./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loops/insertion_sort-2-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loops/insertion_sort-2-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1 --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 32bit --witnessprinter.graph.data.programhash f08b02f494e898be2e8c5098de245f701022f3f8b39ac6682b3bca3a03512826 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 10:09:14,319 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 10:09:14,376 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-12-02 10:09:14,381 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 10:09:14,382 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 10:09:14,405 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 10:09:14,405 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 10:09:14,405 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 10:09:14,406 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 10:09:14,406 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 10:09:14,406 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 10:09:14,406 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 10:09:14,406 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 10:09:14,407 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-12-02 10:09:14,407 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-12-02 10:09:14,407 INFO L153 SettingsManager]: * Use old map elimination=false [2024-12-02 10:09:14,407 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-12-02 10:09:14,407 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-12-02 10:09:14,407 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-12-02 10:09:14,407 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 10:09:14,407 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-12-02 10:09:14,407 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 10:09:14,407 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 10:09:14,407 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 10:09:14,408 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 10:09:14,408 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-12-02 10:09:14,408 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-12-02 10:09:14,408 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-12-02 10:09:14,408 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-02 10:09:14,408 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 10:09:14,408 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 10:09:14,408 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-12-02 10:09:14,408 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 10:09:14,408 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 10:09:14,408 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 10:09:14,409 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 10:09:14,409 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 10:09:14,409 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL_NO_AM [2024-12-02 10:09:14,409 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-12-02 10:09:14,409 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR 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_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1 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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f08b02f494e898be2e8c5098de245f701022f3f8b39ac6682b3bca3a03512826 [2024-12-02 10:09:14,656 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 10:09:14,664 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 10:09:14,667 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 10:09:14,668 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 10:09:14,668 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 10:09:14,669 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/loops/insertion_sort-2-2.c [2024-12-02 10:09:17,350 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/data/bc53a027e/415c6fc1912b4aff800df03dcb2d5816/FLAG36226bc33 [2024-12-02 10:09:17,541 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 10:09:17,542 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/sv-benchmarks/c/loops/insertion_sort-2-2.c [2024-12-02 10:09:17,550 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/data/bc53a027e/415c6fc1912b4aff800df03dcb2d5816/FLAG36226bc33 [2024-12-02 10:09:17,566 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/data/bc53a027e/415c6fc1912b4aff800df03dcb2d5816 [2024-12-02 10:09:17,569 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 10:09:17,570 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 10:09:17,572 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 10:09:17,572 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 10:09:17,577 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 10:09:17,578 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:09:17" (1/1) ... [2024-12-02 10:09:17,579 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61d3dbe4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:09:17, skipping insertion in model container [2024-12-02 10:09:17,579 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:09:17" (1/1) ... [2024-12-02 10:09:17,596 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 10:09:17,756 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 10:09:17,767 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 10:09:17,785 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 10:09:17,799 INFO L204 MainTranslator]: Completed translation [2024-12-02 10:09:17,799 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:09:17 WrapperNode [2024-12-02 10:09:17,800 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 10:09:17,801 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 10:09:17,801 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 10:09:17,801 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 10:09:17,807 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:09:17" (1/1) ... [2024-12-02 10:09:17,813 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:09:17" (1/1) ... [2024-12-02 10:09:17,829 INFO L138 Inliner]: procedures = 15, calls = 20, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 79 [2024-12-02 10:09:17,830 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 10:09:17,830 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 10:09:17,830 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 10:09:17,830 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 10:09:17,840 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:09:17" (1/1) ... [2024-12-02 10:09:17,840 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:09:17" (1/1) ... [2024-12-02 10:09:17,842 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:09:17" (1/1) ... [2024-12-02 10:09:17,855 INFO L175 MemorySlicer]: Split 10 memory accesses to 2 slices as follows [2, 8]. 80 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 3 writes are split as follows [0, 3]. [2024-12-02 10:09:17,855 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:09:17" (1/1) ... [2024-12-02 10:09:17,855 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:09:17" (1/1) ... [2024-12-02 10:09:17,860 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:09:17" (1/1) ... [2024-12-02 10:09:17,861 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:09:17" (1/1) ... [2024-12-02 10:09:17,864 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:09:17" (1/1) ... [2024-12-02 10:09:17,865 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:09:17" (1/1) ... [2024-12-02 10:09:17,866 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:09:17" (1/1) ... [2024-12-02 10:09:17,868 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 10:09:17,869 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 10:09:17,869 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 10:09:17,869 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 10:09:17,870 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:09:17" (1/1) ... [2024-12-02 10:09:17,876 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 10:09:17,889 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:09:17,904 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 10:09:17,907 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-12-02 10:09:17,937 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 10:09:17,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 10:09:17,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-12-02 10:09:17,938 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-02 10:09:17,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-12-02 10:09:17,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-12-02 10:09:17,938 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 10:09:17,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 10:09:17,938 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-12-02 10:09:17,938 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-12-02 10:09:17,938 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-02 10:09:18,012 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 10:09:18,014 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 10:09:18,192 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-12-02 10:09:18,192 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 10:09:18,201 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 10:09:18,202 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-12-02 10:09:18,202 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:09:18 BoogieIcfgContainer [2024-12-02 10:09:18,202 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 10:09:18,203 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-12-02 10:09:18,203 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-12-02 10:09:18,208 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-12-02 10:09:18,209 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-12-02 10:09:18,209 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 02.12 10:09:17" (1/3) ... [2024-12-02 10:09:18,210 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1c4090b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.12 10:09:18, skipping insertion in model container [2024-12-02 10:09:18,210 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-12-02 10:09:18,210 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:09:17" (2/3) ... [2024-12-02 10:09:18,210 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1c4090b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.12 10:09:18, skipping insertion in model container [2024-12-02 10:09:18,210 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-12-02 10:09:18,210 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:09:18" (3/3) ... [2024-12-02 10:09:18,212 INFO L363 chiAutomizerObserver]: Analyzing ICFG insertion_sort-2-2.c [2024-12-02 10:09:18,254 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-12-02 10:09:18,255 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-12-02 10:09:18,255 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-12-02 10:09:18,255 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-12-02 10:09:18,255 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-12-02 10:09:18,255 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-12-02 10:09:18,256 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-12-02 10:09:18,256 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-12-02 10:09:18,260 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 24 states, 23 states have (on average 1.4782608695652173) internal successors, (34), 23 states have internal predecessors, (34), 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) [2024-12-02 10:09:18,273 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 15 [2024-12-02 10:09:18,274 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-12-02 10:09:18,274 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-12-02 10:09:18,278 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-12-02 10:09:18,278 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-12-02 10:09:18,278 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-12-02 10:09:18,279 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 24 states, 23 states have (on average 1.4782608695652173) internal successors, (34), 23 states have internal predecessors, (34), 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) [2024-12-02 10:09:18,280 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 15 [2024-12-02 10:09:18,280 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-12-02 10:09:18,280 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-12-02 10:09:18,281 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-12-02 10:09:18,281 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-12-02 10:09:18,287 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(21, 2);call #Ultimate.allocInit(12, 3);" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~post6#1, main_#t~mem7#1, main_#t~mem8#1, main_#t~short9#1, main_#t~mem10#1, main_#t~post11#1, main_#t~mem12#1, main_#t~mem13#1, main_#t~post14#1, main_~SIZE~0#1, main_~i~0#1, main_~j~0#1, main_~k~0#1, main_~key~0#1, main_~#v~0#1.base, main_~#v~0#1.offset;havoc main_#t~nondet4#1;main_~SIZE~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !((if main_~SIZE~0#1 % 4294967296 % 18446744073709551616 <= 9223372036854775807 then main_~SIZE~0#1 % 4294967296 % 18446744073709551616 else main_~SIZE~0#1 % 4294967296 % 18446744073709551616 - 18446744073709551616) >= 1000000000);havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~k~0#1;havoc main_~key~0#1;call main_~#v~0#1.base, main_~#v~0#1.offset := #Ultimate.allocOnStack(4 * main_~SIZE~0#1 % 4294967296);main_~j~0#1 := 0;" [2024-12-02 10:09:18,288 INFO L749 eck$LassoCheckResult]: Loop: "assume main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296;" "havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1;" [2024-12-02 10:09:18,292 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:09:18,293 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2024-12-02 10:09:18,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 10:09:18,300 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1070658966] [2024-12-02 10:09:18,300 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:09:18,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:09:18,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 10:09:18,378 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 10:09:18,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 10:09:18,405 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 10:09:18,407 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:09:18,407 INFO L85 PathProgramCache]: Analyzing trace with hash 1381, now seen corresponding path program 1 times [2024-12-02 10:09:18,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 10:09:18,408 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1838114922] [2024-12-02 10:09:18,408 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:09:18,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:09:18,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 10:09:18,421 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 10:09:18,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 10:09:18,431 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 10:09:18,433 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:09:18,433 INFO L85 PathProgramCache]: Analyzing trace with hash 28695880, now seen corresponding path program 1 times [2024-12-02 10:09:18,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 10:09:18,433 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1548825460] [2024-12-02 10:09:18,433 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:09:18,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:09:18,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 10:09:18,459 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 10:09:18,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 10:09:18,478 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 10:09:18,894 INFO L204 LassoAnalysis]: Preferences: [2024-12-02 10:09:18,895 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-12-02 10:09:18,895 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-12-02 10:09:18,895 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-12-02 10:09:18,895 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-12-02 10:09:18,895 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 10:09:18,895 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-12-02 10:09:18,895 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-12-02 10:09:18,896 INFO L132 ssoRankerPreferences]: Filename of dumped script: insertion_sort-2-2.c_Iteration1_Lasso [2024-12-02 10:09:18,896 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-12-02 10:09:18,896 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-12-02 10:09:18,914 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 10:09:18,922 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 10:09:18,947 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 10:09:18,950 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 10:09:18,952 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 10:09:18,956 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 10:09:18,959 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 10:09:18,962 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 10:09:18,965 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 10:09:19,215 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 10:09:19,218 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 10:09:19,220 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 10:09:19,223 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 10:09:19,227 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 10:09:19,229 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 10:09:19,232 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 10:09:19,235 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 10:09:19,643 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-12-02 10:09:19,647 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-12-02 10:09:19,649 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 10:09:19,649 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:09:19,651 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 10:09:19,653 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2024-12-02 10:09:19,653 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 [2024-12-02 10:09:19,666 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 10:09:19,667 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-12-02 10:09:19,667 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 10:09:19,667 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 10:09:19,668 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 10:09:19,671 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-12-02 10:09:19,671 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-12-02 10:09:19,674 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 10:09:19,680 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2024-12-02 10:09:19,681 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 10:09:19,681 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:09:19,683 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 10:09:19,685 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-12-02 10:09:19,686 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 [2024-12-02 10:09:19,699 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 10:09:19,699 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 10:09:19,699 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 10:09:19,699 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 10:09:19,703 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-12-02 10:09:19,703 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-12-02 10:09:19,707 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 10:09:19,713 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2024-12-02 10:09:19,714 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 10:09:19,714 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:09:19,716 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 10:09:19,722 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-12-02 10:09:19,722 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 [2024-12-02 10:09:19,734 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 10:09:19,734 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 10:09:19,734 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 10:09:19,734 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 10:09:19,737 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-12-02 10:09:19,737 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-12-02 10:09:19,741 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 10:09:19,749 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2024-12-02 10:09:19,750 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 10:09:19,750 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:09:19,752 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 10:09:19,753 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-12-02 10:09:19,754 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 [2024-12-02 10:09:19,765 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 10:09:19,765 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-12-02 10:09:19,765 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 10:09:19,765 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 10:09:19,766 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 10:09:19,766 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-12-02 10:09:19,766 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-12-02 10:09:19,768 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 10:09:19,774 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2024-12-02 10:09:19,775 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 10:09:19,775 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:09:19,776 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 10:09:19,778 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2024-12-02 10:09:19,779 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 [2024-12-02 10:09:19,791 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 10:09:19,791 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-12-02 10:09:19,791 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 10:09:19,791 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 10:09:19,791 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 10:09:19,792 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-12-02 10:09:19,792 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-12-02 10:09:19,793 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 10:09:19,799 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2024-12-02 10:09:19,799 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 10:09:19,800 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:09:19,801 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 10:09:19,803 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2024-12-02 10:09:19,804 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 [2024-12-02 10:09:19,816 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 10:09:19,816 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-12-02 10:09:19,816 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 10:09:19,816 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 10:09:19,816 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 10:09:19,817 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-12-02 10:09:19,817 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-12-02 10:09:19,819 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 10:09:19,824 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2024-12-02 10:09:19,825 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 10:09:19,825 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:09:19,827 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 10:09:19,828 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2024-12-02 10:09:19,829 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 [2024-12-02 10:09:19,841 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 10:09:19,842 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-12-02 10:09:19,842 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 10:09:19,842 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 10:09:19,842 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 10:09:19,842 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-12-02 10:09:19,842 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-12-02 10:09:19,844 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 10:09:19,850 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2024-12-02 10:09:19,851 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 10:09:19,851 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:09:19,852 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 10:09:19,853 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2024-12-02 10:09:19,855 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 [2024-12-02 10:09:19,867 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 10:09:19,867 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-12-02 10:09:19,867 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 10:09:19,867 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 10:09:19,867 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 10:09:19,867 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-12-02 10:09:19,868 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-12-02 10:09:19,869 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 10:09:19,875 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2024-12-02 10:09:19,875 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 10:09:19,875 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:09:19,877 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 10:09:19,878 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2024-12-02 10:09:19,879 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 [2024-12-02 10:09:19,891 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 10:09:19,891 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-12-02 10:09:19,891 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 10:09:19,891 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 10:09:19,891 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 10:09:19,892 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-12-02 10:09:19,892 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-12-02 10:09:19,893 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 10:09:19,898 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2024-12-02 10:09:19,899 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 10:09:19,899 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:09:19,900 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 10:09:19,901 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2024-12-02 10:09:19,903 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 [2024-12-02 10:09:19,914 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 10:09:19,914 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 10:09:19,914 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 10:09:19,914 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 10:09:19,917 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-12-02 10:09:19,917 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-12-02 10:09:19,922 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 10:09:19,928 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2024-12-02 10:09:19,929 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 10:09:19,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:09:19,930 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 10:09:19,941 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2024-12-02 10:09:19,943 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 [2024-12-02 10:09:19,954 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 10:09:19,954 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 10:09:19,955 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 10:09:19,955 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 10:09:19,958 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-12-02 10:09:19,958 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-12-02 10:09:19,963 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 10:09:19,971 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2024-12-02 10:09:19,971 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 10:09:19,971 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:09:19,973 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 10:09:19,976 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2024-12-02 10:09:19,976 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 [2024-12-02 10:09:19,988 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 10:09:19,988 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 10:09:19,988 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 10:09:19,988 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 10:09:19,991 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-12-02 10:09:19,991 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-12-02 10:09:19,995 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 10:09:20,001 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2024-12-02 10:09:20,001 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 10:09:20,001 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:09:20,003 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 10:09:20,004 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2024-12-02 10:09:20,005 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 [2024-12-02 10:09:20,019 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 10:09:20,019 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 10:09:20,019 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 10:09:20,019 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 10:09:20,022 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-12-02 10:09:20,022 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-12-02 10:09:20,026 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 10:09:20,034 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2024-12-02 10:09:20,035 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 10:09:20,035 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:09:20,036 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 10:09:20,037 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2024-12-02 10:09:20,038 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 [2024-12-02 10:09:20,052 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 10:09:20,052 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 10:09:20,052 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 10:09:20,052 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 10:09:20,054 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-12-02 10:09:20,054 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-12-02 10:09:20,059 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 10:09:20,068 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2024-12-02 10:09:20,068 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 10:09:20,068 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:09:20,070 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 10:09:20,071 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2024-12-02 10:09:20,073 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 [2024-12-02 10:09:20,086 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 10:09:20,086 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 10:09:20,086 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 10:09:20,086 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 10:09:20,089 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-12-02 10:09:20,089 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-12-02 10:09:20,092 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 10:09:20,097 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2024-12-02 10:09:20,098 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 10:09:20,098 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:09:20,100 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 10:09:20,101 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2024-12-02 10:09:20,102 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 [2024-12-02 10:09:20,113 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 10:09:20,113 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-12-02 10:09:20,113 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 10:09:20,113 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 10:09:20,113 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 10:09:20,114 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-12-02 10:09:20,114 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-12-02 10:09:20,115 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 10:09:20,124 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2024-12-02 10:09:20,124 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 10:09:20,124 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:09:20,126 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 10:09:20,127 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2024-12-02 10:09:20,128 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 [2024-12-02 10:09:20,139 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 10:09:20,139 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 10:09:20,139 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 10:09:20,139 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 10:09:20,141 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-12-02 10:09:20,141 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-12-02 10:09:20,145 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 10:09:20,151 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2024-12-02 10:09:20,151 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 10:09:20,151 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:09:20,153 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 10:09:20,154 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2024-12-02 10:09:20,155 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 [2024-12-02 10:09:20,169 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 10:09:20,169 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 10:09:20,169 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 10:09:20,170 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 10:09:20,172 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-12-02 10:09:20,172 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-12-02 10:09:20,175 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 10:09:20,181 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2024-12-02 10:09:20,182 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 10:09:20,182 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:09:20,184 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 10:09:20,185 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2024-12-02 10:09:20,186 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 [2024-12-02 10:09:20,197 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 10:09:20,197 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 10:09:20,197 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 10:09:20,197 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 10:09:20,206 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-12-02 10:09:20,206 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-12-02 10:09:20,222 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-12-02 10:09:20,245 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2024-12-02 10:09:20,247 INFO L444 ModelExtractionUtils]: 4 out of 16 variables were initially zero. Simplification set additionally 8 variables to zero. [2024-12-02 10:09:20,249 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 10:09:20,249 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:09:20,252 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 10:09:20,254 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2024-12-02 10:09:20,255 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-12-02 10:09:20,270 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-12-02 10:09:20,270 INFO L474 LassoAnalysis]: Proved termination. [2024-12-02 10:09:20,270 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_~#v~0#1.base)_1, ULTIMATE.start_main_~#v~0#1.offset, ULTIMATE.start_main_~j~0#1) = 1*v_rep(select #length ULTIMATE.start_main_~#v~0#1.base)_1 - 1*ULTIMATE.start_main_~#v~0#1.offset - 4*ULTIMATE.start_main_~j~0#1 Supporting invariants [] [2024-12-02 10:09:20,276 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2024-12-02 10:09:20,295 INFO L156 tatePredicateManager]: 5 out of 5 supporting invariants were superfluous and have been removed [2024-12-02 10:09:20,301 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#v~0!offset [2024-12-02 10:09:20,303 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-12-02 10:09:20,303 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-12-02 10:09:20,319 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:09:20,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:09:20,340 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 10:09:20,341 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 10:09:20,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:09:20,359 INFO L256 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-02 10:09:20,359 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 10:09:20,372 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 10:09:20,402 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2024-12-02 10:09:20,404 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 24 states, 23 states have (on average 1.4782608695652173) internal successors, (34), 23 states have internal predecessors, (34), 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 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 10:09:20,444 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 24 states, 23 states have (on average 1.4782608695652173) internal successors, (34), 23 states have internal predecessors, (34), 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 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 48 states and 67 transitions. Complement of second has 6 states. [2024-12-02 10:09:20,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-12-02 10:09:20,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 10:09:20,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 35 transitions. [2024-12-02 10:09:20,454 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 35 transitions. Stem has 3 letters. Loop has 2 letters. [2024-12-02 10:09:20,455 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-12-02 10:09:20,455 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 35 transitions. Stem has 5 letters. Loop has 2 letters. [2024-12-02 10:09:20,455 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-12-02 10:09:20,455 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 35 transitions. Stem has 3 letters. Loop has 4 letters. [2024-12-02 10:09:20,456 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-12-02 10:09:20,456 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 48 states and 67 transitions. [2024-12-02 10:09:20,458 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 13 [2024-12-02 10:09:20,460 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 48 states to 21 states and 29 transitions. [2024-12-02 10:09:20,461 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18 [2024-12-02 10:09:20,461 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 19 [2024-12-02 10:09:20,462 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 29 transitions. [2024-12-02 10:09:20,462 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-12-02 10:09:20,462 INFO L218 hiAutomatonCegarLoop]: Abstraction has 21 states and 29 transitions. [2024-12-02 10:09:20,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states and 29 transitions. [2024-12-02 10:09:20,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2024-12-02 10:09:20,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 21 states have (on average 1.380952380952381) internal successors, (29), 20 states have internal predecessors, (29), 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) [2024-12-02 10:09:20,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 29 transitions. [2024-12-02 10:09:20,482 INFO L240 hiAutomatonCegarLoop]: Abstraction has 21 states and 29 transitions. [2024-12-02 10:09:20,482 INFO L425 stractBuchiCegarLoop]: Abstraction has 21 states and 29 transitions. [2024-12-02 10:09:20,482 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-12-02 10:09:20,482 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 21 states and 29 transitions. [2024-12-02 10:09:20,483 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 13 [2024-12-02 10:09:20,483 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-12-02 10:09:20,483 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-12-02 10:09:20,483 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2024-12-02 10:09:20,483 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-12-02 10:09:20,483 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(21, 2);call #Ultimate.allocInit(12, 3);" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~post6#1, main_#t~mem7#1, main_#t~mem8#1, main_#t~short9#1, main_#t~mem10#1, main_#t~post11#1, main_#t~mem12#1, main_#t~mem13#1, main_#t~post14#1, main_~SIZE~0#1, main_~i~0#1, main_~j~0#1, main_~k~0#1, main_~key~0#1, main_~#v~0#1.base, main_~#v~0#1.offset;havoc main_#t~nondet4#1;main_~SIZE~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !((if main_~SIZE~0#1 % 4294967296 % 18446744073709551616 <= 9223372036854775807 then main_~SIZE~0#1 % 4294967296 % 18446744073709551616 else main_~SIZE~0#1 % 4294967296 % 18446744073709551616 - 18446744073709551616) >= 1000000000);havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~k~0#1;havoc main_~key~0#1;call main_~#v~0#1.base, main_~#v~0#1.offset := #Ultimate.allocOnStack(4 * main_~SIZE~0#1 % 4294967296);main_~j~0#1 := 0;" "assume !(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);" "main_~j~0#1 := 1;" [2024-12-02 10:09:20,483 INFO L749 eck$LassoCheckResult]: Loop: "assume main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296;" "call main_#t~mem7#1 := read~int#1(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);main_~key~0#1 := main_#t~mem7#1;havoc main_#t~mem7#1;main_~i~0#1 := main_~j~0#1 - 1;" "assume !true;" "call write~int#1(main_~key~0#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * (1 + main_~i~0#1), 4);main_#t~post11#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post11#1;havoc main_#t~post11#1;" [2024-12-02 10:09:20,484 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:09:20,484 INFO L85 PathProgramCache]: Analyzing trace with hash 28695946, now seen corresponding path program 1 times [2024-12-02 10:09:20,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 10:09:20,484 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1607737118] [2024-12-02 10:09:20,484 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:09:20,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:09:20,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 10:09:20,495 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 10:09:20,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 10:09:20,506 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 10:09:20,506 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:09:20,507 INFO L85 PathProgramCache]: Analyzing trace with hash 1759271, now seen corresponding path program 1 times [2024-12-02 10:09:20,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 10:09:20,507 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1663514276] [2024-12-02 10:09:20,507 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:09:20,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:09:20,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:09:20,539 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-12-02 10:09:20,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1663514276] [2024-12-02 10:09:20,539 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1663514276] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 10:09:20,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1506873026] [2024-12-02 10:09:20,539 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:09:20,540 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 10:09:20,540 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:09:20,541 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 10:09:20,542 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-12-02 10:09:20,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:09:20,572 INFO L256 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 10:09:20,573 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 10:09:20,573 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 10:09:20,575 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1506873026] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 10:09:20,575 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 10:09:20,575 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2, 2, 2] total 2 [2024-12-02 10:09:20,576 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [51439751] [2024-12-02 10:09:20,576 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 10:09:20,578 INFO L764 eck$LassoCheckResult]: loop already infeasible [2024-12-02 10:09:20,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-12-02 10:09:20,579 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 10:09:20,580 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 10:09:20,581 INFO L87 Difference]: Start difference. First operand 21 states and 29 transitions. cyclomatic complexity: 11 Second operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 10:09:20,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:09:20,585 INFO L93 Difference]: Finished difference Result 20 states and 25 transitions. [2024-12-02 10:09:20,585 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 25 transitions. [2024-12-02 10:09:20,586 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 11 [2024-12-02 10:09:20,586 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 19 states and 24 transitions. [2024-12-02 10:09:20,586 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2024-12-02 10:09:20,586 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2024-12-02 10:09:20,586 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 24 transitions. [2024-12-02 10:09:20,587 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-12-02 10:09:20,587 INFO L218 hiAutomatonCegarLoop]: Abstraction has 19 states and 24 transitions. [2024-12-02 10:09:20,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states and 24 transitions. [2024-12-02 10:09:20,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2024-12-02 10:09:20,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 19 states have (on average 1.263157894736842) internal successors, (24), 18 states have internal predecessors, (24), 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) [2024-12-02 10:09:20,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 24 transitions. [2024-12-02 10:09:20,588 INFO L240 hiAutomatonCegarLoop]: Abstraction has 19 states and 24 transitions. [2024-12-02 10:09:20,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 10:09:20,589 INFO L425 stractBuchiCegarLoop]: Abstraction has 19 states and 24 transitions. [2024-12-02 10:09:20,589 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-12-02 10:09:20,589 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 24 transitions. [2024-12-02 10:09:20,590 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 11 [2024-12-02 10:09:20,590 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-12-02 10:09:20,590 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-12-02 10:09:20,590 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2024-12-02 10:09:20,590 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2024-12-02 10:09:20,590 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(21, 2);call #Ultimate.allocInit(12, 3);" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~post6#1, main_#t~mem7#1, main_#t~mem8#1, main_#t~short9#1, main_#t~mem10#1, main_#t~post11#1, main_#t~mem12#1, main_#t~mem13#1, main_#t~post14#1, main_~SIZE~0#1, main_~i~0#1, main_~j~0#1, main_~k~0#1, main_~key~0#1, main_~#v~0#1.base, main_~#v~0#1.offset;havoc main_#t~nondet4#1;main_~SIZE~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !((if main_~SIZE~0#1 % 4294967296 % 18446744073709551616 <= 9223372036854775807 then main_~SIZE~0#1 % 4294967296 % 18446744073709551616 else main_~SIZE~0#1 % 4294967296 % 18446744073709551616 - 18446744073709551616) >= 1000000000);havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~k~0#1;havoc main_~key~0#1;call main_~#v~0#1.base, main_~#v~0#1.offset := #Ultimate.allocOnStack(4 * main_~SIZE~0#1 % 4294967296);main_~j~0#1 := 0;" "assume !(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);" "main_~j~0#1 := 1;" [2024-12-02 10:09:20,590 INFO L749 eck$LassoCheckResult]: Loop: "assume main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296;" "call main_#t~mem7#1 := read~int#1(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);main_~key~0#1 := main_#t~mem7#1;havoc main_#t~mem7#1;main_~i~0#1 := main_~j~0#1 - 1;" "main_#t~short9#1 := main_~i~0#1 >= 0;" "assume main_#t~short9#1;call main_#t~mem8#1 := read~int#1(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~i~0#1, 4);main_#t~short9#1 := main_#t~mem8#1 > main_~key~0#1;" "assume !main_#t~short9#1;havoc main_#t~mem8#1;havoc main_#t~short9#1;" "call write~int#1(main_~key~0#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * (1 + main_~i~0#1), 4);main_#t~post11#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post11#1;havoc main_#t~post11#1;" [2024-12-02 10:09:20,591 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:09:20,591 INFO L85 PathProgramCache]: Analyzing trace with hash 28695946, now seen corresponding path program 2 times [2024-12-02 10:09:20,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 10:09:20,591 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [51899489] [2024-12-02 10:09:20,591 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:09:20,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:09:20,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 10:09:20,601 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 10:09:20,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 10:09:20,611 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 10:09:20,611 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:09:20,611 INFO L85 PathProgramCache]: Analyzing trace with hash 1690200590, now seen corresponding path program 1 times [2024-12-02 10:09:20,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 10:09:20,611 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1735824140] [2024-12-02 10:09:20,611 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:09:20,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:09:20,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 10:09:20,624 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 10:09:20,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 10:09:20,634 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 10:09:20,634 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:09:20,635 INFO L85 PathProgramCache]: Analyzing trace with hash -1693434665, now seen corresponding path program 1 times [2024-12-02 10:09:20,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 10:09:20,635 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1074239984] [2024-12-02 10:09:20,635 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:09:20,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:09:20,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:09:20,804 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-12-02 10:09:20,804 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1074239984] [2024-12-02 10:09:20,804 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1074239984] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 10:09:20,804 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2073686113] [2024-12-02 10:09:20,804 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:09:20,805 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 10:09:20,805 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:09:20,807 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 10:09:20,809 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-12-02 10:09:20,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:09:20,857 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-02 10:09:20,858 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 10:09:20,877 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 10:09:20,915 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2073686113] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 10:09:20,915 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 10:09:20,915 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 6 [2024-12-02 10:09:20,915 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [680262345] [2024-12-02 10:09:20,916 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 10:09:21,059 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-12-02 10:09:21,060 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 10:09:21,060 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-12-02 10:09:21,060 INFO L87 Difference]: Start difference. First operand 19 states and 24 transitions. cyclomatic complexity: 8 Second operand has 6 states, 6 states have (on average 2.5) internal successors, (15), 6 states have internal predecessors, (15), 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) [2024-12-02 10:09:21,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:09:21,103 INFO L93 Difference]: Finished difference Result 24 states and 28 transitions. [2024-12-02 10:09:21,103 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 28 transitions. [2024-12-02 10:09:21,103 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 11 [2024-12-02 10:09:21,104 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 20 states and 24 transitions. [2024-12-02 10:09:21,104 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2024-12-02 10:09:21,104 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2024-12-02 10:09:21,104 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 24 transitions. [2024-12-02 10:09:21,104 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-12-02 10:09:21,104 INFO L218 hiAutomatonCegarLoop]: Abstraction has 20 states and 24 transitions. [2024-12-02 10:09:21,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 24 transitions. [2024-12-02 10:09:21,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 19. [2024-12-02 10:09:21,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 19 states have (on average 1.2105263157894737) internal successors, (23), 18 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) [2024-12-02 10:09:21,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 23 transitions. [2024-12-02 10:09:21,106 INFO L240 hiAutomatonCegarLoop]: Abstraction has 19 states and 23 transitions. [2024-12-02 10:09:21,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 10:09:21,107 INFO L425 stractBuchiCegarLoop]: Abstraction has 19 states and 23 transitions. [2024-12-02 10:09:21,107 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-12-02 10:09:21,108 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 23 transitions. [2024-12-02 10:09:21,108 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 11 [2024-12-02 10:09:21,108 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-12-02 10:09:21,108 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-12-02 10:09:21,108 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:09:21,109 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2024-12-02 10:09:21,109 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(21, 2);call #Ultimate.allocInit(12, 3);" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~post6#1, main_#t~mem7#1, main_#t~mem8#1, main_#t~short9#1, main_#t~mem10#1, main_#t~post11#1, main_#t~mem12#1, main_#t~mem13#1, main_#t~post14#1, main_~SIZE~0#1, main_~i~0#1, main_~j~0#1, main_~k~0#1, main_~key~0#1, main_~#v~0#1.base, main_~#v~0#1.offset;havoc main_#t~nondet4#1;main_~SIZE~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !((if main_~SIZE~0#1 % 4294967296 % 18446744073709551616 <= 9223372036854775807 then main_~SIZE~0#1 % 4294967296 % 18446744073709551616 else main_~SIZE~0#1 % 4294967296 % 18446744073709551616 - 18446744073709551616) >= 1000000000);havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~k~0#1;havoc main_~key~0#1;call main_~#v~0#1.base, main_~#v~0#1.offset := #Ultimate.allocOnStack(4 * main_~SIZE~0#1 % 4294967296);main_~j~0#1 := 0;" "assume main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296;" "havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1;" "assume !(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);" "main_~j~0#1 := 1;" [2024-12-02 10:09:21,109 INFO L749 eck$LassoCheckResult]: Loop: "assume main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296;" "call main_#t~mem7#1 := read~int#1(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);main_~key~0#1 := main_#t~mem7#1;havoc main_#t~mem7#1;main_~i~0#1 := main_~j~0#1 - 1;" "main_#t~short9#1 := main_~i~0#1 >= 0;" "assume main_#t~short9#1;call main_#t~mem8#1 := read~int#1(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~i~0#1, 4);main_#t~short9#1 := main_#t~mem8#1 > main_~key~0#1;" "assume !main_#t~short9#1;havoc main_#t~mem8#1;havoc main_#t~short9#1;" "call write~int#1(main_~key~0#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * (1 + main_~i~0#1), 4);main_#t~post11#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post11#1;havoc main_#t~post11#1;" [2024-12-02 10:09:21,109 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:09:21,109 INFO L85 PathProgramCache]: Analyzing trace with hash 1806937390, now seen corresponding path program 1 times [2024-12-02 10:09:21,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 10:09:21,109 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [565197077] [2024-12-02 10:09:21,109 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:09:21,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:09:21,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 10:09:21,133 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 10:09:21,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 10:09:21,143 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 10:09:21,143 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:09:21,144 INFO L85 PathProgramCache]: Analyzing trace with hash 1690200590, now seen corresponding path program 2 times [2024-12-02 10:09:21,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 10:09:21,144 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1918782990] [2024-12-02 10:09:21,144 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:09:21,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:09:21,152 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Ended with exit code 0 [2024-12-02 10:09:21,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 10:09:21,153 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 10:09:21,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 10:09:21,160 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 10:09:21,161 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:09:21,161 INFO L85 PathProgramCache]: Analyzing trace with hash -525024901, now seen corresponding path program 1 times [2024-12-02 10:09:21,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 10:09:21,161 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [79255287] [2024-12-02 10:09:21,161 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:09:21,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:09:21,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:09:21,330 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-12-02 10:09:21,331 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [79255287] [2024-12-02 10:09:21,331 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [79255287] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 10:09:21,331 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [817876072] [2024-12-02 10:09:21,331 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:09:21,331 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 10:09:21,331 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:09:21,333 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 10:09:21,334 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-12-02 10:09:21,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:09:21,381 INFO L256 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-02 10:09:21,382 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 10:09:21,426 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 10:09:21,580 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [817876072] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 10:09:21,580 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 10:09:21,580 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 10 [2024-12-02 10:09:21,580 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1690770322] [2024-12-02 10:09:21,580 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 10:09:21,715 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-12-02 10:09:21,715 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-12-02 10:09:21,715 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-12-02 10:09:21,716 INFO L87 Difference]: Start difference. First operand 19 states and 23 transitions. cyclomatic complexity: 7 Second operand has 10 states, 10 states have (on average 2.1) internal successors, (21), 10 states have internal predecessors, (21), 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) [2024-12-02 10:09:21,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:09:21,828 INFO L93 Difference]: Finished difference Result 36 states and 44 transitions. [2024-12-02 10:09:21,828 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 36 states and 44 transitions. [2024-12-02 10:09:21,829 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 19 [2024-12-02 10:09:21,830 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 36 states to 36 states and 44 transitions. [2024-12-02 10:09:21,830 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 31 [2024-12-02 10:09:21,830 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 31 [2024-12-02 10:09:21,830 INFO L73 IsDeterministic]: Start isDeterministic. Operand 36 states and 44 transitions. [2024-12-02 10:09:21,830 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-12-02 10:09:21,830 INFO L218 hiAutomatonCegarLoop]: Abstraction has 36 states and 44 transitions. [2024-12-02 10:09:21,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states and 44 transitions. [2024-12-02 10:09:21,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 23. [2024-12-02 10:09:21,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 23 states have (on average 1.2173913043478262) internal successors, (28), 22 states have internal predecessors, (28), 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) [2024-12-02 10:09:21,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 28 transitions. [2024-12-02 10:09:21,832 INFO L240 hiAutomatonCegarLoop]: Abstraction has 23 states and 28 transitions. [2024-12-02 10:09:21,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 10:09:21,834 INFO L425 stractBuchiCegarLoop]: Abstraction has 23 states and 28 transitions. [2024-12-02 10:09:21,834 INFO L332 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2024-12-02 10:09:21,834 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 23 states and 28 transitions. [2024-12-02 10:09:21,834 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 11 [2024-12-02 10:09:21,834 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-12-02 10:09:21,834 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-12-02 10:09:21,835 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1] [2024-12-02 10:09:21,835 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2024-12-02 10:09:21,835 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(21, 2);call #Ultimate.allocInit(12, 3);" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~post6#1, main_#t~mem7#1, main_#t~mem8#1, main_#t~short9#1, main_#t~mem10#1, main_#t~post11#1, main_#t~mem12#1, main_#t~mem13#1, main_#t~post14#1, main_~SIZE~0#1, main_~i~0#1, main_~j~0#1, main_~k~0#1, main_~key~0#1, main_~#v~0#1.base, main_~#v~0#1.offset;havoc main_#t~nondet4#1;main_~SIZE~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !((if main_~SIZE~0#1 % 4294967296 % 18446744073709551616 <= 9223372036854775807 then main_~SIZE~0#1 % 4294967296 % 18446744073709551616 else main_~SIZE~0#1 % 4294967296 % 18446744073709551616 - 18446744073709551616) >= 1000000000);havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~k~0#1;havoc main_~key~0#1;call main_~#v~0#1.base, main_~#v~0#1.offset := #Ultimate.allocOnStack(4 * main_~SIZE~0#1 % 4294967296);main_~j~0#1 := 0;" "assume main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296;" "havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1;" "assume main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296;" "havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1;" "assume !(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);" "main_~j~0#1 := 1;" [2024-12-02 10:09:21,835 INFO L749 eck$LassoCheckResult]: Loop: "assume main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296;" "call main_#t~mem7#1 := read~int#1(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);main_~key~0#1 := main_#t~mem7#1;havoc main_#t~mem7#1;main_~i~0#1 := main_~j~0#1 - 1;" "main_#t~short9#1 := main_~i~0#1 >= 0;" "assume main_#t~short9#1;call main_#t~mem8#1 := read~int#1(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~i~0#1, 4);main_#t~short9#1 := main_#t~mem8#1 > main_~key~0#1;" "assume !main_#t~short9#1;havoc main_#t~mem8#1;havoc main_#t~short9#1;" "call write~int#1(main_~key~0#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * (1 + main_~i~0#1), 4);main_#t~post11#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post11#1;havoc main_#t~post11#1;" [2024-12-02 10:09:21,835 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:09:21,835 INFO L85 PathProgramCache]: Analyzing trace with hash 1299981266, now seen corresponding path program 2 times [2024-12-02 10:09:21,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 10:09:21,836 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1274352568] [2024-12-02 10:09:21,836 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:09:21,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:09:21,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 10:09:21,851 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 10:09:21,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 10:09:21,863 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 10:09:21,864 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:09:21,864 INFO L85 PathProgramCache]: Analyzing trace with hash 1690200590, now seen corresponding path program 3 times [2024-12-02 10:09:21,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 10:09:21,864 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2140157621] [2024-12-02 10:09:21,864 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:09:21,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:09:21,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 10:09:21,872 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 10:09:21,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 10:09:21,880 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 10:09:21,880 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:09:21,880 INFO L85 PathProgramCache]: Analyzing trace with hash 1330294047, now seen corresponding path program 2 times [2024-12-02 10:09:21,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 10:09:21,881 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1079776847] [2024-12-02 10:09:21,881 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:09:21,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:09:21,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 10:09:21,901 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 10:09:21,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 10:09:21,916 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 10:09:22,336 INFO L204 LassoAnalysis]: Preferences: [2024-12-02 10:09:22,336 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-12-02 10:09:22,336 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-12-02 10:09:22,336 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-12-02 10:09:22,336 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-12-02 10:09:22,336 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 10:09:22,336 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-12-02 10:09:22,336 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-12-02 10:09:22,336 INFO L132 ssoRankerPreferences]: Filename of dumped script: insertion_sort-2-2.c_Iteration5_Lasso [2024-12-02 10:09:22,336 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-12-02 10:09:22,336 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-12-02 10:09:22,338 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 10:09:22,341 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 10:09:22,342 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 10:09:22,344 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 10:09:22,626 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 10:09:22,628 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 10:09:22,630 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 10:09:22,632 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 10:09:22,641 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 10:09:22,643 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 10:09:22,644 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 10:09:22,646 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 10:09:22,648 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 10:09:22,650 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 10:09:22,652 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 10:09:22,654 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 10:09:22,655 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 10:09:22,949 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-12-02 10:09:22,949 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-12-02 10:09:22,949 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 10:09:22,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:09:22,951 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 10:09:22,951 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2024-12-02 10:09:22,953 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 [2024-12-02 10:09:22,964 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 10:09:22,964 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-12-02 10:09:22,964 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 10:09:22,964 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 10:09:22,964 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 10:09:22,965 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-12-02 10:09:22,965 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-12-02 10:09:22,966 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 10:09:22,974 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2024-12-02 10:09:22,974 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 10:09:22,974 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:09:22,976 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 10:09:22,976 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2024-12-02 10:09:22,978 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 [2024-12-02 10:09:22,989 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 10:09:22,989 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-12-02 10:09:22,989 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 10:09:22,989 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 10:09:22,989 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 10:09:22,990 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-12-02 10:09:22,990 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-12-02 10:09:22,991 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 10:09:22,998 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2024-12-02 10:09:22,998 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 10:09:22,998 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:09:23,000 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 10:09:23,000 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2024-12-02 10:09:23,002 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 [2024-12-02 10:09:23,012 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 10:09:23,012 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-12-02 10:09:23,013 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 10:09:23,013 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 10:09:23,013 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 10:09:23,013 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-12-02 10:09:23,013 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-12-02 10:09:23,014 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 10:09:23,019 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2024-12-02 10:09:23,019 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 10:09:23,019 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:09:23,021 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 10:09:23,021 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2024-12-02 10:09:23,023 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 [2024-12-02 10:09:23,034 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 10:09:23,034 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 10:09:23,034 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 10:09:23,034 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 10:09:23,036 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-12-02 10:09:23,036 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-12-02 10:09:23,040 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 10:09:23,045 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2024-12-02 10:09:23,045 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 10:09:23,045 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:09:23,047 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 10:09:23,048 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2024-12-02 10:09:23,049 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 [2024-12-02 10:09:23,060 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 10:09:23,060 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 10:09:23,060 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 10:09:23,060 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 10:09:23,062 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-12-02 10:09:23,062 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-12-02 10:09:23,066 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 10:09:23,072 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2024-12-02 10:09:23,072 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 10:09:23,072 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:09:23,074 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 10:09:23,075 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2024-12-02 10:09:23,077 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 [2024-12-02 10:09:23,088 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 10:09:23,088 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 10:09:23,088 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 10:09:23,088 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 10:09:23,089 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-12-02 10:09:23,089 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-12-02 10:09:23,093 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 10:09:23,098 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2024-12-02 10:09:23,098 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 10:09:23,098 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:09:23,099 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 10:09:23,100 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2024-12-02 10:09:23,101 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 [2024-12-02 10:09:23,113 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 10:09:23,113 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 10:09:23,113 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 10:09:23,113 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 10:09:23,115 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-12-02 10:09:23,115 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-12-02 10:09:23,118 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 10:09:23,123 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2024-12-02 10:09:23,124 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 10:09:23,124 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:09:23,125 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 10:09:23,126 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2024-12-02 10:09:23,128 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 [2024-12-02 10:09:23,139 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 10:09:23,139 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 10:09:23,139 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 10:09:23,139 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 10:09:23,141 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-12-02 10:09:23,141 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-12-02 10:09:23,145 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 10:09:23,151 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2024-12-02 10:09:23,152 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 10:09:23,152 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:09:23,153 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 10:09:23,155 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2024-12-02 10:09:23,156 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 [2024-12-02 10:09:23,167 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 10:09:23,167 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 10:09:23,167 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 10:09:23,167 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 10:09:23,169 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-12-02 10:09:23,169 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-12-02 10:09:23,173 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 10:09:23,181 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2024-12-02 10:09:23,181 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 10:09:23,181 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:09:23,183 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 10:09:23,184 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2024-12-02 10:09:23,186 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 [2024-12-02 10:09:23,200 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 10:09:23,200 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 10:09:23,200 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 10:09:23,200 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 10:09:23,206 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-12-02 10:09:23,206 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-12-02 10:09:23,220 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-12-02 10:09:23,243 INFO L443 ModelExtractionUtils]: Simplification made 14 calls to the SMT solver. [2024-12-02 10:09:23,243 INFO L444 ModelExtractionUtils]: 6 out of 16 variables were initially zero. Simplification set additionally 6 variables to zero. [2024-12-02 10:09:23,243 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 10:09:23,243 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:09:23,245 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 10:09:23,246 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2024-12-02 10:09:23,247 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-12-02 10:09:23,259 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2024-12-02 10:09:23,259 INFO L474 LassoAnalysis]: Proved termination. [2024-12-02 10:09:23,259 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~j~0#1, v_rep(select #length ULTIMATE.start_main_~#v~0#1.base)_2) = -2*ULTIMATE.start_main_~j~0#1 + 1*v_rep(select #length ULTIMATE.start_main_~#v~0#1.base)_2 Supporting invariants [1*ULTIMATE.start_main_~#v~0#1.offset >= 0] [2024-12-02 10:09:23,265 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2024-12-02 10:09:23,283 INFO L156 tatePredicateManager]: 6 out of 7 supporting invariants were superfluous and have been removed [2024-12-02 10:09:23,285 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-12-02 10:09:23,285 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-12-02 10:09:23,299 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:09:23,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:09:23,312 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 10:09:23,313 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 10:09:23,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:09:23,367 INFO L256 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-02 10:09:23,368 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 10:09:23,437 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2024-12-02 10:09:23,470 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 10:09:23,471 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 4 loop predicates [2024-12-02 10:09:23,471 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 23 states and 28 transitions. cyclomatic complexity: 8 Second operand has 7 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 7 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) [2024-12-02 10:09:23,606 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 23 states and 28 transitions. cyclomatic complexity: 8. Second operand has 7 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 7 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) Result 38 states and 50 transitions. Complement of second has 12 states. [2024-12-02 10:09:23,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 2 stem states 4 non-accepting loop states 1 accepting loop states [2024-12-02 10:09:23,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 7 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) [2024-12-02 10:09:23,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 22 transitions. [2024-12-02 10:09:23,608 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 22 transitions. Stem has 9 letters. Loop has 6 letters. [2024-12-02 10:09:23,608 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-12-02 10:09:23,608 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 22 transitions. Stem has 15 letters. Loop has 6 letters. [2024-12-02 10:09:23,608 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-12-02 10:09:23,608 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 22 transitions. Stem has 9 letters. Loop has 12 letters. [2024-12-02 10:09:23,609 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-12-02 10:09:23,609 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 38 states and 50 transitions. [2024-12-02 10:09:23,610 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2024-12-02 10:09:23,610 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 38 states to 36 states and 48 transitions. [2024-12-02 10:09:23,610 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 19 [2024-12-02 10:09:23,610 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 21 [2024-12-02 10:09:23,610 INFO L73 IsDeterministic]: Start isDeterministic. Operand 36 states and 48 transitions. [2024-12-02 10:09:23,610 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-12-02 10:09:23,610 INFO L218 hiAutomatonCegarLoop]: Abstraction has 36 states and 48 transitions. [2024-12-02 10:09:23,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states and 48 transitions. [2024-12-02 10:09:23,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 29. [2024-12-02 10:09:23,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 29 states have (on average 1.3103448275862069) internal successors, (38), 28 states have internal predecessors, (38), 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) [2024-12-02 10:09:23,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 38 transitions. [2024-12-02 10:09:23,613 INFO L240 hiAutomatonCegarLoop]: Abstraction has 29 states and 38 transitions. [2024-12-02 10:09:23,613 INFO L425 stractBuchiCegarLoop]: Abstraction has 29 states and 38 transitions. [2024-12-02 10:09:23,613 INFO L332 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2024-12-02 10:09:23,613 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 29 states and 38 transitions. [2024-12-02 10:09:23,613 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2024-12-02 10:09:23,613 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-12-02 10:09:23,613 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-12-02 10:09:23,614 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:09:23,614 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-12-02 10:09:23,614 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(21, 2);call #Ultimate.allocInit(12, 3);" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~post6#1, main_#t~mem7#1, main_#t~mem8#1, main_#t~short9#1, main_#t~mem10#1, main_#t~post11#1, main_#t~mem12#1, main_#t~mem13#1, main_#t~post14#1, main_~SIZE~0#1, main_~i~0#1, main_~j~0#1, main_~k~0#1, main_~key~0#1, main_~#v~0#1.base, main_~#v~0#1.offset;havoc main_#t~nondet4#1;main_~SIZE~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !((if main_~SIZE~0#1 % 4294967296 % 18446744073709551616 <= 9223372036854775807 then main_~SIZE~0#1 % 4294967296 % 18446744073709551616 else main_~SIZE~0#1 % 4294967296 % 18446744073709551616 - 18446744073709551616) >= 1000000000);havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~k~0#1;havoc main_~key~0#1;call main_~#v~0#1.base, main_~#v~0#1.offset := #Ultimate.allocOnStack(4 * main_~SIZE~0#1 % 4294967296);main_~j~0#1 := 0;" "assume main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296;" "havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1;" "assume !(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);" "main_~j~0#1 := 1;" "assume !(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);" "main_~k~0#1 := 1;" [2024-12-02 10:09:23,614 INFO L749 eck$LassoCheckResult]: Loop: "assume main_~k~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296;" "call main_#t~mem12#1 := read~int#1(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * (main_~k~0#1 - 1), 4);call main_#t~mem13#1 := read~int#1(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~k~0#1, 4);assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_#t~mem12#1 <= main_#t~mem13#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1;" "assume !(0 == __VERIFIER_assert_~cond#1);" "havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;main_#t~post14#1 := main_~k~0#1;main_~k~0#1 := 1 + main_#t~post14#1;havoc main_#t~post14#1;" [2024-12-02 10:09:23,615 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:09:23,615 INFO L85 PathProgramCache]: Analyzing trace with hash 1300045161, now seen corresponding path program 1 times [2024-12-02 10:09:23,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 10:09:23,615 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1530590295] [2024-12-02 10:09:23,615 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:09:23,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:09:23,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 10:09:23,624 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 10:09:23,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 10:09:23,632 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 10:09:23,632 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:09:23,632 INFO L85 PathProgramCache]: Analyzing trace with hash 2836392, now seen corresponding path program 1 times [2024-12-02 10:09:23,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 10:09:23,632 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [300388171] [2024-12-02 10:09:23,632 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:09:23,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:09:23,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 10:09:23,639 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 10:09:23,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 10:09:23,645 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 10:09:23,646 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:09:23,646 INFO L85 PathProgramCache]: Analyzing trace with hash -443846384, now seen corresponding path program 1 times [2024-12-02 10:09:23,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 10:09:23,646 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1883685177] [2024-12-02 10:09:23,646 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:09:23,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:09:23,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:09:23,791 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-12-02 10:09:23,792 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1883685177] [2024-12-02 10:09:23,792 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1883685177] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 10:09:23,792 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [741464853] [2024-12-02 10:09:23,792 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:09:23,792 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 10:09:23,792 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:09:23,794 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 10:09:23,795 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2024-12-02 10:09:23,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:09:23,841 INFO L256 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-02 10:09:23,842 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 10:09:23,871 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 10:09:23,982 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [741464853] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 10:09:23,982 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 10:09:23,982 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 10 [2024-12-02 10:09:23,982 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2085950408] [2024-12-02 10:09:23,982 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 10:09:24,054 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-12-02 10:09:24,054 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-12-02 10:09:24,054 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-12-02 10:09:24,054 INFO L87 Difference]: Start difference. First operand 29 states and 38 transitions. cyclomatic complexity: 13 Second operand has 10 states, 10 states have (on average 2.3) internal successors, (23), 10 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) [2024-12-02 10:09:24,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:09:24,117 INFO L93 Difference]: Finished difference Result 43 states and 54 transitions. [2024-12-02 10:09:24,117 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 43 states and 54 transitions. [2024-12-02 10:09:24,118 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 12 [2024-12-02 10:09:24,119 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 43 states to 39 states and 49 transitions. [2024-12-02 10:09:24,119 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 21 [2024-12-02 10:09:24,119 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 21 [2024-12-02 10:09:24,119 INFO L73 IsDeterministic]: Start isDeterministic. Operand 39 states and 49 transitions. [2024-12-02 10:09:24,119 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-12-02 10:09:24,119 INFO L218 hiAutomatonCegarLoop]: Abstraction has 39 states and 49 transitions. [2024-12-02 10:09:24,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states and 49 transitions. [2024-12-02 10:09:24,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 27. [2024-12-02 10:09:24,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 27 states have (on average 1.2592592592592593) internal successors, (34), 26 states have internal predecessors, (34), 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) [2024-12-02 10:09:24,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 34 transitions. [2024-12-02 10:09:24,121 INFO L240 hiAutomatonCegarLoop]: Abstraction has 27 states and 34 transitions. [2024-12-02 10:09:24,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 10:09:24,122 INFO L425 stractBuchiCegarLoop]: Abstraction has 27 states and 34 transitions. [2024-12-02 10:09:24,122 INFO L332 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2024-12-02 10:09:24,122 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 27 states and 34 transitions. [2024-12-02 10:09:24,123 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2024-12-02 10:09:24,123 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-12-02 10:09:24,123 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-12-02 10:09:24,123 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:09:24,123 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-12-02 10:09:24,124 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(21, 2);call #Ultimate.allocInit(12, 3);" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~post6#1, main_#t~mem7#1, main_#t~mem8#1, main_#t~short9#1, main_#t~mem10#1, main_#t~post11#1, main_#t~mem12#1, main_#t~mem13#1, main_#t~post14#1, main_~SIZE~0#1, main_~i~0#1, main_~j~0#1, main_~k~0#1, main_~key~0#1, main_~#v~0#1.base, main_~#v~0#1.offset;havoc main_#t~nondet4#1;main_~SIZE~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !((if main_~SIZE~0#1 % 4294967296 % 18446744073709551616 <= 9223372036854775807 then main_~SIZE~0#1 % 4294967296 % 18446744073709551616 else main_~SIZE~0#1 % 4294967296 % 18446744073709551616 - 18446744073709551616) >= 1000000000);havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~k~0#1;havoc main_~key~0#1;call main_~#v~0#1.base, main_~#v~0#1.offset := #Ultimate.allocOnStack(4 * main_~SIZE~0#1 % 4294967296);main_~j~0#1 := 0;" "assume main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296;" "havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1;" "assume main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296;" "havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1;" "assume !(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);" "main_~j~0#1 := 1;" "assume main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296;" "call main_#t~mem7#1 := read~int#1(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);main_~key~0#1 := main_#t~mem7#1;havoc main_#t~mem7#1;main_~i~0#1 := main_~j~0#1 - 1;" [2024-12-02 10:09:24,124 INFO L749 eck$LassoCheckResult]: Loop: "main_#t~short9#1 := main_~i~0#1 >= 0;" "assume main_#t~short9#1;call main_#t~mem8#1 := read~int#1(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~i~0#1, 4);main_#t~short9#1 := main_#t~mem8#1 > main_~key~0#1;" "assume main_#t~short9#1;havoc main_#t~mem8#1;havoc main_#t~short9#1;" "call main_#t~mem10#1 := read~int#1(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~i~0#1, 4);call write~int#1(main_#t~mem10#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * (1 + main_~i~0#1), 4);havoc main_#t~mem10#1;main_~i~0#1 := main_~i~0#1 - 1;" [2024-12-02 10:09:24,124 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:09:24,124 INFO L85 PathProgramCache]: Analyzing trace with hash -553485642, now seen corresponding path program 1 times [2024-12-02 10:09:24,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 10:09:24,124 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1444244662] [2024-12-02 10:09:24,124 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:09:24,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:09:24,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 10:09:24,141 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 10:09:24,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 10:09:24,154 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 10:09:24,155 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:09:24,155 INFO L85 PathProgramCache]: Analyzing trace with hash 2004136, now seen corresponding path program 1 times [2024-12-02 10:09:24,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 10:09:24,155 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [47593561] [2024-12-02 10:09:24,155 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:09:24,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:09:24,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 10:09:24,160 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 10:09:24,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 10:09:24,165 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 10:09:24,165 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:09:24,165 INFO L85 PathProgramCache]: Analyzing trace with hash 1330293981, now seen corresponding path program 1 times [2024-12-02 10:09:24,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 10:09:24,166 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2084878395] [2024-12-02 10:09:24,166 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:09:24,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:09:24,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 10:09:24,181 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 10:09:24,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 10:09:24,194 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 10:09:24,644 INFO L204 LassoAnalysis]: Preferences: [2024-12-02 10:09:24,644 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-12-02 10:09:24,644 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-12-02 10:09:24,644 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-12-02 10:09:24,644 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-12-02 10:09:24,644 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 10:09:24,644 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-12-02 10:09:24,644 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-12-02 10:09:24,644 INFO L132 ssoRankerPreferences]: Filename of dumped script: insertion_sort-2-2.c_Iteration7_Lasso [2024-12-02 10:09:24,644 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-12-02 10:09:24,644 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-12-02 10:09:24,646 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 10:09:24,926 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 10:09:24,928 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 10:09:24,930 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 10:09:24,938 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 10:09:24,940 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 10:09:24,942 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 10:09:24,944 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 10:09:24,946 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 10:09:24,948 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 10:09:24,950 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 10:09:24,951 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 10:09:24,953 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 10:09:24,955 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 10:09:24,957 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 10:09:24,959 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 10:09:25,201 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-12-02 10:09:25,201 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-12-02 10:09:25,201 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 10:09:25,202 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:09:25,203 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 10:09:25,204 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2024-12-02 10:09:25,206 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 [2024-12-02 10:09:25,216 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 10:09:25,216 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 10:09:25,216 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 10:09:25,216 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 10:09:25,218 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-12-02 10:09:25,218 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-12-02 10:09:25,221 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 10:09:25,226 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2024-12-02 10:09:25,226 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 10:09:25,226 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:09:25,228 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 10:09:25,229 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2024-12-02 10:09:25,230 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 [2024-12-02 10:09:25,241 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 10:09:25,241 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 10:09:25,241 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 10:09:25,241 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 10:09:25,243 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-12-02 10:09:25,243 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-12-02 10:09:25,245 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 10:09:25,250 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2024-12-02 10:09:25,251 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 10:09:25,251 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:09:25,252 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 10:09:25,253 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2024-12-02 10:09:25,255 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 [2024-12-02 10:09:25,266 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 10:09:25,266 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 10:09:25,266 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 10:09:25,266 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 10:09:25,267 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-12-02 10:09:25,267 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-12-02 10:09:25,270 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 10:09:25,275 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2024-12-02 10:09:25,276 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 10:09:25,276 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:09:25,277 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 10:09:25,278 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2024-12-02 10:09:25,279 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 [2024-12-02 10:09:25,290 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 10:09:25,290 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 10:09:25,290 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 10:09:25,290 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 10:09:25,291 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-12-02 10:09:25,291 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-12-02 10:09:25,295 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 10:09:25,303 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2024-12-02 10:09:25,303 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 10:09:25,303 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:09:25,304 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 10:09:25,305 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2024-12-02 10:09:25,307 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 [2024-12-02 10:09:25,318 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 10:09:25,318 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 10:09:25,318 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 10:09:25,318 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 10:09:25,319 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-12-02 10:09:25,319 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-12-02 10:09:25,323 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 10:09:25,331 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2024-12-02 10:09:25,331 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 10:09:25,331 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:09:25,332 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 10:09:25,333 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2024-12-02 10:09:25,335 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 [2024-12-02 10:09:25,346 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 10:09:25,346 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 10:09:25,346 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 10:09:25,346 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 10:09:25,349 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-12-02 10:09:25,349 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-12-02 10:09:25,358 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-12-02 10:09:25,376 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2024-12-02 10:09:25,376 INFO L444 ModelExtractionUtils]: 3 out of 16 variables were initially zero. Simplification set additionally 10 variables to zero. [2024-12-02 10:09:25,376 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 10:09:25,376 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:09:25,378 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 10:09:25,379 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2024-12-02 10:09:25,379 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-12-02 10:09:25,391 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-12-02 10:09:25,391 INFO L474 LassoAnalysis]: Proved termination. [2024-12-02 10:09:25,391 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1) = 2*ULTIMATE.start_main_~i~0#1 + 1 Supporting invariants [] [2024-12-02 10:09:25,397 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2024-12-02 10:09:25,407 INFO L156 tatePredicateManager]: 5 out of 5 supporting invariants were superfluous and have been removed [2024-12-02 10:09:25,416 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:09:25,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:09:25,431 INFO L256 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 10:09:25,431 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 10:09:25,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:09:25,449 INFO L256 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-02 10:09:25,450 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 10:09:25,486 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 10:09:25,486 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2024-12-02 10:09:25,486 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 27 states and 34 transitions. cyclomatic complexity: 11 Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 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) [2024-12-02 10:09:25,522 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 27 states and 34 transitions. cyclomatic complexity: 11. Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 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) Result 52 states and 66 transitions. Complement of second has 9 states. [2024-12-02 10:09:25,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2024-12-02 10:09:25,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 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) [2024-12-02 10:09:25,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 17 transitions. [2024-12-02 10:09:25,524 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 17 transitions. Stem has 11 letters. Loop has 4 letters. [2024-12-02 10:09:25,524 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-12-02 10:09:25,524 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 17 transitions. Stem has 15 letters. Loop has 4 letters. [2024-12-02 10:09:25,524 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-12-02 10:09:25,524 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 17 transitions. Stem has 11 letters. Loop has 8 letters. [2024-12-02 10:09:25,524 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-12-02 10:09:25,524 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 52 states and 66 transitions. [2024-12-02 10:09:25,525 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2024-12-02 10:09:25,525 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 52 states to 38 states and 47 transitions. [2024-12-02 10:09:25,525 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2024-12-02 10:09:25,525 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 [2024-12-02 10:09:25,525 INFO L73 IsDeterministic]: Start isDeterministic. Operand 38 states and 47 transitions. [2024-12-02 10:09:25,525 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-12-02 10:09:25,525 INFO L218 hiAutomatonCegarLoop]: Abstraction has 38 states and 47 transitions. [2024-12-02 10:09:25,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states and 47 transitions. [2024-12-02 10:09:25,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 34. [2024-12-02 10:09:25,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 34 states have (on average 1.2647058823529411) internal successors, (43), 33 states have internal predecessors, (43), 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) [2024-12-02 10:09:25,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 43 transitions. [2024-12-02 10:09:25,527 INFO L240 hiAutomatonCegarLoop]: Abstraction has 34 states and 43 transitions. [2024-12-02 10:09:25,527 INFO L425 stractBuchiCegarLoop]: Abstraction has 34 states and 43 transitions. [2024-12-02 10:09:25,528 INFO L332 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2024-12-02 10:09:25,528 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 34 states and 43 transitions. [2024-12-02 10:09:25,528 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2024-12-02 10:09:25,528 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-12-02 10:09:25,528 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-12-02 10:09:25,529 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:09:25,529 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-12-02 10:09:25,529 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(21, 2);call #Ultimate.allocInit(12, 3);" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~post6#1, main_#t~mem7#1, main_#t~mem8#1, main_#t~short9#1, main_#t~mem10#1, main_#t~post11#1, main_#t~mem12#1, main_#t~mem13#1, main_#t~post14#1, main_~SIZE~0#1, main_~i~0#1, main_~j~0#1, main_~k~0#1, main_~key~0#1, main_~#v~0#1.base, main_~#v~0#1.offset;havoc main_#t~nondet4#1;main_~SIZE~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !((if main_~SIZE~0#1 % 4294967296 % 18446744073709551616 <= 9223372036854775807 then main_~SIZE~0#1 % 4294967296 % 18446744073709551616 else main_~SIZE~0#1 % 4294967296 % 18446744073709551616 - 18446744073709551616) >= 1000000000);havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~k~0#1;havoc main_~key~0#1;call main_~#v~0#1.base, main_~#v~0#1.offset := #Ultimate.allocOnStack(4 * main_~SIZE~0#1 % 4294967296);main_~j~0#1 := 0;" "assume main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296;" "havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1;" "assume main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296;" "havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1;" "assume !(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);" "main_~j~0#1 := 1;" "assume main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296;" "call main_#t~mem7#1 := read~int#1(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);main_~key~0#1 := main_#t~mem7#1;havoc main_#t~mem7#1;main_~i~0#1 := main_~j~0#1 - 1;" "main_#t~short9#1 := main_~i~0#1 >= 0;" "assume !main_#t~short9#1;" "assume !main_#t~short9#1;havoc main_#t~mem8#1;havoc main_#t~short9#1;" "call write~int#1(main_~key~0#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * (1 + main_~i~0#1), 4);main_#t~post11#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post11#1;havoc main_#t~post11#1;" "assume main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296;" "call main_#t~mem7#1 := read~int#1(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);main_~key~0#1 := main_#t~mem7#1;havoc main_#t~mem7#1;main_~i~0#1 := main_~j~0#1 - 1;" [2024-12-02 10:09:25,529 INFO L749 eck$LassoCheckResult]: Loop: "main_#t~short9#1 := main_~i~0#1 >= 0;" "assume main_#t~short9#1;call main_#t~mem8#1 := read~int#1(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~i~0#1, 4);main_#t~short9#1 := main_#t~mem8#1 > main_~key~0#1;" "assume main_#t~short9#1;havoc main_#t~mem8#1;havoc main_#t~short9#1;" "call main_#t~mem10#1 := read~int#1(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~i~0#1, 4);call write~int#1(main_#t~mem10#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * (1 + main_~i~0#1), 4);havoc main_#t~mem10#1;main_~i~0#1 := main_~i~0#1 - 1;" [2024-12-02 10:09:25,529 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:09:25,529 INFO L85 PathProgramCache]: Analyzing trace with hash -1485827131, now seen corresponding path program 1 times [2024-12-02 10:09:25,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 10:09:25,529 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1513790080] [2024-12-02 10:09:25,529 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:09:25,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:09:25,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:09:25,583 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-12-02 10:09:25,583 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1513790080] [2024-12-02 10:09:25,583 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1513790080] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 10:09:25,583 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [599361772] [2024-12-02 10:09:25,584 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:09:25,584 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 10:09:25,584 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:09:25,586 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 10:09:25,587 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Waiting until timeout for monitored process [2024-12-02 10:09:25,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:09:25,639 INFO L256 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-02 10:09:25,640 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 10:09:25,659 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 10:09:25,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [599361772] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 10:09:25,678 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 10:09:25,678 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 8 [2024-12-02 10:09:25,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1411538761] [2024-12-02 10:09:25,678 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 10:09:25,678 INFO L752 eck$LassoCheckResult]: stem already infeasible [2024-12-02 10:09:25,678 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:09:25,678 INFO L85 PathProgramCache]: Analyzing trace with hash 2004136, now seen corresponding path program 2 times [2024-12-02 10:09:25,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 10:09:25,679 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [920058821] [2024-12-02 10:09:25,679 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:09:25,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:09:25,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 10:09:25,683 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 10:09:25,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 10:09:25,687 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 10:09:25,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-12-02 10:09:25,775 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 10:09:25,775 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-12-02 10:09:25,776 INFO L87 Difference]: Start difference. First operand 34 states and 43 transitions. cyclomatic complexity: 14 Second operand has 8 states, 8 states have (on average 2.5) internal successors, (20), 8 states have internal predecessors, (20), 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) [2024-12-02 10:09:25,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:09:25,838 INFO L93 Difference]: Finished difference Result 51 states and 62 transitions. [2024-12-02 10:09:25,839 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 51 states and 62 transitions. [2024-12-02 10:09:25,839 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2024-12-02 10:09:25,841 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 51 states to 51 states and 62 transitions. [2024-12-02 10:09:25,841 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 20 [2024-12-02 10:09:25,841 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2024-12-02 10:09:25,841 INFO L73 IsDeterministic]: Start isDeterministic. Operand 51 states and 62 transitions. [2024-12-02 10:09:25,841 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-12-02 10:09:25,841 INFO L218 hiAutomatonCegarLoop]: Abstraction has 51 states and 62 transitions. [2024-12-02 10:09:25,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states and 62 transitions. [2024-12-02 10:09:25,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 41. [2024-12-02 10:09:25,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 41 states have (on average 1.2439024390243902) internal successors, (51), 40 states have internal predecessors, (51), 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) [2024-12-02 10:09:25,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 51 transitions. [2024-12-02 10:09:25,845 INFO L240 hiAutomatonCegarLoop]: Abstraction has 41 states and 51 transitions. [2024-12-02 10:09:25,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 10:09:25,846 INFO L425 stractBuchiCegarLoop]: Abstraction has 41 states and 51 transitions. [2024-12-02 10:09:25,846 INFO L332 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2024-12-02 10:09:25,846 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 41 states and 51 transitions. [2024-12-02 10:09:25,846 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2024-12-02 10:09:25,846 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-12-02 10:09:25,846 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-12-02 10:09:25,847 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:09:25,847 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-12-02 10:09:25,847 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(21, 2);call #Ultimate.allocInit(12, 3);" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~post6#1, main_#t~mem7#1, main_#t~mem8#1, main_#t~short9#1, main_#t~mem10#1, main_#t~post11#1, main_#t~mem12#1, main_#t~mem13#1, main_#t~post14#1, main_~SIZE~0#1, main_~i~0#1, main_~j~0#1, main_~k~0#1, main_~key~0#1, main_~#v~0#1.base, main_~#v~0#1.offset;havoc main_#t~nondet4#1;main_~SIZE~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !((if main_~SIZE~0#1 % 4294967296 % 18446744073709551616 <= 9223372036854775807 then main_~SIZE~0#1 % 4294967296 % 18446744073709551616 else main_~SIZE~0#1 % 4294967296 % 18446744073709551616 - 18446744073709551616) >= 1000000000);havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~k~0#1;havoc main_~key~0#1;call main_~#v~0#1.base, main_~#v~0#1.offset := #Ultimate.allocOnStack(4 * main_~SIZE~0#1 % 4294967296);main_~j~0#1 := 0;" "assume main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296;" "havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1;" "assume main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296;" "havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1;" "assume !(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);" "main_~j~0#1 := 1;" "assume main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296;" "call main_#t~mem7#1 := read~int#1(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);main_~key~0#1 := main_#t~mem7#1;havoc main_#t~mem7#1;main_~i~0#1 := main_~j~0#1 - 1;" "main_#t~short9#1 := main_~i~0#1 >= 0;" "assume main_#t~short9#1;call main_#t~mem8#1 := read~int#1(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~i~0#1, 4);main_#t~short9#1 := main_#t~mem8#1 > main_~key~0#1;" "assume !main_#t~short9#1;havoc main_#t~mem8#1;havoc main_#t~short9#1;" "call write~int#1(main_~key~0#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * (1 + main_~i~0#1), 4);main_#t~post11#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post11#1;havoc main_#t~post11#1;" "assume !(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);" "main_~k~0#1 := 1;" [2024-12-02 10:09:25,847 INFO L749 eck$LassoCheckResult]: Loop: "assume main_~k~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296;" "call main_#t~mem12#1 := read~int#1(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * (main_~k~0#1 - 1), 4);call main_#t~mem13#1 := read~int#1(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~k~0#1, 4);assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_#t~mem12#1 <= main_#t~mem13#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1;" "assume !(0 == __VERIFIER_assert_~cond#1);" "havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;main_#t~post14#1 := main_~k~0#1;main_~k~0#1 := 1 + main_#t~post14#1;havoc main_#t~post14#1;" [2024-12-02 10:09:25,847 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:09:25,847 INFO L85 PathProgramCache]: Analyzing trace with hash -1487674086, now seen corresponding path program 1 times [2024-12-02 10:09:25,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 10:09:25,848 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1604977162] [2024-12-02 10:09:25,848 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:09:25,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:09:25,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 10:09:25,860 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 10:09:25,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 10:09:25,870 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 10:09:25,870 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:09:25,871 INFO L85 PathProgramCache]: Analyzing trace with hash 2836392, now seen corresponding path program 2 times [2024-12-02 10:09:25,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 10:09:25,871 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1573861351] [2024-12-02 10:09:25,871 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:09:25,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:09:25,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 10:09:25,874 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 10:09:25,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 10:09:25,878 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 10:09:25,878 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:09:25,878 INFO L85 PathProgramCache]: Analyzing trace with hash 1650784321, now seen corresponding path program 1 times [2024-12-02 10:09:25,879 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 10:09:25,879 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [898097145] [2024-12-02 10:09:25,879 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:09:25,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:09:25,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 10:09:25,893 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 10:09:25,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 10:09:25,904 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 10:09:26,572 INFO L204 LassoAnalysis]: Preferences: [2024-12-02 10:09:26,572 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-12-02 10:09:26,572 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-12-02 10:09:26,573 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-12-02 10:09:26,573 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-12-02 10:09:26,573 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 10:09:26,573 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-12-02 10:09:26,573 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-12-02 10:09:26,573 INFO L132 ssoRankerPreferences]: Filename of dumped script: insertion_sort-2-2.c_Iteration9_Lasso [2024-12-02 10:09:26,573 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-12-02 10:09:26,573 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-12-02 10:09:26,574 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 10:09:26,628 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2024-12-02 10:09:26,837 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 10:09:26,839 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 10:09:26,840 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 10:09:26,842 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 10:09:26,844 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 10:09:26,846 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 10:09:26,847 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 10:09:26,849 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 10:09:26,851 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 10:09:26,852 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 10:09:26,854 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 10:09:26,856 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 10:09:26,863 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 10:09:26,867 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 10:09:26,869 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 10:09:26,871 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 10:09:26,872 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 10:09:26,874 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 10:09:27,182 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-12-02 10:09:27,182 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-12-02 10:09:27,182 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 10:09:27,182 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:09:27,184 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 10:09:27,185 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2024-12-02 10:09:27,186 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 [2024-12-02 10:09:27,197 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 10:09:27,197 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 10:09:27,197 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 10:09:27,197 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 10:09:27,199 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-12-02 10:09:27,199 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-12-02 10:09:27,202 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 10:09:27,207 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2024-12-02 10:09:27,207 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 10:09:27,207 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:09:27,208 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 10:09:27,209 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2024-12-02 10:09:27,210 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 [2024-12-02 10:09:27,221 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 10:09:27,221 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 10:09:27,221 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 10:09:27,221 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 10:09:27,226 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-12-02 10:09:27,226 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-12-02 10:09:27,237 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-12-02 10:09:27,252 INFO L443 ModelExtractionUtils]: Simplification made 9 calls to the SMT solver. [2024-12-02 10:09:27,252 INFO L444 ModelExtractionUtils]: 5 out of 16 variables were initially zero. Simplification set additionally 7 variables to zero. [2024-12-02 10:09:27,252 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 10:09:27,252 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:09:27,254 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 10:09:27,255 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2024-12-02 10:09:27,256 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-12-02 10:09:27,267 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-12-02 10:09:27,267 INFO L474 LassoAnalysis]: Proved termination. [2024-12-02 10:09:27,267 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~k~0#1, ULTIMATE.start_main_~#v~0#1.offset, v_rep(select #length ULTIMATE.start_main_~#v~0#1.base)_4) = -4*ULTIMATE.start_main_~k~0#1 - 1*ULTIMATE.start_main_~#v~0#1.offset + 1*v_rep(select #length ULTIMATE.start_main_~#v~0#1.base)_4 Supporting invariants [] [2024-12-02 10:09:27,274 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2024-12-02 10:09:27,286 INFO L156 tatePredicateManager]: 6 out of 6 supporting invariants were superfluous and have been removed [2024-12-02 10:09:27,287 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#v~0!offset [2024-12-02 10:09:27,287 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-12-02 10:09:27,287 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-12-02 10:09:27,295 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:09:27,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:09:27,312 INFO L256 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 10:09:27,312 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 10:09:27,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:09:27,329 INFO L256 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-02 10:09:27,330 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 10:09:27,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 10:09:27,351 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2024-12-02 10:09:27,351 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 41 states and 51 transitions. cyclomatic complexity: 15 Second operand has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 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) [2024-12-02 10:09:27,366 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 41 states and 51 transitions. cyclomatic complexity: 15. Second operand has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 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 45 states and 56 transitions. Complement of second has 6 states. [2024-12-02 10:09:27,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2024-12-02 10:09:27,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 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) [2024-12-02 10:09:27,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 22 transitions. [2024-12-02 10:09:27,368 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 22 transitions. Stem has 17 letters. Loop has 4 letters. [2024-12-02 10:09:27,368 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-12-02 10:09:27,368 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 22 transitions. Stem has 21 letters. Loop has 4 letters. [2024-12-02 10:09:27,368 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-12-02 10:09:27,368 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 22 transitions. Stem has 17 letters. Loop has 8 letters. [2024-12-02 10:09:27,368 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-12-02 10:09:27,368 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 45 states and 56 transitions. [2024-12-02 10:09:27,369 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-12-02 10:09:27,369 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 45 states to 36 states and 45 transitions. [2024-12-02 10:09:27,369 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2024-12-02 10:09:27,369 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2024-12-02 10:09:27,369 INFO L73 IsDeterministic]: Start isDeterministic. Operand 36 states and 45 transitions. [2024-12-02 10:09:27,369 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-12-02 10:09:27,369 INFO L218 hiAutomatonCegarLoop]: Abstraction has 36 states and 45 transitions. [2024-12-02 10:09:27,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states and 45 transitions. [2024-12-02 10:09:27,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2024-12-02 10:09:27,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 36 states have (on average 1.25) internal successors, (45), 35 states have internal predecessors, (45), 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) [2024-12-02 10:09:27,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 45 transitions. [2024-12-02 10:09:27,371 INFO L240 hiAutomatonCegarLoop]: Abstraction has 36 states and 45 transitions. [2024-12-02 10:09:27,371 INFO L425 stractBuchiCegarLoop]: Abstraction has 36 states and 45 transitions. [2024-12-02 10:09:27,371 INFO L332 stractBuchiCegarLoop]: ======== Iteration 10 ============ [2024-12-02 10:09:27,371 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 36 states and 45 transitions. [2024-12-02 10:09:27,371 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-12-02 10:09:27,371 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-12-02 10:09:27,371 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-12-02 10:09:27,372 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:09:27,372 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-12-02 10:09:27,372 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(21, 2);call #Ultimate.allocInit(12, 3);" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~post6#1, main_#t~mem7#1, main_#t~mem8#1, main_#t~short9#1, main_#t~mem10#1, main_#t~post11#1, main_#t~mem12#1, main_#t~mem13#1, main_#t~post14#1, main_~SIZE~0#1, main_~i~0#1, main_~j~0#1, main_~k~0#1, main_~key~0#1, main_~#v~0#1.base, main_~#v~0#1.offset;havoc main_#t~nondet4#1;main_~SIZE~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !((if main_~SIZE~0#1 % 4294967296 % 18446744073709551616 <= 9223372036854775807 then main_~SIZE~0#1 % 4294967296 % 18446744073709551616 else main_~SIZE~0#1 % 4294967296 % 18446744073709551616 - 18446744073709551616) >= 1000000000);havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~k~0#1;havoc main_~key~0#1;call main_~#v~0#1.base, main_~#v~0#1.offset := #Ultimate.allocOnStack(4 * main_~SIZE~0#1 % 4294967296);main_~j~0#1 := 0;" "assume main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296;" "havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1;" "assume main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296;" "havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1;" "assume !(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);" "main_~j~0#1 := 1;" "assume main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296;" "call main_#t~mem7#1 := read~int#1(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);main_~key~0#1 := main_#t~mem7#1;havoc main_#t~mem7#1;main_~i~0#1 := main_~j~0#1 - 1;" "main_#t~short9#1 := main_~i~0#1 >= 0;" "assume main_#t~short9#1;call main_#t~mem8#1 := read~int#1(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~i~0#1, 4);main_#t~short9#1 := main_#t~mem8#1 > main_~key~0#1;" "assume !main_#t~short9#1;havoc main_#t~mem8#1;havoc main_#t~short9#1;" "call write~int#1(main_~key~0#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * (1 + main_~i~0#1), 4);main_#t~post11#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post11#1;havoc main_#t~post11#1;" "assume main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296;" "call main_#t~mem7#1 := read~int#1(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);main_~key~0#1 := main_#t~mem7#1;havoc main_#t~mem7#1;main_~i~0#1 := main_~j~0#1 - 1;" "main_#t~short9#1 := main_~i~0#1 >= 0;" "assume main_#t~short9#1;call main_#t~mem8#1 := read~int#1(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~i~0#1, 4);main_#t~short9#1 := main_#t~mem8#1 > main_~key~0#1;" [2024-12-02 10:09:27,372 INFO L749 eck$LassoCheckResult]: Loop: "assume main_#t~short9#1;havoc main_#t~mem8#1;havoc main_#t~short9#1;" "call main_#t~mem10#1 := read~int#1(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~i~0#1, 4);call write~int#1(main_#t~mem10#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * (1 + main_~i~0#1), 4);havoc main_#t~mem10#1;main_~i~0#1 := main_~i~0#1 - 1;" "main_#t~short9#1 := main_~i~0#1 >= 0;" "assume main_#t~short9#1;call main_#t~mem8#1 := read~int#1(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~i~0#1, 4);main_#t~short9#1 := main_#t~mem8#1 > main_~key~0#1;" [2024-12-02 10:09:27,372 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:09:27,372 INFO L85 PathProgramCache]: Analyzing trace with hash 569230438, now seen corresponding path program 3 times [2024-12-02 10:09:27,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 10:09:27,372 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [406814709] [2024-12-02 10:09:27,372 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:09:27,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:09:27,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:09:27,506 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-12-02 10:09:27,506 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [406814709] [2024-12-02 10:09:27,506 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [406814709] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 10:09:27,506 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1730529908] [2024-12-02 10:09:27,506 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:09:27,506 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 10:09:27,506 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:09:27,508 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 10:09:27,509 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (48)] Waiting until timeout for monitored process [2024-12-02 10:09:27,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:09:27,559 INFO L256 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-02 10:09:27,560 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 10:09:27,615 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 10:09:27,757 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1730529908] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 10:09:27,757 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 10:09:27,757 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 13 [2024-12-02 10:09:27,757 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1909061167] [2024-12-02 10:09:27,757 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 10:09:27,758 INFO L752 eck$LassoCheckResult]: stem already infeasible [2024-12-02 10:09:27,758 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:09:27,758 INFO L85 PathProgramCache]: Analyzing trace with hash 2281576, now seen corresponding path program 3 times [2024-12-02 10:09:27,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 10:09:27,758 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [488928648] [2024-12-02 10:09:27,758 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:09:27,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:09:27,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 10:09:27,762 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 10:09:27,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 10:09:27,766 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 10:09:27,898 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-12-02 10:09:27,899 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-12-02 10:09:27,899 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2024-12-02 10:09:27,899 INFO L87 Difference]: Start difference. First operand 36 states and 45 transitions. cyclomatic complexity: 13 Second operand has 13 states, 13 states have (on average 2.6153846153846154) internal successors, (34), 13 states have internal predecessors, (34), 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) [2024-12-02 10:09:27,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:09:27,984 INFO L93 Difference]: Finished difference Result 70 states and 87 transitions. [2024-12-02 10:09:27,984 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 70 states and 87 transitions. [2024-12-02 10:09:27,985 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2024-12-02 10:09:27,986 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 70 states to 56 states and 69 transitions. [2024-12-02 10:09:27,986 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 20 [2024-12-02 10:09:27,986 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2024-12-02 10:09:27,986 INFO L73 IsDeterministic]: Start isDeterministic. Operand 56 states and 69 transitions. [2024-12-02 10:09:27,986 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-12-02 10:09:27,986 INFO L218 hiAutomatonCegarLoop]: Abstraction has 56 states and 69 transitions. [2024-12-02 10:09:27,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states and 69 transitions. [2024-12-02 10:09:27,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 38. [2024-12-02 10:09:27,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 38 states have (on average 1.236842105263158) internal successors, (47), 37 states have internal predecessors, (47), 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) [2024-12-02 10:09:27,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 47 transitions. [2024-12-02 10:09:27,988 INFO L240 hiAutomatonCegarLoop]: Abstraction has 38 states and 47 transitions. [2024-12-02 10:09:27,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 10:09:27,989 INFO L425 stractBuchiCegarLoop]: Abstraction has 38 states and 47 transitions. [2024-12-02 10:09:27,989 INFO L332 stractBuchiCegarLoop]: ======== Iteration 11 ============ [2024-12-02 10:09:27,989 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 38 states and 47 transitions. [2024-12-02 10:09:27,990 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-12-02 10:09:27,990 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-12-02 10:09:27,990 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-12-02 10:09:27,990 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:09:27,991 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-12-02 10:09:27,991 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(21, 2);call #Ultimate.allocInit(12, 3);" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~post6#1, main_#t~mem7#1, main_#t~mem8#1, main_#t~short9#1, main_#t~mem10#1, main_#t~post11#1, main_#t~mem12#1, main_#t~mem13#1, main_#t~post14#1, main_~SIZE~0#1, main_~i~0#1, main_~j~0#1, main_~k~0#1, main_~key~0#1, main_~#v~0#1.base, main_~#v~0#1.offset;havoc main_#t~nondet4#1;main_~SIZE~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !((if main_~SIZE~0#1 % 4294967296 % 18446744073709551616 <= 9223372036854775807 then main_~SIZE~0#1 % 4294967296 % 18446744073709551616 else main_~SIZE~0#1 % 4294967296 % 18446744073709551616 - 18446744073709551616) >= 1000000000);havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~k~0#1;havoc main_~key~0#1;call main_~#v~0#1.base, main_~#v~0#1.offset := #Ultimate.allocOnStack(4 * main_~SIZE~0#1 % 4294967296);main_~j~0#1 := 0;" "assume main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296;" "havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1;" "assume main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296;" "havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1;" "assume main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296;" "havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1;" "assume !(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);" "main_~j~0#1 := 1;" "assume main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296;" "call main_#t~mem7#1 := read~int#1(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);main_~key~0#1 := main_#t~mem7#1;havoc main_#t~mem7#1;main_~i~0#1 := main_~j~0#1 - 1;" "main_#t~short9#1 := main_~i~0#1 >= 0;" "assume main_#t~short9#1;call main_#t~mem8#1 := read~int#1(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~i~0#1, 4);main_#t~short9#1 := main_#t~mem8#1 > main_~key~0#1;" "assume !main_#t~short9#1;havoc main_#t~mem8#1;havoc main_#t~short9#1;" "call write~int#1(main_~key~0#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * (1 + main_~i~0#1), 4);main_#t~post11#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post11#1;havoc main_#t~post11#1;" "assume main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296;" "call main_#t~mem7#1 := read~int#1(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);main_~key~0#1 := main_#t~mem7#1;havoc main_#t~mem7#1;main_~i~0#1 := main_~j~0#1 - 1;" "main_#t~short9#1 := main_~i~0#1 >= 0;" "assume main_#t~short9#1;call main_#t~mem8#1 := read~int#1(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~i~0#1, 4);main_#t~short9#1 := main_#t~mem8#1 > main_~key~0#1;" [2024-12-02 10:09:27,991 INFO L749 eck$LassoCheckResult]: Loop: "assume main_#t~short9#1;havoc main_#t~mem8#1;havoc main_#t~short9#1;" "call main_#t~mem10#1 := read~int#1(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~i~0#1, 4);call write~int#1(main_#t~mem10#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * (1 + main_~i~0#1), 4);havoc main_#t~mem10#1;main_~i~0#1 := main_~i~0#1 - 1;" "main_#t~short9#1 := main_~i~0#1 >= 0;" "assume main_#t~short9#1;call main_#t~mem8#1 := read~int#1(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~i~0#1, 4);main_#t~short9#1 := main_#t~mem8#1 > main_~key~0#1;" [2024-12-02 10:09:27,991 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:09:27,991 INFO L85 PathProgramCache]: Analyzing trace with hash -928684790, now seen corresponding path program 4 times [2024-12-02 10:09:27,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 10:09:27,991 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [751804936] [2024-12-02 10:09:27,991 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:09:27,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:09:28,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 10:09:28,010 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 10:09:28,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 10:09:28,043 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 10:09:28,043 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:09:28,043 INFO L85 PathProgramCache]: Analyzing trace with hash 2281576, now seen corresponding path program 4 times [2024-12-02 10:09:28,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 10:09:28,043 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [742391500] [2024-12-02 10:09:28,043 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:09:28,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:09:28,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 10:09:28,048 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 10:09:28,049 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2024-12-02 10:09:28,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 10:09:28,051 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 10:09:28,052 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:09:28,052 INFO L85 PathProgramCache]: Analyzing trace with hash 2114750705, now seen corresponding path program 1 times [2024-12-02 10:09:28,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 10:09:28,052 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1750898101] [2024-12-02 10:09:28,052 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:09:28,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:09:28,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 10:09:28,074 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 10:09:28,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 10:09:28,098 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 10:09:28,987 INFO L204 LassoAnalysis]: Preferences: [2024-12-02 10:09:28,987 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-12-02 10:09:28,987 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-12-02 10:09:28,987 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-12-02 10:09:28,987 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-12-02 10:09:28,987 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 10:09:28,988 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-12-02 10:09:28,988 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-12-02 10:09:28,988 INFO L132 ssoRankerPreferences]: Filename of dumped script: insertion_sort-2-2.c_Iteration11_Lasso [2024-12-02 10:09:28,988 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-12-02 10:09:28,988 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-12-02 10:09:28,990 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 10:09:28,998 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 10:09:28,999 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 10:09:29,001 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 10:09:29,002 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 10:09:29,004 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 10:09:29,006 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 10:09:29,007 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 10:09:29,008 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 10:09:29,010 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 10:09:29,318 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 10:09:29,319 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 10:09:29,321 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 10:09:29,322 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 10:09:29,324 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 10:09:29,676 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-12-02 10:09:29,677 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-12-02 10:09:29,677 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 10:09:29,677 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:09:29,678 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 10:09:29,679 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2024-12-02 10:09:29,681 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 [2024-12-02 10:09:29,691 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 10:09:29,691 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 10:09:29,691 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 10:09:29,691 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 10:09:29,693 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-12-02 10:09:29,693 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-12-02 10:09:29,695 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 10:09:29,700 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2024-12-02 10:09:29,701 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 10:09:29,701 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:09:29,702 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 10:09:29,703 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2024-12-02 10:09:29,704 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 [2024-12-02 10:09:29,715 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 10:09:29,715 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 10:09:29,715 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 10:09:29,715 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 10:09:29,716 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-12-02 10:09:29,716 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-12-02 10:09:29,719 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 10:09:29,724 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Ended with exit code 0 [2024-12-02 10:09:29,725 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 10:09:29,725 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:09:29,726 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 10:09:29,727 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2024-12-02 10:09:29,728 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 [2024-12-02 10:09:29,739 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 10:09:29,739 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-12-02 10:09:29,740 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 10:09:29,740 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 10:09:29,740 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 10:09:29,740 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-12-02 10:09:29,740 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-12-02 10:09:29,741 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 10:09:29,746 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Ended with exit code 0 [2024-12-02 10:09:29,746 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 10:09:29,746 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:09:29,748 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 10:09:29,749 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2024-12-02 10:09:29,750 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 [2024-12-02 10:09:29,761 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 10:09:29,761 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-12-02 10:09:29,761 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 10:09:29,761 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 10:09:29,761 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 10:09:29,761 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-12-02 10:09:29,761 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-12-02 10:09:29,763 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 10:09:29,768 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Ended with exit code 0 [2024-12-02 10:09:29,768 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 10:09:29,768 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:09:29,769 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 10:09:29,770 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2024-12-02 10:09:29,771 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 [2024-12-02 10:09:29,782 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 10:09:29,782 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-12-02 10:09:29,782 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 10:09:29,782 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 10:09:29,782 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 10:09:29,783 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-12-02 10:09:29,783 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-12-02 10:09:29,784 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 10:09:29,789 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Ended with exit code 0 [2024-12-02 10:09:29,789 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 10:09:29,789 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:09:29,790 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 10:09:29,791 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2024-12-02 10:09:29,793 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 [2024-12-02 10:09:29,804 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 10:09:29,804 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 10:09:29,804 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 10:09:29,804 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 10:09:29,805 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-12-02 10:09:29,805 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-12-02 10:09:29,808 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 10:09:29,813 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Ended with exit code 0 [2024-12-02 10:09:29,813 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 10:09:29,813 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:09:29,815 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 10:09:29,815 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2024-12-02 10:09:29,817 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 [2024-12-02 10:09:29,827 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 10:09:29,828 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-12-02 10:09:29,828 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 10:09:29,828 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 10:09:29,828 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 10:09:29,828 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-12-02 10:09:29,828 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-12-02 10:09:29,829 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 10:09:29,834 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Ended with exit code 0 [2024-12-02 10:09:29,834 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 10:09:29,834 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:09:29,836 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 10:09:29,837 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2024-12-02 10:09:29,838 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 [2024-12-02 10:09:29,849 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 10:09:29,849 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-12-02 10:09:29,849 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 10:09:29,849 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 10:09:29,849 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 10:09:29,850 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-12-02 10:09:29,850 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-12-02 10:09:29,851 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 10:09:29,856 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Ended with exit code 0 [2024-12-02 10:09:29,856 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 10:09:29,856 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:09:29,857 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 10:09:29,858 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2024-12-02 10:09:29,859 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 [2024-12-02 10:09:29,870 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 10:09:29,870 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-12-02 10:09:29,870 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 10:09:29,870 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 10:09:29,870 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 10:09:29,871 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-12-02 10:09:29,871 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-12-02 10:09:29,872 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 10:09:29,877 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Ended with exit code 0 [2024-12-02 10:09:29,877 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 10:09:29,877 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:09:29,879 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 10:09:29,879 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2024-12-02 10:09:29,881 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 [2024-12-02 10:09:29,891 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 10:09:29,891 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-12-02 10:09:29,891 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 10:09:29,891 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 10:09:29,891 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 10:09:29,892 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-12-02 10:09:29,892 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-12-02 10:09:29,893 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 10:09:29,898 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Ended with exit code 0 [2024-12-02 10:09:29,898 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 10:09:29,898 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:09:29,900 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 10:09:29,901 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2024-12-02 10:09:29,902 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 [2024-12-02 10:09:29,913 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 10:09:29,913 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 10:09:29,913 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 10:09:29,913 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 10:09:29,917 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-12-02 10:09:29,917 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-12-02 10:09:29,925 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-12-02 10:09:29,936 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2024-12-02 10:09:29,936 INFO L444 ModelExtractionUtils]: 7 out of 16 variables were initially zero. Simplification set additionally 7 variables to zero. [2024-12-02 10:09:29,936 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 10:09:29,936 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:09:29,938 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 10:09:29,939 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2024-12-02 10:09:29,940 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-12-02 10:09:29,952 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-12-02 10:09:29,952 INFO L474 LassoAnalysis]: Proved termination. [2024-12-02 10:09:29,952 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1) = 1*ULTIMATE.start_main_~i~0#1 Supporting invariants [] [2024-12-02 10:09:29,958 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Ended with exit code 0 [2024-12-02 10:09:29,973 INFO L156 tatePredicateManager]: 6 out of 6 supporting invariants were superfluous and have been removed [2024-12-02 10:09:29,981 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:09:30,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:09:30,006 INFO L256 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 10:09:30,007 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 10:09:30,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:09:30,035 INFO L256 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-02 10:09:30,035 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 10:09:30,067 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 10:09:30,068 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2024-12-02 10:09:30,068 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 38 states and 47 transitions. cyclomatic complexity: 13 Second operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 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) [2024-12-02 10:09:30,099 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 38 states and 47 transitions. cyclomatic complexity: 13. Second operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 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 51 states and 61 transitions. Complement of second has 9 states. [2024-12-02 10:09:30,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2024-12-02 10:09:30,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 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) [2024-12-02 10:09:30,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 20 transitions. [2024-12-02 10:09:30,100 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 20 transitions. Stem has 21 letters. Loop has 4 letters. [2024-12-02 10:09:30,100 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-12-02 10:09:30,100 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-12-02 10:09:30,110 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:09:30,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:09:30,134 INFO L256 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 10:09:30,134 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 10:09:30,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:09:30,162 INFO L256 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-02 10:09:30,163 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 10:09:30,185 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 10:09:30,186 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 3 loop predicates [2024-12-02 10:09:30,186 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 38 states and 47 transitions. cyclomatic complexity: 13 Second operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 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) [2024-12-02 10:09:30,220 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 38 states and 47 transitions. cyclomatic complexity: 13. Second operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 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 52 states and 62 transitions. Complement of second has 9 states. [2024-12-02 10:09:30,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2024-12-02 10:09:30,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 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) [2024-12-02 10:09:30,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 20 transitions. [2024-12-02 10:09:30,221 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 20 transitions. Stem has 21 letters. Loop has 4 letters. [2024-12-02 10:09:30,221 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-12-02 10:09:30,221 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-12-02 10:09:30,229 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:09:30,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:09:30,251 INFO L256 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 10:09:30,252 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 10:09:30,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:09:30,278 INFO L256 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-02 10:09:30,279 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 10:09:30,309 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 10:09:30,309 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2024-12-02 10:09:30,310 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 38 states and 47 transitions. cyclomatic complexity: 13 Second operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 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) [2024-12-02 10:09:30,341 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 38 states and 47 transitions. cyclomatic complexity: 13. Second operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 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 64 states and 80 transitions. Complement of second has 8 states. [2024-12-02 10:09:30,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2024-12-02 10:09:30,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 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) [2024-12-02 10:09:30,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 26 transitions. [2024-12-02 10:09:30,342 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 26 transitions. Stem has 21 letters. Loop has 4 letters. [2024-12-02 10:09:30,342 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-12-02 10:09:30,342 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 26 transitions. Stem has 25 letters. Loop has 4 letters. [2024-12-02 10:09:30,343 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-12-02 10:09:30,343 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 26 transitions. Stem has 21 letters. Loop has 8 letters. [2024-12-02 10:09:30,343 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-12-02 10:09:30,343 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 64 states and 80 transitions. [2024-12-02 10:09:30,344 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-12-02 10:09:30,344 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 64 states to 0 states and 0 transitions. [2024-12-02 10:09:30,344 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-12-02 10:09:30,344 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-12-02 10:09:30,345 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-12-02 10:09:30,345 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-12-02 10:09:30,345 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-12-02 10:09:30,345 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-12-02 10:09:30,345 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-12-02 10:09:30,345 INFO L332 stractBuchiCegarLoop]: ======== Iteration 12 ============ [2024-12-02 10:09:30,345 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-12-02 10:09:30,345 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-12-02 10:09:30,345 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-12-02 10:09:30,351 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 02.12 10:09:30 BoogieIcfgContainer [2024-12-02 10:09:30,351 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-12-02 10:09:30,352 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 10:09:30,352 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 10:09:30,352 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 10:09:30,352 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:09:18" (3/4) ... [2024-12-02 10:09:30,354 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-02 10:09:30,355 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 10:09:30,355 INFO L158 Benchmark]: Toolchain (without parser) took 12785.09ms. Allocated memory was 142.6MB in the beginning and 310.4MB in the end (delta: 167.8MB). Free memory was 117.1MB in the beginning and 192.6MB in the end (delta: -75.5MB). Peak memory consumption was 96.1MB. Max. memory is 16.1GB. [2024-12-02 10:09:30,355 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 142.6MB. Free memory is still 83.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 10:09:30,356 INFO L158 Benchmark]: CACSL2BoogieTranslator took 228.14ms. Allocated memory is still 142.6MB. Free memory was 117.1MB in the beginning and 106.1MB in the end (delta: 11.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 10:09:30,356 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.20ms. Allocated memory is still 142.6MB. Free memory was 105.8MB in the beginning and 104.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 10:09:30,356 INFO L158 Benchmark]: Boogie Preprocessor took 38.00ms. Allocated memory is still 142.6MB. Free memory was 104.7MB in the beginning and 103.1MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 10:09:30,356 INFO L158 Benchmark]: RCFGBuilder took 333.37ms. Allocated memory is still 142.6MB. Free memory was 103.1MB in the beginning and 89.8MB in the end (delta: 13.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 10:09:30,357 INFO L158 Benchmark]: BuchiAutomizer took 12148.20ms. Allocated memory was 142.6MB in the beginning and 310.4MB in the end (delta: 167.8MB). Free memory was 89.8MB in the beginning and 192.6MB in the end (delta: -102.8MB). Peak memory consumption was 62.6MB. Max. memory is 16.1GB. [2024-12-02 10:09:30,357 INFO L158 Benchmark]: Witness Printer took 3.01ms. Allocated memory is still 310.4MB. Free memory was 192.6MB in the beginning and 192.6MB in the end (delta: 39.5kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 10:09:30,359 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 142.6MB. Free memory is still 83.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 228.14ms. Allocated memory is still 142.6MB. Free memory was 117.1MB in the beginning and 106.1MB in the end (delta: 11.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.20ms. Allocated memory is still 142.6MB. Free memory was 105.8MB in the beginning and 104.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 38.00ms. Allocated memory is still 142.6MB. Free memory was 104.7MB in the beginning and 103.1MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 333.37ms. Allocated memory is still 142.6MB. Free memory was 103.1MB in the beginning and 89.8MB in the end (delta: 13.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 12148.20ms. Allocated memory was 142.6MB in the beginning and 310.4MB in the end (delta: 167.8MB). Free memory was 89.8MB in the beginning and 192.6MB in the end (delta: -102.8MB). Peak memory consumption was 62.6MB. Max. memory is 16.1GB. * Witness Printer took 3.01ms. Allocated memory is still 310.4MB. Free memory was 192.6MB in the beginning and 192.6MB in the end (delta: 39.5kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#v~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#v~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 11 terminating modules (6 trivial, 4 deterministic, 1 nondeterministic). One deterministic module has affine ranking function null and consists of 4 locations. One deterministic module has affine ranking function null and consists of 7 locations. One deterministic module has affine ranking function (((long long) 2 * i) + 1) and consists of 5 locations. One deterministic module has affine ranking function null and consists of 4 locations. One nondeterministic module has affine ranking function i and consists of 5 locations. 6 modules have a trivial ranking function, the largest among these consists of 13 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 12.1s and 12 iterations. TraceHistogramMax:3. Analysis of lassos took 10.5s. Construction of modules took 0.3s. Büchi inclusion checks took 1.0s. Highest rank in rank-based complementation 3. Minimization of det autom 5. Minimization of nondet autom 6. Automata minimization 0.0s AutomataMinimizationTime, 10 MinimizatonAttempts, 65 StatesRemovedByMinimization, 7 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 [4, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 251 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 245 mSDsluCounter, 503 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 313 mSDsCounter, 52 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 463 IncrementalHoareTripleChecker+Invalid, 515 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 52 mSolverCounterUnsat, 190 mSDtfsCounter, 463 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc3 concLT0 SILN0 SILU2 SILI0 SILT0 lasso5 LassoPreprocessingBenchmarks: Lassos: inital194 mio100 ax100 hnf100 lsp95 ukn67 mio100 lsp40 div339 bol100 ite100 ukn100 eq143 hnf95 smp49 dnf128 smp90 tf100 neg100 sie102 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 26ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2024-12-02 10:09:30,371 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Ended with exit code 0 [2024-12-02 10:09:30,571 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (48)] Ended with exit code 0 [2024-12-02 10:09:30,772 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Ended with exit code 0 [2024-12-02 10:09:30,972 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Forceful destruction successful, exit code 0 [2024-12-02 10:09:31,172 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2024-12-02 10:09:31,372 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2024-12-02 10:09:31,573 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2024-12-02 10:09:31,774 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e518a4fc-9a4d-44c4-bc8d-966bf1b9238e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE