./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loops/insertion_sort-1-2.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_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/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_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loops/insertion_sort-1-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/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_40d3dd0a-448e-465f-a8ee-0324749a8ede/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 36d1103e69366c6d9110aa7e24b0c4765120510facc121d7623fcf9373a67e96 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 14:02:34,319 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 14:02:34,372 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-12-02 14:02:34,376 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 14:02:34,376 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 14:02:34,396 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 14:02:34,397 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 14:02:34,397 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 14:02:34,397 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 14:02:34,397 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 14:02:34,397 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 14:02:34,397 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 14:02:34,398 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 14:02:34,398 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-12-02 14:02:34,398 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-12-02 14:02:34,398 INFO L153 SettingsManager]: * Use old map elimination=false [2024-12-02 14:02:34,398 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-12-02 14:02:34,398 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-12-02 14:02:34,398 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-12-02 14:02:34,398 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 14:02:34,398 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-12-02 14:02:34,398 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 14:02:34,398 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 14:02:34,398 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 14:02:34,398 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 14:02:34,399 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-12-02 14:02:34,399 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-12-02 14:02:34,399 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-12-02 14:02:34,399 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-02 14:02:34,399 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 14:02:34,399 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 14:02:34,399 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-12-02 14:02:34,399 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 14:02:34,399 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 14:02:34,399 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 14:02:34,399 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 14:02:34,399 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 14:02:34,400 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL_NO_AM [2024-12-02 14:02:34,400 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-12-02 14:02:34,400 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_40d3dd0a-448e-465f-a8ee-0324749a8ede/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 -> 36d1103e69366c6d9110aa7e24b0c4765120510facc121d7623fcf9373a67e96 [2024-12-02 14:02:34,629 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 14:02:34,637 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 14:02:34,639 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 14:02:34,640 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 14:02:34,641 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 14:02:34,642 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/loops/insertion_sort-1-2.c [2024-12-02 14:02:37,332 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/data/f570e1147/7ab21bb4a72b4051a2209e50be35489d/FLAG860923083 [2024-12-02 14:02:37,533 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 14:02:37,534 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/sv-benchmarks/c/loops/insertion_sort-1-2.c [2024-12-02 14:02:37,540 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/data/f570e1147/7ab21bb4a72b4051a2209e50be35489d/FLAG860923083 [2024-12-02 14:02:37,554 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/data/f570e1147/7ab21bb4a72b4051a2209e50be35489d [2024-12-02 14:02:37,556 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 14:02:37,558 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 14:02:37,559 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 14:02:37,559 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 14:02:37,563 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 14:02:37,563 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:02:37" (1/1) ... [2024-12-02 14:02:37,564 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20b9fe25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:02:37, skipping insertion in model container [2024-12-02 14:02:37,564 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:02:37" (1/1) ... [2024-12-02 14:02:37,575 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 14:02:37,695 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 14:02:37,703 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 14:02:37,719 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 14:02:37,731 INFO L204 MainTranslator]: Completed translation [2024-12-02 14:02:37,732 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:02:37 WrapperNode [2024-12-02 14:02:37,732 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 14:02:37,733 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 14:02:37,733 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 14:02:37,733 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 14:02:37,738 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:02:37" (1/1) ... [2024-12-02 14:02:37,744 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:02:37" (1/1) ... [2024-12-02 14:02:37,760 INFO L138 Inliner]: procedures = 15, calls = 20, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 79 [2024-12-02 14:02:37,761 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 14:02:37,761 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 14:02:37,761 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 14:02:37,762 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 14:02:37,769 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:02:37" (1/1) ... [2024-12-02 14:02:37,769 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:02:37" (1/1) ... [2024-12-02 14:02:37,771 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:02:37" (1/1) ... [2024-12-02 14:02:37,782 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 14:02:37,783 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:02:37" (1/1) ... [2024-12-02 14:02:37,783 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:02:37" (1/1) ... [2024-12-02 14:02:37,788 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:02:37" (1/1) ... [2024-12-02 14:02:37,789 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:02:37" (1/1) ... [2024-12-02 14:02:37,793 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:02:37" (1/1) ... [2024-12-02 14:02:37,794 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:02:37" (1/1) ... [2024-12-02 14:02:37,795 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:02:37" (1/1) ... [2024-12-02 14:02:37,796 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 14:02:37,797 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 14:02:37,797 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 14:02:37,797 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 14:02:37,798 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:02:37" (1/1) ... [2024-12-02 14:02:37,804 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 14:02:37,814 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:02:37,825 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 14:02:37,827 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-12-02 14:02:37,847 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 14:02:37,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 14:02:37,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-12-02 14:02:37,847 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-02 14:02:37,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-12-02 14:02:37,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-12-02 14:02:37,848 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 14:02:37,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 14:02:37,848 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-12-02 14:02:37,848 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-12-02 14:02:37,848 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-02 14:02:37,910 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 14:02:37,912 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 14:02:38,064 INFO L? ?]: Removed 17 outVars from TransFormulas that were not future-live. [2024-12-02 14:02:38,064 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 14:02:38,073 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 14:02:38,073 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-12-02 14:02:38,073 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:02:38 BoogieIcfgContainer [2024-12-02 14:02:38,073 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 14:02:38,074 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-12-02 14:02:38,074 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-12-02 14:02:38,079 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-12-02 14:02:38,080 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-12-02 14:02:38,080 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 02.12 02:02:37" (1/3) ... [2024-12-02 14:02:38,081 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@442b7156 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.12 02:02:38, skipping insertion in model container [2024-12-02 14:02:38,081 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-12-02 14:02:38,081 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:02:37" (2/3) ... [2024-12-02 14:02:38,082 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@442b7156 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.12 02:02:38, skipping insertion in model container [2024-12-02 14:02:38,082 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-12-02 14:02:38,082 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:02:38" (3/3) ... [2024-12-02 14:02:38,083 INFO L363 chiAutomizerObserver]: Analyzing ICFG insertion_sort-1-2.c [2024-12-02 14:02:38,124 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-12-02 14:02:38,125 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-12-02 14:02:38,125 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-12-02 14:02:38,125 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-12-02 14:02:38,125 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-12-02 14:02:38,125 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-12-02 14:02:38,125 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-12-02 14:02:38,125 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-12-02 14:02:38,130 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 25 states, 24 states have (on average 1.5) internal successors, (36), 24 states have internal predecessors, (36), 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 14:02:38,144 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 16 [2024-12-02 14:02:38,145 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-12-02 14:02:38,145 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-12-02 14:02:38,150 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-12-02 14:02:38,150 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-12-02 14:02:38,150 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-12-02 14:02:38,150 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 25 states, 24 states have (on average 1.5) internal successors, (36), 24 states have internal predecessors, (36), 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 14:02:38,152 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 16 [2024-12-02 14:02:38,152 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-12-02 14:02:38,152 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-12-02 14:02:38,152 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-12-02 14:02:38,152 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-12-02 14:02:38,159 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(21, 2);call #Ultimate.allocInit(12, 3);" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~post6#1, main_#t~mem7#1, main_#t~mem8#1, main_#t~short9#1, main_#t~mem10#1, main_#t~post11#1, main_#t~mem12#1, main_#t~mem13#1, main_#t~post14#1, main_~SIZE~0#1, main_~i~0#1, main_~j~0#1, main_~k~0#1, main_~key~0#1, main_~#v~0#1.base, main_~#v~0#1.offset;havoc main_#t~nondet4#1;main_~SIZE~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !((if main_~SIZE~0#1 % 4294967296 % 18446744073709551616 <= 9223372036854775807 then main_~SIZE~0#1 % 4294967296 % 18446744073709551616 else main_~SIZE~0#1 % 4294967296 % 18446744073709551616 - 18446744073709551616) >= 1000000000);havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~k~0#1;havoc main_~key~0#1;call main_~#v~0#1.base, main_~#v~0#1.offset := #Ultimate.allocOnStack(4 * main_~SIZE~0#1 % 4294967296);main_~j~0#1 := 0;" [2024-12-02 14:02:38,159 INFO L749 eck$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 14:02:38,163 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:02:38,163 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2024-12-02 14:02:38,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 14:02:38,169 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [851092937] [2024-12-02 14:02:38,169 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:02:38,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:02:38,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 14:02:38,240 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 14:02:38,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 14:02:38,266 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 14:02:38,269 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:02:38,269 INFO L85 PathProgramCache]: Analyzing trace with hash 1381, now seen corresponding path program 1 times [2024-12-02 14:02:38,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 14:02:38,269 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [121940666] [2024-12-02 14:02:38,269 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:02:38,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:02:38,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 14:02:38,281 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 14:02:38,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 14:02:38,290 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 14:02:38,291 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:02:38,291 INFO L85 PathProgramCache]: Analyzing trace with hash 28695880, now seen corresponding path program 1 times [2024-12-02 14:02:38,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 14:02:38,292 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1377434386] [2024-12-02 14:02:38,292 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:02:38,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:02:38,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 14:02:38,316 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 14:02:38,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 14:02:38,334 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 14:02:38,702 INFO L204 LassoAnalysis]: Preferences: [2024-12-02 14:02:38,702 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-12-02 14:02:38,703 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-12-02 14:02:38,703 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-12-02 14:02:38,703 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-12-02 14:02:38,703 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 14:02:38,703 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-12-02 14:02:38,703 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-12-02 14:02:38,703 INFO L132 ssoRankerPreferences]: Filename of dumped script: insertion_sort-1-2.c_Iteration1_Lasso [2024-12-02 14:02:38,704 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-12-02 14:02:38,704 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-12-02 14:02:38,715 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 14:02:38,724 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 14:02:38,741 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 14:02:38,744 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 14:02:38,746 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 14:02:38,748 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 14:02:38,751 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 14:02:38,754 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 14:02:38,989 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 14:02:38,991 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 14:02:38,993 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 14:02:38,996 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 14:02:38,998 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 14:02:39,001 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 14:02:39,003 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 14:02:39,005 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 14:02:39,009 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 14:02:39,406 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-12-02 14:02:39,410 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-12-02 14:02:39,411 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 14:02:39,411 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:02:39,413 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 14:02:39,414 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2024-12-02 14:02:39,415 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 14:02:39,427 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 14:02:39,427 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-12-02 14:02:39,427 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 14:02:39,427 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 14:02:39,428 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 14:02:39,431 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-12-02 14:02:39,431 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-12-02 14:02:39,433 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 14:02:39,439 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2024-12-02 14:02:39,439 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 14:02:39,440 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:02:39,441 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 14:02:39,443 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-12-02 14:02:39,443 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 14:02:39,454 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 14:02:39,454 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 14:02:39,455 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 14:02:39,455 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 14:02:39,458 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-12-02 14:02:39,458 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-12-02 14:02:39,463 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 14:02:39,470 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2024-12-02 14:02:39,471 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 14:02:39,471 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:02:39,472 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 14:02:39,473 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-12-02 14:02:39,475 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 14:02:39,486 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 14:02:39,486 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 14:02:39,486 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 14:02:39,486 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 14:02:39,489 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-12-02 14:02:39,489 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-12-02 14:02:39,493 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 14:02:39,502 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2024-12-02 14:02:39,502 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 14:02:39,502 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:02:39,504 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 14:02:39,506 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-12-02 14:02:39,507 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 14:02:39,521 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 14:02:39,522 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-12-02 14:02:39,522 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 14:02:39,522 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 14:02:39,522 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 14:02:39,523 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-12-02 14:02:39,523 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-12-02 14:02:39,525 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 14:02:39,533 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2024-12-02 14:02:39,533 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 14:02:39,533 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:02:39,535 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 14:02:39,536 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2024-12-02 14:02:39,537 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 14:02:39,550 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 14:02:39,550 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-12-02 14:02:39,550 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 14:02:39,550 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 14:02:39,550 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 14:02:39,551 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-12-02 14:02:39,551 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-12-02 14:02:39,552 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 14:02:39,559 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2024-12-02 14:02:39,560 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 14:02:39,560 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:02:39,561 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 14:02:39,562 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2024-12-02 14:02:39,564 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 14:02:39,574 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 14:02:39,574 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-12-02 14:02:39,575 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 14:02:39,575 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 14:02:39,575 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 14:02:39,575 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-12-02 14:02:39,575 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-12-02 14:02:39,577 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 14:02:39,585 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2024-12-02 14:02:39,585 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 14:02:39,585 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:02:39,587 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 14:02:39,587 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2024-12-02 14:02:39,589 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 14:02:39,600 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 14:02:39,600 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-12-02 14:02:39,600 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 14:02:39,600 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 14:02:39,600 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 14:02:39,601 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-12-02 14:02:39,601 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-12-02 14:02:39,602 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 14:02:39,607 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2024-12-02 14:02:39,608 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 14:02:39,608 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:02:39,609 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 14:02:39,610 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2024-12-02 14:02:39,612 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 14:02:39,622 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 14:02:39,622 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-12-02 14:02:39,622 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 14:02:39,623 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 14:02:39,623 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 14:02:39,623 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-12-02 14:02:39,623 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-12-02 14:02:39,624 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 14:02:39,630 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2024-12-02 14:02:39,630 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 14:02:39,630 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:02:39,632 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 14:02:39,632 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2024-12-02 14:02:39,634 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 14:02:39,645 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 14:02:39,645 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 14:02:39,645 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 14:02:39,645 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 14:02:39,648 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-12-02 14:02:39,648 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-12-02 14:02:39,652 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 14:02:39,660 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2024-12-02 14:02:39,660 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 14:02:39,660 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:02:39,662 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 14:02:39,663 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2024-12-02 14:02:39,664 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 14:02:39,675 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 14:02:39,675 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 14:02:39,675 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 14:02:39,676 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 14:02:39,678 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-12-02 14:02:39,678 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-12-02 14:02:39,683 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 14:02:39,692 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2024-12-02 14:02:39,692 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 14:02:39,692 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:02:39,694 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 14:02:39,695 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2024-12-02 14:02:39,696 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 14:02:39,710 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 14:02:39,710 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 14:02:39,710 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 14:02:39,710 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 14:02:39,713 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-12-02 14:02:39,713 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-12-02 14:02:39,716 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 14:02:39,721 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2024-12-02 14:02:39,721 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 14:02:39,721 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:02:39,723 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 14:02:39,724 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2024-12-02 14:02:39,725 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 14:02:39,736 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 14:02:39,736 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 14:02:39,737 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 14:02:39,737 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 14:02:39,739 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-12-02 14:02:39,739 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-12-02 14:02:39,743 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 14:02:39,748 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2024-12-02 14:02:39,749 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 14:02:39,749 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:02:39,750 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 14:02:39,751 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2024-12-02 14:02:39,753 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 14:02:39,764 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 14:02:39,764 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 14:02:39,764 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 14:02:39,764 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 14:02:39,766 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-12-02 14:02:39,766 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-12-02 14:02:39,771 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 14:02:39,779 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2024-12-02 14:02:39,779 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 14:02:39,779 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:02:39,781 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 14:02:39,782 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2024-12-02 14:02:39,783 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 14:02:39,794 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 14:02:39,794 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 14:02:39,794 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 14:02:39,794 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 14:02:39,796 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-12-02 14:02:39,796 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-12-02 14:02:39,801 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 14:02:39,810 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2024-12-02 14:02:39,810 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 14:02:39,810 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:02:39,812 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 14:02:39,813 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2024-12-02 14:02:39,814 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 14:02:39,828 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 14:02:39,828 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-12-02 14:02:39,828 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 14:02:39,828 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 14:02:39,828 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 14:02:39,829 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-12-02 14:02:39,829 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-12-02 14:02:39,830 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 14:02:39,838 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2024-12-02 14:02:39,839 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 14:02:39,839 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:02:39,840 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 14:02:39,841 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2024-12-02 14:02:39,843 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 14:02:39,853 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 14:02:39,853 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 14:02:39,853 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 14:02:39,853 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 14:02:39,856 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-12-02 14:02:39,856 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-12-02 14:02:39,859 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 14:02:39,865 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2024-12-02 14:02:39,865 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 14:02:39,865 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:02:39,867 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 14:02:39,868 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2024-12-02 14:02:39,869 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 14:02:39,880 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 14:02:39,880 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 14:02:39,880 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 14:02:39,880 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 14:02:39,882 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-12-02 14:02:39,882 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-12-02 14:02:39,885 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 14:02:39,890 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2024-12-02 14:02:39,890 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 14:02:39,891 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:02:39,892 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 14:02:39,893 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2024-12-02 14:02:39,894 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 14:02:39,905 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 14:02:39,906 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 14:02:39,906 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 14:02:39,906 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 14:02:39,913 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-12-02 14:02:39,913 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-12-02 14:02:39,924 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-12-02 14:02:39,942 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2024-12-02 14:02:39,944 INFO L444 ModelExtractionUtils]: 6 out of 16 variables were initially zero. Simplification set additionally 6 variables to zero. [2024-12-02 14:02:39,946 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 14:02:39,946 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:02:39,947 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 14:02:39,948 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2024-12-02 14:02:39,949 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-12-02 14:02:39,961 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2024-12-02 14:02:39,961 INFO L474 LassoAnalysis]: Proved termination. [2024-12-02 14:02:39,961 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_~j~0#1) = 1*v_rep(select #length ULTIMATE.start_main_~#v~0#1.base)_1 - 4*ULTIMATE.start_main_~j~0#1 Supporting invariants [1*ULTIMATE.start_main_~#v~0#1.offset >= 0] [2024-12-02 14:02:39,970 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2024-12-02 14:02:39,987 INFO L156 tatePredicateManager]: 5 out of 6 supporting invariants were superfluous and have been removed [2024-12-02 14:02:39,995 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-12-02 14:02:39,995 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-12-02 14:02:40,019 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:02:40,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:02:40,037 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 14:02:40,038 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:02:40,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:02:40,054 INFO L256 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-02 14:02:40,054 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:02:40,070 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 14:02:40,089 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 14:02:40,090 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 25 states, 24 states have (on average 1.5) internal successors, (36), 24 states have internal predecessors, (36), 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 14:02:40,135 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 25 states, 24 states have (on average 1.5) internal successors, (36), 24 states have internal predecessors, (36), 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 50 states and 71 transitions. Complement of second has 6 states. [2024-12-02 14:02:40,137 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 14:02:40,141 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 14:02:40,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 37 transitions. [2024-12-02 14:02:40,147 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 37 transitions. Stem has 3 letters. Loop has 2 letters. [2024-12-02 14:02:40,148 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-12-02 14:02:40,148 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 37 transitions. Stem has 5 letters. Loop has 2 letters. [2024-12-02 14:02:40,148 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-12-02 14:02:40,148 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 37 transitions. Stem has 3 letters. Loop has 4 letters. [2024-12-02 14:02:40,148 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-12-02 14:02:40,149 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 50 states and 71 transitions. [2024-12-02 14:02:40,151 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 14 [2024-12-02 14:02:40,154 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 50 states to 22 states and 31 transitions. [2024-12-02 14:02:40,154 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 19 [2024-12-02 14:02:40,155 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2024-12-02 14:02:40,155 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 31 transitions. [2024-12-02 14:02:40,155 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-12-02 14:02:40,155 INFO L218 hiAutomatonCegarLoop]: Abstraction has 22 states and 31 transitions. [2024-12-02 14:02:40,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states and 31 transitions. [2024-12-02 14:02:40,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2024-12-02 14:02:40,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 22 states have (on average 1.4090909090909092) internal successors, (31), 21 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 14:02:40,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 31 transitions. [2024-12-02 14:02:40,174 INFO L240 hiAutomatonCegarLoop]: Abstraction has 22 states and 31 transitions. [2024-12-02 14:02:40,174 INFO L425 stractBuchiCegarLoop]: Abstraction has 22 states and 31 transitions. [2024-12-02 14:02:40,174 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-12-02 14:02:40,175 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 31 transitions. [2024-12-02 14:02:40,175 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 14 [2024-12-02 14:02:40,175 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-12-02 14:02:40,175 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-12-02 14:02:40,176 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2024-12-02 14:02:40,176 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-12-02 14:02:40,176 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(21, 2);call #Ultimate.allocInit(12, 3);" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~post6#1, main_#t~mem7#1, main_#t~mem8#1, main_#t~short9#1, main_#t~mem10#1, main_#t~post11#1, main_#t~mem12#1, main_#t~mem13#1, main_#t~post14#1, main_~SIZE~0#1, main_~i~0#1, main_~j~0#1, main_~k~0#1, main_~key~0#1, main_~#v~0#1.base, main_~#v~0#1.offset;havoc main_#t~nondet4#1;main_~SIZE~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !((if main_~SIZE~0#1 % 4294967296 % 18446744073709551616 <= 9223372036854775807 then main_~SIZE~0#1 % 4294967296 % 18446744073709551616 else main_~SIZE~0#1 % 4294967296 % 18446744073709551616 - 18446744073709551616) >= 1000000000);havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~k~0#1;havoc main_~key~0#1;call main_~#v~0#1.base, main_~#v~0#1.offset := #Ultimate.allocOnStack(4 * main_~SIZE~0#1 % 4294967296);main_~j~0#1 := 0;" "assume !(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);" "main_~j~0#1 := 1;" [2024-12-02 14:02:40,176 INFO L749 eck$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 14:02:40,176 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:02:40,176 INFO L85 PathProgramCache]: Analyzing trace with hash 28695946, now seen corresponding path program 1 times [2024-12-02 14:02:40,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 14:02:40,176 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [284529489] [2024-12-02 14:02:40,177 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:02:40,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:02:40,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 14:02:40,188 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 14:02:40,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 14:02:40,198 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 14:02:40,198 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:02:40,199 INFO L85 PathProgramCache]: Analyzing trace with hash 1759463, now seen corresponding path program 1 times [2024-12-02 14:02:40,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 14:02:40,199 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2145184697] [2024-12-02 14:02:40,199 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:02:40,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:02:40,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:02:40,224 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-12-02 14:02:40,225 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2145184697] [2024-12-02 14:02:40,225 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2145184697] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 14:02:40,225 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [514010546] [2024-12-02 14:02:40,225 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:02:40,225 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 14:02:40,225 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:02:40,227 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 14:02:40,231 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-12-02 14:02:40,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:02:40,263 INFO L256 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 14:02:40,263 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:02:40,264 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 14:02:40,266 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [514010546] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 14:02:40,266 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 14:02:40,266 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2, 2, 2] total 2 [2024-12-02 14:02:40,266 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1615748035] [2024-12-02 14:02:40,267 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 14:02:40,268 INFO L764 eck$LassoCheckResult]: loop already infeasible [2024-12-02 14:02:40,268 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-12-02 14:02:40,269 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 14:02:40,269 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 14:02:40,270 INFO L87 Difference]: Start difference. First operand 22 states and 31 transitions. cyclomatic complexity: 12 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 14:02:40,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:02:40,273 INFO L93 Difference]: Finished difference Result 21 states and 27 transitions. [2024-12-02 14:02:40,273 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 27 transitions. [2024-12-02 14:02:40,274 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 12 [2024-12-02 14:02:40,274 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 20 states and 26 transitions. [2024-12-02 14:02:40,274 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18 [2024-12-02 14:02:40,274 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2024-12-02 14:02:40,274 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 26 transitions. [2024-12-02 14:02:40,275 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-12-02 14:02:40,275 INFO L218 hiAutomatonCegarLoop]: Abstraction has 20 states and 26 transitions. [2024-12-02 14:02:40,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 26 transitions. [2024-12-02 14:02:40,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2024-12-02 14:02:40,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 20 states have (on average 1.3) internal successors, (26), 19 states have internal predecessors, (26), 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 14:02:40,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 26 transitions. [2024-12-02 14:02:40,276 INFO L240 hiAutomatonCegarLoop]: Abstraction has 20 states and 26 transitions. [2024-12-02 14:02:40,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 14:02:40,277 INFO L425 stractBuchiCegarLoop]: Abstraction has 20 states and 26 transitions. [2024-12-02 14:02:40,277 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-12-02 14:02:40,277 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 26 transitions. [2024-12-02 14:02:40,278 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 12 [2024-12-02 14:02:40,278 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-12-02 14:02:40,278 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-12-02 14:02:40,278 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2024-12-02 14:02:40,278 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2024-12-02 14:02:40,278 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 14:02:40,278 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 14:02:40,279 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:02:40,279 INFO L85 PathProgramCache]: Analyzing trace with hash 28695946, now seen corresponding path program 2 times [2024-12-02 14:02:40,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 14:02:40,279 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1960816625] [2024-12-02 14:02:40,279 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:02:40,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:02:40,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 14:02:40,289 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 14:02:40,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 14:02:40,298 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 14:02:40,299 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:02:40,299 INFO L85 PathProgramCache]: Analyzing trace with hash 1690200596, now seen corresponding path program 1 times [2024-12-02 14:02:40,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 14:02:40,299 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [809709061] [2024-12-02 14:02:40,299 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:02:40,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:02:40,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 14:02:40,311 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 14:02:40,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 14:02:40,322 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 14:02:40,322 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:02:40,322 INFO L85 PathProgramCache]: Analyzing trace with hash -1693434659, now seen corresponding path program 1 times [2024-12-02 14:02:40,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 14:02:40,322 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [519571634] [2024-12-02 14:02:40,322 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:02:40,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:02:40,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:02:40,434 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2024-12-02 14:02:40,489 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-12-02 14:02:40,489 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [519571634] [2024-12-02 14:02:40,489 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [519571634] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 14:02:40,489 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [325449742] [2024-12-02 14:02:40,489 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:02:40,489 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 14:02:40,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:02:40,491 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 14:02:40,492 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-12-02 14:02:40,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:02:40,536 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-02 14:02:40,537 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:02:40,555 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 14:02:40,590 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [325449742] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 14:02:40,590 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 14:02:40,590 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 6 [2024-12-02 14:02:40,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [465437558] [2024-12-02 14:02:40,590 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 14:02:40,720 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-12-02 14:02:40,721 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 14:02:40,721 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-12-02 14:02:40,721 INFO L87 Difference]: Start difference. First operand 20 states and 26 transitions. cyclomatic complexity: 9 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 14:02:40,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:02:40,760 INFO L93 Difference]: Finished difference Result 25 states and 30 transitions. [2024-12-02 14:02:40,760 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 25 states and 30 transitions. [2024-12-02 14:02:40,761 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 12 [2024-12-02 14:02:40,761 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 25 states to 21 states and 26 transitions. [2024-12-02 14:02:40,761 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18 [2024-12-02 14:02:40,761 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2024-12-02 14:02:40,762 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 26 transitions. [2024-12-02 14:02:40,762 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-12-02 14:02:40,762 INFO L218 hiAutomatonCegarLoop]: Abstraction has 21 states and 26 transitions. [2024-12-02 14:02:40,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states and 26 transitions. [2024-12-02 14:02:40,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 20. [2024-12-02 14:02:40,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 20 states have (on average 1.25) internal successors, (25), 19 states have internal predecessors, (25), 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 14:02:40,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 25 transitions. [2024-12-02 14:02:40,763 INFO L240 hiAutomatonCegarLoop]: Abstraction has 20 states and 25 transitions. [2024-12-02 14:02:40,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 14:02:40,764 INFO L425 stractBuchiCegarLoop]: Abstraction has 20 states and 25 transitions. [2024-12-02 14:02:40,764 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-12-02 14:02:40,764 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 25 transitions. [2024-12-02 14:02:40,764 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 12 [2024-12-02 14:02:40,764 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-12-02 14:02:40,764 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-12-02 14:02:40,765 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:02:40,765 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2024-12-02 14:02:40,765 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 14:02:40,765 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 14:02:40,765 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:02:40,765 INFO L85 PathProgramCache]: Analyzing trace with hash 1806937390, now seen corresponding path program 1 times [2024-12-02 14:02:40,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 14:02:40,765 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1777700388] [2024-12-02 14:02:40,766 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:02:40,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:02:40,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 14:02:40,779 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 14:02:40,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 14:02:40,790 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 14:02:40,790 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:02:40,791 INFO L85 PathProgramCache]: Analyzing trace with hash 1690200596, now seen corresponding path program 2 times [2024-12-02 14:02:40,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 14:02:40,791 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1849052313] [2024-12-02 14:02:40,791 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:02:40,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:02:40,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 14:02:40,800 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 14:02:40,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 14:02:40,808 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 14:02:40,808 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:02:40,809 INFO L85 PathProgramCache]: Analyzing trace with hash -525024895, now seen corresponding path program 1 times [2024-12-02 14:02:40,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 14:02:40,809 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1775747039] [2024-12-02 14:02:40,809 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:02:40,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:02:40,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:02:40,973 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-12-02 14:02:40,973 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1775747039] [2024-12-02 14:02:40,973 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1775747039] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 14:02:40,973 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [736295991] [2024-12-02 14:02:40,973 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:02:40,973 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 14:02:40,973 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:02:40,975 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 14:02:40,977 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-12-02 14:02:41,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:02:41,027 INFO L256 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-02 14:02:41,028 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:02:41,052 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 14:02:41,115 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [736295991] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 14:02:41,115 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 14:02:41,115 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 10 [2024-12-02 14:02:41,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1166158583] [2024-12-02 14:02:41,115 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 14:02:41,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-12-02 14:02:41,255 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-12-02 14:02:41,255 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2024-12-02 14:02:41,255 INFO L87 Difference]: Start difference. First operand 20 states and 25 transitions. cyclomatic complexity: 8 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 14:02:41,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:02:41,332 INFO L93 Difference]: Finished difference Result 38 states and 48 transitions. [2024-12-02 14:02:41,332 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 38 states and 48 transitions. [2024-12-02 14:02:41,333 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 21 [2024-12-02 14:02:41,334 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 38 states to 38 states and 48 transitions. [2024-12-02 14:02:41,334 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 33 [2024-12-02 14:02:41,334 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 33 [2024-12-02 14:02:41,334 INFO L73 IsDeterministic]: Start isDeterministic. Operand 38 states and 48 transitions. [2024-12-02 14:02:41,334 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-12-02 14:02:41,334 INFO L218 hiAutomatonCegarLoop]: Abstraction has 38 states and 48 transitions. [2024-12-02 14:02:41,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states and 48 transitions. [2024-12-02 14:02:41,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 24. [2024-12-02 14:02:41,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 24 states have (on average 1.25) internal successors, (30), 23 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 14:02:41,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 30 transitions. [2024-12-02 14:02:41,337 INFO L240 hiAutomatonCegarLoop]: Abstraction has 24 states and 30 transitions. [2024-12-02 14:02:41,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 14:02:41,338 INFO L425 stractBuchiCegarLoop]: Abstraction has 24 states and 30 transitions. [2024-12-02 14:02:41,338 INFO L332 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2024-12-02 14:02:41,338 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 24 states and 30 transitions. [2024-12-02 14:02:41,338 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 12 [2024-12-02 14:02:41,338 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-12-02 14:02:41,338 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-12-02 14:02:41,339 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1] [2024-12-02 14:02:41,339 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2024-12-02 14:02:41,339 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 14:02:41,339 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 14:02:41,339 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:02:41,339 INFO L85 PathProgramCache]: Analyzing trace with hash 1299981266, now seen corresponding path program 2 times [2024-12-02 14:02:41,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 14:02:41,340 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2042459444] [2024-12-02 14:02:41,340 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:02:41,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:02:41,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 14:02:41,355 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 14:02:41,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 14:02:41,369 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 14:02:41,369 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:02:41,369 INFO L85 PathProgramCache]: Analyzing trace with hash 1690200596, now seen corresponding path program 3 times [2024-12-02 14:02:41,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 14:02:41,369 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1243041703] [2024-12-02 14:02:41,370 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:02:41,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:02:41,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 14:02:41,378 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 14:02:41,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 14:02:41,385 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 14:02:41,385 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:02:41,385 INFO L85 PathProgramCache]: Analyzing trace with hash 1330294053, now seen corresponding path program 2 times [2024-12-02 14:02:41,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 14:02:41,386 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [202429347] [2024-12-02 14:02:41,386 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:02:41,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:02:41,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 14:02:41,404 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 14:02:41,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 14:02:41,419 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 14:02:41,853 INFO L204 LassoAnalysis]: Preferences: [2024-12-02 14:02:41,853 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-12-02 14:02:41,853 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-12-02 14:02:41,853 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-12-02 14:02:41,853 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-12-02 14:02:41,853 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 14:02:41,853 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-12-02 14:02:41,853 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-12-02 14:02:41,853 INFO L132 ssoRankerPreferences]: Filename of dumped script: insertion_sort-1-2.c_Iteration5_Lasso [2024-12-02 14:02:41,853 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-12-02 14:02:41,853 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-12-02 14:02:41,856 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 14:02:41,858 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 14:02:41,861 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 14:02:41,863 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 14:02:42,140 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 14:02:42,142 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 14:02:42,144 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 14:02:42,146 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 14:02:42,156 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 14:02:42,159 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 14:02:42,161 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 14:02:42,163 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 14:02:42,165 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 14:02:42,167 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 14:02:42,169 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 14:02:42,170 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 14:02:42,172 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 14:02:42,484 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-12-02 14:02:42,484 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-12-02 14:02:42,485 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 14:02:42,485 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:02:42,487 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 14:02:42,489 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2024-12-02 14:02:42,490 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 14:02:42,501 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 14:02:42,501 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-12-02 14:02:42,501 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 14:02:42,501 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 14:02:42,501 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 14:02:42,502 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-12-02 14:02:42,502 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-12-02 14:02:42,503 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 14:02:42,508 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2024-12-02 14:02:42,508 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 14:02:42,508 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:02:42,509 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 14:02:42,510 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2024-12-02 14:02:42,512 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 14:02:42,523 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 14:02:42,523 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-12-02 14:02:42,523 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 14:02:42,523 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 14:02:42,523 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 14:02:42,523 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-12-02 14:02:42,523 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-12-02 14:02:42,525 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 14:02:42,529 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2024-12-02 14:02:42,530 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 14:02:42,530 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:02:42,531 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 14:02:42,534 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2024-12-02 14:02:42,534 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 14:02:42,547 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 14:02:42,547 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-12-02 14:02:42,547 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 14:02:42,547 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 14:02:42,547 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 14:02:42,548 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-12-02 14:02:42,548 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-12-02 14:02:42,549 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 14:02:42,554 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2024-12-02 14:02:42,554 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 14:02:42,554 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:02:42,556 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 14:02:42,556 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2024-12-02 14:02:42,558 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 14:02:42,568 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 14:02:42,568 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 14:02:42,568 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 14:02:42,568 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 14:02:42,570 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-12-02 14:02:42,570 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-12-02 14:02:42,573 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 14:02:42,578 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2024-12-02 14:02:42,578 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 14:02:42,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:02:42,580 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 14:02:42,580 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2024-12-02 14:02:42,582 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 14:02:42,593 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 14:02:42,593 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 14:02:42,593 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 14:02:42,593 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 14:02:42,594 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-12-02 14:02:42,594 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-12-02 14:02:42,597 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 14:02:42,603 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2024-12-02 14:02:42,603 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 14:02:42,603 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:02:42,604 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 14:02:42,605 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2024-12-02 14:02:42,607 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 14:02:42,617 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 14:02:42,617 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 14:02:42,617 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 14:02:42,617 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 14:02:42,619 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-12-02 14:02:42,619 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-12-02 14:02:42,623 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 14:02:42,631 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2024-12-02 14:02:42,631 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 14:02:42,631 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:02:42,632 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 14:02:42,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2024-12-02 14:02:42,634 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 14:02:42,646 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 14:02:42,646 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 14:02:42,646 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 14:02:42,646 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 14:02:42,648 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-12-02 14:02:42,648 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-12-02 14:02:42,651 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 14:02:42,656 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2024-12-02 14:02:42,656 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 14:02:42,656 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:02:42,658 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 14:02:42,659 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2024-12-02 14:02:42,660 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 14:02:42,671 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 14:02:42,671 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 14:02:42,671 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 14:02:42,671 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 14:02:42,673 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-12-02 14:02:42,673 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-12-02 14:02:42,676 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 14:02:42,681 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2024-12-02 14:02:42,681 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 14:02:42,681 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:02:42,683 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 14:02:42,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2024-12-02 14:02:42,685 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 14:02:42,696 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 14:02:42,696 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 14:02:42,696 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 14:02:42,696 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 14:02:42,697 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-12-02 14:02:42,697 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-12-02 14:02:42,700 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 14:02:42,705 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2024-12-02 14:02:42,706 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 14:02:42,706 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:02:42,707 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 14:02:42,708 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2024-12-02 14:02:42,709 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 14:02:42,720 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 14:02:42,720 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 14:02:42,720 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 14:02:42,720 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 14:02:42,727 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-12-02 14:02:42,727 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-12-02 14:02:42,744 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-12-02 14:02:42,776 INFO L443 ModelExtractionUtils]: Simplification made 13 calls to the SMT solver. [2024-12-02 14:02:42,776 INFO L444 ModelExtractionUtils]: 4 out of 16 variables were initially zero. Simplification set additionally 8 variables to zero. [2024-12-02 14:02:42,776 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 14:02:42,776 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:02:42,778 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 14:02:42,779 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2024-12-02 14:02:42,780 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-12-02 14:02:42,795 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-12-02 14:02:42,795 INFO L474 LassoAnalysis]: Proved termination. [2024-12-02 14:02:42,795 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~j~0#1, ULTIMATE.start_main_~#v~0#1.offset, v_rep(select #length ULTIMATE.start_main_~#v~0#1.base)_2) = -4*ULTIMATE.start_main_~j~0#1 - 1*ULTIMATE.start_main_~#v~0#1.offset + 1*v_rep(select #length ULTIMATE.start_main_~#v~0#1.base)_2 Supporting invariants [] [2024-12-02 14:02:42,803 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2024-12-02 14:02:42,821 INFO L156 tatePredicateManager]: 6 out of 6 supporting invariants were superfluous and have been removed [2024-12-02 14:02:42,822 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#v~0!offset [2024-12-02 14:02:42,823 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-12-02 14:02:42,823 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-12-02 14:02:42,833 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:02:42,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:02:42,851 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 14:02:42,851 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:02:42,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:02:42,872 INFO L256 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-02 14:02:42,872 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:02:42,900 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 14:02:42,901 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 14:02:42,901 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 24 states and 30 transitions. cyclomatic complexity: 9 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 14:02:42,930 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 24 states and 30 transitions. cyclomatic complexity: 9. 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 32 states and 43 transitions. Complement of second has 7 states. [2024-12-02 14:02:42,931 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 14:02:42,932 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 14:02:42,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 18 transitions. [2024-12-02 14:02:42,932 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 9 letters. Loop has 6 letters. [2024-12-02 14:02:42,932 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-12-02 14:02:42,932 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 15 letters. Loop has 6 letters. [2024-12-02 14:02:42,932 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-12-02 14:02:42,933 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 9 letters. Loop has 12 letters. [2024-12-02 14:02:42,933 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-12-02 14:02:42,933 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 32 states and 43 transitions. [2024-12-02 14:02:42,934 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2024-12-02 14:02:42,934 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 32 states to 31 states and 42 transitions. [2024-12-02 14:02:42,934 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2024-12-02 14:02:42,934 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 19 [2024-12-02 14:02:42,934 INFO L73 IsDeterministic]: Start isDeterministic. Operand 31 states and 42 transitions. [2024-12-02 14:02:42,934 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-12-02 14:02:42,934 INFO L218 hiAutomatonCegarLoop]: Abstraction has 31 states and 42 transitions. [2024-12-02 14:02:42,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states and 42 transitions. [2024-12-02 14:02:42,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2024-12-02 14:02:42,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 31 states have (on average 1.3548387096774193) internal successors, (42), 30 states have internal predecessors, (42), 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 14:02:42,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 42 transitions. [2024-12-02 14:02:42,936 INFO L240 hiAutomatonCegarLoop]: Abstraction has 31 states and 42 transitions. [2024-12-02 14:02:42,936 INFO L425 stractBuchiCegarLoop]: Abstraction has 31 states and 42 transitions. [2024-12-02 14:02:42,936 INFO L332 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2024-12-02 14:02:42,936 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 31 states and 42 transitions. [2024-12-02 14:02:42,937 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2024-12-02 14:02:42,937 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-12-02 14:02:42,937 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-12-02 14:02:42,937 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:02:42,937 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-12-02 14:02:42,937 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 14:02:42,937 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 14:02:42,938 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:02:42,938 INFO L85 PathProgramCache]: Analyzing trace with hash 1300045167, now seen corresponding path program 1 times [2024-12-02 14:02:42,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 14:02:42,938 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [39650601] [2024-12-02 14:02:42,938 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:02:42,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:02:42,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 14:02:42,946 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 14:02:42,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 14:02:42,953 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 14:02:42,953 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:02:42,953 INFO L85 PathProgramCache]: Analyzing trace with hash 3021096, now seen corresponding path program 1 times [2024-12-02 14:02:42,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 14:02:42,953 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1208763458] [2024-12-02 14:02:42,953 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:02:42,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:02:42,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 14:02:42,960 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 14:02:42,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 14:02:42,965 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 14:02:42,966 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:02:42,966 INFO L85 PathProgramCache]: Analyzing trace with hash -438120554, now seen corresponding path program 1 times [2024-12-02 14:02:42,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 14:02:42,966 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [49196994] [2024-12-02 14:02:42,966 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:02:42,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:02:42,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:02:43,034 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2024-12-02 14:02:43,119 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-12-02 14:02:43,119 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [49196994] [2024-12-02 14:02:43,119 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [49196994] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 14:02:43,119 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [108382201] [2024-12-02 14:02:43,119 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:02:43,120 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 14:02:43,120 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:02:43,121 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 14:02:43,122 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2024-12-02 14:02:43,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:02:43,167 INFO L256 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-02 14:02:43,168 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:02:43,195 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 14:02:43,306 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [108382201] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 14:02:43,306 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 14:02:43,306 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 10 [2024-12-02 14:02:43,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [540980334] [2024-12-02 14:02:43,306 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 14:02:43,379 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-12-02 14:02:43,380 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-12-02 14:02:43,380 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-12-02 14:02:43,380 INFO L87 Difference]: Start difference. First operand 31 states and 42 transitions. cyclomatic complexity: 15 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 14:02:43,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:02:43,462 INFO L93 Difference]: Finished difference Result 47 states and 62 transitions. [2024-12-02 14:02:43,462 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 47 states and 62 transitions. [2024-12-02 14:02:43,464 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 14 [2024-12-02 14:02:43,464 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 47 states to 43 states and 57 transitions. [2024-12-02 14:02:43,464 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 23 [2024-12-02 14:02:43,464 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 23 [2024-12-02 14:02:43,465 INFO L73 IsDeterministic]: Start isDeterministic. Operand 43 states and 57 transitions. [2024-12-02 14:02:43,465 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-12-02 14:02:43,465 INFO L218 hiAutomatonCegarLoop]: Abstraction has 43 states and 57 transitions. [2024-12-02 14:02:43,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states and 57 transitions. [2024-12-02 14:02:43,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 29. [2024-12-02 14:02:43,467 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 14:02:43,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 38 transitions. [2024-12-02 14:02:43,467 INFO L240 hiAutomatonCegarLoop]: Abstraction has 29 states and 38 transitions. [2024-12-02 14:02:43,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 14:02:43,468 INFO L425 stractBuchiCegarLoop]: Abstraction has 29 states and 38 transitions. [2024-12-02 14:02:43,468 INFO L332 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2024-12-02 14:02:43,468 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 29 states and 38 transitions. [2024-12-02 14:02:43,469 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2024-12-02 14:02:43,469 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-12-02 14:02:43,469 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-12-02 14:02:43,469 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:02:43,469 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2024-12-02 14:02:43,469 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 14:02:43,469 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;" "assume main_~i~0#1 < 2;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);" "main_~i~0#1 := main_~i~0#1 - 1;" [2024-12-02 14:02:43,470 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:02:43,470 INFO L85 PathProgramCache]: Analyzing trace with hash -553485642, now seen corresponding path program 1 times [2024-12-02 14:02:43,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 14:02:43,470 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1783429841] [2024-12-02 14:02:43,470 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:02:43,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:02:43,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 14:02:43,482 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 14:02:43,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 14:02:43,492 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 14:02:43,493 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:02:43,493 INFO L85 PathProgramCache]: Analyzing trace with hash 62128332, now seen corresponding path program 1 times [2024-12-02 14:02:43,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 14:02:43,493 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1302146524] [2024-12-02 14:02:43,493 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:02:43,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:02:43,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 14:02:43,498 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 14:02:43,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 14:02:43,501 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 14:02:43,501 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:02:43,501 INFO L85 PathProgramCache]: Analyzing trace with hash -1710559433, now seen corresponding path program 1 times [2024-12-02 14:02:43,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 14:02:43,502 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [37742933] [2024-12-02 14:02:43,502 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:02:43,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:02:43,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 14:02:43,517 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 14:02:43,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 14:02:43,528 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 14:02:44,008 INFO L204 LassoAnalysis]: Preferences: [2024-12-02 14:02:44,008 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-12-02 14:02:44,008 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-12-02 14:02:44,008 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-12-02 14:02:44,008 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-12-02 14:02:44,008 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 14:02:44,008 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-12-02 14:02:44,008 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-12-02 14:02:44,008 INFO L132 ssoRankerPreferences]: Filename of dumped script: insertion_sort-1-2.c_Iteration7_Lasso [2024-12-02 14:02:44,008 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-12-02 14:02:44,008 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-12-02 14:02:44,010 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 14:02:44,012 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 14:02:44,014 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 14:02:44,022 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 14:02:44,024 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 14:02:44,026 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 14:02:44,028 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 14:02:44,029 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 14:02:44,281 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 14:02:44,283 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 14:02:44,285 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 14:02:44,287 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 14:02:44,291 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 14:02:44,293 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 14:02:44,295 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 14:02:44,297 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 14:02:44,560 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-12-02 14:02:44,560 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-12-02 14:02:44,560 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 14:02:44,560 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:02:44,561 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 14:02:44,562 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2024-12-02 14:02:44,564 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 14:02:44,574 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 14:02:44,575 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-12-02 14:02:44,575 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 14:02:44,575 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 14:02:44,575 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 14:02:44,575 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-12-02 14:02:44,575 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-12-02 14:02:44,576 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 14:02:44,581 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2024-12-02 14:02:44,581 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 14:02:44,581 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:02:44,583 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 14:02:44,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2024-12-02 14:02:44,585 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 14:02:44,595 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 14:02:44,596 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-12-02 14:02:44,596 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 14:02:44,596 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 14:02:44,596 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 14:02:44,596 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-12-02 14:02:44,596 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-12-02 14:02:44,597 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 14:02:44,602 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2024-12-02 14:02:44,602 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 14:02:44,602 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:02:44,604 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 14:02:44,604 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2024-12-02 14:02:44,605 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 14:02:44,616 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 14:02:44,616 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 14:02:44,616 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 14:02:44,616 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 14:02:44,618 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-12-02 14:02:44,618 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-12-02 14:02:44,621 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 14:02:44,628 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2024-12-02 14:02:44,628 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 14:02:44,629 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:02:44,630 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 14:02:44,631 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2024-12-02 14:02:44,632 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 14:02:44,643 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 14:02:44,643 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 14:02:44,643 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 14:02:44,643 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 14:02:44,644 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-12-02 14:02:44,644 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-12-02 14:02:44,647 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 14:02:44,653 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2024-12-02 14:02:44,653 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 14:02:44,653 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:02:44,655 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 14:02:44,655 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2024-12-02 14:02:44,657 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 14:02:44,668 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 14:02:44,668 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-12-02 14:02:44,668 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 14:02:44,668 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 14:02:44,668 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 14:02:44,668 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-12-02 14:02:44,668 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-12-02 14:02:44,670 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 14:02:44,674 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2024-12-02 14:02:44,675 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 14:02:44,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:02:44,676 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 14:02:44,677 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2024-12-02 14:02:44,678 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 14:02:44,689 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 14:02:44,689 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-12-02 14:02:44,689 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 14:02:44,689 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 14:02:44,689 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 14:02:44,690 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-12-02 14:02:44,690 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-12-02 14:02:44,691 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 14:02:44,696 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2024-12-02 14:02:44,696 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 14:02:44,696 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:02:44,698 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 14:02:44,698 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2024-12-02 14:02:44,700 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 14:02:44,713 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 14:02:44,713 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-12-02 14:02:44,713 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 14:02:44,713 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 14:02:44,713 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 14:02:44,714 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-12-02 14:02:44,714 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-12-02 14:02:44,715 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 14:02:44,720 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2024-12-02 14:02:44,720 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 14:02:44,720 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:02:44,722 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 14:02:44,722 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2024-12-02 14:02:44,723 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 14:02:44,734 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 14:02:44,734 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-12-02 14:02:44,734 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 14:02:44,734 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 14:02:44,734 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 14:02:44,735 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-12-02 14:02:44,735 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-12-02 14:02:44,736 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 14:02:44,741 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2024-12-02 14:02:44,741 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 14:02:44,741 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:02:44,742 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 14:02:44,743 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2024-12-02 14:02:44,744 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-12-02 14:02:44,755 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 14:02:44,755 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 14:02:44,755 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 14:02:44,756 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 14:02:44,759 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-12-02 14:02:44,759 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-12-02 14:02:44,770 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-12-02 14:02:44,782 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2024-12-02 14:02:44,783 INFO L444 ModelExtractionUtils]: 7 out of 16 variables were initially zero. Simplification set additionally 6 variables to zero. [2024-12-02 14:02:44,783 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 14:02:44,783 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:02:44,784 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 14:02:44,785 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2024-12-02 14:02:44,786 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-12-02 14:02:44,801 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-12-02 14:02:44,801 INFO L474 LassoAnalysis]: Proved termination. [2024-12-02 14:02:44,801 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 14:02:44,807 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2024-12-02 14:02:44,818 INFO L156 tatePredicateManager]: 5 out of 5 supporting invariants were superfluous and have been removed [2024-12-02 14:02:44,831 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:02:44,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:02:44,848 INFO L256 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 14:02:44,848 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:02:44,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:02:44,869 INFO L256 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-02 14:02:44,869 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:02:44,915 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 14:02:44,915 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 14:02:44,915 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 29 states and 38 transitions. cyclomatic complexity: 13 Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 14:02:44,957 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 29 states and 38 transitions. cyclomatic complexity: 13. Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 58 states and 78 transitions. Complement of second has 9 states. [2024-12-02 14:02:44,957 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 14:02:44,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 14:02:44,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 19 transitions. [2024-12-02 14:02:44,958 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 19 transitions. Stem has 11 letters. Loop has 5 letters. [2024-12-02 14:02:44,958 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-12-02 14:02:44,958 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 19 transitions. Stem has 16 letters. Loop has 5 letters. [2024-12-02 14:02:44,959 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-12-02 14:02:44,959 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 19 transitions. Stem has 11 letters. Loop has 10 letters. [2024-12-02 14:02:44,959 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-12-02 14:02:44,959 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 58 states and 78 transitions. [2024-12-02 14:02:44,960 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2024-12-02 14:02:44,960 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 58 states to 41 states and 53 transitions. [2024-12-02 14:02:44,960 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2024-12-02 14:02:44,960 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2024-12-02 14:02:44,960 INFO L73 IsDeterministic]: Start isDeterministic. Operand 41 states and 53 transitions. [2024-12-02 14:02:44,960 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-12-02 14:02:44,960 INFO L218 hiAutomatonCegarLoop]: Abstraction has 41 states and 53 transitions. [2024-12-02 14:02:44,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states and 53 transitions. [2024-12-02 14:02:44,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 37. [2024-12-02 14:02:44,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 37 states have (on average 1.3243243243243243) internal successors, (49), 36 states have internal predecessors, (49), 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 14:02:44,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 49 transitions. [2024-12-02 14:02:44,962 INFO L240 hiAutomatonCegarLoop]: Abstraction has 37 states and 49 transitions. [2024-12-02 14:02:44,963 INFO L425 stractBuchiCegarLoop]: Abstraction has 37 states and 49 transitions. [2024-12-02 14:02:44,963 INFO L332 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2024-12-02 14:02:44,963 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 37 states and 49 transitions. [2024-12-02 14:02:44,963 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2024-12-02 14:02:44,963 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-12-02 14:02:44,963 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-12-02 14:02:44,963 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:02:44,963 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2024-12-02 14:02:44,964 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 14:02:44,964 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;" "assume main_~i~0#1 < 2;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);" "main_~i~0#1 := main_~i~0#1 - 1;" [2024-12-02 14:02:44,964 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:02:44,964 INFO L85 PathProgramCache]: Analyzing trace with hash -1485821365, now seen corresponding path program 1 times [2024-12-02 14:02:44,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 14:02:44,964 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1565491136] [2024-12-02 14:02:44,964 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:02:44,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:02:44,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:02:45,032 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-12-02 14:02:45,032 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1565491136] [2024-12-02 14:02:45,032 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1565491136] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 14:02:45,033 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1213860630] [2024-12-02 14:02:45,033 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:02:45,033 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 14:02:45,033 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:02:45,035 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 14:02:45,036 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Waiting until timeout for monitored process [2024-12-02 14:02:45,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:02:45,092 INFO L256 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-02 14:02:45,093 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:02:45,107 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 14:02:45,117 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1213860630] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 14:02:45,117 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 14:02:45,117 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 8 [2024-12-02 14:02:45,118 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2059072296] [2024-12-02 14:02:45,118 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 14:02:45,118 INFO L752 eck$LassoCheckResult]: stem already infeasible [2024-12-02 14:02:45,118 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:02:45,118 INFO L85 PathProgramCache]: Analyzing trace with hash 62128332, now seen corresponding path program 2 times [2024-12-02 14:02:45,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 14:02:45,118 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1184590816] [2024-12-02 14:02:45,118 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:02:45,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:02:45,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 14:02:45,123 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 14:02:45,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 14:02:45,127 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 14:02:45,221 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-12-02 14:02:45,221 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 14:02:45,221 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-12-02 14:02:45,221 INFO L87 Difference]: Start difference. First operand 37 states and 49 transitions. cyclomatic complexity: 17 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 14:02:45,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:02:45,296 INFO L93 Difference]: Finished difference Result 57 states and 74 transitions. [2024-12-02 14:02:45,296 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 57 states and 74 transitions. [2024-12-02 14:02:45,296 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 10 [2024-12-02 14:02:45,298 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 57 states to 57 states and 74 transitions. [2024-12-02 14:02:45,298 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 22 [2024-12-02 14:02:45,298 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 22 [2024-12-02 14:02:45,298 INFO L73 IsDeterministic]: Start isDeterministic. Operand 57 states and 74 transitions. [2024-12-02 14:02:45,298 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-12-02 14:02:45,298 INFO L218 hiAutomatonCegarLoop]: Abstraction has 57 states and 74 transitions. [2024-12-02 14:02:45,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states and 74 transitions. [2024-12-02 14:02:45,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 44. [2024-12-02 14:02:45,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 44 states have (on average 1.2954545454545454) internal successors, (57), 43 states have internal predecessors, (57), 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 14:02:45,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 57 transitions. [2024-12-02 14:02:45,302 INFO L240 hiAutomatonCegarLoop]: Abstraction has 44 states and 57 transitions. [2024-12-02 14:02:45,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 14:02:45,303 INFO L425 stractBuchiCegarLoop]: Abstraction has 44 states and 57 transitions. [2024-12-02 14:02:45,303 INFO L332 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2024-12-02 14:02:45,303 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 44 states and 57 transitions. [2024-12-02 14:02:45,303 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2024-12-02 14:02:45,303 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-12-02 14:02:45,303 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-12-02 14:02:45,304 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:02:45,304 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-12-02 14:02:45,304 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 14:02:45,304 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 14:02:45,304 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:02:45,304 INFO L85 PathProgramCache]: Analyzing trace with hash -1487668314, now seen corresponding path program 1 times [2024-12-02 14:02:45,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 14:02:45,304 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [996723300] [2024-12-02 14:02:45,304 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:02:45,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:02:45,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 14:02:45,316 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 14:02:45,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 14:02:45,327 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 14:02:45,327 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:02:45,327 INFO L85 PathProgramCache]: Analyzing trace with hash 3021096, now seen corresponding path program 2 times [2024-12-02 14:02:45,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 14:02:45,327 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1264838790] [2024-12-02 14:02:45,328 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:02:45,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:02:45,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 14:02:45,339 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 14:02:45,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 14:02:45,343 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 14:02:45,344 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:02:45,344 INFO L85 PathProgramCache]: Analyzing trace with hash -1608402355, now seen corresponding path program 1 times [2024-12-02 14:02:45,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 14:02:45,344 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [985634694] [2024-12-02 14:02:45,344 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:02:45,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:02:45,348 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2024-12-02 14:02:45,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 14:02:45,361 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 14:02:45,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 14:02:45,374 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 14:02:46,230 INFO L204 LassoAnalysis]: Preferences: [2024-12-02 14:02:46,230 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-12-02 14:02:46,231 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-12-02 14:02:46,231 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-12-02 14:02:46,231 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-12-02 14:02:46,231 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 14:02:46,231 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-12-02 14:02:46,231 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-12-02 14:02:46,231 INFO L132 ssoRankerPreferences]: Filename of dumped script: insertion_sort-1-2.c_Iteration9_Lasso [2024-12-02 14:02:46,231 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-12-02 14:02:46,231 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-12-02 14:02:46,233 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 14:02:46,234 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 14:02:46,461 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 14:02:46,463 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 14:02:46,464 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 14:02:46,466 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 14:02:46,467 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 14:02:46,469 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 14:02:46,471 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 14:02:46,472 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 14:02:46,473 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 14:02:46,474 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 14:02:46,476 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 14:02:46,482 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 14:02:46,484 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 14:02:46,486 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 14:02:46,488 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 14:02:46,489 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 14:02:46,490 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 14:02:46,797 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-12-02 14:02:46,797 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-12-02 14:02:46,797 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 14:02:46,797 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:02:46,799 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 14:02:46,800 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2024-12-02 14:02:46,801 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 14:02:46,812 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 14:02:46,812 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-12-02 14:02:46,812 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 14:02:46,812 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 14:02:46,812 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 14:02:46,813 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-12-02 14:02:46,813 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-12-02 14:02:46,814 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 14:02:46,819 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2024-12-02 14:02:46,819 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 14:02:46,819 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:02:46,820 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 14:02:46,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2024-12-02 14:02:46,822 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 14:02:46,833 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 14:02:46,833 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 14:02:46,833 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 14:02:46,833 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 14:02:46,835 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-12-02 14:02:46,835 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-12-02 14:02:46,838 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 14:02:46,843 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Ended with exit code 0 [2024-12-02 14:02:46,843 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 14:02:46,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:02:46,845 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 14:02:46,846 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2024-12-02 14:02:46,847 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 14:02:46,858 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 14:02:46,858 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 14:02:46,858 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 14:02:46,858 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 14:02:46,863 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-12-02 14:02:46,863 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-12-02 14:02:46,878 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-12-02 14:02:46,891 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2024-12-02 14:02:46,891 INFO L444 ModelExtractionUtils]: 7 out of 16 variables were initially zero. Simplification set additionally 5 variables to zero. [2024-12-02 14:02:46,891 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 14:02:46,892 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:02:46,893 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 14:02:46,894 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2024-12-02 14:02:46,895 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-12-02 14:02:46,906 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-12-02 14:02:46,906 INFO L474 LassoAnalysis]: Proved termination. [2024-12-02 14:02:46,906 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 14:02:46,913 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2024-12-02 14:02:46,926 INFO L156 tatePredicateManager]: 6 out of 6 supporting invariants were superfluous and have been removed [2024-12-02 14:02:46,927 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#v~0!offset [2024-12-02 14:02:46,927 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-12-02 14:02:46,927 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-12-02 14:02:46,935 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:02:46,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:02:46,950 INFO L256 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 14:02:46,951 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:02:46,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:02:46,969 INFO L256 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-02 14:02:46,969 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:02:46,987 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 14:02:46,987 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 14:02:46,988 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 44 states and 57 transitions. cyclomatic complexity: 18 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 14:02:47,003 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 44 states and 57 transitions. cyclomatic complexity: 18. 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 48 states and 62 transitions. Complement of second has 6 states. [2024-12-02 14:02:47,004 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 14:02:47,005 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 14:02:47,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 24 transitions. [2024-12-02 14:02:47,005 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 24 transitions. Stem has 17 letters. Loop has 4 letters. [2024-12-02 14:02:47,005 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-12-02 14:02:47,005 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 24 transitions. Stem has 21 letters. Loop has 4 letters. [2024-12-02 14:02:47,005 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-12-02 14:02:47,005 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 24 transitions. Stem has 17 letters. Loop has 8 letters. [2024-12-02 14:02:47,005 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-12-02 14:02:47,006 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 48 states and 62 transitions. [2024-12-02 14:02:47,006 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-12-02 14:02:47,007 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 48 states to 39 states and 51 transitions. [2024-12-02 14:02:47,007 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2024-12-02 14:02:47,007 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2024-12-02 14:02:47,007 INFO L73 IsDeterministic]: Start isDeterministic. Operand 39 states and 51 transitions. [2024-12-02 14:02:47,007 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-12-02 14:02:47,007 INFO L218 hiAutomatonCegarLoop]: Abstraction has 39 states and 51 transitions. [2024-12-02 14:02:47,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states and 51 transitions. [2024-12-02 14:02:47,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2024-12-02 14:02:47,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 39 states have (on average 1.3076923076923077) internal successors, (51), 38 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 14:02:47,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 51 transitions. [2024-12-02 14:02:47,009 INFO L240 hiAutomatonCegarLoop]: Abstraction has 39 states and 51 transitions. [2024-12-02 14:02:47,009 INFO L425 stractBuchiCegarLoop]: Abstraction has 39 states and 51 transitions. [2024-12-02 14:02:47,009 INFO L332 stractBuchiCegarLoop]: ======== Iteration 10 ============ [2024-12-02 14:02:47,009 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 39 states and 51 transitions. [2024-12-02 14:02:47,009 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-12-02 14:02:47,009 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-12-02 14:02:47,009 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-12-02 14:02:47,010 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:02:47,010 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2024-12-02 14:02:47,010 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 14:02:47,010 INFO L749 eck$LassoCheckResult]: Loop: "assume main_#t~short9#1;havoc main_#t~mem8#1;havoc main_#t~short9#1;" "assume main_~i~0#1 < 2;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);" "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 14:02:47,010 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:02:47,010 INFO L85 PathProgramCache]: Analyzing trace with hash 574771564, now seen corresponding path program 3 times [2024-12-02 14:02:47,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 14:02:47,011 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1501357290] [2024-12-02 14:02:47,011 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:02:47,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:02:47,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:02:47,229 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-12-02 14:02:47,229 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1501357290] [2024-12-02 14:02:47,229 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1501357290] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 14:02:47,229 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [303047844] [2024-12-02 14:02:47,229 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:02:47,229 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 14:02:47,230 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:02:47,231 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 14:02:47,232 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (51)] Waiting until timeout for monitored process [2024-12-02 14:02:47,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:02:47,278 INFO L256 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-02 14:02:47,279 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:02:47,403 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 14:02:47,467 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Ended with exit code 0 [2024-12-02 14:02:47,544 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [303047844] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 14:02:47,545 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 14:02:47,545 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 8] total 16 [2024-12-02 14:02:47,545 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [834893843] [2024-12-02 14:02:47,545 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 14:02:47,545 INFO L752 eck$LassoCheckResult]: stem already infeasible [2024-12-02 14:02:47,545 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:02:47,545 INFO L85 PathProgramCache]: Analyzing trace with hash 70806642, now seen corresponding path program 3 times [2024-12-02 14:02:47,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 14:02:47,545 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [882145929] [2024-12-02 14:02:47,545 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:02:47,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:02:47,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 14:02:47,548 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 14:02:47,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 14:02:47,552 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 14:02:47,703 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-12-02 14:02:47,703 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-12-02 14:02:47,703 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=179, Unknown=0, NotChecked=0, Total=240 [2024-12-02 14:02:47,703 INFO L87 Difference]: Start difference. First operand 39 states and 51 transitions. cyclomatic complexity: 16 Second operand has 16 states, 16 states have (on average 2.5) internal successors, (40), 16 states have internal predecessors, (40), 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 14:02:47,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:02:47,811 INFO L93 Difference]: Finished difference Result 76 states and 99 transitions. [2024-12-02 14:02:47,811 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 76 states and 99 transitions. [2024-12-02 14:02:47,811 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 10 [2024-12-02 14:02:47,812 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 76 states to 61 states and 79 transitions. [2024-12-02 14:02:47,812 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 22 [2024-12-02 14:02:47,812 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 22 [2024-12-02 14:02:47,812 INFO L73 IsDeterministic]: Start isDeterministic. Operand 61 states and 79 transitions. [2024-12-02 14:02:47,812 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-12-02 14:02:47,812 INFO L218 hiAutomatonCegarLoop]: Abstraction has 61 states and 79 transitions. [2024-12-02 14:02:47,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states and 79 transitions. [2024-12-02 14:02:47,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 41. [2024-12-02 14:02:47,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 41 states have (on average 1.2926829268292683) internal successors, (53), 40 states have internal predecessors, (53), 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 14:02:47,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 53 transitions. [2024-12-02 14:02:47,814 INFO L240 hiAutomatonCegarLoop]: Abstraction has 41 states and 53 transitions. [2024-12-02 14:02:47,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-02 14:02:47,816 INFO L425 stractBuchiCegarLoop]: Abstraction has 41 states and 53 transitions. [2024-12-02 14:02:47,817 INFO L332 stractBuchiCegarLoop]: ======== Iteration 11 ============ [2024-12-02 14:02:47,817 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 41 states and 53 transitions. [2024-12-02 14:02:47,817 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-12-02 14:02:47,817 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-12-02 14:02:47,817 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-12-02 14:02:47,818 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:02:47,818 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2024-12-02 14:02:47,818 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 14:02:47,818 INFO L749 eck$LassoCheckResult]: Loop: "assume main_#t~short9#1;havoc main_#t~mem8#1;havoc main_#t~short9#1;" "assume main_~i~0#1 < 2;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);" "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 14:02:47,818 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:02:47,818 INFO L85 PathProgramCache]: Analyzing trace with hash -923143664, now seen corresponding path program 4 times [2024-12-02 14:02:47,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 14:02:47,818 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [739734788] [2024-12-02 14:02:47,818 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:02:47,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:02:47,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 14:02:47,835 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 14:02:47,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 14:02:47,849 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 14:02:47,849 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:02:47,849 INFO L85 PathProgramCache]: Analyzing trace with hash 70806642, now seen corresponding path program 4 times [2024-12-02 14:02:47,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 14:02:47,849 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [300540169] [2024-12-02 14:02:47,849 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:02:47,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:02:47,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 14:02:47,853 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 14:02:47,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 14:02:47,857 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 14:02:47,857 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:02:47,857 INFO L85 PathProgramCache]: Analyzing trace with hash -46240829, now seen corresponding path program 1 times [2024-12-02 14:02:47,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 14:02:47,857 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [137119735] [2024-12-02 14:02:47,857 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:02:47,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:02:47,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 14:02:47,880 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 14:02:47,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 14:02:47,902 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 14:02:49,949 INFO L204 LassoAnalysis]: Preferences: [2024-12-02 14:02:49,949 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-12-02 14:02:49,949 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-12-02 14:02:49,949 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-12-02 14:02:49,949 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-12-02 14:02:49,949 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 14:02:49,949 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-12-02 14:02:49,949 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-12-02 14:02:49,949 INFO L132 ssoRankerPreferences]: Filename of dumped script: insertion_sort-1-2.c_Iteration11_Lasso [2024-12-02 14:02:49,949 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-12-02 14:02:49,949 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-12-02 14:02:49,951 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 14:02:49,959 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 14:02:49,960 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 14:02:49,961 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 14:02:50,551 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 14:02:50,552 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 14:02:50,554 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 14:02:50,555 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 14:02:50,556 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 14:02:50,557 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 14:02:50,559 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 14:02:50,560 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 14:02:50,561 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 14:02:50,562 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 14:02:51,201 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-12-02 14:02:51,201 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-12-02 14:02:51,202 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 14:02:51,202 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:02:51,203 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 14:02:51,204 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2024-12-02 14:02:51,206 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 14:02:51,216 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 14:02:51,216 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 14:02:51,216 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 14:02:51,216 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 14:02:51,217 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-12-02 14:02:51,218 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-12-02 14:02:51,220 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 14:02:51,225 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Ended with exit code 0 [2024-12-02 14:02:51,225 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 14:02:51,225 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:02:51,227 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 14:02:51,227 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2024-12-02 14:02:51,229 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 14:02:51,239 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 14:02:51,240 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 14:02:51,240 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 14:02:51,240 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 14:02:51,241 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-12-02 14:02:51,241 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-12-02 14:02:51,243 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 14:02:51,248 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Ended with exit code 0 [2024-12-02 14:02:51,249 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 14:02:51,249 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:02:51,250 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 14:02:51,251 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2024-12-02 14:02:51,252 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 14:02:51,263 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 14:02:51,263 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-12-02 14:02:51,263 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 14:02:51,263 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 14:02:51,263 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 14:02:51,264 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-12-02 14:02:51,264 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-12-02 14:02:51,265 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 14:02:51,270 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Ended with exit code 0 [2024-12-02 14:02:51,270 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 14:02:51,270 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:02:51,271 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 14:02:51,272 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2024-12-02 14:02:51,273 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 14:02:51,284 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 14:02:51,284 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-12-02 14:02:51,284 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 14:02:51,284 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 14:02:51,284 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 14:02:51,284 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-12-02 14:02:51,284 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-12-02 14:02:51,286 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 14:02:51,290 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Ended with exit code 0 [2024-12-02 14:02:51,290 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 14:02:51,291 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:02:51,292 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 14:02:51,293 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2024-12-02 14:02:51,294 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 14:02:51,305 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 14:02:51,305 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 14:02:51,305 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 14:02:51,305 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 14:02:51,307 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-12-02 14:02:51,307 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-12-02 14:02:51,310 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 14:02:51,315 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Ended with exit code 0 [2024-12-02 14:02:51,315 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 14:02:51,315 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:02:51,317 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 14:02:51,318 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2024-12-02 14:02:51,319 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 14:02:51,329 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 14:02:51,330 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 14:02:51,330 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 14:02:51,330 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 14:02:51,331 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-12-02 14:02:51,331 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-12-02 14:02:51,334 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 14:02:51,339 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Ended with exit code 0 [2024-12-02 14:02:51,339 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 14:02:51,339 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:02:51,341 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 14:02:51,341 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2024-12-02 14:02:51,342 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 14:02:51,353 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 14:02:51,353 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 14:02:51,353 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 14:02:51,353 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 14:02:51,354 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-12-02 14:02:51,354 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-12-02 14:02:51,357 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 14:02:51,362 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Ended with exit code 0 [2024-12-02 14:02:51,362 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 14:02:51,362 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:02:51,364 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 14:02:51,364 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2024-12-02 14:02:51,366 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 14:02:51,376 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 14:02:51,377 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2024-12-02 14:02:51,377 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-12-02 14:02:51,377 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 14:02:51,403 INFO L401 nArgumentSynthesizer]: We have 20 Motzkin's Theorem applications. [2024-12-02 14:02:51,403 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2024-12-02 14:02:51,437 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 14:02:51,443 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Ended with exit code 0 [2024-12-02 14:02:51,443 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 14:02:51,443 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:02:51,444 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 14:02:51,445 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2024-12-02 14:02:51,446 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 14:02:51,457 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 14:02:51,457 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 14:02:51,457 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 14:02:51,457 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 14:02:51,458 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-12-02 14:02:51,458 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-12-02 14:02:51,462 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 14:02:51,467 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Ended with exit code 0 [2024-12-02 14:02:51,467 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 14:02:51,467 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:02:51,468 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 14:02:51,469 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2024-12-02 14:02:51,471 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 14:02:51,481 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 14:02:51,482 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 14:02:51,482 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 14:02:51,482 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 14:02:51,483 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-12-02 14:02:51,483 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-12-02 14:02:51,487 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 14:02:51,493 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Ended with exit code 0 [2024-12-02 14:02:51,493 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 14:02:51,493 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:02:51,494 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 14:02:51,495 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2024-12-02 14:02:51,497 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 14:02:51,507 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 14:02:51,508 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 14:02:51,508 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 14:02:51,508 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 14:02:51,509 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-12-02 14:02:51,509 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-12-02 14:02:51,512 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 14:02:51,517 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Ended with exit code 0 [2024-12-02 14:02:51,517 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 14:02:51,517 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:02:51,519 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 14:02:51,519 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2024-12-02 14:02:51,521 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 14:02:51,531 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 14:02:51,531 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 14:02:51,531 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 14:02:51,531 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 14:02:51,533 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-12-02 14:02:51,533 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-12-02 14:02:51,537 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-12-02 14:02:51,542 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2024-12-02 14:02:51,542 INFO L444 ModelExtractionUtils]: 0 out of 7 variables were initially zero. Simplification set additionally 5 variables to zero. [2024-12-02 14:02:51,543 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 14:02:51,543 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:02:51,544 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 14:02:51,545 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2024-12-02 14:02:51,546 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-12-02 14:02:51,558 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-12-02 14:02:51,558 INFO L474 LassoAnalysis]: Proved termination. [2024-12-02 14:02:51,558 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 14:02:51,563 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Ended with exit code 0 [2024-12-02 14:02:51,604 INFO L156 tatePredicateManager]: 12 out of 12 supporting invariants were superfluous and have been removed [2024-12-02 14:02:51,612 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:02:51,638 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Ended with exit code 0 [2024-12-02 14:02:51,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:02:51,641 INFO L256 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 14:02:51,642 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:02:51,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:02:51,670 INFO L256 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-02 14:02:51,670 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:02:51,703 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 14:02:51,704 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 14:02:51,704 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 41 states and 53 transitions. cyclomatic complexity: 16 Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 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 14:02:51,738 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 41 states and 53 transitions. cyclomatic complexity: 16. Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 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 55 states and 71 transitions. Complement of second has 9 states. [2024-12-02 14:02:51,738 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 14:02:51,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 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 14:02:51,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 23 transitions. [2024-12-02 14:02:51,739 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 23 transitions. Stem has 21 letters. Loop has 5 letters. [2024-12-02 14:02:51,739 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-12-02 14:02:51,739 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-12-02 14:02:51,749 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:02:51,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:02:51,772 INFO L256 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 14:02:51,773 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:02:51,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:02:51,800 INFO L256 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-02 14:02:51,800 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:02:51,831 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 14:02:51,831 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 14:02:51,832 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 41 states and 53 transitions. cyclomatic complexity: 16 Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 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 14:02:51,869 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 41 states and 53 transitions. cyclomatic complexity: 16. Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 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 58 states and 74 transitions. Complement of second has 9 states. [2024-12-02 14:02:51,870 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 14:02:51,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 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 14:02:51,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 24 transitions. [2024-12-02 14:02:51,870 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 24 transitions. Stem has 21 letters. Loop has 5 letters. [2024-12-02 14:02:51,871 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-12-02 14:02:51,871 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-12-02 14:02:51,879 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:02:51,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:02:51,901 INFO L256 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 14:02:51,901 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:02:51,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:02:51,929 INFO L256 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-02 14:02:51,929 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:02:51,955 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 14:02:51,955 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 14:02:51,955 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 41 states and 53 transitions. cyclomatic complexity: 16 Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 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 14:02:51,994 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 41 states and 53 transitions. cyclomatic complexity: 16. Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 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 70 states and 98 transitions. Complement of second has 8 states. [2024-12-02 14:02:51,994 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 14:02:51,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 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 14:02:51,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 31 transitions. [2024-12-02 14:02:51,995 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 31 transitions. Stem has 21 letters. Loop has 5 letters. [2024-12-02 14:02:51,995 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-12-02 14:02:51,995 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 31 transitions. Stem has 26 letters. Loop has 5 letters. [2024-12-02 14:02:51,996 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-12-02 14:02:51,996 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 31 transitions. Stem has 21 letters. Loop has 10 letters. [2024-12-02 14:02:51,996 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-12-02 14:02:51,996 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 70 states and 98 transitions. [2024-12-02 14:02:51,997 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-12-02 14:02:51,997 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 70 states to 0 states and 0 transitions. [2024-12-02 14:02:51,997 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-12-02 14:02:51,997 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-12-02 14:02:51,997 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-12-02 14:02:51,997 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-12-02 14:02:51,997 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-12-02 14:02:51,997 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-12-02 14:02:51,997 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-12-02 14:02:51,997 INFO L332 stractBuchiCegarLoop]: ======== Iteration 12 ============ [2024-12-02 14:02:51,997 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-12-02 14:02:51,997 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-12-02 14:02:51,997 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-12-02 14:02:52,003 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 02.12 02:02:52 BoogieIcfgContainer [2024-12-02 14:02:52,003 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-12-02 14:02:52,004 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 14:02:52,004 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 14:02:52,004 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 14:02:52,004 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:02:38" (3/4) ... [2024-12-02 14:02:52,006 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-02 14:02:52,006 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 14:02:52,007 INFO L158 Benchmark]: Toolchain (without parser) took 14449.29ms. Allocated memory was 117.4MB in the beginning and 209.7MB in the end (delta: 92.3MB). Free memory was 93.3MB in the beginning and 133.4MB in the end (delta: -40.1MB). Peak memory consumption was 49.3MB. Max. memory is 16.1GB. [2024-12-02 14:02:52,007 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 117.4MB. Free memory is still 72.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 14:02:52,007 INFO L158 Benchmark]: CACSL2BoogieTranslator took 173.27ms. Allocated memory is still 117.4MB. Free memory was 93.0MB in the beginning and 82.3MB in the end (delta: 10.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 14:02:52,008 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.04ms. Allocated memory is still 117.4MB. Free memory was 82.3MB in the beginning and 80.9MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 14:02:52,008 INFO L158 Benchmark]: Boogie Preprocessor took 35.14ms. Allocated memory is still 117.4MB. Free memory was 80.9MB in the beginning and 79.4MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 14:02:52,008 INFO L158 Benchmark]: RCFGBuilder took 276.38ms. Allocated memory is still 117.4MB. Free memory was 79.2MB in the beginning and 66.8MB in the end (delta: 12.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 14:02:52,008 INFO L158 Benchmark]: BuchiAutomizer took 13928.84ms. Allocated memory was 117.4MB in the beginning and 209.7MB in the end (delta: 92.3MB). Free memory was 66.8MB in the beginning and 133.4MB in the end (delta: -66.6MB). Peak memory consumption was 24.2MB. Max. memory is 16.1GB. [2024-12-02 14:02:52,009 INFO L158 Benchmark]: Witness Printer took 2.63ms. Allocated memory is still 209.7MB. Free memory was 133.4MB in the beginning and 133.4MB in the end (delta: 39.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 14:02:52,010 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 117.4MB. Free memory is still 72.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 173.27ms. Allocated memory is still 117.4MB. Free memory was 93.0MB in the beginning and 82.3MB in the end (delta: 10.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.04ms. Allocated memory is still 117.4MB. Free memory was 82.3MB in the beginning and 80.9MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 35.14ms. Allocated memory is still 117.4MB. Free memory was 80.9MB in the beginning and 79.4MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 276.38ms. Allocated memory is still 117.4MB. Free memory was 79.2MB in the beginning and 66.8MB in the end (delta: 12.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 13928.84ms. Allocated memory was 117.4MB in the beginning and 209.7MB in the end (delta: 92.3MB). Free memory was 66.8MB in the beginning and 133.4MB in the end (delta: -66.6MB). Peak memory consumption was 24.2MB. Max. memory is 16.1GB. * Witness Printer took 2.63ms. Allocated memory is still 209.7MB. Free memory was 133.4MB in the beginning and 133.4MB in the end (delta: 39.1kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - 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] - 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 4 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 16 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 13.8s and 12 iterations. TraceHistogramMax:3. Analysis of lassos took 12.4s. Construction of modules took 0.3s. Büchi inclusion checks took 0.9s. Highest rank in rank-based complementation 3. Minimization of det autom 5. Minimization of nondet autom 6. Automata minimization 0.0s AutomataMinimizationTime, 10 MinimizatonAttempts, 66 StatesRemovedByMinimization, 6 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, 321 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 315 mSDsluCounter, 606 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 396 mSDsCounter, 53 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 498 IncrementalHoareTripleChecker+Invalid, 551 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 53 mSolverCounterUnsat, 210 mSDtfsCounter, 498 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc3 concLT0 SILN0 SILU2 SILI0 SILT0 lasso5 LassoPreprocessingBenchmarks: Lassos: inital197 mio100 ax100 hnf100 lsp95 ukn68 mio100 lsp42 div313 bol100 ite100 ukn100 eq148 hnf94 smp59 dnf149 smp90 tf100 neg100 sie101 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 75ms VariablesStem: 9 VariablesLoop: 17 DisjunctsStem: 2 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 20 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 14:02:52,025 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (51)] Ended with exit code 0 [2024-12-02 14:02:52,222 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Ended with exit code 0 [2024-12-02 14:02:52,423 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Ended with exit code 0 [2024-12-02 14:02:52,623 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2024-12-02 14:02:52,823 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2024-12-02 14:02:53,023 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2024-12-02 14:02:53,224 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d3dd0a-448e-465f-a8ee-0324749a8ede/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