./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/seq-mthreaded/pals_lcr.8.ufo.BOUNDED-16.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.8.ufo.BOUNDED-16.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 7a74e0655b0ab0c7036089605d9d5ac12c18c462 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 20:19:34,372 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-19 20:19:34,375 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-19 20:19:34,417 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-19 20:19:34,418 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-19 20:19:34,430 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-19 20:19:34,431 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-19 20:19:34,433 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-19 20:19:34,435 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-19 20:19:34,438 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-19 20:19:34,440 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-19 20:19:34,442 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-19 20:19:34,442 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-19 20:19:34,446 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-19 20:19:34,447 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-19 20:19:34,448 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-19 20:19:34,449 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-19 20:19:34,450 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-19 20:19:34,452 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-19 20:19:34,454 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-19 20:19:34,455 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-19 20:19:34,457 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-19 20:19:34,458 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-19 20:19:34,459 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-19 20:19:34,462 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-19 20:19:34,462 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-19 20:19:34,462 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-19 20:19:34,464 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-19 20:19:34,464 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-19 20:19:34,465 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-19 20:19:34,465 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-19 20:19:34,466 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-19 20:19:34,467 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-19 20:19:34,468 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-19 20:19:34,469 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-19 20:19:34,470 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-19 20:19:34,470 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-19 20:19:34,471 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-19 20:19:34,471 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-19 20:19:34,472 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-19 20:19:34,473 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-19 20:19:34,474 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-10-19 20:19:34,501 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-19 20:19:34,501 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-19 20:19:34,503 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-19 20:19:34,503 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-19 20:19:34,503 INFO L138 SettingsManager]: * Use SBE=true [2020-10-19 20:19:34,504 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-10-19 20:19:34,504 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-10-19 20:19:34,504 INFO L138 SettingsManager]: * Use old map elimination=false [2020-10-19 20:19:34,505 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-10-19 20:19:34,505 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-10-19 20:19:34,505 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-10-19 20:19:34,505 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-19 20:19:34,506 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-19 20:19:34,506 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-19 20:19:34,506 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-19 20:19:34,507 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-19 20:19:34,507 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-19 20:19:34,507 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-10-19 20:19:34,507 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-10-19 20:19:34,508 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-10-19 20:19:34,508 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-19 20:19:34,508 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-19 20:19:34,509 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-10-19 20:19:34,509 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-19 20:19:34,509 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-10-19 20:19:34,509 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-19 20:19:34,510 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-19 20:19:34,510 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-10-19 20:19:34,510 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-19 20:19:34,511 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-19 20:19:34,511 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-19 20:19:34,511 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-10-19 20:19:34,512 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-10-19 20:19:34,513 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 -> 7a74e0655b0ab0c7036089605d9d5ac12c18c462 [2020-10-19 20:19:34,881 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-19 20:19:34,902 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-19 20:19:34,907 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-19 20:19:34,912 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-19 20:19:34,913 INFO L275 PluginConnector]: CDTParser initialized [2020-10-19 20:19:34,914 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/pals_lcr.8.ufo.BOUNDED-16.pals.c [2020-10-19 20:19:34,998 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/635268560/c0f78b5cc83c4aa59c3ae274c4ee3f48/FLAG29c5ba20c [2020-10-19 20:19:35,560 INFO L306 CDTParser]: Found 1 translation units. [2020-10-19 20:19:35,561 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_lcr.8.ufo.BOUNDED-16.pals.c [2020-10-19 20:19:35,575 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/635268560/c0f78b5cc83c4aa59c3ae274c4ee3f48/FLAG29c5ba20c [2020-10-19 20:19:35,832 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/635268560/c0f78b5cc83c4aa59c3ae274c4ee3f48 [2020-10-19 20:19:35,837 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-19 20:19:35,844 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-19 20:19:35,845 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-19 20:19:35,846 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-19 20:19:35,849 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-19 20:19:35,851 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 08:19:35" (1/1) ... [2020-10-19 20:19:35,854 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@beb4028 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 08:19:35, skipping insertion in model container [2020-10-19 20:19:35,854 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 08:19:35" (1/1) ... [2020-10-19 20:19:35,863 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-19 20:19:35,936 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-19 20:19:36,219 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 20:19:36,304 INFO L203 MainTranslator]: Completed pre-run [2020-10-19 20:19:36,390 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 20:19:36,425 INFO L208 MainTranslator]: Completed translation [2020-10-19 20:19:36,426 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 08:19:36 WrapperNode [2020-10-19 20:19:36,428 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-19 20:19:36,430 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-19 20:19:36,430 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-19 20:19:36,431 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-19 20:19:36,441 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 08:19:36" (1/1) ... [2020-10-19 20:19:36,476 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 08:19:36" (1/1) ... [2020-10-19 20:19:36,527 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-19 20:19:36,528 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-19 20:19:36,528 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-19 20:19:36,528 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-19 20:19:36,540 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 08:19:36" (1/1) ... [2020-10-19 20:19:36,540 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 08:19:36" (1/1) ... [2020-10-19 20:19:36,546 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 08:19:36" (1/1) ... [2020-10-19 20:19:36,547 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 08:19:36" (1/1) ... [2020-10-19 20:19:36,559 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 08:19:36" (1/1) ... [2020-10-19 20:19:36,571 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 08:19:36" (1/1) ... [2020-10-19 20:19:36,576 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 08:19:36" (1/1) ... [2020-10-19 20:19:36,582 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-19 20:19:36,583 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-19 20:19:36,583 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-19 20:19:36,583 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-19 20:19:36,584 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 08:19:36" (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 20:19:36,672 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-19 20:19:36,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-19 20:19:36,673 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-19 20:19:36,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-19 20:19:37,569 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-19 20:19:37,570 INFO L298 CfgBuilder]: Removed 31 assume(true) statements. [2020-10-19 20:19:37,572 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 08:19:37 BoogieIcfgContainer [2020-10-19 20:19:37,572 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-19 20:19:37,573 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-10-19 20:19:37,573 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-10-19 20:19:37,577 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-10-19 20:19:37,578 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-19 20:19:37,579 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.10 08:19:35" (1/3) ... [2020-10-19 20:19:37,580 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@54d35be9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.10 08:19:37, skipping insertion in model container [2020-10-19 20:19:37,580 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-19 20:19:37,581 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 08:19:36" (2/3) ... [2020-10-19 20:19:37,581 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@54d35be9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.10 08:19:37, skipping insertion in model container [2020-10-19 20:19:37,581 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-19 20:19:37,582 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 08:19:37" (3/3) ... [2020-10-19 20:19:37,584 INFO L373 chiAutomizerObserver]: Analyzing ICFG pals_lcr.8.ufo.BOUNDED-16.pals.c [2020-10-19 20:19:37,635 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-10-19 20:19:37,636 INFO L360 BuchiCegarLoop]: Hoare is false [2020-10-19 20:19:37,636 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-10-19 20:19:37,636 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-19 20:19:37,637 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-19 20:19:37,637 INFO L364 BuchiCegarLoop]: Difference is false [2020-10-19 20:19:37,638 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-19 20:19:37,638 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-10-19 20:19:37,666 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 147 states. [2020-10-19 20:19:37,704 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 76 [2020-10-19 20:19:37,704 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-19 20:19:37,704 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-19 20:19:37,714 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2020-10-19 20:19:37,714 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, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 20:19:37,715 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-10-19 20:19:37,715 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 147 states. [2020-10-19 20:19:37,725 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 76 [2020-10-19 20:19:37,726 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-19 20:19:37,726 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-19 20:19:37,728 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2020-10-19 20:19:37,728 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, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 20:19:37,738 INFO L794 eck$LassoCheckResult]: Stem: 114#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(33);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;~p2~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~send2~0 := 0;~mode2~0 := 0;~p3~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~send3~0 := 0;~mode3~0 := 0;~p4~0 := 0;~p4_old~0 := 0;~p4_new~0 := 0;~id4~0 := 0;~st4~0 := 0;~send4~0 := 0;~mode4~0 := 0;~p5~0 := 0;~p5_old~0 := 0;~p5_new~0 := 0;~id5~0 := 0;~st5~0 := 0;~send5~0 := 0;~mode5~0 := 0;~p6~0 := 0;~p6_old~0 := 0;~p6_new~0 := 0;~id6~0 := 0;~st6~0 := 0;~send6~0 := 0;~mode6~0 := 0;~p7~0 := 0;~p7_old~0 := 0;~p7_new~0 := 0;~id7~0 := 0;~st7~0 := 0;~send7~0 := 0;~mode7~0 := 0;~p8~0 := 0;~p8_old~0 := 0;~p8_new~0 := 0;~id8~0 := 0;~st8~0 := 0;~send8~0 := 0;~mode8~0 := 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];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[6 := #funAddr~node7.base], ~nodes~0.offset[6 := #funAddr~node7.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[7 := #funAddr~node8.base], ~nodes~0.offset[7 := #funAddr~node8.offset]; 13#L-1true havoc main_#res;havoc main_#t~nondet15, main_#t~nondet16, main_#t~nondet17, main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~nondet21, main_#t~nondet22, main_#t~nondet23, main_#t~nondet24, main_#t~nondet25, main_#t~nondet26, main_#t~nondet27, main_#t~nondet28, main_#t~nondet29, main_#t~nondet30, main_#t~nondet31, main_#t~nondet32, main_#t~nondet33, main_#t~nondet34, main_#t~nondet35, main_#t~nondet36, main_#t~nondet37, main_#t~nondet38, main_#t~nondet39, main_#t~nondet40, main_#t~nondet41, main_#t~nondet42, main_#t~nondet43, main_#t~nondet44, main_#t~nondet45, main_#t~nondet46, main_#t~nondet47, main_#t~ret48, main_#t~ret49, main_#t~post50, main_~c1~0, main_~i2~0;havoc main_~c1~0;havoc main_~i2~0;main_~c1~0 := 0;~r1~0 := main_#t~nondet15;havoc main_#t~nondet15;~id1~0 := main_#t~nondet16;havoc main_#t~nondet16;~st1~0 := main_#t~nondet17;havoc main_#t~nondet17;~send1~0 := main_#t~nondet18;havoc main_#t~nondet18;~mode1~0 := main_#t~nondet19;havoc main_#t~nondet19;~id2~0 := main_#t~nondet20;havoc main_#t~nondet20;~st2~0 := main_#t~nondet21;havoc main_#t~nondet21;~send2~0 := main_#t~nondet22;havoc main_#t~nondet22;~mode2~0 := main_#t~nondet23;havoc main_#t~nondet23;~id3~0 := main_#t~nondet24;havoc main_#t~nondet24;~st3~0 := main_#t~nondet25;havoc main_#t~nondet25;~send3~0 := main_#t~nondet26;havoc main_#t~nondet26;~mode3~0 := main_#t~nondet27;havoc main_#t~nondet27;~id4~0 := main_#t~nondet28;havoc main_#t~nondet28;~st4~0 := main_#t~nondet29;havoc main_#t~nondet29;~send4~0 := main_#t~nondet30;havoc main_#t~nondet30;~mode4~0 := main_#t~nondet31;havoc main_#t~nondet31;~id5~0 := main_#t~nondet32;havoc main_#t~nondet32;~st5~0 := main_#t~nondet33;havoc main_#t~nondet33;~send5~0 := main_#t~nondet34;havoc main_#t~nondet34;~mode5~0 := main_#t~nondet35;havoc main_#t~nondet35;~id6~0 := main_#t~nondet36;havoc main_#t~nondet36;~st6~0 := main_#t~nondet37;havoc main_#t~nondet37;~send6~0 := main_#t~nondet38;havoc main_#t~nondet38;~mode6~0 := main_#t~nondet39;havoc main_#t~nondet39;~id7~0 := main_#t~nondet40;havoc main_#t~nondet40;~st7~0 := main_#t~nondet41;havoc main_#t~nondet41;~send7~0 := main_#t~nondet42;havoc main_#t~nondet42;~mode7~0 := main_#t~nondet43;havoc main_#t~nondet43;~id8~0 := main_#t~nondet44;havoc main_#t~nondet44;~st8~0 := main_#t~nondet45;havoc main_#t~nondet45;~send8~0 := main_#t~nondet46;havoc main_#t~nondet46;~mode8~0 := main_#t~nondet47;havoc main_#t~nondet47;havoc init_#res;havoc init_~tmp~0;havoc init_~tmp~0; 64#L342true assume !(0 == ~r1~0);init_~tmp~0 := 0; 66#L342-1true init_#res := init_~tmp~0; 65#L587true main_#t~ret48 := init_#res;main_~i2~0 := main_#t~ret48;havoc main_#t~ret48;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); 149#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;~p7_old~0 := ~nomsg~0;~p7_new~0 := ~nomsg~0;~p8_old~0 := ~nomsg~0;~p8_new~0 := ~nomsg~0;main_~i2~0 := 0; 105#L677-2true [2020-10-19 20:19:37,740 INFO L796 eck$LassoCheckResult]: Loop: 105#L677-2true assume !!(main_~i2~0 < 16);havoc node1_#t~ite7, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 29#L139true assume !(0 != ~mode1~0 % 256); 19#L153true assume ~send1~0 != ~nomsg~0 && ~p1_new~0 == ~nomsg~0;node1_#t~ite7 := ~send1~0; 17#L153-2true ~p1_new~0 := (if node1_#t~ite7 % 256 <= 127 then node1_#t~ite7 % 256 else node1_#t~ite7 % 256 - 256);havoc node1_#t~ite7;~mode1~0 := 1; 12#L139-2true havoc node2_#t~ite8, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 103#L165true assume 0 != ~mode2~0 % 256;node2_~m2~0 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 81#L168true assume !(node2_~m2~0 != ~nomsg~0); 79#L168-1true ~mode2~0 := 0; 116#L165-2true havoc node3_#t~ite9, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 82#L190true assume 0 != ~mode3~0 % 256;node3_~m3~0 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 88#L193true assume !(node3_~m3~0 != ~nomsg~0); 87#L193-1true ~mode3~0 := 0; 78#L190-2true havoc node4_#t~ite10, node4_~m4~0;havoc node4_~m4~0;node4_~m4~0 := ~nomsg~0; 92#L215true assume !(0 != ~mode4~0 % 256); 135#L228true assume ~send4~0 != ~nomsg~0 && ~p4_new~0 == ~nomsg~0;node4_#t~ite10 := ~send4~0; 134#L228-2true ~p4_new~0 := (if node4_#t~ite10 % 256 <= 127 then node4_#t~ite10 % 256 else node4_#t~ite10 % 256 - 256);havoc node4_#t~ite10;~mode4~0 := 1; 86#L215-2true havoc node5_#t~ite11, node5_~m5~0;havoc node5_~m5~0;node5_~m5~0 := ~nomsg~0; 58#L240true assume !(0 != ~mode5~0 % 256); 112#L253true assume ~send5~0 != ~nomsg~0 && ~p5_new~0 == ~nomsg~0;node5_#t~ite11 := ~send5~0; 108#L253-2true ~p5_new~0 := (if node5_#t~ite11 % 256 <= 127 then node5_#t~ite11 % 256 else node5_#t~ite11 % 256 - 256);havoc node5_#t~ite11;~mode5~0 := 1; 74#L240-2true havoc node6_#t~ite12, node6_~m6~0;havoc node6_~m6~0;node6_~m6~0 := ~nomsg~0; 47#L265true assume 0 != ~mode6~0 % 256;node6_~m6~0 := ~p5_old~0;~p5_old~0 := ~nomsg~0; 50#L268true assume !(node6_~m6~0 != ~nomsg~0); 49#L268-1true ~mode6~0 := 0; 44#L265-2true havoc node7_#t~ite13, node7_~m7~0;havoc node7_~m7~0;node7_~m7~0 := ~nomsg~0; 52#L290true assume 0 != ~mode7~0 % 256;node7_~m7~0 := ~p6_old~0;~p6_old~0 := ~nomsg~0; 21#L293true assume !(node7_~m7~0 != ~nomsg~0); 40#L293-1true ~mode7~0 := 0; 48#L290-2true havoc node8_#t~ite14, node8_~m8~0;havoc node8_~m8~0;node8_~m8~0 := ~nomsg~0; 39#L315true assume !(0 != ~mode8~0 % 256); 71#L328true assume ~send8~0 != ~nomsg~0 && ~p8_new~0 == ~nomsg~0;node8_#t~ite14 := ~send8~0; 73#L328-2true ~p8_new~0 := (if node8_#t~ite14 % 256 <= 127 then node8_#t~ite14 % 256 else node8_#t~ite14 % 256 - 256);havoc node8_#t~ite14;~mode8~0 := 1; 20#L315-2true ~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;~p7_old~0 := ~p7_new~0;~p7_new~0 := ~nomsg~0;~p8_old~0 := ~p8_new~0;~p8_new~0 := ~nomsg~0;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 70#L595true assume !(~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0 + ~st7~0 + ~st8~0 <= 1);check_~tmp~1 := 0; 72#L595-1true check_#res := check_~tmp~1; 35#L615true main_#t~ret49 := check_#res;main_~c1~0 := main_#t~ret49;havoc main_#t~ret49;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 80#L716true assume !(0 == assert_~arg % 256); 51#L711true main_#t~post50 := main_~i2~0;main_~i2~0 := 1 + main_#t~post50;havoc main_#t~post50; 105#L677-2true [2020-10-19 20:19:37,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 20:19:37,748 INFO L82 PathProgramCache]: Analyzing trace with hash -2144605008, now seen corresponding path program 1 times [2020-10-19 20:19:37,759 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 20:19:37,760 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [835861329] [2020-10-19 20:19:37,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 20:19:37,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 20:19:38,029 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 20:19:38,030 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [835861329] [2020-10-19 20:19:38,031 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 20:19:38,032 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-19 20:19:38,033 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2134536437] [2020-10-19 20:19:38,039 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-10-19 20:19:38,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 20:19:38,040 INFO L82 PathProgramCache]: Analyzing trace with hash -571392031, now seen corresponding path program 1 times [2020-10-19 20:19:38,040 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 20:19:38,041 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1643243934] [2020-10-19 20:19:38,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 20:19:38,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 20:19:38,285 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 20:19:38,286 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1643243934] [2020-10-19 20:19:38,286 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 20:19:38,287 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-19 20:19:38,287 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1988395639] [2020-10-19 20:19:38,289 INFO L811 eck$LassoCheckResult]: loop already infeasible [2020-10-19 20:19:38,292 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 20:19:38,308 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-19 20:19:38,309 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-19 20:19:38,311 INFO L87 Difference]: Start difference. First operand 147 states. Second operand 5 states. [2020-10-19 20:19:38,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 20:19:38,481 INFO L93 Difference]: Finished difference Result 149 states and 254 transitions. [2020-10-19 20:19:38,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-19 20:19:38,484 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 149 states and 254 transitions. [2020-10-19 20:19:38,490 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 74 [2020-10-19 20:19:38,498 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 149 states to 141 states and 186 transitions. [2020-10-19 20:19:38,500 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 141 [2020-10-19 20:19:38,501 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 141 [2020-10-19 20:19:38,504 INFO L73 IsDeterministic]: Start isDeterministic. Operand 141 states and 186 transitions. [2020-10-19 20:19:38,506 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-19 20:19:38,507 INFO L691 BuchiCegarLoop]: Abstraction has 141 states and 186 transitions. [2020-10-19 20:19:38,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states and 186 transitions. [2020-10-19 20:19:38,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 141. [2020-10-19 20:19:38,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2020-10-19 20:19:38,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 186 transitions. [2020-10-19 20:19:38,563 INFO L714 BuchiCegarLoop]: Abstraction has 141 states and 186 transitions. [2020-10-19 20:19:38,563 INFO L594 BuchiCegarLoop]: Abstraction has 141 states and 186 transitions. [2020-10-19 20:19:38,563 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-10-19 20:19:38,564 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 141 states and 186 transitions. [2020-10-19 20:19:38,575 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 74 [2020-10-19 20:19:38,575 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-19 20:19:38,575 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-19 20:19:38,582 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 20:19:38,583 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, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 20:19:38,587 INFO L794 eck$LassoCheckResult]: Stem: 449#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(33);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;~p2~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~send2~0 := 0;~mode2~0 := 0;~p3~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~send3~0 := 0;~mode3~0 := 0;~p4~0 := 0;~p4_old~0 := 0;~p4_new~0 := 0;~id4~0 := 0;~st4~0 := 0;~send4~0 := 0;~mode4~0 := 0;~p5~0 := 0;~p5_old~0 := 0;~p5_new~0 := 0;~id5~0 := 0;~st5~0 := 0;~send5~0 := 0;~mode5~0 := 0;~p6~0 := 0;~p6_old~0 := 0;~p6_new~0 := 0;~id6~0 := 0;~st6~0 := 0;~send6~0 := 0;~mode6~0 := 0;~p7~0 := 0;~p7_old~0 := 0;~p7_new~0 := 0;~id7~0 := 0;~st7~0 := 0;~send7~0 := 0;~mode7~0 := 0;~p8~0 := 0;~p8_old~0 := 0;~p8_new~0 := 0;~id8~0 := 0;~st8~0 := 0;~send8~0 := 0;~mode8~0 := 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];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[6 := #funAddr~node7.base], ~nodes~0.offset[6 := #funAddr~node7.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[7 := #funAddr~node8.base], ~nodes~0.offset[7 := #funAddr~node8.offset]; 337#L-1 havoc main_#res;havoc main_#t~nondet15, main_#t~nondet16, main_#t~nondet17, main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~nondet21, main_#t~nondet22, main_#t~nondet23, main_#t~nondet24, main_#t~nondet25, main_#t~nondet26, main_#t~nondet27, main_#t~nondet28, main_#t~nondet29, main_#t~nondet30, main_#t~nondet31, main_#t~nondet32, main_#t~nondet33, main_#t~nondet34, main_#t~nondet35, main_#t~nondet36, main_#t~nondet37, main_#t~nondet38, main_#t~nondet39, main_#t~nondet40, main_#t~nondet41, main_#t~nondet42, main_#t~nondet43, main_#t~nondet44, main_#t~nondet45, main_#t~nondet46, main_#t~nondet47, main_#t~ret48, main_#t~ret49, main_#t~post50, main_~c1~0, main_~i2~0;havoc main_~c1~0;havoc main_~i2~0;main_~c1~0 := 0;~r1~0 := main_#t~nondet15;havoc main_#t~nondet15;~id1~0 := main_#t~nondet16;havoc main_#t~nondet16;~st1~0 := main_#t~nondet17;havoc main_#t~nondet17;~send1~0 := main_#t~nondet18;havoc main_#t~nondet18;~mode1~0 := main_#t~nondet19;havoc main_#t~nondet19;~id2~0 := main_#t~nondet20;havoc main_#t~nondet20;~st2~0 := main_#t~nondet21;havoc main_#t~nondet21;~send2~0 := main_#t~nondet22;havoc main_#t~nondet22;~mode2~0 := main_#t~nondet23;havoc main_#t~nondet23;~id3~0 := main_#t~nondet24;havoc main_#t~nondet24;~st3~0 := main_#t~nondet25;havoc main_#t~nondet25;~send3~0 := main_#t~nondet26;havoc main_#t~nondet26;~mode3~0 := main_#t~nondet27;havoc main_#t~nondet27;~id4~0 := main_#t~nondet28;havoc main_#t~nondet28;~st4~0 := main_#t~nondet29;havoc main_#t~nondet29;~send4~0 := main_#t~nondet30;havoc main_#t~nondet30;~mode4~0 := main_#t~nondet31;havoc main_#t~nondet31;~id5~0 := main_#t~nondet32;havoc main_#t~nondet32;~st5~0 := main_#t~nondet33;havoc main_#t~nondet33;~send5~0 := main_#t~nondet34;havoc main_#t~nondet34;~mode5~0 := main_#t~nondet35;havoc main_#t~nondet35;~id6~0 := main_#t~nondet36;havoc main_#t~nondet36;~st6~0 := main_#t~nondet37;havoc main_#t~nondet37;~send6~0 := main_#t~nondet38;havoc main_#t~nondet38;~mode6~0 := main_#t~nondet39;havoc main_#t~nondet39;~id7~0 := main_#t~nondet40;havoc main_#t~nondet40;~st7~0 := main_#t~nondet41;havoc main_#t~nondet41;~send7~0 := main_#t~nondet42;havoc main_#t~nondet42;~mode7~0 := main_#t~nondet43;havoc main_#t~nondet43;~id8~0 := main_#t~nondet44;havoc main_#t~nondet44;~st8~0 := main_#t~nondet45;havoc main_#t~nondet45;~send8~0 := main_#t~nondet46;havoc main_#t~nondet46;~mode8~0 := main_#t~nondet47;havoc main_#t~nondet47;havoc init_#res;havoc init_~tmp~0;havoc init_~tmp~0; 338#L342 assume 0 == ~r1~0; 332#L343 assume ~id1~0 >= 0; 333#L344 assume 0 == ~st1~0; 385#L345 assume ~send1~0 == ~id1~0; 386#L346 assume 0 == ~mode1~0 % 256; 444#L347 assume ~id2~0 >= 0; 377#L348 assume 0 == ~st2~0; 378#L349 assume ~send2~0 == ~id2~0; 423#L350 assume 0 == ~mode2~0 % 256; 362#L351 assume ~id3~0 >= 0; 363#L352 assume 0 == ~st3~0; 417#L353 assume ~send3~0 == ~id3~0; 327#L354 assume 0 == ~mode3~0 % 256; 328#L355 assume ~id4~0 >= 0; 383#L356 assume 0 == ~st4~0; 384#L357 assume ~send4~0 == ~id4~0; 443#L358 assume 0 == ~mode4~0 % 256; 374#L359 assume ~id5~0 >= 0; 375#L360 assume 0 == ~st5~0; 422#L361 assume ~send5~0 == ~id5~0; 357#L362 assume 0 == ~mode5~0 % 256; 358#L363 assume ~id6~0 >= 0; 416#L364 assume 0 == ~st6~0; 325#L365 assume ~send6~0 == ~id6~0; 326#L366 assume 0 == ~mode6~0 % 256; 408#L367 assume ~id7~0 >= 0; 409#L368 assume 0 == ~st7~0; 442#L369 assume ~send7~0 == ~id7~0; 370#L370 assume 0 == ~mode7~0 % 256; 371#L371 assume ~id8~0 >= 0; 421#L372 assume 0 == ~st8~0; 355#L373 assume ~send8~0 == ~id8~0; 356#L374 assume 0 == ~mode8~0 % 256; 415#L375 assume ~id1~0 != ~id2~0; 323#L376 assume ~id1~0 != ~id3~0; 324#L377 assume ~id1~0 != ~id4~0; 406#L378 assume ~id1~0 != ~id5~0; 407#L379 assume ~id1~0 != ~id6~0; 441#L380 assume ~id1~0 != ~id7~0; 368#L381 assume ~id1~0 != ~id8~0; 369#L382 assume ~id2~0 != ~id3~0; 437#L383 assume ~id2~0 != ~id4~0; 351#L384 assume ~id2~0 != ~id5~0; 352#L385 assume ~id2~0 != ~id6~0; 414#L386 assume ~id2~0 != ~id7~0; 318#L387 assume ~id2~0 != ~id8~0; 319#L388 assume ~id3~0 != ~id4~0; 404#L389 assume ~id3~0 != ~id5~0; 405#L390 assume ~id3~0 != ~id6~0; 439#L391 assume ~id3~0 != ~id7~0; 364#L392 assume ~id3~0 != ~id8~0; 365#L393 assume ~id4~0 != ~id5~0; 435#L394 assume ~id4~0 != ~id6~0; 349#L395 assume ~id4~0 != ~id7~0; 350#L396 assume ~id4~0 != ~id8~0; 413#L397 assume ~id5~0 != ~id6~0; 316#L398 assume ~id5~0 != ~id7~0; 317#L399 assume ~id5~0 != ~id8~0; 402#L400 assume ~id6~0 != ~id7~0; 403#L401 assume ~id6~0 != ~id8~0; 438#L402 assume ~id7~0 != ~id8~0;init_~tmp~0 := 1; 420#L342-1 init_#res := init_~tmp~0; 418#L587 main_#t~ret48 := init_#res;main_~i2~0 := main_#t~ret48;havoc main_#t~ret48;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; 419#L69 assume !(0 == assume_abort_if_not_~cond); 427#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;~p7_old~0 := ~nomsg~0;~p7_new~0 := ~nomsg~0;~p8_old~0 := ~nomsg~0;~p8_new~0 := ~nomsg~0;main_~i2~0 := 0; 400#L677-2 [2020-10-19 20:19:38,587 INFO L796 eck$LassoCheckResult]: Loop: 400#L677-2 assume !!(main_~i2~0 < 16);havoc node1_#t~ite7, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 366#L139 assume !(0 != ~mode1~0 % 256); 344#L153 assume ~send1~0 != ~nomsg~0 && ~p1_new~0 == ~nomsg~0;node1_#t~ite7 := ~send1~0; 343#L153-2 ~p1_new~0 := (if node1_#t~ite7 % 256 <= 127 then node1_#t~ite7 % 256 else node1_#t~ite7 % 256 - 256);havoc node1_#t~ite7;~mode1~0 := 1; 334#L139-2 havoc node2_#t~ite8, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 335#L165 assume !(0 != ~mode2~0 % 256); 445#L178 assume !(~send2~0 != ~nomsg~0 && ~p2_new~0 == ~nomsg~0);node2_#t~ite8 := ~p2_new~0; 453#L178-2 ~p2_new~0 := (if node2_#t~ite8 % 256 <= 127 then node2_#t~ite8 % 256 else node2_#t~ite8 % 256 - 256);havoc node2_#t~ite8;~mode2~0 := 1; 430#L165-2 havoc node3_#t~ite9, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 432#L190 assume 0 != ~mode3~0 % 256;node3_~m3~0 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 433#L193 assume !(node3_~m3~0 != ~nomsg~0); 315#L193-1 ~mode3~0 := 0; 428#L190-2 havoc node4_#t~ite10, node4_~m4~0;havoc node4_~m4~0;node4_~m4~0 := ~nomsg~0; 429#L215 assume !(0 != ~mode4~0 % 256); 440#L228 assume ~send4~0 != ~nomsg~0 && ~p4_new~0 == ~nomsg~0;node4_#t~ite10 := ~send4~0; 452#L228-2 ~p4_new~0 := (if node4_#t~ite10 % 256 <= 127 then node4_#t~ite10 % 256 else node4_#t~ite10 % 256 - 256);havoc node4_#t~ite10;~mode4~0 := 1; 425#L215-2 havoc node5_#t~ite11, node5_~m5~0;havoc node5_~m5~0;node5_~m5~0 := ~nomsg~0; 411#L240 assume 0 != ~mode5~0 % 256;node5_~m5~0 := ~p4_old~0;~p4_old~0 := ~nomsg~0; 392#L243 assume !(node5_~m5~0 != ~nomsg~0); 390#L243-1 ~mode5~0 := 0; 391#L240-2 havoc node6_#t~ite12, node6_~m6~0;havoc node6_~m6~0;node6_~m6~0 := ~nomsg~0; 394#L265 assume 0 != ~mode6~0 % 256;node6_~m6~0 := ~p5_old~0;~p5_old~0 := ~nomsg~0; 395#L268 assume !(node6_~m6~0 != ~nomsg~0); 397#L268-1 ~mode6~0 := 0; 388#L265-2 havoc node7_#t~ite13, node7_~m7~0;havoc node7_~m7~0;node7_~m7~0 := ~nomsg~0; 389#L290 assume !(0 != ~mode7~0 % 256); 401#L303 assume ~send7~0 != ~nomsg~0 && ~p7_new~0 == ~nomsg~0;node7_#t~ite13 := ~send7~0; 426#L303-2 ~p7_new~0 := (if node7_#t~ite13 % 256 <= 127 then node7_#t~ite13 % 256 else node7_#t~ite13 % 256 - 256);havoc node7_#t~ite13;~mode7~0 := 1; 382#L290-2 havoc node8_#t~ite14, node8_~m8~0;havoc node8_~m8~0;node8_~m8~0 := ~nomsg~0; 380#L315 assume 0 != ~mode8~0 % 256;node8_~m8~0 := ~p7_old~0;~p7_old~0 := ~nomsg~0; 339#L318 assume !(node8_~m8~0 != ~nomsg~0); 341#L318-1 ~mode8~0 := 0; 342#L315-2 ~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;~p7_old~0 := ~p7_new~0;~p7_new~0 := ~nomsg~0;~p8_old~0 := ~p8_new~0;~p8_new~0 := ~nomsg~0;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 345#L595 assume !(~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0 + ~st7~0 + ~st8~0 <= 1);check_~tmp~1 := 0; 330#L595-1 check_#res := check_~tmp~1; 372#L615 main_#t~ret49 := check_#res;main_~c1~0 := main_#t~ret49;havoc main_#t~ret49;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 373#L716 assume !(0 == assert_~arg % 256); 399#L711 main_#t~post50 := main_~i2~0;main_~i2~0 := 1 + main_#t~post50;havoc main_#t~post50; 400#L677-2 [2020-10-19 20:19:38,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 20:19:38,588 INFO L82 PathProgramCache]: Analyzing trace with hash 354076320, now seen corresponding path program 1 times [2020-10-19 20:19:38,588 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 20:19:38,589 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [740973773] [2020-10-19 20:19:38,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 20:19:38,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 20:19:38,692 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 20:19:38,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 20:19:38,741 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 20:19:38,805 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 20:19:38,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 20:19:38,806 INFO L82 PathProgramCache]: Analyzing trace with hash 2010715039, now seen corresponding path program 1 times [2020-10-19 20:19:38,806 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 20:19:38,806 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [930105532] [2020-10-19 20:19:38,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 20:19:38,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 20:19:38,904 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 20:19:38,904 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [930105532] [2020-10-19 20:19:38,905 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 20:19:38,905 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-19 20:19:38,905 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602950716] [2020-10-19 20:19:38,906 INFO L811 eck$LassoCheckResult]: loop already infeasible [2020-10-19 20:19:38,906 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 20:19:38,906 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-19 20:19:38,907 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-19 20:19:38,907 INFO L87 Difference]: Start difference. First operand 141 states and 186 transitions. cyclomatic complexity: 46 Second operand 5 states. [2020-10-19 20:19:38,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 20:19:38,961 INFO L93 Difference]: Finished difference Result 144 states and 188 transitions. [2020-10-19 20:19:38,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-19 20:19:38,963 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 144 states and 188 transitions. [2020-10-19 20:19:38,965 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 74 [2020-10-19 20:19:38,967 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 144 states to 141 states and 183 transitions. [2020-10-19 20:19:38,967 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 141 [2020-10-19 20:19:38,968 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 141 [2020-10-19 20:19:38,968 INFO L73 IsDeterministic]: Start isDeterministic. Operand 141 states and 183 transitions. [2020-10-19 20:19:38,969 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-19 20:19:38,970 INFO L691 BuchiCegarLoop]: Abstraction has 141 states and 183 transitions. [2020-10-19 20:19:38,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states and 183 transitions. [2020-10-19 20:19:38,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 141. [2020-10-19 20:19:38,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2020-10-19 20:19:38,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 183 transitions. [2020-10-19 20:19:38,979 INFO L714 BuchiCegarLoop]: Abstraction has 141 states and 183 transitions. [2020-10-19 20:19:38,979 INFO L594 BuchiCegarLoop]: Abstraction has 141 states and 183 transitions. [2020-10-19 20:19:38,979 INFO L427 BuchiCegarLoop]: ======== Iteration 3============ [2020-10-19 20:19:38,979 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 141 states and 183 transitions. [2020-10-19 20:19:38,981 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 74 [2020-10-19 20:19:38,981 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-19 20:19:38,982 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-19 20:19:38,984 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 20:19:38,984 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 20:19:38,985 INFO L794 eck$LassoCheckResult]: Stem: 746#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(33);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;~p2~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~send2~0 := 0;~mode2~0 := 0;~p3~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~send3~0 := 0;~mode3~0 := 0;~p4~0 := 0;~p4_old~0 := 0;~p4_new~0 := 0;~id4~0 := 0;~st4~0 := 0;~send4~0 := 0;~mode4~0 := 0;~p5~0 := 0;~p5_old~0 := 0;~p5_new~0 := 0;~id5~0 := 0;~st5~0 := 0;~send5~0 := 0;~mode5~0 := 0;~p6~0 := 0;~p6_old~0 := 0;~p6_new~0 := 0;~id6~0 := 0;~st6~0 := 0;~send6~0 := 0;~mode6~0 := 0;~p7~0 := 0;~p7_old~0 := 0;~p7_new~0 := 0;~id7~0 := 0;~st7~0 := 0;~send7~0 := 0;~mode7~0 := 0;~p8~0 := 0;~p8_old~0 := 0;~p8_new~0 := 0;~id8~0 := 0;~st8~0 := 0;~send8~0 := 0;~mode8~0 := 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];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[6 := #funAddr~node7.base], ~nodes~0.offset[6 := #funAddr~node7.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[7 := #funAddr~node8.base], ~nodes~0.offset[7 := #funAddr~node8.offset]; 633#L-1 havoc main_#res;havoc main_#t~nondet15, main_#t~nondet16, main_#t~nondet17, main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~nondet21, main_#t~nondet22, main_#t~nondet23, main_#t~nondet24, main_#t~nondet25, main_#t~nondet26, main_#t~nondet27, main_#t~nondet28, main_#t~nondet29, main_#t~nondet30, main_#t~nondet31, main_#t~nondet32, main_#t~nondet33, main_#t~nondet34, main_#t~nondet35, main_#t~nondet36, main_#t~nondet37, main_#t~nondet38, main_#t~nondet39, main_#t~nondet40, main_#t~nondet41, main_#t~nondet42, main_#t~nondet43, main_#t~nondet44, main_#t~nondet45, main_#t~nondet46, main_#t~nondet47, main_#t~ret48, main_#t~ret49, main_#t~post50, main_~c1~0, main_~i2~0;havoc main_~c1~0;havoc main_~i2~0;main_~c1~0 := 0;~r1~0 := main_#t~nondet15;havoc main_#t~nondet15;~id1~0 := main_#t~nondet16;havoc main_#t~nondet16;~st1~0 := main_#t~nondet17;havoc main_#t~nondet17;~send1~0 := main_#t~nondet18;havoc main_#t~nondet18;~mode1~0 := main_#t~nondet19;havoc main_#t~nondet19;~id2~0 := main_#t~nondet20;havoc main_#t~nondet20;~st2~0 := main_#t~nondet21;havoc main_#t~nondet21;~send2~0 := main_#t~nondet22;havoc main_#t~nondet22;~mode2~0 := main_#t~nondet23;havoc main_#t~nondet23;~id3~0 := main_#t~nondet24;havoc main_#t~nondet24;~st3~0 := main_#t~nondet25;havoc main_#t~nondet25;~send3~0 := main_#t~nondet26;havoc main_#t~nondet26;~mode3~0 := main_#t~nondet27;havoc main_#t~nondet27;~id4~0 := main_#t~nondet28;havoc main_#t~nondet28;~st4~0 := main_#t~nondet29;havoc main_#t~nondet29;~send4~0 := main_#t~nondet30;havoc main_#t~nondet30;~mode4~0 := main_#t~nondet31;havoc main_#t~nondet31;~id5~0 := main_#t~nondet32;havoc main_#t~nondet32;~st5~0 := main_#t~nondet33;havoc main_#t~nondet33;~send5~0 := main_#t~nondet34;havoc main_#t~nondet34;~mode5~0 := main_#t~nondet35;havoc main_#t~nondet35;~id6~0 := main_#t~nondet36;havoc main_#t~nondet36;~st6~0 := main_#t~nondet37;havoc main_#t~nondet37;~send6~0 := main_#t~nondet38;havoc main_#t~nondet38;~mode6~0 := main_#t~nondet39;havoc main_#t~nondet39;~id7~0 := main_#t~nondet40;havoc main_#t~nondet40;~st7~0 := main_#t~nondet41;havoc main_#t~nondet41;~send7~0 := main_#t~nondet42;havoc main_#t~nondet42;~mode7~0 := main_#t~nondet43;havoc main_#t~nondet43;~id8~0 := main_#t~nondet44;havoc main_#t~nondet44;~st8~0 := main_#t~nondet45;havoc main_#t~nondet45;~send8~0 := main_#t~nondet46;havoc main_#t~nondet46;~mode8~0 := main_#t~nondet47;havoc main_#t~nondet47;havoc init_#res;havoc init_~tmp~0;havoc init_~tmp~0; 634#L342 assume 0 == ~r1~0; 628#L343 assume ~id1~0 >= 0; 629#L344 assume 0 == ~st1~0; 682#L345 assume ~send1~0 == ~id1~0; 683#L346 assume 0 == ~mode1~0 % 256; 741#L347 assume ~id2~0 >= 0; 674#L348 assume 0 == ~st2~0; 675#L349 assume ~send2~0 == ~id2~0; 720#L350 assume 0 == ~mode2~0 % 256; 658#L351 assume ~id3~0 >= 0; 659#L352 assume 0 == ~st3~0; 714#L353 assume ~send3~0 == ~id3~0; 624#L354 assume 0 == ~mode3~0 % 256; 625#L355 assume ~id4~0 >= 0; 680#L356 assume 0 == ~st4~0; 681#L357 assume ~send4~0 == ~id4~0; 740#L358 assume 0 == ~mode4~0 % 256; 670#L359 assume ~id5~0 >= 0; 671#L360 assume 0 == ~st5~0; 719#L361 assume ~send5~0 == ~id5~0; 656#L362 assume 0 == ~mode5~0 % 256; 657#L363 assume ~id6~0 >= 0; 713#L364 assume 0 == ~st6~0; 622#L365 assume ~send6~0 == ~id6~0; 623#L366 assume 0 == ~mode6~0 % 256; 705#L367 assume ~id7~0 >= 0; 706#L368 assume 0 == ~st7~0; 739#L369 assume ~send7~0 == ~id7~0; 666#L370 assume 0 == ~mode7~0 % 256; 667#L371 assume ~id8~0 >= 0; 718#L372 assume 0 == ~st8~0; 651#L373 assume ~send8~0 == ~id8~0; 652#L374 assume 0 == ~mode8~0 % 256; 712#L375 assume ~id1~0 != ~id2~0; 620#L376 assume ~id1~0 != ~id3~0; 621#L377 assume ~id1~0 != ~id4~0; 703#L378 assume ~id1~0 != ~id5~0; 704#L379 assume ~id1~0 != ~id6~0; 738#L380 assume ~id1~0 != ~id7~0; 664#L381 assume ~id1~0 != ~id8~0; 665#L382 assume ~id2~0 != ~id3~0; 734#L383 assume ~id2~0 != ~id4~0; 649#L384 assume ~id2~0 != ~id5~0; 650#L385 assume ~id2~0 != ~id6~0; 711#L386 assume ~id2~0 != ~id7~0; 615#L387 assume ~id2~0 != ~id8~0; 616#L388 assume ~id3~0 != ~id4~0; 701#L389 assume ~id3~0 != ~id5~0; 702#L390 assume ~id3~0 != ~id6~0; 736#L391 assume ~id3~0 != ~id7~0; 660#L392 assume ~id3~0 != ~id8~0; 661#L393 assume ~id4~0 != ~id5~0; 732#L394 assume ~id4~0 != ~id6~0; 645#L395 assume ~id4~0 != ~id7~0; 646#L396 assume ~id4~0 != ~id8~0; 710#L397 assume ~id5~0 != ~id6~0; 611#L398 assume ~id5~0 != ~id7~0; 612#L399 assume ~id5~0 != ~id8~0; 699#L400 assume ~id6~0 != ~id7~0; 700#L401 assume ~id6~0 != ~id8~0; 735#L402 assume ~id7~0 != ~id8~0;init_~tmp~0 := 1; 717#L342-1 init_#res := init_~tmp~0; 715#L587 main_#t~ret48 := init_#res;main_~i2~0 := main_#t~ret48;havoc main_#t~ret48;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; 716#L69 assume !(0 == assume_abort_if_not_~cond); 724#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;~p7_old~0 := ~nomsg~0;~p7_new~0 := ~nomsg~0;~p8_old~0 := ~nomsg~0;~p8_new~0 := ~nomsg~0;main_~i2~0 := 0; 697#L677-2 [2020-10-19 20:19:38,985 INFO L796 eck$LassoCheckResult]: Loop: 697#L677-2 assume !!(main_~i2~0 < 16);havoc node1_#t~ite7, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 662#L139 assume !(0 != ~mode1~0 % 256); 640#L153 assume ~send1~0 != ~nomsg~0 && ~p1_new~0 == ~nomsg~0;node1_#t~ite7 := ~send1~0; 639#L153-2 ~p1_new~0 := (if node1_#t~ite7 % 256 <= 127 then node1_#t~ite7 % 256 else node1_#t~ite7 % 256 - 256);havoc node1_#t~ite7;~mode1~0 := 1; 630#L139-2 havoc node2_#t~ite8, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 631#L165 assume !(0 != ~mode2~0 % 256); 742#L178 assume !(~send2~0 != ~nomsg~0 && ~p2_new~0 == ~nomsg~0);node2_#t~ite8 := ~p2_new~0; 750#L178-2 ~p2_new~0 := (if node2_#t~ite8 % 256 <= 127 then node2_#t~ite8 % 256 else node2_#t~ite8 % 256 - 256);havoc node2_#t~ite8;~mode2~0 := 1; 727#L165-2 havoc node3_#t~ite9, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 729#L190 assume 0 != ~mode3~0 % 256;node3_~m3~0 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 730#L193 assume !(node3_~m3~0 != ~nomsg~0); 614#L193-1 ~mode3~0 := 0; 725#L190-2 havoc node4_#t~ite10, node4_~m4~0;havoc node4_~m4~0;node4_~m4~0 := ~nomsg~0; 726#L215 assume !(0 != ~mode4~0 % 256); 737#L228 assume ~send4~0 != ~nomsg~0 && ~p4_new~0 == ~nomsg~0;node4_#t~ite10 := ~send4~0; 749#L228-2 ~p4_new~0 := (if node4_#t~ite10 % 256 <= 127 then node4_#t~ite10 % 256 else node4_#t~ite10 % 256 - 256);havoc node4_#t~ite10;~mode4~0 := 1; 722#L215-2 havoc node5_#t~ite11, node5_~m5~0;havoc node5_~m5~0;node5_~m5~0 := ~nomsg~0; 708#L240 assume 0 != ~mode5~0 % 256;node5_~m5~0 := ~p4_old~0;~p4_old~0 := ~nomsg~0; 689#L243 assume !(node5_~m5~0 != ~nomsg~0); 687#L243-1 ~mode5~0 := 0; 688#L240-2 havoc node6_#t~ite12, node6_~m6~0;havoc node6_~m6~0;node6_~m6~0 := ~nomsg~0; 691#L265 assume 0 != ~mode6~0 % 256;node6_~m6~0 := ~p5_old~0;~p5_old~0 := ~nomsg~0; 692#L268 assume !(node6_~m6~0 != ~nomsg~0); 694#L268-1 ~mode6~0 := 0; 685#L265-2 havoc node7_#t~ite13, node7_~m7~0;havoc node7_~m7~0;node7_~m7~0 := ~nomsg~0; 686#L290 assume 0 != ~mode7~0 % 256;node7_~m7~0 := ~p6_old~0;~p6_old~0 := ~nomsg~0; 642#L293 assume !(node7_~m7~0 != ~nomsg~0); 643#L293-1 ~mode7~0 := 0; 679#L290-2 havoc node8_#t~ite14, node8_~m8~0;havoc node8_~m8~0;node8_~m8~0 := ~nomsg~0; 677#L315 assume !(0 != ~mode8~0 % 256); 678#L328 assume ~send8~0 != ~nomsg~0 && ~p8_new~0 == ~nomsg~0;node8_#t~ite14 := ~send8~0; 721#L328-2 ~p8_new~0 := (if node8_#t~ite14 % 256 <= 127 then node8_#t~ite14 % 256 else node8_#t~ite14 % 256 - 256);havoc node8_#t~ite14;~mode8~0 := 1; 638#L315-2 ~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;~p7_old~0 := ~p7_new~0;~p7_new~0 := ~nomsg~0;~p8_old~0 := ~p8_new~0;~p8_new~0 := ~nomsg~0;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 641#L595 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0 + ~st7~0 + ~st8~0 <= 1; 632#L596 assume ~r1~0 >= 8; 627#L600 assume ~r1~0 < 8;check_~tmp~1 := 1; 673#L595-1 check_#res := check_~tmp~1; 668#L615 main_#t~ret49 := check_#res;main_~c1~0 := main_#t~ret49;havoc main_#t~ret49;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 669#L716 assume !(0 == assert_~arg % 256); 696#L711 main_#t~post50 := main_~i2~0;main_~i2~0 := 1 + main_#t~post50;havoc main_#t~post50; 697#L677-2 [2020-10-19 20:19:38,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 20:19:38,986 INFO L82 PathProgramCache]: Analyzing trace with hash 354076320, now seen corresponding path program 2 times [2020-10-19 20:19:38,986 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 20:19:38,987 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1791401074] [2020-10-19 20:19:38,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 20:19:39,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 20:19:39,033 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 20:19:39,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 20:19:39,099 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 20:19:39,149 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 20:19:39,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 20:19:39,150 INFO L82 PathProgramCache]: Analyzing trace with hash -2097801169, now seen corresponding path program 1 times [2020-10-19 20:19:39,151 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 20:19:39,151 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1419672476] [2020-10-19 20:19:39,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 20:19:39,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 20:19:39,201 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 20:19:39,202 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1419672476] [2020-10-19 20:19:39,202 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 20:19:39,202 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 20:19:39,202 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [179098954] [2020-10-19 20:19:39,203 INFO L811 eck$LassoCheckResult]: loop already infeasible [2020-10-19 20:19:39,204 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 20:19:39,204 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 20:19:39,204 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 20:19:39,204 INFO L87 Difference]: Start difference. First operand 141 states and 183 transitions. cyclomatic complexity: 43 Second operand 3 states. [2020-10-19 20:19:39,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 20:19:39,235 INFO L93 Difference]: Finished difference Result 209 states and 288 transitions. [2020-10-19 20:19:39,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-19 20:19:39,236 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 209 states and 288 transitions. [2020-10-19 20:19:39,240 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 142 [2020-10-19 20:19:39,242 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 209 states to 209 states and 288 transitions. [2020-10-19 20:19:39,243 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 209 [2020-10-19 20:19:39,243 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 209 [2020-10-19 20:19:39,244 INFO L73 IsDeterministic]: Start isDeterministic. Operand 209 states and 288 transitions. [2020-10-19 20:19:39,245 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-19 20:19:39,245 INFO L691 BuchiCegarLoop]: Abstraction has 209 states and 288 transitions. [2020-10-19 20:19:39,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states and 288 transitions. [2020-10-19 20:19:39,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 209. [2020-10-19 20:19:39,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 209 states. [2020-10-19 20:19:39,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 288 transitions. [2020-10-19 20:19:39,257 INFO L714 BuchiCegarLoop]: Abstraction has 209 states and 288 transitions. [2020-10-19 20:19:39,257 INFO L594 BuchiCegarLoop]: Abstraction has 209 states and 288 transitions. [2020-10-19 20:19:39,257 INFO L427 BuchiCegarLoop]: ======== Iteration 4============ [2020-10-19 20:19:39,257 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 209 states and 288 transitions. [2020-10-19 20:19:39,260 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 142 [2020-10-19 20:19:39,260 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-19 20:19:39,260 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-19 20:19:39,262 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 20:19:39,262 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-19 20:19:39,263 INFO L794 eck$LassoCheckResult]: Stem: 1103#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(33);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;~p2~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~send2~0 := 0;~mode2~0 := 0;~p3~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~send3~0 := 0;~mode3~0 := 0;~p4~0 := 0;~p4_old~0 := 0;~p4_new~0 := 0;~id4~0 := 0;~st4~0 := 0;~send4~0 := 0;~mode4~0 := 0;~p5~0 := 0;~p5_old~0 := 0;~p5_new~0 := 0;~id5~0 := 0;~st5~0 := 0;~send5~0 := 0;~mode5~0 := 0;~p6~0 := 0;~p6_old~0 := 0;~p6_new~0 := 0;~id6~0 := 0;~st6~0 := 0;~send6~0 := 0;~mode6~0 := 0;~p7~0 := 0;~p7_old~0 := 0;~p7_new~0 := 0;~id7~0 := 0;~st7~0 := 0;~send7~0 := 0;~mode7~0 := 0;~p8~0 := 0;~p8_old~0 := 0;~p8_new~0 := 0;~id8~0 := 0;~st8~0 := 0;~send8~0 := 0;~mode8~0 := 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];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[6 := #funAddr~node7.base], ~nodes~0.offset[6 := #funAddr~node7.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[7 := #funAddr~node8.base], ~nodes~0.offset[7 := #funAddr~node8.offset]; 988#L-1 havoc main_#res;havoc main_#t~nondet15, main_#t~nondet16, main_#t~nondet17, main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~nondet21, main_#t~nondet22, main_#t~nondet23, main_#t~nondet24, main_#t~nondet25, main_#t~nondet26, main_#t~nondet27, main_#t~nondet28, main_#t~nondet29, main_#t~nondet30, main_#t~nondet31, main_#t~nondet32, main_#t~nondet33, main_#t~nondet34, main_#t~nondet35, main_#t~nondet36, main_#t~nondet37, main_#t~nondet38, main_#t~nondet39, main_#t~nondet40, main_#t~nondet41, main_#t~nondet42, main_#t~nondet43, main_#t~nondet44, main_#t~nondet45, main_#t~nondet46, main_#t~nondet47, main_#t~ret48, main_#t~ret49, main_#t~post50, main_~c1~0, main_~i2~0;havoc main_~c1~0;havoc main_~i2~0;main_~c1~0 := 0;~r1~0 := main_#t~nondet15;havoc main_#t~nondet15;~id1~0 := main_#t~nondet16;havoc main_#t~nondet16;~st1~0 := main_#t~nondet17;havoc main_#t~nondet17;~send1~0 := main_#t~nondet18;havoc main_#t~nondet18;~mode1~0 := main_#t~nondet19;havoc main_#t~nondet19;~id2~0 := main_#t~nondet20;havoc main_#t~nondet20;~st2~0 := main_#t~nondet21;havoc main_#t~nondet21;~send2~0 := main_#t~nondet22;havoc main_#t~nondet22;~mode2~0 := main_#t~nondet23;havoc main_#t~nondet23;~id3~0 := main_#t~nondet24;havoc main_#t~nondet24;~st3~0 := main_#t~nondet25;havoc main_#t~nondet25;~send3~0 := main_#t~nondet26;havoc main_#t~nondet26;~mode3~0 := main_#t~nondet27;havoc main_#t~nondet27;~id4~0 := main_#t~nondet28;havoc main_#t~nondet28;~st4~0 := main_#t~nondet29;havoc main_#t~nondet29;~send4~0 := main_#t~nondet30;havoc main_#t~nondet30;~mode4~0 := main_#t~nondet31;havoc main_#t~nondet31;~id5~0 := main_#t~nondet32;havoc main_#t~nondet32;~st5~0 := main_#t~nondet33;havoc main_#t~nondet33;~send5~0 := main_#t~nondet34;havoc main_#t~nondet34;~mode5~0 := main_#t~nondet35;havoc main_#t~nondet35;~id6~0 := main_#t~nondet36;havoc main_#t~nondet36;~st6~0 := main_#t~nondet37;havoc main_#t~nondet37;~send6~0 := main_#t~nondet38;havoc main_#t~nondet38;~mode6~0 := main_#t~nondet39;havoc main_#t~nondet39;~id7~0 := main_#t~nondet40;havoc main_#t~nondet40;~st7~0 := main_#t~nondet41;havoc main_#t~nondet41;~send7~0 := main_#t~nondet42;havoc main_#t~nondet42;~mode7~0 := main_#t~nondet43;havoc main_#t~nondet43;~id8~0 := main_#t~nondet44;havoc main_#t~nondet44;~st8~0 := main_#t~nondet45;havoc main_#t~nondet45;~send8~0 := main_#t~nondet46;havoc main_#t~nondet46;~mode8~0 := main_#t~nondet47;havoc main_#t~nondet47;havoc init_#res;havoc init_~tmp~0;havoc init_~tmp~0; 989#L342 assume 0 == ~r1~0; 982#L343 assume ~id1~0 >= 0; 983#L344 assume 0 == ~st1~0; 1039#L345 assume ~send1~0 == ~id1~0; 1040#L346 assume 0 == ~mode1~0 % 256; 1098#L347 assume ~id2~0 >= 0; 1029#L348 assume 0 == ~st2~0; 1030#L349 assume ~send2~0 == ~id2~0; 1077#L350 assume 0 == ~mode2~0 % 256; 1015#L351 assume ~id3~0 >= 0; 1016#L352 assume 0 == ~st3~0; 1071#L353 assume ~send3~0 == ~id3~0; 980#L354 assume 0 == ~mode3~0 % 256; 981#L355 assume ~id4~0 >= 0; 1037#L356 assume 0 == ~st4~0; 1038#L357 assume ~send4~0 == ~id4~0; 1097#L358 assume 0 == ~mode4~0 % 256; 1025#L359 assume ~id5~0 >= 0; 1026#L360 assume 0 == ~st5~0; 1076#L361 assume ~send5~0 == ~id5~0; 1010#L362 assume 0 == ~mode5~0 % 256; 1011#L363 assume ~id6~0 >= 0; 1070#L364 assume 0 == ~st6~0; 978#L365 assume ~send6~0 == ~id6~0; 979#L366 assume 0 == ~mode6~0 % 256; 1062#L367 assume ~id7~0 >= 0; 1063#L368 assume 0 == ~st7~0; 1096#L369 assume ~send7~0 == ~id7~0; 1023#L370 assume 0 == ~mode7~0 % 256; 1024#L371 assume ~id8~0 >= 0; 1075#L372 assume 0 == ~st8~0; 1008#L373 assume ~send8~0 == ~id8~0; 1009#L374 assume 0 == ~mode8~0 % 256; 1069#L375 assume ~id1~0 != ~id2~0; 973#L376 assume ~id1~0 != ~id3~0; 974#L377 assume ~id1~0 != ~id4~0; 1060#L378 assume ~id1~0 != ~id5~0; 1061#L379 assume ~id1~0 != ~id6~0; 1094#L380 assume ~id1~0 != ~id7~0; 1021#L381 assume ~id1~0 != ~id8~0; 1022#L382 assume ~id2~0 != ~id3~0; 1090#L383 assume ~id2~0 != ~id4~0; 1004#L384 assume ~id2~0 != ~id5~0; 1005#L385 assume ~id2~0 != ~id6~0; 1068#L386 assume ~id2~0 != ~id7~0; 971#L387 assume ~id2~0 != ~id8~0; 972#L388 assume ~id3~0 != ~id4~0; 1058#L389 assume ~id3~0 != ~id5~0; 1059#L390 assume ~id3~0 != ~id6~0; 1093#L391 assume ~id3~0 != ~id7~0; 1017#L392 assume ~id3~0 != ~id8~0; 1018#L393 assume ~id4~0 != ~id5~0; 1089#L394 assume ~id4~0 != ~id6~0; 1002#L395 assume ~id4~0 != ~id7~0; 1003#L396 assume ~id4~0 != ~id8~0; 1067#L397 assume ~id5~0 != ~id6~0; 967#L398 assume ~id5~0 != ~id7~0; 968#L399 assume ~id5~0 != ~id8~0; 1056#L400 assume ~id6~0 != ~id7~0; 1057#L401 assume ~id6~0 != ~id8~0; 1092#L402 assume ~id7~0 != ~id8~0;init_~tmp~0 := 1; 1074#L342-1 init_#res := init_~tmp~0; 1072#L587 main_#t~ret48 := init_#res;main_~i2~0 := main_#t~ret48;havoc main_#t~ret48;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; 1073#L69 assume !(0 == assume_abort_if_not_~cond); 1081#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;~p7_old~0 := ~nomsg~0;~p7_new~0 := ~nomsg~0;~p8_old~0 := ~nomsg~0;~p8_new~0 := ~nomsg~0;main_~i2~0 := 0; 1110#L677-2 [2020-10-19 20:19:39,263 INFO L796 eck$LassoCheckResult]: Loop: 1110#L677-2 assume !!(main_~i2~0 < 16);havoc node1_#t~ite7, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 1171#L139 assume !(0 != ~mode1~0 % 256); 1170#L153 assume ~send1~0 != ~nomsg~0 && ~p1_new~0 == ~nomsg~0;node1_#t~ite7 := ~send1~0; 1169#L153-2 ~p1_new~0 := (if node1_#t~ite7 % 256 <= 127 then node1_#t~ite7 % 256 else node1_#t~ite7 % 256 - 256);havoc node1_#t~ite7;~mode1~0 := 1; 1104#L139-2 havoc node2_#t~ite8, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 1168#L165 assume 0 != ~mode2~0 % 256;node2_~m2~0 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 1165#L168 assume !(node2_~m2~0 != ~nomsg~0); 1163#L168-1 ~mode2~0 := 0; 1161#L165-2 havoc node3_#t~ite9, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 1160#L190 assume 0 != ~mode3~0 % 256;node3_~m3~0 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 1157#L193 assume !(node3_~m3~0 != ~nomsg~0); 1155#L193-1 ~mode3~0 := 0; 1153#L190-2 havoc node4_#t~ite10, node4_~m4~0;havoc node4_~m4~0;node4_~m4~0 := ~nomsg~0; 1152#L215 assume 0 != ~mode4~0 % 256;node4_~m4~0 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 1149#L218 assume !(node4_~m4~0 != ~nomsg~0); 1147#L218-1 ~mode4~0 := 0; 1145#L215-2 havoc node5_#t~ite11, node5_~m5~0;havoc node5_~m5~0;node5_~m5~0 := ~nomsg~0; 1144#L240 assume 0 != ~mode5~0 % 256;node5_~m5~0 := ~p4_old~0;~p4_old~0 := ~nomsg~0; 1142#L243 assume !(node5_~m5~0 != ~nomsg~0); 1139#L243-1 ~mode5~0 := 0; 1137#L240-2 havoc node6_#t~ite12, node6_~m6~0;havoc node6_~m6~0;node6_~m6~0 := ~nomsg~0; 1136#L265 assume 0 != ~mode6~0 % 256;node6_~m6~0 := ~p5_old~0;~p5_old~0 := ~nomsg~0; 1134#L268 assume !(node6_~m6~0 != ~nomsg~0); 1131#L268-1 ~mode6~0 := 0; 1129#L265-2 havoc node7_#t~ite13, node7_~m7~0;havoc node7_~m7~0;node7_~m7~0 := ~nomsg~0; 1128#L290 assume 0 != ~mode7~0 % 256;node7_~m7~0 := ~p6_old~0;~p6_old~0 := ~nomsg~0; 1126#L293 assume !(node7_~m7~0 != ~nomsg~0); 1123#L293-1 ~mode7~0 := 0; 1121#L290-2 havoc node8_#t~ite14, node8_~m8~0;havoc node8_~m8~0;node8_~m8~0 := ~nomsg~0; 1120#L315 assume 0 != ~mode8~0 % 256;node8_~m8~0 := ~p7_old~0;~p7_old~0 := ~nomsg~0; 1118#L318 assume !(node8_~m8~0 != ~nomsg~0); 1115#L318-1 ~mode8~0 := 0; 1113#L315-2 ~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;~p7_old~0 := ~p7_new~0;~p7_new~0 := ~nomsg~0;~p8_old~0 := ~p8_new~0;~p8_new~0 := ~nomsg~0;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 1112#L595 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0 + ~st7~0 + ~st8~0 <= 1; 1111#L596 assume !(~r1~0 >= 8); 984#L599 assume 0 == ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 + ~st6~0 + ~st7~0 + ~st8~0; 985#L600 assume ~r1~0 < 8;check_~tmp~1 := 1; 1175#L595-1 check_#res := check_~tmp~1; 1174#L615 main_#t~ret49 := check_#res;main_~c1~0 := main_#t~ret49;havoc main_#t~ret49;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 1173#L716 assume !(0 == assert_~arg % 256); 1172#L711 main_#t~post50 := main_~i2~0;main_~i2~0 := 1 + main_#t~post50;havoc main_#t~post50; 1110#L677-2 [2020-10-19 20:19:39,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 20:19:39,264 INFO L82 PathProgramCache]: Analyzing trace with hash 354076320, now seen corresponding path program 3 times [2020-10-19 20:19:39,264 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 20:19:39,265 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [210048838] [2020-10-19 20:19:39,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 20:19:39,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 20:19:39,295 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 20:19:39,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 20:19:39,324 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 20:19:39,349 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 20:19:39,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 20:19:39,350 INFO L82 PathProgramCache]: Analyzing trace with hash -1336028871, now seen corresponding path program 1 times [2020-10-19 20:19:39,351 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 20:19:39,351 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [913008823] [2020-10-19 20:19:39,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 20:19:39,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 20:19:39,365 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 20:19:39,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 20:19:39,377 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 20:19:39,385 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 20:19:39,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 20:19:39,386 INFO L82 PathProgramCache]: Analyzing trace with hash 2138425722, now seen corresponding path program 1 times [2020-10-19 20:19:39,387 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 20:19:39,387 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [654723517] [2020-10-19 20:19:39,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 20:19:39,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 20:19:39,511 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 20:19:39,511 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [654723517] [2020-10-19 20:19:39,512 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 20:19:39,512 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 20:19:39,512 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1376475233] [2020-10-19 20:19:40,414 WARN L193 SmtUtils]: Spent 891.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 196 [2020-10-19 20:19:41,113 WARN L193 SmtUtils]: Spent 667.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 166 [2020-10-19 20:19:41,140 INFO L210 LassoAnalysis]: Preferences: [2020-10-19 20:19:41,141 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-19 20:19:41,141 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-19 20:19:41,141 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-19 20:19:41,141 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-10-19 20:19:41,141 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:19:41,141 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-19 20:19:41,141 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-19 20:19:41,142 INFO L133 ssoRankerPreferences]: Filename of dumped script: pals_lcr.8.ufo.BOUNDED-16.pals.c_Iteration4_Loop [2020-10-19 20:19:41,142 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-19 20:19:41,142 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-19 20:19:41,199 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 20:19:41,220 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 20:19:41,223 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 20:19:41,225 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 20:19:41,228 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 20:19:41,234 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 20:19:41,237 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 20:19:41,239 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:19:41,240 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 20:19:41,247 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 20:19:41,250 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 20:19:41,256 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 20:19:41,261 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 20:19:41,264 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 20:19:41,266 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 20:19:41,273 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 20:19:41,288 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 20:19:41,291 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 20:19:41,293 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 20:19:41,296 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 20:19:41,298 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 20:19:41,310 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 20:19:41,312 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 20:19:41,318 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 20:19:41,325 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 20:19:41,331 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 20:19:41,555 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 85 [2020-10-19 20:19:41,556 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:19:41,561 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 20:19:41,565 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:19:41,568 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 20:19:41,571 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 20:19:41,577 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 20:19:41,580 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 20:19:41,584 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 20:19:41,590 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 20:19:41,600 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 20:19:41,603 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 20:19:41,606 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 20:19:41,609 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 20:19:41,613 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 20:19:42,247 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2020-10-19 20:19:45,326 WARN L193 SmtUtils]: Spent 2.80 s on a formula simplification. DAG size of input: 135 DAG size of output: 131 [2020-10-19 20:19:45,458 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-19 20:19:45,459 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-19 20:19:45,471 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-19 20:19:45,471 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:19:45,501 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-10-19 20:19:45,501 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-10-19 20:19:45,611 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-10-19 20:19:45,613 INFO L210 LassoAnalysis]: Preferences: [2020-10-19 20:19:45,613 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-19 20:19:45,613 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-19 20:19:45,613 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-19 20:19:45,614 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-19 20:19:45,614 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:19:45,614 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-19 20:19:45,614 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-19 20:19:45,614 INFO L133 ssoRankerPreferences]: Filename of dumped script: pals_lcr.8.ufo.BOUNDED-16.pals.c_Iteration4_Loop [2020-10-19 20:19:45,614 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-19 20:19:45,615 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-19 20:19:45,620 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 20:19:45,629 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 20:19:45,636 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 20:19:45,639 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 20:19:45,642 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 20:19:45,645 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 20:19:45,650 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 20:19:45,652 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 20:19:45,655 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 20:19:45,658 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 20:19:45,664 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 20:19:45,667 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 20:19:45,671 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 20:19:45,673 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 20:19:45,675 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 20:19:45,681 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 20:19:45,683 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 20:19:45,686 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 20:19:45,688 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 20:19:45,689 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 20:19:45,693 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 20:19:45,699 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 20:19:45,702 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 20:19:45,708 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 20:19:45,715 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 20:19:45,719 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 20:19:45,722 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 20:19:45,732 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 20:19:45,737 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 20:19:45,741 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 20:19:45,744 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 20:19:45,746 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 20:19:45,753 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 20:19:45,755 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 20:19:45,762 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 20:19:45,767 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 20:19:45,774 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 20:19:45,972 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 85 [2020-10-19 20:19:45,973 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 20:19:45,977 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 20:19:45,982 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 20:19:46,639 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2020-10-19 20:19:49,624 WARN L193 SmtUtils]: Spent 2.77 s on a formula simplification. DAG size of input: 135 DAG size of output: 131 [2020-10-19 20:19:49,669 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-19 20:19:49,674 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 20:19:49,678 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 20:19:49,680 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:19:49,680 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 20:19:49,681 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:19:49,681 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:19:49,681 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:19:49,683 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 20:19:49,683 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 20:19:49,685 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 20:19:49,717 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 20:19:49,719 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:19:49,719 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 20:19:49,719 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:19:49,719 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:19:49,720 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:19:49,724 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 20:19:49,725 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 20:19:49,730 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 20:19:49,754 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 20:19:49,755 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:19:49,755 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:19:49,755 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:19:49,756 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:19:49,760 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 20:19:49,760 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 20:19:49,767 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:19:49,814 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 20:19:49,815 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:19:49,815 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 20:19:49,816 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:19:49,816 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:19:49,816 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:19:49,816 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 20:19:49,817 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 20:19:49,818 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 20:19:49,841 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 20:19:49,842 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:19:49,843 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 20:19:49,843 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:19:49,843 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:19:49,843 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:19:49,845 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 20:19:49,846 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 20:19:49,849 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 20:19:49,872 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 20:19:49,874 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:19:49,874 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 20:19:49,875 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:19:49,875 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:19:49,875 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:19:49,876 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 20:19:49,876 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 20:19:49,881 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 20:19:49,904 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 20:19:49,905 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:19:49,905 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 20:19:49,905 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:19:49,905 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:19:49,905 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:19:49,906 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 20:19:49,906 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 20:19:49,907 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 20:19:49,932 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 20:19:49,934 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:19:49,934 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 20:19:49,934 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:19:49,934 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:19:49,934 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:19:49,935 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 20:19:49,935 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 20:19:49,936 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 20:19:49,959 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 20:19:49,960 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:19:49,960 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:19:49,960 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:19:49,961 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:19:49,962 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 20:19:49,962 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 20:19:49,966 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 20:19:49,993 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 20:19:49,995 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:19:49,995 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 20:19:49,995 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:19:49,995 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:19:49,995 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:19:49,996 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 20:19:49,996 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 20:19:49,998 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 20:19:50,021 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 20:19:50,022 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:19:50,022 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:19:50,022 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:19:50,023 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:19:50,024 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 20:19:50,025 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 20:19:50,032 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 20:19:50,056 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 20:19:50,057 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:19:50,058 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:19:50,058 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:19:50,058 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:19:50,060 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 20:19:50,060 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 20:19:50,063 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) [2020-10-19 20:19:50,086 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 20:19:50,088 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:19:50,088 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 20:19:50,088 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:19:50,088 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:19:50,089 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:19:50,089 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 20:19:50,089 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:19:50,091 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:19:50,113 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 20:19:50,114 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:19:50,114 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 20:19:50,114 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:19:50,114 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:19:50,115 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:19:50,115 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 20:19:50,115 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 20:19:50,116 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 20:19:50,138 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 20:19:50,139 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:19:50,139 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 20:19:50,139 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:19:50,139 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:19:50,139 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:19:50,140 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 20:19:50,140 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 20:19:50,142 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 20:19:50,165 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 20:19:50,166 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:19:50,167 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:19:50,167 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:19:50,167 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:19:50,168 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 20:19:50,168 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 20:19:50,171 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 20:19:50,204 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 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:19:50,206 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:19:50,206 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:19:50,206 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:19:50,206 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:19:50,207 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 20:19:50,208 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 20:19:50,220 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 20:19:50,244 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 20:19:50,245 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:19:50,245 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 20:19:50,246 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:19:50,246 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:19:50,246 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:19:50,246 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 20:19:50,247 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 20:19:50,248 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 20:19:50,272 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 20:19:50,273 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:19:50,274 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 20:19:50,274 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:19:50,274 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:19:50,274 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:19:50,274 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 20:19:50,274 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 20:19:50,275 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 20:19:50,299 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 20:19:50,301 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:19:50,301 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:19:50,301 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:19:50,301 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:19:50,302 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-19 20:19:50,302 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-19 20:19:50,306 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 20:19:50,328 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 20:19:50,329 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:19:50,329 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 20:19:50,329 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:19:50,329 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:19:50,329 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:19:50,331 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 20:19:50,331 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 20:19:50,334 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 20:19:50,356 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 20:19:50,358 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:19:50,358 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 20:19:50,358 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:19:50,358 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:19:50,358 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:19:50,358 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 20:19:50,358 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 20:19:50,360 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 20:19:50,382 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 20:19:50,383 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 20:19:50,383 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 20:19:50,383 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 20:19:50,383 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 20:19:50,383 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 20:19:50,385 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 20:19:50,385 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 20:19:50,387 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-19 20:19:50,398 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-10-19 20:19:50,398 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 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-19 20:19:50,403 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-10-19 20:19:50,403 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-10-19 20:19:50,404 INFO L510 LassoAnalysis]: Proved termination. [2020-10-19 20:19:50,405 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i2~0) = -2*ULTIMATE.start_main_~i2~0 + 31 Supporting invariants [] Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 20:19:50,454 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-10-19 20:19:50,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 20:19:50,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 20:19:50,561 INFO L263 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-19 20:19:50,564 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 20:19:50,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 20:19:50,604 INFO L263 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-19 20:19:50,606 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 20:19:50,623 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 20:19:50,628 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 20:19:50,629 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 209 states and 288 transitions. cyclomatic complexity: 80 Second operand 3 states. [2020-10-19 20:19:50,688 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 209 states and 288 transitions. cyclomatic complexity: 80. Second operand 3 states. Result 350 states and 509 transitions. Complement of second has 4 states. [2020-10-19 20:19:50,689 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 20:19:50,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-19 20:19:50,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 183 transitions. [2020-10-19 20:19:50,692 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 183 transitions. Stem has 67 letters. Loop has 41 letters. [2020-10-19 20:19:50,694 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 20:19:50,694 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 183 transitions. Stem has 108 letters. Loop has 41 letters. [2020-10-19 20:19:50,696 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 20:19:50,696 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 183 transitions. Stem has 67 letters. Loop has 82 letters. [2020-10-19 20:19:50,697 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 20:19:50,697 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 350 states and 509 transitions. [2020-10-19 20:19:50,701 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-19 20:19:50,702 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 350 states to 0 states and 0 transitions. [2020-10-19 20:19:50,702 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-10-19 20:19:50,702 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-10-19 20:19:50,702 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-10-19 20:19:50,702 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-19 20:19:50,702 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-19 20:19:50,702 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-19 20:19:50,702 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 20:19:50,703 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 20:19:50,703 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 20:19:50,703 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 3 states. [2020-10-19 20:19:50,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 20:19:50,703 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-10-19 20:19:50,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-19 20:19:50,704 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2020-10-19 20:19:50,704 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-19 20:19:50,704 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2020-10-19 20:19:50,704 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-10-19 20:19:50,704 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-10-19 20:19:50,704 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-10-19 20:19:50,704 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-19 20:19:50,704 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-19 20:19:50,704 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-19 20:19:50,705 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-19 20:19:50,705 INFO L427 BuchiCegarLoop]: ======== Iteration 5============ [2020-10-19 20:19:50,705 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-10-19 20:19:50,705 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-19 20:19:50,705 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-10-19 20:19:50,712 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.10 08:19:50 BoogieIcfgContainer [2020-10-19 20:19:50,712 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-10-19 20:19:50,712 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-19 20:19:50,712 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-19 20:19:50,713 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-19 20:19:50,713 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 08:19:37" (3/4) ... [2020-10-19 20:19:50,716 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-19 20:19:50,717 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-19 20:19:50,718 INFO L168 Benchmark]: Toolchain (without parser) took 14880.04 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 407.4 MB). Free memory was 951.9 MB in the beginning and 1.0 GB in the end (delta: -78.6 MB). Peak memory consumption was 328.8 MB. Max. memory is 11.5 GB. [2020-10-19 20:19:50,719 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-10-19 20:19:50,720 INFO L168 Benchmark]: CACSL2BoogieTranslator took 583.41 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.8 MB). Free memory was 946.5 MB in the beginning and 1.1 GB in the end (delta: -168.2 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. [2020-10-19 20:19:50,720 INFO L168 Benchmark]: Boogie Procedure Inliner took 97.56 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: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 11.5 GB. [2020-10-19 20:19:50,721 INFO L168 Benchmark]: Boogie Preprocessor took 54.42 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-10-19 20:19:50,721 INFO L168 Benchmark]: RCFGBuilder took 989.79 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 64.8 MB). Peak memory consumption was 64.8 MB. Max. memory is 11.5 GB. [2020-10-19 20:19:50,722 INFO L168 Benchmark]: BuchiAutomizer took 13138.83 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 281.5 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 11.1 MB). Peak memory consumption was 292.7 MB. Max. memory is 11.5 GB. [2020-10-19 20:19:50,722 INFO L168 Benchmark]: Witness Printer took 4.39 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 20:19:50,726 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 583.41 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.8 MB). Free memory was 946.5 MB in the beginning and 1.1 GB in the end (delta: -168.2 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 97.56 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: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 54.42 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 989.79 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 64.8 MB). Peak memory consumption was 64.8 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 13138.83 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 281.5 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 11.1 MB). Peak memory consumption was 292.7 MB. Max. memory is 11.5 GB. * Witness Printer took 4.39 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 + 31 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 13.0s and 5 iterations. TraceHistogramMax:1. Analysis of lassos took 12.2s. Construction of modules took 0.1s. Büchi inclusion checks took 0.3s. 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 209 states and ocurred in iteration 3. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 895 SDtfs, 290 SDslu, 1519 SDs, 0 SdLazy, 36 SolverSat, 66 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont0 unkn0 SFLI2 SFLT0 conc0 concLT1 SILN0 SILU0 SILI1 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital234 mio100 ax141 hnf109 lsp40 ukn83 mio100 lsp100 div125 bol100 ite100 ukn100 eq200 hnf78 smp100 dnf734 smp49 tf100 neg99 sie101 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 15ms 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...