./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.5.1.ufo.BOUNDED-10.pals.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 906a4fb5 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.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/seq-mthreaded/pals_lcr-var-start-time.5.1.ufo.BOUNDED-10.pals.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash dee06bf11cb7027aadf78e9077170827c13b10aa ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-906a4fb [2020-10-19 20:16:05,599 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-19 20:16:05,601 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-19 20:16:05,626 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-19 20:16:05,626 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-19 20:16:05,628 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-19 20:16:05,629 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-19 20:16:05,631 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-19 20:16:05,633 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-19 20:16:05,634 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-19 20:16:05,635 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-19 20:16:05,637 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-19 20:16:05,637 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-19 20:16:05,638 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-19 20:16:05,640 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-19 20:16:05,641 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-19 20:16:05,642 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-19 20:16:05,643 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-19 20:16:05,645 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-19 20:16:05,647 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-19 20:16:05,648 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-19 20:16:05,650 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-19 20:16:05,651 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-19 20:16:05,652 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-19 20:16:05,655 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-19 20:16:05,655 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-19 20:16:05,655 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-19 20:16:05,656 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-19 20:16:05,657 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-19 20:16:05,658 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-19 20:16:05,659 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-19 20:16:05,659 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-19 20:16:05,660 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-19 20:16:05,661 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-19 20:16:05,662 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-19 20:16:05,663 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-19 20:16:05,663 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-19 20:16:05,664 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-19 20:16:05,664 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-19 20:16:05,665 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-19 20:16:05,666 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-19 20:16:05,667 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-10-19 20:16:05,694 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-19 20:16:05,694 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-19 20:16:05,696 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-19 20:16:05,696 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-19 20:16:05,696 INFO L138 SettingsManager]: * Use SBE=true [2020-10-19 20:16:05,697 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-10-19 20:16:05,697 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-10-19 20:16:05,697 INFO L138 SettingsManager]: * Use old map elimination=false [2020-10-19 20:16:05,697 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-10-19 20:16:05,698 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-10-19 20:16:05,698 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-10-19 20:16:05,698 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-19 20:16:05,698 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-19 20:16:05,699 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-19 20:16:05,699 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-19 20:16:05,699 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-19 20:16:05,700 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-19 20:16:05,700 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-10-19 20:16:05,700 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-10-19 20:16:05,700 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-10-19 20:16:05,701 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-19 20:16:05,701 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-19 20:16:05,701 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-10-19 20:16:05,701 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-19 20:16:05,702 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-10-19 20:16:05,702 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-19 20:16:05,702 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-19 20:16:05,703 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-10-19 20:16:05,703 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-19 20:16:05,703 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-19 20:16:05,703 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-19 20:16:05,704 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-10-19 20:16:05,705 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-10-19 20:16:05,705 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR 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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dee06bf11cb7027aadf78e9077170827c13b10aa [2020-10-19 20:16:06,078 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-19 20:16:06,095 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-19 20:16:06,099 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-19 20:16:06,104 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-19 20:16:06,105 INFO L275 PluginConnector]: CDTParser initialized [2020-10-19 20:16:06,107 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.5.1.ufo.BOUNDED-10.pals.c [2020-10-19 20:16:06,175 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b59288abd/15a660c7af1a4bbfaac50ad00fe9ba60/FLAG9d6a01f1f [2020-10-19 20:16:06,669 INFO L306 CDTParser]: Found 1 translation units. [2020-10-19 20:16:06,670 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.5.1.ufo.BOUNDED-10.pals.c [2020-10-19 20:16:06,682 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b59288abd/15a660c7af1a4bbfaac50ad00fe9ba60/FLAG9d6a01f1f [2020-10-19 20:16:06,991 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b59288abd/15a660c7af1a4bbfaac50ad00fe9ba60 [2020-10-19 20:16:06,995 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-19 20:16:07,002 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-19 20:16:07,003 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-19 20:16:07,004 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-19 20:16:07,007 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-19 20:16:07,008 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 08:16:06" (1/1) ... [2020-10-19 20:16:07,012 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7149af9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 08:16:07, skipping insertion in model container [2020-10-19 20:16:07,012 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 08:16:06" (1/1) ... [2020-10-19 20:16:07,020 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-19 20:16:07,079 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-19 20:16:07,561 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 20:16:07,577 INFO L203 MainTranslator]: Completed pre-run [2020-10-19 20:16:07,670 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 20:16:07,692 INFO L208 MainTranslator]: Completed translation [2020-10-19 20:16:07,693 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 08:16:07 WrapperNode [2020-10-19 20:16:07,693 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-19 20:16:07,694 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-19 20:16:07,694 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-19 20:16:07,695 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-19 20:16:07,703 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 08:16:07" (1/1) ... [2020-10-19 20:16:07,716 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 08:16:07" (1/1) ... [2020-10-19 20:16:07,764 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-19 20:16:07,765 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-19 20:16:07,765 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-19 20:16:07,765 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-19 20:16:07,774 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 08:16:07" (1/1) ... [2020-10-19 20:16:07,774 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 08:16:07" (1/1) ... [2020-10-19 20:16:07,778 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 08:16:07" (1/1) ... [2020-10-19 20:16:07,781 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 08:16:07" (1/1) ... [2020-10-19 20:16:07,791 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 08:16:07" (1/1) ... [2020-10-19 20:16:07,815 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 08:16:07" (1/1) ... [2020-10-19 20:16:07,820 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 08:16:07" (1/1) ... [2020-10-19 20:16:07,827 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-19 20:16:07,828 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-19 20:16:07,828 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-19 20:16:07,829 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-19 20:16:07,829 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 08:16:07" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:16:07,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-19 20:16:07,895 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-19 20:16:07,895 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-19 20:16:07,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-19 20:16:08,597 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-19 20:16:08,598 INFO L298 CfgBuilder]: Removed 25 assume(true) statements. [2020-10-19 20:16:08,600 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 08:16:08 BoogieIcfgContainer [2020-10-19 20:16:08,600 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-19 20:16:08,601 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-10-19 20:16:08,601 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-10-19 20:16:08,605 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-10-19 20:16:08,607 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-19 20:16:08,607 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.10 08:16:06" (1/3) ... [2020-10-19 20:16:08,608 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2b6fe03d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.10 08:16:08, skipping insertion in model container [2020-10-19 20:16:08,608 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-19 20:16:08,609 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 08:16:07" (2/3) ... [2020-10-19 20:16:08,609 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2b6fe03d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.10 08:16:08, skipping insertion in model container [2020-10-19 20:16:08,609 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-19 20:16:08,610 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 08:16:08" (3/3) ... [2020-10-19 20:16:08,611 INFO L373 chiAutomizerObserver]: Analyzing ICFG pals_lcr-var-start-time.5.1.ufo.BOUNDED-10.pals.c [2020-10-19 20:16:08,663 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-10-19 20:16:08,664 INFO L360 BuchiCegarLoop]: Hoare is false [2020-10-19 20:16:08,664 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-10-19 20:16:08,664 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-19 20:16:08,664 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-19 20:16:08,665 INFO L364 BuchiCegarLoop]: Difference is false [2020-10-19 20:16:08,665 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-19 20:16:08,665 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-10-19 20:16:08,689 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 122 states. [2020-10-19 20:16:08,726 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 80 [2020-10-19 20:16:08,727 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-19 20:16:08,727 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-19 20:16:08,739 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2020-10-19 20:16:08,740 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 20:16:08,740 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-10-19 20:16:08,740 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 122 states. [2020-10-19 20:16:08,748 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 80 [2020-10-19 20:16:08,748 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-19 20:16:08,749 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-19 20:16:08,750 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2020-10-19 20:16:08,751 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 20:16:08,762 INFO L794 eck$LassoCheckResult]: Stem: 88#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(50);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~nomsg~0 := -1;~r1~0 := 0;~p1~0 := 0;~p1_old~0 := 0;~p1_new~0 := 0;~id1~0 := 0;~st1~0 := 0;~send1~0 := 0;~mode1~0 := 0;~alive1~0 := 0;~p2~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~send2~0 := 0;~mode2~0 := 0;~alive2~0 := 0;~p3~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~send3~0 := 0;~mode3~0 := 0;~alive3~0 := 0;~p4~0 := 0;~p4_old~0 := 0;~p4_new~0 := 0;~id4~0 := 0;~st4~0 := 0;~send4~0 := 0;~mode4~0 := 0;~alive4~0 := 0;~p5~0 := 0;~p5_old~0 := 0;~p5_new~0 := 0;~id5~0 := 0;~st5~0 := 0;~send5~0 := 0;~mode5~0 := 0;~alive5~0 := 0;~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[0 := #funAddr~node1.base], ~nodes~0.offset[0 := #funAddr~node1.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[1 := #funAddr~node2.base], ~nodes~0.offset[1 := #funAddr~node2.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[2 := #funAddr~node3.base], ~nodes~0.offset[2 := #funAddr~node3.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[3 := #funAddr~node4.base], ~nodes~0.offset[3 := #funAddr~node4.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[4 := #funAddr~node5.base], ~nodes~0.offset[4 := #funAddr~node5.offset]; 6#L-1true havoc main_#res;havoc main_#t~nondet17, main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~nondet21, main_#t~nondet22, main_#t~nondet23, main_#t~nondet24, main_#t~nondet25, main_#t~nondet26, main_#t~nondet27, main_#t~nondet28, main_#t~nondet29, main_#t~nondet30, main_#t~nondet31, main_#t~nondet32, main_#t~nondet33, main_#t~nondet34, main_#t~nondet35, main_#t~nondet36, main_#t~nondet37, main_#t~nondet38, main_#t~nondet39, main_#t~nondet40, main_#t~nondet41, main_#t~nondet42, main_#t~ret43, main_#t~ret44, main_#t~post45, main_~c1~0, main_~i2~0;havoc main_~c1~0;havoc main_~i2~0;main_~c1~0 := 0;~r1~0 := main_#t~nondet17;havoc main_#t~nondet17;~id1~0 := main_#t~nondet18;havoc main_#t~nondet18;~st1~0 := main_#t~nondet19;havoc main_#t~nondet19;~send1~0 := main_#t~nondet20;havoc main_#t~nondet20;~mode1~0 := main_#t~nondet21;havoc main_#t~nondet21;~alive1~0 := main_#t~nondet22;havoc main_#t~nondet22;~id2~0 := main_#t~nondet23;havoc main_#t~nondet23;~st2~0 := main_#t~nondet24;havoc main_#t~nondet24;~send2~0 := main_#t~nondet25;havoc main_#t~nondet25;~mode2~0 := main_#t~nondet26;havoc main_#t~nondet26;~alive2~0 := main_#t~nondet27;havoc main_#t~nondet27;~id3~0 := main_#t~nondet28;havoc main_#t~nondet28;~st3~0 := main_#t~nondet29;havoc main_#t~nondet29;~send3~0 := main_#t~nondet30;havoc main_#t~nondet30;~mode3~0 := main_#t~nondet31;havoc main_#t~nondet31;~alive3~0 := main_#t~nondet32;havoc main_#t~nondet32;~id4~0 := main_#t~nondet33;havoc main_#t~nondet33;~st4~0 := main_#t~nondet34;havoc main_#t~nondet34;~send4~0 := main_#t~nondet35;havoc main_#t~nondet35;~mode4~0 := main_#t~nondet36;havoc main_#t~nondet36;~alive4~0 := main_#t~nondet37;havoc main_#t~nondet37;~id5~0 := main_#t~nondet38;havoc main_#t~nondet38;~st5~0 := main_#t~nondet39;havoc main_#t~nondet39;~send5~0 := main_#t~nondet40;havoc main_#t~nondet40;~mode5~0 := main_#t~nondet41;havoc main_#t~nondet41;~alive5~0 := main_#t~nondet42;havoc main_#t~nondet42;havoc init_#res;havoc init_~tmp~0;havoc init_~tmp~0; 85#L297true assume !(0 == ~r1~0);init_~tmp~0 := 0; 84#L297-1true init_#res := init_~tmp~0; 113#L426true main_#t~ret43 := init_#res;main_~i2~0 := main_#t~ret43;havoc main_#t~ret43;assume_abort_if_not_#in~cond := main_~i2~0;havoc assume_abort_if_not_~cond;assume_abort_if_not_~cond := assume_abort_if_not_#in~cond; 56#L69true assume !(0 == assume_abort_if_not_~cond); 124#L68true ~p1_old~0 := ~nomsg~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~nomsg~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~nomsg~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~nomsg~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~nomsg~0;~p5_new~0 := ~nomsg~0;main_~i2~0 := 0; 94#L495-2true [2020-10-19 20:16:08,764 INFO L796 eck$LassoCheckResult]: Loop: 94#L495-2true assume !!(main_~i2~0 < 10);havoc node1_#t~ite7, node1_#t~ite8, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 109#L123true assume 0 != ~mode1~0 % 256;~r1~0 := (if (1 + ~r1~0) % 256 <= 127 then (1 + ~r1~0) % 256 else (1 + ~r1~0) % 256 - 256);node1_~m1~0 := ~p5_old~0;~p5_old~0 := ~nomsg~0; 63#L127true assume !(node1_~m1~0 != ~nomsg~0); 44#L127-1true ~mode1~0 := 0; 123#L123-2true havoc node2_#t~ite9, node2_#t~ite10, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 66#L160true assume 0 != ~mode2~0 % 256;node2_~m2~0 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 53#L163true assume !(node2_~m2~0 != ~nomsg~0); 51#L163-1true ~mode2~0 := 0; 46#L160-2true havoc node3_#t~ite11, node3_#t~ite12, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 22#L194true assume 0 != ~mode3~0 % 256;node3_~m3~0 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 3#L197true assume !(node3_~m3~0 != ~nomsg~0); 12#L197-1true ~mode3~0 := 0; 20#L194-2true havoc node4_#t~ite13, node4_#t~ite14, node4_~m4~0;havoc node4_~m4~0;node4_~m4~0 := ~nomsg~0; 105#L228true assume 0 != ~mode4~0 % 256;node4_~m4~0 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 83#L231true assume !(node4_~m4~0 != ~nomsg~0); 80#L231-1true ~mode4~0 := 0; 103#L228-2true havoc node5_#t~ite15, node5_#t~ite16, node5_~m5~0;havoc node5_~m5~0;node5_~m5~0 := ~nomsg~0; 42#L262true assume 0 != ~mode5~0 % 256;node5_~m5~0 := ~p4_old~0;~p4_old~0 := ~nomsg~0; 36#L265true assume !(node5_~m5~0 != ~nomsg~0); 35#L265-1true ~mode5~0 := 0; 54#L262-2true ~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~p5_new~0;~p5_new~0 := ~nomsg~0;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 118#L434true assume !(~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 <= 1);check_~tmp~1 := 0; 120#L434-1true check_#res := check_~tmp~1; 65#L446true main_#t~ret44 := check_#res;main_~c1~0 := main_#t~ret44;havoc main_#t~ret44;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 110#L525true assume !(0 == assert_~arg % 256); 90#L520true main_#t~post45 := main_~i2~0;main_~i2~0 := 1 + main_#t~post45;havoc main_#t~post45; 94#L495-2true [2020-10-19 20:16:08,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 20:16:08,772 INFO L82 PathProgramCache]: Analyzing trace with hash 1984313218, now seen corresponding path program 1 times [2020-10-19 20:16:08,783 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 20:16:08,784 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1855909703] [2020-10-19 20:16:08,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 20:16:08,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 20:16:09,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 20:16:09,035 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1855909703] [2020-10-19 20:16:09,036 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 20:16:09,036 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-19 20:16:09,037 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [275342790] [2020-10-19 20:16:09,042 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-10-19 20:16:09,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 20:16:09,043 INFO L82 PathProgramCache]: Analyzing trace with hash 738213454, now seen corresponding path program 1 times [2020-10-19 20:16:09,043 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 20:16:09,044 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1760440550] [2020-10-19 20:16:09,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 20:16:09,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 20:16:09,221 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 20:16:09,222 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1760440550] [2020-10-19 20:16:09,222 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 20:16:09,222 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-19 20:16:09,223 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1185718260] [2020-10-19 20:16:09,224 INFO L811 eck$LassoCheckResult]: loop already infeasible [2020-10-19 20:16:09,226 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 20:16:09,242 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-19 20:16:09,243 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-19 20:16:09,244 INFO L87 Difference]: Start difference. First operand 122 states. Second operand 5 states. [2020-10-19 20:16:09,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 20:16:09,374 INFO L93 Difference]: Finished difference Result 124 states and 203 transitions. [2020-10-19 20:16:09,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-19 20:16:09,377 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 124 states and 203 transitions. [2020-10-19 20:16:09,382 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 78 [2020-10-19 20:16:09,388 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 124 states to 116 states and 164 transitions. [2020-10-19 20:16:09,389 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 116 [2020-10-19 20:16:09,390 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 116 [2020-10-19 20:16:09,391 INFO L73 IsDeterministic]: Start isDeterministic. Operand 116 states and 164 transitions. [2020-10-19 20:16:09,392 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-19 20:16:09,392 INFO L691 BuchiCegarLoop]: Abstraction has 116 states and 164 transitions. [2020-10-19 20:16:09,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states and 164 transitions. [2020-10-19 20:16:09,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2020-10-19 20:16:09,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2020-10-19 20:16:09,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 164 transitions. [2020-10-19 20:16:09,426 INFO L714 BuchiCegarLoop]: Abstraction has 116 states and 164 transitions. [2020-10-19 20:16:09,426 INFO L594 BuchiCegarLoop]: Abstraction has 116 states and 164 transitions. [2020-10-19 20:16:09,426 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-10-19 20:16:09,426 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 116 states and 164 transitions. [2020-10-19 20:16:09,429 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 78 [2020-10-19 20:16:09,429 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-19 20:16:09,429 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-19 20:16:09,431 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 20:16:09,431 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 20:16:09,432 INFO L794 eck$LassoCheckResult]: Stem: 369#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(50);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~nomsg~0 := -1;~r1~0 := 0;~p1~0 := 0;~p1_old~0 := 0;~p1_new~0 := 0;~id1~0 := 0;~st1~0 := 0;~send1~0 := 0;~mode1~0 := 0;~alive1~0 := 0;~p2~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~send2~0 := 0;~mode2~0 := 0;~alive2~0 := 0;~p3~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~send3~0 := 0;~mode3~0 := 0;~alive3~0 := 0;~p4~0 := 0;~p4_old~0 := 0;~p4_new~0 := 0;~id4~0 := 0;~st4~0 := 0;~send4~0 := 0;~mode4~0 := 0;~alive4~0 := 0;~p5~0 := 0;~p5_old~0 := 0;~p5_new~0 := 0;~id5~0 := 0;~st5~0 := 0;~send5~0 := 0;~mode5~0 := 0;~alive5~0 := 0;~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[0 := #funAddr~node1.base], ~nodes~0.offset[0 := #funAddr~node1.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[1 := #funAddr~node2.base], ~nodes~0.offset[1 := #funAddr~node2.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[2 := #funAddr~node3.base], ~nodes~0.offset[2 := #funAddr~node3.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[3 := #funAddr~node4.base], ~nodes~0.offset[3 := #funAddr~node4.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[4 := #funAddr~node5.base], ~nodes~0.offset[4 := #funAddr~node5.offset]; 271#L-1 havoc main_#res;havoc main_#t~nondet17, main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~nondet21, main_#t~nondet22, main_#t~nondet23, main_#t~nondet24, main_#t~nondet25, main_#t~nondet26, main_#t~nondet27, main_#t~nondet28, main_#t~nondet29, main_#t~nondet30, main_#t~nondet31, main_#t~nondet32, main_#t~nondet33, main_#t~nondet34, main_#t~nondet35, main_#t~nondet36, main_#t~nondet37, main_#t~nondet38, main_#t~nondet39, main_#t~nondet40, main_#t~nondet41, main_#t~nondet42, main_#t~ret43, main_#t~ret44, main_#t~post45, main_~c1~0, main_~i2~0;havoc main_~c1~0;havoc main_~i2~0;main_~c1~0 := 0;~r1~0 := main_#t~nondet17;havoc main_#t~nondet17;~id1~0 := main_#t~nondet18;havoc main_#t~nondet18;~st1~0 := main_#t~nondet19;havoc main_#t~nondet19;~send1~0 := main_#t~nondet20;havoc main_#t~nondet20;~mode1~0 := main_#t~nondet21;havoc main_#t~nondet21;~alive1~0 := main_#t~nondet22;havoc main_#t~nondet22;~id2~0 := main_#t~nondet23;havoc main_#t~nondet23;~st2~0 := main_#t~nondet24;havoc main_#t~nondet24;~send2~0 := main_#t~nondet25;havoc main_#t~nondet25;~mode2~0 := main_#t~nondet26;havoc main_#t~nondet26;~alive2~0 := main_#t~nondet27;havoc main_#t~nondet27;~id3~0 := main_#t~nondet28;havoc main_#t~nondet28;~st3~0 := main_#t~nondet29;havoc main_#t~nondet29;~send3~0 := main_#t~nondet30;havoc main_#t~nondet30;~mode3~0 := main_#t~nondet31;havoc main_#t~nondet31;~alive3~0 := main_#t~nondet32;havoc main_#t~nondet32;~id4~0 := main_#t~nondet33;havoc main_#t~nondet33;~st4~0 := main_#t~nondet34;havoc main_#t~nondet34;~send4~0 := main_#t~nondet35;havoc main_#t~nondet35;~mode4~0 := main_#t~nondet36;havoc main_#t~nondet36;~alive4~0 := main_#t~nondet37;havoc main_#t~nondet37;~id5~0 := main_#t~nondet38;havoc main_#t~nondet38;~st5~0 := main_#t~nondet39;havoc main_#t~nondet39;~send5~0 := main_#t~nondet40;havoc main_#t~nondet40;~mode5~0 := main_#t~nondet41;havoc main_#t~nondet41;~alive5~0 := main_#t~nondet42;havoc main_#t~nondet42;havoc init_#res;havoc init_~tmp~0;havoc init_~tmp~0; 272#L297 assume 0 == ~r1~0; 336#L298 assume ~alive1~0 % 256 + ~alive2~0 % 256 + ~alive3~0 % 256 + ~alive4~0 % 256 + ~alive5~0 % 256 >= 1; 280#L299 assume ~id1~0 >= 0; 281#L300 assume 0 == ~st1~0; 330#L301 assume ~send1~0 == ~id1~0; 331#L302 assume 0 == ~mode1~0 % 256; 343#L303 assume ~id2~0 >= 0; 310#L304 assume 0 == ~st2~0; 311#L305 assume ~send2~0 == ~id2~0; 340#L306 assume 0 == ~mode2~0 % 256; 278#L307 assume ~id3~0 >= 0; 279#L308 assume 0 == ~st3~0; 334#L309 assume ~send3~0 == ~id3~0; 269#L310 assume 0 == ~mode3~0 % 256; 270#L311 assume ~id4~0 >= 0; 317#L312 assume 0 == ~st4~0; 318#L313 assume ~send4~0 == ~id4~0; 364#L314 assume 0 == ~mode4~0 % 256; 307#L315 assume ~id5~0 >= 0; 308#L316 assume 0 == ~st5~0; 339#L317 assume ~send5~0 == ~id5~0; 276#L318 assume 0 == ~mode5~0 % 256; 277#L319 assume ~id1~0 != ~id2~0; 333#L320 assume ~id1~0 != ~id3~0; 267#L321 assume ~id1~0 != ~id4~0; 268#L322 assume ~id1~0 != ~id5~0; 313#L323 assume ~id2~0 != ~id3~0; 314#L324 assume ~id2~0 != ~id4~0; 362#L325 assume ~id2~0 != ~id5~0; 305#L326 assume ~id3~0 != ~id4~0; 306#L327 assume ~id3~0 != ~id5~0; 337#L328 assume ~id4~0 != ~id5~0;init_~tmp~0 := 1; 338#L297-1 init_#res := init_~tmp~0; 367#L426 main_#t~ret43 := init_#res;main_~i2~0 := main_#t~ret43;havoc main_#t~ret43;assume_abort_if_not_#in~cond := main_~i2~0;havoc assume_abort_if_not_~cond;assume_abort_if_not_~cond := assume_abort_if_not_#in~cond; 344#L69 assume !(0 == assume_abort_if_not_~cond); 345#L68 ~p1_old~0 := ~nomsg~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~nomsg~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~nomsg~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~nomsg~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~nomsg~0;~p5_new~0 := ~nomsg~0;main_~i2~0 := 0; 371#L495-2 [2020-10-19 20:16:09,432 INFO L796 eck$LassoCheckResult]: Loop: 371#L495-2 assume !!(main_~i2~0 < 10);havoc node1_#t~ite7, node1_#t~ite8, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 374#L123 assume 0 != ~mode1~0 % 256;~r1~0 := (if (1 + ~r1~0) % 256 <= 127 then (1 + ~r1~0) % 256 else (1 + ~r1~0) % 256 - 256);node1_~m1~0 := ~p5_old~0;~p5_old~0 := ~nomsg~0; 353#L127 assume !(node1_~m1~0 != ~nomsg~0); 299#L127-1 ~mode1~0 := 0; 335#L123-2 havoc node2_#t~ite9, node2_#t~ite10, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 358#L160 assume 0 != ~mode2~0 % 256;node2_~m2~0 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 341#L163 assume !(node2_~m2~0 != ~nomsg~0); 283#L163-1 ~mode2~0 := 0; 292#L160-2 havoc node3_#t~ite11, node3_#t~ite12, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 303#L194 assume 0 != ~mode3~0 % 256;node3_~m3~0 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 264#L197 assume !(node3_~m3~0 != ~nomsg~0); 265#L197-1 ~mode3~0 := 0; 285#L194-2 havoc node4_#t~ite13, node4_#t~ite14, node4_~m4~0;havoc node4_~m4~0;node4_~m4~0 := ~nomsg~0; 301#L228 assume 0 != ~mode4~0 % 256;node4_~m4~0 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 366#L231 assume !(node4_~m4~0 != ~nomsg~0); 324#L231-1 ~mode4~0 := 0; 359#L228-2 havoc node5_#t~ite15, node5_#t~ite16, node5_~m5~0;havoc node5_~m5~0;node5_~m5~0 := ~nomsg~0; 332#L262 assume 0 != ~mode5~0 % 256;node5_~m5~0 := ~p4_old~0;~p4_old~0 := ~nomsg~0; 326#L265 assume !(node5_~m5~0 != ~nomsg~0); 274#L265-1 ~mode5~0 := 0; 309#L262-2 ~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~p5_new~0;~p5_new~0 := ~nomsg~0;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 342#L434 assume !(~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 <= 1);check_~tmp~1 := 0; 350#L434-1 check_#res := check_~tmp~1; 354#L446 main_#t~ret44 := check_#res;main_~c1~0 := main_#t~ret44;havoc main_#t~ret44;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 355#L525 assume !(0 == assert_~arg % 256); 370#L520 main_#t~post45 := main_~i2~0;main_~i2~0 := 1 + main_#t~post45;havoc main_#t~post45; 371#L495-2 [2020-10-19 20:16:09,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 20:16:09,433 INFO L82 PathProgramCache]: Analyzing trace with hash -1707437673, now seen corresponding path program 1 times [2020-10-19 20:16:09,433 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 20:16:09,433 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [344563459] [2020-10-19 20:16:09,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 20:16:09,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 20:16:09,489 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 20:16:09,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 20:16:09,533 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 20:16:09,597 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 20:16:09,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 20:16:09,598 INFO L82 PathProgramCache]: Analyzing trace with hash 738213454, now seen corresponding path program 2 times [2020-10-19 20:16:09,598 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 20:16:09,598 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2061493741] [2020-10-19 20:16:09,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 20:16:09,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 20:16:09,686 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 20:16:09,687 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2061493741] [2020-10-19 20:16:09,687 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 20:16:09,688 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-19 20:16:09,688 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [873139861] [2020-10-19 20:16:09,688 INFO L811 eck$LassoCheckResult]: loop already infeasible [2020-10-19 20:16:09,689 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 20:16:09,689 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-19 20:16:09,690 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-19 20:16:09,690 INFO L87 Difference]: Start difference. First operand 116 states and 164 transitions. cyclomatic complexity: 49 Second operand 5 states. [2020-10-19 20:16:09,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 20:16:09,747 INFO L93 Difference]: Finished difference Result 119 states and 166 transitions. [2020-10-19 20:16:09,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-19 20:16:09,749 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 119 states and 166 transitions. [2020-10-19 20:16:09,756 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 78 [2020-10-19 20:16:09,761 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 119 states to 116 states and 162 transitions. [2020-10-19 20:16:09,762 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 116 [2020-10-19 20:16:09,762 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 116 [2020-10-19 20:16:09,763 INFO L73 IsDeterministic]: Start isDeterministic. Operand 116 states and 162 transitions. [2020-10-19 20:16:09,764 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-19 20:16:09,764 INFO L691 BuchiCegarLoop]: Abstraction has 116 states and 162 transitions. [2020-10-19 20:16:09,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states and 162 transitions. [2020-10-19 20:16:09,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2020-10-19 20:16:09,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2020-10-19 20:16:09,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 162 transitions. [2020-10-19 20:16:09,781 INFO L714 BuchiCegarLoop]: Abstraction has 116 states and 162 transitions. [2020-10-19 20:16:09,782 INFO L594 BuchiCegarLoop]: Abstraction has 116 states and 162 transitions. [2020-10-19 20:16:09,782 INFO L427 BuchiCegarLoop]: ======== Iteration 3============ [2020-10-19 20:16:09,782 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 116 states and 162 transitions. [2020-10-19 20:16:09,784 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 78 [2020-10-19 20:16:09,786 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-19 20:16:09,786 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-19 20:16:09,788 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 20:16:09,788 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 20:16:09,791 INFO L794 eck$LassoCheckResult]: Stem: 616#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(50);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~nomsg~0 := -1;~r1~0 := 0;~p1~0 := 0;~p1_old~0 := 0;~p1_new~0 := 0;~id1~0 := 0;~st1~0 := 0;~send1~0 := 0;~mode1~0 := 0;~alive1~0 := 0;~p2~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~send2~0 := 0;~mode2~0 := 0;~alive2~0 := 0;~p3~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~send3~0 := 0;~mode3~0 := 0;~alive3~0 := 0;~p4~0 := 0;~p4_old~0 := 0;~p4_new~0 := 0;~id4~0 := 0;~st4~0 := 0;~send4~0 := 0;~mode4~0 := 0;~alive4~0 := 0;~p5~0 := 0;~p5_old~0 := 0;~p5_new~0 := 0;~id5~0 := 0;~st5~0 := 0;~send5~0 := 0;~mode5~0 := 0;~alive5~0 := 0;~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[0 := #funAddr~node1.base], ~nodes~0.offset[0 := #funAddr~node1.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[1 := #funAddr~node2.base], ~nodes~0.offset[1 := #funAddr~node2.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[2 := #funAddr~node3.base], ~nodes~0.offset[2 := #funAddr~node3.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[3 := #funAddr~node4.base], ~nodes~0.offset[3 := #funAddr~node4.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[4 := #funAddr~node5.base], ~nodes~0.offset[4 := #funAddr~node5.offset]; 518#L-1 havoc main_#res;havoc main_#t~nondet17, main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~nondet21, main_#t~nondet22, main_#t~nondet23, main_#t~nondet24, main_#t~nondet25, main_#t~nondet26, main_#t~nondet27, main_#t~nondet28, main_#t~nondet29, main_#t~nondet30, main_#t~nondet31, main_#t~nondet32, main_#t~nondet33, main_#t~nondet34, main_#t~nondet35, main_#t~nondet36, main_#t~nondet37, main_#t~nondet38, main_#t~nondet39, main_#t~nondet40, main_#t~nondet41, main_#t~nondet42, main_#t~ret43, main_#t~ret44, main_#t~post45, main_~c1~0, main_~i2~0;havoc main_~c1~0;havoc main_~i2~0;main_~c1~0 := 0;~r1~0 := main_#t~nondet17;havoc main_#t~nondet17;~id1~0 := main_#t~nondet18;havoc main_#t~nondet18;~st1~0 := main_#t~nondet19;havoc main_#t~nondet19;~send1~0 := main_#t~nondet20;havoc main_#t~nondet20;~mode1~0 := main_#t~nondet21;havoc main_#t~nondet21;~alive1~0 := main_#t~nondet22;havoc main_#t~nondet22;~id2~0 := main_#t~nondet23;havoc main_#t~nondet23;~st2~0 := main_#t~nondet24;havoc main_#t~nondet24;~send2~0 := main_#t~nondet25;havoc main_#t~nondet25;~mode2~0 := main_#t~nondet26;havoc main_#t~nondet26;~alive2~0 := main_#t~nondet27;havoc main_#t~nondet27;~id3~0 := main_#t~nondet28;havoc main_#t~nondet28;~st3~0 := main_#t~nondet29;havoc main_#t~nondet29;~send3~0 := main_#t~nondet30;havoc main_#t~nondet30;~mode3~0 := main_#t~nondet31;havoc main_#t~nondet31;~alive3~0 := main_#t~nondet32;havoc main_#t~nondet32;~id4~0 := main_#t~nondet33;havoc main_#t~nondet33;~st4~0 := main_#t~nondet34;havoc main_#t~nondet34;~send4~0 := main_#t~nondet35;havoc main_#t~nondet35;~mode4~0 := main_#t~nondet36;havoc main_#t~nondet36;~alive4~0 := main_#t~nondet37;havoc main_#t~nondet37;~id5~0 := main_#t~nondet38;havoc main_#t~nondet38;~st5~0 := main_#t~nondet39;havoc main_#t~nondet39;~send5~0 := main_#t~nondet40;havoc main_#t~nondet40;~mode5~0 := main_#t~nondet41;havoc main_#t~nondet41;~alive5~0 := main_#t~nondet42;havoc main_#t~nondet42;havoc init_#res;havoc init_~tmp~0;havoc init_~tmp~0; 519#L297 assume 0 == ~r1~0; 583#L298 assume ~alive1~0 % 256 + ~alive2~0 % 256 + ~alive3~0 % 256 + ~alive4~0 % 256 + ~alive5~0 % 256 >= 1; 527#L299 assume ~id1~0 >= 0; 528#L300 assume 0 == ~st1~0; 577#L301 assume ~send1~0 == ~id1~0; 578#L302 assume 0 == ~mode1~0 % 256; 590#L303 assume ~id2~0 >= 0; 557#L304 assume 0 == ~st2~0; 558#L305 assume ~send2~0 == ~id2~0; 587#L306 assume 0 == ~mode2~0 % 256; 525#L307 assume ~id3~0 >= 0; 526#L308 assume 0 == ~st3~0; 581#L309 assume ~send3~0 == ~id3~0; 516#L310 assume 0 == ~mode3~0 % 256; 517#L311 assume ~id4~0 >= 0; 564#L312 assume 0 == ~st4~0; 565#L313 assume ~send4~0 == ~id4~0; 611#L314 assume 0 == ~mode4~0 % 256; 554#L315 assume ~id5~0 >= 0; 555#L316 assume 0 == ~st5~0; 586#L317 assume ~send5~0 == ~id5~0; 523#L318 assume 0 == ~mode5~0 % 256; 524#L319 assume ~id1~0 != ~id2~0; 580#L320 assume ~id1~0 != ~id3~0; 514#L321 assume ~id1~0 != ~id4~0; 515#L322 assume ~id1~0 != ~id5~0; 560#L323 assume ~id2~0 != ~id3~0; 561#L324 assume ~id2~0 != ~id4~0; 609#L325 assume ~id2~0 != ~id5~0; 552#L326 assume ~id3~0 != ~id4~0; 553#L327 assume ~id3~0 != ~id5~0; 584#L328 assume ~id4~0 != ~id5~0;init_~tmp~0 := 1; 585#L297-1 init_#res := init_~tmp~0; 614#L426 main_#t~ret43 := init_#res;main_~i2~0 := main_#t~ret43;havoc main_#t~ret43;assume_abort_if_not_#in~cond := main_~i2~0;havoc assume_abort_if_not_~cond;assume_abort_if_not_~cond := assume_abort_if_not_#in~cond; 591#L69 assume !(0 == assume_abort_if_not_~cond); 592#L68 ~p1_old~0 := ~nomsg~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~nomsg~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~nomsg~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~nomsg~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~nomsg~0;~p5_new~0 := ~nomsg~0;main_~i2~0 := 0; 618#L495-2 [2020-10-19 20:16:09,791 INFO L796 eck$LassoCheckResult]: Loop: 618#L495-2 assume !!(main_~i2~0 < 10);havoc node1_#t~ite7, node1_#t~ite8, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 621#L123 assume 0 != ~mode1~0 % 256;~r1~0 := (if (1 + ~r1~0) % 256 <= 127 then (1 + ~r1~0) % 256 else (1 + ~r1~0) % 256 - 256);node1_~m1~0 := ~p5_old~0;~p5_old~0 := ~nomsg~0; 600#L127 assume !(node1_~m1~0 != ~nomsg~0); 546#L127-1 ~mode1~0 := 0; 582#L123-2 havoc node2_#t~ite9, node2_#t~ite10, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 604#L160 assume 0 != ~mode2~0 % 256;node2_~m2~0 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 588#L163 assume !(node2_~m2~0 != ~nomsg~0); 530#L163-1 ~mode2~0 := 0; 539#L160-2 havoc node3_#t~ite11, node3_#t~ite12, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 550#L194 assume 0 != ~mode3~0 % 256;node3_~m3~0 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 511#L197 assume !(node3_~m3~0 != ~nomsg~0); 512#L197-1 ~mode3~0 := 0; 532#L194-2 havoc node4_#t~ite13, node4_#t~ite14, node4_~m4~0;havoc node4_~m4~0;node4_~m4~0 := ~nomsg~0; 548#L228 assume 0 != ~mode4~0 % 256;node4_~m4~0 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 613#L231 assume !(node4_~m4~0 != ~nomsg~0); 571#L231-1 ~mode4~0 := 0; 606#L228-2 havoc node5_#t~ite15, node5_#t~ite16, node5_~m5~0;havoc node5_~m5~0;node5_~m5~0 := ~nomsg~0; 579#L262 assume 0 != ~mode5~0 % 256;node5_~m5~0 := ~p4_old~0;~p4_old~0 := ~nomsg~0; 573#L265 assume !(node5_~m5~0 != ~nomsg~0); 521#L265-1 ~mode5~0 := 0; 556#L262-2 ~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~p5_new~0;~p5_new~0 := ~nomsg~0;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 589#L434 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 <= 1; 605#L435 assume ~r1~0 < 5;check_~tmp~1 := 1; 597#L434-1 check_#res := check_~tmp~1; 602#L446 main_#t~ret44 := check_#res;main_~c1~0 := main_#t~ret44;havoc main_#t~ret44;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 603#L525 assume !(0 == assert_~arg % 256); 617#L520 main_#t~post45 := main_~i2~0;main_~i2~0 := 1 + main_#t~post45;havoc main_#t~post45; 618#L495-2 [2020-10-19 20:16:09,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 20:16:09,792 INFO L82 PathProgramCache]: Analyzing trace with hash -1707437673, now seen corresponding path program 2 times [2020-10-19 20:16:09,792 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 20:16:09,792 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [424785305] [2020-10-19 20:16:09,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 20:16:09,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 20:16:09,862 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 20:16:09,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 20:16:09,890 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 20:16:09,909 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 20:16:09,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 20:16:09,910 INFO L82 PathProgramCache]: Analyzing trace with hash 1026451620, now seen corresponding path program 1 times [2020-10-19 20:16:09,911 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 20:16:09,911 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1099654151] [2020-10-19 20:16:09,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 20:16:09,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 20:16:09,926 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 20:16:09,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 20:16:09,946 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 20:16:09,962 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 20:16:09,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 20:16:09,963 INFO L82 PathProgramCache]: Analyzing trace with hash -1906603698, now seen corresponding path program 1 times [2020-10-19 20:16:09,963 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 20:16:09,964 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [302251630] [2020-10-19 20:16:09,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 20:16:10,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 20:16:10,096 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 20:16:10,097 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [302251630] [2020-10-19 20:16:10,097 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 20:16:10,097 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 20:16:10,098 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [660567936] [2020-10-19 20:16:10,615 WARN L193 SmtUtils]: Spent 506.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 137 [2020-10-19 20:16:11,073 WARN L193 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 118 [2020-10-19 20:16:11,094 INFO L210 LassoAnalysis]: Preferences: [2020-10-19 20:16:11,095 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-19 20:16:11,095 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-19 20:16:11,096 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-19 20:16:11,096 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-10-19 20:16:11,096 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:16:11,096 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-19 20:16:11,097 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-19 20:16:11,097 INFO L133 ssoRankerPreferences]: Filename of dumped script: pals_lcr-var-start-time.5.1.ufo.BOUNDED-10.pals.c_Iteration3_Loop [2020-10-19 20:16:11,097 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-19 20:16:11,097 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-19 20:16:11,130 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:16:11,142 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:16:11,146 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:16:11,149 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:16:11,151 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:16:11,154 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:16:11,157 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:16:11,164 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:16:11,168 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:16:11,185 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:16:11,188 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:16:11,194 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:16:11,198 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:16:11,201 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:16:11,232 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:16:11,239 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:16:11,241 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:16:11,245 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:16:11,252 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:16:11,254 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:16:11,260 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:16:11,262 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:16:11,306 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:16:11,315 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:16:11,318 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:16:11,321 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:16:11,324 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:16:11,329 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:16:11,332 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:16:11,334 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:16:11,337 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:16:11,350 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:16:11,353 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:16:11,704 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-10-19 20:16:12,065 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-10-19 20:16:12,141 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-19 20:16:12,143 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-19 20:16:12,173 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-19 20:16:12,174 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-19 20:16:12,228 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-10-19 20:16:12,228 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:16:12,359 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-10-19 20:16:12,363 INFO L210 LassoAnalysis]: Preferences: [2020-10-19 20:16:12,364 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-19 20:16:12,364 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-19 20:16:12,364 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-19 20:16:12,364 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-19 20:16:12,364 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:16:12,364 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-19 20:16:12,364 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-19 20:16:12,365 INFO L133 ssoRankerPreferences]: Filename of dumped script: pals_lcr-var-start-time.5.1.ufo.BOUNDED-10.pals.c_Iteration3_Loop [2020-10-19 20:16:12,365 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-19 20:16:12,365 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-19 20:16:12,369 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:16:12,388 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:16:12,391 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:16:12,395 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:16:12,399 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:16:12,401 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:16:12,406 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:16:12,449 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:16:12,453 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:16:12,458 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:16:12,463 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:16:12,482 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:16:12,490 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:16:12,493 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:16:12,496 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:16:12,500 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:16:12,503 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:16:12,506 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:16:12,513 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:16:12,516 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:16:12,522 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:16:12,528 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:16:12,531 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:16:12,538 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:16:12,541 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:16:12,544 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:16:12,547 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:16:12,553 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:16:12,556 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:16:12,560 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:16:12,562 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:16:12,565 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:16:12,571 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:16:12,753 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-10-19 20:16:13,140 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-10-19 20:16:13,348 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-19 20:16:13,354 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:16:13,360 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 20:16:13,362 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:16:13,362 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 20:16:13,363 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:16:13,363 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:16:13,363 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:16:13,366 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 20:16:13,367 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 20:16:13,370 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:16:13,393 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 20:16:13,394 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:16:13,395 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:16:13,395 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:16:13,395 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:16:13,398 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 20:16:13,398 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 20:16:13,410 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:16:13,441 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 20:16:13,442 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:16:13,443 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 20:16:13,443 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:16:13,443 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:16:13,443 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:16:13,444 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 20:16:13,444 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 20:16:13,445 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:16:13,470 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 20:16:13,472 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:16:13,472 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 20:16:13,472 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:16:13,472 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:16:13,472 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:16:13,473 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 20:16:13,473 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 20:16:13,474 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:16:13,500 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 20:16:13,501 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:16:13,501 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 20:16:13,502 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:16:13,502 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:16:13,502 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:16:13,503 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 20:16:13,503 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 20:16:13,504 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:16:13,529 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 20:16:13,530 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:16:13,530 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 20:16:13,531 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:16:13,531 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:16:13,531 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:16:13,533 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 20:16:13,533 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 20:16:13,536 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:16:13,561 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 20:16:13,564 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:16:13,564 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 20:16:13,564 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:16:13,564 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:16:13,564 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:16:13,574 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 20:16:13,574 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 20:16:13,580 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-19 20:16:13,626 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:16:13,628 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:16:13,628 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:16:13,628 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:16:13,628 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:16:13,630 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 20:16:13,631 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 20:16:13,640 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:16:13,667 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 20:16:13,668 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:16:13,668 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 20:16:13,669 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:16:13,669 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:16:13,669 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:16:13,670 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 20:16:13,670 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 20:16:13,672 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:16:13,697 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 20:16:13,698 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:16:13,699 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:16:13,699 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:16:13,699 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:16:13,700 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 20:16:13,701 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 20:16:13,706 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:16:13,729 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 20:16:13,731 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:16:13,731 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 20:16:13,731 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:16:13,731 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-10-19 20:16:13,731 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:16:13,734 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-10-19 20:16:13,734 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 20:16:13,738 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:16:13,765 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 20:16:13,767 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:16:13,767 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 20:16:13,767 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:16:13,767 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:16:13,767 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:16:13,768 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 20:16:13,768 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 20:16:13,773 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:16:13,799 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 20:16:13,800 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:16:13,801 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:16:13,801 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:16:13,801 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:16:13,805 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 20:16:13,805 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 20:16:13,813 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:16:13,853 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 20:16:13,854 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:16:13,854 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 20:16:13,854 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:16:13,854 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:16:13,854 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:16:13,855 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 20:16:13,855 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 20:16:13,856 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-19 20:16:13,878 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:16:13,880 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:16:13,880 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 20:16:13,880 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:16:13,881 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:16:13,881 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:16:13,881 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 20:16:13,881 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 20:16:13,884 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:16:13,918 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 20:16:13,926 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:16:13,927 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:16:13,927 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:16:13,927 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:16:13,929 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 20:16:13,929 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 20:16:13,932 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:16:13,957 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 20:16:13,958 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:16:13,959 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 20:16:13,959 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:16:13,959 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:16:13,959 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:16:13,961 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 20:16:13,961 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 20:16:13,963 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:16:13,990 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 20:16:13,992 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:16:13,992 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 20:16:13,993 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:16:13,993 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:16:13,993 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:16:13,994 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 20:16:13,994 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 20:16:14,001 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-19 20:16:14,039 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 20:16:14,040 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:16:14,040 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 20:16:14,040 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:16:14,041 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:16:14,041 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:16:14,041 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 20:16:14,041 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:16:14,047 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:16:14,074 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 20:16:14,076 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:16:14,076 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 20:16:14,076 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:16:14,076 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:16:14,076 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:16:14,077 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 20:16:14,077 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 20:16:14,079 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-19 20:16:14,086 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-10-19 20:16:14,086 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-19 20:16:14,091 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-10-19 20:16:14,091 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-10-19 20:16:14,092 INFO L510 LassoAnalysis]: Proved termination. [2020-10-19 20:16:14,093 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i2~0) = -2*ULTIMATE.start_main_~i2~0 + 19 Supporting invariants [] Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:16:14,125 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-10-19 20:16:14,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 20:16:14,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 20:16:14,203 INFO L263 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-19 20:16:14,206 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 20:16:14,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 20:16:14,247 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-19 20:16:14,249 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 20:16:14,274 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 20:16:14,278 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 [2020-10-19 20:16:14,279 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 116 states and 162 transitions. cyclomatic complexity: 47 Second operand 3 states. [2020-10-19 20:16:14,359 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 116 states and 162 transitions. cyclomatic complexity: 47. Second operand 3 states. Result 194 states and 287 transitions. Complement of second has 4 states. [2020-10-19 20:16:14,359 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 [2020-10-19 20:16:14,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-19 20:16:14,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 162 transitions. [2020-10-19 20:16:14,362 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 162 transitions. Stem has 38 letters. Loop has 27 letters. [2020-10-19 20:16:14,364 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 20:16:14,364 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 162 transitions. Stem has 65 letters. Loop has 27 letters. [2020-10-19 20:16:14,365 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 20:16:14,366 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 162 transitions. Stem has 38 letters. Loop has 54 letters. [2020-10-19 20:16:14,367 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 20:16:14,367 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 194 states and 287 transitions. [2020-10-19 20:16:14,370 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-19 20:16:14,370 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 194 states to 0 states and 0 transitions. [2020-10-19 20:16:14,370 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-10-19 20:16:14,370 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-10-19 20:16:14,370 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-10-19 20:16:14,370 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-19 20:16:14,370 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-19 20:16:14,371 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-19 20:16:14,371 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 20:16:14,371 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 20:16:14,371 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 20:16:14,371 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 3 states. [2020-10-19 20:16:14,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 20:16:14,371 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-10-19 20:16:14,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-19 20:16:14,372 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2020-10-19 20:16:14,372 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-19 20:16:14,372 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2020-10-19 20:16:14,372 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-10-19 20:16:14,372 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-10-19 20:16:14,372 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-10-19 20:16:14,372 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-19 20:16:14,373 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-19 20:16:14,373 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-19 20:16:14,373 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-19 20:16:14,373 INFO L427 BuchiCegarLoop]: ======== Iteration 4============ [2020-10-19 20:16:14,373 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-10-19 20:16:14,373 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-19 20:16:14,373 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-10-19 20:16:14,380 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.10 08:16:14 BoogieIcfgContainer [2020-10-19 20:16:14,380 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-10-19 20:16:14,380 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-19 20:16:14,380 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-19 20:16:14,381 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-19 20:16:14,381 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 08:16:08" (3/4) ... [2020-10-19 20:16:14,385 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-19 20:16:14,385 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-19 20:16:14,387 INFO L168 Benchmark]: Toolchain (without parser) took 7390.21 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 324.0 MB). Free memory was 958.6 MB in the beginning and 1.2 GB in the end (delta: -216.5 MB). Peak memory consumption was 107.5 MB. Max. memory is 11.5 GB. [2020-10-19 20:16:14,388 INFO L168 Benchmark]: CDTParser took 1.63 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-10-19 20:16:14,389 INFO L168 Benchmark]: CACSL2BoogieTranslator took 690.24 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.9 MB). Free memory was 953.2 MB in the beginning and 1.1 GB in the end (delta: -164.1 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. [2020-10-19 20:16:14,389 INFO L168 Benchmark]: Boogie Procedure Inliner took 70.19 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2020-10-19 20:16:14,390 INFO L168 Benchmark]: Boogie Preprocessor took 63.16 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-10-19 20:16:14,390 INFO L168 Benchmark]: RCFGBuilder took 772.54 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 51.7 MB). Peak memory consumption was 51.7 MB. Max. memory is 11.5 GB. [2020-10-19 20:16:14,391 INFO L168 Benchmark]: BuchiAutomizer took 5778.74 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 196.1 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -116.1 MB). Peak memory consumption was 80.0 MB. Max. memory is 11.5 GB. [2020-10-19 20:16:14,392 INFO L168 Benchmark]: Witness Printer took 4.91 ms. Allocated memory is still 1.4 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-10-19 20:16:14,395 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.63 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 690.24 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.9 MB). Free memory was 953.2 MB in the beginning and 1.1 GB in the end (delta: -164.1 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 70.19 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 63.16 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 772.54 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 51.7 MB). Peak memory consumption was 51.7 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 5778.74 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 196.1 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -116.1 MB). Peak memory consumption was 80.0 MB. Max. memory is 11.5 GB. * Witness Printer took 4.91 ms. Allocated memory is still 1.4 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 4 terminating modules (3 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * i2 + 19 and consists of 3 locations. 3 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 5.7s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 5.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 3. Minimization of det autom 4. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 116 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 521 SDtfs, 165 SDslu, 1164 SDs, 0 SdLazy, 26 SolverSat, 34 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc0 concLT1 SILN0 SILU0 SILI1 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital167 mio100 ax135 hnf108 lsp25 ukn100 mio100 lsp100 div103 bol100 ite100 ukn100 eq221 hnf85 smp100 dnf100 smp100 tf101 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 19ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...