./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 9a8b2e8d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a7cb177ba27a808d7e4bd86e225219a38bac79cc ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-9a8b2e8 [2020-10-20 08:08:58,344 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 08:08:58,346 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 08:08:58,369 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 08:08:58,369 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 08:08:58,370 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 08:08:58,372 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 08:08:58,373 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 08:08:58,375 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 08:08:58,376 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 08:08:58,377 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 08:08:58,378 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 08:08:58,378 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 08:08:58,379 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 08:08:58,380 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 08:08:58,381 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 08:08:58,382 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 08:08:58,394 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 08:08:58,395 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 08:08:58,397 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 08:08:58,399 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 08:08:58,400 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 08:08:58,401 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 08:08:58,402 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 08:08:58,404 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 08:08:58,404 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 08:08:58,404 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 08:08:58,405 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 08:08:58,406 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 08:08:58,406 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 08:08:58,407 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 08:08:58,407 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 08:08:58,408 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 08:08:58,409 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 08:08:58,410 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 08:08:58,410 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 08:08:58,411 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 08:08:58,411 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 08:08:58,411 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 08:08:58,412 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 08:08:58,412 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 08:08:58,413 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-10-20 08:08:58,438 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 08:08:58,439 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 08:08:58,440 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 08:08:58,440 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 08:08:58,440 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 08:08:58,441 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-10-20 08:08:58,441 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-10-20 08:08:58,441 INFO L138 SettingsManager]: * Use old map elimination=false [2020-10-20 08:08:58,441 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-10-20 08:08:58,441 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-10-20 08:08:58,442 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-10-20 08:08:58,442 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 08:08:58,442 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 08:08:58,442 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-20 08:08:58,442 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 08:08:58,443 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 08:08:58,443 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 08:08:58,443 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-10-20 08:08:58,443 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-10-20 08:08:58,443 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-10-20 08:08:58,443 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 08:08:58,444 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 08:08:58,444 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-10-20 08:08:58,444 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 08:08:58,444 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-10-20 08:08:58,445 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 08:08:58,445 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 08:08:58,445 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-10-20 08:08:58,445 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 08:08:58,445 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 08:08:58,446 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 08:08:58,446 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-10-20 08:08:58,447 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-10-20 08:08:58,447 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 -> a7cb177ba27a808d7e4bd86e225219a38bac79cc [2020-10-20 08:08:58,655 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 08:08:58,668 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 08:08:58,671 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 08:08:58,673 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 08:08:58,674 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 08:08:58,675 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c [2020-10-20 08:08:58,758 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a902a0da5/caef692a5f84444baab8ff5dc2561a56/FLAG1c092d301 [2020-10-20 08:08:59,371 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 08:08:59,371 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c [2020-10-20 08:08:59,382 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a902a0da5/caef692a5f84444baab8ff5dc2561a56/FLAG1c092d301 [2020-10-20 08:08:59,721 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a902a0da5/caef692a5f84444baab8ff5dc2561a56 [2020-10-20 08:08:59,726 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 08:08:59,735 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 08:08:59,738 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 08:08:59,738 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 08:08:59,741 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 08:08:59,742 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 08:08:59" (1/1) ... [2020-10-20 08:08:59,746 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2936de78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 08:08:59, skipping insertion in model container [2020-10-20 08:08:59,746 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 08:08:59" (1/1) ... [2020-10-20 08:08:59,755 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 08:08:59,796 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 08:09:00,124 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 08:09:00,137 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 08:09:00,197 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 08:09:00,219 INFO L208 MainTranslator]: Completed translation [2020-10-20 08:09:00,220 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 08:09:00 WrapperNode [2020-10-20 08:09:00,220 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 08:09:00,221 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 08:09:00,221 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 08:09:00,221 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 08:09:00,231 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 08:09:00" (1/1) ... [2020-10-20 08:09:00,244 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 08:09:00" (1/1) ... [2020-10-20 08:09:00,297 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 08:09:00,297 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 08:09:00,297 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 08:09:00,298 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 08:09:00,307 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 08:09:00" (1/1) ... [2020-10-20 08:09:00,307 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 08:09:00" (1/1) ... [2020-10-20 08:09:00,311 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 08:09:00" (1/1) ... [2020-10-20 08:09:00,311 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 08:09:00" (1/1) ... [2020-10-20 08:09:00,320 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 08:09:00" (1/1) ... [2020-10-20 08:09:00,328 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 08:09:00" (1/1) ... [2020-10-20 08:09:00,331 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 08:09:00" (1/1) ... [2020-10-20 08:09:00,336 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 08:09:00,336 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 08:09:00,337 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 08:09:00,337 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 08:09:00,338 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 08:09:00" (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 [2020-10-20 08:09:00,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-20 08:09:00,414 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 08:09:00,414 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 08:09:00,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 08:09:01,100 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 08:09:01,101 INFO L298 CfgBuilder]: Removed 25 assume(true) statements. [2020-10-20 08:09:01,106 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 08:09:01 BoogieIcfgContainer [2020-10-20 08:09:01,106 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 08:09:01,106 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-10-20 08:09:01,107 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-10-20 08:09:01,110 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-10-20 08:09:01,111 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 08:09:01,111 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.10 08:08:59" (1/3) ... [2020-10-20 08:09:01,112 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@45d20111 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.10 08:09:01, skipping insertion in model container [2020-10-20 08:09:01,112 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 08:09:01,112 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 08:09:00" (2/3) ... [2020-10-20 08:09:01,113 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@45d20111 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.10 08:09:01, skipping insertion in model container [2020-10-20 08:09:01,113 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 08:09:01,113 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 08:09:01" (3/3) ... [2020-10-20 08:09:01,115 INFO L373 chiAutomizerObserver]: Analyzing ICFG pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c [2020-10-20 08:09:01,179 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-10-20 08:09:01,179 INFO L360 BuchiCegarLoop]: Hoare is false [2020-10-20 08:09:01,179 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-10-20 08:09:01,179 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 08:09:01,180 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 08:09:01,180 INFO L364 BuchiCegarLoop]: Difference is false [2020-10-20 08:09:01,180 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 08:09:01,180 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-10-20 08:09:01,200 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 119 states. [2020-10-20 08:09:01,231 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 77 [2020-10-20 08:09:01,231 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 08:09:01,232 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 08:09:01,241 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2020-10-20 08:09:01,241 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 08:09:01,242 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-10-20 08:09:01,242 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 119 states. [2020-10-20 08:09:01,250 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 77 [2020-10-20 08:09:01,250 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 08:09:01,250 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 08:09:01,252 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2020-10-20 08:09:01,252 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 08:09:01,261 INFO L794 eck$LassoCheckResult]: Stem: 90#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(50);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~nomsg~0 := -1;~r1~0 := 0;~p1~0 := 0;~p1_old~0 := 0;~p1_new~0 := 0;~id1~0 := 0;~st1~0 := 0;~send1~0 := 0;~mode1~0 := 0;~alive1~0 := 0;~p2~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~send2~0 := 0;~mode2~0 := 0;~alive2~0 := 0;~p3~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~send3~0 := 0;~mode3~0 := 0;~alive3~0 := 0;~p4~0 := 0;~p4_old~0 := 0;~p4_new~0 := 0;~id4~0 := 0;~st4~0 := 0;~send4~0 := 0;~mode4~0 := 0;~alive4~0 := 0;~p5~0 := 0;~p5_old~0 := 0;~p5_new~0 := 0;~id5~0 := 0;~st5~0 := 0;~send5~0 := 0;~mode5~0 := 0;~alive5~0 := 0;~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[0 := #funAddr~node1.base], ~nodes~0.offset[0 := #funAddr~node1.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[1 := #funAddr~node2.base], ~nodes~0.offset[1 := #funAddr~node2.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[2 := #funAddr~node3.base], ~nodes~0.offset[2 := #funAddr~node3.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[3 := #funAddr~node4.base], ~nodes~0.offset[3 := #funAddr~node4.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[4 := #funAddr~node5.base], ~nodes~0.offset[4 := #funAddr~node5.offset]; 12#L-1true havoc main_#res;havoc 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~ret42, main_#t~ret43, main_#t~post44, main_~c1~0, main_~i2~0;havoc main_~c1~0;havoc main_~i2~0;main_~c1~0 := 0;~r1~0 := main_#t~nondet16;havoc main_#t~nondet16;~id1~0 := main_#t~nondet17;havoc main_#t~nondet17;~st1~0 := main_#t~nondet18;havoc main_#t~nondet18;~send1~0 := main_#t~nondet19;havoc main_#t~nondet19;~mode1~0 := main_#t~nondet20;havoc main_#t~nondet20;~alive1~0 := main_#t~nondet21;havoc main_#t~nondet21;~id2~0 := main_#t~nondet22;havoc main_#t~nondet22;~st2~0 := main_#t~nondet23;havoc main_#t~nondet23;~send2~0 := main_#t~nondet24;havoc main_#t~nondet24;~mode2~0 := main_#t~nondet25;havoc main_#t~nondet25;~alive2~0 := main_#t~nondet26;havoc main_#t~nondet26;~id3~0 := main_#t~nondet27;havoc main_#t~nondet27;~st3~0 := main_#t~nondet28;havoc main_#t~nondet28;~send3~0 := main_#t~nondet29;havoc main_#t~nondet29;~mode3~0 := main_#t~nondet30;havoc main_#t~nondet30;~alive3~0 := main_#t~nondet31;havoc main_#t~nondet31;~id4~0 := main_#t~nondet32;havoc main_#t~nondet32;~st4~0 := main_#t~nondet33;havoc main_#t~nondet33;~send4~0 := main_#t~nondet34;havoc main_#t~nondet34;~mode4~0 := main_#t~nondet35;havoc main_#t~nondet35;~alive4~0 := main_#t~nondet36;havoc main_#t~nondet36;~id5~0 := main_#t~nondet37;havoc main_#t~nondet37;~st5~0 := main_#t~nondet38;havoc main_#t~nondet38;~send5~0 := main_#t~nondet39;havoc main_#t~nondet39;~mode5~0 := main_#t~nondet40;havoc main_#t~nondet40;~alive5~0 := main_#t~nondet41;havoc main_#t~nondet41;havoc init_#res;havoc init_~tmp~0;havoc init_~tmp~0; 78#L292true assume !(0 == ~r1~0);init_~tmp~0 := 0; 74#L292-1true init_#res := init_~tmp~0; 94#L421true main_#t~ret42 := init_#res;main_~i2~0 := main_#t~ret42;havoc main_#t~ret42;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; 62#L69true assume !(0 == assume_abort_if_not_~cond); 121#L68true ~p1_old~0 := ~nomsg~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~nomsg~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~nomsg~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~nomsg~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~nomsg~0;~p5_new~0 := ~nomsg~0;main_~i2~0 := 0; 68#L490-2true [2020-10-20 08:09:01,262 INFO L796 eck$LassoCheckResult]: Loop: 68#L490-2true assume !!(main_~i2~0 < 10);havoc node1_#t~ite7, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 110#L123true assume 0 != ~mode1~0 % 256;~r1~0 := (if (1 + ~r1~0) % 256 <= 127 then (1 + ~r1~0) % 256 else (1 + ~r1~0) % 256 - 256);node1_~m1~0 := ~p5_old~0;~p5_old~0 := ~nomsg~0; 66#L127true assume !(node1_~m1~0 != ~nomsg~0); 52#L127-1true ~mode1~0 := 0; 120#L123-2true havoc node2_#t~ite8, node2_#t~ite9, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 33#L155true assume 0 != ~mode2~0 % 256;node2_~m2~0 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 22#L158true assume !(node2_~m2~0 != ~nomsg~0); 21#L158-1true ~mode2~0 := 0; 44#L155-2true havoc node3_#t~ite10, node3_#t~ite11, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 113#L189true assume 0 != ~mode3~0 % 256;node3_~m3~0 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 118#L192true assume !(node3_~m3~0 != ~nomsg~0); 117#L192-1true ~mode3~0 := 0; 111#L189-2true havoc node4_#t~ite12, node4_#t~ite13, node4_~m4~0;havoc node4_~m4~0;node4_~m4~0 := ~nomsg~0; 89#L223true assume 0 != ~mode4~0 % 256;node4_~m4~0 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 73#L226true assume !(node4_~m4~0 != ~nomsg~0); 70#L226-1true ~mode4~0 := 0; 64#L223-2true havoc node5_#t~ite14, node5_#t~ite15, node5_~m5~0;havoc node5_~m5~0;node5_~m5~0 := ~nomsg~0; 41#L257true assume 0 != ~mode5~0 % 256;node5_~m5~0 := ~p4_old~0;~p4_old~0 := ~nomsg~0; 30#L260true assume !(node5_~m5~0 != ~nomsg~0); 29#L260-1true ~mode5~0 := 0; 40#L257-2true ~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~p5_new~0;~p5_new~0 := ~nomsg~0;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 99#L429true assume !(~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 <= 1);check_~tmp~1 := 0; 100#L429-1true check_#res := check_~tmp~1; 46#L441true main_#t~ret43 := check_#res;main_~c1~0 := main_#t~ret43;havoc main_#t~ret43;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 91#L520true assume !(0 == assert_~arg % 256); 63#L515true main_#t~post44 := main_~i2~0;main_~i2~0 := 1 + main_#t~post44;havoc main_#t~post44; 68#L490-2true [2020-10-20 08:09:01,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 08:09:01,269 INFO L82 PathProgramCache]: Analyzing trace with hash 1984313218, now seen corresponding path program 1 times [2020-10-20 08:09:01,279 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 08:09:01,280 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1647052880] [2020-10-20 08:09:01,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 08:09:01,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 08:09:01,515 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 08:09:01,516 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1647052880] [2020-10-20 08:09:01,516 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 08:09:01,517 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-20 08:09:01,518 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [213489533] [2020-10-20 08:09:01,549 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-10-20 08:09:01,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 08:09:01,550 INFO L82 PathProgramCache]: Analyzing trace with hash 240307662, now seen corresponding path program 1 times [2020-10-20 08:09:01,550 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 08:09:01,550 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1431943796] [2020-10-20 08:09:01,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 08:09:01,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 08:09:01,712 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 08:09:01,713 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1431943796] [2020-10-20 08:09:01,713 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 08:09:01,713 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-20 08:09:01,713 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1824991002] [2020-10-20 08:09:01,718 INFO L811 eck$LassoCheckResult]: loop already infeasible [2020-10-20 08:09:01,719 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 08:09:01,737 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 08:09:01,738 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 08:09:01,740 INFO L87 Difference]: Start difference. First operand 119 states. Second operand 5 states. [2020-10-20 08:09:01,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 08:09:01,876 INFO L93 Difference]: Finished difference Result 121 states and 198 transitions. [2020-10-20 08:09:01,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-20 08:09:01,879 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 121 states and 198 transitions. [2020-10-20 08:09:01,883 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 75 [2020-10-20 08:09:01,889 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 121 states to 113 states and 159 transitions. [2020-10-20 08:09:01,891 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 113 [2020-10-20 08:09:01,891 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 113 [2020-10-20 08:09:01,892 INFO L73 IsDeterministic]: Start isDeterministic. Operand 113 states and 159 transitions. [2020-10-20 08:09:01,893 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-20 08:09:01,894 INFO L691 BuchiCegarLoop]: Abstraction has 113 states and 159 transitions. [2020-10-20 08:09:01,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states and 159 transitions. [2020-10-20 08:09:01,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2020-10-20 08:09:01,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2020-10-20 08:09:01,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 159 transitions. [2020-10-20 08:09:01,930 INFO L714 BuchiCegarLoop]: Abstraction has 113 states and 159 transitions. [2020-10-20 08:09:01,930 INFO L594 BuchiCegarLoop]: Abstraction has 113 states and 159 transitions. [2020-10-20 08:09:01,931 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-10-20 08:09:01,931 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 113 states and 159 transitions. [2020-10-20 08:09:01,933 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 75 [2020-10-20 08:09:01,933 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 08:09:01,933 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 08:09:01,935 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 08:09:01,935 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 08:09:01,936 INFO L794 eck$LassoCheckResult]: Stem: 365#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(50);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~nomsg~0 := -1;~r1~0 := 0;~p1~0 := 0;~p1_old~0 := 0;~p1_new~0 := 0;~id1~0 := 0;~st1~0 := 0;~send1~0 := 0;~mode1~0 := 0;~alive1~0 := 0;~p2~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~send2~0 := 0;~mode2~0 := 0;~alive2~0 := 0;~p3~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~send3~0 := 0;~mode3~0 := 0;~alive3~0 := 0;~p4~0 := 0;~p4_old~0 := 0;~p4_new~0 := 0;~id4~0 := 0;~st4~0 := 0;~send4~0 := 0;~mode4~0 := 0;~alive4~0 := 0;~p5~0 := 0;~p5_old~0 := 0;~p5_new~0 := 0;~id5~0 := 0;~st5~0 := 0;~send5~0 := 0;~mode5~0 := 0;~alive5~0 := 0;~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[0 := #funAddr~node1.base], ~nodes~0.offset[0 := #funAddr~node1.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[1 := #funAddr~node2.base], ~nodes~0.offset[1 := #funAddr~node2.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[2 := #funAddr~node3.base], ~nodes~0.offset[2 := #funAddr~node3.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[3 := #funAddr~node4.base], ~nodes~0.offset[3 := #funAddr~node4.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[4 := #funAddr~node5.base], ~nodes~0.offset[4 := #funAddr~node5.offset]; 275#L-1 havoc main_#res;havoc 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~ret42, main_#t~ret43, main_#t~post44, main_~c1~0, main_~i2~0;havoc main_~c1~0;havoc main_~i2~0;main_~c1~0 := 0;~r1~0 := main_#t~nondet16;havoc main_#t~nondet16;~id1~0 := main_#t~nondet17;havoc main_#t~nondet17;~st1~0 := main_#t~nondet18;havoc main_#t~nondet18;~send1~0 := main_#t~nondet19;havoc main_#t~nondet19;~mode1~0 := main_#t~nondet20;havoc main_#t~nondet20;~alive1~0 := main_#t~nondet21;havoc main_#t~nondet21;~id2~0 := main_#t~nondet22;havoc main_#t~nondet22;~st2~0 := main_#t~nondet23;havoc main_#t~nondet23;~send2~0 := main_#t~nondet24;havoc main_#t~nondet24;~mode2~0 := main_#t~nondet25;havoc main_#t~nondet25;~alive2~0 := main_#t~nondet26;havoc main_#t~nondet26;~id3~0 := main_#t~nondet27;havoc main_#t~nondet27;~st3~0 := main_#t~nondet28;havoc main_#t~nondet28;~send3~0 := main_#t~nondet29;havoc main_#t~nondet29;~mode3~0 := main_#t~nondet30;havoc main_#t~nondet30;~alive3~0 := main_#t~nondet31;havoc main_#t~nondet31;~id4~0 := main_#t~nondet32;havoc main_#t~nondet32;~st4~0 := main_#t~nondet33;havoc main_#t~nondet33;~send4~0 := main_#t~nondet34;havoc main_#t~nondet34;~mode4~0 := main_#t~nondet35;havoc main_#t~nondet35;~alive4~0 := main_#t~nondet36;havoc main_#t~nondet36;~id5~0 := main_#t~nondet37;havoc main_#t~nondet37;~st5~0 := main_#t~nondet38;havoc main_#t~nondet38;~send5~0 := main_#t~nondet39;havoc main_#t~nondet39;~mode5~0 := main_#t~nondet40;havoc main_#t~nondet40;~alive5~0 := main_#t~nondet41;havoc main_#t~nondet41;havoc init_#res;havoc init_~tmp~0;havoc init_~tmp~0; 276#L292 assume 0 == ~r1~0; 289#L293 assume ~alive1~0 % 256 + ~alive2~0 % 256 + ~alive3~0 % 256 + ~alive4~0 % 256 + ~alive5~0 % 256 >= 1; 290#L294 assume ~id1~0 >= 0; 337#L295 assume 0 == ~st1~0; 273#L296 assume ~send1~0 == ~id1~0; 274#L297 assume 0 == ~mode1~0 % 256; 341#L298 assume ~id2~0 >= 0; 283#L299 assume 0 == ~st2~0; 284#L300 assume ~send2~0 == ~id2~0; 327#L301 assume 0 == ~mode2~0 % 256; 328#L302 assume ~id3~0 >= 0; 346#L303 assume 0 == ~st3~0; 302#L304 assume ~send3~0 == ~id3~0; 303#L305 assume 0 == ~mode3~0 % 256; 343#L306 assume ~id4~0 >= 0; 281#L307 assume 0 == ~st4~0; 282#L308 assume ~send4~0 == ~id4~0; 339#L309 assume 0 == ~mode4~0 % 256; 271#L310 assume ~id5~0 >= 0; 272#L311 assume 0 == ~st5~0; 315#L312 assume ~send5~0 == ~id5~0; 316#L313 assume 0 == ~mode5~0 % 256; 358#L314 assume ~id1~0 != ~id2~0; 300#L315 assume ~id1~0 != ~id3~0; 301#L316 assume ~id1~0 != ~id4~0; 342#L317 assume ~id1~0 != ~id5~0; 277#L318 assume ~id2~0 != ~id3~0; 278#L319 assume ~id2~0 != ~id4~0; 338#L320 assume ~id2~0 != ~id5~0; 266#L321 assume ~id3~0 != ~id4~0; 267#L322 assume ~id3~0 != ~id5~0; 311#L323 assume ~id4~0 != ~id5~0;init_~tmp~0 := 1; 312#L292-1 init_#res := init_~tmp~0; 357#L421 main_#t~ret42 := init_#res;main_~i2~0 := main_#t~ret42;havoc main_#t~ret42;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; 347#L69 assume !(0 == assume_abort_if_not_~cond); 348#L68 ~p1_old~0 := ~nomsg~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~nomsg~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~nomsg~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~nomsg~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~nomsg~0;~p5_new~0 := ~nomsg~0;main_~i2~0 := 0; 350#L490-2 [2020-10-20 08:09:01,936 INFO L796 eck$LassoCheckResult]: Loop: 350#L490-2 assume !!(main_~i2~0 < 10);havoc node1_#t~ite7, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 354#L123 assume 0 != ~mode1~0 % 256;~r1~0 := (if (1 + ~r1~0) % 256 <= 127 then (1 + ~r1~0) % 256 else (1 + ~r1~0) % 256 - 256);node1_~m1~0 := ~p5_old~0;~p5_old~0 := ~nomsg~0; 352#L127 assume !(node1_~m1~0 != ~nomsg~0); 295#L127-1 ~mode1~0 := 0; 340#L123-2 havoc node2_#t~ite8, node2_#t~ite9, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 317#L155 assume 0 != ~mode2~0 % 256;node2_~m2~0 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 292#L158 assume !(node2_~m2~0 != ~nomsg~0); 291#L158-1 ~mode2~0 := 0; 287#L155-2 havoc node3_#t~ite10, node3_#t~ite11, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 329#L189 assume 0 != ~mode3~0 % 256;node3_~m3~0 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 370#L192 assume !(node3_~m3~0 != ~nomsg~0); 264#L192-1 ~mode3~0 := 0; 359#L189-2 havoc node4_#t~ite12, node4_#t~ite13, node4_~m4~0;havoc node4_~m4~0;node4_~m4~0 := ~nomsg~0; 364#L223 assume 0 != ~mode4~0 % 256;node4_~m4~0 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 356#L226 assume !(node4_~m4~0 != ~nomsg~0); 306#L226-1 ~mode4~0 := 0; 318#L223-2 havoc node5_#t~ite14, node5_#t~ite15, node5_~m5~0;havoc node5_~m5~0;node5_~m5~0 := ~nomsg~0; 324#L257 assume 0 != ~mode5~0 % 256;node5_~m5~0 := ~p4_old~0;~p4_old~0 := ~nomsg~0; 309#L260 assume !(node5_~m5~0 != ~nomsg~0); 307#L260-1 ~mode5~0 := 0; 308#L257-2 ~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~p5_new~0;~p5_new~0 := ~nomsg~0;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 323#L429 assume !(~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 <= 1);check_~tmp~1 := 0; 326#L429-1 check_#res := check_~tmp~1; 332#L441 main_#t~ret43 := check_#res;main_~c1~0 := main_#t~ret43;havoc main_#t~ret43;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 333#L520 assume !(0 == assert_~arg % 256); 349#L515 main_#t~post44 := main_~i2~0;main_~i2~0 := 1 + main_#t~post44;havoc main_#t~post44; 350#L490-2 [2020-10-20 08:09:01,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 08:09:01,936 INFO L82 PathProgramCache]: Analyzing trace with hash -1707437673, now seen corresponding path program 1 times [2020-10-20 08:09:01,937 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 08:09:01,937 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1749324832] [2020-10-20 08:09:01,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 08:09:02,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 08:09:02,016 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 08:09:02,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 08:09:02,059 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 08:09:02,105 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 08:09:02,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 08:09:02,106 INFO L82 PathProgramCache]: Analyzing trace with hash 240307662, now seen corresponding path program 2 times [2020-10-20 08:09:02,106 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 08:09:02,107 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1365079845] [2020-10-20 08:09:02,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 08:09:02,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 08:09:02,207 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 08:09:02,207 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1365079845] [2020-10-20 08:09:02,207 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 08:09:02,207 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-20 08:09:02,208 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [775047353] [2020-10-20 08:09:02,208 INFO L811 eck$LassoCheckResult]: loop already infeasible [2020-10-20 08:09:02,208 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 08:09:02,209 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 08:09:02,209 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 08:09:02,210 INFO L87 Difference]: Start difference. First operand 113 states and 159 transitions. cyclomatic complexity: 47 Second operand 5 states. [2020-10-20 08:09:02,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 08:09:02,261 INFO L93 Difference]: Finished difference Result 116 states and 161 transitions. [2020-10-20 08:09:02,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-20 08:09:02,262 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 116 states and 161 transitions. [2020-10-20 08:09:02,264 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 75 [2020-10-20 08:09:02,266 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 116 states to 113 states and 157 transitions. [2020-10-20 08:09:02,266 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 113 [2020-10-20 08:09:02,266 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 113 [2020-10-20 08:09:02,267 INFO L73 IsDeterministic]: Start isDeterministic. Operand 113 states and 157 transitions. [2020-10-20 08:09:02,268 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-20 08:09:02,268 INFO L691 BuchiCegarLoop]: Abstraction has 113 states and 157 transitions. [2020-10-20 08:09:02,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states and 157 transitions. [2020-10-20 08:09:02,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2020-10-20 08:09:02,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2020-10-20 08:09:02,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 157 transitions. [2020-10-20 08:09:02,276 INFO L714 BuchiCegarLoop]: Abstraction has 113 states and 157 transitions. [2020-10-20 08:09:02,276 INFO L594 BuchiCegarLoop]: Abstraction has 113 states and 157 transitions. [2020-10-20 08:09:02,276 INFO L427 BuchiCegarLoop]: ======== Iteration 3============ [2020-10-20 08:09:02,276 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 113 states and 157 transitions. [2020-10-20 08:09:02,277 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 75 [2020-10-20 08:09:02,278 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 08:09:02,278 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 08:09:02,280 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 08:09:02,280 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 08:09:02,280 INFO L794 eck$LassoCheckResult]: Stem: 606#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(50);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~nomsg~0 := -1;~r1~0 := 0;~p1~0 := 0;~p1_old~0 := 0;~p1_new~0 := 0;~id1~0 := 0;~st1~0 := 0;~send1~0 := 0;~mode1~0 := 0;~alive1~0 := 0;~p2~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~send2~0 := 0;~mode2~0 := 0;~alive2~0 := 0;~p3~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~send3~0 := 0;~mode3~0 := 0;~alive3~0 := 0;~p4~0 := 0;~p4_old~0 := 0;~p4_new~0 := 0;~id4~0 := 0;~st4~0 := 0;~send4~0 := 0;~mode4~0 := 0;~alive4~0 := 0;~p5~0 := 0;~p5_old~0 := 0;~p5_new~0 := 0;~id5~0 := 0;~st5~0 := 0;~send5~0 := 0;~mode5~0 := 0;~alive5~0 := 0;~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[0 := #funAddr~node1.base], ~nodes~0.offset[0 := #funAddr~node1.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[1 := #funAddr~node2.base], ~nodes~0.offset[1 := #funAddr~node2.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[2 := #funAddr~node3.base], ~nodes~0.offset[2 := #funAddr~node3.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[3 := #funAddr~node4.base], ~nodes~0.offset[3 := #funAddr~node4.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[4 := #funAddr~node5.base], ~nodes~0.offset[4 := #funAddr~node5.offset]; 516#L-1 havoc main_#res;havoc 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~ret42, main_#t~ret43, main_#t~post44, main_~c1~0, main_~i2~0;havoc main_~c1~0;havoc main_~i2~0;main_~c1~0 := 0;~r1~0 := main_#t~nondet16;havoc main_#t~nondet16;~id1~0 := main_#t~nondet17;havoc main_#t~nondet17;~st1~0 := main_#t~nondet18;havoc main_#t~nondet18;~send1~0 := main_#t~nondet19;havoc main_#t~nondet19;~mode1~0 := main_#t~nondet20;havoc main_#t~nondet20;~alive1~0 := main_#t~nondet21;havoc main_#t~nondet21;~id2~0 := main_#t~nondet22;havoc main_#t~nondet22;~st2~0 := main_#t~nondet23;havoc main_#t~nondet23;~send2~0 := main_#t~nondet24;havoc main_#t~nondet24;~mode2~0 := main_#t~nondet25;havoc main_#t~nondet25;~alive2~0 := main_#t~nondet26;havoc main_#t~nondet26;~id3~0 := main_#t~nondet27;havoc main_#t~nondet27;~st3~0 := main_#t~nondet28;havoc main_#t~nondet28;~send3~0 := main_#t~nondet29;havoc main_#t~nondet29;~mode3~0 := main_#t~nondet30;havoc main_#t~nondet30;~alive3~0 := main_#t~nondet31;havoc main_#t~nondet31;~id4~0 := main_#t~nondet32;havoc main_#t~nondet32;~st4~0 := main_#t~nondet33;havoc main_#t~nondet33;~send4~0 := main_#t~nondet34;havoc main_#t~nondet34;~mode4~0 := main_#t~nondet35;havoc main_#t~nondet35;~alive4~0 := main_#t~nondet36;havoc main_#t~nondet36;~id5~0 := main_#t~nondet37;havoc main_#t~nondet37;~st5~0 := main_#t~nondet38;havoc main_#t~nondet38;~send5~0 := main_#t~nondet39;havoc main_#t~nondet39;~mode5~0 := main_#t~nondet40;havoc main_#t~nondet40;~alive5~0 := main_#t~nondet41;havoc main_#t~nondet41;havoc init_#res;havoc init_~tmp~0;havoc init_~tmp~0; 517#L292 assume 0 == ~r1~0; 530#L293 assume ~alive1~0 % 256 + ~alive2~0 % 256 + ~alive3~0 % 256 + ~alive4~0 % 256 + ~alive5~0 % 256 >= 1; 531#L294 assume ~id1~0 >= 0; 578#L295 assume 0 == ~st1~0; 514#L296 assume ~send1~0 == ~id1~0; 515#L297 assume 0 == ~mode1~0 % 256; 582#L298 assume ~id2~0 >= 0; 524#L299 assume 0 == ~st2~0; 525#L300 assume ~send2~0 == ~id2~0; 568#L301 assume 0 == ~mode2~0 % 256; 569#L302 assume ~id3~0 >= 0; 587#L303 assume 0 == ~st3~0; 543#L304 assume ~send3~0 == ~id3~0; 544#L305 assume 0 == ~mode3~0 % 256; 584#L306 assume ~id4~0 >= 0; 522#L307 assume 0 == ~st4~0; 523#L308 assume ~send4~0 == ~id4~0; 580#L309 assume 0 == ~mode4~0 % 256; 512#L310 assume ~id5~0 >= 0; 513#L311 assume 0 == ~st5~0; 556#L312 assume ~send5~0 == ~id5~0; 557#L313 assume 0 == ~mode5~0 % 256; 599#L314 assume ~id1~0 != ~id2~0; 541#L315 assume ~id1~0 != ~id3~0; 542#L316 assume ~id1~0 != ~id4~0; 583#L317 assume ~id1~0 != ~id5~0; 518#L318 assume ~id2~0 != ~id3~0; 519#L319 assume ~id2~0 != ~id4~0; 579#L320 assume ~id2~0 != ~id5~0; 507#L321 assume ~id3~0 != ~id4~0; 508#L322 assume ~id3~0 != ~id5~0; 552#L323 assume ~id4~0 != ~id5~0;init_~tmp~0 := 1; 553#L292-1 init_#res := init_~tmp~0; 598#L421 main_#t~ret42 := init_#res;main_~i2~0 := main_#t~ret42;havoc main_#t~ret42;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; 588#L69 assume !(0 == assume_abort_if_not_~cond); 589#L68 ~p1_old~0 := ~nomsg~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~nomsg~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~nomsg~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~nomsg~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~nomsg~0;~p5_new~0 := ~nomsg~0;main_~i2~0 := 0; 591#L490-2 [2020-10-20 08:09:02,281 INFO L796 eck$LassoCheckResult]: Loop: 591#L490-2 assume !!(main_~i2~0 < 10);havoc node1_#t~ite7, node1_~m1~0;havoc node1_~m1~0;node1_~m1~0 := ~nomsg~0; 595#L123 assume 0 != ~mode1~0 % 256;~r1~0 := (if (1 + ~r1~0) % 256 <= 127 then (1 + ~r1~0) % 256 else (1 + ~r1~0) % 256 - 256);node1_~m1~0 := ~p5_old~0;~p5_old~0 := ~nomsg~0; 593#L127 assume !(node1_~m1~0 != ~nomsg~0); 536#L127-1 ~mode1~0 := 0; 581#L123-2 havoc node2_#t~ite8, node2_#t~ite9, node2_~m2~0;havoc node2_~m2~0;node2_~m2~0 := ~nomsg~0; 558#L155 assume 0 != ~mode2~0 % 256;node2_~m2~0 := ~p1_old~0;~p1_old~0 := ~nomsg~0; 533#L158 assume !(node2_~m2~0 != ~nomsg~0); 532#L158-1 ~mode2~0 := 0; 528#L155-2 havoc node3_#t~ite10, node3_#t~ite11, node3_~m3~0;havoc node3_~m3~0;node3_~m3~0 := ~nomsg~0; 570#L189 assume 0 != ~mode3~0 % 256;node3_~m3~0 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 611#L192 assume !(node3_~m3~0 != ~nomsg~0); 505#L192-1 ~mode3~0 := 0; 600#L189-2 havoc node4_#t~ite12, node4_#t~ite13, node4_~m4~0;havoc node4_~m4~0;node4_~m4~0 := ~nomsg~0; 605#L223 assume 0 != ~mode4~0 % 256;node4_~m4~0 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 597#L226 assume !(node4_~m4~0 != ~nomsg~0); 547#L226-1 ~mode4~0 := 0; 559#L223-2 havoc node5_#t~ite14, node5_#t~ite15, node5_~m5~0;havoc node5_~m5~0;node5_~m5~0 := ~nomsg~0; 565#L257 assume 0 != ~mode5~0 % 256;node5_~m5~0 := ~p4_old~0;~p4_old~0 := ~nomsg~0; 550#L260 assume !(node5_~m5~0 != ~nomsg~0); 548#L260-1 ~mode5~0 := 0; 549#L257-2 ~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~p5_new~0;~p5_new~0 := ~nomsg~0;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 564#L429 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 <= 1; 575#L430 assume ~r1~0 < 5;check_~tmp~1 := 1; 567#L429-1 check_#res := check_~tmp~1; 573#L441 main_#t~ret43 := check_#res;main_~c1~0 := main_#t~ret43;havoc main_#t~ret43;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 574#L520 assume !(0 == assert_~arg % 256); 590#L515 main_#t~post44 := main_~i2~0;main_~i2~0 := 1 + main_#t~post44;havoc main_#t~post44; 591#L490-2 [2020-10-20 08:09:02,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 08:09:02,281 INFO L82 PathProgramCache]: Analyzing trace with hash -1707437673, now seen corresponding path program 2 times [2020-10-20 08:09:02,281 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 08:09:02,282 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [980291294] [2020-10-20 08:09:02,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 08:09:02,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 08:09:02,310 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 08:09:02,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 08:09:02,356 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 08:09:02,381 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 08:09:02,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 08:09:02,382 INFO L82 PathProgramCache]: Analyzing trace with hash -1523726056, now seen corresponding path program 1 times [2020-10-20 08:09:02,382 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 08:09:02,383 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [414266139] [2020-10-20 08:09:02,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 08:09:02,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 08:09:02,416 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 08:09:02,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 08:09:02,441 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 08:09:02,456 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 08:09:02,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 08:09:02,457 INFO L82 PathProgramCache]: Analyzing trace with hash -161814078, now seen corresponding path program 1 times [2020-10-20 08:09:02,457 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 08:09:02,458 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1063722813] [2020-10-20 08:09:02,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 08:09:02,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 08:09:02,543 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 08:09:02,543 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1063722813] [2020-10-20 08:09:02,543 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 08:09:02,544 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-20 08:09:02,544 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1874638692] [2020-10-20 08:09:03,036 WARN L193 SmtUtils]: Spent 485.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 137 [2020-10-20 08:09:03,472 WARN L193 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 118 [2020-10-20 08:09:03,484 INFO L210 LassoAnalysis]: Preferences: [2020-10-20 08:09:03,485 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-20 08:09:03,485 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-20 08:09:03,485 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-20 08:09:03,486 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-10-20 08:09:03,486 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 08:09:03,486 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-20 08:09:03,486 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-20 08:09:03,486 INFO L133 ssoRankerPreferences]: Filename of dumped script: pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c_Iteration3_Loop [2020-10-20 08:09:03,486 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-20 08:09:03,487 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-20 08:09:03,514 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:09:03,523 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:09:03,527 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:09:03,532 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:09:03,535 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:09:03,537 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:09:03,544 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:09:03,547 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:09:03,706 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2020-10-20 08:09:03,706 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:09:03,709 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:09:03,715 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:09:03,718 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:09:03,720 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:09:03,724 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:09:03,727 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:09:03,730 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:09:03,732 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:09:03,738 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:09:03,741 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:09:03,747 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:09:03,749 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:09:03,751 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:09:03,759 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:09:03,762 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:09:03,765 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:09:03,769 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:09:03,774 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:09:03,777 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:09:03,817 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:09:03,820 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:09:03,826 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:09:03,829 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:09:04,221 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-10-20 08:09:04,562 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-10-20 08:09:04,603 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-20 08:09:04,604 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 08:09:04,610 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-20 08:09:04,610 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 08:09:04,641 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-10-20 08:09:04,641 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-10-20 08:09:04,767 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-10-20 08:09:04,768 INFO L210 LassoAnalysis]: Preferences: [2020-10-20 08:09:04,769 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-20 08:09:04,769 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-20 08:09:04,769 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-20 08:09:04,769 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-20 08:09:04,769 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 08:09:04,769 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-20 08:09:04,769 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-20 08:09:04,770 INFO L133 ssoRankerPreferences]: Filename of dumped script: pals_lcr-var-start-time.5.2.ufo.BOUNDED-10.pals.c_Iteration3_Loop [2020-10-20 08:09:04,770 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-20 08:09:04,774 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-20 08:09:04,783 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:09:04,793 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:09:04,796 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:09:04,798 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:09:04,800 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:09:04,802 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:09:04,805 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:09:04,811 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:09:04,813 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:09:04,830 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:09:04,837 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:09:04,881 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:09:04,884 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:09:04,891 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:09:04,894 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:09:04,906 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:09:04,910 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:09:04,912 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:09:04,920 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:09:04,922 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:09:04,928 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:09:04,932 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:09:04,940 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:09:04,944 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:09:04,949 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:09:04,952 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:09:04,957 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:09:04,960 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:09:04,962 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:09:04,966 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:09:04,967 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:09:04,978 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 08:09:05,256 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-10-20 08:09:05,622 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-10-20 08:09:05,724 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-20 08:09:05,730 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) [2020-10-20 08:09:05,755 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 [2020-10-20 08:09:05,757 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 08:09:05,758 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 08:09:05,759 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 08:09:05,759 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 08:09:05,759 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 08:09:05,762 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 08:09:05,762 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 08:09:05,768 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 [2020-10-20 08:09:05,793 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 [2020-10-20 08:09:05,794 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 08:09:05,795 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 08:09:05,795 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 08:09:05,795 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 08:09:05,804 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 08:09:05,804 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 08:09:05,809 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 [2020-10-20 08:09:05,847 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 08:09:05,848 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 08:09:05,848 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 08:09:05,848 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 08:09:05,849 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 08:09:05,849 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 08:09:05,849 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 08:09:05,850 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 08:09:05,851 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 [2020-10-20 08:09:05,875 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 [2020-10-20 08:09:05,876 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 08:09:05,877 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 08:09:05,877 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 08:09:05,883 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 08:09:05,883 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 08:09:05,884 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 08:09:05,885 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 08:09:05,887 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 [2020-10-20 08:09:05,910 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 [2020-10-20 08:09:05,912 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 08:09:05,912 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 08:09:05,912 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 08:09:05,912 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 08:09:05,912 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 08:09:05,913 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 08:09:05,913 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 08:09:05,914 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 [2020-10-20 08:09:05,935 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 [2020-10-20 08:09:05,937 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 08:09:05,937 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 08:09:05,937 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 08:09:05,937 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 08:09:05,939 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 08:09:05,939 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 08:09:05,944 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 [2020-10-20 08:09:05,966 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 [2020-10-20 08:09:05,968 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 08:09:05,968 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 08:09:05,968 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 08:09:05,968 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 08:09:05,968 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 08:09:05,969 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 08:09:05,970 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 08:09:05,978 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 [2020-10-20 08:09:06,000 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 [2020-10-20 08:09:06,002 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 08:09:06,002 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 08:09:06,002 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 08:09:06,002 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 08:09:06,004 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 08:09:06,004 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 08:09:06,011 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 [2020-10-20 08:09:06,032 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 [2020-10-20 08:09:06,033 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 08:09:06,033 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 08:09:06,034 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 08:09:06,034 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-10-20 08:09:06,034 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 08:09:06,036 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-10-20 08:09:06,036 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 08:09:06,040 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 [2020-10-20 08:09:06,062 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 [2020-10-20 08:09:06,063 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 08:09:06,063 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 08:09:06,063 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 08:09:06,063 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 08:09:06,063 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 08:09:06,065 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 08:09:06,065 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 08:09:06,068 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 [2020-10-20 08:09:06,090 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 [2020-10-20 08:09:06,092 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 08:09:06,092 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 08:09:06,093 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 08:09:06,093 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 08:09:06,093 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 08:09:06,099 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 08:09:06,099 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 08:09:06,105 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 [2020-10-20 08:09:06,129 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 [2020-10-20 08:09:06,130 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 08:09:06,131 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 08:09:06,131 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 08:09:06,131 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 08:09:06,133 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 08:09:06,133 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 08:09:06,137 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 08:09:06,159 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 [2020-10-20 08:09:06,160 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 08:09:06,160 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 08:09:06,160 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 08:09:06,161 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 08:09:06,161 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 08:09:06,161 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 08:09:06,161 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 08:09:06,163 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 [2020-10-20 08:09:06,186 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 [2020-10-20 08:09:06,187 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 08:09:06,187 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 08:09:06,187 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 08:09:06,187 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 08:09:06,188 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 08:09:06,188 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 08:09:06,188 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 08:09:06,194 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 [2020-10-20 08:09:06,224 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 [2020-10-20 08:09:06,225 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 08:09:06,226 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 08:09:06,226 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 08:09:06,226 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 08:09:06,226 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 08:09:06,226 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 08:09:06,226 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 08:09:06,228 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 [2020-10-20 08:09:06,249 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 [2020-10-20 08:09:06,251 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 08:09:06,251 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 08:09:06,251 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 08:09:06,252 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 08:09:06,255 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 08:09:06,256 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 08:09:06,259 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) [2020-10-20 08:09:06,284 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 [2020-10-20 08:09:06,286 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 08:09:06,286 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 08:09:06,286 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 08:09:06,286 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 08:09:06,286 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 08:09:06,287 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 08:09:06,287 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 08:09:06,288 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 [2020-10-20 08:09:06,311 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 [2020-10-20 08:09:06,312 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 08:09:06,312 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 08:09:06,313 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 08:09:06,313 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 08:09:06,313 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 08:09:06,314 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 08:09:06,314 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 08:09:06,316 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 [2020-10-20 08:09:06,343 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 [2020-10-20 08:09:06,345 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 08:09:06,345 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 08:09:06,345 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 08:09:06,345 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 08:09:06,345 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 08:09:06,346 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 08:09:06,346 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 08:09:06,348 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) [2020-10-20 08:09:06,376 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 [2020-10-20 08:09:06,377 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 08:09:06,378 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 08:09:06,378 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 08:09:06,378 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 08:09:06,378 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 08:09:06,379 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 08:09:06,379 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 08:09:06,382 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-20 08:09:06,388 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-10-20 08:09:06,388 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 08:09:06,400 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-10-20 08:09:06,401 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-10-20 08:09:06,401 INFO L510 LassoAnalysis]: Proved termination. [2020-10-20 08:09:06,402 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i2~0) = -2*ULTIMATE.start_main_~i2~0 + 19 Supporting invariants [] Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 08:09:06,427 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-10-20 08:09:06,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 08:09:06,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 08:09:06,533 INFO L263 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-20 08:09:06,537 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 08:09:06,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 08:09:06,572 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-20 08:09:06,574 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 08:09:06,594 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 08:09:06,598 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 [2020-10-20 08:09:06,599 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 113 states and 157 transitions. cyclomatic complexity: 45 Second operand 3 states. [2020-10-20 08:09:06,700 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 113 states and 157 transitions. cyclomatic complexity: 45. Second operand 3 states. Result 188 states and 277 transitions. Complement of second has 4 states. [2020-10-20 08:09:06,700 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 [2020-10-20 08:09:06,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-20 08:09:06,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 157 transitions. [2020-10-20 08:09:06,706 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 157 transitions. Stem has 38 letters. Loop has 27 letters. [2020-10-20 08:09:06,708 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 08:09:06,710 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 157 transitions. Stem has 65 letters. Loop has 27 letters. [2020-10-20 08:09:06,711 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 08:09:06,713 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 157 transitions. Stem has 38 letters. Loop has 54 letters. [2020-10-20 08:09:06,716 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 08:09:06,719 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 188 states and 277 transitions. [2020-10-20 08:09:06,722 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-20 08:09:06,724 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 188 states to 0 states and 0 transitions. [2020-10-20 08:09:06,724 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-10-20 08:09:06,724 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-10-20 08:09:06,724 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-10-20 08:09:06,725 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-20 08:09:06,725 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 08:09:06,725 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 08:09:06,725 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 08:09:06,725 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 08:09:06,726 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 08:09:06,726 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 3 states. [2020-10-20 08:09:06,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 08:09:06,726 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-10-20 08:09:06,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-20 08:09:06,727 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2020-10-20 08:09:06,727 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-20 08:09:06,727 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2020-10-20 08:09:06,727 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-10-20 08:09:06,727 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-10-20 08:09:06,728 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-10-20 08:09:06,728 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-20 08:09:06,728 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 08:09:06,728 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 08:09:06,728 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 08:09:06,728 INFO L427 BuchiCegarLoop]: ======== Iteration 4============ [2020-10-20 08:09:06,729 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-10-20 08:09:06,729 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-20 08:09:06,729 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-10-20 08:09:06,736 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.10 08:09:06 BoogieIcfgContainer [2020-10-20 08:09:06,737 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-10-20 08:09:06,737 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 08:09:06,739 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 08:09:06,739 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 08:09:06,740 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 08:09:01" (3/4) ... [2020-10-20 08:09:06,744 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-20 08:09:06,745 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 08:09:06,747 INFO L168 Benchmark]: Toolchain (without parser) took 7018.99 ms. Allocated memory was 39.8 MB in the beginning and 93.3 MB in the end (delta: 53.5 MB). Free memory was 17.3 MB in the beginning and 45.7 MB in the end (delta: -28.5 MB). Peak memory consumption was 25.0 MB. Max. memory is 14.3 GB. [2020-10-20 08:09:06,749 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 30.9 MB. Free memory was 5.8 MB in the beginning and 5.8 MB in the end (delta: 43.3 kB). Peak memory consumption was 43.3 kB. Max. memory is 14.3 GB. [2020-10-20 08:09:06,750 INFO L168 Benchmark]: CACSL2BoogieTranslator took 482.79 ms. Allocated memory was 39.8 MB in the beginning and 40.9 MB in the end (delta: 1.0 MB). Free memory was 16.3 MB in the beginning and 10.8 MB in the end (delta: 5.5 MB). Peak memory consumption was 8.5 MB. Max. memory is 14.3 GB. [2020-10-20 08:09:06,757 INFO L168 Benchmark]: Boogie Procedure Inliner took 76.17 ms. Allocated memory was 40.9 MB in the beginning and 43.0 MB in the end (delta: 2.1 MB). Free memory was 10.8 MB in the beginning and 25.7 MB in the end (delta: -14.9 MB). Peak memory consumption was 2.0 MB. Max. memory is 14.3 GB. [2020-10-20 08:09:06,757 INFO L168 Benchmark]: Boogie Preprocessor took 38.98 ms. Allocated memory is still 43.0 MB. Free memory was 25.7 MB in the beginning and 23.3 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.3 GB. [2020-10-20 08:09:06,760 INFO L168 Benchmark]: RCFGBuilder took 769.50 ms. Allocated memory was 43.0 MB in the beginning and 45.6 MB in the end (delta: 2.6 MB). Free memory was 23.3 MB in the beginning and 10.6 MB in the end (delta: 12.6 MB). Peak memory consumption was 16.2 MB. Max. memory is 14.3 GB. [2020-10-20 08:09:06,766 INFO L168 Benchmark]: BuchiAutomizer took 5630.36 ms. Allocated memory was 45.6 MB in the beginning and 93.3 MB in the end (delta: 47.7 MB). Free memory was 10.6 MB in the beginning and 45.7 MB in the end (delta: -35.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 14.3 GB. [2020-10-20 08:09:06,769 INFO L168 Benchmark]: Witness Printer took 7.52 ms. Allocated memory is still 93.3 MB. Free memory is still 45.7 MB. There was no memory consumed. Max. memory is 14.3 GB. [2020-10-20 08:09:06,780 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 30.9 MB. Free memory was 5.8 MB in the beginning and 5.8 MB in the end (delta: 43.3 kB). Peak memory consumption was 43.3 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 482.79 ms. Allocated memory was 39.8 MB in the beginning and 40.9 MB in the end (delta: 1.0 MB). Free memory was 16.3 MB in the beginning and 10.8 MB in the end (delta: 5.5 MB). Peak memory consumption was 8.5 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 76.17 ms. Allocated memory was 40.9 MB in the beginning and 43.0 MB in the end (delta: 2.1 MB). Free memory was 10.8 MB in the beginning and 25.7 MB in the end (delta: -14.9 MB). Peak memory consumption was 2.0 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 38.98 ms. Allocated memory is still 43.0 MB. Free memory was 25.7 MB in the beginning and 23.3 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.3 GB. * RCFGBuilder took 769.50 ms. Allocated memory was 43.0 MB in the beginning and 45.6 MB in the end (delta: 2.6 MB). Free memory was 23.3 MB in the beginning and 10.6 MB in the end (delta: 12.6 MB). Peak memory consumption was 16.2 MB. Max. memory is 14.3 GB. * BuchiAutomizer took 5630.36 ms. Allocated memory was 45.6 MB in the beginning and 93.3 MB in the end (delta: 47.7 MB). Free memory was 10.6 MB in the beginning and 45.7 MB in the end (delta: -35.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 14.3 GB. * Witness Printer took 7.52 ms. Allocated memory is still 93.3 MB. Free memory is still 45.7 MB. There was no memory consumed. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 4 terminating modules (3 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * i2 + 19 and consists of 3 locations. 3 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 5.5s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 4.8s. Construction of modules took 0.1s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 3. Minimization of det autom 4. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 113 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 506 SDtfs, 160 SDslu, 1129 SDs, 0 SdLazy, 26 SolverSat, 34 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc0 concLT1 SILN0 SILU0 SILI1 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital167 mio100 ax135 hnf108 lsp25 ukn100 mio100 lsp100 div103 bol100 ite100 ukn100 eq221 hnf85 smp100 dnf100 smp100 tf101 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 18ms 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...