./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted/Toulouse-MultiBranchesToLoop-2.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 527bcce2 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_bef19752-7608-4bfb-9dca-62bd1db5f35e/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bef19752-7608-4bfb-9dca-62bd1db5f35e/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bef19752-7608-4bfb-9dca-62bd1db5f35e/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bef19752-7608-4bfb-9dca-62bd1db5f35e/bin/uautomizer-verify-bycVGegfSx/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted/Toulouse-MultiBranchesToLoop-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bef19752-7608-4bfb-9dca-62bd1db5f35e/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bef19752-7608-4bfb-9dca-62bd1db5f35e/bin/uautomizer-verify-bycVGegfSx --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 979c09223b4f64932a9ecfe431c2618325c341ab74bc342cc8647dbf1f3b723f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 20:57:32,700 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 20:57:32,842 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bef19752-7608-4bfb-9dca-62bd1db5f35e/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Termination-64bit-Automizer_Default.epf [2023-11-21 20:57:32,850 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 20:57:32,851 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 20:57:32,912 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 20:57:32,914 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 20:57:32,915 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 20:57:32,916 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 20:57:32,921 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 20:57:32,923 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 20:57:32,923 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 20:57:32,924 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 20:57:32,926 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-21 20:57:32,927 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-21 20:57:32,927 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-21 20:57:32,927 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-21 20:57:32,928 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-21 20:57:32,928 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-21 20:57:32,929 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 20:57:32,929 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-21 20:57:32,930 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 20:57:32,930 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 20:57:32,931 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-21 20:57:32,931 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-21 20:57:32,932 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-21 20:57:32,932 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 20:57:32,932 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 20:57:32,933 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-21 20:57:32,933 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 20:57:32,935 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 20:57:32,935 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 20:57:32,935 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 20:57:32,936 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 20:57:32,936 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-21 20:57:32,936 INFO L153 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_bef19752-7608-4bfb-9dca-62bd1db5f35e/bin/uautomizer-verify-bycVGegfSx/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bef19752-7608-4bfb-9dca-62bd1db5f35e/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 979c09223b4f64932a9ecfe431c2618325c341ab74bc342cc8647dbf1f3b723f [2023-11-21 20:57:33,296 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 20:57:33,327 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 20:57:33,330 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 20:57:33,332 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 20:57:33,332 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 20:57:33,334 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bef19752-7608-4bfb-9dca-62bd1db5f35e/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/termination-crafted/Toulouse-MultiBranchesToLoop-2.c [2023-11-21 20:57:36,424 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 20:57:36,656 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 20:57:36,656 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bef19752-7608-4bfb-9dca-62bd1db5f35e/sv-benchmarks/c/termination-crafted/Toulouse-MultiBranchesToLoop-2.c [2023-11-21 20:57:36,665 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bef19752-7608-4bfb-9dca-62bd1db5f35e/bin/uautomizer-verify-bycVGegfSx/data/d04122057/5f8558ac812c4fb899d561e7a9e1d240/FLAGc4f74b1c4 [2023-11-21 20:57:36,680 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bef19752-7608-4bfb-9dca-62bd1db5f35e/bin/uautomizer-verify-bycVGegfSx/data/d04122057/5f8558ac812c4fb899d561e7a9e1d240 [2023-11-21 20:57:36,682 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 20:57:36,684 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 20:57:36,685 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 20:57:36,686 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 20:57:36,691 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 20:57:36,692 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 08:57:36" (1/1) ... [2023-11-21 20:57:36,694 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e509658 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:57:36, skipping insertion in model container [2023-11-21 20:57:36,694 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 08:57:36" (1/1) ... [2023-11-21 20:57:36,717 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 20:57:36,871 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 20:57:36,876 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 20:57:36,892 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 20:57:36,903 INFO L206 MainTranslator]: Completed translation [2023-11-21 20:57:36,904 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:57:36 WrapperNode [2023-11-21 20:57:36,904 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 20:57:36,905 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 20:57:36,905 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 20:57:36,905 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 20:57:36,914 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:57:36" (1/1) ... [2023-11-21 20:57:36,918 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:57:36" (1/1) ... [2023-11-21 20:57:36,936 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 55 [2023-11-21 20:57:36,936 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 20:57:36,937 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 20:57:36,937 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 20:57:36,937 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 20:57:36,945 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:57:36" (1/1) ... [2023-11-21 20:57:36,946 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:57:36" (1/1) ... [2023-11-21 20:57:36,947 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:57:36" (1/1) ... [2023-11-21 20:57:36,953 INFO L187 HeapSplitter]: Split 0 memory accesses to 0 slices as follows [] [2023-11-21 20:57:36,954 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:57:36" (1/1) ... [2023-11-21 20:57:36,954 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:57:36" (1/1) ... [2023-11-21 20:57:36,956 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:57:36" (1/1) ... [2023-11-21 20:57:36,961 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:57:36" (1/1) ... [2023-11-21 20:57:36,962 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:57:36" (1/1) ... [2023-11-21 20:57:36,963 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:57:36" (1/1) ... [2023-11-21 20:57:36,965 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 20:57:36,966 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 20:57:36,966 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 20:57:36,967 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 20:57:36,967 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:57:36" (1/1) ... [2023-11-21 20:57:36,974 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 20:57:36,986 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bef19752-7608-4bfb-9dca-62bd1db5f35e/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 20:57:37,001 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bef19752-7608-4bfb-9dca-62bd1db5f35e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 20:57:37,013 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bef19752-7608-4bfb-9dca-62bd1db5f35e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-21 20:57:37,041 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 20:57:37,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 20:57:37,122 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 20:57:37,124 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 20:57:37,307 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 20:57:37,318 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 20:57:37,318 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 20:57:37,320 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 08:57:37 BoogieIcfgContainer [2023-11-21 20:57:37,320 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 20:57:37,321 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-21 20:57:37,321 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-21 20:57:37,326 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-21 20:57:37,327 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-21 20:57:37,327 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.11 08:57:36" (1/3) ... [2023-11-21 20:57:37,328 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@808db2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.11 08:57:37, skipping insertion in model container [2023-11-21 20:57:37,328 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-21 20:57:37,329 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:57:36" (2/3) ... [2023-11-21 20:57:37,329 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@808db2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.11 08:57:37, skipping insertion in model container [2023-11-21 20:57:37,329 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-21 20:57:37,329 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 08:57:37" (3/3) ... [2023-11-21 20:57:37,331 INFO L332 chiAutomizerObserver]: Analyzing ICFG Toulouse-MultiBranchesToLoop-2.c [2023-11-21 20:57:37,391 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-21 20:57:37,391 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-21 20:57:37,391 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-21 20:57:37,391 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-21 20:57:37,392 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-21 20:57:37,392 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-21 20:57:37,392 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-21 20:57:37,392 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-21 20:57:37,397 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 18 states, 17 states have (on average 1.7647058823529411) internal successors, (30), 17 states have internal predecessors, (30), 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) [2023-11-21 20:57:37,417 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2023-11-21 20:57:37,417 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-21 20:57:37,417 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-21 20:57:37,424 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 20:57:37,424 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2023-11-21 20:57:37,424 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-21 20:57:37,425 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 18 states, 17 states have (on average 1.7647058823529411) internal successors, (30), 17 states have internal predecessors, (30), 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) [2023-11-21 20:57:37,427 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2023-11-21 20:57:37,427 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-21 20:57:37,428 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-21 20:57:37,428 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 20:57:37,429 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2023-11-21 20:57:37,437 INFO L748 eck$LassoCheckResult]: Stem: 13#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true; 5#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet2#1, main_~x~0#1, main_~y~0#1, main_~z~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~z~0#1;havoc main_#t~nondet0#1;main_~y~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~z~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 17#L20true assume !!(-268435455 <= main_~y~0#1); 12#L21true assume !!(-268435455 <= main_~z~0#1);havoc main_#t~nondet2#1; 9#L22true assume 0 != main_#t~nondet2#1;havoc main_#t~nondet2#1;main_~x~0#1 := 1; 6#L22-2true assume !(main_~x~0#1 > 0);main_~x~0#1 := main_~x~0#1 - 1; 15#L27-1true assume !(main_~x~0#1 > 0);main_~x~0#1 := main_~x~0#1 - 1; 4#L32-1true assume !(main_~x~0#1 > 0);main_~x~0#1 := main_~x~0#1 - 1; 7#L37-1true assume !(main_~x~0#1 > 0);main_~x~0#1 := main_~x~0#1 - 1; 3#L42-1true assume !(main_~x~0#1 > 0);main_~x~0#1 := main_~x~0#1 - 1; 10#L47-1true assume !(main_~x~0#1 > 0);main_~x~0#1 := main_~x~0#1 - 1; 18#L52-1true assume !(main_~x~0#1 > 0);main_~x~0#1 := main_~x~0#1 - 1; 16#L57-1true assume main_~x~0#1 > 0;main_~x~0#1 := 1 + main_~x~0#1; 8#L67-1true [2023-11-21 20:57:37,438 INFO L750 eck$LassoCheckResult]: Loop: 8#L67-1true assume !!(main_~y~0#1 < 100 && main_~z~0#1 < 100);main_~y~0#1 := main_~y~0#1 + main_~x~0#1;main_~z~0#1 := main_~z~0#1 - main_~x~0#1; 8#L67-1true [2023-11-21 20:57:37,444 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 20:57:37,445 INFO L85 PathProgramCache]: Analyzing trace with hash -1202253379, now seen corresponding path program 1 times [2023-11-21 20:57:37,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 20:57:37,456 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1452411496] [2023-11-21 20:57:37,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 20:57:37,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 20:57:37,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 20:57:37,637 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 20:57:37,638 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 20:57:37,638 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1452411496] [2023-11-21 20:57:37,639 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1452411496] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 20:57:37,639 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 20:57:37,640 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-21 20:57:37,641 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1832257298] [2023-11-21 20:57:37,642 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 20:57:37,647 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-21 20:57:37,648 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 20:57:37,650 INFO L85 PathProgramCache]: Analyzing trace with hash 105, now seen corresponding path program 1 times [2023-11-21 20:57:37,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 20:57:37,651 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [697327697] [2023-11-21 20:57:37,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 20:57:37,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 20:57:37,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 20:57:37,671 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 20:57:37,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 20:57:37,697 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 20:57:37,794 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 20:57:37,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 20:57:37,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 20:57:37,830 INFO L87 Difference]: Start difference. First operand has 18 states, 17 states have (on average 1.7647058823529411) internal successors, (30), 17 states have internal predecessors, (30), 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 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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) [2023-11-21 20:57:37,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 20:57:37,928 INFO L93 Difference]: Finished difference Result 29 states and 41 transitions. [2023-11-21 20:57:37,930 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 29 states and 41 transitions. [2023-11-21 20:57:37,933 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 2 [2023-11-21 20:57:37,937 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 29 states to 23 states and 32 transitions. [2023-11-21 20:57:37,938 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 23 [2023-11-21 20:57:37,939 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 23 [2023-11-21 20:57:37,939 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 32 transitions. [2023-11-21 20:57:37,940 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 20:57:37,940 INFO L218 hiAutomatonCegarLoop]: Abstraction has 23 states and 32 transitions. [2023-11-21 20:57:37,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states and 32 transitions. [2023-11-21 20:57:37,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 22. [2023-11-21 20:57:37,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 22 states have (on average 1.4090909090909092) internal successors, (31), 21 states have internal predecessors, (31), 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) [2023-11-21 20:57:37,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 31 transitions. [2023-11-21 20:57:37,973 INFO L240 hiAutomatonCegarLoop]: Abstraction has 22 states and 31 transitions. [2023-11-21 20:57:37,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 20:57:37,979 INFO L428 stractBuchiCegarLoop]: Abstraction has 22 states and 31 transitions. [2023-11-21 20:57:37,979 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-21 20:57:37,979 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 31 transitions. [2023-11-21 20:57:37,980 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2023-11-21 20:57:37,981 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-21 20:57:37,981 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-21 20:57:37,983 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 20:57:37,983 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2023-11-21 20:57:37,984 INFO L748 eck$LassoCheckResult]: Stem: 69#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 62#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet2#1, main_~x~0#1, main_~y~0#1, main_~z~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~z~0#1;havoc main_#t~nondet0#1;main_~y~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~z~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 63#L20 assume !!(-268435455 <= main_~y~0#1); 68#L21 assume !!(-268435455 <= main_~z~0#1);havoc main_#t~nondet2#1; 65#L22 assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1;main_~x~0#1 := -1; 66#L22-2 assume main_~x~0#1 > 0;main_~x~0#1 := 1 + main_~x~0#1; 61#L27-1 assume main_~x~0#1 > 0;main_~x~0#1 := 1 + main_~x~0#1; 58#L32-1 assume main_~x~0#1 > 0;main_~x~0#1 := 1 + main_~x~0#1; 59#L37-1 assume main_~x~0#1 > 0;main_~x~0#1 := 1 + main_~x~0#1; 56#L42-1 assume main_~x~0#1 > 0;main_~x~0#1 := 1 + main_~x~0#1; 57#L47-1 assume main_~x~0#1 > 0;main_~x~0#1 := 1 + main_~x~0#1; 67#L52-1 assume main_~x~0#1 > 0;main_~x~0#1 := 1 + main_~x~0#1; 70#L57-1 assume main_~x~0#1 > 0;main_~x~0#1 := 1 + main_~x~0#1; 64#L67-1 [2023-11-21 20:57:37,984 INFO L750 eck$LassoCheckResult]: Loop: 64#L67-1 assume !!(main_~y~0#1 < 100 && main_~z~0#1 < 100);main_~y~0#1 := main_~y~0#1 + main_~x~0#1;main_~z~0#1 := main_~z~0#1 - main_~x~0#1; 64#L67-1 [2023-11-21 20:57:37,986 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 20:57:37,986 INFO L85 PathProgramCache]: Analyzing trace with hash -1547022655, now seen corresponding path program 1 times [2023-11-21 20:57:37,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 20:57:37,988 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [617352933] [2023-11-21 20:57:37,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 20:57:37,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 20:57:38,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 20:57:38,069 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 20:57:38,069 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 20:57:38,069 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [617352933] [2023-11-21 20:57:38,070 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [617352933] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 20:57:38,070 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 20:57:38,070 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-21 20:57:38,070 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [652220439] [2023-11-21 20:57:38,071 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 20:57:38,071 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-21 20:57:38,072 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 20:57:38,072 INFO L85 PathProgramCache]: Analyzing trace with hash 105, now seen corresponding path program 2 times [2023-11-21 20:57:38,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 20:57:38,073 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1831094470] [2023-11-21 20:57:38,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 20:57:38,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 20:57:38,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 20:57:38,079 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 20:57:38,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 20:57:38,084 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 20:57:38,120 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 20:57:38,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 20:57:38,121 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 20:57:38,122 INFO L87 Difference]: Start difference. First operand 22 states and 31 transitions. cyclomatic complexity: 10 Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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) [2023-11-21 20:57:38,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 20:57:38,165 INFO L93 Difference]: Finished difference Result 23 states and 24 transitions. [2023-11-21 20:57:38,165 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 23 states and 24 transitions. [2023-11-21 20:57:38,167 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 2 [2023-11-21 20:57:38,168 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 23 states to 23 states and 24 transitions. [2023-11-21 20:57:38,168 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 23 [2023-11-21 20:57:38,168 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 23 [2023-11-21 20:57:38,168 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 24 transitions. [2023-11-21 20:57:38,169 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 20:57:38,169 INFO L218 hiAutomatonCegarLoop]: Abstraction has 23 states and 24 transitions. [2023-11-21 20:57:38,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states and 24 transitions. [2023-11-21 20:57:38,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 22. [2023-11-21 20:57:38,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 22 states have (on average 1.0454545454545454) internal successors, (23), 21 states have internal predecessors, (23), 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) [2023-11-21 20:57:38,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 23 transitions. [2023-11-21 20:57:38,173 INFO L240 hiAutomatonCegarLoop]: Abstraction has 22 states and 23 transitions. [2023-11-21 20:57:38,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 20:57:38,174 INFO L428 stractBuchiCegarLoop]: Abstraction has 22 states and 23 transitions. [2023-11-21 20:57:38,175 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-11-21 20:57:38,175 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 23 transitions. [2023-11-21 20:57:38,176 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2023-11-21 20:57:38,176 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-21 20:57:38,177 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-21 20:57:38,177 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 20:57:38,177 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2023-11-21 20:57:38,178 INFO L748 eck$LassoCheckResult]: Stem: 121#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 111#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet2#1, main_~x~0#1, main_~y~0#1, main_~z~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~z~0#1;havoc main_#t~nondet0#1;main_~y~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~z~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 112#L20 assume !!(-268435455 <= main_~y~0#1); 120#L21 assume !!(-268435455 <= main_~z~0#1);havoc main_#t~nondet2#1; 118#L22 assume !(0 != main_#t~nondet2#1);havoc main_#t~nondet2#1;main_~x~0#1 := -1; 119#L22-2 assume !(main_~x~0#1 > 0);main_~x~0#1 := main_~x~0#1 - 1; 127#L27-1 assume !(main_~x~0#1 > 0);main_~x~0#1 := main_~x~0#1 - 1; 109#L32-1 assume !(main_~x~0#1 > 0);main_~x~0#1 := main_~x~0#1 - 1; 110#L37-1 assume !(main_~x~0#1 > 0);main_~x~0#1 := main_~x~0#1 - 1; 115#L42-1 assume !(main_~x~0#1 > 0);main_~x~0#1 := main_~x~0#1 - 1; 128#L47-1 assume !(main_~x~0#1 > 0);main_~x~0#1 := main_~x~0#1 - 1; 124#L52-1 assume !(main_~x~0#1 > 0);main_~x~0#1 := main_~x~0#1 - 1; 125#L57-1 assume !(main_~x~0#1 > 0);main_~x~0#1 := main_~x~0#1 - 1; 116#L67-1 [2023-11-21 20:57:38,178 INFO L750 eck$LassoCheckResult]: Loop: 116#L67-1 assume !!(main_~y~0#1 < 100 && main_~z~0#1 < 100);main_~y~0#1 := main_~y~0#1 + main_~x~0#1;main_~z~0#1 := main_~z~0#1 - main_~x~0#1; 116#L67-1 [2023-11-21 20:57:38,179 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 20:57:38,179 INFO L85 PathProgramCache]: Analyzing trace with hash -522195007, now seen corresponding path program 1 times [2023-11-21 20:57:38,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 20:57:38,180 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [969683276] [2023-11-21 20:57:38,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 20:57:38,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 20:57:38,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 20:57:38,212 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 20:57:38,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 20:57:38,240 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 20:57:38,245 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 20:57:38,246 INFO L85 PathProgramCache]: Analyzing trace with hash 105, now seen corresponding path program 3 times [2023-11-21 20:57:38,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 20:57:38,246 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [900811766] [2023-11-21 20:57:38,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 20:57:38,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 20:57:38,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 20:57:38,256 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 20:57:38,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 20:57:38,265 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 20:57:38,266 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 20:57:38,266 INFO L85 PathProgramCache]: Analyzing trace with hash 991824041, now seen corresponding path program 1 times [2023-11-21 20:57:38,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 20:57:38,267 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1107343752] [2023-11-21 20:57:38,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 20:57:38,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 20:57:38,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 20:57:38,285 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 20:57:38,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 20:57:38,300 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 20:57:38,507 INFO L210 LassoAnalysis]: Preferences: [2023-11-21 20:57:38,508 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-21 20:57:38,508 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-21 20:57:38,508 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-21 20:57:38,508 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-21 20:57:38,509 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 20:57:38,509 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-21 20:57:38,509 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-21 20:57:38,509 INFO L133 ssoRankerPreferences]: Filename of dumped script: Toulouse-MultiBranchesToLoop-2.c_Iteration3_Lasso [2023-11-21 20:57:38,509 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-21 20:57:38,509 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-21 20:57:38,528 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 20:57:38,540 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 20:57:38,558 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 20:57:38,561 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 20:57:38,564 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 20:57:38,567 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 20:57:38,571 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 20:57:38,661 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-21 20:57:38,662 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-21 20:57:38,664 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 20:57:38,664 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bef19752-7608-4bfb-9dca-62bd1db5f35e/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 20:57:38,667 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bef19752-7608-4bfb-9dca-62bd1db5f35e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 20:57:38,684 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bef19752-7608-4bfb-9dca-62bd1db5f35e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-11-21 20:57:38,684 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-21 20:57:38,688 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-21 20:57:38,715 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-21 20:57:38,715 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-21 20:57:38,738 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bef19752-7608-4bfb-9dca-62bd1db5f35e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2023-11-21 20:57:38,738 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 20:57:38,738 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bef19752-7608-4bfb-9dca-62bd1db5f35e/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 20:57:38,740 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bef19752-7608-4bfb-9dca-62bd1db5f35e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 20:57:38,741 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bef19752-7608-4bfb-9dca-62bd1db5f35e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-11-21 20:57:38,745 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-21 20:57:38,745 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-21 20:57:38,782 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bef19752-7608-4bfb-9dca-62bd1db5f35e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2023-11-21 20:57:38,782 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 20:57:38,782 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bef19752-7608-4bfb-9dca-62bd1db5f35e/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 20:57:38,783 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bef19752-7608-4bfb-9dca-62bd1db5f35e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 20:57:38,784 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bef19752-7608-4bfb-9dca-62bd1db5f35e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-11-21 20:57:38,785 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-21 20:57:38,785 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-21 20:57:38,835 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-11-21 20:57:38,846 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bef19752-7608-4bfb-9dca-62bd1db5f35e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2023-11-21 20:57:38,848 INFO L210 LassoAnalysis]: Preferences: [2023-11-21 20:57:38,848 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-21 20:57:38,849 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-21 20:57:38,849 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-21 20:57:38,849 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-21 20:57:38,849 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 20:57:38,849 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-21 20:57:38,849 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-21 20:57:38,849 INFO L133 ssoRankerPreferences]: Filename of dumped script: Toulouse-MultiBranchesToLoop-2.c_Iteration3_Lasso [2023-11-21 20:57:38,849 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-21 20:57:38,849 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-21 20:57:38,852 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 20:57:38,859 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 20:57:38,863 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 20:57:38,885 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 20:57:38,889 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 20:57:38,892 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 20:57:38,897 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 20:57:39,032 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-21 20:57:39,037 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-21 20:57:39,038 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 20:57:39,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bef19752-7608-4bfb-9dca-62bd1db5f35e/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 20:57:39,060 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bef19752-7608-4bfb-9dca-62bd1db5f35e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 20:57:39,062 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bef19752-7608-4bfb-9dca-62bd1db5f35e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-11-21 20:57:39,063 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 [2023-11-21 20:57:39,075 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 20:57:39,076 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 20:57:39,076 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 20:57:39,076 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 20:57:39,096 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 20:57:39,096 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 20:57:39,114 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 20:57:39,137 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bef19752-7608-4bfb-9dca-62bd1db5f35e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2023-11-21 20:57:39,137 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 20:57:39,137 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bef19752-7608-4bfb-9dca-62bd1db5f35e/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 20:57:39,140 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bef19752-7608-4bfb-9dca-62bd1db5f35e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 20:57:39,144 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bef19752-7608-4bfb-9dca-62bd1db5f35e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2023-11-21 20:57:39,146 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 [2023-11-21 20:57:39,159 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 20:57:39,159 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 20:57:39,159 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 20:57:39,159 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 20:57:39,160 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 20:57:39,161 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 20:57:39,162 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 20:57:39,175 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 20:57:39,200 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bef19752-7608-4bfb-9dca-62bd1db5f35e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2023-11-21 20:57:39,200 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 20:57:39,200 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bef19752-7608-4bfb-9dca-62bd1db5f35e/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 20:57:39,202 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bef19752-7608-4bfb-9dca-62bd1db5f35e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 20:57:39,213 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 [2023-11-21 20:57:39,228 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 20:57:39,228 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 20:57:39,228 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 20:57:39,228 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 20:57:39,235 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bef19752-7608-4bfb-9dca-62bd1db5f35e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2023-11-21 20:57:39,242 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 20:57:39,243 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 20:57:39,267 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-21 20:57:39,289 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2023-11-21 20:57:39,289 INFO L444 ModelExtractionUtils]: 0 out of 13 variables were initially zero. Simplification set additionally 8 variables to zero. [2023-11-21 20:57:39,291 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 20:57:39,291 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bef19752-7608-4bfb-9dca-62bd1db5f35e/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 20:57:39,342 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bef19752-7608-4bfb-9dca-62bd1db5f35e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 20:57:39,345 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-21 20:57:39,357 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bef19752-7608-4bfb-9dca-62bd1db5f35e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2023-11-21 20:57:39,371 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2023-11-21 20:57:39,371 INFO L513 LassoAnalysis]: Proved termination. [2023-11-21 20:57:39,371 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~z~0#1) = -1*ULTIMATE.start_main_~z~0#1 + 100 Supporting invariants [-1*ULTIMATE.start_main_~x~0#1 - 2 >= 0] [2023-11-21 20:57:39,395 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bef19752-7608-4bfb-9dca-62bd1db5f35e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2023-11-21 20:57:39,405 INFO L156 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2023-11-21 20:57:39,456 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 20:57:39,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 20:57:39,480 INFO L262 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-21 20:57:39,488 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 20:57:39,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 20:57:39,711 WARN L260 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 20:57:39,712 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 20:57:39,712 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 20:57:39,716 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.9 stem predicates 1 loop predicates [2023-11-21 20:57:39,717 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 22 states and 23 transitions. cyclomatic complexity: 2 Second operand has 10 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) [2023-11-21 20:57:39,953 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 22 states and 23 transitions. cyclomatic complexity: 2. Second operand has 10 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) Result 24 states and 25 transitions. Complement of second has 10 states. [2023-11-21 20:57:39,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 10 states 9 stem states 0 non-accepting loop states 1 accepting loop states [2023-11-21 20:57:39,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 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) [2023-11-21 20:57:39,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 24 transitions. [2023-11-21 20:57:39,957 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 24 transitions. Stem has 13 letters. Loop has 1 letters. [2023-11-21 20:57:39,958 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 20:57:39,959 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 24 transitions. Stem has 14 letters. Loop has 1 letters. [2023-11-21 20:57:39,959 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 20:57:39,959 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 24 transitions. Stem has 13 letters. Loop has 2 letters. [2023-11-21 20:57:39,959 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 20:57:39,959 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 25 transitions. [2023-11-21 20:57:39,961 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2023-11-21 20:57:39,961 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 14 states and 14 transitions. [2023-11-21 20:57:39,962 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2023-11-21 20:57:39,962 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2023-11-21 20:57:39,962 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 14 transitions. [2023-11-21 20:57:39,962 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 20:57:39,962 INFO L218 hiAutomatonCegarLoop]: Abstraction has 14 states and 14 transitions. [2023-11-21 20:57:39,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states and 14 transitions. [2023-11-21 20:57:39,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2023-11-21 20:57:39,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 1.0) internal successors, (14), 13 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) [2023-11-21 20:57:39,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 14 transitions. [2023-11-21 20:57:39,964 INFO L240 hiAutomatonCegarLoop]: Abstraction has 14 states and 14 transitions. [2023-11-21 20:57:39,964 INFO L428 stractBuchiCegarLoop]: Abstraction has 14 states and 14 transitions. [2023-11-21 20:57:39,964 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2023-11-21 20:57:39,964 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 14 transitions. [2023-11-21 20:57:39,965 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2023-11-21 20:57:39,965 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-21 20:57:39,965 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-21 20:57:39,966 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 20:57:39,966 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2023-11-21 20:57:39,966 INFO L748 eck$LassoCheckResult]: Stem: 254#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 246#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet2#1, main_~x~0#1, main_~y~0#1, main_~z~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~z~0#1;havoc main_#t~nondet0#1;main_~y~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~z~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 247#L20 assume !!(-268435455 <= main_~y~0#1); 253#L21 assume !!(-268435455 <= main_~z~0#1);havoc main_#t~nondet2#1; 252#L22 assume 0 != main_#t~nondet2#1;havoc main_#t~nondet2#1;main_~x~0#1 := 1; 248#L22-2 assume main_~x~0#1 > 0;main_~x~0#1 := 1 + main_~x~0#1; 249#L27-1 assume main_~x~0#1 > 0;main_~x~0#1 := 1 + main_~x~0#1; 244#L32-1 assume main_~x~0#1 > 0;main_~x~0#1 := 1 + main_~x~0#1; 245#L37-1 assume main_~x~0#1 > 0;main_~x~0#1 := 1 + main_~x~0#1; 242#L42-1 assume main_~x~0#1 > 0;main_~x~0#1 := 1 + main_~x~0#1; 243#L47-1 assume main_~x~0#1 > 0;main_~x~0#1 := 1 + main_~x~0#1; 251#L52-1 assume main_~x~0#1 > 0;main_~x~0#1 := 1 + main_~x~0#1; 255#L57-1 assume main_~x~0#1 > 0;main_~x~0#1 := 1 + main_~x~0#1; 250#L67-1 [2023-11-21 20:57:39,966 INFO L750 eck$LassoCheckResult]: Loop: 250#L67-1 assume !!(main_~y~0#1 < 100 && main_~z~0#1 < 100);main_~y~0#1 := main_~y~0#1 + main_~x~0#1;main_~z~0#1 := main_~z~0#1 - main_~x~0#1; 250#L67-1 [2023-11-21 20:57:39,967 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 20:57:39,967 INFO L85 PathProgramCache]: Analyzing trace with hash 2067886271, now seen corresponding path program 1 times [2023-11-21 20:57:39,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 20:57:39,967 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [316328982] [2023-11-21 20:57:39,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 20:57:39,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 20:57:39,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 20:57:39,978 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 20:57:39,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 20:57:39,988 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 20:57:39,988 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 20:57:39,989 INFO L85 PathProgramCache]: Analyzing trace with hash 105, now seen corresponding path program 4 times [2023-11-21 20:57:39,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 20:57:39,989 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [302474470] [2023-11-21 20:57:39,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 20:57:39,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 20:57:39,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 20:57:39,993 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 20:57:40,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 20:57:40,001 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 20:57:40,002 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 20:57:40,002 INFO L85 PathProgramCache]: Analyzing trace with hash -320034965, now seen corresponding path program 1 times [2023-11-21 20:57:40,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 20:57:40,003 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1785233280] [2023-11-21 20:57:40,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 20:57:40,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 20:57:40,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 20:57:40,024 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 20:57:40,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 20:57:40,039 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 20:57:40,209 INFO L210 LassoAnalysis]: Preferences: [2023-11-21 20:57:40,209 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-21 20:57:40,209 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-21 20:57:40,209 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-21 20:57:40,209 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-21 20:57:40,209 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 20:57:40,209 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-21 20:57:40,210 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-21 20:57:40,210 INFO L133 ssoRankerPreferences]: Filename of dumped script: Toulouse-MultiBranchesToLoop-2.c_Iteration4_Lasso [2023-11-21 20:57:40,210 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-21 20:57:40,210 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-21 20:57:40,213 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 20:57:40,217 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 20:57:40,236 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 20:57:40,238 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 20:57:40,242 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 20:57:40,245 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 20:57:40,247 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 20:57:40,330 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-21 20:57:40,330 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-21 20:57:40,331 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 20:57:40,331 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bef19752-7608-4bfb-9dca-62bd1db5f35e/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 20:57:40,332 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bef19752-7608-4bfb-9dca-62bd1db5f35e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 20:57:40,345 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-21 20:57:40,345 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-21 20:57:40,358 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bef19752-7608-4bfb-9dca-62bd1db5f35e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2023-11-21 20:57:40,368 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-21 20:57:40,368 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_3=0} Honda state: {v_rep~unnamed0~0~false_3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-21 20:57:40,388 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bef19752-7608-4bfb-9dca-62bd1db5f35e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2023-11-21 20:57:40,389 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 20:57:40,389 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bef19752-7608-4bfb-9dca-62bd1db5f35e/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 20:57:40,390 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bef19752-7608-4bfb-9dca-62bd1db5f35e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 20:57:40,396 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bef19752-7608-4bfb-9dca-62bd1db5f35e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2023-11-21 20:57:40,396 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-21 20:57:40,397 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-21 20:57:40,444 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bef19752-7608-4bfb-9dca-62bd1db5f35e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2023-11-21 20:57:40,444 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 20:57:40,444 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bef19752-7608-4bfb-9dca-62bd1db5f35e/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 20:57:40,445 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bef19752-7608-4bfb-9dca-62bd1db5f35e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 20:57:40,460 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-21 20:57:40,460 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-21 20:57:40,474 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bef19752-7608-4bfb-9dca-62bd1db5f35e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2023-11-21 20:57:40,512 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-11-21 20:57:40,520 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bef19752-7608-4bfb-9dca-62bd1db5f35e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2023-11-21 20:57:40,521 INFO L210 LassoAnalysis]: Preferences: [2023-11-21 20:57:40,521 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-21 20:57:40,521 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-21 20:57:40,521 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-21 20:57:40,521 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-21 20:57:40,521 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 20:57:40,521 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-21 20:57:40,522 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-21 20:57:40,522 INFO L133 ssoRankerPreferences]: Filename of dumped script: Toulouse-MultiBranchesToLoop-2.c_Iteration4_Lasso [2023-11-21 20:57:40,522 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-21 20:57:40,522 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-21 20:57:40,523 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 20:57:40,532 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 20:57:40,547 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 20:57:40,550 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 20:57:40,552 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 20:57:40,555 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 20:57:40,559 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 20:57:40,641 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-21 20:57:40,642 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-21 20:57:40,642 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 20:57:40,642 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bef19752-7608-4bfb-9dca-62bd1db5f35e/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 20:57:40,643 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bef19752-7608-4bfb-9dca-62bd1db5f35e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 20:57:40,645 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 [2023-11-21 20:57:40,657 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 20:57:40,658 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 20:57:40,658 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 20:57:40,658 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 20:57:40,668 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 20:57:40,668 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 20:57:40,671 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bef19752-7608-4bfb-9dca-62bd1db5f35e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2023-11-21 20:57:40,679 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 20:57:40,698 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bef19752-7608-4bfb-9dca-62bd1db5f35e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2023-11-21 20:57:40,698 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 20:57:40,698 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bef19752-7608-4bfb-9dca-62bd1db5f35e/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 20:57:40,699 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bef19752-7608-4bfb-9dca-62bd1db5f35e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 20:57:40,704 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 [2023-11-21 20:57:40,716 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 20:57:40,717 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 20:57:40,717 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 20:57:40,717 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 20:57:40,724 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 20:57:40,724 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 20:57:40,726 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bef19752-7608-4bfb-9dca-62bd1db5f35e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2023-11-21 20:57:40,739 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-21 20:57:40,754 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2023-11-21 20:57:40,754 INFO L444 ModelExtractionUtils]: 0 out of 13 variables were initially zero. Simplification set additionally 8 variables to zero. [2023-11-21 20:57:40,754 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 20:57:40,755 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bef19752-7608-4bfb-9dca-62bd1db5f35e/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 20:57:40,759 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bef19752-7608-4bfb-9dca-62bd1db5f35e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 20:57:40,765 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-21 20:57:40,777 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bef19752-7608-4bfb-9dca-62bd1db5f35e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2023-11-21 20:57:40,793 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2023-11-21 20:57:40,793 INFO L513 LassoAnalysis]: Proved termination. [2023-11-21 20:57:40,793 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0#1) = -1*ULTIMATE.start_main_~y~0#1 + 100 Supporting invariants [1*ULTIMATE.start_main_~x~0#1 - 2 >= 0] [2023-11-21 20:57:40,819 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bef19752-7608-4bfb-9dca-62bd1db5f35e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2023-11-21 20:57:40,822 INFO L156 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2023-11-21 20:57:40,849 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 20:57:40,902 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bef19752-7608-4bfb-9dca-62bd1db5f35e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2023-11-21 20:57:40,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 20:57:40,917 INFO L262 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-21 20:57:40,919 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 20:57:40,951 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bef19752-7608-4bfb-9dca-62bd1db5f35e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2023-11-21 20:57:41,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 20:57:41,090 WARN L260 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 20:57:41,091 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 20:57:41,091 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 20:57:41,092 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.8 stem predicates 1 loop predicates [2023-11-21 20:57:41,093 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 14 states and 14 transitions. cyclomatic complexity: 1 Second operand has 9 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 9 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 20:57:41,210 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 14 states and 14 transitions. cyclomatic complexity: 1. Second operand has 9 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 9 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 15 states and 15 transitions. Complement of second has 9 states. [2023-11-21 20:57:41,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 9 states 8 stem states 0 non-accepting loop states 1 accepting loop states [2023-11-21 20:57:41,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 9 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 20:57:41,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 14 transitions. [2023-11-21 20:57:41,212 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 14 transitions. Stem has 13 letters. Loop has 1 letters. [2023-11-21 20:57:41,212 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 20:57:41,212 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 14 transitions. Stem has 14 letters. Loop has 1 letters. [2023-11-21 20:57:41,212 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 20:57:41,213 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 14 transitions. Stem has 13 letters. Loop has 2 letters. [2023-11-21 20:57:41,213 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 20:57:41,213 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 15 transitions. [2023-11-21 20:57:41,214 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-21 20:57:41,214 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 0 states and 0 transitions. [2023-11-21 20:57:41,214 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-11-21 20:57:41,214 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-11-21 20:57:41,215 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-11-21 20:57:41,215 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 20:57:41,215 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-21 20:57:41,215 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-21 20:57:41,215 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-21 20:57:41,215 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2023-11-21 20:57:41,215 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-11-21 20:57:41,215 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-21 20:57:41,215 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-11-21 20:57:41,223 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.11 08:57:41 BoogieIcfgContainer [2023-11-21 20:57:41,223 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-21 20:57:41,224 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 20:57:41,224 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 20:57:41,224 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 20:57:41,225 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 08:57:37" (3/4) ... [2023-11-21 20:57:41,227 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-21 20:57:41,228 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 20:57:41,229 INFO L158 Benchmark]: Toolchain (without parser) took 4544.38ms. Allocated memory was 178.3MB in the beginning and 213.9MB in the end (delta: 35.7MB). Free memory was 147.8MB in the beginning and 162.3MB in the end (delta: -14.5MB). Peak memory consumption was 21.6MB. Max. memory is 16.1GB. [2023-11-21 20:57:41,229 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 119.5MB. Free memory is still 93.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 20:57:41,229 INFO L158 Benchmark]: CACSL2BoogieTranslator took 218.87ms. Allocated memory is still 178.3MB. Free memory was 147.8MB in the beginning and 137.4MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-21 20:57:41,230 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.33ms. Allocated memory is still 178.3MB. Free memory was 137.4MB in the beginning and 136.0MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 20:57:41,230 INFO L158 Benchmark]: Boogie Preprocessor took 28.36ms. Allocated memory is still 178.3MB. Free memory was 136.0MB in the beginning and 134.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 20:57:41,231 INFO L158 Benchmark]: RCFGBuilder took 354.00ms. Allocated memory is still 178.3MB. Free memory was 134.6MB in the beginning and 144.5MB in the end (delta: -9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-21 20:57:41,232 INFO L158 Benchmark]: BuchiAutomizer took 3902.27ms. Allocated memory was 178.3MB in the beginning and 213.9MB in the end (delta: 35.7MB). Free memory was 144.5MB in the beginning and 162.3MB in the end (delta: -17.7MB). Peak memory consumption was 20.5MB. Max. memory is 16.1GB. [2023-11-21 20:57:41,232 INFO L158 Benchmark]: Witness Printer took 3.71ms. Allocated memory is still 213.9MB. Free memory is still 162.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 20:57:41,235 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 119.5MB. Free memory is still 93.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 218.87ms. Allocated memory is still 178.3MB. Free memory was 147.8MB in the beginning and 137.4MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.33ms. Allocated memory is still 178.3MB. Free memory was 137.4MB in the beginning and 136.0MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.36ms. Allocated memory is still 178.3MB. Free memory was 136.0MB in the beginning and 134.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 354.00ms. Allocated memory is still 178.3MB. Free memory was 134.6MB in the beginning and 144.5MB in the end (delta: -9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 3902.27ms. Allocated memory was 178.3MB in the beginning and 213.9MB in the end (delta: 35.7MB). Free memory was 144.5MB in the beginning and 162.3MB in the end (delta: -17.7MB). Peak memory consumption was 20.5MB. Max. memory is 16.1GB. * Witness Printer took 3.71ms. Allocated memory is still 213.9MB. Free memory is still 162.3MB. 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 4 terminating modules (2 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function ((-1 * z) + 100) and consists of 10 locations. One deterministic module has affine ranking function ((-1 * y) + 100) and consists of 9 locations. 2 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.8s and 5 iterations. TraceHistogramMax:1. Analysis of lassos took 2.5s. Construction of modules took 0.1s. Büchi inclusion checks took 0.9s. Highest rank in rank-based complementation 3. Minimization of det autom 4. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 2 StatesRemovedByMinimization, 2 NontrivialMinimizations. 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 [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 33 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 33 mSDsluCounter, 92 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 35 mSDsCounter, 64 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 147 IncrementalHoareTripleChecker+Invalid, 211 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 64 mSolverCounterUnsat, 57 mSDtfsCounter, 147 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN2 SILU0 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital32 mio100 ax137 hnf100 lsp72 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq153 hnf93 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 76ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.3s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2023-11-21 20:57:41,271 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bef19752-7608-4bfb-9dca-62bd1db5f35e/bin/uautomizer-verify-bycVGegfSx/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