./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.6.2.ufo.BOUNDED-12.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.6.2.ufo.BOUNDED-12.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 70b96e7cba89d38139c0d5f02f175dabc2195149 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 20:16:40,463 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-19 20:16:40,466 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-19 20:16:40,501 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-19 20:16:40,502 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-19 20:16:40,506 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-19 20:16:40,508 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-19 20:16:40,513 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-19 20:16:40,515 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-19 20:16:40,516 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-19 20:16:40,517 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-19 20:16:40,518 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-19 20:16:40,519 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-19 20:16:40,520 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-19 20:16:40,521 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-19 20:16:40,522 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-19 20:16:40,523 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-19 20:16:40,524 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-19 20:16:40,526 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-19 20:16:40,528 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-19 20:16:40,530 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-19 20:16:40,531 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-19 20:16:40,533 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-19 20:16:40,534 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-19 20:16:40,536 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-19 20:16:40,537 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-19 20:16:40,537 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-19 20:16:40,538 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-19 20:16:40,538 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-19 20:16:40,539 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-19 20:16:40,540 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-19 20:16:40,541 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-19 20:16:40,542 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-19 20:16:40,542 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-19 20:16:40,543 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-19 20:16:40,544 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-19 20:16:40,545 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-19 20:16:40,545 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-19 20:16:40,545 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-19 20:16:40,546 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-19 20:16:40,547 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-19 20:16:40,548 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-10-19 20:16:40,579 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-19 20:16:40,580 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-19 20:16:40,582 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-19 20:16:40,582 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-19 20:16:40,582 INFO L138 SettingsManager]: * Use SBE=true [2020-10-19 20:16:40,583 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-10-19 20:16:40,583 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-10-19 20:16:40,583 INFO L138 SettingsManager]: * Use old map elimination=false [2020-10-19 20:16:40,584 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-10-19 20:16:40,584 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-10-19 20:16:40,585 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-10-19 20:16:40,585 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-19 20:16:40,586 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-19 20:16:40,586 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-19 20:16:40,586 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-19 20:16:40,587 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-19 20:16:40,588 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-19 20:16:40,588 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-10-19 20:16:40,588 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-10-19 20:16:40,589 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-10-19 20:16:40,589 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-19 20:16:40,589 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-19 20:16:40,589 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-10-19 20:16:40,590 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-19 20:16:40,590 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-10-19 20:16:40,590 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-19 20:16:40,591 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-19 20:16:40,591 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-10-19 20:16:40,591 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-19 20:16:40,592 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-19 20:16:40,592 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-19 20:16:40,592 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-10-19 20:16:40,594 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-10-19 20:16:40,595 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 -> 70b96e7cba89d38139c0d5f02f175dabc2195149 [2020-10-19 20:16:40,945 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-19 20:16:40,958 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-19 20:16:40,962 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-19 20:16:40,963 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-19 20:16:40,964 INFO L275 PluginConnector]: CDTParser initialized [2020-10-19 20:16:40,965 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.6.2.ufo.BOUNDED-12.pals.c [2020-10-19 20:16:41,023 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a4a3e6d12/69af87bebdc54783b83f68ecccd2fdcc/FLAGffe79e406 [2020-10-19 20:16:41,547 INFO L306 CDTParser]: Found 1 translation units. [2020-10-19 20:16:41,548 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.6.2.ufo.BOUNDED-12.pals.c [2020-10-19 20:16:41,565 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a4a3e6d12/69af87bebdc54783b83f68ecccd2fdcc/FLAGffe79e406 [2020-10-19 20:16:41,776 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a4a3e6d12/69af87bebdc54783b83f68ecccd2fdcc [2020-10-19 20:16:41,780 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-19 20:16:41,787 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-19 20:16:41,788 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-19 20:16:41,788 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-19 20:16:41,795 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-19 20:16:41,797 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 08:16:41" (1/1) ... [2020-10-19 20:16:41,801 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70723c21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 08:16:41, skipping insertion in model container [2020-10-19 20:16:41,801 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 08:16:41" (1/1) ... [2020-10-19 20:16:41,810 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-19 20:16:41,868 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-19 20:16:42,172 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 20:16:42,186 INFO L203 MainTranslator]: Completed pre-run [2020-10-19 20:16:42,329 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 20:16:42,359 INFO L208 MainTranslator]: Completed translation [2020-10-19 20:16:42,359 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 08:16:42 WrapperNode [2020-10-19 20:16:42,359 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-19 20:16:42,360 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-19 20:16:42,360 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-19 20:16:42,360 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-19 20:16:42,369 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 08:16:42" (1/1) ... [2020-10-19 20:16:42,382 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 08:16:42" (1/1) ... [2020-10-19 20:16:42,431 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-19 20:16:42,431 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-19 20:16:42,431 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-19 20:16:42,431 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-19 20:16:42,441 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 08:16:42" (1/1) ... [2020-10-19 20:16:42,441 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 08:16:42" (1/1) ... [2020-10-19 20:16:42,447 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 08:16:42" (1/1) ... [2020-10-19 20:16:42,447 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 08:16:42" (1/1) ... [2020-10-19 20:16:42,458 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 08:16:42" (1/1) ... [2020-10-19 20:16:42,466 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 08:16:42" (1/1) ... [2020-10-19 20:16:42,470 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 08:16:42" (1/1) ... [2020-10-19 20:16:42,475 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-19 20:16:42,475 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-19 20:16:42,475 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-19 20:16:42,476 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-19 20:16:42,477 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 08:16:42" (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 20:16:42,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-19 20:16:42,556 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-19 20:16:42,556 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-19 20:16:42,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-19 20:16:43,290 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-19 20:16:43,292 INFO L298 CfgBuilder]: Removed 27 assume(true) statements. [2020-10-19 20:16:43,295 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 08:16:43 BoogieIcfgContainer [2020-10-19 20:16:43,296 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-19 20:16:43,297 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-10-19 20:16:43,298 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-10-19 20:16:43,302 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-10-19 20:16:43,303 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-19 20:16:43,304 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.10 08:16:41" (1/3) ... [2020-10-19 20:16:43,305 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@314c2251 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.10 08:16:43, skipping insertion in model container [2020-10-19 20:16:43,305 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-19 20:16:43,306 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 08:16:42" (2/3) ... [2020-10-19 20:16:43,306 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@314c2251 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.10 08:16:43, skipping insertion in model container [2020-10-19 20:16:43,306 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-19 20:16:43,307 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 08:16:43" (3/3) ... [2020-10-19 20:16:43,308 INFO L373 chiAutomizerObserver]: Analyzing ICFG pals_lcr-var-start-time.6.2.ufo.BOUNDED-12.pals.c [2020-10-19 20:16:43,360 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-10-19 20:16:43,360 INFO L360 BuchiCegarLoop]: Hoare is false [2020-10-19 20:16:43,361 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-10-19 20:16:43,361 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-19 20:16:43,361 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-19 20:16:43,362 INFO L364 BuchiCegarLoop]: Difference is false [2020-10-19 20:16:43,362 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-19 20:16:43,362 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-10-19 20:16:43,391 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 142 states. [2020-10-19 20:16:43,442 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 91 [2020-10-19 20:16:43,442 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-19 20:16:43,442 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-19 20:16:43,457 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2020-10-19 20:16:43,457 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, 1, 1, 1] [2020-10-19 20:16:43,457 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-10-19 20:16:43,457 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 142 states. [2020-10-19 20:16:43,477 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 91 [2020-10-19 20:16:43,477 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-19 20:16:43,478 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-19 20:16:43,480 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2020-10-19 20:16:43,481 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, 1, 1, 1] [2020-10-19 20:16:43,490 INFO L794 eck$LassoCheckResult]: Stem: 105#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;~p6~0 := 0;~p6_old~0 := 0;~p6_new~0 := 0;~id6~0 := 0;~st6~0 := 0;~send6~0 := 0;~mode6~0 := 0;~alive6~0 := 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];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[5 := #funAddr~node6.base], ~nodes~0.offset[5 := #funAddr~node6.offset]; 14#L-1true havoc main_#res;havoc 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~nondet43, main_#t~nondet44, main_#t~nondet45, main_#t~nondet46, main_#t~nondet47, main_#t~nondet48, main_#t~ret49, main_#t~ret50, main_#t~post51, main_~c1~0, main_~i2~0;havoc main_~c1~0;havoc main_~i2~0;main_~c1~0 := 0;~r1~0 := main_#t~nondet18;havoc main_#t~nondet18;~id1~0 := main_#t~nondet19;havoc main_#t~nondet19;~st1~0 := main_#t~nondet20;havoc main_#t~nondet20;~send1~0 := main_#t~nondet21;havoc main_#t~nondet21;~mode1~0 := main_#t~nondet22;havoc main_#t~nondet22;~alive1~0 := main_#t~nondet23;havoc main_#t~nondet23;~id2~0 := main_#t~nondet24;havoc main_#t~nondet24;~st2~0 := main_#t~nondet25;havoc main_#t~nondet25;~send2~0 := main_#t~nondet26;havoc main_#t~nondet26;~mode2~0 := main_#t~nondet27;havoc main_#t~nondet27;~alive2~0 := main_#t~nondet28;havoc main_#t~nondet28;~id3~0 := main_#t~nondet29;havoc main_#t~nondet29;~st3~0 := main_#t~nondet30;havoc main_#t~nondet30;~send3~0 := main_#t~nondet31;havoc main_#t~nondet31;~mode3~0 := main_#t~nondet32;havoc main_#t~nondet32;~alive3~0 := main_#t~nondet33;havoc main_#t~nondet33;~id4~0 := main_#t~nondet34;havoc main_#t~nondet34;~st4~0 := main_#t~nondet35;havoc main_#t~nondet35;~send4~0 := main_#t~nondet36;havoc main_#t~nondet36;~mode4~0 := main_#t~nondet37;havoc main_#t~nondet37;~alive4~0 := main_#t~nondet38;havoc main_#t~nondet38;~id5~0 := main_#t~nondet39;havoc main_#t~nondet39;~st5~0 := main_#t~nondet40;havoc main_#t~nondet40;~send5~0 := main_#t~nondet41;havoc main_#t~nondet41;~mode5~0 := main_#t~nondet42;havoc main_#t~nondet42;~alive5~0 := main_#t~nondet43;havoc main_#t~nondet43;~id6~0 := main_#t~nondet44;havoc main_#t~nondet44;~st6~0 := main_#t~nondet45;havoc main_#t~nondet45;~send6~0 := main_#t~nondet46;havoc main_#t~nondet46;~mode6~0 := main_#t~nondet47;havoc main_#t~nondet47;~alive6~0 := main_#t~nondet48;havoc main_#t~nondet48;havoc init_#res;havoc init_~tmp~0;havoc init_~tmp~0; 43#L334true assume !(0 == ~r1~0);init_~tmp~0 := 0; 45#L334-1true init_#res := init_~tmp~0; 51#L499true main_#t~ret49 := init_#res;main_~i2~0 := main_#t~ret49;havoc main_#t~ret49;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; 77#L69true assume 0 == assume_abort_if_not_~cond;assume false; 144#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;~p6_old~0 := ~nomsg~0;~p6_new~0 := ~nomsg~0;main_~i2~0 := 0; 106#L575-2true [2020-10-19 20:16:43,491 INFO L796 eck$LassoCheckResult]: Loop: 106#L575-2true assume !!(main_~i2~0 < 12);havoc node1_#t~ite7, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 21#L131true assume !(0 != ~mode1~0 % 256); 83#L149true assume !(0 != ~alive1~0 % 256); 62#L149-2true ~mode1~0 := 1; 18#L131-2true havoc node2_#t~ite8, node2_#t~ite9, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 73#L163true assume 0 != ~mode2~0 % 256;node2_~m2~0 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 46#L166true assume !(node2_~m2~0 != ~nomsg~0); 44#L166-1true ~mode2~0 := 0; 69#L163-2true havoc node3_#t~ite10, node3_#t~ite11, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 4#L197true assume 0 != ~mode3~0 % 256;node3_~m3~0 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 132#L200true assume !(node3_~m3~0 != ~nomsg~0); 131#L200-1true ~mode3~0 := 0; 22#L197-2true havoc node4_#t~ite12, node4_#t~ite13, node4_~m4~0;havoc node4_~m4~0;node4_~m4~0 := ~nomsg~0; 102#L231true assume 0 != ~mode4~0 % 256;node4_~m4~0 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 104#L234true assume !(node4_~m4~0 != ~nomsg~0); 82#L234-1true ~mode4~0 := 0; 97#L231-2true havoc node5_#t~ite14, node5_#t~ite15, node5_~m5~0;havoc node5_~m5~0;node5_~m5~0 := ~nomsg~0; 48#L265true assume 0 != ~mode5~0 % 256;node5_~m5~0 := ~p4_old~0;~p4_old~0 := ~nomsg~0; 54#L268true assume !(node5_~m5~0 != ~nomsg~0); 53#L268-1true ~mode5~0 := 0; 47#L265-2true havoc node6_#t~ite16, node6_#t~ite17, node6_~m6~0;havoc node6_~m6~0;node6_~m6~0 := ~nomsg~0; 17#L299true assume 0 != ~mode6~0 % 256;node6_~m6~0 := ~p5_old~0;~p5_old~0 := ~nomsg~0; 141#L302true assume !(node6_~m6~0 != ~nomsg~0); 138#L302-1true ~mode6~0 := 0; 133#L299-2true ~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;~p6_old~0 := ~p6_new~0;~p6_new~0 := ~nomsg~0;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 72#L507true assume !(~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0 <= 1);check_~tmp~1 := 0; 75#L507-1true check_#res := check_~tmp~1; 19#L519true main_#t~ret50 := check_#res;main_~c1~0 := main_#t~ret50;havoc main_#t~ret50;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 115#L608true assume !(0 == assert_~arg % 256); 92#L603true main_#t~post51 := main_~i2~0;main_~i2~0 := 1 + main_#t~post51;havoc main_#t~post51; 106#L575-2true [2020-10-19 20:16:43,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 20:16:43,497 INFO L82 PathProgramCache]: Analyzing trace with hash 2035845626, now seen corresponding path program 1 times [2020-10-19 20:16:43,505 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 20:16:43,506 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [780359734] [2020-10-19 20:16:43,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 20:16:43,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 20:16:43,705 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 20:16:43,707 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [780359734] [2020-10-19 20:16:43,708 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 20:16:43,708 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-19 20:16:43,709 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1879889918] [2020-10-19 20:16:43,714 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-10-19 20:16:43,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 20:16:43,715 INFO L82 PathProgramCache]: Analyzing trace with hash 225391693, now seen corresponding path program 1 times [2020-10-19 20:16:43,715 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 20:16:43,715 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1531846630] [2020-10-19 20:16:43,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 20:16:43,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 20:16:43,883 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 20:16:43,884 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1531846630] [2020-10-19 20:16:43,884 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 20:16:43,884 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-19 20:16:43,885 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [783776672] [2020-10-19 20:16:43,886 INFO L811 eck$LassoCheckResult]: loop already infeasible [2020-10-19 20:16:43,887 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 20:16:43,903 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-19 20:16:43,904 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-19 20:16:43,906 INFO L87 Difference]: Start difference. First operand 142 states. Second operand 2 states. [2020-10-19 20:16:43,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 20:16:43,921 INFO L93 Difference]: Finished difference Result 141 states and 237 transitions. [2020-10-19 20:16:43,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-19 20:16:43,923 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 141 states and 237 transitions. [2020-10-19 20:16:43,926 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 89 [2020-10-19 20:16:43,932 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 141 states to 136 states and 232 transitions. [2020-10-19 20:16:43,934 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 136 [2020-10-19 20:16:43,935 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 136 [2020-10-19 20:16:43,935 INFO L73 IsDeterministic]: Start isDeterministic. Operand 136 states and 232 transitions. [2020-10-19 20:16:43,937 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-19 20:16:43,937 INFO L691 BuchiCegarLoop]: Abstraction has 136 states and 232 transitions. [2020-10-19 20:16:43,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states and 232 transitions. [2020-10-19 20:16:43,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 136. [2020-10-19 20:16:43,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2020-10-19 20:16:43,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 232 transitions. [2020-10-19 20:16:43,972 INFO L714 BuchiCegarLoop]: Abstraction has 136 states and 232 transitions. [2020-10-19 20:16:43,972 INFO L594 BuchiCegarLoop]: Abstraction has 136 states and 232 transitions. [2020-10-19 20:16:43,972 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-10-19 20:16:43,972 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 136 states and 232 transitions. [2020-10-19 20:16:43,974 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 89 [2020-10-19 20:16:43,975 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-19 20:16:43,975 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-19 20:16:43,976 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2020-10-19 20:16:43,976 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, 1, 1, 1] [2020-10-19 20:16:43,977 INFO L794 eck$LassoCheckResult]: Stem: 421#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;~p6~0 := 0;~p6_old~0 := 0;~p6_new~0 := 0;~id6~0 := 0;~st6~0 := 0;~send6~0 := 0;~mode6~0 := 0;~alive6~0 := 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];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[5 := #funAddr~node6.base], ~nodes~0.offset[5 := #funAddr~node6.offset]; 315#L-1 havoc main_#res;havoc 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~nondet43, main_#t~nondet44, main_#t~nondet45, main_#t~nondet46, main_#t~nondet47, main_#t~nondet48, main_#t~ret49, main_#t~ret50, main_#t~post51, main_~c1~0, main_~i2~0;havoc main_~c1~0;havoc main_~i2~0;main_~c1~0 := 0;~r1~0 := main_#t~nondet18;havoc main_#t~nondet18;~id1~0 := main_#t~nondet19;havoc main_#t~nondet19;~st1~0 := main_#t~nondet20;havoc main_#t~nondet20;~send1~0 := main_#t~nondet21;havoc main_#t~nondet21;~mode1~0 := main_#t~nondet22;havoc main_#t~nondet22;~alive1~0 := main_#t~nondet23;havoc main_#t~nondet23;~id2~0 := main_#t~nondet24;havoc main_#t~nondet24;~st2~0 := main_#t~nondet25;havoc main_#t~nondet25;~send2~0 := main_#t~nondet26;havoc main_#t~nondet26;~mode2~0 := main_#t~nondet27;havoc main_#t~nondet27;~alive2~0 := main_#t~nondet28;havoc main_#t~nondet28;~id3~0 := main_#t~nondet29;havoc main_#t~nondet29;~st3~0 := main_#t~nondet30;havoc main_#t~nondet30;~send3~0 := main_#t~nondet31;havoc main_#t~nondet31;~mode3~0 := main_#t~nondet32;havoc main_#t~nondet32;~alive3~0 := main_#t~nondet33;havoc main_#t~nondet33;~id4~0 := main_#t~nondet34;havoc main_#t~nondet34;~st4~0 := main_#t~nondet35;havoc main_#t~nondet35;~send4~0 := main_#t~nondet36;havoc main_#t~nondet36;~mode4~0 := main_#t~nondet37;havoc main_#t~nondet37;~alive4~0 := main_#t~nondet38;havoc main_#t~nondet38;~id5~0 := main_#t~nondet39;havoc main_#t~nondet39;~st5~0 := main_#t~nondet40;havoc main_#t~nondet40;~send5~0 := main_#t~nondet41;havoc main_#t~nondet41;~mode5~0 := main_#t~nondet42;havoc main_#t~nondet42;~alive5~0 := main_#t~nondet43;havoc main_#t~nondet43;~id6~0 := main_#t~nondet44;havoc main_#t~nondet44;~st6~0 := main_#t~nondet45;havoc main_#t~nondet45;~send6~0 := main_#t~nondet46;havoc main_#t~nondet46;~mode6~0 := main_#t~nondet47;havoc main_#t~nondet47;~alive6~0 := main_#t~nondet48;havoc main_#t~nondet48;havoc init_#res;havoc init_~tmp~0;havoc init_~tmp~0; 316#L334 assume !(0 == ~r1~0);init_~tmp~0 := 0; 303#L334-1 init_#res := init_~tmp~0; 371#L499 main_#t~ret49 := init_#res;main_~i2~0 := main_#t~ret49;havoc main_#t~ret49;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; 379#L69 assume !(0 == assume_abort_if_not_~cond); 405#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;~p6_old~0 := ~nomsg~0;~p6_new~0 := ~nomsg~0;main_~i2~0 := 0; 414#L575-2 [2020-10-19 20:16:43,977 INFO L796 eck$LassoCheckResult]: Loop: 414#L575-2 assume !!(main_~i2~0 < 12);havoc node1_#t~ite7, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 329#L131 assume !(0 != ~mode1~0 % 256); 330#L149 assume !(0 != ~alive1~0 % 256); 314#L149-2 ~mode1~0 := 1; 324#L131-2 havoc node2_#t~ite8, node2_#t~ite9, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 325#L163 assume 0 != ~mode2~0 % 256;node2_~m2~0 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 372#L166 assume !(node2_~m2~0 != ~nomsg~0); 370#L166-1 ~mode2~0 := 0; 349#L163-2 havoc node3_#t~ite10, node3_#t~ite11, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 296#L197 assume 0 != ~mode3~0 % 256;node3_~m3~0 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 298#L200 assume !(node3_~m3~0 != ~nomsg~0); 362#L200-1 ~mode3~0 := 0; 332#L197-2 havoc node4_#t~ite12, node4_#t~ite13, node4_~m4~0;havoc node4_~m4~0;node4_~m4~0 := ~nomsg~0; 333#L231 assume 0 != ~mode4~0 % 256;node4_~m4~0 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 420#L234 assume !(node4_~m4~0 != ~nomsg~0); 381#L234-1 ~mode4~0 := 0; 403#L231-2 havoc node5_#t~ite14, node5_#t~ite15, node5_~m5~0;havoc node5_~m5~0;node5_~m5~0 := ~nomsg~0; 374#L265 assume 0 != ~mode5~0 % 256;node5_~m5~0 := ~p4_old~0;~p4_old~0 := ~nomsg~0; 375#L268 assume !(node5_~m5~0 != ~nomsg~0); 383#L268-1 ~mode5~0 := 0; 300#L265-2 havoc node6_#t~ite16, node6_#t~ite17, node6_~m6~0;havoc node6_~m6~0;node6_~m6~0 := ~nomsg~0; 321#L299 assume 0 != ~mode6~0 % 256;node6_~m6~0 := ~p5_old~0;~p5_old~0 := ~nomsg~0; 322#L302 assume !(node6_~m6~0 != ~nomsg~0); 320#L302-1 ~mode6~0 := 0; 422#L299-2 ~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;~p6_old~0 := ~p6_new~0;~p6_new~0 := ~nomsg~0;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 401#L507 assume !(~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0 <= 1);check_~tmp~1 := 0; 312#L507-1 check_#res := check_~tmp~1; 326#L519 main_#t~ret50 := check_#res;main_~c1~0 := main_#t~ret50;havoc main_#t~ret50;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 327#L608 assume !(0 == assert_~arg % 256); 413#L603 main_#t~post51 := main_~i2~0;main_~i2~0 := 1 + main_#t~post51;havoc main_#t~post51; 414#L575-2 [2020-10-19 20:16:43,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 20:16:43,977 INFO L82 PathProgramCache]: Analyzing trace with hash 2035845688, now seen corresponding path program 1 times [2020-10-19 20:16:43,978 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 20:16:43,978 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1165848962] [2020-10-19 20:16:43,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 20:16:44,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 20:16:44,080 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 20:16:44,080 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1165848962] [2020-10-19 20:16:44,081 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 20:16:44,081 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-19 20:16:44,081 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1492170472] [2020-10-19 20:16:44,082 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-10-19 20:16:44,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 20:16:44,082 INFO L82 PathProgramCache]: Analyzing trace with hash 225391693, now seen corresponding path program 2 times [2020-10-19 20:16:44,083 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 20:16:44,083 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1087652081] [2020-10-19 20:16:44,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 20:16:44,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 20:16:44,235 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 20:16:44,236 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1087652081] [2020-10-19 20:16:44,236 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 20:16:44,236 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-19 20:16:44,237 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [723201285] [2020-10-19 20:16:44,237 INFO L811 eck$LassoCheckResult]: loop already infeasible [2020-10-19 20:16:44,238 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 20:16:44,238 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-19 20:16:44,238 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-19 20:16:44,239 INFO L87 Difference]: Start difference. First operand 136 states and 232 transitions. cyclomatic complexity: 97 Second operand 5 states. [2020-10-19 20:16:44,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 20:16:44,361 INFO L93 Difference]: Finished difference Result 139 states and 234 transitions. [2020-10-19 20:16:44,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-19 20:16:44,363 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 139 states and 234 transitions. [2020-10-19 20:16:44,365 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 89 [2020-10-19 20:16:44,367 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 139 states to 136 states and 191 transitions. [2020-10-19 20:16:44,367 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 136 [2020-10-19 20:16:44,368 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 136 [2020-10-19 20:16:44,368 INFO L73 IsDeterministic]: Start isDeterministic. Operand 136 states and 191 transitions. [2020-10-19 20:16:44,370 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-19 20:16:44,370 INFO L691 BuchiCegarLoop]: Abstraction has 136 states and 191 transitions. [2020-10-19 20:16:44,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states and 191 transitions. [2020-10-19 20:16:44,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 136. [2020-10-19 20:16:44,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2020-10-19 20:16:44,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 191 transitions. [2020-10-19 20:16:44,380 INFO L714 BuchiCegarLoop]: Abstraction has 136 states and 191 transitions. [2020-10-19 20:16:44,380 INFO L594 BuchiCegarLoop]: Abstraction has 136 states and 191 transitions. [2020-10-19 20:16:44,380 INFO L427 BuchiCegarLoop]: ======== Iteration 3============ [2020-10-19 20:16:44,380 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 136 states and 191 transitions. [2020-10-19 20:16:44,382 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 89 [2020-10-19 20:16:44,384 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-19 20:16:44,384 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-19 20:16:44,388 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 20:16:44,388 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, 1, 1, 1] [2020-10-19 20:16:44,389 INFO L794 eck$LassoCheckResult]: Stem: 711#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;~p6~0 := 0;~p6_old~0 := 0;~p6_new~0 := 0;~id6~0 := 0;~st6~0 := 0;~send6~0 := 0;~mode6~0 := 0;~alive6~0 := 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];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[5 := #funAddr~node6.base], ~nodes~0.offset[5 := #funAddr~node6.offset]; 604#L-1 havoc main_#res;havoc 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~nondet43, main_#t~nondet44, main_#t~nondet45, main_#t~nondet46, main_#t~nondet47, main_#t~nondet48, main_#t~ret49, main_#t~ret50, main_#t~post51, main_~c1~0, main_~i2~0;havoc main_~c1~0;havoc main_~i2~0;main_~c1~0 := 0;~r1~0 := main_#t~nondet18;havoc main_#t~nondet18;~id1~0 := main_#t~nondet19;havoc main_#t~nondet19;~st1~0 := main_#t~nondet20;havoc main_#t~nondet20;~send1~0 := main_#t~nondet21;havoc main_#t~nondet21;~mode1~0 := main_#t~nondet22;havoc main_#t~nondet22;~alive1~0 := main_#t~nondet23;havoc main_#t~nondet23;~id2~0 := main_#t~nondet24;havoc main_#t~nondet24;~st2~0 := main_#t~nondet25;havoc main_#t~nondet25;~send2~0 := main_#t~nondet26;havoc main_#t~nondet26;~mode2~0 := main_#t~nondet27;havoc main_#t~nondet27;~alive2~0 := main_#t~nondet28;havoc main_#t~nondet28;~id3~0 := main_#t~nondet29;havoc main_#t~nondet29;~st3~0 := main_#t~nondet30;havoc main_#t~nondet30;~send3~0 := main_#t~nondet31;havoc main_#t~nondet31;~mode3~0 := main_#t~nondet32;havoc main_#t~nondet32;~alive3~0 := main_#t~nondet33;havoc main_#t~nondet33;~id4~0 := main_#t~nondet34;havoc main_#t~nondet34;~st4~0 := main_#t~nondet35;havoc main_#t~nondet35;~send4~0 := main_#t~nondet36;havoc main_#t~nondet36;~mode4~0 := main_#t~nondet37;havoc main_#t~nondet37;~alive4~0 := main_#t~nondet38;havoc main_#t~nondet38;~id5~0 := main_#t~nondet39;havoc main_#t~nondet39;~st5~0 := main_#t~nondet40;havoc main_#t~nondet40;~send5~0 := main_#t~nondet41;havoc main_#t~nondet41;~mode5~0 := main_#t~nondet42;havoc main_#t~nondet42;~alive5~0 := main_#t~nondet43;havoc main_#t~nondet43;~id6~0 := main_#t~nondet44;havoc main_#t~nondet44;~st6~0 := main_#t~nondet45;havoc main_#t~nondet45;~send6~0 := main_#t~nondet46;havoc main_#t~nondet46;~mode6~0 := main_#t~nondet47;havoc main_#t~nondet47;~alive6~0 := main_#t~nondet48;havoc main_#t~nondet48;havoc init_#res;havoc init_~tmp~0;havoc init_~tmp~0; 605#L334 assume 0 == ~r1~0; 659#L335 assume ~alive1~0 % 256 + ~alive2~0 % 256 + ~alive3~0 % 256 + ~alive4~0 % 256 + ~alive5~0 % 256 + ~alive6~0 % 256 >= 1; 707#L336 assume ~id1~0 >= 0; 648#L337 assume 0 == ~st1~0; 649#L338 assume ~send1~0 == ~id1~0; 688#L339 assume 0 == ~mode1~0 % 256; 606#L340 assume ~id2~0 >= 0; 607#L341 assume 0 == ~st2~0; 683#L342 assume ~send2~0 == ~id2~0; 596#L343 assume 0 == ~mode2~0 % 256; 597#L344 assume ~id3~0 >= 0; 656#L345 assume 0 == ~st3~0; 657#L346 assume ~send3~0 == ~id3~0; 706#L347 assume 0 == ~mode3~0 % 256; 645#L348 assume ~id4~0 >= 0; 646#L349 assume 0 == ~st4~0; 687#L350 assume ~send4~0 == ~id4~0; 632#L351 assume 0 == ~mode4~0 % 256; 633#L352 assume ~id5~0 >= 0; 682#L353 assume 0 == ~st5~0; 593#L354 assume ~send5~0 == ~id5~0; 594#L355 assume 0 == ~mode5~0 % 256; 654#L356 assume ~id6~0 >= 0; 655#L357 assume 0 == ~st6~0; 702#L358 assume ~send6~0 == ~id6~0; 642#L359 assume 0 == ~mode6~0 % 256; 643#L360 assume ~id1~0 != ~id2~0; 686#L361 assume ~id1~0 != ~id3~0; 630#L362 assume ~id1~0 != ~id4~0; 631#L363 assume ~id1~0 != ~id5~0; 681#L364 assume ~id1~0 != ~id6~0; 591#L365 assume ~id2~0 != ~id3~0; 592#L366 assume ~id2~0 != ~id4~0; 675#L367 assume ~id2~0 != ~id5~0; 676#L368 assume ~id2~0 != ~id6~0; 701#L369 assume ~id3~0 != ~id4~0; 640#L370 assume ~id3~0 != ~id5~0; 641#L371 assume ~id3~0 != ~id6~0; 685#L372 assume ~id4~0 != ~id5~0; 628#L373 assume ~id4~0 != ~id6~0; 629#L374 assume ~id5~0 != ~id6~0;init_~tmp~0 := 1; 660#L334-1 init_#res := init_~tmp~0; 661#L499 main_#t~ret49 := init_#res;main_~i2~0 := main_#t~ret49;havoc main_#t~ret49;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; 669#L69 assume !(0 == assume_abort_if_not_~cond); 695#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;~p6_old~0 := ~nomsg~0;~p6_new~0 := ~nomsg~0;main_~i2~0 := 0; 705#L575-2 [2020-10-19 20:16:44,391 INFO L796 eck$LassoCheckResult]: Loop: 705#L575-2 assume !!(main_~i2~0 < 12);havoc node1_#t~ite7, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 620#L131 assume !(0 != ~mode1~0 % 256); 621#L149 assume !(0 != ~alive1~0 % 256); 603#L149-2 ~mode1~0 := 1; 613#L131-2 havoc node2_#t~ite8, node2_#t~ite9, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 614#L163 assume 0 != ~mode2~0 % 256;node2_~m2~0 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 662#L166 assume !(node2_~m2~0 != ~nomsg~0); 658#L166-1 ~mode2~0 := 0; 638#L163-2 havoc node3_#t~ite10, node3_#t~ite11, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 586#L197 assume 0 != ~mode3~0 % 256;node3_~m3~0 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 588#L200 assume !(node3_~m3~0 != ~nomsg~0); 651#L200-1 ~mode3~0 := 0; 618#L197-2 havoc node4_#t~ite12, node4_#t~ite13, node4_~m4~0;havoc node4_~m4~0;node4_~m4~0 := ~nomsg~0; 619#L231 assume 0 != ~mode4~0 % 256;node4_~m4~0 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 710#L234 assume !(node4_~m4~0 != ~nomsg~0); 671#L234-1 ~mode4~0 := 0; 693#L231-2 havoc node5_#t~ite14, node5_#t~ite15, node5_~m5~0;havoc node5_~m5~0;node5_~m5~0 := ~nomsg~0; 664#L265 assume 0 != ~mode5~0 % 256;node5_~m5~0 := ~p4_old~0;~p4_old~0 := ~nomsg~0; 665#L268 assume !(node5_~m5~0 != ~nomsg~0); 673#L268-1 ~mode5~0 := 0; 590#L265-2 havoc node6_#t~ite16, node6_#t~ite17, node6_~m6~0;havoc node6_~m6~0;node6_~m6~0 := ~nomsg~0; 610#L299 assume 0 != ~mode6~0 % 256;node6_~m6~0 := ~p5_old~0;~p5_old~0 := ~nomsg~0; 611#L302 assume !(node6_~m6~0 != ~nomsg~0); 609#L302-1 ~mode6~0 := 0; 712#L299-2 ~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;~p6_old~0 := ~p6_new~0;~p6_new~0 := ~nomsg~0;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 692#L507 assume !(~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0 <= 1);check_~tmp~1 := 0; 601#L507-1 check_#res := check_~tmp~1; 615#L519 main_#t~ret50 := check_#res;main_~c1~0 := main_#t~ret50;havoc main_#t~ret50;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 616#L608 assume !(0 == assert_~arg % 256); 704#L603 main_#t~post51 := main_~i2~0;main_~i2~0 := 1 + main_#t~post51;havoc main_#t~post51; 705#L575-2 [2020-10-19 20:16:44,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 20:16:44,394 INFO L82 PathProgramCache]: Analyzing trace with hash -1766357374, now seen corresponding path program 1 times [2020-10-19 20:16:44,394 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 20:16:44,395 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1885094018] [2020-10-19 20:16:44,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 20:16:44,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 20:16:44,480 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 20:16:44,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 20:16:44,524 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 20:16:44,575 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 20:16:44,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 20:16:44,576 INFO L82 PathProgramCache]: Analyzing trace with hash 225391693, now seen corresponding path program 3 times [2020-10-19 20:16:44,576 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 20:16:44,577 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1037960650] [2020-10-19 20:16:44,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 20:16:44,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 20:16:44,660 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 20:16:44,661 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1037960650] [2020-10-19 20:16:44,661 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 20:16:44,661 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-19 20:16:44,661 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [774386604] [2020-10-19 20:16:44,662 INFO L811 eck$LassoCheckResult]: loop already infeasible [2020-10-19 20:16:44,662 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 20:16:44,663 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-19 20:16:44,663 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-19 20:16:44,663 INFO L87 Difference]: Start difference. First operand 136 states and 191 transitions. cyclomatic complexity: 56 Second operand 5 states. [2020-10-19 20:16:44,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 20:16:44,720 INFO L93 Difference]: Finished difference Result 139 states and 193 transitions. [2020-10-19 20:16:44,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-19 20:16:44,721 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 139 states and 193 transitions. [2020-10-19 20:16:44,723 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 89 [2020-10-19 20:16:44,725 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 139 states to 136 states and 189 transitions. [2020-10-19 20:16:44,725 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 136 [2020-10-19 20:16:44,726 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 136 [2020-10-19 20:16:44,726 INFO L73 IsDeterministic]: Start isDeterministic. Operand 136 states and 189 transitions. [2020-10-19 20:16:44,727 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-19 20:16:44,727 INFO L691 BuchiCegarLoop]: Abstraction has 136 states and 189 transitions. [2020-10-19 20:16:44,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states and 189 transitions. [2020-10-19 20:16:44,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 136. [2020-10-19 20:16:44,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2020-10-19 20:16:44,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 189 transitions. [2020-10-19 20:16:44,736 INFO L714 BuchiCegarLoop]: Abstraction has 136 states and 189 transitions. [2020-10-19 20:16:44,736 INFO L594 BuchiCegarLoop]: Abstraction has 136 states and 189 transitions. [2020-10-19 20:16:44,736 INFO L427 BuchiCegarLoop]: ======== Iteration 4============ [2020-10-19 20:16:44,736 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 136 states and 189 transitions. [2020-10-19 20:16:44,738 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 89 [2020-10-19 20:16:44,738 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-19 20:16:44,738 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-19 20:16:44,740 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 20:16:44,740 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, 1, 1, 1, 1, 1] [2020-10-19 20:16:44,741 INFO L794 eck$LassoCheckResult]: Stem: 998#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;~p6~0 := 0;~p6_old~0 := 0;~p6_new~0 := 0;~id6~0 := 0;~st6~0 := 0;~send6~0 := 0;~mode6~0 := 0;~alive6~0 := 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];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[5 := #funAddr~node6.base], ~nodes~0.offset[5 := #funAddr~node6.offset]; 891#L-1 havoc main_#res;havoc 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~nondet43, main_#t~nondet44, main_#t~nondet45, main_#t~nondet46, main_#t~nondet47, main_#t~nondet48, main_#t~ret49, main_#t~ret50, main_#t~post51, main_~c1~0, main_~i2~0;havoc main_~c1~0;havoc main_~i2~0;main_~c1~0 := 0;~r1~0 := main_#t~nondet18;havoc main_#t~nondet18;~id1~0 := main_#t~nondet19;havoc main_#t~nondet19;~st1~0 := main_#t~nondet20;havoc main_#t~nondet20;~send1~0 := main_#t~nondet21;havoc main_#t~nondet21;~mode1~0 := main_#t~nondet22;havoc main_#t~nondet22;~alive1~0 := main_#t~nondet23;havoc main_#t~nondet23;~id2~0 := main_#t~nondet24;havoc main_#t~nondet24;~st2~0 := main_#t~nondet25;havoc main_#t~nondet25;~send2~0 := main_#t~nondet26;havoc main_#t~nondet26;~mode2~0 := main_#t~nondet27;havoc main_#t~nondet27;~alive2~0 := main_#t~nondet28;havoc main_#t~nondet28;~id3~0 := main_#t~nondet29;havoc main_#t~nondet29;~st3~0 := main_#t~nondet30;havoc main_#t~nondet30;~send3~0 := main_#t~nondet31;havoc main_#t~nondet31;~mode3~0 := main_#t~nondet32;havoc main_#t~nondet32;~alive3~0 := main_#t~nondet33;havoc main_#t~nondet33;~id4~0 := main_#t~nondet34;havoc main_#t~nondet34;~st4~0 := main_#t~nondet35;havoc main_#t~nondet35;~send4~0 := main_#t~nondet36;havoc main_#t~nondet36;~mode4~0 := main_#t~nondet37;havoc main_#t~nondet37;~alive4~0 := main_#t~nondet38;havoc main_#t~nondet38;~id5~0 := main_#t~nondet39;havoc main_#t~nondet39;~st5~0 := main_#t~nondet40;havoc main_#t~nondet40;~send5~0 := main_#t~nondet41;havoc main_#t~nondet41;~mode5~0 := main_#t~nondet42;havoc main_#t~nondet42;~alive5~0 := main_#t~nondet43;havoc main_#t~nondet43;~id6~0 := main_#t~nondet44;havoc main_#t~nondet44;~st6~0 := main_#t~nondet45;havoc main_#t~nondet45;~send6~0 := main_#t~nondet46;havoc main_#t~nondet46;~mode6~0 := main_#t~nondet47;havoc main_#t~nondet47;~alive6~0 := main_#t~nondet48;havoc main_#t~nondet48;havoc init_#res;havoc init_~tmp~0;havoc init_~tmp~0; 892#L334 assume 0 == ~r1~0; 946#L335 assume ~alive1~0 % 256 + ~alive2~0 % 256 + ~alive3~0 % 256 + ~alive4~0 % 256 + ~alive5~0 % 256 + ~alive6~0 % 256 >= 1; 994#L336 assume ~id1~0 >= 0; 935#L337 assume 0 == ~st1~0; 936#L338 assume ~send1~0 == ~id1~0; 975#L339 assume 0 == ~mode1~0 % 256; 893#L340 assume ~id2~0 >= 0; 894#L341 assume 0 == ~st2~0; 970#L342 assume ~send2~0 == ~id2~0; 883#L343 assume 0 == ~mode2~0 % 256; 884#L344 assume ~id3~0 >= 0; 943#L345 assume 0 == ~st3~0; 944#L346 assume ~send3~0 == ~id3~0; 993#L347 assume 0 == ~mode3~0 % 256; 933#L348 assume ~id4~0 >= 0; 934#L349 assume 0 == ~st4~0; 974#L350 assume ~send4~0 == ~id4~0; 922#L351 assume 0 == ~mode4~0 % 256; 923#L352 assume ~id5~0 >= 0; 969#L353 assume 0 == ~st5~0; 880#L354 assume ~send5~0 == ~id5~0; 881#L355 assume 0 == ~mode5~0 % 256; 941#L356 assume ~id6~0 >= 0; 942#L357 assume 0 == ~st6~0; 989#L358 assume ~send6~0 == ~id6~0; 929#L359 assume 0 == ~mode6~0 % 256; 930#L360 assume ~id1~0 != ~id2~0; 973#L361 assume ~id1~0 != ~id3~0; 917#L362 assume ~id1~0 != ~id4~0; 918#L363 assume ~id1~0 != ~id5~0; 968#L364 assume ~id1~0 != ~id6~0; 878#L365 assume ~id2~0 != ~id3~0; 879#L366 assume ~id2~0 != ~id4~0; 962#L367 assume ~id2~0 != ~id5~0; 963#L368 assume ~id2~0 != ~id6~0; 988#L369 assume ~id3~0 != ~id4~0; 927#L370 assume ~id3~0 != ~id5~0; 928#L371 assume ~id3~0 != ~id6~0; 972#L372 assume ~id4~0 != ~id5~0; 915#L373 assume ~id4~0 != ~id6~0; 916#L374 assume ~id5~0 != ~id6~0;init_~tmp~0 := 1; 947#L334-1 init_#res := init_~tmp~0; 948#L499 main_#t~ret49 := init_#res;main_~i2~0 := main_#t~ret49;havoc main_#t~ret49;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; 956#L69 assume !(0 == assume_abort_if_not_~cond); 982#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;~p6_old~0 := ~nomsg~0;~p6_new~0 := ~nomsg~0;main_~i2~0 := 0; 992#L575-2 [2020-10-19 20:16:44,741 INFO L796 eck$LassoCheckResult]: Loop: 992#L575-2 assume !!(main_~i2~0 < 12);havoc node1_#t~ite7, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 905#L131 assume !(0 != ~mode1~0 % 256); 906#L149 assume !(0 != ~alive1~0 % 256); 888#L149-2 ~mode1~0 := 1; 900#L131-2 havoc node2_#t~ite8, node2_#t~ite9, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 901#L163 assume 0 != ~mode2~0 % 256;node2_~m2~0 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 949#L166 assume !(node2_~m2~0 != ~nomsg~0); 945#L166-1 ~mode2~0 := 0; 925#L163-2 havoc node3_#t~ite10, node3_#t~ite11, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 873#L197 assume 0 != ~mode3~0 % 256;node3_~m3~0 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 875#L200 assume !(node3_~m3~0 != ~nomsg~0); 938#L200-1 ~mode3~0 := 0; 908#L197-2 havoc node4_#t~ite12, node4_#t~ite13, node4_~m4~0;havoc node4_~m4~0;node4_~m4~0 := ~nomsg~0; 909#L231 assume 0 != ~mode4~0 % 256;node4_~m4~0 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 997#L234 assume !(node4_~m4~0 != ~nomsg~0); 958#L234-1 ~mode4~0 := 0; 980#L231-2 havoc node5_#t~ite14, node5_#t~ite15, node5_~m5~0;havoc node5_~m5~0;node5_~m5~0 := ~nomsg~0; 951#L265 assume 0 != ~mode5~0 % 256;node5_~m5~0 := ~p4_old~0;~p4_old~0 := ~nomsg~0; 952#L268 assume !(node5_~m5~0 != ~nomsg~0); 960#L268-1 ~mode5~0 := 0; 877#L265-2 havoc node6_#t~ite16, node6_#t~ite17, node6_~m6~0;havoc node6_~m6~0;node6_~m6~0 := ~nomsg~0; 897#L299 assume 0 != ~mode6~0 % 256;node6_~m6~0 := ~p5_old~0;~p5_old~0 := ~nomsg~0; 898#L302 assume !(node6_~m6~0 != ~nomsg~0); 896#L302-1 ~mode6~0 := 0; 999#L299-2 ~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;~p6_old~0 := ~p6_new~0;~p6_new~0 := ~nomsg~0;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 979#L507 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0 <= 1; 904#L508 assume ~r1~0 < 6;check_~tmp~1 := 1; 890#L507-1 check_#res := check_~tmp~1; 902#L519 main_#t~ret50 := check_#res;main_~c1~0 := main_#t~ret50;havoc main_#t~ret50;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 903#L608 assume !(0 == assert_~arg % 256); 991#L603 main_#t~post51 := main_~i2~0;main_~i2~0 := 1 + main_#t~post51;havoc main_#t~post51; 992#L575-2 [2020-10-19 20:16:44,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 20:16:44,742 INFO L82 PathProgramCache]: Analyzing trace with hash -1766357374, now seen corresponding path program 2 times [2020-10-19 20:16:44,742 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 20:16:44,743 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1555168904] [2020-10-19 20:16:44,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 20:16:44,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 20:16:44,774 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 20:16:44,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 20:16:44,804 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 20:16:44,828 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 20:16:44,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 20:16:44,829 INFO L82 PathProgramCache]: Analyzing trace with hash -1986120983, now seen corresponding path program 1 times [2020-10-19 20:16:44,829 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 20:16:44,829 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1424313762] [2020-10-19 20:16:44,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 20:16:44,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 20:16:44,841 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 20:16:44,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 20:16:44,850 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 20:16:44,858 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 20:16:44,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 20:16:44,859 INFO L82 PathProgramCache]: Analyzing trace with hash -1111090104, now seen corresponding path program 1 times [2020-10-19 20:16:44,859 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 20:16:44,860 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [578387792] [2020-10-19 20:16:44,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 20:16:44,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 20:16:44,980 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 20:16:44,980 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [578387792] [2020-10-19 20:16:44,981 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 20:16:44,981 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 20:16:44,982 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [107044695] [2020-10-19 20:16:45,517 WARN L193 SmtUtils]: Spent 523.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 144 [2020-10-19 20:16:45,938 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 122 [2020-10-19 20:16:45,951 INFO L210 LassoAnalysis]: Preferences: [2020-10-19 20:16:45,951 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-19 20:16:45,952 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-19 20:16:45,952 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-19 20:16:45,952 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-10-19 20:16:45,952 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:16:45,952 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-19 20:16:45,952 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-19 20:16:45,953 INFO L133 ssoRankerPreferences]: Filename of dumped script: pals_lcr-var-start-time.6.2.ufo.BOUNDED-12.pals.c_Iteration4_Loop [2020-10-19 20:16:45,953 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-19 20:16:45,953 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-19 20:16:45,981 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 20:16:46,002 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 20:16:46,005 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 20:16:46,008 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 20:16:46,009 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 20:16:46,014 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 20:16:46,017 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 20:16:46,018 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 20:16:46,025 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 20:16:46,031 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 20:16:46,035 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 20:16:46,039 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 20:16:46,042 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 20:16:46,094 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 20:16:46,108 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 20:16:46,111 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 20:16:46,118 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 20:16:46,120 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 20:16:46,123 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 20:16:46,128 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 20:16:46,131 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 20:16:46,134 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 20:16:46,139 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 20:16:46,142 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 20:16:46,147 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 20:16:46,153 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 20:16:46,159 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 20:16:46,162 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 20:16:46,165 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 20:16:46,168 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 20:16:46,177 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 20:16:46,180 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 20:16:46,182 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 20:16:46,184 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 20:16:46,186 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 20:16:46,191 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 20:16:46,194 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 20:16:46,203 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 20:16:46,505 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2020-10-19 20:16:46,912 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2020-10-19 20:16:47,055 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-19 20:16:47,057 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) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:16:47,075 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-19 20:16:47,075 INFO L160 nArgumentSynthesizer]: Using integer mode. 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) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:16:47,112 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-10-19 20:16:47,113 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-10-19 20:16:47,237 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-10-19 20:16:47,239 INFO L210 LassoAnalysis]: Preferences: [2020-10-19 20:16:47,239 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-19 20:16:47,239 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-19 20:16:47,239 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-19 20:16:47,239 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-19 20:16:47,240 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:16:47,240 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-19 20:16:47,240 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-19 20:16:47,240 INFO L133 ssoRankerPreferences]: Filename of dumped script: pals_lcr-var-start-time.6.2.ufo.BOUNDED-12.pals.c_Iteration4_Loop [2020-10-19 20:16:47,240 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-19 20:16:47,240 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-19 20:16:47,246 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 20:16:47,260 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 20:16:47,263 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 20:16:47,266 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 20:16:47,270 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 20:16:47,272 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 20:16:47,274 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 20:16:47,276 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 20:16:47,279 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 20:16:47,282 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 20:16:47,288 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 20:16:47,290 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 20:16:47,293 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 20:16:47,298 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 20:16:47,301 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 20:16:47,304 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 20:16:47,305 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 20:16:47,312 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 20:16:47,316 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 20:16:47,318 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 20:16:47,377 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 20:16:47,380 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 20:16:47,385 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 20:16:47,389 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 20:16:47,394 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 20:16:47,401 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 20:16:47,410 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 20:16:47,417 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 20:16:47,420 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 20:16:47,425 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 20:16:47,428 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 20:16:47,431 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 20:16:47,434 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 20:16:47,437 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 20:16:47,439 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 20:16:47,445 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 20:16:47,447 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 20:16:47,449 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 20:16:47,758 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2020-10-19 20:16:48,218 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2020-10-19 20:16:48,324 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-19 20:16:48,330 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 20:16:48,340 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 20:16:48,342 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:16:48,342 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 20:16:48,343 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:16:48,343 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:16:48,343 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:16:48,346 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 20:16:48,346 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 20:16:48,351 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 20:16:48,373 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 20:16:48,375 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:16:48,375 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:16:48,375 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:16:48,375 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:16:48,379 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 20:16:48,379 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 20:16:48,388 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 20:16:48,422 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 20:16:48,423 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:16:48,423 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 20:16:48,423 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:16:48,423 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:16:48,423 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:16:48,424 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 20:16:48,424 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 20:16:48,425 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) [2020-10-19 20:16:48,453 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 20:16:48,455 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:16:48,455 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:16:48,455 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:16:48,455 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:16:48,456 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:16:48,456 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 20:16:48,456 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 20:16:48,457 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 20:16:48,485 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 20:16:48,487 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:16:48,487 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 20:16:48,487 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:16:48,487 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:16:48,487 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:16:48,488 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 20:16:48,489 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 20:16:48,491 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 20:16:48,517 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 20:16:48,518 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:16:48,518 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 20:16:48,519 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:16:48,519 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:16:48,519 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:16:48,519 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 20:16:48,519 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 20:16:48,522 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 20:16:48,547 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 20:16:48,548 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:16:48,548 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 20:16:48,549 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:16:48,549 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:16:48,549 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:16:48,549 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 20:16:48,549 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 20:16:48,555 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) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:16:48,583 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 20:16:48,584 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:16:48,585 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 20:16:48,585 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:16:48,585 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:16:48,585 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:16:48,586 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 20:16:48,586 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 20:16:48,588 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 20:16:48,609 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 20:16:48,616 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:16:48,616 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:16:48,616 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:16:48,616 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:16:48,618 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 20:16:48,618 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 20:16:48,625 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 20:16:48,647 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 20:16:48,648 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:16:48,649 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 20:16:48,649 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:16:48,649 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:16:48,649 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:16:48,650 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 20:16:48,650 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 20:16:48,653 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 20:16:48,675 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 20:16:48,676 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:16:48,676 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:16:48,677 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:16:48,677 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:16:48,678 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 20:16:48,679 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 20:16:48,682 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 20:16:48,706 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 20:16:48,707 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:16:48,708 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:16:48,708 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:16:48,708 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:16:48,710 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 20:16:48,710 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 20:16:48,714 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 20:16:48,740 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 20:16:48,741 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:16:48,741 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 20:16:48,741 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:16:48,741 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:16:48,741 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:16:48,744 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 20:16:48,744 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 20:16:48,747 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) [2020-10-19 20:16:48,771 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 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:16:48,773 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:16:48,773 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:16:48,773 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:16:48,774 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:16:48,775 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 20:16:48,775 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 20:16:48,780 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) Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:16:48,804 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 20:16:48,806 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:16:48,806 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 20:16:48,806 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:16:48,806 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:16:48,807 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:16:48,807 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 20:16:48,807 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 20:16:48,814 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 20:16:48,847 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 20:16:48,848 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:16:48,848 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 20:16:48,849 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:16:48,849 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:16:48,849 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:16:48,849 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 20:16:48,849 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 20:16:48,851 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) [2020-10-19 20:16:48,873 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 20:16:48,875 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:16:48,875 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 20:16:48,875 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:16:48,875 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:16:48,875 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:16:48,876 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 20:16:48,876 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 20:16:48,878 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 20:16:48,906 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 20:16:48,908 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:16:48,908 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 20:16:48,908 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:16:48,908 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:16:48,908 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:16:48,909 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 20:16:48,909 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 20:16:48,917 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) Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:16:48,954 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 20:16:48,955 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:16:48,955 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:16:48,955 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:16:48,955 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:16:48,957 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 20:16:48,957 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 20:16:48,960 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 20:16:48,983 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 20:16:48,985 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:16:48,985 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 20:16:48,986 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:16:48,986 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:16:48,986 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:16:48,993 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 20:16:48,993 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 20:16:48,999 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 24 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 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:16:49,026 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 20:16:49,028 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:16:49,028 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 20:16:49,028 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:16:49,028 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:16:49,028 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:16:49,029 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 20:16:49,029 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 20:16:49,030 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 25 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 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:16:49,052 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 20:16:49,053 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:16:49,053 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 20:16:49,053 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:16:49,053 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:16:49,053 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:16:49,054 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 20:16:49,054 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 20:16:49,056 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 26 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 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:16:49,079 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 20:16:49,081 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:16:49,081 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 20:16:49,081 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:16:49,081 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:16:49,082 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:16:49,082 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 20:16:49,082 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 20:16:49,089 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 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-19 20:16:49,121 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 20:16:49,123 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:16:49,123 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 20:16:49,123 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:16:49,123 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:16:49,123 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:16:49,124 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 20:16:49,124 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:16:49,126 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-19 20:16:49,131 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-10-19 20:16:49,131 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 28 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 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:16:49,135 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-10-19 20:16:49,135 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-10-19 20:16:49,136 INFO L510 LassoAnalysis]: Proved termination. [2020-10-19 20:16:49,136 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i2~0) = -2*ULTIMATE.start_main_~i2~0 + 23 Supporting invariants [] [2020-10-19 20:16:49,158 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-10-19 20:16:49,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 20:16:49,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 20:16:49,299 INFO L263 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-19 20:16:49,308 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 20:16:49,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 20:16:49,378 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-19 20:16:49,380 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 20:16:49,398 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 20:16:49,404 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 20:16:49,404 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 136 states and 189 transitions. cyclomatic complexity: 54 Second operand 3 states. [2020-10-19 20:16:49,468 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 136 states and 189 transitions. cyclomatic complexity: 54. Second operand 3 states. Result 225 states and 332 transitions. Complement of second has 4 states. [2020-10-19 20:16:49,469 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 20:16:49,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-19 20:16:49,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 189 transitions. [2020-10-19 20:16:49,471 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 189 transitions. Stem has 47 letters. Loop has 31 letters. [2020-10-19 20:16:49,473 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 20:16:49,473 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 189 transitions. Stem has 78 letters. Loop has 31 letters. [2020-10-19 20:16:49,474 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 20:16:49,475 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 189 transitions. Stem has 47 letters. Loop has 62 letters. [2020-10-19 20:16:49,476 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 20:16:49,476 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 225 states and 332 transitions. [2020-10-19 20:16:49,479 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-19 20:16:49,479 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 225 states to 0 states and 0 transitions. [2020-10-19 20:16:49,479 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-10-19 20:16:49,479 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-10-19 20:16:49,480 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-10-19 20:16:49,480 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-19 20:16:49,480 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-19 20:16:49,480 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-19 20:16:49,480 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 20:16:49,481 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 20:16:49,481 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 20:16:49,481 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 3 states. [2020-10-19 20:16:49,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 20:16:49,481 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-10-19 20:16:49,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-19 20:16:49,482 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2020-10-19 20:16:49,482 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-19 20:16:49,482 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2020-10-19 20:16:49,482 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-10-19 20:16:49,483 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-10-19 20:16:49,483 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-10-19 20:16:49,483 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-19 20:16:49,483 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-19 20:16:49,483 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-19 20:16:49,483 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-19 20:16:49,484 INFO L427 BuchiCegarLoop]: ======== Iteration 5============ [2020-10-19 20:16:49,484 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-10-19 20:16:49,484 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-19 20:16:49,484 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-10-19 20:16:49,491 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.10 08:16:49 BoogieIcfgContainer [2020-10-19 20:16:49,491 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-10-19 20:16:49,492 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-19 20:16:49,492 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-19 20:16:49,492 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-19 20:16:49,493 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 08:16:43" (3/4) ... [2020-10-19 20:16:49,496 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-19 20:16:49,496 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-19 20:16:49,498 INFO L168 Benchmark]: Toolchain (without parser) took 7716.94 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 329.3 MB). Free memory was 960.0 MB in the beginning and 1.0 GB in the end (delta: -82.9 MB). Peak memory consumption was 246.3 MB. Max. memory is 11.5 GB. [2020-10-19 20:16:49,499 INFO L168 Benchmark]: CDTParser took 0.30 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 20:16:49,499 INFO L168 Benchmark]: CACSL2BoogieTranslator took 571.70 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 954.6 MB in the beginning and 1.1 GB in the end (delta: -169.2 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. [2020-10-19 20:16:49,500 INFO L168 Benchmark]: Boogie Procedure Inliner took 70.79 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 20:16:49,501 INFO L168 Benchmark]: Boogie Preprocessor took 44.02 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: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. [2020-10-19 20:16:49,502 INFO L168 Benchmark]: RCFGBuilder took 820.40 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: 58.5 MB). Peak memory consumption was 58.5 MB. Max. memory is 11.5 GB. [2020-10-19 20:16:49,503 INFO L168 Benchmark]: BuchiAutomizer took 6193.88 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 194.5 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 14.1 MB). Peak memory consumption was 208.6 MB. Max. memory is 11.5 GB. [2020-10-19 20:16:49,503 INFO L168 Benchmark]: Witness Printer took 4.76 ms. Allocated memory is still 1.4 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-10-19 20:16:49,507 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 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 571.70 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 954.6 MB in the beginning and 1.1 GB in the end (delta: -169.2 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 70.79 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 44.02 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: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 820.40 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: 58.5 MB). Peak memory consumption was 58.5 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 6193.88 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 194.5 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 14.1 MB). Peak memory consumption was 208.6 MB. Max. memory is 11.5 GB. * Witness Printer took 4.76 ms. Allocated memory is still 1.4 GB. Free memory is still 1.0 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 5 terminating modules (4 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * i2 + 23 and consists of 3 locations. 4 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 6.1s and 5 iterations. TraceHistogramMax:1. Analysis of lassos took 5.3s. Construction of modules took 0.0s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 3. Minimization of det autom 5. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 136 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 843 SDtfs, 333 SDslu, 1347 SDs, 0 SdLazy, 26 SolverSat, 43 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc0 concLT1 SILN0 SILU0 SILI2 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital164 mio100 ax143 hnf110 lsp27 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq229 hnf85 smp100 dnf100 smp100 tf101 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 17ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...