./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted-lit/aviad.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c2a9c8-16f3-4d3d-8874-60d043bf50c6/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c2a9c8-16f3-4d3d-8874-60d043bf50c6/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c2a9c8-16f3-4d3d-8874-60d043bf50c6/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c2a9c8-16f3-4d3d-8874-60d043bf50c6/bin/uautomizer-Dbtcem3rbc/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted-lit/aviad.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c2a9c8-16f3-4d3d-8874-60d043bf50c6/bin/uautomizer-Dbtcem3rbc/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c2a9c8-16f3-4d3d-8874-60d043bf50c6/bin/uautomizer-Dbtcem3rbc --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 212c9b1b6a93f8f17548e7937584929a6b6ed1677eb6287f5deae898fbaeb3a4 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-02 20:36:11,608 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 20:36:11,615 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 20:36:11,679 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 20:36:11,680 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 20:36:11,689 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 20:36:11,690 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 20:36:11,694 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 20:36:11,698 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 20:36:11,702 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 20:36:11,703 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 20:36:11,708 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 20:36:11,709 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 20:36:11,715 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 20:36:11,717 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 20:36:11,720 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 20:36:11,722 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 20:36:11,724 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 20:36:11,726 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 20:36:11,735 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 20:36:11,738 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 20:36:11,740 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 20:36:11,744 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 20:36:11,745 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 20:36:11,757 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 20:36:11,758 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 20:36:11,759 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 20:36:11,761 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 20:36:11,762 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 20:36:11,763 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 20:36:11,765 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 20:36:11,767 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 20:36:11,769 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 20:36:11,771 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 20:36:11,772 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 20:36:11,773 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 20:36:11,774 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 20:36:11,774 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 20:36:11,774 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 20:36:11,775 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 20:36:11,776 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 20:36:11,777 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c2a9c8-16f3-4d3d-8874-60d043bf50c6/bin/uautomizer-Dbtcem3rbc/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-11-02 20:36:11,830 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 20:36:11,830 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 20:36:11,831 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 20:36:11,831 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 20:36:11,833 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 20:36:11,833 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 20:36:11,834 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 20:36:11,834 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-02 20:36:11,834 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-02 20:36:11,835 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-02 20:36:11,836 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-02 20:36:11,836 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-02 20:36:11,837 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-02 20:36:11,837 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 20:36:11,837 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-02 20:36:11,838 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 20:36:11,838 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 20:36:11,838 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-02 20:36:11,839 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-02 20:36:11,839 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-02 20:36:11,839 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 20:36:11,839 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-02 20:36:11,840 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 20:36:11,840 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-02 20:36:11,840 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 20:36:11,841 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 20:36:11,841 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 20:36:11,841 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 20:36:11,843 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-02 20:36:11,843 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c2a9c8-16f3-4d3d-8874-60d043bf50c6/bin/uautomizer-Dbtcem3rbc/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c2a9c8-16f3-4d3d-8874-60d043bf50c6/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 212c9b1b6a93f8f17548e7937584929a6b6ed1677eb6287f5deae898fbaeb3a4 [2022-11-02 20:36:12,182 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 20:36:12,225 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 20:36:12,229 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 20:36:12,231 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 20:36:12,235 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 20:36:12,236 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c2a9c8-16f3-4d3d-8874-60d043bf50c6/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/termination-crafted-lit/aviad.c [2022-11-02 20:36:12,338 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c2a9c8-16f3-4d3d-8874-60d043bf50c6/bin/uautomizer-Dbtcem3rbc/data/843d6a765/464b3dd0cb334481acb08ad906804f69/FLAGa70ba3e5e [2022-11-02 20:36:12,878 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 20:36:12,878 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c2a9c8-16f3-4d3d-8874-60d043bf50c6/sv-benchmarks/c/termination-crafted-lit/aviad.c [2022-11-02 20:36:12,886 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c2a9c8-16f3-4d3d-8874-60d043bf50c6/bin/uautomizer-Dbtcem3rbc/data/843d6a765/464b3dd0cb334481acb08ad906804f69/FLAGa70ba3e5e [2022-11-02 20:36:13,274 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c2a9c8-16f3-4d3d-8874-60d043bf50c6/bin/uautomizer-Dbtcem3rbc/data/843d6a765/464b3dd0cb334481acb08ad906804f69 [2022-11-02 20:36:13,278 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 20:36:13,281 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 20:36:13,286 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 20:36:13,287 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 20:36:13,291 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 20:36:13,292 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:36:13" (1/1) ... [2022-11-02 20:36:13,294 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12b1679d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:36:13, skipping insertion in model container [2022-11-02 20:36:13,295 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:36:13" (1/1) ... [2022-11-02 20:36:13,305 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 20:36:13,321 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 20:36:13,584 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:36:13,588 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 20:36:13,630 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:36:13,646 INFO L208 MainTranslator]: Completed translation [2022-11-02 20:36:13,646 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:36:13 WrapperNode [2022-11-02 20:36:13,647 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 20:36:13,648 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 20:36:13,648 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 20:36:13,649 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 20:36:13,658 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:36:13" (1/1) ... [2022-11-02 20:36:13,663 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:36:13" (1/1) ... [2022-11-02 20:36:13,683 INFO L138 Inliner]: procedures = 5, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 25 [2022-11-02 20:36:13,683 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 20:36:13,684 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 20:36:13,684 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 20:36:13,685 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 20:36:13,693 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:36:13" (1/1) ... [2022-11-02 20:36:13,693 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:36:13" (1/1) ... [2022-11-02 20:36:13,694 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:36:13" (1/1) ... [2022-11-02 20:36:13,694 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:36:13" (1/1) ... [2022-11-02 20:36:13,696 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:36:13" (1/1) ... [2022-11-02 20:36:13,700 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:36:13" (1/1) ... [2022-11-02 20:36:13,701 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:36:13" (1/1) ... [2022-11-02 20:36:13,702 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:36:13" (1/1) ... [2022-11-02 20:36:13,703 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 20:36:13,704 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 20:36:13,705 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 20:36:13,705 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 20:36:13,706 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:36:13" (1/1) ... [2022-11-02 20:36:13,717 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:36:13,730 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c2a9c8-16f3-4d3d-8874-60d043bf50c6/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:36:13,744 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c2a9c8-16f3-4d3d-8874-60d043bf50c6/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:36:13,762 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c2a9c8-16f3-4d3d-8874-60d043bf50c6/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-02 20:36:13,804 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 20:36:13,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 20:36:13,872 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 20:36:13,875 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 20:36:13,992 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 20:36:14,001 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 20:36:14,001 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-02 20:36:14,004 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:36:14 BoogieIcfgContainer [2022-11-02 20:36:14,004 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 20:36:14,005 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-02 20:36:14,005 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-02 20:36:14,010 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-02 20:36:14,011 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-02 20:36:14,012 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 02.11 08:36:13" (1/3) ... [2022-11-02 20:36:14,013 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@52f43f9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.11 08:36:14, skipping insertion in model container [2022-11-02 20:36:14,013 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-02 20:36:14,013 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:36:13" (2/3) ... [2022-11-02 20:36:14,014 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@52f43f9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.11 08:36:14, skipping insertion in model container [2022-11-02 20:36:14,014 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-02 20:36:14,014 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:36:14" (3/3) ... [2022-11-02 20:36:14,016 INFO L332 chiAutomizerObserver]: Analyzing ICFG aviad.c [2022-11-02 20:36:14,082 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-02 20:36:14,083 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-02 20:36:14,083 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-02 20:36:14,083 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-02 20:36:14,083 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-02 20:36:14,084 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-02 20:36:14,084 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-02 20:36:14,084 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-02 20:36:14,089 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:36:14,109 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-02 20:36:14,110 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 20:36:14,110 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 20:36:14,116 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-02 20:36:14,117 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-02 20:36:14,117 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-02 20:36:14,117 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:36:14,119 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-02 20:36:14,119 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 20:36:14,119 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 20:36:14,120 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-02 20:36:14,120 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-02 20:36:14,129 INFO L748 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 8#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~ret2#1, main_~x~0#1, main_~count~1#1;main_~x~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;assume { :begin_inline_f } true;f_#in~a#1 := main_~x~0#1;havoc f_#res#1;havoc f_#t~post0#1, f_~a#1, f_~tmp~0#1, f_~count~0#1;f_~a#1 := f_#in~a#1;havoc f_~tmp~0#1;f_~count~0#1 := 0; 10#L11-2true [2022-11-02 20:36:14,129 INFO L750 eck$LassoCheckResult]: Loop: 10#L11-2true assume !!(f_~a#1 > 1);f_~tmp~0#1 := (if f_~a#1 < 0 && 0 != f_~a#1 % 2 then f_~a#1 % 2 - 2 else f_~a#1 % 2); 5#L13true assume !(0 == f_~tmp~0#1);f_~a#1 := f_~a#1 - 1; 6#L13-2true f_#t~post0#1 := f_~count~0#1;f_~count~0#1 := 1 + f_#t~post0#1;havoc f_#t~post0#1; 10#L11-2true [2022-11-02 20:36:14,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:36:14,136 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2022-11-02 20:36:14,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:36:14,148 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [65990980] [2022-11-02 20:36:14,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:36:14,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:36:14,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:36:14,289 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:36:14,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:36:14,325 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:36:14,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:36:14,330 INFO L85 PathProgramCache]: Analyzing trace with hash 40876, now seen corresponding path program 1 times [2022-11-02 20:36:14,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:36:14,332 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1102546737] [2022-11-02 20:36:14,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:36:14,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:36:14,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:36:14,374 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:36:14,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:36:14,389 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:36:14,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:36:14,399 INFO L85 PathProgramCache]: Analyzing trace with hash 28699818, now seen corresponding path program 1 times [2022-11-02 20:36:14,399 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:36:14,400 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1161290732] [2022-11-02 20:36:14,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:36:14,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:36:14,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:36:14,420 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:36:14,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:36:14,452 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:36:14,662 INFO L210 LassoAnalysis]: Preferences: [2022-11-02 20:36:14,663 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-02 20:36:14,663 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-02 20:36:14,664 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-02 20:36:14,664 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-02 20:36:14,664 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:36:14,665 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-02 20:36:14,665 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-02 20:36:14,665 INFO L133 ssoRankerPreferences]: Filename of dumped script: aviad.c_Iteration1_Loop [2022-11-02 20:36:14,665 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-02 20:36:14,666 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-02 20:36:14,691 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:36:14,710 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:36:14,716 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:36:15,010 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-02 20:36:15,012 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-02 20:36:15,015 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:36:15,015 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c2a9c8-16f3-4d3d-8874-60d043bf50c6/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:36:15,018 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c2a9c8-16f3-4d3d-8874-60d043bf50c6/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:36:15,022 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c2a9c8-16f3-4d3d-8874-60d043bf50c6/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-02 20:36:15,022 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-02 20:36:15,023 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-02 20:36:15,102 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c2a9c8-16f3-4d3d-8874-60d043bf50c6/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-11-02 20:36:15,102 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:36:15,103 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c2a9c8-16f3-4d3d-8874-60d043bf50c6/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:36:15,105 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c2a9c8-16f3-4d3d-8874-60d043bf50c6/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:36:15,107 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c2a9c8-16f3-4d3d-8874-60d043bf50c6/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-02 20:36:15,109 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-02 20:36:15,109 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-02 20:36:15,161 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-02 20:36:15,162 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_~count~0#1=0} Honda state: {ULTIMATE.start_f_~count~0#1=0} Generalized eigenvectors: [{ULTIMATE.start_f_~count~0#1=3}, {ULTIMATE.start_f_~count~0#1=-1}, {ULTIMATE.start_f_~count~0#1=-1}] Lambdas: [1, 0, 1] Nus: [0, 1] [2022-11-02 20:36:15,192 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c2a9c8-16f3-4d3d-8874-60d043bf50c6/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2022-11-02 20:36:15,193 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:36:15,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c2a9c8-16f3-4d3d-8874-60d043bf50c6/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:36:15,195 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c2a9c8-16f3-4d3d-8874-60d043bf50c6/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:36:15,198 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-02 20:36:15,198 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-02 20:36:15,210 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c2a9c8-16f3-4d3d-8874-60d043bf50c6/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-02 20:36:15,228 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-02 20:36:15,229 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_#t~post0#1=0} Honda state: {ULTIMATE.start_f_#t~post0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-02 20:36:15,279 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c2a9c8-16f3-4d3d-8874-60d043bf50c6/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-11-02 20:36:15,280 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:36:15,280 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c2a9c8-16f3-4d3d-8874-60d043bf50c6/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:36:15,281 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c2a9c8-16f3-4d3d-8874-60d043bf50c6/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:36:15,283 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c2a9c8-16f3-4d3d-8874-60d043bf50c6/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-02 20:36:15,285 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-02 20:36:15,285 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-02 20:36:15,349 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c2a9c8-16f3-4d3d-8874-60d043bf50c6/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-11-02 20:36:15,350 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:36:15,351 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c2a9c8-16f3-4d3d-8874-60d043bf50c6/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:36:15,353 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c2a9c8-16f3-4d3d-8874-60d043bf50c6/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:36:15,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c2a9c8-16f3-4d3d-8874-60d043bf50c6/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-02 20:36:15,363 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-02 20:36:15,363 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-02 20:36:15,451 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-02 20:36:15,462 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c2a9c8-16f3-4d3d-8874-60d043bf50c6/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-11-02 20:36:15,462 INFO L210 LassoAnalysis]: Preferences: [2022-11-02 20:36:15,462 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-02 20:36:15,463 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-02 20:36:15,463 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-02 20:36:15,463 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-02 20:36:15,463 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:36:15,463 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-02 20:36:15,464 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-02 20:36:15,464 INFO L133 ssoRankerPreferences]: Filename of dumped script: aviad.c_Iteration1_Loop [2022-11-02 20:36:15,464 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-02 20:36:15,464 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-02 20:36:15,466 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:36:15,481 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:36:15,486 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:36:15,690 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-02 20:36:15,695 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-02 20:36:15,697 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:36:15,697 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c2a9c8-16f3-4d3d-8874-60d043bf50c6/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:36:15,699 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c2a9c8-16f3-4d3d-8874-60d043bf50c6/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:36:15,708 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:36:15,718 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c2a9c8-16f3-4d3d-8874-60d043bf50c6/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-02 20:36:15,725 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:36:15,725 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:36:15,726 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:36:15,726 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:36:15,726 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:36:15,729 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:36:15,729 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:36:15,740 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:36:15,788 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c2a9c8-16f3-4d3d-8874-60d043bf50c6/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2022-11-02 20:36:15,788 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:36:15,788 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c2a9c8-16f3-4d3d-8874-60d043bf50c6/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:36:15,790 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c2a9c8-16f3-4d3d-8874-60d043bf50c6/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:36:15,809 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c2a9c8-16f3-4d3d-8874-60d043bf50c6/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-11-02 20:36:15,814 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:36:15,832 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:36:15,833 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:36:15,833 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:36:15,833 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:36:15,833 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:36:15,841 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:36:15,841 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:36:15,866 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:36:15,912 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c2a9c8-16f3-4d3d-8874-60d043bf50c6/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-11-02 20:36:15,913 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:36:15,913 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c2a9c8-16f3-4d3d-8874-60d043bf50c6/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:36:15,914 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c2a9c8-16f3-4d3d-8874-60d043bf50c6/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:36:15,916 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c2a9c8-16f3-4d3d-8874-60d043bf50c6/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-11-02 20:36:15,918 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:36:15,931 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:36:15,931 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:36:15,931 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:36:15,932 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:36:15,932 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:36:15,942 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:36:15,942 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:36:15,950 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-02 20:36:15,955 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2022-11-02 20:36:15,955 INFO L444 ModelExtractionUtils]: 2 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-11-02 20:36:15,957 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:36:15,958 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c2a9c8-16f3-4d3d-8874-60d043bf50c6/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:36:15,959 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c2a9c8-16f3-4d3d-8874-60d043bf50c6/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:36:15,961 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c2a9c8-16f3-4d3d-8874-60d043bf50c6/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-11-02 20:36:15,961 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-02 20:36:15,962 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-11-02 20:36:15,962 INFO L513 LassoAnalysis]: Proved termination. [2022-11-02 20:36:15,963 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_f_~a#1) = 1*ULTIMATE.start_f_~a#1 Supporting invariants [] [2022-11-02 20:36:15,992 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c2a9c8-16f3-4d3d-8874-60d043bf50c6/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-11-02 20:36:15,996 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-11-02 20:36:16,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:36:16,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:36:16,039 INFO L263 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-02 20:36:16,040 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:36:16,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:36:16,061 INFO L263 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-02 20:36:16,062 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:36:16,127 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:36:16,167 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2022-11-02 20:36:16,170 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:36:16,220 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 25 states and 29 transitions. Complement of second has 7 states. [2022-11-02 20:36:16,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2022-11-02 20:36:16,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:36:16,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 19 transitions. [2022-11-02 20:36:16,232 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 19 transitions. Stem has 2 letters. Loop has 3 letters. [2022-11-02 20:36:16,233 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-02 20:36:16,233 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 19 transitions. Stem has 5 letters. Loop has 3 letters. [2022-11-02 20:36:16,234 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-02 20:36:16,234 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 19 transitions. Stem has 2 letters. Loop has 6 letters. [2022-11-02 20:36:16,235 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-02 20:36:16,236 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 25 states and 29 transitions. [2022-11-02 20:36:16,239 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-02 20:36:16,242 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 25 states to 0 states and 0 transitions. [2022-11-02 20:36:16,243 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-11-02 20:36:16,243 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-11-02 20:36:16,243 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-11-02 20:36:16,243 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:36:16,244 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-02 20:36:16,244 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-02 20:36:16,244 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-02 20:36:16,244 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-02 20:36:16,244 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-11-02 20:36:16,244 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-02 20:36:16,244 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-11-02 20:36:16,251 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 02.11 08:36:16 BoogieIcfgContainer [2022-11-02 20:36:16,252 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-02 20:36:16,252 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-02 20:36:16,252 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-02 20:36:16,253 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-02 20:36:16,253 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:36:14" (3/4) ... [2022-11-02 20:36:16,256 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-02 20:36:16,256 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-02 20:36:16,257 INFO L158 Benchmark]: Toolchain (without parser) took 2975.63ms. Allocated memory was 104.9MB in the beginning and 130.0MB in the end (delta: 25.2MB). Free memory was 74.1MB in the beginning and 76.1MB in the end (delta: -2.0MB). Peak memory consumption was 21.9MB. Max. memory is 16.1GB. [2022-11-02 20:36:16,258 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 104.9MB. Free memory was 61.9MB in the beginning and 61.9MB in the end (delta: 42.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:36:16,259 INFO L158 Benchmark]: CACSL2BoogieTranslator took 360.97ms. Allocated memory is still 104.9MB. Free memory was 73.9MB in the beginning and 82.3MB in the end (delta: -8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-02 20:36:16,259 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.46ms. Allocated memory is still 104.9MB. Free memory was 82.3MB in the beginning and 81.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:36:16,260 INFO L158 Benchmark]: Boogie Preprocessor took 19.36ms. Allocated memory is still 104.9MB. Free memory was 81.0MB in the beginning and 79.9MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 20:36:16,261 INFO L158 Benchmark]: RCFGBuilder took 299.85ms. Allocated memory is still 104.9MB. Free memory was 79.9MB in the beginning and 71.1MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-02 20:36:16,262 INFO L158 Benchmark]: BuchiAutomizer took 2246.63ms. Allocated memory was 104.9MB in the beginning and 130.0MB in the end (delta: 25.2MB). Free memory was 71.1MB in the beginning and 76.1MB in the end (delta: -5.1MB). Peak memory consumption was 20.8MB. Max. memory is 16.1GB. [2022-11-02 20:36:16,262 INFO L158 Benchmark]: Witness Printer took 3.93ms. Allocated memory is still 130.0MB. Free memory is still 76.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:36:16,266 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 104.9MB. Free memory was 61.9MB in the beginning and 61.9MB in the end (delta: 42.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 360.97ms. Allocated memory is still 104.9MB. Free memory was 73.9MB in the beginning and 82.3MB in the end (delta: -8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.46ms. Allocated memory is still 104.9MB. Free memory was 82.3MB in the beginning and 81.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 19.36ms. Allocated memory is still 104.9MB. Free memory was 81.0MB in the beginning and 79.9MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 299.85ms. Allocated memory is still 104.9MB. Free memory was 79.9MB in the beginning and 71.1MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 2246.63ms. Allocated memory was 104.9MB in the beginning and 130.0MB in the end (delta: 25.2MB). Free memory was 71.1MB in the beginning and 76.1MB in the end (delta: -5.1MB). Peak memory consumption was 20.8MB. Max. memory is 16.1GB. * Witness Printer took 3.93ms. Allocated memory is still 130.0MB. Free memory is still 76.1MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function a and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.1s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 8 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 7 mSDsluCounter, 17 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 10 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7 IncrementalHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 7 mSDtfsCounter, 7 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital24 mio100 ax100 hnf100 lsp79 ukn100 mio100 lsp100 div294 bol100 ite100 ukn100 eq153 hnf95 smp47 dnf100 smp100 tf105 neg97 sie110 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 43ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.3s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-11-02 20:36:16,320 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c2a9c8-16f3-4d3d-8874-60d043bf50c6/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-11-02 20:36:16,526 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22c2a9c8-16f3-4d3d-8874-60d043bf50c6/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE