06 18:17:57,296 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-07-06 18:17:57,296 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-07-06 18:17:57,296 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-07-06 18:17:57,296 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-07-06 18:17:57,296 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-07-06 18:17:57,296 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-07-06 18:17:57,296 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-07-06 18:17:57,298 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-07-06 18:17:57,312 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-07-06 18:17:57,313 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 18:17:57,313 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 18:17:57,313 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-07-06 18:17:57,314 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-07-06 18:17:57,315 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-07-06 18:17:57,321 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-07-06 18:17:57,321 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-07-06 18:17:57,321 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-07-06 18:17:57,321 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-07-06 18:17:57,321 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-07-06 18:17:57,321 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-07-06 18:17:57,321 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-07-06 18:17:57,322 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-07-06 18:17:57,337 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-07-06 18:17:57,338 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 18:17:57,338 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 18:17:57,338 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-07-06 18:17:57,339 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-07-06 18:17:57,340 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-07-06 18:17:57,346 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-07-06 18:17:57,347 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-07-06 18:17:57,347 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-07-06 18:17:57,347 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-07-06 18:17:57,347 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-07-06 18:17:57,347 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-07-06 18:17:57,347 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-07-06 18:17:57,348 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-07-06 18:17:57,365 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-07-06 18:17:57,366 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 18:17:57,366 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 18:17:57,366 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-07-06 18:17:57,369 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-07-06 18:17:57,370 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-07-06 18:17:57,375 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-07-06 18:17:57,376 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-07-06 18:17:57,376 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-07-06 18:17:57,376 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-07-06 18:17:57,376 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-07-06 18:17:57,376 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-07-06 18:17:57,376 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-07-06 18:17:57,377 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-07-06 18:17:57,392 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-07-06 18:17:57,392 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 18:17:57,392 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 18:17:57,393 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-07-06 18:17:57,397 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-07-06 18:17:57,398 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-07-06 18:17:57,404 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-07-06 18:17:57,404 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-07-06 18:17:57,404 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-07-06 18:17:57,404 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-07-06 18:17:57,404 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-07-06 18:17:57,405 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-07-06 18:17:57,405 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-07-06 18:17:57,415 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-07-06 18:17:57,430 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-07-06 18:17:57,430 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 18:17:57,430 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 18:17:57,431 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-07-06 18:17:57,432 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-07-06 18:17:57,433 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-07-06 18:17:57,438 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-07-06 18:17:57,438 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-07-06 18:17:57,438 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-07-06 18:17:57,438 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-07-06 18:17:57,438 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-07-06 18:17:57,439 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-07-06 18:17:57,439 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-07-06 18:17:57,440 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-07-06 18:17:57,454 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2021-07-06 18:17:57,454 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 18:17:57,455 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 18:17:57,455 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-07-06 18:17:57,460 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-07-06 18:17:57,461 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-07-06 18:17:57,466 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-07-06 18:17:57,466 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-07-06 18:17:57,466 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-07-06 18:17:57,466 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-07-06 18:17:57,468 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-07-06 18:17:57,468 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-07-06 18:17:57,486 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-07-06 18:17:57,501 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2021-07-06 18:17:57,501 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 18:17:57,501 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 18:17:57,502 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-07-06 18:17:57,502 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-07-06 18:17:57,504 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-07-06 18:17:57,509 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-07-06 18:17:57,509 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-07-06 18:17:57,509 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-07-06 18:17:57,509 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-07-06 18:17:57,509 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-07-06 18:17:57,510 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-07-06 18:17:57,510 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-07-06 18:17:57,510 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-07-06 18:17:57,525 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2021-07-06 18:17:57,525 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 18:17:57,525 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 18:17:57,526 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-07-06 18:17:57,527 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-07-06 18:17:57,528 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-07-06 18:17:57,534 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-07-06 18:17:57,534 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-07-06 18:17:57,534 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-07-06 18:17:57,534 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-07-06 18:17:57,534 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-07-06 18:17:57,534 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-07-06 18:17:57,534 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-07-06 18:17:57,535 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-07-06 18:17:57,550 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2021-07-06 18:17:57,552 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 18:17:57,552 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 18:17:57,552 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-07-06 18:17:57,554 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-07-06 18:17:57,555 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-07-06 18:17:57,560 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-07-06 18:17:57,560 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-07-06 18:17:57,560 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-07-06 18:17:57,560 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-07-06 18:17:57,560 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-07-06 18:17:57,561 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-07-06 18:17:57,561 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-07-06 18:17:57,562 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-07-06 18:17:57,576 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2021-07-06 18:17:57,577 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 18:17:57,577 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 18:17:57,578 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-07-06 18:17:57,578 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-07-06 18:17:57,579 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-07-06 18:17:57,585 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-07-06 18:17:57,585 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-07-06 18:17:57,585 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-07-06 18:17:57,585 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-07-06 18:17:57,585 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-07-06 18:17:57,585 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-07-06 18:17:57,585 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-07-06 18:17:57,603 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-07-06 18:17:57,618 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2021-07-06 18:17:57,618 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 18:17:57,619 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 18:17:57,619 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-07-06 18:17:57,620 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-07-06 18:17:57,621 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-07-06 18:17:57,627 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-07-06 18:17:57,627 INFO L203 nArgumentSynthesizer]: 4 stem disjuncts [2021-07-06 18:17:57,627 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-07-06 18:17:57,627 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-07-06 18:17:57,644 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-07-06 18:17:57,644 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-07-06 18:17:57,668 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-07-06 18:17:57,684 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2021-07-06 18:17:57,684 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 18:17:57,684 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 18:17:57,685 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-07-06 18:17:57,693 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-07-06 18:17:57,699 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-07-06 18:17:57,699 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-07-06 18:17:57,699 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-07-06 18:17:57,699 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-07-06 18:17:57,700 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-07-06 18:17:57,700 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-07-06 18:17:57,704 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-07-06 18:17:57,712 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-07-06 18:17:57,727 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2021-07-06 18:17:57,727 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 18:17:57,727 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 18:17:57,737 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-07-06 18:17:57,745 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-07-06 18:17:57,750 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-07-06 18:17:57,750 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-07-06 18:17:57,750 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-07-06 18:17:57,751 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-07-06 18:17:57,752 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-07-06 18:17:57,752 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-07-06 18:17:57,756 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-07-06 18:17:57,776 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-07-06 18:17:57,794 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2021-07-06 18:17:57,794 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 18:17:57,794 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 18:17:57,795 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-07-06 18:17:57,795 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-07-06 18:17:57,797 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-07-06 18:17:57,802 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-07-06 18:17:57,803 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-07-06 18:17:57,803 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-07-06 18:17:57,803 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-07-06 18:17:57,804 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-07-06 18:17:57,804 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-07-06 18:17:57,824 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-07-06 18:17:57,847 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2021-07-06 18:17:57,848 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 18:17:57,848 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 18:17:57,849 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-07-06 18:17:57,849 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-07-06 18:17:57,851 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-07-06 18:17:57,856 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-07-06 18:17:57,857 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-07-06 18:17:57,857 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-07-06 18:17:57,857 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-07-06 18:17:57,865 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-07-06 18:17:57,865 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-07-06 18:17:57,884 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-07-06 18:17:57,900 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2021-07-06 18:17:57,900 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 18:17:57,900 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 18:17:57,901 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-07-06 18:17:57,905 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-07-06 18:17:57,905 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-07-06 18:17:57,911 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-07-06 18:17:57,911 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-07-06 18:17:57,911 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-07-06 18:17:57,912 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-07-06 18:17:57,920 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-07-06 18:17:57,920 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-07-06 18:17:57,940 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-07-06 18:17:57,990 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2021-07-06 18:17:57,991 INFO L444 ModelExtractionUtils]: 35 out of 52 variables were initially zero. Simplification set additionally 14 variables to zero. [2021-07-06 18:17:57,991 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 18:17:57,991 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 18:17:57,992 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-07-06 18:17:57,993 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-07-06 18:17:57,994 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-07-06 18:17:58,014 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-07-06 18:17:58,014 INFO L513 LassoAnalysis]: Proved termination. [2021-07-06 18:17:58,014 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_build_nondet_String_#t~malloc1.base)_2, ULTIMATE.start_cstrcspn_~s~0.offset) = 1*v_rep(select #length ULTIMATE.start_build_nondet_String_#t~malloc1.base)_2 - 1*ULTIMATE.start_cstrcspn_~s~0.offset Supporting invariants [] [2021-07-06 18:17:58,031 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2021-07-06 18:17:58,050 INFO L297 tatePredicateManager]: 10 out of 11 supporting invariants were superfluous and have been removed [2021-07-06 18:17:58,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-06 18:17:58,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-06 18:17:58,080 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 14 conjunts are in the unsatisfiable core [2021-07-06 18:17:58,081 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-06 18:17:58,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:58,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 18:17:58,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:58,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 18:17:58,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:58,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 18:17:58,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:58,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 18:17:58,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:58,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 18:17:58,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:58,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 18:17:58,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:58,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 18:17:58,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:58,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 18:17:58,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:58,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 18:17:58,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:58,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 18:17:58,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:58,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 18:17:58,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:58,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 18:17:58,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:58,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 18:17:58,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:58,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 18:17:58,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:58,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 18:17:58,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:58,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 18:17:58,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:58,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 18:17:58,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:58,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 18:17:58,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:58,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 18:17:58,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:58,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 18:17:58,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:58,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 18:17:58,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:58,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 18:17:58,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:58,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 18:17:58,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:58,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 18:17:58,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:58,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-07-06 18:17:58,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:58,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 18:17:58,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:58,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 18:17:58,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:58,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 18:17:58,107 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:58,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-07-06 18:17:58,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:58,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 18:17:58,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:58,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 18:17:58,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:58,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 18:17:58,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:58,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 18:17:58,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:58,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 18:17:58,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:58,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 18:17:58,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:58,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 18:17:58,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-06 18:17:58,127 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 8 conjunts are in the unsatisfiable core [2021-07-06 18:17:58,128 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-06 18:17:58,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:58,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-07-06 18:17:58,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:58,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-07-06 18:17:58,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:58,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-07-06 18:17:58,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:58,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-07-06 18:17:58,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:58,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-07-06 18:17:58,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:58,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-07-06 18:17:58,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:58,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-07-06 18:17:58,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:58,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-07-06 18:17:58,152 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-06 18:17:58,152 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.3 stem predicates 2 loop predicates [2021-07-06 18:17:58,152 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 22 states and 27 transitions. cyclomatic complexity: 7 Second operand has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-06 18:17:58,208 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2021-07-06 18:17:58,219 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 22 states and 27 transitions. cyclomatic complexity: 7. Second operand has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 49 states and 59 transitions. Complement of second has 7 states. [2021-07-06 18:17:58,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 3 stem states 1 non-accepting loop states 1 accepting loop states [2021-07-06 18:17:58,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-06 18:17:58,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 20 transitions. [2021-07-06 18:17:58,220 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 20 transitions. Stem has 10 letters. Loop has 3 letters. [2021-07-06 18:17:58,220 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-07-06 18:17:58,221 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 20 transitions. Stem has 13 letters. Loop has 3 letters. [2021-07-06 18:17:58,221 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-07-06 18:17:58,221 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 20 transitions. Stem has 10 letters. Loop has 6 letters. [2021-07-06 18:17:58,221 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-07-06 18:17:58,222 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 49 states and 59 transitions. [2021-07-06 18:17:58,225 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-07-06 18:17:58,226 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 49 states to 35 states and 42 transitions. [2021-07-06 18:17:58,226 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2021-07-06 18:17:58,226 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2021-07-06 18:17:58,227 INFO L73 IsDeterministic]: Start isDeterministic. Operand 35 states and 42 transitions. [2021-07-06 18:17:58,227 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-07-06 18:17:58,227 INFO L681 BuchiCegarLoop]: Abstraction has 35 states and 42 transitions. [2021-07-06 18:17:58,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states and 42 transitions. [2021-07-06 18:17:58,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 27. [2021-07-06 18:17:58,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 27 states have (on average 1.2222222222222223) internal successors, (33), 26 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-06 18:17:58,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 33 transitions. [2021-07-06 18:17:58,230 INFO L704 BuchiCegarLoop]: Abstraction has 27 states and 33 transitions. [2021-07-06 18:17:58,230 INFO L587 BuchiCegarLoop]: Abstraction has 27 states and 33 transitions. [2021-07-06 18:17:58,230 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-07-06 18:17:58,230 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 27 states and 33 transitions. [2021-07-06 18:17:58,232 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-07-06 18:17:58,232 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-07-06 18:17:58,232 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-07-06 18:17:58,233 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-06 18:17:58,233 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-07-06 18:17:58,233 INFO L791 eck$LassoCheckResult]: Stem: 500#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 496#L-1 havoc main_#res;havoc main_#t~ret10.base, main_#t~ret10.offset, main_#t~ret11.base, main_#t~ret11.offset, main_#t~ret12;havoc build_nondet_String_#res.base, build_nondet_String_#res.offset;havoc build_nondet_String_#t~nondet0, build_nondet_String_#t~malloc1.base, build_nondet_String_#t~malloc1.offset, build_nondet_String_~length~0, build_nondet_String_~nondetString~0.base, build_nondet_String_~nondetString~0.offset;build_nondet_String_~length~0 := build_nondet_String_#t~nondet0;havoc build_nondet_String_#t~nondet0; 497#L14 assume !(build_nondet_String_~length~0 < 1); 501#L14-2 call build_nondet_String_#t~malloc1.base, build_nondet_String_#t~malloc1.offset := #Ultimate.allocOnHeap(build_nondet_String_~length~0);build_nondet_String_~nondetString~0.base, build_nondet_String_~nondetString~0.offset := build_nondet_String_#t~malloc1.base, build_nondet_String_#t~malloc1.offset;call write~int(0, build_nondet_String_~nondetString~0.base, build_nondet_String_~nondetString~0.offset + (build_nondet_String_~length~0 - 1), 1);build_nondet_String_#res.base, build_nondet_String_#res.offset := build_nondet_String_~nondetString~0.base, build_nondet_String_~nondetString~0.offset; 491#L19 main_#t~ret10.base, main_#t~ret10.offset := build_nondet_String_#res.base, build_nondet_String_#res.offset;havoc build_nondet_String_#res.base, build_nondet_String_#res.offset;havoc build_nondet_String_#t~nondet0, build_nondet_String_#t~malloc1.base, build_nondet_String_#t~malloc1.offset, build_nondet_String_~length~0, build_nondet_String_~nondetString~0.base, build_nondet_String_~nondetString~0.offset;build_nondet_String_~length~0 := build_nondet_String_#t~nondet0;havoc build_nondet_String_#t~nondet0; 492#L14-3 assume !(build_nondet_String_~length~0 < 1); 495#L14-5 call build_nondet_String_#t~malloc1.base, build_nondet_String_#t~malloc1.offset := #Ultimate.allocOnHeap(build_nondet_String_~length~0);build_nondet_String_~nondetString~0.base, build_nondet_String_~nondetString~0.offset := build_nondet_String_#t~malloc1.base, build_nondet_String_#t~malloc1.offset;call write~int(0, build_nondet_String_~nondetString~0.base, build_nondet_String_~nondetString~0.offset + (build_nondet_String_~length~0 - 1), 1);build_nondet_String_#res.base, build_nondet_String_#res.offset := build_nondet_String_~nondetString~0.base, build_nondet_String_~nondetString~0.offset; 489#L19-1 main_#t~ret11.base, main_#t~ret11.offset := build_nondet_String_#res.base, build_nondet_String_#res.offset;cstrcspn_#in~s1.base, cstrcspn_#in~s1.offset, cstrcspn_#in~s2.base, cstrcspn_#in~s2.offset := main_#t~ret10.base, main_#t~ret10.offset, main_#t~ret11.base, main_#t~ret11.offset;havoc cstrcspn_#res;havoc cstrcspn_#t~mem4, cstrcspn_#t~post8.base, cstrcspn_#t~post8.offset, cstrcspn_#t~mem5, cstrcspn_#t~mem6, cstrcspn_#t~short7, cstrcspn_#t~mem9, cstrcspn_#t~post2.base, cstrcspn_#t~post2.offset, cstrcspn_#t~mem3, cstrcspn_~s1.base, cstrcspn_~s1.offset, cstrcspn_~s2.base, cstrcspn_~s2.offset, cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset, cstrcspn_~s~0.base, cstrcspn_~s~0.offset, cstrcspn_~c~0;cstrcspn_~s1.base, cstrcspn_~s1.offset := cstrcspn_#in~s1.base, cstrcspn_#in~s1.offset;cstrcspn_~s2.base, cstrcspn_~s2.offset := cstrcspn_#in~s2.base, cstrcspn_#in~s2.offset;havoc cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset;havoc cstrcspn_~s~0.base, cstrcspn_~s~0.offset;havoc cstrcspn_~c~0;cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset := cstrcspn_~s1.base, cstrcspn_~s1.offset; 477#L30-4 call cstrcspn_#t~mem3 := read~int(cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset, 1); 478#L30-1 assume !!(0 != cstrcspn_#t~mem3);havoc cstrcspn_#t~mem3;cstrcspn_~s~0.base, cstrcspn_~s~0.offset := cstrcspn_~s2.base, cstrcspn_~s2.offset;call cstrcspn_#t~mem4 := read~int(cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset, 1);cstrcspn_~c~0 := cstrcspn_#t~mem4;havoc cstrcspn_#t~mem4; 490#L33-5 call cstrcspn_#t~mem5 := read~int(cstrcspn_~s~0.base, cstrcspn_~s~0.offset, 1);cstrcspn_#t~short7 := 0 != cstrcspn_#t~mem5; 498#L33-1 assume !cstrcspn_#t~short7; 499#L33-3 assume !cstrcspn_#t~short7;havoc cstrcspn_#t~mem5;havoc cstrcspn_#t~mem6;havoc cstrcspn_#t~short7; 482#L33-6 call cstrcspn_#t~mem9 := read~int(cstrcspn_~s~0.base, cstrcspn_~s~0.offset, 1); 483#L35 assume !(cstrcspn_#t~mem9 == cstrcspn_~c~0);havoc cstrcspn_#t~mem9; 484#L30-3 cstrcspn_#t~post2.base, cstrcspn_#t~post2.offset := cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset;cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset := cstrcspn_#t~post2.base, 1 + cstrcspn_#t~post2.offset;havoc cstrcspn_#t~post2.base, cstrcspn_#t~post2.offset; 479#L30-4 call cstrcspn_#t~mem3 := read~int(cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset, 1); 481#L30-1 assume !!(0 != cstrcspn_#t~mem3);havoc cstrcspn_#t~mem3;cstrcspn_~s~0.base, cstrcspn_~s~0.offset := cstrcspn_~s2.base, cstrcspn_~s2.offset;call cstrcspn_#t~mem4 := read~int(cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset, 1);cstrcspn_~c~0 := cstrcspn_#t~mem4;havoc cstrcspn_#t~mem4; 485#L33-5 [2021-07-06 18:17:58,234 INFO L793 eck$LassoCheckResult]: Loop: 485#L33-5 call cstrcspn_#t~mem5 := read~int(cstrcspn_~s~0.base, cstrcspn_~s~0.offset, 1);cstrcspn_#t~short7 := 0 != cstrcspn_#t~mem5; 486#L33-1 assume cstrcspn_#t~short7;call cstrcspn_#t~mem6 := read~int(cstrcspn_~s~0.base, cstrcspn_~s~0.offset, 1);cstrcspn_#t~short7 := cstrcspn_#t~mem6 != (if cstrcspn_~c~0 % 256 <= 127 then cstrcspn_~c~0 % 256 else cstrcspn_~c~0 % 256 - 256); 493#L33-3 assume !!cstrcspn_#t~short7;havoc cstrcspn_#t~mem5;havoc cstrcspn_#t~mem6;havoc cstrcspn_#t~short7;cstrcspn_#t~post8.base, cstrcspn_#t~post8.offset := cstrcspn_~s~0.base, cstrcspn_~s~0.offset;cstrcspn_~s~0.base, cstrcspn_~s~0.offset := cstrcspn_#t~post8.base, 1 + cstrcspn_#t~post8.offset;havoc cstrcspn_#t~post8.base, cstrcspn_#t~post8.offset; 485#L33-5 [2021-07-06 18:17:58,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-06 18:17:58,234 INFO L82 PathProgramCache]: Analyzing trace with hash 1703936771, now seen corresponding path program 2 times [2021-07-06 18:17:58,234 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-06 18:17:58,235 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1202791147] [2021-07-06 18:17:58,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-06 18:17:58,235 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-06 18:17:58,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 18:17:58,266 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 18:17:58,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 18:17:58,274 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 18:17:58,276 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-07-06 18:17:58,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-06 18:17:58,277 INFO L82 PathProgramCache]: Analyzing trace with hash 63657, now seen corresponding path program 2 times [2021-07-06 18:17:58,277 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-06 18:17:58,277 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [43942654] [2021-07-06 18:17:58,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-06 18:17:58,277 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-06 18:17:58,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 18:17:58,280 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 18:17:58,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 18:17:58,282 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 18:17:58,283 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-07-06 18:17:58,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-06 18:17:58,283 INFO L82 PathProgramCache]: Analyzing trace with hash -238092697, now seen corresponding path program 1 times [2021-07-06 18:17:58,283 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-06 18:17:58,283 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1449485457] [2021-07-06 18:17:58,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-06 18:17:58,284 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-06 18:17:58,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-06 18:17:58,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:58,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 18:17:58,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:58,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-06 18:17:58,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:58,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-06 18:17:58,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:58,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-07-06 18:17:58,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:58,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-06 18:17:58,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:58,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-06 18:17:58,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:58,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 2 [2021-07-06 18:17:58,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:58,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 18:17:58,333 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-06 18:17:58,334 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-06 18:17:58,334 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1449485457] [2021-07-06 18:17:58,334 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1449485457] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-06 18:17:58,334 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [590572343] [2021-07-06 18:17:58,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-06 18:17:58,334 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-06 18:17:58,334 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 18:17:58,335 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-07-06 18:17:58,365 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2021-07-06 18:17:58,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-06 18:17:58,389 INFO L263 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 28 conjunts are in the unsatisfiable core [2021-07-06 18:17:58,390 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-06 18:17:58,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:58,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 18:17:58,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:58,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 18:17:58,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:58,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 18:17:58,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:58,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 18:17:58,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:58,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 18:17:58,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:58,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 18:17:58,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:58,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 18:17:58,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:58,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 18:17:58,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:58,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 18:17:58,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:58,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 18:17:58,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:58,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 18:17:58,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:58,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 18:17:58,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:58,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 18:17:58,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:58,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 18:17:58,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:58,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 18:17:58,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:58,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 18:17:58,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:58,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 18:17:58,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:58,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 18:17:58,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:58,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 18:17:58,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:58,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 18:17:58,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:58,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 18:17:58,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:58,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 18:17:58,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:58,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 18:17:58,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:58,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 18:17:58,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:58,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 18:17:58,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:58,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 18:17:58,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:58,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 18:17:58,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:58,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 18:17:58,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:58,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-07-06 18:17:58,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:58,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 18:17:58,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:58,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 18:17:58,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:58,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 18:17:58,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:58,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 18:17:58,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:58,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 18:17:58,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:58,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 18:17:58,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:58,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 18:17:58,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:58,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-06 18:17:58,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:58,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-06 18:17:58,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:58,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-06 18:17:58,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:58,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-06 18:17:58,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:58,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-06 18:17:58,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:58,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-07-06 18:17:58,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:58,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-07-06 18:17:58,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:58,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-07-06 18:17:58,430 INFO L142 QuantifierPusher]: treesize reduction 14, result has 41.7 percent of original size [2021-07-06 18:17:58,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-07-06 18:17:58,431 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:58,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-06 18:17:58,431 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:58,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-06 18:17:58,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:58,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-06 18:17:58,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:58,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-06 18:17:58,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:58,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-06 18:17:58,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:58,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-06 18:17:58,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:58,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-06 18:17:58,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:58,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-06 18:17:58,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:58,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-06 18:17:58,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:58,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-06 18:17:58,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:58,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-06 18:17:58,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:58,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-06 18:17:58,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:58,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-06 18:17:58,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:58,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-06 18:17:58,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:58,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-06 18:17:58,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:58,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-06 18:17:58,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:58,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-06 18:17:58,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:58,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-06 18:17:58,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:58,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-06 18:17:58,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:58,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-06 18:17:58,442 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:58,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-06 18:17:58,442 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:58,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-06 18:17:58,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:58,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-06 18:17:58,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:58,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-07-06 18:17:58,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:58,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-06 18:17:58,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:58,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-06 18:17:58,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:58,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-06 18:17:58,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:58,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-06 18:17:58,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:58,448 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-06 18:17:58,449 INFO L142 QuantifierPusher]: treesize reduction 19, result has 34.5 percent of original size [2021-07-06 18:17:58,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-07-06 18:17:58,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-07-06 18:17:58,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:58,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 2 [2021-07-06 18:17:58,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:58,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 2 [2021-07-06 18:17:58,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:58,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 18:17:58,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:58,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 18:17:58,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:58,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 18:17:58,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:58,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 18:17:58,454 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-06 18:17:58,454 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [590572343] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-06 18:17:58,455 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-06 18:17:58,455 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 9 [2021-07-06 18:17:58,455 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [756250820] [2021-07-06 18:17:58,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:58,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-07-06 18:17:58,520 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-06 18:17:58,521 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-07-06 18:17:58,521 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-07-06 18:17:58,522 INFO L87 Difference]: Start difference. First operand 27 states and 33 transitions. cyclomatic complexity: 9 Second operand has 9 states, 9 states have (on average 2.7777777777777777) internal successors, (25), 9 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-06 18:17:58,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-06 18:17:58,626 INFO L93 Difference]: Finished difference Result 56 states and 67 transitions. [2021-07-06 18:17:58,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-06 18:17:58,626 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 56 states and 67 transitions. [2021-07-06 18:17:58,627 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-07-06 18:17:58,627 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 56 states to 45 states and 54 transitions. [2021-07-06 18:17:58,627 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2021-07-06 18:17:58,627 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2021-07-06 18:17:58,627 INFO L73 IsDeterministic]: Start isDeterministic. Operand 45 states and 54 transitions. [2021-07-06 18:17:58,627 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-07-06 18:17:58,628 INFO L681 BuchiCegarLoop]: Abstraction has 45 states and 54 transitions. [2021-07-06 18:17:58,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states and 54 transitions. [2021-07-06 18:17:58,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 31. [2021-07-06 18:17:58,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 31 states have (on average 1.2258064516129032) internal successors, (38), 30 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-06 18:17:58,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 38 transitions. [2021-07-06 18:17:58,629 INFO L704 BuchiCegarLoop]: Abstraction has 31 states and 38 transitions. [2021-07-06 18:17:58,629 INFO L587 BuchiCegarLoop]: Abstraction has 31 states and 38 transitions. [2021-07-06 18:17:58,629 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-07-06 18:17:58,629 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 31 states and 38 transitions. [2021-07-06 18:17:58,630 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-07-06 18:17:58,630 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-07-06 18:17:58,630 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-07-06 18:17:58,631 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-06 18:17:58,631 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-07-06 18:17:58,631 INFO L791 eck$LassoCheckResult]: Stem: 660#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 658#L-1 havoc main_#res;havoc main_#t~ret10.base, main_#t~ret10.offset, main_#t~ret11.base, main_#t~ret11.offset, main_#t~ret12;havoc build_nondet_String_#res.base, build_nondet_String_#res.offset;havoc build_nondet_String_#t~nondet0, build_nondet_String_#t~malloc1.base, build_nondet_String_#t~malloc1.offset, build_nondet_String_~length~0, build_nondet_String_~nondetString~0.base, build_nondet_String_~nondetString~0.offset;build_nondet_String_~length~0 := build_nondet_String_#t~nondet0;havoc build_nondet_String_#t~nondet0; 659#L14 assume !(build_nondet_String_~length~0 < 1); 663#L14-2 call build_nondet_String_#t~malloc1.base, build_nondet_String_#t~malloc1.offset := #Ultimate.allocOnHeap(build_nondet_String_~length~0);build_nondet_String_~nondetString~0.base, build_nondet_String_~nondetString~0.offset := build_nondet_String_#t~malloc1.base, build_nondet_String_#t~malloc1.offset;call write~int(0, build_nondet_String_~nondetString~0.base, build_nondet_String_~nondetString~0.offset + (build_nondet_String_~length~0 - 1), 1);build_nondet_String_#res.base, build_nondet_String_#res.offset := build_nondet_String_~nondetString~0.base, build_nondet_String_~nondetString~0.offset; 652#L19 main_#t~ret10.base, main_#t~ret10.offset := build_nondet_String_#res.base, build_nondet_String_#res.offset;havoc build_nondet_String_#res.base, build_nondet_String_#res.offset;havoc build_nondet_String_#t~nondet0, build_nondet_String_#t~malloc1.base, build_nondet_String_#t~malloc1.offset, build_nondet_String_~length~0, build_nondet_String_~nondetString~0.base, build_nondet_String_~nondetString~0.offset;build_nondet_String_~length~0 := build_nondet_String_#t~nondet0;havoc build_nondet_String_#t~nondet0; 653#L14-3 assume !(build_nondet_String_~length~0 < 1); 657#L14-5 call build_nondet_String_#t~malloc1.base, build_nondet_String_#t~malloc1.offset := #Ultimate.allocOnHeap(build_nondet_String_~length~0);build_nondet_String_~nondetString~0.base, build_nondet_String_~nondetString~0.offset := build_nondet_String_#t~malloc1.base, build_nondet_String_#t~malloc1.offset;call write~int(0, build_nondet_String_~nondetString~0.base, build_nondet_String_~nondetString~0.offset + (build_nondet_String_~length~0 - 1), 1);build_nondet_String_#res.base, build_nondet_String_#res.offset := build_nondet_String_~nondetString~0.base, build_nondet_String_~nondetString~0.offset; 650#L19-1 main_#t~ret11.base, main_#t~ret11.offset := build_nondet_String_#res.base, build_nondet_String_#res.offset;cstrcspn_#in~s1.base, cstrcspn_#in~s1.offset, cstrcspn_#in~s2.base, cstrcspn_#in~s2.offset := main_#t~ret10.base, main_#t~ret10.offset, main_#t~ret11.base, main_#t~ret11.offset;havoc cstrcspn_#res;havoc cstrcspn_#t~mem4, cstrcspn_#t~post8.base, cstrcspn_#t~post8.offset, cstrcspn_#t~mem5, cstrcspn_#t~mem6, cstrcspn_#t~short7, cstrcspn_#t~mem9, cstrcspn_#t~post2.base, cstrcspn_#t~post2.offset, cstrcspn_#t~mem3, cstrcspn_~s1.base, cstrcspn_~s1.offset, cstrcspn_~s2.base, cstrcspn_~s2.offset, cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset, cstrcspn_~s~0.base, cstrcspn_~s~0.offset, cstrcspn_~c~0;cstrcspn_~s1.base, cstrcspn_~s1.offset := cstrcspn_#in~s1.base, cstrcspn_#in~s1.offset;cstrcspn_~s2.base, cstrcspn_~s2.offset := cstrcspn_#in~s2.base, cstrcspn_#in~s2.offset;havoc cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset;havoc cstrcspn_~s~0.base, cstrcspn_~s~0.offset;havoc cstrcspn_~c~0;cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset := cstrcspn_~s1.base, cstrcspn_~s1.offset; 638#L30-4 call cstrcspn_#t~mem3 := read~int(cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset, 1); 639#L30-1 assume !!(0 != cstrcspn_#t~mem3);havoc cstrcspn_#t~mem3;cstrcspn_~s~0.base, cstrcspn_~s~0.offset := cstrcspn_~s2.base, cstrcspn_~s2.offset;call cstrcspn_#t~mem4 := read~int(cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset, 1);cstrcspn_~c~0 := cstrcspn_#t~mem4;havoc cstrcspn_#t~mem4; 667#L33-5 call cstrcspn_#t~mem5 := read~int(cstrcspn_~s~0.base, cstrcspn_~s~0.offset, 1);cstrcspn_#t~short7 := 0 != cstrcspn_#t~mem5; 661#L33-1 assume cstrcspn_#t~short7;call cstrcspn_#t~mem6 := read~int(cstrcspn_~s~0.base, cstrcspn_~s~0.offset, 1);cstrcspn_#t~short7 := cstrcspn_#t~mem6 != (if cstrcspn_~c~0 % 256 <= 127 then cstrcspn_~c~0 % 256 else cstrcspn_~c~0 % 256 - 256); 662#L33-3 assume !cstrcspn_#t~short7;havoc cstrcspn_#t~mem5;havoc cstrcspn_#t~mem6;havoc cstrcspn_#t~short7; 643#L33-6 call cstrcspn_#t~mem9 := read~int(cstrcspn_~s~0.base, cstrcspn_~s~0.offset, 1); 644#L35 assume !(cstrcspn_#t~mem9 == cstrcspn_~c~0);havoc cstrcspn_#t~mem9; 645#L30-3 cstrcspn_#t~post2.base, cstrcspn_#t~post2.offset := cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset;cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset := cstrcspn_#t~post2.base, 1 + cstrcspn_#t~post2.offset;havoc cstrcspn_#t~post2.base, cstrcspn_#t~post2.offset; 640#L30-4 call cstrcspn_#t~mem3 := read~int(cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset, 1); 642#L30-1 assume !!(0 != cstrcspn_#t~mem3);havoc cstrcspn_#t~mem3;cstrcspn_~s~0.base, cstrcspn_~s~0.offset := cstrcspn_~s2.base, cstrcspn_~s2.offset;call cstrcspn_#t~mem4 := read~int(cstrcspn_~sc1~0.base, cstrcspn_~sc1~0.offset, 1);cstrcspn_~c~0 := cstrcspn_#t~mem4;havoc cstrcspn_#t~mem4; 646#L33-5 [2021-07-06 18:17:58,631 INFO L793 eck$LassoCheckResult]: Loop: 646#L33-5 call cstrcspn_#t~mem5 := read~int(cstrcspn_~s~0.base, cstrcspn_~s~0.offset, 1);cstrcspn_#t~short7 := 0 != cstrcspn_#t~mem5; 647#L33-1 assume cstrcspn_#t~short7;call cstrcspn_#t~mem6 := read~int(cstrcspn_~s~0.base, cstrcspn_~s~0.offset, 1);cstrcspn_#t~short7 := cstrcspn_#t~mem6 != (if cstrcspn_~c~0 % 256 <= 127 then cstrcspn_~c~0 % 256 else cstrcspn_~c~0 % 256 - 256); 654#L33-3 assume !!cstrcspn_#t~short7;havoc cstrcspn_#t~mem5;havoc cstrcspn_#t~mem6;havoc cstrcspn_#t~short7;cstrcspn_#t~post8.base, cstrcspn_#t~post8.offset := cstrcspn_~s~0.base, cstrcspn_~s~0.offset;cstrcspn_~s~0.base, cstrcspn_~s~0.offset := cstrcspn_#t~post8.base, 1 + cstrcspn_#t~post8.offset;havoc cstrcspn_#t~post8.base, cstrcspn_#t~post8.offset; 646#L33-5 [2021-07-06 18:17:58,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-06 18:17:58,631 INFO L82 PathProgramCache]: Analyzing trace with hash -71070591, now seen corresponding path program 1 times [2021-07-06 18:17:58,631 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-06 18:17:58,632 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [254437595] [2021-07-06 18:17:58,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-06 18:17:58,632 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-06 18:17:58,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 18:17:58,644 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 18:17:58,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 18:17:58,652 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 18:17:58,655 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-07-06 18:17:58,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-06 18:17:58,655 INFO L82 PathProgramCache]: Analyzing trace with hash 63657, now seen corresponding path program 3 times [2021-07-06 18:17:58,655 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-06 18:17:58,655 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1001240352] [2021-07-06 18:17:58,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-06 18:17:58,655 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-06 18:17:58,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 18:17:58,671 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 18:17:58,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 18:17:58,674 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 18:17:58,675 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-07-06 18:17:58,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-06 18:17:58,677 INFO L82 PathProgramCache]: Analyzing trace with hash 154934313, now seen corresponding path program 1 times [2021-07-06 18:17:58,677 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-06 18:17:58,677 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1625158991] [2021-07-06 18:17:58,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-06 18:17:58,678 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-06 18:17:58,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 18:17:58,686 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 18:17:58,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 18:17:58,701 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 18:17:58,706 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-07-06 18:17:58,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:58,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-07-06 18:17:59,381 WARN L205 SmtUtils]: Spent 613.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 160 [2021-07-06 18:17:59,385 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:59,388 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-06 18:17:59,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:59,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-07-06 18:17:59,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 263 [2021-07-06 18:17:59,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:59,397 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-06 18:17:59,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:17:59,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-07-06 18:17:59,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 474 [2021-07-06 18:18:00,233 WARN L205 SmtUtils]: Spent 831.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 130 [2021-07-06 18:18:00,242 INFO L210 LassoAnalysis]: Preferences: [2021-07-06 18:18:00,242 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-07-06 18:18:00,242 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-07-06 18:18:00,242 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-07-06 18:18:00,243 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-07-06 18:18:00,243 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 18:18:00,243 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-07-06 18:18:00,243 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-07-06 18:18:00,243 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrcspn.c_Iteration6_Lasso [2021-07-06 18:18:00,243 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-07-06 18:18:00,243 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-07-06 18:18:00,250 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 18:18:00,252 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 18:18:00,254 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 18:18:00,412 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 20 [2021-07-06 18:18:01,027 WARN L205 SmtUtils]: Spent 609.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 101 [2021-07-06 18:18:01,122 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 18:18:01,124 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 18:18:01,125 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 18:18:01,127 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 18:18:01,128 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 18:18:01,130 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 18:18:01,133 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 18:18:01,135 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 18:18:01,137 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 18:18:01,138 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 18:18:01,140 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 18:18:01,141 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 18:18:01,143 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 18:18:01,144 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 18:18:01,152 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 18:18:01,380 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 62 [2021-07-06 18:18:01,513 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 10 [2021-07-06 18:18:01,866 WARN L205 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 47 [2021-07-06 18:18:02,623 WARN L205 SmtUtils]: Spent 736.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 56 [2021-07-06 18:18:02,772 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 36 [2021-07-06 18:18:02,878 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-07-06 18:18:02,878 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-07-06 18:18:02,878 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 18:18:02,878 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 18:18:02,879 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-07-06 18:18:02,880 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-07-06 18:18:02,881 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-07-06 18:18:02,887 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-07-06 18:18:02,887 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-07-06 18:18:02,887 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-07-06 18:18:02,887 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-07-06 18:18:02,887 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-07-06 18:18:02,888 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-07-06 18:18:02,888 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-07-06 18:18:02,889 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-07-06 18:18:02,903 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2021-07-06 18:18:02,903 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 18:18:02,903 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 18:18:02,904 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-07-06 18:18:02,904 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-07-06 18:18:02,906 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-07-06 18:18:02,911 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-07-06 18:18:02,911 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-07-06 18:18:02,911 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-07-06 18:18:02,911 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-07-06 18:18:02,912 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-07-06 18:18:02,912 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-07-06 18:18:02,914 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-07-06 18:18:02,930 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2021-07-06 18:18:02,930 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 18:18:02,930 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 18:18:02,931 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-07-06 18:18:02,939 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-07-06 18:18:02,944 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-07-06 18:18:02,945 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-07-06 18:18:02,945 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-07-06 18:18:02,945 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-07-06 18:18:02,946 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-07-06 18:18:02,946 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-07-06 18:18:02,950 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-07-06 18:18:02,957 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-07-06 18:18:02,977 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2021-07-06 18:18:02,977 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 18:18:02,977 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 18:18:02,978 INFO L229 MonitoredProcess]: Starting monitored process 39 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-07-06 18:18:02,979 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-07-06 18:18:02,980 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-07-06 18:18:02,986 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-07-06 18:18:02,986 INFO L203 nArgumentSynthesizer]: 4 stem disjuncts [2021-07-06 18:18:02,986 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-07-06 18:18:02,986 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-07-06 18:18:03,003 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-07-06 18:18:03,003 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-07-06 18:18:03,024 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-07-06 18:18:03,043 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2021-07-06 18:18:03,043 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 18:18:03,044 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 18:18:03,044 INFO L229 MonitoredProcess]: Starting monitored process 40 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-07-06 18:18:03,046 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-07-06 18:18:03,047 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-07-06 18:18:03,054 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-07-06 18:18:03,054 INFO L203 nArgumentSynthesizer]: 8 stem disjuncts [2021-07-06 18:18:03,054 INFO L204 nArgumentSynthesizer]: 6 loop disjuncts [2021-07-06 18:18:03,054 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-07-06 18:18:03,188 INFO L401 nArgumentSynthesizer]: We have 180 Motzkin's Theorem applications. [2021-07-06 18:18:03,188 INFO L402 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2021-07-06 18:18:03,351 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-07-06 18:18:03,369 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2021-07-06 18:18:03,369 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 18:18:03,369 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 18:18:03,370 INFO L229 MonitoredProcess]: Starting monitored process 41 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-07-06 18:18:03,371 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-07-06 18:18:03,372 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-07-06 18:18:03,378 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-07-06 18:18:03,378 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-07-06 18:18:03,378 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-07-06 18:18:03,378 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-07-06 18:18:03,380 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-07-06 18:18:03,380 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-07-06 18:18:03,395 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-07-06 18:18:03,415 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2021-07-06 18:18:03,415 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 18:18:03,415 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 18:18:03,417 INFO L229 MonitoredProcess]: Starting monitored process 42 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-07-06 18:18:03,418 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-07-06 18:18:03,420 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-07-06 18:18:03,425 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-07-06 18:18:03,426 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-07-06 18:18:03,426 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-07-06 18:18:03,426 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-07-06 18:18:03,427 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-07-06 18:18:03,427 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-07-06 18:18:03,440 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-07-06 18:18:03,458 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2021-07-06 18:18:03,459 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 18:18:03,459 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 18:18:03,460 INFO L229 MonitoredProcess]: Starting monitored process 43 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-07-06 18:18:03,465 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-07-06 18:18:03,471 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-07-06 18:18:03,471 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-07-06 18:18:03,471 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-07-06 18:18:03,471 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-07-06 18:18:03,474 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-07-06 18:18:03,474 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-07-06 18:18:03,476 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-07-06 18:18:03,485 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-07-06 18:18:03,500 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2021-07-06 18:18:03,500 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 18:18:03,501 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 18:18:03,505 INFO L229 MonitoredProcess]: Starting monitored process 44 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-07-06 18:18:03,506 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2021-07-06 18:18:03,507 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-07-06 18:18:03,514 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-07-06 18:18:03,514 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-07-06 18:18:03,514 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-07-06 18:18:03,514 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-07-06 18:18:03,522 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-07-06 18:18:03,522 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-07-06 18:18:03,536 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-07-06 18:18:03,562 INFO L443 ModelExtractionUtils]: Simplification made 13 calls to the SMT solver. [2021-07-06 18:18:03,562 INFO L444 ModelExtractionUtils]: 10 out of 46 variables were initially zero. Simplification set additionally 33 variables to zero. [2021-07-06 18:18:03,562 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 18:18:03,562 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 18:18:03,569 INFO L229 MonitoredProcess]: Starting monitored process 45 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-07-06 18:18:03,570 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2021-07-06 18:18:03,571 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-07-06 18:18:03,590 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-07-06 18:18:03,591 INFO L513 LassoAnalysis]: Proved termination. [2021-07-06 18:18:03,591 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_build_nondet_String_#t~malloc1.base)_3, ULTIMATE.start_cstrcspn_~s~0.offset) = 1*v_rep(select #length ULTIMATE.start_build_nondet_String_#t~malloc1.base)_3 - 1*ULTIMATE.start_cstrcspn_~s~0.offset Supporting invariants [] [2021-07-06 18:18:03,607 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2021-07-06 18:18:03,658 INFO L297 tatePredicateManager]: 18 out of 19 supporting invariants were superfluous and have been removed [2021-07-06 18:18:03,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-06 18:18:03,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-06 18:18:03,699 INFO L263 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 16 conjunts are in the unsatisfiable core [2021-07-06 18:18:03,701 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-06 18:18:03,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:03,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 18:18:03,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:03,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 18:18:03,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:03,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 18:18:03,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:03,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 18:18:03,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:03,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 18:18:03,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:03,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 18:18:03,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:03,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 18:18:03,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:03,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 18:18:03,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:03,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 18:18:03,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:03,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 18:18:03,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:03,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 18:18:03,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:03,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 18:18:03,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:03,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 18:18:03,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:03,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 18:18:03,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:03,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 18:18:03,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:03,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 18:18:03,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:03,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 18:18:03,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:03,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 18:18:03,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:03,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 18:18:03,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:03,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 18:18:03,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:03,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 18:18:03,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:03,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 18:18:03,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:03,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 18:18:03,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:03,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 18:18:03,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:03,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-07-06 18:18:03,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:03,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 18:18:03,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:03,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 18:18:03,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:03,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 18:18:03,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:03,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-07-06 18:18:03,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:03,748 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2021-07-06 18:18:03,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 18:18:03,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:03,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 18:18:03,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:03,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 18:18:03,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:03,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 18:18:03,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:03,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 18:18:03,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:03,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 18:18:03,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:03,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 18:18:03,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:03,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-07-06 18:18:03,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:03,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 18:18:03,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:03,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 18:18:03,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:03,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 18:18:03,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:03,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 18:18:03,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:03,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 18:18:03,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:03,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 18:18:03,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:03,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 18:18:03,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:03,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 18:18:03,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:03,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 18:18:03,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:03,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 18:18:03,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:03,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 18:18:03,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:03,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 18:18:03,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:03,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 18:18:03,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:03,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 18:18:03,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:03,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 18:18:03,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:03,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 18:18:03,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:03,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 18:18:03,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:03,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 18:18:03,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:03,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 18:18:03,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:03,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 18:18:03,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:03,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 18:18:03,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:03,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 18:18:03,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:03,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 18:18:03,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:03,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 18:18:03,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:03,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 18:18:03,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:03,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 18:18:03,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:03,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 18:18:03,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:03,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 18:18:03,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:03,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 18:18:03,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:03,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 18:18:03,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:03,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 18:18:03,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-06 18:18:03,792 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 8 conjunts are in the unsatisfiable core [2021-07-06 18:18:03,792 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-06 18:18:03,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:03,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-07-06 18:18:03,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:03,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-07-06 18:18:03,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:03,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-07-06 18:18:03,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:03,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-07-06 18:18:03,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:03,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-07-06 18:18:03,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:03,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-07-06 18:18:03,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:03,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-07-06 18:18:03,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:03,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-07-06 18:18:03,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-06 18:18:03,809 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.3 stem predicates 2 loop predicates [2021-07-06 18:18:03,809 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 31 states and 38 transitions. cyclomatic complexity: 10 Second operand has 5 states, 5 states have (on average 4.0) internal successors, (20), 5 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-06 18:18:03,854 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 31 states and 38 transitions. cyclomatic complexity: 10. Second operand has 5 states, 5 states have (on average 4.0) internal successors, (20), 5 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 49 states and 60 transitions. Complement of second has 7 states. [2021-07-06 18:18:03,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 3 stem states 1 non-accepting loop states 1 accepting loop states [2021-07-06 18:18:03,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 4.0) internal successors, (20), 5 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-06 18:18:03,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 20 transitions. [2021-07-06 18:18:03,855 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 20 transitions. Stem has 18 letters. Loop has 3 letters. [2021-07-06 18:18:03,855 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-07-06 18:18:03,855 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-07-06 18:18:03,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-06 18:18:03,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-06 18:18:03,890 INFO L263 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 16 conjunts are in the unsatisfiable core [2021-07-06 18:18:03,891 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-06 18:18:03,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:03,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 18:18:03,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:03,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 18:18:03,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:03,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 18:18:03,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:03,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 18:18:03,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:03,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 18:18:03,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:03,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 18:18:03,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:03,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 18:18:03,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:03,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 18:18:03,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:03,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 18:18:03,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:03,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 18:18:03,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:03,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 18:18:03,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:03,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 18:18:03,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:03,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 18:18:03,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:03,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 18:18:03,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:03,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 18:18:03,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:03,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 18:18:03,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:03,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 18:18:03,899 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:03,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 18:18:03,899 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:03,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 18:18:03,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:03,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 18:18:03,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:03,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 18:18:03,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:03,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 18:18:03,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:03,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 18:18:03,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:03,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 18:18:03,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:03,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-07-06 18:18:03,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:03,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 18:18:03,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:03,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 18:18:03,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:03,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 18:18:03,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:03,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-07-06 18:18:03,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:03,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 18:18:03,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:03,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 18:18:03,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:03,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 18:18:03,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:03,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 18:18:03,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:03,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 18:18:03,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:03,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 18:18:03,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:03,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 18:18:03,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:03,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-07-06 18:18:03,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:03,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 18:18:03,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:03,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 18:18:03,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:03,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 18:18:03,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:03,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 18:18:03,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:03,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 18:18:03,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:03,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 18:18:03,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:03,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 18:18:03,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:03,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 18:18:03,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:03,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 18:18:03,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:03,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 18:18:03,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:03,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 18:18:03,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:03,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 18:18:03,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:03,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 18:18:03,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:03,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 18:18:03,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:03,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 18:18:03,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:03,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 18:18:03,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:03,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 18:18:03,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:03,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 18:18:03,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:03,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 18:18:03,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:03,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 18:18:03,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:03,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 18:18:03,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:03,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 18:18:03,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:03,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 18:18:03,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:03,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 18:18:03,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:03,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 18:18:03,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:03,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 18:18:03,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:03,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 18:18:03,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:03,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 18:18:03,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:03,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 18:18:03,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:03,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 18:18:03,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:03,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 18:18:03,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-06 18:18:03,961 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 8 conjunts are in the unsatisfiable core [2021-07-06 18:18:03,962 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-06 18:18:03,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:03,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-07-06 18:18:03,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:03,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-07-06 18:18:03,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:03,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-07-06 18:18:03,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:03,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-07-06 18:18:03,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:03,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-07-06 18:18:03,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:03,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-07-06 18:18:03,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:03,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-07-06 18:18:03,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:03,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-07-06 18:18:03,975 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-06 18:18:03,976 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.3 stem predicates 2 loop predicates [2021-07-06 18:18:03,976 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 31 states and 38 transitions. cyclomatic complexity: 10 Second operand has 5 states, 5 states have (on average 4.0) internal successors, (20), 5 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-06 18:18:04,026 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 31 states and 38 transitions. cyclomatic complexity: 10. Second operand has 5 states, 5 states have (on average 4.0) internal successors, (20), 5 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 49 states and 60 transitions. Complement of second has 7 states. [2021-07-06 18:18:04,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 3 stem states 1 non-accepting loop states 1 accepting loop states [2021-07-06 18:18:04,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 4.0) internal successors, (20), 5 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-06 18:18:04,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 20 transitions. [2021-07-06 18:18:04,027 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 20 transitions. Stem has 18 letters. Loop has 3 letters. [2021-07-06 18:18:04,027 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-07-06 18:18:04,027 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-07-06 18:18:04,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-06 18:18:04,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-06 18:18:04,069 INFO L263 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 16 conjunts are in the unsatisfiable core [2021-07-06 18:18:04,069 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-06 18:18:04,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:04,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 18:18:04,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:04,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 18:18:04,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:04,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 18:18:04,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:04,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 18:18:04,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:04,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 18:18:04,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:04,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 18:18:04,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:04,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 18:18:04,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:04,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 18:18:04,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:04,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 18:18:04,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:04,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 18:18:04,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:04,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 18:18:04,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:04,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 18:18:04,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:04,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 18:18:04,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:04,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 18:18:04,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:04,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 18:18:04,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:04,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 18:18:04,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:04,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 18:18:04,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:04,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 18:18:04,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:04,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 18:18:04,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:04,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 18:18:04,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:04,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 18:18:04,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:04,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 18:18:04,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:04,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 18:18:04,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:04,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 18:18:04,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:04,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-07-06 18:18:04,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:04,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 18:18:04,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:04,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 18:18:04,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:04,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 18:18:04,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:04,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-07-06 18:18:04,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:04,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 18:18:04,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:04,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 18:18:04,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:04,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 18:18:04,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:04,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 18:18:04,107 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:04,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 18:18:04,107 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:04,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 18:18:04,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:04,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 18:18:04,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:04,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-07-06 18:18:04,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:04,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 18:18:04,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:04,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 18:18:04,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:04,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 18:18:04,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:04,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 18:18:04,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:04,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 18:18:04,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:04,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 18:18:04,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:04,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 18:18:04,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:04,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 18:18:04,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:04,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 18:18:04,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:04,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 18:18:04,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:04,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 18:18:04,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:04,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 18:18:04,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:04,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 18:18:04,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:04,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 18:18:04,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:04,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 18:18:04,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:04,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 18:18:04,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:04,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 18:18:04,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:04,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 18:18:04,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:04,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 18:18:04,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:04,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 18:18:04,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:04,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 18:18:04,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:04,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 18:18:04,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:04,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 18:18:04,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:04,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 18:18:04,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:04,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 18:18:04,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:04,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 18:18:04,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:04,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 18:18:04,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:04,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 18:18:04,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:04,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 18:18:04,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:04,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 18:18:04,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:04,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-06 18:18:04,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-06 18:18:04,130 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 8 conjunts are in the unsatisfiable core [2021-07-06 18:18:04,130 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-06 18:18:04,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:04,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-07-06 18:18:04,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:04,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-07-06 18:18:04,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:04,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-07-06 18:18:04,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:04,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-07-06 18:18:04,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:04,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-07-06 18:18:04,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:04,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-07-06 18:18:04,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:04,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-07-06 18:18:04,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 18:18:04,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-07-06 18:18:04,147 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-06 18:18:04,148 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.3 stem predicates 2 loop predicates [2021-07-06 18:18:04,148 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 31 states and 38 transitions. cyclomatic complexity: 10 Second operand has 5 states, 5 states have (on average 4.0) internal successors, (20), 5 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-06 18:18:04,197 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 31 states and 38 transitions. cyclomatic complexity: 10. Second operand has 5 states, 5 states have (on average 4.0) internal successors, (20), 5 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 48 states and 62 transitions. Complement of second has 6 states. [2021-07-06 18:18:04,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 3 stem states 1 non-accepting loop states 1 accepting loop states [2021-07-06 18:18:04,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 4.0) internal successors, (20), 5 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-06 18:18:04,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 29 transitions. [2021-07-06 18:18:04,201 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 29 transitions. Stem has 18 letters. Loop has 3 letters. [2021-07-06 18:18:04,201 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-07-06 18:18:04,201 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 29 transitions. Stem has 21 letters. Loop has 3 letters. [2021-07-06 18:18:04,201 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-07-06 18:18:04,201 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 29 transitions. Stem has 18 letters. Loop has 6 letters. [2021-07-06 18:18:04,202 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-07-06 18:18:04,202 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 48 states and 62 transitions. [2021-07-06 18:18:04,203 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-07-06 18:18:04,204 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 48 states to 0 states and 0 transitions. [2021-07-06 18:18:04,204 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-07-06 18:18:04,204 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-07-06 18:18:04,204 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-07-06 18:18:04,204 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-07-06 18:18:04,204 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-07-06 18:18:04,204 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-07-06 18:18:04,204 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-07-06 18:18:04,204 INFO L425 BuchiCegarLoop]: ======== Iteration 7============ [2021-07-06 18:18:04,204 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-07-06 18:18:04,204 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-07-06 18:18:04,204 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-07-06 18:18:04,208 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 06.07 06:18:04 BoogieIcfgContainer [2021-07-06 18:18:04,208 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-07-06 18:18:04,208 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-07-06 18:18:04,209 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-07-06 18:18:04,209 INFO L275 PluginConnector]: Witness Printer initialized [2021-07-06 18:18:04,209 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.07 06:17:52" (3/4) ... [2021-07-06 18:18:04,211 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-07-06 18:18:04,211 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-07-06 18:18:04,211 INFO L168 Benchmark]: Toolchain (without parser) took 12789.70 ms. Allocated memory was 54.5 MB in the beginning and 226.5 MB in the end (delta: 172.0 MB). Free memory was 31.8 MB in the beginning and 194.1 MB in the end (delta: -162.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 16.1 GB. [2021-07-06 18:18:04,211 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 54.5 MB. Free memory was 35.5 MB in the beginning and 35.4 MB in the end (delta: 63.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-07-06 18:18:04,212 INFO L168 Benchmark]: CACSL2BoogieTranslator took 169.92 ms. Allocated memory was 54.5 MB in the beginning and 73.4 MB in the end (delta: 18.9 MB). Free memory was 31.6 MB in the beginning and 57.0 MB in the end (delta: -25.4 MB). Peak memory consumption was 7.6 MB. Max. memory is 16.1 GB. [2021-07-06 18:18:04,212 INFO L168 Benchmark]: Boogie Procedure Inliner took 32.11 ms. Allocated memory is still 73.4 MB. Free memory was 57.0 MB in the beginning and 55.3 MB in the end (delta: 1.8 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-07-06 18:18:04,212 INFO L168 Benchmark]: Boogie Preprocessor took 31.39 ms. Allocated memory is still 73.4 MB. Free memory was 55.3 MB in the beginning and 54.0 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-07-06 18:18:04,212 INFO L168 Benchmark]: RCFGBuilder took 343.05 ms. Allocated memory is still 73.4 MB. Free memory was 53.7 MB in the beginning and 37.9 MB in the end (delta: 15.8 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-07-06 18:18:04,212 INFO L168 Benchmark]: BuchiAutomizer took 12205.93 ms. Allocated memory was 73.4 MB in the beginning and 226.5 MB in the end (delta: 153.1 MB). Free memory was 37.6 MB in the beginning and 194.1 MB in the end (delta: -156.5 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-07-06 18:18:04,212 INFO L168 Benchmark]: Witness Printer took 2.43 ms. Allocated memory is still 226.5 MB. Free memory is still 194.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-07-06 18:18:04,213 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 54.5 MB. Free memory was 35.5 MB in the beginning and 35.4 MB in the end (delta: 63.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 169.92 ms. Allocated memory was 54.5 MB in the beginning and 73.4 MB in the end (delta: 18.9 MB). Free memory was 31.6 MB in the beginning and 57.0 MB in the end (delta: -25.4 MB). Peak memory consumption was 7.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 32.11 ms. Allocated memory is still 73.4 MB. Free memory was 57.0 MB in the beginning and 55.3 MB in the end (delta: 1.8 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 31.39 ms. Allocated memory is still 73.4 MB. Free memory was 55.3 MB in the beginning and 54.0 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 343.05 ms. Allocated memory is still 73.4 MB. Free memory was 53.7 MB in the beginning and 37.9 MB in the end (delta: 15.8 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 12205.93 ms. Allocated memory was 73.4 MB in the beginning and 226.5 MB in the end (delta: 153.1 MB). Free memory was 37.6 MB in the beginning and 194.1 MB in the end (delta: -156.5 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 2.43 ms. Allocated memory is still 226.5 MB. Free memory is still 194.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 6 terminating modules (3 trivial, 2 deterministic, 1 nondeterministic). One deterministic module has affine ranking function -1 * sc1 + unknown-#length-unknown[build_nondet_String()] and consists of 3 locations. One deterministic module has affine ranking function -1 * s + unknown-#length-unknown[malloc(length * sizeof(char))] and consists of 5 locations. One nondeterministic module has affine ranking function -1 * s + unknown-#length-unknown[malloc(length * sizeof(char))] and consists of 5 locations. 3 modules have a trivial ranking function, the largest among these consists of 9 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 12.1s and 7 iterations. TraceHistogramMax:2. Analysis of lassos took 10.8s. Construction of modules took 0.1s. Büchi inclusion checks took 1.0s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 3. Automata minimization 18.0ms AutomataMinimizationTime, 5 MinimizatonAttempts, 26 StatesRemovedByMinimization, 3 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 31 states and ocurred in iteration 5. Nontrivial modules had stage [2, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 133 SDtfs, 151 SDslu, 171 SDs, 0 SdLazy, 250 SolverSat, 52 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 158.7ms Time LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc2 concLT0 SILN0 SILU0 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital336 mio100 ax100 hnf99 lsp131 ukn62 mio100 lsp45 div104 bol100 ite100 ukn100 eq186 hnf86 smp84 dnf1079 smp50 tf100 neg96 sie110 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 307ms VariablesStem: 10 VariablesLoop: 4 DisjunctsStem: 8 DisjunctsLoop: 6 SupportingInvariants: 12 MotzkinApplications: 180 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-07-06 18:18:04,232 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Ended with exit code 0 [2021-07-06 18:18:04,446 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request...