./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-nla/dijkstra2-both-nt.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d414fe-e50f-4ec9-bec5-1ce4329c1810/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d414fe-e50f-4ec9-bec5-1ce4329c1810/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d414fe-e50f-4ec9-bec5-1ce4329c1810/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d414fe-e50f-4ec9-bec5-1ce4329c1810/bin/uautomizer-DrprNOufMa/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-nla/dijkstra2-both-nt.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d414fe-e50f-4ec9-bec5-1ce4329c1810/bin/uautomizer-DrprNOufMa/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d414fe-e50f-4ec9-bec5-1ce4329c1810/bin/uautomizer-DrprNOufMa --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3e7687da568dfe273ac225f01dbc8df1f76ef15d8b8e5d222cf6fab4c622d621 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 17:17:06,602 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 17:17:06,604 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 17:17:06,633 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 17:17:06,633 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 17:17:06,634 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 17:17:06,635 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 17:17:06,637 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 17:17:06,639 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 17:17:06,639 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 17:17:06,640 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 17:17:06,641 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 17:17:06,642 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 17:17:06,642 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 17:17:06,644 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 17:17:06,645 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 17:17:06,645 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 17:17:06,646 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 17:17:06,648 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 17:17:06,649 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 17:17:06,651 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 17:17:06,652 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 17:17:06,653 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 17:17:06,654 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 17:17:06,657 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 17:17:06,657 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 17:17:06,657 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 17:17:06,658 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 17:17:06,658 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 17:17:06,659 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 17:17:06,660 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 17:17:06,660 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 17:17:06,661 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 17:17:06,662 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 17:17:06,663 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 17:17:06,663 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 17:17:06,664 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 17:17:06,664 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 17:17:06,664 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 17:17:06,665 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 17:17:06,665 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 17:17:06,666 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d414fe-e50f-4ec9-bec5-1ce4329c1810/bin/uautomizer-DrprNOufMa/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-12-06 17:17:06,684 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 17:17:06,684 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 17:17:06,685 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 17:17:06,685 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 17:17:06,685 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 17:17:06,686 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 17:17:06,686 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 17:17:06,686 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-06 17:17:06,686 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-06 17:17:06,686 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-06 17:17:06,686 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-06 17:17:06,686 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-06 17:17:06,686 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-06 17:17:06,686 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 17:17:06,687 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-06 17:17:06,687 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-06 17:17:06,687 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 17:17:06,687 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-06 17:17:06,687 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 17:17:06,687 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-06 17:17:06,687 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-06 17:17:06,687 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-06 17:17:06,687 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-06 17:17:06,687 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 17:17:06,688 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-06 17:17:06,688 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 17:17:06,688 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-06 17:17:06,688 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 17:17:06,688 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 17:17:06,688 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 17:17:06,688 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 17:17:06,688 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 17:17:06,689 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-06 17:17:06,689 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_b3d414fe-e50f-4ec9-bec5-1ce4329c1810/bin/uautomizer-DrprNOufMa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d414fe-e50f-4ec9-bec5-1ce4329c1810/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3e7687da568dfe273ac225f01dbc8df1f76ef15d8b8e5d222cf6fab4c622d621 [2021-12-06 17:17:06,875 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 17:17:06,891 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 17:17:06,893 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 17:17:06,894 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 17:17:06,894 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 17:17:06,895 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d414fe-e50f-4ec9-bec5-1ce4329c1810/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/termination-nla/dijkstra2-both-nt.c [2021-12-06 17:17:06,937 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d414fe-e50f-4ec9-bec5-1ce4329c1810/bin/uautomizer-DrprNOufMa/data/1d57c2594/e0f30f5024024d3ab18b52bc249f6686/FLAGb1b039aad [2021-12-06 17:17:07,296 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 17:17:07,296 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d414fe-e50f-4ec9-bec5-1ce4329c1810/sv-benchmarks/c/termination-nla/dijkstra2-both-nt.c [2021-12-06 17:17:07,301 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d414fe-e50f-4ec9-bec5-1ce4329c1810/bin/uautomizer-DrprNOufMa/data/1d57c2594/e0f30f5024024d3ab18b52bc249f6686/FLAGb1b039aad [2021-12-06 17:17:07,311 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d414fe-e50f-4ec9-bec5-1ce4329c1810/bin/uautomizer-DrprNOufMa/data/1d57c2594/e0f30f5024024d3ab18b52bc249f6686 [2021-12-06 17:17:07,313 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 17:17:07,315 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 17:17:07,316 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 17:17:07,316 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 17:17:07,318 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 17:17:07,319 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:17:07" (1/1) ... [2021-12-06 17:17:07,320 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14f70c64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:17:07, skipping insertion in model container [2021-12-06 17:17:07,321 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:17:07" (1/1) ... [2021-12-06 17:17:07,327 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 17:17:07,338 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 17:17:07,450 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 17:17:07,454 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 17:17:07,467 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 17:17:07,478 INFO L208 MainTranslator]: Completed translation [2021-12-06 17:17:07,478 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:17:07 WrapperNode [2021-12-06 17:17:07,478 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 17:17:07,479 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 17:17:07,479 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 17:17:07,479 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 17:17:07,484 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:17:07" (1/1) ... [2021-12-06 17:17:07,487 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:17:07" (1/1) ... [2021-12-06 17:17:07,499 INFO L137 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 27 [2021-12-06 17:17:07,499 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 17:17:07,500 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 17:17:07,500 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 17:17:07,500 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 17:17:07,505 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:17:07" (1/1) ... [2021-12-06 17:17:07,506 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:17:07" (1/1) ... [2021-12-06 17:17:07,506 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:17:07" (1/1) ... [2021-12-06 17:17:07,506 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:17:07" (1/1) ... [2021-12-06 17:17:07,508 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:17:07" (1/1) ... [2021-12-06 17:17:07,510 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:17:07" (1/1) ... [2021-12-06 17:17:07,511 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:17:07" (1/1) ... [2021-12-06 17:17:07,512 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 17:17:07,512 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 17:17:07,512 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 17:17:07,513 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 17:17:07,513 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:17:07" (1/1) ... [2021-12-06 17:17:07,519 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:17:07,527 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d414fe-e50f-4ec9-bec5-1ce4329c1810/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:17:07,536 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d414fe-e50f-4ec9-bec5-1ce4329c1810/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:17:07,538 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d414fe-e50f-4ec9-bec5-1ce4329c1810/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-12-06 17:17:07,566 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 17:17:07,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 17:17:07,604 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 17:17:07,605 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 17:17:07,682 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 17:17:07,688 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 17:17:07,689 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-06 17:17:07,690 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:17:07 BoogieIcfgContainer [2021-12-06 17:17:07,691 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 17:17:07,692 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-06 17:17:07,692 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-06 17:17:07,695 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-06 17:17:07,696 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-06 17:17:07,696 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 06.12 05:17:07" (1/3) ... [2021-12-06 17:17:07,697 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1f14b39a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.12 05:17:07, skipping insertion in model container [2021-12-06 17:17:07,697 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-06 17:17:07,697 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:17:07" (2/3) ... [2021-12-06 17:17:07,698 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1f14b39a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.12 05:17:07, skipping insertion in model container [2021-12-06 17:17:07,698 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-06 17:17:07,698 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:17:07" (3/3) ... [2021-12-06 17:17:07,700 INFO L388 chiAutomizerObserver]: Analyzing ICFG dijkstra2-both-nt.c [2021-12-06 17:17:07,746 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-06 17:17:07,746 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-06 17:17:07,746 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-06 17:17:07,746 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-06 17:17:07,746 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-06 17:17:07,746 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-06 17:17:07,746 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-06 17:17:07,747 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-06 17:17:07,760 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 9 states have internal predecessors, (14), 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) [2021-12-06 17:17:07,778 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-12-06 17:17:07,779 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 17:17:07,779 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 17:17:07,785 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-12-06 17:17:07,785 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-06 17:17:07,786 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-06 17:17:07,786 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 9 states have internal predecessors, (14), 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) [2021-12-06 17:17:07,788 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-12-06 17:17:07,788 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 17:17:07,788 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 17:17:07,788 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-12-06 17:17:07,788 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-06 17:17:07,795 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 7#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~n~0#1, main_~p~0#1, main_~q~0#1, main_~r~0#1, main_~h~0#1;havoc main_~n~0#1;havoc main_~p~0#1;havoc main_~q~0#1;havoc main_~r~0#1;havoc main_~h~0#1;main_~n~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~p~0#1 := 0;main_~q~0#1 := 1;main_~r~0#1 := main_~n~0#1;main_~h~0#1 := 0; 8#L40true assume main_~q~0#1 > main_~n~0#1; 9#L51-1true [2021-12-06 17:17:07,795 INFO L793 eck$LassoCheckResult]: Loop: 9#L51-1true assume !!(main_~p~0#1 * main_~p~0#1 + main_~r~0#1 * main_~q~0#1 == main_~n~0#1 * main_~q~0#1); 5#L51true assume !(4 * (if main_~q~0#1 < 0 && 0 != main_~q~0#1 % 4 then 1 + main_~q~0#1 / 4 else main_~q~0#1 / 4) == main_~q~0#1 && 2 * (if main_~p~0#1 < 0 && 0 != main_~p~0#1 % 2 then 1 + main_~p~0#1 / 2 else main_~p~0#1 / 2) == main_~p~0#1); 9#L51-1true [2021-12-06 17:17:07,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:17:07,801 INFO L85 PathProgramCache]: Analyzing trace with hash 29858, now seen corresponding path program 1 times [2021-12-06 17:17:07,810 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:17:07,810 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1415188128] [2021-12-06 17:17:07,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:17:07,811 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:17:07,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 17:17:07,887 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 17:17:07,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 17:17:07,907 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 17:17:07,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:17:07,910 INFO L85 PathProgramCache]: Analyzing trace with hash 1420, now seen corresponding path program 1 times [2021-12-06 17:17:07,910 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:17:07,911 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1282545316] [2021-12-06 17:17:07,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:17:07,911 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:17:07,917 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-06 17:17:07,917 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1992619996] [2021-12-06 17:17:07,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:17:07,918 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 17:17:07,918 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d414fe-e50f-4ec9-bec5-1ce4329c1810/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:17:07,919 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d414fe-e50f-4ec9-bec5-1ce4329c1810/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 17:17:07,921 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d414fe-e50f-4ec9-bec5-1ce4329c1810/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-06 17:17:07,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 17:17:07,944 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 17:17:07,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 17:17:07,955 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 17:17:07,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:17:07,957 INFO L85 PathProgramCache]: Analyzing trace with hash 28693997, now seen corresponding path program 1 times [2021-12-06 17:17:07,957 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:17:07,958 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1459431175] [2021-12-06 17:17:07,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:17:07,958 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:17:07,964 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-06 17:17:07,965 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1782969178] [2021-12-06 17:17:07,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:17:07,965 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 17:17:07,965 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d414fe-e50f-4ec9-bec5-1ce4329c1810/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:17:07,967 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d414fe-e50f-4ec9-bec5-1ce4329c1810/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 17:17:07,968 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d414fe-e50f-4ec9-bec5-1ce4329c1810/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-06 17:17:07,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 17:17:07,990 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 17:17:07,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 17:17:07,999 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 17:17:20,063 WARN L227 SmtUtils]: Spent 12.06s on a formula simplification that was a NOOP. DAG size: 37 (called from [L 234] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2021-12-06 17:17:32,390 WARN L227 SmtUtils]: Spent 12.25s on a formula simplification that was a NOOP. DAG size: 6 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-12-06 17:17:44,627 WARN L227 SmtUtils]: Spent 12.23s on a formula simplification that was a NOOP. DAG size: 21 (called from [L 271] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2021-12-06 17:17:44,670 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 06.12 05:17:44 BoogieIcfgContainer [2021-12-06 17:17:44,671 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-12-06 17:17:44,671 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-06 17:17:44,672 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-06 17:17:44,672 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-06 17:17:44,672 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:17:07" (3/4) ... [2021-12-06 17:17:44,675 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2021-12-06 17:17:44,700 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d414fe-e50f-4ec9-bec5-1ce4329c1810/bin/uautomizer-DrprNOufMa/witness.graphml [2021-12-06 17:17:44,700 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-06 17:17:44,701 INFO L158 Benchmark]: Toolchain (without parser) took 37385.85ms. Allocated memory is still 119.5MB. Free memory was 83.2MB in the beginning and 54.2MB in the end (delta: 29.1MB). Peak memory consumption was 26.6MB. Max. memory is 16.1GB. [2021-12-06 17:17:44,701 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 119.5MB. Free memory is still 99.2MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 17:17:44,701 INFO L158 Benchmark]: CACSL2BoogieTranslator took 162.52ms. Allocated memory is still 119.5MB. Free memory was 83.0MB in the beginning and 96.1MB in the end (delta: -13.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-06 17:17:44,702 INFO L158 Benchmark]: Boogie Procedure Inliner took 20.39ms. Allocated memory is still 119.5MB. Free memory was 96.1MB in the beginning and 95.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 17:17:44,702 INFO L158 Benchmark]: Boogie Preprocessor took 12.14ms. Allocated memory is still 119.5MB. Free memory was 95.0MB in the beginning and 94.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 17:17:44,703 INFO L158 Benchmark]: RCFGBuilder took 178.46ms. Allocated memory is still 119.5MB. Free memory was 94.0MB in the beginning and 85.1MB in the end (delta: 8.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-06 17:17:44,703 INFO L158 Benchmark]: BuchiAutomizer took 36979.10ms. Allocated memory is still 119.5MB. Free memory was 85.1MB in the beginning and 55.8MB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2021-12-06 17:17:44,703 INFO L158 Benchmark]: Witness Printer took 28.68ms. Allocated memory is still 119.5MB. Free memory was 55.8MB in the beginning and 54.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-06 17:17:44,706 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 119.5MB. Free memory is still 99.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 162.52ms. Allocated memory is still 119.5MB. Free memory was 83.0MB in the beginning and 96.1MB in the end (delta: -13.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 20.39ms. Allocated memory is still 119.5MB. Free memory was 96.1MB in the beginning and 95.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 12.14ms. Allocated memory is still 119.5MB. Free memory was 95.0MB in the beginning and 94.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 178.46ms. Allocated memory is still 119.5MB. Free memory was 94.0MB in the beginning and 85.1MB in the end (delta: 8.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 36979.10ms. Allocated memory is still 119.5MB. Free memory was 85.1MB in the beginning and 55.8MB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Witness Printer took 28.68ms. Allocated memory is still 119.5MB. Free memory was 55.8MB in the beginning and 54.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Trivial decomposition into one nonterminating module. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 36.9s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 36.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. 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 [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 41]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {} State at position 1 is {h=0, q=1, r=0, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4a049a2f=0, p=0, n=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 41]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L22] int n, p, q, r, h; [L24] n = __VERIFIER_nondet_int() [L26] p = 0 [L27] q = 1 [L28] r = n [L29] h = 0 [L40] COND TRUE q > n Loop: [L41] COND TRUE p*p + r*q == n*q [L51] COND FALSE !(4 * (q / 4) == q && 2 * (p / 2) == p) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2021-12-06 17:17:44,735 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d414fe-e50f-4ec9-bec5-1ce4329c1810/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-12-06 17:17:44,966 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d414fe-e50f-4ec9-bec5-1ce4329c1810/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-12-06 17:17:45,132 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3d414fe-e50f-4ec9-bec5-1ce4329c1810/bin/uautomizer-DrprNOufMa/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)