./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loop-new/half.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version e04fb08f Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1311366b-8c50-40df-b7f1-50603f1f15ab/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1311366b-8c50-40df-b7f1-50603f1f15ab/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1311366b-8c50-40df-b7f1-50603f1f15ab/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1311366b-8c50-40df-b7f1-50603f1f15ab/bin/uautomizer-tPACEb0tL8/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loop-new/half.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1311366b-8c50-40df-b7f1-50603f1f15ab/bin/uautomizer-tPACEb0tL8/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1311366b-8c50-40df-b7f1-50603f1f15ab/bin/uautomizer-tPACEb0tL8 --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 cd8ea842760c1d795b2a0ad721eea8bf94078967bffa91c75f5537bf4a53b968 --- 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-e04fb08 [2022-11-16 11:26:25,387 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 11:26:25,389 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 11:26:25,414 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 11:26:25,417 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 11:26:25,421 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 11:26:25,423 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 11:26:25,427 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 11:26:25,430 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 11:26:25,437 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 11:26:25,438 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 11:26:25,440 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 11:26:25,440 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 11:26:25,443 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 11:26:25,444 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 11:26:25,447 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 11:26:25,449 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 11:26:25,450 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 11:26:25,451 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 11:26:25,461 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 11:26:25,462 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 11:26:25,463 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 11:26:25,466 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 11:26:25,467 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 11:26:25,475 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 11:26:25,476 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 11:26:25,476 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 11:26:25,478 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 11:26:25,479 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 11:26:25,480 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 11:26:25,481 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 11:26:25,482 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 11:26:25,483 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 11:26:25,485 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 11:26:25,486 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 11:26:25,486 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 11:26:25,487 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 11:26:25,487 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 11:26:25,487 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 11:26:25,488 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 11:26:25,489 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 11:26:25,490 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1311366b-8c50-40df-b7f1-50603f1f15ab/bin/uautomizer-tPACEb0tL8/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-11-16 11:26:25,534 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 11:26:25,535 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 11:26:25,535 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 11:26:25,535 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 11:26:25,537 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 11:26:25,537 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 11:26:25,537 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 11:26:25,537 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-16 11:26:25,538 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-16 11:26:25,538 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-16 11:26:25,539 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-16 11:26:25,539 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-16 11:26:25,539 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-16 11:26:25,540 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 11:26:25,540 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 11:26:25,540 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-16 11:26:25,540 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 11:26:25,541 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 11:26:25,541 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 11:26:25,541 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-16 11:26:25,541 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-16 11:26:25,541 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-16 11:26:25,542 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 11:26:25,543 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 11:26:25,543 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-16 11:26:25,544 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 11:26:25,544 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-16 11:26:25,544 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 11:26:25,544 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 11:26:25,545 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 11:26:25,545 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 11:26:25,546 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-16 11:26:25,547 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_1311366b-8c50-40df-b7f1-50603f1f15ab/bin/uautomizer-tPACEb0tL8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1311366b-8c50-40df-b7f1-50603f1f15ab/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cd8ea842760c1d795b2a0ad721eea8bf94078967bffa91c75f5537bf4a53b968 [2022-11-16 11:26:25,856 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 11:26:25,892 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 11:26:25,895 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 11:26:25,896 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 11:26:25,897 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 11:26:25,899 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1311366b-8c50-40df-b7f1-50603f1f15ab/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/loop-new/half.i [2022-11-16 11:26:25,960 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1311366b-8c50-40df-b7f1-50603f1f15ab/bin/uautomizer-tPACEb0tL8/data/94a0f3c25/41e0a217bf134b6f8034e2e09aa74e2e/FLAG8d112f0c9 [2022-11-16 11:26:26,388 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 11:26:26,388 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1311366b-8c50-40df-b7f1-50603f1f15ab/sv-benchmarks/c/loop-new/half.i [2022-11-16 11:26:26,394 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1311366b-8c50-40df-b7f1-50603f1f15ab/bin/uautomizer-tPACEb0tL8/data/94a0f3c25/41e0a217bf134b6f8034e2e09aa74e2e/FLAG8d112f0c9 [2022-11-16 11:26:26,785 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1311366b-8c50-40df-b7f1-50603f1f15ab/bin/uautomizer-tPACEb0tL8/data/94a0f3c25/41e0a217bf134b6f8034e2e09aa74e2e [2022-11-16 11:26:26,788 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 11:26:26,789 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 11:26:26,791 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 11:26:26,791 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 11:26:26,798 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 11:26:26,799 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:26:26" (1/1) ... [2022-11-16 11:26:26,801 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22ece455 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:26:26, skipping insertion in model container [2022-11-16 11:26:26,802 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:26:26" (1/1) ... [2022-11-16 11:26:26,810 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 11:26:26,825 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 11:26:27,027 WARN L229 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_1311366b-8c50-40df-b7f1-50603f1f15ab/sv-benchmarks/c/loop-new/half.i[891,904] [2022-11-16 11:26:27,046 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:26:27,056 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 11:26:27,071 WARN L229 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_1311366b-8c50-40df-b7f1-50603f1f15ab/sv-benchmarks/c/loop-new/half.i[891,904] [2022-11-16 11:26:27,081 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:26:27,101 INFO L208 MainTranslator]: Completed translation [2022-11-16 11:26:27,101 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:26:27 WrapperNode [2022-11-16 11:26:27,102 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 11:26:27,104 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 11:26:27,104 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 11:26:27,104 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 11:26:27,113 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:26:27" (1/1) ... [2022-11-16 11:26:27,123 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:26:27" (1/1) ... [2022-11-16 11:26:27,144 INFO L138 Inliner]: procedures = 16, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 37 [2022-11-16 11:26:27,144 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 11:26:27,145 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 11:26:27,145 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 11:26:27,146 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 11:26:27,154 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:26:27" (1/1) ... [2022-11-16 11:26:27,154 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:26:27" (1/1) ... [2022-11-16 11:26:27,164 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:26:27" (1/1) ... [2022-11-16 11:26:27,164 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:26:27" (1/1) ... [2022-11-16 11:26:27,173 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:26:27" (1/1) ... [2022-11-16 11:26:27,176 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:26:27" (1/1) ... [2022-11-16 11:26:27,178 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:26:27" (1/1) ... [2022-11-16 11:26:27,179 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:26:27" (1/1) ... [2022-11-16 11:26:27,183 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 11:26:27,188 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 11:26:27,188 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 11:26:27,189 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 11:26:27,191 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:26:27" (1/1) ... [2022-11-16 11:26:27,197 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:26:27,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1311366b-8c50-40df-b7f1-50603f1f15ab/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:26:27,222 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1311366b-8c50-40df-b7f1-50603f1f15ab/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:26:27,243 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1311366b-8c50-40df-b7f1-50603f1f15ab/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-16 11:26:27,280 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 11:26:27,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 11:26:27,281 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 11:26:27,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 11:26:27,353 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 11:26:27,355 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 11:26:27,520 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 11:26:27,525 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 11:26:27,529 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-16 11:26:27,531 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:26:27 BoogieIcfgContainer [2022-11-16 11:26:27,531 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 11:26:27,532 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-16 11:26:27,534 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-16 11:26:27,538 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-16 11:26:27,539 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 11:26:27,539 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 16.11 11:26:26" (1/3) ... [2022-11-16 11:26:27,540 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@746d2b71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.11 11:26:27, skipping insertion in model container [2022-11-16 11:26:27,540 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 11:26:27,540 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:26:27" (2/3) ... [2022-11-16 11:26:27,541 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@746d2b71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.11 11:26:27, skipping insertion in model container [2022-11-16 11:26:27,541 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 11:26:27,541 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:26:27" (3/3) ... [2022-11-16 11:26:27,543 INFO L332 chiAutomizerObserver]: Analyzing ICFG half.i [2022-11-16 11:26:27,631 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-16 11:26:27,650 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-16 11:26:27,651 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-16 11:26:27,651 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-16 11:26:27,651 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-16 11:26:27,651 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-16 11:26:27,652 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-16 11:26:27,652 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-16 11:26:27,656 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 states have internal predecessors, (17), 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) [2022-11-16 11:26:27,697 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-16 11:26:27,697 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 11:26:27,697 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 11:26:27,702 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-11-16 11:26:27,702 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-16 11:26:27,702 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-16 11:26:27,702 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 states have internal predecessors, (17), 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) [2022-11-16 11:26:27,704 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-16 11:26:27,704 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 11:26:27,704 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 11:26:27,704 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-11-16 11:26:27,705 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-16 11:26:27,728 INFO L748 eck$LassoCheckResult]: Stem: 3#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); 6#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~post3#1, main_#t~post2#1, main_~i~0#1, main_~n~0#1, main_~k~0#1;main_~i~0#1 := 0;main_~n~0#1 := 0;main_~k~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 10#L28true assume !!(main_~k~0#1 <= 1000000 && main_~k~0#1 >= -1000000);main_~i~0#1 := 0; 8#L29-3true [2022-11-16 11:26:27,728 INFO L750 eck$LassoCheckResult]: Loop: 8#L29-3true assume !!(main_~i~0#1 < 2 * main_~k~0#1); 4#L30true assume 0 == (if main_~i~0#1 < 0 && 0 != main_~i~0#1 % 2 then main_~i~0#1 % 2 - 2 else main_~i~0#1 % 2);main_#t~post3#1 := main_~n~0#1;main_~n~0#1 := 1 + main_#t~post3#1;havoc main_#t~post3#1; 14#L29-2true main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 8#L29-3true [2022-11-16 11:26:27,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:26:27,734 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2022-11-16 11:26:27,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:26:27,743 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [742607888] [2022-11-16 11:26:27,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:26:27,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:26:27,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:26:27,827 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 11:26:27,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:26:27,850 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 11:26:27,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:26:27,853 INFO L85 PathProgramCache]: Analyzing trace with hash 44786, now seen corresponding path program 1 times [2022-11-16 11:26:27,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:26:27,853 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2002702859] [2022-11-16 11:26:27,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:26:27,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:26:27,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:26:27,871 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 11:26:27,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:26:27,884 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 11:26:27,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:26:27,885 INFO L85 PathProgramCache]: Analyzing trace with hash 889574255, now seen corresponding path program 1 times [2022-11-16 11:26:27,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:26:27,886 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [387351698] [2022-11-16 11:26:27,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:26:27,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:26:27,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:26:27,900 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 11:26:27,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:26:27,913 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 11:26:27,988 INFO L210 LassoAnalysis]: Preferences: [2022-11-16 11:26:27,989 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-16 11:26:27,989 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-16 11:26:27,989 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-16 11:26:27,990 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-16 11:26:27,990 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:26:27,990 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-16 11:26:27,990 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-16 11:26:27,991 INFO L133 ssoRankerPreferences]: Filename of dumped script: half.i_Iteration1_Loop [2022-11-16 11:26:27,991 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-16 11:26:27,991 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-16 11:26:28,009 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:26:28,020 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:26:28,026 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:26:28,049 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:26:28,208 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-16 11:26:28,209 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-16 11:26:28,211 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:26:28,212 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1311366b-8c50-40df-b7f1-50603f1f15ab/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:26:28,215 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1311366b-8c50-40df-b7f1-50603f1f15ab/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:26:28,222 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-16 11:26:28,222 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-16 11:26:28,237 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1311366b-8c50-40df-b7f1-50603f1f15ab/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-16 11:26:28,258 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-16 11:26:28,259 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: [] [2022-11-16 11:26:28,272 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1311366b-8c50-40df-b7f1-50603f1f15ab/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-11-16 11:26:28,272 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:26:28,272 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1311366b-8c50-40df-b7f1-50603f1f15ab/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:26:28,274 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1311366b-8c50-40df-b7f1-50603f1f15ab/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:26:28,283 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1311366b-8c50-40df-b7f1-50603f1f15ab/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-16 11:26:28,284 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-16 11:26:28,285 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-16 11:26:28,308 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-16 11:26:28,308 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post3#1=0} Honda state: {ULTIMATE.start_main_#t~post3#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-16 11:26:28,312 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1311366b-8c50-40df-b7f1-50603f1f15ab/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-11-16 11:26:28,312 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:26:28,312 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1311366b-8c50-40df-b7f1-50603f1f15ab/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:26:28,314 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1311366b-8c50-40df-b7f1-50603f1f15ab/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:26:28,319 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-16 11:26:28,320 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-16 11:26:28,334 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1311366b-8c50-40df-b7f1-50603f1f15ab/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-16 11:26:28,343 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1311366b-8c50-40df-b7f1-50603f1f15ab/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-11-16 11:26:28,343 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:26:28,343 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1311366b-8c50-40df-b7f1-50603f1f15ab/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:26:28,347 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1311366b-8c50-40df-b7f1-50603f1f15ab/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:26:28,356 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1311366b-8c50-40df-b7f1-50603f1f15ab/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-16 11:26:28,357 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-16 11:26:28,357 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-16 11:26:28,489 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-16 11:26:28,495 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1311366b-8c50-40df-b7f1-50603f1f15ab/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-11-16 11:26:28,495 INFO L210 LassoAnalysis]: Preferences: [2022-11-16 11:26:28,496 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-16 11:26:28,496 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-16 11:26:28,496 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-16 11:26:28,496 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-16 11:26:28,496 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:26:28,496 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-16 11:26:28,496 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-16 11:26:28,496 INFO L133 ssoRankerPreferences]: Filename of dumped script: half.i_Iteration1_Loop [2022-11-16 11:26:28,496 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-16 11:26:28,497 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-16 11:26:28,498 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:26:28,507 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:26:28,510 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:26:28,521 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:26:28,625 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-16 11:26:28,630 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-16 11:26:28,631 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:26:28,631 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1311366b-8c50-40df-b7f1-50603f1f15ab/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:26:28,632 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1311366b-8c50-40df-b7f1-50603f1f15ab/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:26:28,669 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 [2022-11-16 11:26:28,684 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:26:28,684 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 11:26:28,684 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:26:28,685 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:26:28,685 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:26:28,687 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 11:26:28,687 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 11:26:28,697 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1311366b-8c50-40df-b7f1-50603f1f15ab/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-16 11:26:28,699 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:26:28,709 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1311366b-8c50-40df-b7f1-50603f1f15ab/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-11-16 11:26:28,709 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:26:28,709 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1311366b-8c50-40df-b7f1-50603f1f15ab/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:26:28,711 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1311366b-8c50-40df-b7f1-50603f1f15ab/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:26:28,720 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 [2022-11-16 11:26:28,732 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:26:28,732 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 11:26:28,732 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:26:28,732 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:26:28,732 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:26:28,732 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1311366b-8c50-40df-b7f1-50603f1f15ab/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-16 11:26:28,735 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 11:26:28,735 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 11:26:28,763 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:26:28,770 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1311366b-8c50-40df-b7f1-50603f1f15ab/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-11-16 11:26:28,771 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:26:28,771 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1311366b-8c50-40df-b7f1-50603f1f15ab/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:26:28,772 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1311366b-8c50-40df-b7f1-50603f1f15ab/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:26:28,781 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 [2022-11-16 11:26:28,794 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:26:28,803 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 11:26:28,803 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1311366b-8c50-40df-b7f1-50603f1f15ab/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-11-16 11:26:28,803 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:26:28,803 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:26:28,803 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:26:28,805 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 11:26:28,806 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 11:26:28,816 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-16 11:26:28,822 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2022-11-16 11:26:28,822 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2022-11-16 11:26:28,824 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:26:28,824 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1311366b-8c50-40df-b7f1-50603f1f15ab/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:26:28,839 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1311366b-8c50-40df-b7f1-50603f1f15ab/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:26:28,843 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1311366b-8c50-40df-b7f1-50603f1f15ab/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-11-16 11:26:28,860 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-16 11:26:28,860 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-11-16 11:26:28,860 INFO L513 LassoAnalysis]: Proved termination. [2022-11-16 11:26:28,861 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1, ULTIMATE.start_main_~k~0#1) = -1*ULTIMATE.start_main_~i~0#1 + 2*ULTIMATE.start_main_~k~0#1 Supporting invariants [] [2022-11-16 11:26:28,865 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1311366b-8c50-40df-b7f1-50603f1f15ab/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-11-16 11:26:28,869 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-11-16 11:26:28,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:26:28,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:28,948 INFO L263 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-16 11:26:28,950 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:26:28,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:26:28,978 INFO L263 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-16 11:26:28,981 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:26:29,032 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:26:29,065 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-11-16 11:26:29,067 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 states have internal predecessors, (17), 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 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2022-11-16 11:26:29,116 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 states have internal predecessors, (17), 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 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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 33 states and 41 transitions. Complement of second has 7 states. [2022-11-16 11:26:29,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2022-11-16 11:26:29,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2022-11-16 11:26:29,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 26 transitions. [2022-11-16 11:26:29,135 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 26 transitions. Stem has 3 letters. Loop has 3 letters. [2022-11-16 11:26:29,139 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 11:26:29,140 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 26 transitions. Stem has 6 letters. Loop has 3 letters. [2022-11-16 11:26:29,140 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 11:26:29,140 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 26 transitions. Stem has 3 letters. Loop has 6 letters. [2022-11-16 11:26:29,140 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 11:26:29,141 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 33 states and 41 transitions. [2022-11-16 11:26:29,144 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-16 11:26:29,155 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 33 states to 0 states and 0 transitions. [2022-11-16 11:26:29,156 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-11-16 11:26:29,156 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-11-16 11:26:29,156 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-11-16 11:26:29,157 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:26:29,157 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-16 11:26:29,157 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-16 11:26:29,157 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-16 11:26:29,157 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-16 11:26:29,158 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-11-16 11:26:29,158 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-16 11:26:29,158 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-11-16 11:26:29,165 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 16.11 11:26:29 BoogieIcfgContainer [2022-11-16 11:26:29,166 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-16 11:26:29,168 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 11:26:29,168 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 11:26:29,169 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 11:26:29,169 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:26:27" (3/4) ... [2022-11-16 11:26:29,173 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-16 11:26:29,174 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 11:26:29,176 INFO L158 Benchmark]: Toolchain (without parser) took 2385.23ms. Allocated memory was 117.4MB in the beginning and 155.2MB in the end (delta: 37.7MB). Free memory was 72.7MB in the beginning and 116.7MB in the end (delta: -44.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:26:29,177 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 117.4MB. Free memory is still 88.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:26:29,179 INFO L158 Benchmark]: CACSL2BoogieTranslator took 312.32ms. Allocated memory is still 117.4MB. Free memory was 72.5MB in the beginning and 91.0MB in the end (delta: -18.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-16 11:26:29,184 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.88ms. Allocated memory is still 117.4MB. Free memory was 91.0MB in the beginning and 89.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 11:26:29,185 INFO L158 Benchmark]: Boogie Preprocessor took 41.67ms. Allocated memory is still 117.4MB. Free memory was 89.4MB in the beginning and 88.3MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 11:26:29,187 INFO L158 Benchmark]: RCFGBuilder took 344.16ms. Allocated memory is still 117.4MB. Free memory was 88.3MB in the beginning and 78.9MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-16 11:26:29,188 INFO L158 Benchmark]: BuchiAutomizer took 1634.18ms. Allocated memory was 117.4MB in the beginning and 155.2MB in the end (delta: 37.7MB). Free memory was 78.6MB in the beginning and 116.7MB in the end (delta: -38.1MB). Peak memory consumption was 1.4MB. Max. memory is 16.1GB. [2022-11-16 11:26:29,191 INFO L158 Benchmark]: Witness Printer took 5.56ms. Allocated memory is still 155.2MB. Free memory is still 116.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:26:29,194 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 117.4MB. Free memory is still 88.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 312.32ms. Allocated memory is still 117.4MB. Free memory was 72.5MB in the beginning and 91.0MB in the end (delta: -18.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.88ms. Allocated memory is still 117.4MB. Free memory was 91.0MB in the beginning and 89.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.67ms. Allocated memory is still 117.4MB. Free memory was 89.4MB in the beginning and 88.3MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 344.16ms. Allocated memory is still 117.4MB. Free memory was 88.3MB in the beginning and 78.9MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 1634.18ms. Allocated memory was 117.4MB in the beginning and 155.2MB in the end (delta: 37.7MB). Free memory was 78.6MB in the beginning and 116.7MB in the end (delta: -38.1MB). Peak memory consumption was 1.4MB. Max. memory is 16.1GB. * Witness Printer took 5.56ms. Allocated memory is still 155.2MB. Free memory is still 116.7MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * i + 2 * k and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.5s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 18 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 17 mSDsluCounter, 21 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 10 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 13 IncrementalHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 11 mSDtfsCounter, 13 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital22 mio100 ax100 hnf100 lsp77 ukn100 mio100 lsp100 div317 bol100 ite100 ukn100 eq148 hnf94 smp48 dnf100 smp100 tf105 neg100 sie105 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 68ms VariablesStem: 0 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 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! [2022-11-16 11:26:29,213 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1311366b-8c50-40df-b7f1-50603f1f15ab/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-11-16 11:26:29,412 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1311366b-8c50-40df-b7f1-50603f1f15ab/bin/uautomizer-tPACEb0tL8/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