./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted/Toulouse-MultiBranchesToLoop-2.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_96f4d123-b471-4643-94bf-a134fc07dbb8/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_96f4d123-b471-4643-94bf-a134fc07dbb8/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_96f4d123-b471-4643-94bf-a134fc07dbb8/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_96f4d123-b471-4643-94bf-a134fc07dbb8/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted/Toulouse-MultiBranchesToLoop-2.c -s /tmp/vcloud-vcloud-master/worker/run_dir_96f4d123-b471-4643-94bf-a134fc07dbb8/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_96f4d123-b471-4643-94bf-a134fc07dbb8/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash ecbf88ff5eccf5176dc1eb8ce718b872e4a38037 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 05:25:42,752 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 05:25:42,754 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 05:25:42,768 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 05:25:42,768 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 05:25:42,769 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 05:25:42,771 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 05:25:42,779 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 05:25:42,783 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 05:25:42,786 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 05:25:42,787 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 05:25:42,788 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 05:25:42,788 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 05:25:42,790 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 05:25:42,791 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 05:25:42,792 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 05:25:42,793 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 05:25:42,794 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 05:25:42,796 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 05:25:42,799 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 05:25:42,803 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 05:25:42,804 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 05:25:42,807 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 05:25:42,808 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 05:25:42,811 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 05:25:42,811 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 05:25:42,811 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 05:25:42,812 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 05:25:42,813 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 05:25:42,814 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 05:25:42,815 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 05:25:42,816 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 05:25:42,816 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 05:25:42,817 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 05:25:42,818 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 05:25:42,818 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 05:25:42,818 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 05:25:42,818 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 05:25:42,819 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 05:25:42,819 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 05:25:42,820 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 05:25:42,821 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_96f4d123-b471-4643-94bf-a134fc07dbb8/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-11-20 05:25:42,846 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 05:25:42,846 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 05:25:42,847 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 05:25:42,847 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 05:25:42,848 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 05:25:42,848 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-20 05:25:42,848 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-20 05:25:42,848 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-20 05:25:42,848 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-20 05:25:42,848 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-20 05:25:42,849 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-20 05:25:42,849 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 05:25:42,849 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-20 05:25:42,849 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 05:25:42,849 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 05:25:42,859 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-20 05:25:42,859 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-20 05:25:42,860 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-20 05:25:42,860 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 05:25:42,860 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-20 05:25:42,860 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 05:25:42,860 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-20 05:25:42,861 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 05:25:42,861 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 05:25:42,861 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-20 05:25:42,861 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 05:25:42,861 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 05:25:42,862 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-20 05:25:42,862 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-20 05:25:42,862 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 -> /tmp/vcloud-vcloud-master/worker/run_dir_96f4d123-b471-4643-94bf-a134fc07dbb8/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ecbf88ff5eccf5176dc1eb8ce718b872e4a38037 [2019-11-20 05:25:43,009 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 05:25:43,017 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 05:25:43,020 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 05:25:43,021 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 05:25:43,021 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 05:25:43,022 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_96f4d123-b471-4643-94bf-a134fc07dbb8/bin/uautomizer/../../sv-benchmarks/c/termination-crafted/Toulouse-MultiBranchesToLoop-2.c [2019-11-20 05:25:43,067 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_96f4d123-b471-4643-94bf-a134fc07dbb8/bin/uautomizer/data/60cde6a83/9ce9057624da47858d162c84851f3501/FLAG0c44ca624 [2019-11-20 05:25:43,450 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 05:25:43,450 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_96f4d123-b471-4643-94bf-a134fc07dbb8/sv-benchmarks/c/termination-crafted/Toulouse-MultiBranchesToLoop-2.c [2019-11-20 05:25:43,455 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_96f4d123-b471-4643-94bf-a134fc07dbb8/bin/uautomizer/data/60cde6a83/9ce9057624da47858d162c84851f3501/FLAG0c44ca624 [2019-11-20 05:25:43,467 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_96f4d123-b471-4643-94bf-a134fc07dbb8/bin/uautomizer/data/60cde6a83/9ce9057624da47858d162c84851f3501 [2019-11-20 05:25:43,470 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 05:25:43,471 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 05:25:43,472 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 05:25:43,472 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 05:25:43,475 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 05:25:43,476 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:25:43" (1/1) ... [2019-11-20 05:25:43,478 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d9c4f1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:25:43, skipping insertion in model container [2019-11-20 05:25:43,478 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:25:43" (1/1) ... [2019-11-20 05:25:43,484 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 05:25:43,497 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 05:25:43,629 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 05:25:43,632 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 05:25:43,725 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 05:25:43,737 INFO L192 MainTranslator]: Completed translation [2019-11-20 05:25:43,738 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:25:43 WrapperNode [2019-11-20 05:25:43,738 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 05:25:43,739 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 05:25:43,739 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 05:25:43,739 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 05:25:43,746 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:25:43" (1/1) ... [2019-11-20 05:25:43,753 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:25:43" (1/1) ... [2019-11-20 05:25:43,772 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 05:25:43,772 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 05:25:43,773 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 05:25:43,773 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 05:25:43,781 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:25:43" (1/1) ... [2019-11-20 05:25:43,781 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:25:43" (1/1) ... [2019-11-20 05:25:43,782 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:25:43" (1/1) ... [2019-11-20 05:25:43,782 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:25:43" (1/1) ... [2019-11-20 05:25:43,791 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:25:43" (1/1) ... [2019-11-20 05:25:43,797 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:25:43" (1/1) ... [2019-11-20 05:25:43,801 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:25:43" (1/1) ... [2019-11-20 05:25:43,804 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 05:25:43,804 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 05:25:43,804 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 05:25:43,804 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 05:25:43,805 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:25:43" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_96f4d123-b471-4643-94bf-a134fc07dbb8/bin/uautomizer/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 [2019-11-20 05:25:43,871 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 05:25:43,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 05:25:44,069 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 05:25:44,069 INFO L285 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-20 05:25:44,070 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:25:44 BoogieIcfgContainer [2019-11-20 05:25:44,070 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 05:25:44,071 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-20 05:25:44,071 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-20 05:25:44,074 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-20 05:25:44,075 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 05:25:44,075 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 05:25:43" (1/3) ... [2019-11-20 05:25:44,076 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2a3a0db1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 05:25:44, skipping insertion in model container [2019-11-20 05:25:44,076 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 05:25:44,076 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:25:43" (2/3) ... [2019-11-20 05:25:44,077 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2a3a0db1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 05:25:44, skipping insertion in model container [2019-11-20 05:25:44,077 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 05:25:44,077 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:25:44" (3/3) ... [2019-11-20 05:25:44,078 INFO L371 chiAutomizerObserver]: Analyzing ICFG Toulouse-MultiBranchesToLoop-2.c [2019-11-20 05:25:44,132 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-20 05:25:44,132 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-20 05:25:44,132 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-20 05:25:44,132 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 05:25:44,133 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 05:25:44,133 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-20 05:25:44,133 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 05:25:44,133 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-20 05:25:44,159 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states. [2019-11-20 05:25:44,197 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2019-11-20 05:25:44,198 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 05:25:44,198 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 05:25:44,203 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 05:25:44,203 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2019-11-20 05:25:44,203 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-20 05:25:44,203 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states. [2019-11-20 05:25:44,205 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2019-11-20 05:25:44,206 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 05:25:44,206 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 05:25:44,206 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 05:25:44,206 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2019-11-20 05:25:44,214 INFO L794 eck$LassoCheckResult]: Stem: 11#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_~x~0, main_~y~0, main_~z~0;havoc main_~x~0;havoc main_~y~0;havoc main_~z~0;main_~y~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~z~0 := main_#t~nondet1;havoc main_#t~nondet1; 7#L20true assume !!(-268435455 <= main_~y~0); 10#L21true assume !!(-268435455 <= main_~z~0); 12#L22true assume 0 != main_#t~nondet2;havoc main_#t~nondet2;main_~x~0 := 1; 8#L22-2true assume !(main_~x~0 > 0);main_~x~0 := main_~x~0 - 1; 3#L27-1true assume !(main_~x~0 > 0);main_~x~0 := main_~x~0 - 1; 9#L32-1true assume !(main_~x~0 > 0);main_~x~0 := main_~x~0 - 1; 19#L37-1true assume !(main_~x~0 > 0);main_~x~0 := main_~x~0 - 1; 6#L42-1true assume !(main_~x~0 > 0);main_~x~0 := main_~x~0 - 1; 18#L47-1true assume !(main_~x~0 > 0);main_~x~0 := main_~x~0 - 1; 5#L52-1true assume !(main_~x~0 > 0);main_~x~0 := main_~x~0 - 1; 16#L57-1true assume main_~x~0 > 0;main_~x~0 := 1 + main_~x~0; 15#L67-1true [2019-11-20 05:25:44,214 INFO L796 eck$LassoCheckResult]: Loop: 15#L67-1true assume !!(main_~y~0 < 100 && main_~z~0 < 100);main_~y~0 := main_~y~0 + main_~x~0;main_~z~0 := main_~z~0 - main_~x~0; 15#L67-1true [2019-11-20 05:25:44,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:25:44,219 INFO L82 PathProgramCache]: Analyzing trace with hash 21841375, now seen corresponding path program 1 times [2019-11-20 05:25:44,227 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:25:44,228 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [511114573] [2019-11-20 05:25:44,228 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:25:44,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:25:44,340 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:25:44,341 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [511114573] [2019-11-20 05:25:44,342 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 05:25:44,342 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 05:25:44,343 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [345809362] [2019-11-20 05:25:44,347 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-20 05:25:44,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:25:44,348 INFO L82 PathProgramCache]: Analyzing trace with hash 104, now seen corresponding path program 1 times [2019-11-20 05:25:44,348 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:25:44,349 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1544251299] [2019-11-20 05:25:44,349 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:25:44,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:25:44,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:25:44,373 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 05:25:44,424 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 05:25:44,435 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 05:25:44,435 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 05:25:44,436 INFO L87 Difference]: Start difference. First operand 17 states. Second operand 3 states. [2019-11-20 05:25:44,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 05:25:44,543 INFO L93 Difference]: Finished difference Result 30 states and 41 transitions. [2019-11-20 05:25:44,544 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 05:25:44,546 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 30 states and 41 transitions. [2019-11-20 05:25:44,548 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 2 [2019-11-20 05:25:44,552 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 30 states to 22 states and 31 transitions. [2019-11-20 05:25:44,553 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 22 [2019-11-20 05:25:44,554 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 22 [2019-11-20 05:25:44,555 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 31 transitions. [2019-11-20 05:25:44,556 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 05:25:44,556 INFO L688 BuchiCegarLoop]: Abstraction has 22 states and 31 transitions. [2019-11-20 05:25:44,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states and 31 transitions. [2019-11-20 05:25:44,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 21. [2019-11-20 05:25:44,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2019-11-20 05:25:44,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 30 transitions. [2019-11-20 05:25:44,587 INFO L711 BuchiCegarLoop]: Abstraction has 21 states and 30 transitions. [2019-11-20 05:25:44,587 INFO L591 BuchiCegarLoop]: Abstraction has 21 states and 30 transitions. [2019-11-20 05:25:44,587 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-20 05:25:44,587 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 21 states and 30 transitions. [2019-11-20 05:25:44,593 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2019-11-20 05:25:44,594 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 05:25:44,594 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 05:25:44,597 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 05:25:44,597 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2019-11-20 05:25:44,598 INFO L794 eck$LassoCheckResult]: Stem: 67#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_~x~0, main_~y~0, main_~z~0;havoc main_~x~0;havoc main_~y~0;havoc main_~z~0;main_~y~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~z~0 := main_#t~nondet1;havoc main_#t~nondet1; 63#L20 assume !!(-268435455 <= main_~y~0); 64#L21 assume !!(-268435455 <= main_~z~0); 66#L22 assume !(0 != main_#t~nondet2);havoc main_#t~nondet2;main_~x~0 := -1; 68#L22-2 assume main_~x~0 > 0;main_~x~0 := 1 + main_~x~0; 56#L27-1 assume main_~x~0 > 0;main_~x~0 := 1 + main_~x~0; 57#L32-1 assume main_~x~0 > 0;main_~x~0 := 1 + main_~x~0; 65#L37-1 assume main_~x~0 > 0;main_~x~0 := 1 + main_~x~0; 60#L42-1 assume main_~x~0 > 0;main_~x~0 := 1 + main_~x~0; 61#L47-1 assume main_~x~0 > 0;main_~x~0 := 1 + main_~x~0; 58#L52-1 assume main_~x~0 > 0;main_~x~0 := 1 + main_~x~0; 59#L57-1 assume main_~x~0 > 0;main_~x~0 := 1 + main_~x~0; 69#L67-1 [2019-11-20 05:25:44,598 INFO L796 eck$LassoCheckResult]: Loop: 69#L67-1 assume !!(main_~y~0 < 100 && main_~z~0 < 100);main_~y~0 := main_~y~0 + main_~x~0;main_~z~0 := main_~z~0 - main_~x~0; 69#L67-1 [2019-11-20 05:25:44,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:25:44,599 INFO L82 PathProgramCache]: Analyzing trace with hash -322927901, now seen corresponding path program 1 times [2019-11-20 05:25:44,599 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:25:44,600 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2143906927] [2019-11-20 05:25:44,600 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:25:44,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:25:44,621 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:25:44,622 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2143906927] [2019-11-20 05:25:44,622 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 05:25:44,622 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 05:25:44,622 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2050716628] [2019-11-20 05:25:44,623 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-20 05:25:44,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:25:44,623 INFO L82 PathProgramCache]: Analyzing trace with hash 104, now seen corresponding path program 2 times [2019-11-20 05:25:44,623 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:25:44,624 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [916395009] [2019-11-20 05:25:44,624 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:25:44,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:25:44,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:25:44,632 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 05:25:44,659 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 05:25:44,660 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 05:25:44,660 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 05:25:44,660 INFO L87 Difference]: Start difference. First operand 21 states and 30 transitions. cyclomatic complexity: 10 Second operand 3 states. [2019-11-20 05:25:44,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 05:25:44,710 INFO L93 Difference]: Finished difference Result 22 states and 23 transitions. [2019-11-20 05:25:44,711 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 05:25:44,712 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 22 states and 23 transitions. [2019-11-20 05:25:44,713 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 2 [2019-11-20 05:25:44,714 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 22 states to 22 states and 23 transitions. [2019-11-20 05:25:44,714 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 22 [2019-11-20 05:25:44,714 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 22 [2019-11-20 05:25:44,714 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 23 transitions. [2019-11-20 05:25:44,714 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 05:25:44,714 INFO L688 BuchiCegarLoop]: Abstraction has 22 states and 23 transitions. [2019-11-20 05:25:44,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states and 23 transitions. [2019-11-20 05:25:44,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 21. [2019-11-20 05:25:44,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2019-11-20 05:25:44,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 22 transitions. [2019-11-20 05:25:44,717 INFO L711 BuchiCegarLoop]: Abstraction has 21 states and 22 transitions. [2019-11-20 05:25:44,717 INFO L591 BuchiCegarLoop]: Abstraction has 21 states and 22 transitions. [2019-11-20 05:25:44,717 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-20 05:25:44,717 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 21 states and 22 transitions. [2019-11-20 05:25:44,718 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2019-11-20 05:25:44,718 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 05:25:44,719 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 05:25:44,719 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 05:25:44,719 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2019-11-20 05:25:44,719 INFO L794 eck$LassoCheckResult]: Stem: 116#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_~x~0, main_~y~0, main_~z~0;havoc main_~x~0;havoc main_~y~0;havoc main_~z~0;main_~y~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~z~0 := main_#t~nondet1;havoc main_#t~nondet1; 111#L20 assume !!(-268435455 <= main_~y~0); 112#L21 assume !!(-268435455 <= main_~z~0); 115#L22 assume !(0 != main_#t~nondet2);havoc main_#t~nondet2;main_~x~0 := -1; 113#L22-2 assume !(main_~x~0 > 0);main_~x~0 := main_~x~0 - 1; 105#L27-1 assume !(main_~x~0 > 0);main_~x~0 := main_~x~0 - 1; 106#L32-1 assume !(main_~x~0 > 0);main_~x~0 := main_~x~0 - 1; 114#L37-1 assume !(main_~x~0 > 0);main_~x~0 := main_~x~0 - 1; 109#L42-1 assume !(main_~x~0 > 0);main_~x~0 := main_~x~0 - 1; 110#L47-1 assume !(main_~x~0 > 0);main_~x~0 := main_~x~0 - 1; 123#L52-1 assume !(main_~x~0 > 0);main_~x~0 := main_~x~0 - 1; 122#L57-1 assume !(main_~x~0 > 0);main_~x~0 := main_~x~0 - 1; 118#L67-1 [2019-11-20 05:25:44,720 INFO L796 eck$LassoCheckResult]: Loop: 118#L67-1 assume !!(main_~y~0 < 100 && main_~z~0 < 100);main_~y~0 := main_~y~0 + main_~x~0;main_~z~0 := main_~z~0 - main_~x~0; 118#L67-1 [2019-11-20 05:25:44,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:25:44,720 INFO L82 PathProgramCache]: Analyzing trace with hash 701899747, now seen corresponding path program 1 times [2019-11-20 05:25:44,720 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:25:44,720 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1227243116] [2019-11-20 05:25:44,720 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:25:44,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:25:44,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:25:44,755 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 05:25:44,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:25:44,758 INFO L82 PathProgramCache]: Analyzing trace with hash 104, now seen corresponding path program 3 times [2019-11-20 05:25:44,758 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:25:44,758 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1698354696] [2019-11-20 05:25:44,759 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:25:44,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:25:44,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:25:44,773 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 05:25:44,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:25:44,774 INFO L82 PathProgramCache]: Analyzing trace with hash 284055750, now seen corresponding path program 1 times [2019-11-20 05:25:44,775 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:25:44,775 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1997337503] [2019-11-20 05:25:44,776 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:25:44,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:25:44,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:25:44,817 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 05:25:44,952 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 42 [2019-11-20 05:25:44,980 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 05:25:44,980 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 05:25:44,980 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 05:25:44,981 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 05:25:44,981 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-20 05:25:44,981 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:25:44,981 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 05:25:44,981 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 05:25:44,981 INFO L133 ssoRankerPreferences]: Filename of dumped script: Toulouse-MultiBranchesToLoop-2.c_Iteration3_Lasso [2019-11-20 05:25:44,981 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 05:25:44,981 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 05:25:45,000 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:25:45,005 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:25:45,013 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:25:45,016 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:25:45,019 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:25:45,036 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:25:45,039 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:25:45,130 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 05:25:45,131 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_96f4d123-b471-4643-94bf-a134fc07dbb8/bin/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 05:25:45,146 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 05:25:45,146 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:25:45,153 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-20 05:25:45,153 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0=0} Honda state: {ULTIMATE.start_main_#t~nondet0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_96f4d123-b471-4643-94bf-a134fc07dbb8/bin/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 05:25:45,173 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 05:25:45,173 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:25:45,182 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-20 05:25:45,182 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_96f4d123-b471-4643-94bf-a134fc07dbb8/bin/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 05:25:45,190 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 05:25:45,190 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:25:45,198 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-20 05:25:45,198 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet1=0} Honda state: {ULTIMATE.start_main_#t~nondet1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_96f4d123-b471-4643-94bf-a134fc07dbb8/bin/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 05:25:45,205 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 05:25:45,206 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:25:45,211 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-20 05:25:45,211 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet2=0} Honda state: {ULTIMATE.start_main_#t~nondet2=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_96f4d123-b471-4643-94bf-a134fc07dbb8/bin/uautomizer/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 [2019-11-20 05:25:45,229 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 05:25:45,233 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_96f4d123-b471-4643-94bf-a134fc07dbb8/bin/uautomizer/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 [2019-11-20 05:25:45,245 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-20 05:25:45,246 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-20 05:25:45,258 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-20 05:25:45,260 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 05:25:45,260 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 05:25:45,260 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 05:25:45,261 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 05:25:45,261 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-20 05:25:45,261 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:25:45,261 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 05:25:45,261 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 05:25:45,261 INFO L133 ssoRankerPreferences]: Filename of dumped script: Toulouse-MultiBranchesToLoop-2.c_Iteration3_Lasso [2019-11-20 05:25:45,261 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 05:25:45,261 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 05:25:45,263 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:25:45,267 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:25:45,270 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:25:45,273 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:25:45,304 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:25:45,307 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:25:45,309 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:25:45,405 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 05:25:45,410 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_96f4d123-b471-4643-94bf-a134fc07dbb8/bin/uautomizer/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 [2019-11-20 05:25:45,425 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 [2019-11-20 05:25:45,431 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:25:45,431 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:25:45,432 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:25:45,432 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:25:45,438 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 05:25:45,439 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 05:25:45,443 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_96f4d123-b471-4643-94bf-a134fc07dbb8/bin/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 05:25:45,458 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 [2019-11-20 05:25:45,461 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:25:45,461 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 05:25:45,462 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:25:45,462 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:25:45,462 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:25:45,464 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 05:25:45,464 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:25:45,467 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_96f4d123-b471-4643-94bf-a134fc07dbb8/bin/uautomizer/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 05:25:45,482 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 [2019-11-20 05:25:45,484 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:25:45,484 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 05:25:45,485 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:25:45,485 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:25:45,485 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:25:45,485 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 05:25:45,486 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:25:45,488 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_96f4d123-b471-4643-94bf-a134fc07dbb8/bin/uautomizer/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 [2019-11-20 05:25:45,498 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 [2019-11-20 05:25:45,501 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:25:45,501 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:25:45,501 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:25:45,502 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:25:45,510 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 05:25:45,510 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 05:25:45,525 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-20 05:25:45,560 INFO L443 ModelExtractionUtils]: Simplification made 9 calls to the SMT solver. [2019-11-20 05:25:45,560 INFO L444 ModelExtractionUtils]: 0 out of 13 variables were initially zero. Simplification set additionally 4 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_96f4d123-b471-4643-94bf-a134fc07dbb8/bin/uautomizer/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 05:25:45,576 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:25:45,586 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 2. [2019-11-20 05:25:45,586 INFO L510 LassoAnalysis]: Proved termination. [2019-11-20 05:25:45,587 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0) = 9*ULTIMATE.start_main_~y~0 - 536871010*ULTIMATE.start_main_~x~0 Supporting invariants [-1*ULTIMATE.start_main_~x~0 - 2 >= 0, 9*ULTIMATE.start_main_~y~0 + 9*ULTIMATE.start_main_~z~0 - 536871010*ULTIMATE.start_main_~x~0 - 900 >= 0] [2019-11-20 05:25:45,609 INFO L297 tatePredicateManager]: 0 out of 2 supporting invariants were superfluous and have been removed [2019-11-20 05:25:45,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:25:45,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:25:45,684 INFO L255 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 14 conjunts are in the unsatisfiable core [2019-11-20 05:25:45,687 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:25:46,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:25:46,038 WARN L253 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-20 05:25:46,039 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:25:46,039 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:25:46,042 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.11 stem predicates 1 loop predicates [2019-11-20 05:25:46,043 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 21 states and 22 transitions. cyclomatic complexity: 2 Second operand 12 states. [2019-11-20 05:25:46,384 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 21 states and 22 transitions. cyclomatic complexity: 2. Second operand 12 states. Result 24 states and 25 transitions. Complement of second has 12 states. [2019-11-20 05:25:46,386 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 12 states 11 stem states 0 non-accepting loop states 1 accepting loop states [2019-11-20 05:25:46,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2019-11-20 05:25:46,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 24 transitions. [2019-11-20 05:25:46,389 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 12 states and 24 transitions. Stem has 12 letters. Loop has 1 letters. [2019-11-20 05:25:46,390 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 05:25:46,390 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 12 states and 24 transitions. Stem has 13 letters. Loop has 1 letters. [2019-11-20 05:25:46,390 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 05:25:46,390 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 12 states and 24 transitions. Stem has 12 letters. Loop has 2 letters. [2019-11-20 05:25:46,390 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 05:25:46,390 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 25 transitions. [2019-11-20 05:25:46,391 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2019-11-20 05:25:46,392 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 14 states and 14 transitions. [2019-11-20 05:25:46,392 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2019-11-20 05:25:46,392 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2019-11-20 05:25:46,392 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 14 transitions. [2019-11-20 05:25:46,392 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 05:25:46,392 INFO L688 BuchiCegarLoop]: Abstraction has 14 states and 14 transitions. [2019-11-20 05:25:46,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states and 14 transitions. [2019-11-20 05:25:46,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 13. [2019-11-20 05:25:46,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2019-11-20 05:25:46,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 13 transitions. [2019-11-20 05:25:46,398 INFO L711 BuchiCegarLoop]: Abstraction has 13 states and 13 transitions. [2019-11-20 05:25:46,398 INFO L591 BuchiCegarLoop]: Abstraction has 13 states and 13 transitions. [2019-11-20 05:25:46,398 INFO L424 BuchiCegarLoop]: ======== Iteration 4============ [2019-11-20 05:25:46,398 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 13 transitions. [2019-11-20 05:25:46,399 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2019-11-20 05:25:46,399 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 05:25:46,399 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 05:25:46,400 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 05:25:46,400 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2019-11-20 05:25:46,400 INFO L794 eck$LassoCheckResult]: Stem: 259#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_~x~0, main_~y~0, main_~z~0;havoc main_~x~0;havoc main_~y~0;havoc main_~z~0;main_~y~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~z~0 := main_#t~nondet1;havoc main_#t~nondet1; 254#L20 assume !!(-268435455 <= main_~y~0); 255#L21 assume !!(-268435455 <= main_~z~0); 258#L22 assume 0 != main_#t~nondet2;havoc main_#t~nondet2;main_~x~0 := 1; 256#L22-2 assume main_~x~0 > 0;main_~x~0 := 1 + main_~x~0; 248#L27-1 assume main_~x~0 > 0;main_~x~0 := 1 + main_~x~0; 249#L32-1 assume main_~x~0 > 0;main_~x~0 := 1 + main_~x~0; 257#L37-1 assume main_~x~0 > 0;main_~x~0 := 1 + main_~x~0; 252#L42-1 assume main_~x~0 > 0;main_~x~0 := 1 + main_~x~0; 253#L47-1 assume main_~x~0 > 0;main_~x~0 := 1 + main_~x~0; 250#L52-1 assume main_~x~0 > 0;main_~x~0 := 1 + main_~x~0; 251#L57-1 assume main_~x~0 > 0;main_~x~0 := 1 + main_~x~0; 260#L67-1 [2019-11-20 05:25:46,401 INFO L796 eck$LassoCheckResult]: Loop: 260#L67-1 assume !!(main_~y~0 < 100 && main_~z~0 < 100);main_~y~0 := main_~y~0 + main_~x~0;main_~z~0 := main_~z~0 - main_~x~0; 260#L67-1 [2019-11-20 05:25:46,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:25:46,401 INFO L82 PathProgramCache]: Analyzing trace with hash -1002986271, now seen corresponding path program 1 times [2019-11-20 05:25:46,401 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:25:46,401 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [281239917] [2019-11-20 05:25:46,402 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:25:46,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:25:46,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:25:46,439 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 05:25:46,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:25:46,440 INFO L82 PathProgramCache]: Analyzing trace with hash 104, now seen corresponding path program 4 times [2019-11-20 05:25:46,441 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:25:46,441 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1325938765] [2019-11-20 05:25:46,441 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:25:46,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:25:46,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:25:46,453 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 05:25:46,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:25:46,455 INFO L82 PathProgramCache]: Analyzing trace with hash -1027803256, now seen corresponding path program 1 times [2019-11-20 05:25:46,455 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:25:46,456 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [220085619] [2019-11-20 05:25:46,456 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:25:46,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:25:46,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:25:46,490 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 05:25:46,626 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 05:25:46,627 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 05:25:46,627 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 05:25:46,627 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 05:25:46,627 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-20 05:25:46,627 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:25:46,627 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 05:25:46,627 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 05:25:46,627 INFO L133 ssoRankerPreferences]: Filename of dumped script: Toulouse-MultiBranchesToLoop-2.c_Iteration4_Lasso [2019-11-20 05:25:46,627 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 05:25:46,627 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 05:25:46,629 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:25:46,633 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:25:46,639 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:25:46,642 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:25:46,644 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:25:46,651 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:25:46,653 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:25:46,748 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 05:25:46,748 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_96f4d123-b471-4643-94bf-a134fc07dbb8/bin/uautomizer/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 05:25:46,753 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 05:25:46,753 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:25:46,757 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-20 05:25:46,761 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_3=0} Honda state: {v_rep~unnamed0~0~false_3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_96f4d123-b471-4643-94bf-a134fc07dbb8/bin/uautomizer/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 05:25:46,770 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 05:25:46,771 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:25:46,776 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-20 05:25:46,776 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0=0} Honda state: {ULTIMATE.start_main_#t~nondet0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_96f4d123-b471-4643-94bf-a134fc07dbb8/bin/uautomizer/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 05:25:46,785 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 05:25:46,785 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:25:46,790 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-20 05:25:46,790 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet1=0} Honda state: {ULTIMATE.start_main_#t~nondet1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_96f4d123-b471-4643-94bf-a134fc07dbb8/bin/uautomizer/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 05:25:46,803 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 05:25:46,804 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:25:46,807 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-20 05:25:46,808 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet2=0} Honda state: {ULTIMATE.start_main_#t~nondet2=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_96f4d123-b471-4643-94bf-a134fc07dbb8/bin/uautomizer/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 05:25:46,820 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 05:25:46,820 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:25:46,826 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-20 05:25:46,826 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_3=1} Honda state: {v_rep~unnamed0~0~true_3=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_96f4d123-b471-4643-94bf-a134fc07dbb8/bin/uautomizer/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 05:25:46,838 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 05:25:46,838 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:25:46,842 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-20 05:25:46,842 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res=0} Honda state: {ULTIMATE.start_main_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_96f4d123-b471-4643-94bf-a134fc07dbb8/bin/uautomizer/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 [2019-11-20 05:25:46,855 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 05:25:46,855 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_96f4d123-b471-4643-94bf-a134fc07dbb8/bin/uautomizer/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 05:25:46,882 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-20 05:25:46,883 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:25:46,895 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-20 05:25:46,899 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 05:25:46,899 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 05:25:46,899 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 05:25:46,899 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 05:25:46,899 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-20 05:25:46,899 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:25:46,900 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 05:25:46,900 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 05:25:46,900 INFO L133 ssoRankerPreferences]: Filename of dumped script: Toulouse-MultiBranchesToLoop-2.c_Iteration4_Lasso [2019-11-20 05:25:46,900 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 05:25:46,900 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 05:25:46,901 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:25:46,908 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:25:46,910 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:25:46,912 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:25:46,915 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:25:46,917 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:25:46,920 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:25:47,024 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 05:25:47,024 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_96f4d123-b471-4643-94bf-a134fc07dbb8/bin/uautomizer/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 [2019-11-20 05:25:47,051 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 [2019-11-20 05:25:47,053 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:25:47,053 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:25:47,053 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:25:47,053 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:25:47,056 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 05:25:47,056 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 05:25:47,059 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_96f4d123-b471-4643-94bf-a134fc07dbb8/bin/uautomizer/z3 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 05:25:47,066 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 [2019-11-20 05:25:47,067 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:25:47,068 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 05:25:47,068 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:25:47,068 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:25:47,068 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:25:47,069 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 05:25:47,069 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:25:47,070 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_96f4d123-b471-4643-94bf-a134fc07dbb8/bin/uautomizer/z3 Starting monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 05:25:47,076 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 [2019-11-20 05:25:47,078 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:25:47,078 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 05:25:47,078 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:25:47,078 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:25:47,079 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:25:47,079 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 05:25:47,079 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 [2019-11-20 05:25:47,081 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_96f4d123-b471-4643-94bf-a134fc07dbb8/bin/uautomizer/z3 Starting monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 05:25:47,087 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 [2019-11-20 05:25:47,088 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:25:47,089 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 05:25:47,089 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:25:47,089 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:25:47,089 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:25:47,090 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 05:25:47,090 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:25:47,091 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_96f4d123-b471-4643-94bf-a134fc07dbb8/bin/uautomizer/z3 Starting monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 05:25:47,097 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 [2019-11-20 05:25:47,099 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:25:47,099 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 05:25:47,099 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:25:47,099 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:25:47,099 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:25:47,100 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 05:25:47,100 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:25:47,102 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_96f4d123-b471-4643-94bf-a134fc07dbb8/bin/uautomizer/z3 Starting monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 05:25:47,107 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 [2019-11-20 05:25:47,109 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:25:47,109 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:25:47,109 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:25:47,110 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:25:47,112 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 05:25:47,112 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:25:47,116 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_96f4d123-b471-4643-94bf-a134fc07dbb8/bin/uautomizer/z3 Starting monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 05:25:47,125 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 [2019-11-20 05:25:47,127 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:25:47,127 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:25:47,127 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:25:47,127 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:25:47,132 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 05:25:47,133 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:25:47,142 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-20 05:25:47,196 INFO L443 ModelExtractionUtils]: Simplification made 9 calls to the SMT solver. [2019-11-20 05:25:47,196 INFO L444 ModelExtractionUtils]: 0 out of 13 variables were initially zero. Simplification set additionally 8 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_96f4d123-b471-4643-94bf-a134fc07dbb8/bin/uautomizer/z3 Starting monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:25:47,200 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-20 05:25:47,202 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2019-11-20 05:25:47,202 INFO L510 LassoAnalysis]: Proved termination. [2019-11-20 05:25:47,202 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0) = -1*ULTIMATE.start_main_~y~0 + 100 Supporting invariants [1*ULTIMATE.start_main_~x~0 - 2 >= 0] [2019-11-20 05:25:47,206 INFO L297 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2019-11-20 05:25:47,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:25:47,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:25:47,252 INFO L255 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 11 conjunts are in the unsatisfiable core [2019-11-20 05:25:47,253 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:25:47,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:25:47,366 WARN L253 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-20 05:25:47,367 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:25:47,367 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:25:47,367 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.9 stem predicates 1 loop predicates [2019-11-20 05:25:47,367 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states and 13 transitions. cyclomatic complexity: 1 Second operand 10 states. [2019-11-20 05:25:47,513 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states and 13 transitions. cyclomatic complexity: 1. Second operand 10 states. Result 14 states and 14 transitions. Complement of second has 10 states. [2019-11-20 05:25:47,514 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 10 states 9 stem states 0 non-accepting loop states 1 accepting loop states [2019-11-20 05:25:47,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2019-11-20 05:25:47,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 13 transitions. [2019-11-20 05:25:47,515 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 13 transitions. Stem has 12 letters. Loop has 1 letters. [2019-11-20 05:25:47,515 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 05:25:47,515 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 13 transitions. Stem has 13 letters. Loop has 1 letters. [2019-11-20 05:25:47,515 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 05:25:47,515 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 13 transitions. Stem has 12 letters. Loop has 2 letters. [2019-11-20 05:25:47,515 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 05:25:47,515 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 14 states and 14 transitions. [2019-11-20 05:25:47,516 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-20 05:25:47,516 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 14 states to 0 states and 0 transitions. [2019-11-20 05:25:47,516 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-20 05:25:47,516 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-20 05:25:47,516 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-20 05:25:47,517 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 05:25:47,517 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 05:25:47,517 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 05:25:47,517 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 05:25:47,517 INFO L424 BuchiCegarLoop]: ======== Iteration 5============ [2019-11-20 05:25:47,517 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-20 05:25:47,517 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-20 05:25:47,517 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-20 05:25:47,522 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 05:25:47 BoogieIcfgContainer [2019-11-20 05:25:47,523 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-20 05:25:47,523 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 05:25:47,523 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 05:25:47,523 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 05:25:47,523 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:25:44" (3/4) ... [2019-11-20 05:25:47,527 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-20 05:25:47,527 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 05:25:47,529 INFO L168 Benchmark]: Toolchain (without parser) took 4058.02 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 951.5 MB in the beginning and 950.3 MB in the end (delta: 1.1 MB). Peak memory consumption was 136.4 MB. Max. memory is 11.5 GB. [2019-11-20 05:25:47,529 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 05:25:47,530 INFO L168 Benchmark]: CACSL2BoogieTranslator took 266.70 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 951.5 MB in the beginning and 1.1 GB in the end (delta: -181.2 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. [2019-11-20 05:25:47,531 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.61 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 05:25:47,531 INFO L168 Benchmark]: Boogie Preprocessor took 31.27 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2019-11-20 05:25:47,532 INFO L168 Benchmark]: RCFGBuilder took 266.60 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. [2019-11-20 05:25:47,532 INFO L168 Benchmark]: BuchiAutomizer took 3451.67 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 950.3 MB in the end (delta: 162.7 MB). Peak memory consumption was 162.7 MB. Max. memory is 11.5 GB. [2019-11-20 05:25:47,533 INFO L168 Benchmark]: Witness Printer took 4.61 ms. Allocated memory is still 1.2 GB. Free memory is still 950.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 05:25:47,535 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 266.70 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 951.5 MB in the beginning and 1.1 GB in the end (delta: -181.2 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 33.61 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 31.27 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 266.60 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 3451.67 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 950.3 MB in the end (delta: 162.7 MB). Peak memory consumption was 162.7 MB. Max. memory is 11.5 GB. * Witness Printer took 4.61 ms. Allocated memory is still 1.2 GB. Free memory is still 950.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 4 terminating modules (2 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function 9 * y + -536871010 * x and consists of 12 locations. One deterministic module has affine ranking function -1 * y + 100 and consists of 10 locations. 2 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.3s and 5 iterations. TraceHistogramMax:1. Analysis of lassos took 1.9s. Construction of modules took 0.2s. Büchi inclusion checks took 1.0s. Highest rank in rank-based complementation 3. Minimization of det autom 4. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 3 StatesRemovedByMinimization, 3 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 21 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 52 SDtfs, 32 SDslu, 16 SDs, 0 SdLazy, 108 SolverSat, 89 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN2 SILU0 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital34 mio100 ax135 hnf95 lsp72 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq153 hnf93 smp100 dnf100 smp100 tf100 neg100 sie108 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 32ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 10 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...