./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loop-lit/gsv2008.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_262e2108-b370-4fd6-a6de-6de96947f3b4/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_262e2108-b370-4fd6-a6de-6de96947f3b4/bin/uautomizer-vX5HgA9Q3a/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_262e2108-b370-4fd6-a6de-6de96947f3b4/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_262e2108-b370-4fd6-a6de-6de96947f3b4/bin/uautomizer-vX5HgA9Q3a/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loop-lit/gsv2008.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_262e2108-b370-4fd6-a6de-6de96947f3b4/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_262e2108-b370-4fd6-a6de-6de96947f3b4/bin/uautomizer-vX5HgA9Q3a --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 d7b840784ed09a8ba534cc1991a3b26e3517ca5684a3a750b52e1a997eff0418 --- 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-b5237d8 [2022-11-21 16:48:53,627 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 16:48:53,629 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 16:48:53,653 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 16:48:53,653 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 16:48:53,655 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 16:48:53,656 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 16:48:53,658 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 16:48:53,660 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 16:48:53,662 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 16:48:53,663 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 16:48:53,664 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 16:48:53,665 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 16:48:53,666 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 16:48:53,667 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 16:48:53,669 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 16:48:53,670 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 16:48:53,671 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 16:48:53,673 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 16:48:53,675 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 16:48:53,677 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 16:48:53,679 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 16:48:53,680 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 16:48:53,682 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 16:48:53,686 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 16:48:53,687 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 16:48:53,687 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 16:48:53,688 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 16:48:53,689 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 16:48:53,690 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 16:48:53,691 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 16:48:53,692 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 16:48:53,693 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 16:48:53,694 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 16:48:53,695 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 16:48:53,695 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 16:48:53,696 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 16:48:53,697 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 16:48:53,697 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 16:48:53,698 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 16:48:53,699 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 16:48:53,702 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_262e2108-b370-4fd6-a6de-6de96947f3b4/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-11-21 16:48:53,731 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 16:48:53,731 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 16:48:53,732 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 16:48:53,732 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 16:48:53,733 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 16:48:53,733 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 16:48:53,734 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 16:48:53,734 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-21 16:48:53,734 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-21 16:48:53,734 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-21 16:48:53,735 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-21 16:48:53,735 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-21 16:48:53,735 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-21 16:48:53,735 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 16:48:53,736 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 16:48:53,736 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 16:48:53,736 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 16:48:53,736 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 16:48:53,737 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 16:48:53,737 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-21 16:48:53,737 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-21 16:48:53,737 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-21 16:48:53,738 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 16:48:53,738 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 16:48:53,738 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-21 16:48:53,739 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 16:48:53,739 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-21 16:48:53,739 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 16:48:53,739 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 16:48:53,740 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 16:48:53,740 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-21 16:48:53,741 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-21 16:48:53,741 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_262e2108-b370-4fd6-a6de-6de96947f3b4/bin/uautomizer-vX5HgA9Q3a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_262e2108-b370-4fd6-a6de-6de96947f3b4/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d7b840784ed09a8ba534cc1991a3b26e3517ca5684a3a750b52e1a997eff0418 [2022-11-21 16:48:54,050 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 16:48:54,088 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 16:48:54,093 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 16:48:54,094 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 16:48:54,095 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 16:48:54,097 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_262e2108-b370-4fd6-a6de-6de96947f3b4/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/loop-lit/gsv2008.i [2022-11-21 16:48:57,460 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 16:48:57,763 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 16:48:57,764 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_262e2108-b370-4fd6-a6de-6de96947f3b4/sv-benchmarks/c/loop-lit/gsv2008.i [2022-11-21 16:48:57,773 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_262e2108-b370-4fd6-a6de-6de96947f3b4/bin/uautomizer-vX5HgA9Q3a/data/db25c6d5c/d3d781fea04e491d8ba4449d8a37e266/FLAGddcf883b3 [2022-11-21 16:48:57,795 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_262e2108-b370-4fd6-a6de-6de96947f3b4/bin/uautomizer-vX5HgA9Q3a/data/db25c6d5c/d3d781fea04e491d8ba4449d8a37e266 [2022-11-21 16:48:57,798 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 16:48:57,800 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 16:48:57,802 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 16:48:57,802 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 16:48:57,807 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 16:48:57,808 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:48:57" (1/1) ... [2022-11-21 16:48:57,810 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@cf1c4b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:48:57, skipping insertion in model container [2022-11-21 16:48:57,810 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:48:57" (1/1) ... [2022-11-21 16:48:57,822 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 16:48:57,857 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 16:48:58,019 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_262e2108-b370-4fd6-a6de-6de96947f3b4/sv-benchmarks/c/loop-lit/gsv2008.i[895,908] [2022-11-21 16:48:58,029 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 16:48:58,045 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 16:48:58,061 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_262e2108-b370-4fd6-a6de-6de96947f3b4/sv-benchmarks/c/loop-lit/gsv2008.i[895,908] [2022-11-21 16:48:58,064 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 16:48:58,083 INFO L208 MainTranslator]: Completed translation [2022-11-21 16:48:58,084 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:48:58 WrapperNode [2022-11-21 16:48:58,085 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 16:48:58,087 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 16:48:58,087 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 16:48:58,087 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 16:48:58,097 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:48:58" (1/1) ... [2022-11-21 16:48:58,106 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:48:58" (1/1) ... [2022-11-21 16:48:58,127 INFO L138 Inliner]: procedures = 16, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 34 [2022-11-21 16:48:58,127 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 16:48:58,128 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 16:48:58,128 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 16:48:58,129 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 16:48:58,140 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:48:58" (1/1) ... [2022-11-21 16:48:58,141 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:48:58" (1/1) ... [2022-11-21 16:48:58,142 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:48:58" (1/1) ... [2022-11-21 16:48:58,142 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:48:58" (1/1) ... [2022-11-21 16:48:58,149 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:48:58" (1/1) ... [2022-11-21 16:48:58,154 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:48:58" (1/1) ... [2022-11-21 16:48:58,159 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:48:58" (1/1) ... [2022-11-21 16:48:58,160 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:48:58" (1/1) ... [2022-11-21 16:48:58,162 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 16:48:58,164 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 16:48:58,164 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 16:48:58,164 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 16:48:58,165 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:48:58" (1/1) ... [2022-11-21 16:48:58,173 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:48:58,187 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_262e2108-b370-4fd6-a6de-6de96947f3b4/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:48:58,206 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_262e2108-b370-4fd6-a6de-6de96947f3b4/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:48:58,215 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_262e2108-b370-4fd6-a6de-6de96947f3b4/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-21 16:48:58,249 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 16:48:58,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 16:48:58,250 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 16:48:58,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 16:48:58,315 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 16:48:58,318 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 16:48:58,448 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 16:48:58,454 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 16:48:58,455 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-21 16:48:58,457 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:48:58 BoogieIcfgContainer [2022-11-21 16:48:58,457 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 16:48:58,459 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-21 16:48:58,459 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-21 16:48:58,485 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-21 16:48:58,486 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-21 16:48:58,486 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.11 04:48:57" (1/3) ... [2022-11-21 16:48:58,487 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3031c19e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.11 04:48:58, skipping insertion in model container [2022-11-21 16:48:58,487 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-21 16:48:58,488 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:48:58" (2/3) ... [2022-11-21 16:48:58,488 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3031c19e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.11 04:48:58, skipping insertion in model container [2022-11-21 16:48:58,488 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-21 16:48:58,488 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:48:58" (3/3) ... [2022-11-21 16:48:58,490 INFO L332 chiAutomizerObserver]: Analyzing ICFG gsv2008.i [2022-11-21 16:48:58,582 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-21 16:48:58,582 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-21 16:48:58,582 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-21 16:48:58,583 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-21 16:48:58,583 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-21 16:48:58,583 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-21 16:48:58,583 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-21 16:48:58,583 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-21 16:48:58,604 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 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) [2022-11-21 16:48:58,641 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2022-11-21 16:48:58,641 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-21 16:48:58,641 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-21 16:48:58,647 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-11-21 16:48:58,647 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-11-21 16:48:58,647 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-21 16:48:58,648 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 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) [2022-11-21 16:48:58,649 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2022-11-21 16:48:58,649 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-21 16:48:58,649 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-21 16:48:58,650 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-11-21 16:48:58,660 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-11-21 16:48:58,670 INFO L748 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(9, 2); 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~post2#1, main_~x~0#1, main_~y~0#1;havoc main_~x~0#1;havoc main_~y~0#1;main_~x~0#1 := -50;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 8#L28true assume !!(-1000 < main_~y~0#1 && main_~y~0#1 < 1000000); 11#L29-2true [2022-11-21 16:48:58,670 INFO L750 eck$LassoCheckResult]: Loop: 11#L29-2true assume !!(main_~x~0#1 < 0);main_~x~0#1 := main_~x~0#1 + main_~y~0#1;main_#t~post2#1 := main_~y~0#1;main_~y~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 11#L29-2true [2022-11-21 16:48:58,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:48:58,698 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2022-11-21 16:48:58,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:48:58,709 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1343092359] [2022-11-21 16:48:58,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:48:58,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:48:58,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:48:58,818 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 16:48:58,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:48:58,877 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 16:48:58,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:48:58,884 INFO L85 PathProgramCache]: Analyzing trace with hash 47, now seen corresponding path program 1 times [2022-11-21 16:48:58,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:48:58,886 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [138400267] [2022-11-21 16:48:58,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:48:58,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:48:58,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:48:58,918 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 16:48:58,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:48:58,938 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 16:48:58,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:48:58,943 INFO L85 PathProgramCache]: Analyzing trace with hash 925676, now seen corresponding path program 1 times [2022-11-21 16:48:58,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:48:58,944 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [403365969] [2022-11-21 16:48:58,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:48:58,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:48:58,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:48:58,968 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 16:48:58,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:48:58,999 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 16:48:59,115 INFO L210 LassoAnalysis]: Preferences: [2022-11-21 16:48:59,116 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-21 16:48:59,117 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-21 16:48:59,117 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-21 16:48:59,118 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-21 16:48:59,118 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:48:59,118 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-21 16:48:59,118 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-21 16:48:59,119 INFO L133 ssoRankerPreferences]: Filename of dumped script: gsv2008.i_Iteration1_Loop [2022-11-21 16:48:59,120 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-21 16:48:59,120 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-21 16:48:59,141 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:48:59,157 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:48:59,247 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-21 16:48:59,247 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-21 16:48:59,250 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:48:59,251 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_262e2108-b370-4fd6-a6de-6de96947f3b4/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:48:59,255 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_262e2108-b370-4fd6-a6de-6de96947f3b4/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:48:59,259 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-21 16:48:59,259 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-21 16:48:59,274 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_262e2108-b370-4fd6-a6de-6de96947f3b4/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-21 16:48:59,290 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-21 16:48:59,291 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post2#1=0} Honda state: {ULTIMATE.start_main_#t~post2#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-21 16:48:59,301 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_262e2108-b370-4fd6-a6de-6de96947f3b4/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-11-21 16:48:59,302 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:48:59,302 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_262e2108-b370-4fd6-a6de-6de96947f3b4/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:48:59,304 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_262e2108-b370-4fd6-a6de-6de96947f3b4/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:48:59,306 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_262e2108-b370-4fd6-a6de-6de96947f3b4/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-21 16:48:59,308 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-21 16:48:59,308 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-21 16:48:59,327 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_262e2108-b370-4fd6-a6de-6de96947f3b4/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2022-11-21 16:48:59,328 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:48:59,328 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_262e2108-b370-4fd6-a6de-6de96947f3b4/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:48:59,329 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_262e2108-b370-4fd6-a6de-6de96947f3b4/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:48:59,332 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_262e2108-b370-4fd6-a6de-6de96947f3b4/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-21 16:48:59,333 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-21 16:48:59,333 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-21 16:48:59,469 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-21 16:48:59,475 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_262e2108-b370-4fd6-a6de-6de96947f3b4/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-11-21 16:48:59,475 INFO L210 LassoAnalysis]: Preferences: [2022-11-21 16:48:59,475 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-21 16:48:59,476 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-21 16:48:59,476 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-21 16:48:59,476 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-21 16:48:59,476 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:48:59,476 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-21 16:48:59,476 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-21 16:48:59,477 INFO L133 ssoRankerPreferences]: Filename of dumped script: gsv2008.i_Iteration1_Loop [2022-11-21 16:48:59,477 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-21 16:48:59,477 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-21 16:48:59,479 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:48:59,484 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:48:59,532 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-21 16:48:59,542 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-21 16:48:59,544 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:48:59,544 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_262e2108-b370-4fd6-a6de-6de96947f3b4/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:48:59,546 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_262e2108-b370-4fd6-a6de-6de96947f3b4/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:48:59,552 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 [2022-11-21 16:48:59,562 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_262e2108-b370-4fd6-a6de-6de96947f3b4/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-21 16:48:59,567 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 16:48:59,567 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 16:48:59,568 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 16:48:59,568 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 16:48:59,568 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 16:48:59,570 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 16:48:59,570 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 16:48:59,599 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 16:48:59,611 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_262e2108-b370-4fd6-a6de-6de96947f3b4/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-11-21 16:48:59,612 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:48:59,612 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_262e2108-b370-4fd6-a6de-6de96947f3b4/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:48:59,614 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_262e2108-b370-4fd6-a6de-6de96947f3b4/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:48:59,623 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_262e2108-b370-4fd6-a6de-6de96947f3b4/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-21 16:48:59,624 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 [2022-11-21 16:48:59,639 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 16:48:59,639 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 16:48:59,639 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 16:48:59,639 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 16:48:59,640 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 16:48:59,644 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 16:48:59,644 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 16:48:59,656 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 16:48:59,666 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_262e2108-b370-4fd6-a6de-6de96947f3b4/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-11-21 16:48:59,666 INFO L490 LassoAnalysis]: Using template '2-nested'. [2022-11-21 16:48:59,666 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:48:59,667 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_262e2108-b370-4fd6-a6de-6de96947f3b4/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:48:59,668 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_262e2108-b370-4fd6-a6de-6de96947f3b4/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:48:59,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_262e2108-b370-4fd6-a6de-6de96947f3b4/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-21 16:48:59,684 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 [2022-11-21 16:48:59,699 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 16:48:59,699 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 16:48:59,700 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 16:48:59,700 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 16:48:59,700 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-21 16:48:59,702 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-11-21 16:48:59,702 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 16:48:59,722 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 16:48:59,727 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_262e2108-b370-4fd6-a6de-6de96947f3b4/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-11-21 16:48:59,728 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:48:59,728 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_262e2108-b370-4fd6-a6de-6de96947f3b4/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:48:59,729 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_262e2108-b370-4fd6-a6de-6de96947f3b4/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:48:59,743 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_262e2108-b370-4fd6-a6de-6de96947f3b4/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-11-21 16:48:59,744 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 [2022-11-21 16:48:59,760 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 16:48:59,760 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 16:48:59,760 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 16:48:59,760 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 16:48:59,761 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-21 16:48:59,766 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-11-21 16:48:59,766 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 16:48:59,780 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-21 16:48:59,789 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-11-21 16:48:59,789 INFO L444 ModelExtractionUtils]: 2 out of 7 variables were initially zero. Simplification set additionally 1 variables to zero. [2022-11-21 16:48:59,791 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:48:59,791 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_262e2108-b370-4fd6-a6de-6de96947f3b4/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:48:59,826 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_262e2108-b370-4fd6-a6de-6de96947f3b4/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:48:59,828 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-21 16:48:59,828 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-11-21 16:48:59,829 INFO L513 LassoAnalysis]: Proved termination. [2022-11-21 16:48:59,829 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function 2-nested ranking function: f0 = -2*ULTIMATE.start_main_~y~0#1 + 1 f1 = -2*ULTIMATE.start_main_~x~0#1 Supporting invariants [] [2022-11-21 16:48:59,831 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_262e2108-b370-4fd6-a6de-6de96947f3b4/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-11-21 16:48:59,833 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_262e2108-b370-4fd6-a6de-6de96947f3b4/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-11-21 16:48:59,840 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-11-21 16:48:59,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:48:59,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:48:59,904 INFO L263 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-21 16:48:59,906 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 16:48:59,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:48:59,926 WARN L261 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-21 16:48:59,927 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 16:48:59,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:48:59,970 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2022-11-21 16:48:59,972 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 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) Second operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 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) [2022-11-21 16:49:00,019 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 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). Second operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 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 29 states and 34 transitions. Complement of second has 5 states. [2022-11-21 16:49:00,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-11-21 16:49:00,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 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) [2022-11-21 16:49:00,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 23 transitions. [2022-11-21 16:49:00,030 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 3 letters. Loop has 1 letters. [2022-11-21 16:49:00,032 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-21 16:49:00,032 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 4 letters. Loop has 1 letters. [2022-11-21 16:49:00,032 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-21 16:49:00,032 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 3 letters. Loop has 2 letters. [2022-11-21 16:49:00,033 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-21 16:49:00,034 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 29 states and 34 transitions. [2022-11-21 16:49:00,037 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-21 16:49:00,040 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 29 states to 0 states and 0 transitions. [2022-11-21 16:49:00,041 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-11-21 16:49:00,042 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-11-21 16:49:00,042 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-11-21 16:49:00,043 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:49:00,043 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-21 16:49:00,043 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-21 16:49:00,043 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-21 16:49:00,043 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-21 16:49:00,044 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-11-21 16:49:00,044 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-21 16:49:00,044 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-11-21 16:49:00,052 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.11 04:49:00 BoogieIcfgContainer [2022-11-21 16:49:00,053 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-21 16:49:00,053 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 16:49:00,054 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 16:49:00,054 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 16:49:00,055 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:48:58" (3/4) ... [2022-11-21 16:49:00,058 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-21 16:49:00,059 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 16:49:00,060 INFO L158 Benchmark]: Toolchain (without parser) took 2259.68ms. Allocated memory is still 188.7MB. Free memory was 155.7MB in the beginning and 83.5MB in the end (delta: 72.2MB). Peak memory consumption was 73.4MB. Max. memory is 16.1GB. [2022-11-21 16:49:00,061 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 125.8MB. Free memory was 69.5MB in the beginning and 69.3MB in the end (delta: 117.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 16:49:00,061 INFO L158 Benchmark]: CACSL2BoogieTranslator took 283.50ms. Allocated memory is still 188.7MB. Free memory was 155.7MB in the beginning and 145.5MB in the end (delta: 10.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-21 16:49:00,062 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.98ms. Allocated memory is still 188.7MB. Free memory was 145.5MB in the beginning and 144.3MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 16:49:00,063 INFO L158 Benchmark]: Boogie Preprocessor took 34.53ms. Allocated memory is still 188.7MB. Free memory was 144.3MB in the beginning and 143.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 16:49:00,064 INFO L158 Benchmark]: RCFGBuilder took 293.88ms. Allocated memory is still 188.7MB. Free memory was 143.1MB in the beginning and 132.9MB in the end (delta: 10.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-21 16:49:00,064 INFO L158 Benchmark]: BuchiAutomizer took 1594.24ms. Allocated memory is still 188.7MB. Free memory was 132.9MB in the beginning and 83.5MB in the end (delta: 49.4MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2022-11-21 16:49:00,065 INFO L158 Benchmark]: Witness Printer took 5.49ms. Allocated memory is still 188.7MB. Free memory is still 83.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 16:49:00,069 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 125.8MB. Free memory was 69.5MB in the beginning and 69.3MB in the end (delta: 117.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 283.50ms. Allocated memory is still 188.7MB. Free memory was 155.7MB in the beginning and 145.5MB in the end (delta: 10.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.98ms. Allocated memory is still 188.7MB. Free memory was 145.5MB in the beginning and 144.3MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.53ms. Allocated memory is still 188.7MB. Free memory was 144.3MB in the beginning and 143.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 293.88ms. Allocated memory is still 188.7MB. Free memory was 143.1MB in the beginning and 132.9MB in the end (delta: 10.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 1594.24ms. Allocated memory is still 188.7MB. Free memory was 132.9MB in the beginning and 83.5MB in the end (delta: 49.4MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. * Witness Printer took 5.49ms. Allocated memory is still 188.7MB. Free memory is still 83.5MB. 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 2-nested ranking function (if -2 * y + 1 > 0 then 1 else 0), (if -2 * y + 1 > 0 then -2 * y + 1 else -2 * x) and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.4s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. 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, 13 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 12 mSDsluCounter, 16 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5 IncrementalHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 11 mSDtfsCounter, 5 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital15 mio100 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq179 hnf92 smp100 dnf100 smp100 tf108 neg100 sie107 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 56ms VariablesStem: 0 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 3 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-11-21 16:49:00,096 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_262e2108-b370-4fd6-a6de-6de96947f3b4/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-11-21 16:49:00,295 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_262e2108-b370-4fd6-a6de-6de96947f3b4/bin/uautomizer-vX5HgA9Q3a/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