./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-recursive-malloc/insertionSort_recursive.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-recursive-malloc/insertionSort_recursive.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/bin/uautomizer-verify-4GaUIPS5ZU --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 1ae4a3f744c0a8577333c2c3dfb4ecaabbd2cf6e1675b06577194a98b8d1aee1 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:08:35,192 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:08:35,295 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Termination-64bit-Automizer_Default.epf [2024-10-31 22:08:35,299 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:08:35,303 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:08:35,356 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:08:35,356 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:08:35,357 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:08:35,358 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:08:35,360 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:08:35,361 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:08:35,364 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:08:35,364 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:08:35,365 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-10-31 22:08:35,365 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-10-31 22:08:35,382 INFO L153 SettingsManager]: * Use old map elimination=false [2024-10-31 22:08:35,383 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-10-31 22:08:35,383 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-10-31 22:08:35,383 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-10-31 22:08:35,386 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:08:35,386 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-10-31 22:08:35,387 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:08:35,387 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:08:35,387 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-10-31 22:08:35,388 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-10-31 22:08:35,388 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-10-31 22:08:35,388 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:08:35,389 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-31 22:08:35,389 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:08:35,389 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-10-31 22:08:35,390 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:08:35,390 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:08:35,390 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:08:35,391 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:08:35,391 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:08:35,392 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-10-31 22:08:35,392 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/bin/uautomizer-verify-4GaUIPS5ZU/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1ae4a3f744c0a8577333c2c3dfb4ecaabbd2cf6e1675b06577194a98b8d1aee1 [2024-10-31 22:08:35,697 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:08:35,728 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:08:35,731 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:08:35,732 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:08:35,733 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:08:35,734 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/termination-recursive-malloc/insertionSort_recursive.i Unable to find full path for "g++" [2024-10-31 22:08:37,737 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:08:37,943 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:08:37,944 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/sv-benchmarks/c/termination-recursive-malloc/insertionSort_recursive.i [2024-10-31 22:08:37,952 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/bin/uautomizer-verify-4GaUIPS5ZU/data/d757f0bb1/89cf83ccfd6c4f6c899a1d244e313d59/FLAG3376d132f [2024-10-31 22:08:37,974 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/bin/uautomizer-verify-4GaUIPS5ZU/data/d757f0bb1/89cf83ccfd6c4f6c899a1d244e313d59 [2024-10-31 22:08:37,976 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:08:37,978 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:08:37,980 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:08:37,981 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:08:37,988 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:08:37,989 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:08:37" (1/1) ... [2024-10-31 22:08:37,990 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7231ae46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:37, skipping insertion in model container [2024-10-31 22:08:37,991 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:08:37" (1/1) ... [2024-10-31 22:08:38,037 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:08:38,291 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:08:38,306 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:08:38,322 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:08:38,342 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:08:38,343 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:38 WrapperNode [2024-10-31 22:08:38,343 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:08:38,345 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:08:38,345 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:08:38,345 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:08:38,354 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:38" (1/1) ... [2024-10-31 22:08:38,360 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:38" (1/1) ... [2024-10-31 22:08:38,379 INFO L138 Inliner]: procedures = 11, calls = 12, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 27 [2024-10-31 22:08:38,379 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:08:38,380 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:08:38,380 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:08:38,380 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:08:38,392 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:38" (1/1) ... [2024-10-31 22:08:38,392 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:38" (1/1) ... [2024-10-31 22:08:38,394 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:38" (1/1) ... [2024-10-31 22:08:38,409 INFO L175 MemorySlicer]: Split 6 memory accesses to 1 slices as follows [6]. 100 percent of accesses are in the largest equivalence class. The 0 initializations are split as follows [0]. The 3 writes are split as follows [3]. [2024-10-31 22:08:38,409 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:38" (1/1) ... [2024-10-31 22:08:38,409 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:38" (1/1) ... [2024-10-31 22:08:38,415 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:38" (1/1) ... [2024-10-31 22:08:38,419 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:38" (1/1) ... [2024-10-31 22:08:38,420 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:38" (1/1) ... [2024-10-31 22:08:38,422 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:38" (1/1) ... [2024-10-31 22:08:38,424 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:08:38,425 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:08:38,425 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:08:38,425 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:08:38,426 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:38" (1/1) ... [2024-10-31 22:08:38,434 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:08:38,446 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:08:38,464 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:08:38,467 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-10-31 22:08:38,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-31 22:08:38,506 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-31 22:08:38,507 INFO L130 BoogieDeclarations]: Found specification of procedure insertionSort [2024-10-31 22:08:38,507 INFO L138 BoogieDeclarations]: Found implementation of procedure insertionSort [2024-10-31 22:08:38,508 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:08:38,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:08:38,508 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-31 22:08:38,508 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-31 22:08:38,602 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:08:38,605 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:08:38,918 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-10-31 22:08:38,918 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:08:38,938 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:08:38,938 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-10-31 22:08:38,938 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:08:38 BoogieIcfgContainer [2024-10-31 22:08:38,939 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:08:38,940 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-10-31 22:08:38,940 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-10-31 22:08:38,945 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-10-31 22:08:38,946 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-31 22:08:38,947 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 31.10 10:08:37" (1/3) ... [2024-10-31 22:08:38,948 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4a17f269 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.10 10:08:38, skipping insertion in model container [2024-10-31 22:08:38,949 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-31 22:08:38,949 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:38" (2/3) ... [2024-10-31 22:08:38,950 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4a17f269 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.10 10:08:38, skipping insertion in model container [2024-10-31 22:08:38,950 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-31 22:08:38,950 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:08:38" (3/3) ... [2024-10-31 22:08:38,951 INFO L332 chiAutomizerObserver]: Analyzing ICFG insertionSort_recursive.i [2024-10-31 22:08:39,028 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-10-31 22:08:39,030 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-10-31 22:08:39,030 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-10-31 22:08:39,031 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-10-31 22:08:39,031 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-10-31 22:08:39,032 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-10-31 22:08:39,032 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-10-31 22:08:39,032 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-10-31 22:08:39,038 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 22 states, 18 states have (on average 1.3888888888888888) internal successors, (25), 18 states have internal predecessors, (25), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-31 22:08:39,075 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 10 [2024-10-31 22:08:39,075 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 22:08:39,075 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 22:08:39,086 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-10-31 22:08:39,086 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-10-31 22:08:39,088 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-10-31 22:08:39,089 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 22 states, 18 states have (on average 1.3888888888888888) internal successors, (25), 18 states have internal predecessors, (25), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-31 22:08:39,096 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 10 [2024-10-31 22:08:39,096 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 22:08:39,096 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 22:08:39,097 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-10-31 22:08:39,097 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-10-31 22:08:39,107 INFO L745 eck$LassoCheckResult]: Stem: 18#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 8#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet7#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~nondet9#1, main_#t~post10#1, main_~i~0#1, main_~n~0#1, main_~a~0#1.base, main_~a~0#1.offset;havoc main_#t~nondet7#1;main_~n~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 17#L28true assume !(main_~n~0#1 < 1);call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnHeap(4 * main_~n~0#1 % 18446744073709551616);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;havoc main_#t~malloc8#1.base, main_#t~malloc8#1.offset;main_~i~0#1 := 0; 20#L33-3true [2024-10-31 22:08:39,109 INFO L747 eck$LassoCheckResult]: Loop: 20#L33-3true assume !!(main_~i~0#1 < main_~n~0#1);havoc main_#t~nondet9#1;call write~int#0(main_#t~nondet9#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet9#1; 7#L33-2true main_#t~post10#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 20#L33-3true [2024-10-31 22:08:39,117 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:08:39,118 INFO L85 PathProgramCache]: Analyzing trace with hash 60643, now seen corresponding path program 1 times [2024-10-31 22:08:39,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:08:39,136 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [660819407] [2024-10-31 22:08:39,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:08:39,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:08:39,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:08:39,270 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:08:39,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:08:39,301 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:08:39,306 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:08:39,306 INFO L85 PathProgramCache]: Analyzing trace with hash 2435, now seen corresponding path program 1 times [2024-10-31 22:08:39,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:08:39,307 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1587419235] [2024-10-31 22:08:39,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:08:39,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:08:39,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:08:39,330 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:08:39,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:08:39,343 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:08:39,345 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:08:39,345 INFO L85 PathProgramCache]: Analyzing trace with hash 58279397, now seen corresponding path program 1 times [2024-10-31 22:08:39,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:08:39,346 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1724355645] [2024-10-31 22:08:39,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:08:39,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:08:39,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:08:39,391 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:08:39,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:08:39,426 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:08:39,825 INFO L204 LassoAnalysis]: Preferences: [2024-10-31 22:08:39,826 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-31 22:08:39,826 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-31 22:08:39,826 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-31 22:08:39,826 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-31 22:08:39,827 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:08:39,827 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-31 22:08:39,827 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-31 22:08:39,827 INFO L132 ssoRankerPreferences]: Filename of dumped script: insertionSort_recursive.i_Iteration1_Lasso [2024-10-31 22:08:39,827 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-31 22:08:39,828 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-31 22:08:39,856 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:08:39,995 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:08:39,998 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:08:40,001 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:08:40,004 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:08:40,008 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:08:40,011 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:08:40,294 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-31 22:08:40,299 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-31 22:08:40,303 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:08:40,303 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:08:40,306 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:08:40,308 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2024-10-31 22:08:40,310 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 [2024-10-31 22:08:40,325 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:08:40,327 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:08:40,327 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:08:40,327 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:08:40,340 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:08:40,341 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:08:40,358 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-31 22:08:40,389 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2024-10-31 22:08:40,390 INFO L444 ModelExtractionUtils]: 7 out of 16 variables were initially zero. Simplification set additionally 6 variables to zero. [2024-10-31 22:08:40,391 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:08:40,392 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:08:40,399 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:08:40,407 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-10-31 22:08:40,408 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-31 22:08:40,422 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-10-31 22:08:40,423 INFO L474 LassoAnalysis]: Proved termination. [2024-10-31 22:08:40,424 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1, ULTIMATE.start_main_~n~0#1) = -1*ULTIMATE.start_main_~i~0#1 + 1*ULTIMATE.start_main_~n~0#1 Supporting invariants [] [2024-10-31 22:08:40,461 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2024-10-31 22:08:40,470 INFO L156 tatePredicateManager]: 1 out of 1 supporting invariants were superfluous and have been removed [2024-10-31 22:08:40,500 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:08:40,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:40,516 INFO L255 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-31 22:08:40,517 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:08:40,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:40,537 INFO L255 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-31 22:08:40,537 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:08:40,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:08:40,591 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 [2024-10-31 22:08:40,593 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 22 states, 18 states have (on average 1.3888888888888888) internal successors, (25), 18 states have internal predecessors, (25), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) 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) [2024-10-31 22:08:40,649 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 22 states, 18 states have (on average 1.3888888888888888) internal successors, (25), 18 states have internal predecessors, (25), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2). 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 44 states and 57 transitions. Complement of second has 7 states. [2024-10-31 22:08:40,652 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 [2024-10-31 22:08:40,657 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) [2024-10-31 22:08:40,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 30 transitions. [2024-10-31 22:08:40,660 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 30 transitions. Stem has 3 letters. Loop has 2 letters. [2024-10-31 22:08:40,661 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:08:40,661 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 30 transitions. Stem has 5 letters. Loop has 2 letters. [2024-10-31 22:08:40,661 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:08:40,662 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 30 transitions. Stem has 3 letters. Loop has 4 letters. [2024-10-31 22:08:40,662 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:08:40,663 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 44 states and 57 transitions. [2024-10-31 22:08:40,666 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2024-10-31 22:08:40,671 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 44 states to 16 states and 21 transitions. [2024-10-31 22:08:40,673 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2024-10-31 22:08:40,673 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2024-10-31 22:08:40,674 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 21 transitions. [2024-10-31 22:08:40,674 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-31 22:08:40,674 INFO L218 hiAutomatonCegarLoop]: Abstraction has 16 states and 21 transitions. [2024-10-31 22:08:40,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 21 transitions. [2024-10-31 22:08:40,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2024-10-31 22:08:40,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:08:40,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 21 transitions. [2024-10-31 22:08:40,714 INFO L240 hiAutomatonCegarLoop]: Abstraction has 16 states and 21 transitions. [2024-10-31 22:08:40,714 INFO L425 stractBuchiCegarLoop]: Abstraction has 16 states and 21 transitions. [2024-10-31 22:08:40,714 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-10-31 22:08:40,714 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 21 transitions. [2024-10-31 22:08:40,715 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2024-10-31 22:08:40,715 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 22:08:40,715 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 22:08:40,715 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2024-10-31 22:08:40,715 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2024-10-31 22:08:40,717 INFO L745 eck$LassoCheckResult]: Stem: 125#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 119#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet7#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~nondet9#1, main_#t~post10#1, main_~i~0#1, main_~n~0#1, main_~a~0#1.base, main_~a~0#1.offset;havoc main_#t~nondet7#1;main_~n~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 120#L28 assume !(main_~n~0#1 < 1);call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnHeap(4 * main_~n~0#1 % 18446744073709551616);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;havoc main_#t~malloc8#1.base, main_#t~malloc8#1.offset;main_~i~0#1 := 0; 124#L33-3 assume !(main_~i~0#1 < main_~n~0#1); 110#L33-4 havoc main_~i~0#1; 111#L37 call insertionSort(0, main_~a~0#1.base, main_~a~0#1.offset, main_~n~0#1);< 112#$Ultimate##0 [2024-10-31 22:08:40,718 INFO L747 eck$LassoCheckResult]: Loop: 112#$Ultimate##0 ~i := #in~i;~array.base, ~array.offset := #in~array.base, #in~array.offset;~size := #in~size; 114#L10 assume ~i < ~size;havoc ~j~0;call #t~mem1 := read~int#0(~array.base, ~array.offset + 4 * ~i, 4);~temp~0 := #t~mem1;havoc #t~mem1;~j~0 := ~i; 116#L15-6 assume !true; 121#L15-7 call write~int#0(~temp~0, ~array.base, ~array.offset + 4 * ~j~0, 4);#t~pre6 := 1 + ~i;~i := 1 + ~i; 113#L19 call insertionSort(#t~pre6, ~array.base, ~array.offset, ~size);< 112#$Ultimate##0 [2024-10-31 22:08:40,719 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:08:40,719 INFO L85 PathProgramCache]: Analyzing trace with hash 1806659569, now seen corresponding path program 1 times [2024-10-31 22:08:40,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:08:40,720 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2007964165] [2024-10-31 22:08:40,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:08:40,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:08:40,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:40,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:08:40,846 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:08:40,846 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2007964165] [2024-10-31 22:08:40,847 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2007964165] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:08:40,847 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:08:40,847 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-31 22:08:40,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1353868130] [2024-10-31 22:08:40,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:08:40,855 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-10-31 22:08:40,855 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:08:40,855 INFO L85 PathProgramCache]: Analyzing trace with hash 28740468, now seen corresponding path program 1 times [2024-10-31 22:08:40,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:08:40,859 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [235569518] [2024-10-31 22:08:40,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:08:40,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:08:40,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:40,877 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:08:40,878 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:08:40,878 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [235569518] [2024-10-31 22:08:40,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [235569518] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:08:40,878 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:08:40,879 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:08:40,879 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1107284918] [2024-10-31 22:08:40,879 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:08:40,879 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-10-31 22:08:40,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:08:40,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-31 22:08:40,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-31 22:08:40,884 INFO L87 Difference]: Start difference. First operand 16 states and 21 transitions. cyclomatic complexity: 7 Second operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:08:40,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:08:40,892 INFO L93 Difference]: Finished difference Result 16 states and 20 transitions. [2024-10-31 22:08:40,892 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 16 states and 20 transitions. [2024-10-31 22:08:40,893 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2024-10-31 22:08:40,896 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 16 states to 16 states and 20 transitions. [2024-10-31 22:08:40,896 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2024-10-31 22:08:40,896 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2024-10-31 22:08:40,896 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 20 transitions. [2024-10-31 22:08:40,897 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-31 22:08:40,897 INFO L218 hiAutomatonCegarLoop]: Abstraction has 16 states and 20 transitions. [2024-10-31 22:08:40,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 20 transitions. [2024-10-31 22:08:40,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2024-10-31 22:08:40,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 14 states have (on average 1.2857142857142858) internal successors, (18), 14 states have internal predecessors, (18), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:08:40,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 20 transitions. [2024-10-31 22:08:40,900 INFO L240 hiAutomatonCegarLoop]: Abstraction has 16 states and 20 transitions. [2024-10-31 22:08:40,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-31 22:08:40,901 INFO L425 stractBuchiCegarLoop]: Abstraction has 16 states and 20 transitions. [2024-10-31 22:08:40,901 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-10-31 22:08:40,901 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 20 transitions. [2024-10-31 22:08:40,901 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2024-10-31 22:08:40,903 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 22:08:40,904 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 22:08:40,906 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2024-10-31 22:08:40,906 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:08:40,906 INFO L745 eck$LassoCheckResult]: Stem: 163#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 157#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet7#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~nondet9#1, main_#t~post10#1, main_~i~0#1, main_~n~0#1, main_~a~0#1.base, main_~a~0#1.offset;havoc main_#t~nondet7#1;main_~n~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 158#L28 assume !(main_~n~0#1 < 1);call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnHeap(4 * main_~n~0#1 % 18446744073709551616);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;havoc main_#t~malloc8#1.base, main_#t~malloc8#1.offset;main_~i~0#1 := 0; 162#L33-3 assume !(main_~i~0#1 < main_~n~0#1); 148#L33-4 havoc main_~i~0#1; 149#L37 call insertionSort(0, main_~a~0#1.base, main_~a~0#1.offset, main_~n~0#1);< 150#$Ultimate##0 [2024-10-31 22:08:40,907 INFO L747 eck$LassoCheckResult]: Loop: 150#$Ultimate##0 ~i := #in~i;~array.base, ~array.offset := #in~array.base, #in~array.offset;~size := #in~size; 152#L10 assume ~i < ~size;havoc ~j~0;call #t~mem1 := read~int#0(~array.base, ~array.offset + 4 * ~i, 4);~temp~0 := #t~mem1;havoc #t~mem1;~j~0 := ~i; 154#L15-6 #t~short3 := ~j~0 > 0; 159#L15-1 assume #t~short3;call #t~mem2 := read~int#0(~array.base, ~array.offset + 4 * (~j~0 - 1), 4);#t~short3 := #t~mem2 > ~temp~0; 160#L15-3 assume !#t~short3;havoc #t~mem2;havoc #t~short3; 161#L15-7 call write~int#0(~temp~0, ~array.base, ~array.offset + 4 * ~j~0, 4);#t~pre6 := 1 + ~i;~i := 1 + ~i; 151#L19 call insertionSort(#t~pre6, ~array.base, ~array.offset, ~size);< 150#$Ultimate##0 [2024-10-31 22:08:40,907 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:08:40,907 INFO L85 PathProgramCache]: Analyzing trace with hash 1806659569, now seen corresponding path program 2 times [2024-10-31 22:08:40,907 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:08:40,908 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1040822319] [2024-10-31 22:08:40,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:08:40,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:08:40,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:40,975 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:08:40,975 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:08:40,975 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1040822319] [2024-10-31 22:08:40,976 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1040822319] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:08:40,976 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:08:40,976 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-31 22:08:40,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2016853866] [2024-10-31 22:08:40,976 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:08:40,976 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-10-31 22:08:40,977 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:08:40,977 INFO L85 PathProgramCache]: Analyzing trace with hash 1835476523, now seen corresponding path program 1 times [2024-10-31 22:08:40,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:08:40,977 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1348819692] [2024-10-31 22:08:40,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:08:40,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:08:40,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:08:40,994 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:08:41,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:08:41,011 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:08:41,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:08:41,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:08:41,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:08:41,472 INFO L87 Difference]: Start difference. First operand 16 states and 20 transitions. cyclomatic complexity: 6 Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:08:41,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:08:41,523 INFO L93 Difference]: Finished difference Result 17 states and 20 transitions. [2024-10-31 22:08:41,523 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 17 states and 20 transitions. [2024-10-31 22:08:41,524 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2024-10-31 22:08:41,524 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 17 states to 17 states and 20 transitions. [2024-10-31 22:08:41,524 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2024-10-31 22:08:41,524 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2024-10-31 22:08:41,525 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 20 transitions. [2024-10-31 22:08:41,527 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-31 22:08:41,527 INFO L218 hiAutomatonCegarLoop]: Abstraction has 17 states and 20 transitions. [2024-10-31 22:08:41,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states and 20 transitions. [2024-10-31 22:08:41,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 16. [2024-10-31 22:08:41,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 14 states have internal predecessors, (17), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:08:41,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 19 transitions. [2024-10-31 22:08:41,533 INFO L240 hiAutomatonCegarLoop]: Abstraction has 16 states and 19 transitions. [2024-10-31 22:08:41,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:08:41,543 INFO L425 stractBuchiCegarLoop]: Abstraction has 16 states and 19 transitions. [2024-10-31 22:08:41,543 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-10-31 22:08:41,544 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 19 transitions. [2024-10-31 22:08:41,544 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2024-10-31 22:08:41,544 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 22:08:41,544 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 22:08:41,545 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:08:41,545 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:08:41,545 INFO L745 eck$LassoCheckResult]: Stem: 202#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 196#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet7#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~nondet9#1, main_#t~post10#1, main_~i~0#1, main_~n~0#1, main_~a~0#1.base, main_~a~0#1.offset;havoc main_#t~nondet7#1;main_~n~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 197#L28 assume !(main_~n~0#1 < 1);call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnHeap(4 * main_~n~0#1 % 18446744073709551616);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;havoc main_#t~malloc8#1.base, main_#t~malloc8#1.offset;main_~i~0#1 := 0; 201#L33-3 assume !!(main_~i~0#1 < main_~n~0#1);havoc main_#t~nondet9#1;call write~int#0(main_#t~nondet9#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet9#1; 194#L33-2 main_#t~post10#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 195#L33-3 assume !(main_~i~0#1 < main_~n~0#1); 187#L33-4 havoc main_~i~0#1; 188#L37 call insertionSort(0, main_~a~0#1.base, main_~a~0#1.offset, main_~n~0#1);< 189#$Ultimate##0 [2024-10-31 22:08:41,545 INFO L747 eck$LassoCheckResult]: Loop: 189#$Ultimate##0 ~i := #in~i;~array.base, ~array.offset := #in~array.base, #in~array.offset;~size := #in~size; 191#L10 assume ~i < ~size;havoc ~j~0;call #t~mem1 := read~int#0(~array.base, ~array.offset + 4 * ~i, 4);~temp~0 := #t~mem1;havoc #t~mem1;~j~0 := ~i; 193#L15-6 #t~short3 := ~j~0 > 0; 198#L15-1 assume #t~short3;call #t~mem2 := read~int#0(~array.base, ~array.offset + 4 * (~j~0 - 1), 4);#t~short3 := #t~mem2 > ~temp~0; 199#L15-3 assume !#t~short3;havoc #t~mem2;havoc #t~short3; 200#L15-7 call write~int#0(~temp~0, ~array.base, ~array.offset + 4 * ~j~0, 4);#t~pre6 := 1 + ~i;~i := 1 + ~i; 190#L19 call insertionSort(#t~pre6, ~array.base, ~array.offset, ~size);< 189#$Ultimate##0 [2024-10-31 22:08:41,545 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:08:41,549 INFO L85 PathProgramCache]: Analyzing trace with hash 1034772399, now seen corresponding path program 1 times [2024-10-31 22:08:41,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:08:41,549 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [603278481] [2024-10-31 22:08:41,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:08:41,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:08:41,556 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2024-10-31 22:08:41,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:08:41,579 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:08:41,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:08:41,598 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:08:41,599 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:08:41,599 INFO L85 PathProgramCache]: Analyzing trace with hash 1835476523, now seen corresponding path program 2 times [2024-10-31 22:08:41,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:08:41,599 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [131749524] [2024-10-31 22:08:41,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:08:41,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:08:41,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:08:41,620 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:08:41,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:08:41,636 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:08:41,640 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:08:41,640 INFO L85 PathProgramCache]: Analyzing trace with hash 231564989, now seen corresponding path program 1 times [2024-10-31 22:08:41,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:08:41,641 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [800193706] [2024-10-31 22:08:41,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:08:41,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:08:41,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:41,905 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-31 22:08:41,905 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:08:41,906 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [800193706] [2024-10-31 22:08:41,906 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [800193706] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:08:41,906 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:08:41,906 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-31 22:08:41,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1840838361] [2024-10-31 22:08:41,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:08:42,370 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:08:42,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-31 22:08:42,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-31 22:08:42,372 INFO L87 Difference]: Start difference. First operand 16 states and 19 transitions. cyclomatic complexity: 5 Second operand has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 5 states have internal predecessors, (13), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:08:42,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:08:42,456 INFO L93 Difference]: Finished difference Result 23 states and 26 transitions. [2024-10-31 22:08:42,456 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 23 states and 26 transitions. [2024-10-31 22:08:42,457 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2024-10-31 22:08:42,458 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 23 states to 23 states and 26 transitions. [2024-10-31 22:08:42,458 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 21 [2024-10-31 22:08:42,458 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 21 [2024-10-31 22:08:42,458 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 26 transitions. [2024-10-31 22:08:42,458 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-31 22:08:42,459 INFO L218 hiAutomatonCegarLoop]: Abstraction has 23 states and 26 transitions. [2024-10-31 22:08:42,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states and 26 transitions. [2024-10-31 22:08:42,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 21. [2024-10-31 22:08:42,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 19 states have (on average 1.1578947368421053) internal successors, (22), 18 states have internal predecessors, (22), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:08:42,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 24 transitions. [2024-10-31 22:08:42,461 INFO L240 hiAutomatonCegarLoop]: Abstraction has 21 states and 24 transitions. [2024-10-31 22:08:42,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-31 22:08:42,467 INFO L425 stractBuchiCegarLoop]: Abstraction has 21 states and 24 transitions. [2024-10-31 22:08:42,467 INFO L332 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2024-10-31 22:08:42,467 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 21 states and 24 transitions. [2024-10-31 22:08:42,467 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2024-10-31 22:08:42,468 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 22:08:42,468 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 22:08:42,468 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:08:42,468 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:08:42,469 INFO L745 eck$LassoCheckResult]: Stem: 257#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 250#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet7#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~nondet9#1, main_#t~post10#1, main_~i~0#1, main_~n~0#1, main_~a~0#1.base, main_~a~0#1.offset;havoc main_#t~nondet7#1;main_~n~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 251#L28 assume !(main_~n~0#1 < 1);call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnHeap(4 * main_~n~0#1 % 18446744073709551616);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;havoc main_#t~malloc8#1.base, main_#t~malloc8#1.offset;main_~i~0#1 := 0; 256#L33-3 assume !!(main_~i~0#1 < main_~n~0#1);havoc main_#t~nondet9#1;call write~int#0(main_#t~nondet9#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet9#1; 248#L33-2 main_#t~post10#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 249#L33-3 assume !(main_~i~0#1 < main_~n~0#1); 244#L33-4 havoc main_~i~0#1; 242#L37 call insertionSort(0, main_~a~0#1.base, main_~a~0#1.offset, main_~n~0#1);< 241#$Ultimate##0 ~i := #in~i;~array.base, ~array.offset := #in~array.base, #in~array.offset;~size := #in~size; 243#L10 assume ~i < ~size;havoc ~j~0;call #t~mem1 := read~int#0(~array.base, ~array.offset + 4 * ~i, 4);~temp~0 := #t~mem1;havoc #t~mem1;~j~0 := ~i; 258#L15-6 #t~short3 := ~j~0 > 0; 252#L15-1 assume !#t~short3; 253#L15-3 assume !#t~short3;havoc #t~mem2;havoc #t~short3; 254#L15-7 [2024-10-31 22:08:42,469 INFO L747 eck$LassoCheckResult]: Loop: 254#L15-7 call write~int#0(~temp~0, ~array.base, ~array.offset + 4 * ~j~0, 4);#t~pre6 := 1 + ~i;~i := 1 + ~i; 246#L19 call insertionSort(#t~pre6, ~array.base, ~array.offset, ~size);< 255#$Ultimate##0 ~i := #in~i;~array.base, ~array.offset := #in~array.base, #in~array.offset;~size := #in~size; 261#L10 assume ~i < ~size;havoc ~j~0;call #t~mem1 := read~int#0(~array.base, ~array.offset + 4 * ~i, 4);~temp~0 := #t~mem1;havoc #t~mem1;~j~0 := ~i; 247#L15-6 #t~short3 := ~j~0 > 0; 260#L15-1 assume #t~short3;call #t~mem2 := read~int#0(~array.base, ~array.offset + 4 * (~j~0 - 1), 4);#t~short3 := #t~mem2 > ~temp~0; 259#L15-3 assume !#t~short3;havoc #t~mem2;havoc #t~short3; 254#L15-7 [2024-10-31 22:08:42,469 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:08:42,469 INFO L85 PathProgramCache]: Analyzing trace with hash -1921544551, now seen corresponding path program 1 times [2024-10-31 22:08:42,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:08:42,470 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1883845211] [2024-10-31 22:08:42,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:08:42,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:08:42,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:08:42,486 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:08:42,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:08:42,509 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:08:42,509 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:08:42,509 INFO L85 PathProgramCache]: Analyzing trace with hash -1066317913, now seen corresponding path program 3 times [2024-10-31 22:08:42,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:08:42,514 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [103551176] [2024-10-31 22:08:42,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:08:42,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:08:42,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:08:42,533 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:08:42,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:08:42,548 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:08:42,548 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:08:42,549 INFO L85 PathProgramCache]: Analyzing trace with hash 61906447, now seen corresponding path program 1 times [2024-10-31 22:08:42,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:08:42,549 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [549985980] [2024-10-31 22:08:42,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:08:42,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:08:42,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:42,854 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:08:42,855 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:08:42,855 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [549985980] [2024-10-31 22:08:42,856 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [549985980] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 22:08:42,856 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [927031933] [2024-10-31 22:08:42,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:08:42,856 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:08:42,857 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:08:42,859 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:08:42,862 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-31 22:08:42,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:42,947 INFO L255 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-10-31 22:08:42,949 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:08:43,143 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:08:43,144 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-31 22:08:43,290 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:08:43,290 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [927031933] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-31 22:08:43,291 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-31 22:08:43,291 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 18 [2024-10-31 22:08:43,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1914838930] [2024-10-31 22:08:43,291 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-31 22:08:44,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:08:44,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-10-31 22:08:44,027 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=255, Unknown=0, NotChecked=0, Total=306 [2024-10-31 22:08:44,027 INFO L87 Difference]: Start difference. First operand 21 states and 24 transitions. cyclomatic complexity: 5 Second operand has 18 states, 16 states have (on average 2.1875) internal successors, (35), 13 states have internal predecessors, (35), 3 states have call successors, (5), 5 states have call predecessors, (5), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:08:44,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:08:44,180 INFO L93 Difference]: Finished difference Result 35 states and 38 transitions. [2024-10-31 22:08:44,180 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 35 states and 38 transitions. [2024-10-31 22:08:44,183 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2024-10-31 22:08:44,183 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 35 states to 24 states and 27 transitions. [2024-10-31 22:08:44,184 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 19 [2024-10-31 22:08:44,184 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 19 [2024-10-31 22:08:44,184 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 27 transitions. [2024-10-31 22:08:44,184 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-31 22:08:44,184 INFO L218 hiAutomatonCegarLoop]: Abstraction has 24 states and 27 transitions. [2024-10-31 22:08:44,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states and 27 transitions. [2024-10-31 22:08:44,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 23. [2024-10-31 22:08:44,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 21 states have (on average 1.1428571428571428) internal successors, (24), 20 states have internal predecessors, (24), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:08:44,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 26 transitions. [2024-10-31 22:08:44,189 INFO L240 hiAutomatonCegarLoop]: Abstraction has 23 states and 26 transitions. [2024-10-31 22:08:44,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-31 22:08:44,190 INFO L425 stractBuchiCegarLoop]: Abstraction has 23 states and 26 transitions. [2024-10-31 22:08:44,191 INFO L332 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2024-10-31 22:08:44,191 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 23 states and 26 transitions. [2024-10-31 22:08:44,191 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2024-10-31 22:08:44,191 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 22:08:44,191 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 22:08:44,192 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:08:44,192 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:08:44,192 INFO L745 eck$LassoCheckResult]: Stem: 456#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 449#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet7#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~nondet9#1, main_#t~post10#1, main_~i~0#1, main_~n~0#1, main_~a~0#1.base, main_~a~0#1.offset;havoc main_#t~nondet7#1;main_~n~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 450#L28 assume !(main_~n~0#1 < 1);call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnHeap(4 * main_~n~0#1 % 18446744073709551616);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;havoc main_#t~malloc8#1.base, main_#t~malloc8#1.offset;main_~i~0#1 := 0; 455#L33-3 assume !!(main_~i~0#1 < main_~n~0#1);havoc main_#t~nondet9#1;call write~int#0(main_#t~nondet9#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet9#1; 457#L33-2 main_#t~post10#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 458#L33-3 assume !!(main_~i~0#1 < main_~n~0#1);havoc main_#t~nondet9#1;call write~int#0(main_#t~nondet9#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet9#1; 447#L33-2 main_#t~post10#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 448#L33-3 assume !(main_~i~0#1 < main_~n~0#1); 443#L33-4 havoc main_~i~0#1; 441#L37 call insertionSort(0, main_~a~0#1.base, main_~a~0#1.offset, main_~n~0#1);< 440#$Ultimate##0 ~i := #in~i;~array.base, ~array.offset := #in~array.base, #in~array.offset;~size := #in~size; 442#L10 assume ~i < ~size;havoc ~j~0;call #t~mem1 := read~int#0(~array.base, ~array.offset + 4 * ~i, 4);~temp~0 := #t~mem1;havoc #t~mem1;~j~0 := ~i; 459#L15-6 #t~short3 := ~j~0 > 0; 451#L15-1 assume !#t~short3; 452#L15-3 assume !#t~short3;havoc #t~mem2;havoc #t~short3; 453#L15-7 [2024-10-31 22:08:44,192 INFO L747 eck$LassoCheckResult]: Loop: 453#L15-7 call write~int#0(~temp~0, ~array.base, ~array.offset + 4 * ~j~0, 4);#t~pre6 := 1 + ~i;~i := 1 + ~i; 445#L19 call insertionSort(#t~pre6, ~array.base, ~array.offset, ~size);< 454#$Ultimate##0 ~i := #in~i;~array.base, ~array.offset := #in~array.base, #in~array.offset;~size := #in~size; 462#L10 assume ~i < ~size;havoc ~j~0;call #t~mem1 := read~int#0(~array.base, ~array.offset + 4 * ~i, 4);~temp~0 := #t~mem1;havoc #t~mem1;~j~0 := ~i; 446#L15-6 #t~short3 := ~j~0 > 0; 461#L15-1 assume #t~short3;call #t~mem2 := read~int#0(~array.base, ~array.offset + 4 * (~j~0 - 1), 4);#t~short3 := #t~mem2 > ~temp~0; 460#L15-3 assume !#t~short3;havoc #t~mem2;havoc #t~short3; 453#L15-7 [2024-10-31 22:08:44,193 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:08:44,193 INFO L85 PathProgramCache]: Analyzing trace with hash 1188957467, now seen corresponding path program 2 times [2024-10-31 22:08:44,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:08:44,193 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1724672518] [2024-10-31 22:08:44,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:08:44,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:08:44,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:08:44,216 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:08:44,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:08:44,226 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:08:44,227 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:08:44,252 INFO L85 PathProgramCache]: Analyzing trace with hash -1066317913, now seen corresponding path program 4 times [2024-10-31 22:08:44,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:08:44,253 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [518953270] [2024-10-31 22:08:44,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:08:44,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:08:44,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:08:44,264 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:08:44,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:08:44,272 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:08:44,273 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:08:44,273 INFO L85 PathProgramCache]: Analyzing trace with hash -1611060915, now seen corresponding path program 2 times [2024-10-31 22:08:44,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:08:44,274 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1333886281] [2024-10-31 22:08:44,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:08:44,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:08:44,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:08:44,297 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:08:44,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:08:44,316 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:08:45,821 INFO L204 LassoAnalysis]: Preferences: [2024-10-31 22:08:45,821 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-31 22:08:45,821 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-31 22:08:45,822 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-31 22:08:45,822 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-31 22:08:45,822 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:08:45,822 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-31 22:08:45,822 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-31 22:08:45,822 INFO L132 ssoRankerPreferences]: Filename of dumped script: insertionSort_recursive.i_Iteration6_Lasso [2024-10-31 22:08:45,822 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-31 22:08:45,822 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-31 22:08:45,827 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:08:45,831 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:08:45,833 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:08:45,836 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:08:45,839 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:08:45,842 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:08:45,845 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:08:45,848 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:08:45,851 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:08:45,854 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:08:45,857 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:08:46,761 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:08:46,766 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:08:46,772 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:08:46,774 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:08:46,777 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:08:46,780 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:08:47,428 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-31 22:08:47,428 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-31 22:08:47,428 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:08:47,429 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:08:47,431 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:08:47,434 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-10-31 22:08:47,436 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 [2024-10-31 22:08:47,450 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:08:47,451 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:08:47,451 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:08:47,451 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:08:47,452 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:08:47,453 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:08:47,453 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:08:47,456 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:08:47,472 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2024-10-31 22:08:47,472 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:08:47,473 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:08:47,474 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:08:47,475 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2024-10-31 22:08:47,476 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 [2024-10-31 22:08:47,487 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:08:47,487 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:08:47,487 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:08:47,487 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:08:47,487 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:08:47,487 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:08:47,487 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:08:47,489 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:08:47,501 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2024-10-31 22:08:47,501 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:08:47,501 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:08:47,503 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:08:47,504 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2024-10-31 22:08:47,506 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 [2024-10-31 22:08:47,519 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:08:47,520 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:08:47,520 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:08:47,520 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:08:47,520 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:08:47,521 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:08:47,521 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:08:47,523 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:08:47,537 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2024-10-31 22:08:47,537 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:08:47,537 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:08:47,538 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:08:47,540 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2024-10-31 22:08:47,540 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 [2024-10-31 22:08:47,552 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:08:47,552 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:08:47,552 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:08:47,553 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:08:47,553 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:08:47,553 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:08:47,553 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:08:47,555 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:08:47,569 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2024-10-31 22:08:47,570 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:08:47,570 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:08:47,572 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:08:47,574 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2024-10-31 22:08:47,575 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 [2024-10-31 22:08:47,590 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:08:47,590 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:08:47,590 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:08:47,590 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:08:47,590 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:08:47,591 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:08:47,591 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:08:47,593 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:08:47,615 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2024-10-31 22:08:47,616 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:08:47,616 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:08:47,618 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:08:47,619 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2024-10-31 22:08:47,621 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 [2024-10-31 22:08:47,635 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:08:47,635 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:08:47,635 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:08:47,635 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:08:47,635 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:08:47,636 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:08:47,636 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:08:47,641 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:08:47,661 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2024-10-31 22:08:47,662 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:08:47,662 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:08:47,664 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:08:47,691 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2024-10-31 22:08:47,694 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 [2024-10-31 22:08:47,708 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:08:47,708 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:08:47,708 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:08:47,708 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:08:47,708 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:08:47,713 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:08:47,713 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:08:47,715 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:08:47,746 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2024-10-31 22:08:47,746 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:08:47,746 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:08:47,749 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:08:47,750 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2024-10-31 22:08:47,751 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 [2024-10-31 22:08:47,766 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:08:47,766 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:08:47,766 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:08:47,766 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:08:47,766 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:08:47,767 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:08:47,767 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:08:47,771 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:08:47,790 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2024-10-31 22:08:47,790 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:08:47,790 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:08:47,793 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:08:47,795 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2024-10-31 22:08:47,796 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 [2024-10-31 22:08:47,810 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:08:47,815 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:08:47,815 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:08:47,815 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:08:47,818 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:08:47,818 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:08:47,830 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:08:47,857 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2024-10-31 22:08:47,857 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:08:47,857 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:08:47,859 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:08:47,860 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2024-10-31 22:08:47,861 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 [2024-10-31 22:08:47,876 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:08:47,876 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:08:47,877 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:08:47,877 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:08:47,882 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:08:47,882 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:08:47,887 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:08:47,921 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2024-10-31 22:08:47,922 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:08:47,922 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:08:47,924 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:08:47,927 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2024-10-31 22:08:47,928 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 [2024-10-31 22:08:47,943 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:08:47,943 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2024-10-31 22:08:47,943 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:08:47,943 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:08:47,951 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2024-10-31 22:08:47,954 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:08:47,964 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:08:47,988 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2024-10-31 22:08:47,989 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:08:47,990 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:08:47,993 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:08:47,997 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2024-10-31 22:08:47,998 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 [2024-10-31 22:08:48,009 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:08:48,009 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:08:48,010 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:08:48,010 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:08:48,012 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:08:48,013 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:08:48,018 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:08:48,031 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2024-10-31 22:08:48,031 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:08:48,031 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:08:48,032 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:08:48,033 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2024-10-31 22:08:48,035 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 [2024-10-31 22:08:48,050 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:08:48,050 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:08:48,050 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:08:48,050 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:08:48,065 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:08:48,066 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:08:48,089 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-31 22:08:48,150 INFO L443 ModelExtractionUtils]: Simplification made 18 calls to the SMT solver. [2024-10-31 22:08:48,151 INFO L444 ModelExtractionUtils]: 1 out of 31 variables were initially zero. Simplification set additionally 24 variables to zero. [2024-10-31 22:08:48,151 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:08:48,151 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:08:48,153 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:08:48,157 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2024-10-31 22:08:48,158 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-31 22:08:48,174 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2024-10-31 22:08:48,174 INFO L474 LassoAnalysis]: Proved termination. [2024-10-31 22:08:48,174 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(insertionSort_~i) = -2*insertionSort_~i + 1 Supporting invariants [1*insertionSort_~array.offset - 1*v_rep(select #length insertionSort_#in~array.base)_1 + 8 >= 0] [2024-10-31 22:08:48,195 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2024-10-31 22:08:48,238 INFO L156 tatePredicateManager]: 4 out of 6 supporting invariants were superfluous and have been removed [2024-10-31 22:08:48,304 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:08:48,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:48,368 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-10-31 22:08:48,370 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:08:48,406 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-10-31 22:08:48,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:48,826 INFO L255 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-10-31 22:08:48,827 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:08:48,987 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:08:48,988 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.8 stem predicates 5 loop predicates [2024-10-31 22:08:48,988 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 23 states and 26 transitions. cyclomatic complexity: 5 Second operand has 13 states, 12 states have (on average 1.6666666666666667) internal successors, (20), 11 states have internal predecessors, (20), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:08:49,276 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 23 states and 26 transitions. cyclomatic complexity: 5. Second operand has 13 states, 12 states have (on average 1.6666666666666667) internal successors, (20), 11 states have internal predecessors, (20), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 56 states and 66 transitions. Complement of second has 23 states. [2024-10-31 22:08:49,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 14 states 8 stem states 4 non-accepting loop states 2 accepting loop states [2024-10-31 22:08:49,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 12 states have (on average 1.6666666666666667) internal successors, (20), 11 states have internal predecessors, (20), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:08:49,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 39 transitions. [2024-10-31 22:08:49,279 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states and 39 transitions. Stem has 15 letters. Loop has 7 letters. [2024-10-31 22:08:49,280 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:08:49,280 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states and 39 transitions. Stem has 22 letters. Loop has 7 letters. [2024-10-31 22:08:49,280 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:08:49,280 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states and 39 transitions. Stem has 15 letters. Loop has 14 letters. [2024-10-31 22:08:49,281 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:08:49,281 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 56 states and 66 transitions. [2024-10-31 22:08:49,283 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 12 [2024-10-31 22:08:49,285 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 56 states to 51 states and 60 transitions. [2024-10-31 22:08:49,285 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 32 [2024-10-31 22:08:49,285 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 34 [2024-10-31 22:08:49,285 INFO L73 IsDeterministic]: Start isDeterministic. Operand 51 states and 60 transitions. [2024-10-31 22:08:49,285 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-31 22:08:49,286 INFO L218 hiAutomatonCegarLoop]: Abstraction has 51 states and 60 transitions. [2024-10-31 22:08:49,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states and 60 transitions. [2024-10-31 22:08:49,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 46. [2024-10-31 22:08:49,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 42 states have (on average 1.1904761904761905) internal successors, (50), 41 states have internal predecessors, (50), 4 states have call successors, (4), 4 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:08:49,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 54 transitions. [2024-10-31 22:08:49,293 INFO L240 hiAutomatonCegarLoop]: Abstraction has 46 states and 54 transitions. [2024-10-31 22:08:49,294 INFO L425 stractBuchiCegarLoop]: Abstraction has 46 states and 54 transitions. [2024-10-31 22:08:49,295 INFO L332 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2024-10-31 22:08:49,296 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 46 states and 54 transitions. [2024-10-31 22:08:49,296 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 12 [2024-10-31 22:08:49,296 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 22:08:49,296 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 22:08:49,297 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:08:49,297 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:08:49,297 INFO L745 eck$LassoCheckResult]: Stem: 704#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 692#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet7#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~nondet9#1, main_#t~post10#1, main_~i~0#1, main_~n~0#1, main_~a~0#1.base, main_~a~0#1.offset;havoc main_#t~nondet7#1;main_~n~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 693#L28 assume !(main_~n~0#1 < 1);call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnHeap(4 * main_~n~0#1 % 18446744073709551616);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;havoc main_#t~malloc8#1.base, main_#t~malloc8#1.offset;main_~i~0#1 := 0; 703#L33-3 assume !!(main_~i~0#1 < main_~n~0#1);havoc main_#t~nondet9#1;call write~int#0(main_#t~nondet9#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet9#1; 690#L33-2 main_#t~post10#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 691#L33-3 assume !!(main_~i~0#1 < main_~n~0#1);havoc main_#t~nondet9#1;call write~int#0(main_#t~nondet9#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet9#1; 705#L33-2 main_#t~post10#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 717#L33-3 assume !!(main_~i~0#1 < main_~n~0#1);havoc main_#t~nondet9#1;call write~int#0(main_#t~nondet9#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet9#1; 718#L33-2 main_#t~post10#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 719#L33-3 assume !(main_~i~0#1 < main_~n~0#1); 716#L33-4 havoc main_~i~0#1; 678#L37 call insertionSort(0, main_~a~0#1.base, main_~a~0#1.offset, main_~n~0#1);< 677#$Ultimate##0 ~i := #in~i;~array.base, ~array.offset := #in~array.base, #in~array.offset;~size := #in~size; 679#L10 assume ~i < ~size;havoc ~j~0;call #t~mem1 := read~int#0(~array.base, ~array.offset + 4 * ~i, 4);~temp~0 := #t~mem1;havoc #t~mem1;~j~0 := ~i; 722#L15-6 #t~short3 := ~j~0 > 0; 721#L15-1 assume !#t~short3; 720#L15-3 assume !#t~short3;havoc #t~mem2;havoc #t~short3; 694#L15-7 [2024-10-31 22:08:49,297 INFO L747 eck$LassoCheckResult]: Loop: 694#L15-7 call write~int#0(~temp~0, ~array.base, ~array.offset + 4 * ~j~0, 4);#t~pre6 := 1 + ~i;~i := 1 + ~i; 686#L19 call insertionSort(#t~pre6, ~array.base, ~array.offset, ~size);< 696#$Ultimate##0 ~i := #in~i;~array.base, ~array.offset := #in~array.base, #in~array.offset;~size := #in~size; 706#L10 assume ~i < ~size;havoc ~j~0;call #t~mem1 := read~int#0(~array.base, ~array.offset + 4 * ~i, 4);~temp~0 := #t~mem1;havoc #t~mem1;~j~0 := ~i; 687#L15-6 #t~short3 := ~j~0 > 0; 697#L15-1 assume #t~short3;call #t~mem2 := read~int#0(~array.base, ~array.offset + 4 * (~j~0 - 1), 4);#t~short3 := #t~mem2 > ~temp~0; 698#L15-3 assume !#t~short3;havoc #t~mem2;havoc #t~short3; 694#L15-7 [2024-10-31 22:08:49,298 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:08:49,298 INFO L85 PathProgramCache]: Analyzing trace with hash 1084158749, now seen corresponding path program 3 times [2024-10-31 22:08:49,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:08:49,298 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1534461333] [2024-10-31 22:08:49,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:08:49,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:08:49,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:08:49,323 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:08:49,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:08:49,342 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:08:49,342 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:08:49,342 INFO L85 PathProgramCache]: Analyzing trace with hash -1066317913, now seen corresponding path program 5 times [2024-10-31 22:08:49,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:08:49,345 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1567205890] [2024-10-31 22:08:49,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:08:49,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:08:49,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:08:49,356 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:08:49,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:08:49,364 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:08:49,365 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:08:49,365 INFO L85 PathProgramCache]: Analyzing trace with hash 1280040203, now seen corresponding path program 3 times [2024-10-31 22:08:49,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:08:49,365 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1578555747] [2024-10-31 22:08:49,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:08:49,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:08:49,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:08:49,399 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:08:49,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:08:49,425 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:08:49,627 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2024-10-31 22:08:51,102 INFO L204 LassoAnalysis]: Preferences: [2024-10-31 22:08:51,102 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-31 22:08:51,102 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-31 22:08:51,102 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-31 22:08:51,102 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-31 22:08:51,102 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:08:51,102 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-31 22:08:51,103 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-31 22:08:51,103 INFO L132 ssoRankerPreferences]: Filename of dumped script: insertionSort_recursive.i_Iteration7_Lasso [2024-10-31 22:08:51,103 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-31 22:08:51,103 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-31 22:08:51,106 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:08:51,118 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:08:51,120 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:08:51,123 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:08:51,126 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:08:51,129 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:08:51,133 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:08:51,136 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:08:51,138 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:08:51,140 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:08:51,142 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:08:52,140 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:08:52,142 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:08:52,144 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:08:52,146 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:08:52,151 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:08:52,153 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:08:52,863 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-31 22:08:52,864 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-31 22:08:52,864 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:08:52,864 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:08:52,866 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:08:52,868 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2024-10-31 22:08:52,868 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 [2024-10-31 22:08:52,881 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:08:52,881 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:08:52,881 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:08:52,881 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:08:52,881 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:08:52,882 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:08:52,882 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:08:52,883 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:08:52,898 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2024-10-31 22:08:52,898 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:08:52,898 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:08:52,899 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:08:52,901 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2024-10-31 22:08:52,902 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:08:52,913 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:08:52,913 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:08:52,913 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:08:52,914 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:08:52,914 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:08:52,914 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:08:52,914 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:08:52,916 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:08:52,934 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2024-10-31 22:08:52,935 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:08:52,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:08:52,936 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:08:52,937 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2024-10-31 22:08:52,938 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 [2024-10-31 22:08:52,953 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:08:52,953 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:08:52,953 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:08:52,953 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:08:52,953 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:08:52,954 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:08:52,954 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:08:52,956 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:08:52,968 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2024-10-31 22:08:52,969 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:08:52,969 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:08:52,970 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:08:52,971 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2024-10-31 22:08:52,972 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 [2024-10-31 22:08:52,983 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:08:52,983 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:08:52,983 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:08:52,984 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:08:52,984 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:08:52,984 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:08:52,984 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:08:52,986 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:08:52,998 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2024-10-31 22:08:52,999 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:08:52,999 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:08:53,000 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:08:53,002 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2024-10-31 22:08:53,002 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:08:53,014 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:08:53,014 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:08:53,014 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:08:53,015 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:08:53,015 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:08:53,015 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:08:53,015 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:08:53,016 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:08:53,029 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2024-10-31 22:08:53,029 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:08:53,029 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:08:53,030 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:08:53,031 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2024-10-31 22:08:53,032 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 [2024-10-31 22:08:53,043 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:08:53,044 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:08:53,044 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:08:53,044 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:08:53,044 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:08:53,044 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:08:53,044 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:08:53,046 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:08:53,058 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2024-10-31 22:08:53,058 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:08:53,058 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:08:53,060 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:08:53,062 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2024-10-31 22:08:53,063 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:08:53,075 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:08:53,075 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:08:53,075 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:08:53,075 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:08:53,075 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:08:53,075 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:08:53,075 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:08:53,077 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:08:53,089 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2024-10-31 22:08:53,089 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:08:53,089 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:08:53,091 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:08:53,092 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2024-10-31 22:08:53,092 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 [2024-10-31 22:08:53,105 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:08:53,105 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:08:53,105 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:08:53,105 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:08:53,105 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:08:53,106 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:08:53,106 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:08:53,107 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:08:53,119 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2024-10-31 22:08:53,119 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:08:53,119 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:08:53,120 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:08:53,122 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2024-10-31 22:08:53,122 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 [2024-10-31 22:08:53,138 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:08:53,138 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:08:53,138 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:08:53,138 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:08:53,140 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:08:53,141 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:08:53,148 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:08:53,166 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2024-10-31 22:08:53,166 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:08:53,166 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:08:53,167 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:08:53,168 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2024-10-31 22:08:53,170 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 [2024-10-31 22:08:53,181 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:08:53,182 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:08:53,182 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:08:53,182 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:08:53,184 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:08:53,184 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:08:53,188 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:08:53,201 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2024-10-31 22:08:53,201 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:08:53,201 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:08:53,202 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:08:53,203 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2024-10-31 22:08:53,204 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 [2024-10-31 22:08:53,216 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:08:53,216 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:08:53,216 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:08:53,216 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:08:53,226 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:08:53,226 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:08:53,240 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:08:53,253 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2024-10-31 22:08:53,253 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:08:53,253 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:08:53,254 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:08:53,255 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2024-10-31 22:08:53,256 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 [2024-10-31 22:08:53,268 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:08:53,268 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:08:53,269 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:08:53,269 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:08:53,283 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:08:53,283 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:08:53,311 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-31 22:08:53,372 INFO L443 ModelExtractionUtils]: Simplification made 13 calls to the SMT solver. [2024-10-31 22:08:53,372 INFO L444 ModelExtractionUtils]: 17 out of 31 variables were initially zero. Simplification set additionally 10 variables to zero. [2024-10-31 22:08:53,372 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:08:53,373 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:08:53,375 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:08:53,377 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2024-10-31 22:08:53,378 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-31 22:08:53,395 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2024-10-31 22:08:53,395 INFO L474 LassoAnalysis]: Proved termination. [2024-10-31 22:08:53,395 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length insertionSort_#in~array.base)_2, insertionSort_~j~0) = 1*v_rep(select #length insertionSort_#in~array.base)_2 - 2*insertionSort_~j~0 Supporting invariants [1*insertionSort_~array.offset >= 0] [2024-10-31 22:08:53,415 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2024-10-31 22:08:53,443 INFO L156 tatePredicateManager]: 3 out of 6 supporting invariants were superfluous and have been removed [2024-10-31 22:08:53,450 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-10-31 22:08:53,451 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-10-31 22:08:53,485 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:08:53,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:53,519 INFO L255 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-10-31 22:08:53,520 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:08:53,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:53,683 INFO L255 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-10-31 22:08:53,684 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:08:53,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:08:53,873 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.5 stem predicates 5 loop predicates [2024-10-31 22:08:53,873 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 46 states and 54 transitions. cyclomatic complexity: 12 Second operand has 10 states, 9 states have (on average 2.0) internal successors, (18), 8 states have internal predecessors, (18), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:08:54,055 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 46 states and 54 transitions. cyclomatic complexity: 12. Second operand has 10 states, 9 states have (on average 2.0) internal successors, (18), 8 states have internal predecessors, (18), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 87 states and 106 transitions. Complement of second has 18 states. [2024-10-31 22:08:54,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 10 states 5 stem states 4 non-accepting loop states 1 accepting loop states [2024-10-31 22:08:54,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 9 states have (on average 2.0) internal successors, (18), 8 states have internal predecessors, (18), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:08:54,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 23 transitions. [2024-10-31 22:08:54,057 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 23 transitions. Stem has 17 letters. Loop has 7 letters. [2024-10-31 22:08:54,058 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:08:54,058 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 23 transitions. Stem has 24 letters. Loop has 7 letters. [2024-10-31 22:08:54,058 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:08:54,058 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 23 transitions. Stem has 17 letters. Loop has 14 letters. [2024-10-31 22:08:54,059 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:08:54,059 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 87 states and 106 transitions. [2024-10-31 22:08:54,065 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 12 [2024-10-31 22:08:54,066 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 87 states to 72 states and 88 transitions. [2024-10-31 22:08:54,066 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 36 [2024-10-31 22:08:54,067 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 38 [2024-10-31 22:08:54,067 INFO L73 IsDeterministic]: Start isDeterministic. Operand 72 states and 88 transitions. [2024-10-31 22:08:54,067 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-31 22:08:54,067 INFO L218 hiAutomatonCegarLoop]: Abstraction has 72 states and 88 transitions. [2024-10-31 22:08:54,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states and 88 transitions. [2024-10-31 22:08:54,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 65. [2024-10-31 22:08:54,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 59 states have (on average 1.2542372881355932) internal successors, (74), 58 states have internal predecessors, (74), 6 states have call successors, (6), 6 states have call predecessors, (6), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:08:54,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 80 transitions. [2024-10-31 22:08:54,074 INFO L240 hiAutomatonCegarLoop]: Abstraction has 65 states and 80 transitions. [2024-10-31 22:08:54,074 INFO L425 stractBuchiCegarLoop]: Abstraction has 65 states and 80 transitions. [2024-10-31 22:08:54,074 INFO L332 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2024-10-31 22:08:54,074 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 65 states and 80 transitions. [2024-10-31 22:08:54,075 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 12 [2024-10-31 22:08:54,075 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 22:08:54,075 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 22:08:54,076 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:08:54,076 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-10-31 22:08:54,076 INFO L745 eck$LassoCheckResult]: Stem: 990#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 974#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet7#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~nondet9#1, main_#t~post10#1, main_~i~0#1, main_~n~0#1, main_~a~0#1.base, main_~a~0#1.offset;havoc main_#t~nondet7#1;main_~n~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 975#L28 assume !(main_~n~0#1 < 1);call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnHeap(4 * main_~n~0#1 % 18446744073709551616);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;havoc main_#t~malloc8#1.base, main_#t~malloc8#1.offset;main_~i~0#1 := 0; 989#L33-3 assume !!(main_~i~0#1 < main_~n~0#1);havoc main_#t~nondet9#1;call write~int#0(main_#t~nondet9#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet9#1; 972#L33-2 main_#t~post10#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 973#L33-3 assume !!(main_~i~0#1 < main_~n~0#1);havoc main_#t~nondet9#1;call write~int#0(main_#t~nondet9#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet9#1; 991#L33-2 main_#t~post10#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 1020#L33-3 assume !(main_~i~0#1 < main_~n~0#1); 1019#L33-4 havoc main_~i~0#1; 984#L37 call insertionSort(0, main_~a~0#1.base, main_~a~0#1.offset, main_~n~0#1);< 1018#$Ultimate##0 ~i := #in~i;~array.base, ~array.offset := #in~array.base, #in~array.offset;~size := #in~size; 992#L10 assume ~i < ~size;havoc ~j~0;call #t~mem1 := read~int#0(~array.base, ~array.offset + 4 * ~i, 4);~temp~0 := #t~mem1;havoc #t~mem1;~j~0 := ~i; 993#L15-6 #t~short3 := ~j~0 > 0; 1023#L15-1 assume !#t~short3; 986#L15-3 assume !#t~short3;havoc #t~mem2;havoc #t~short3; 983#L15-7 call write~int#0(~temp~0, ~array.base, ~array.offset + 4 * ~j~0, 4);#t~pre6 := 1 + ~i;~i := 1 + ~i; 968#L19 call insertionSort(#t~pre6, ~array.base, ~array.offset, ~size);< 1017#$Ultimate##0 ~i := #in~i;~array.base, ~array.offset := #in~array.base, #in~array.offset;~size := #in~size; 1016#L10 assume ~i < ~size;havoc ~j~0;call #t~mem1 := read~int#0(~array.base, ~array.offset + 4 * ~i, 4);~temp~0 := #t~mem1;havoc #t~mem1;~j~0 := ~i; 1014#L15-6 #t~short3 := ~j~0 > 0; 979#L15-1 [2024-10-31 22:08:54,076 INFO L747 eck$LassoCheckResult]: Loop: 979#L15-1 assume #t~short3;call #t~mem2 := read~int#0(~array.base, ~array.offset + 4 * (~j~0 - 1), 4);#t~short3 := #t~mem2 > ~temp~0; 980#L15-3 assume !!#t~short3;havoc #t~mem2;havoc #t~short3;call #t~mem4 := read~int#0(~array.base, ~array.offset + 4 * (~j~0 - 1), 4);call write~int#0(#t~mem4, ~array.base, ~array.offset + 4 * ~j~0, 4); 967#L15-5 #t~post5 := ~j~0;~j~0 := #t~post5 - 1;havoc #t~post5; 969#L15-6 #t~short3 := ~j~0 > 0; 979#L15-1 [2024-10-31 22:08:54,076 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:08:54,077 INFO L85 PathProgramCache]: Analyzing trace with hash -1302233657, now seen corresponding path program 1 times [2024-10-31 22:08:54,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:08:54,080 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [910041635] [2024-10-31 22:08:54,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:08:54,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:08:54,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:08:54,097 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:08:54,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:08:54,110 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:08:54,110 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:08:54,111 INFO L85 PathProgramCache]: Analyzing trace with hash 1239356, now seen corresponding path program 1 times [2024-10-31 22:08:54,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:08:54,111 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1619079331] [2024-10-31 22:08:54,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:08:54,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:08:54,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:08:54,116 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:08:54,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:08:54,119 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:08:54,120 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:08:54,120 INFO L85 PathProgramCache]: Analyzing trace with hash -2041310206, now seen corresponding path program 1 times [2024-10-31 22:08:54,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:08:54,120 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1167927950] [2024-10-31 22:08:54,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:08:54,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:08:54,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:08:54,136 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:08:54,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:08:54,150 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:08:54,356 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2024-10-31 22:08:56,037 INFO L204 LassoAnalysis]: Preferences: [2024-10-31 22:08:56,037 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-31 22:08:56,037 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-31 22:08:56,037 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-31 22:08:56,037 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-31 22:08:56,037 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:08:56,037 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-31 22:08:56,037 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-31 22:08:56,037 INFO L132 ssoRankerPreferences]: Filename of dumped script: insertionSort_recursive.i_Iteration8_Lasso [2024-10-31 22:08:56,037 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-31 22:08:56,038 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-31 22:08:56,040 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:08:56,045 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:08:56,048 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:08:56,051 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:08:56,054 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:08:56,057 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:08:56,531 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:08:56,533 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:08:56,536 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:08:56,538 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:08:56,540 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:08:56,542 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:08:56,544 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:08:56,546 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:08:56,548 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:08:56,550 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:08:56,552 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:08:56,554 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:08:57,062 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-31 22:08:57,062 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-31 22:08:57,062 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:08:57,062 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:08:57,070 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:08:57,071 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2024-10-31 22:08:57,072 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 [2024-10-31 22:08:57,086 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:08:57,086 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:08:57,086 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:08:57,086 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:08:57,086 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:08:57,087 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:08:57,087 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:08:57,088 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:08:57,106 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2024-10-31 22:08:57,107 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:08:57,107 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:08:57,108 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:08:57,109 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2024-10-31 22:08:57,109 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 [2024-10-31 22:08:57,120 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:08:57,120 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:08:57,120 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:08:57,121 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:08:57,122 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:08:57,122 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:08:57,125 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:08:57,138 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2024-10-31 22:08:57,138 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:08:57,138 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:08:57,139 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:08:57,140 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2024-10-31 22:08:57,141 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 [2024-10-31 22:08:57,152 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:08:57,152 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:08:57,152 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:08:57,152 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:08:57,152 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:08:57,153 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:08:57,153 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:08:57,154 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:08:57,166 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2024-10-31 22:08:57,167 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:08:57,167 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:08:57,168 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:08:57,169 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2024-10-31 22:08:57,170 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 [2024-10-31 22:08:57,181 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:08:57,181 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:08:57,182 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:08:57,182 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:08:57,182 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:08:57,182 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:08:57,182 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:08:57,184 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:08:57,195 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2024-10-31 22:08:57,196 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:08:57,196 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:08:57,197 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:08:57,198 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2024-10-31 22:08:57,199 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 [2024-10-31 22:08:57,209 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:08:57,210 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:08:57,210 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:08:57,210 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:08:57,211 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:08:57,211 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:08:57,215 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:08:57,227 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2024-10-31 22:08:57,227 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:08:57,227 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:08:57,228 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:08:57,229 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2024-10-31 22:08:57,230 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:08:57,241 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:08:57,241 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2024-10-31 22:08:57,242 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:08:57,242 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:08:57,245 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2024-10-31 22:08:57,245 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:08:57,252 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:08:57,268 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2024-10-31 22:08:57,268 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:08:57,268 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:08:57,269 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:08:57,270 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2024-10-31 22:08:57,271 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 [2024-10-31 22:08:57,282 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:08:57,282 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:08:57,282 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:08:57,282 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:08:57,284 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:08:57,284 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:08:57,288 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:08:57,299 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2024-10-31 22:08:57,300 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:08:57,300 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:08:57,301 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:08:57,302 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2024-10-31 22:08:57,303 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 [2024-10-31 22:08:57,314 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:08:57,314 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:08:57,314 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:08:57,314 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:08:57,316 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:08:57,316 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:08:57,319 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:08:57,331 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2024-10-31 22:08:57,331 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:08:57,331 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:08:57,332 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:08:57,333 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2024-10-31 22:08:57,334 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 [2024-10-31 22:08:57,345 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:08:57,345 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:08:57,345 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:08:57,345 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:08:57,347 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:08:57,347 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:08:57,354 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:08:57,372 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2024-10-31 22:08:57,372 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:08:57,373 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:08:57,375 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:08:57,377 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2024-10-31 22:08:57,378 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 [2024-10-31 22:08:57,392 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:08:57,392 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:08:57,392 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:08:57,392 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:08:57,394 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:08:57,395 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:08:57,400 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:08:57,417 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2024-10-31 22:08:57,417 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:08:57,418 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:08:57,420 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:08:57,421 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2024-10-31 22:08:57,422 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 [2024-10-31 22:08:57,436 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:08:57,436 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:08:57,436 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:08:57,436 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:08:57,438 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:08:57,439 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:08:57,443 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:08:57,460 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2024-10-31 22:08:57,461 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:08:57,461 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:08:57,463 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:08:57,464 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2024-10-31 22:08:57,465 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 [2024-10-31 22:08:57,480 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:08:57,480 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:08:57,481 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-10-31 22:08:57,481 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:08:57,495 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2024-10-31 22:08:57,495 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2024-10-31 22:08:57,556 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-31 22:08:57,648 INFO L443 ModelExtractionUtils]: Simplification made 16 calls to the SMT solver. [2024-10-31 22:08:57,648 INFO L444 ModelExtractionUtils]: 18 out of 36 variables were initially zero. Simplification set additionally 16 variables to zero. [2024-10-31 22:08:57,648 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:08:57,648 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:08:57,650 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:08:57,652 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2024-10-31 22:08:57,653 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-31 22:08:57,673 INFO L438 nArgumentSynthesizer]: Removed 4 redundant supporting invariants from a total of 4. [2024-10-31 22:08:57,673 INFO L474 LassoAnalysis]: Proved termination. [2024-10-31 22:08:57,673 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(insertionSort_~j~0) = 1*insertionSort_~j~0 Supporting invariants [] [2024-10-31 22:08:57,692 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2024-10-31 22:08:57,711 INFO L156 tatePredicateManager]: 5 out of 6 supporting invariants were superfluous and have been removed [2024-10-31 22:08:57,738 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:08:57,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:57,781 INFO L255 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-10-31 22:08:57,782 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:08:57,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:57,915 INFO L255 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-31 22:08:57,916 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:08:57,975 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:08:57,976 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.4 stem predicates 3 loop predicates [2024-10-31 22:08:57,976 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 65 states and 80 transitions. cyclomatic complexity: 21 Second operand has 7 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 6 states have internal predecessors, (18), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:08:58,048 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 65 states and 80 transitions. cyclomatic complexity: 21. Second operand has 7 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 6 states have internal predecessors, (18), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 69 states and 84 transitions. Complement of second has 8 states. [2024-10-31 22:08:58,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 4 stem states 1 non-accepting loop states 1 accepting loop states [2024-10-31 22:08:58,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 6 states have internal predecessors, (18), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:08:58,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 13 transitions. [2024-10-31 22:08:58,052 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 13 transitions. Stem has 20 letters. Loop has 4 letters. [2024-10-31 22:08:58,052 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:08:58,052 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-10-31 22:08:58,075 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:08:58,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:58,124 INFO L255 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-10-31 22:08:58,125 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:08:58,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:58,270 INFO L255 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-31 22:08:58,271 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:08:58,342 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:08:58,343 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.4 stem predicates 3 loop predicates [2024-10-31 22:08:58,343 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 65 states and 80 transitions. cyclomatic complexity: 21 Second operand has 7 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 6 states have internal predecessors, (18), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:08:58,406 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 65 states and 80 transitions. cyclomatic complexity: 21. Second operand has 7 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 6 states have internal predecessors, (18), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 69 states and 84 transitions. Complement of second has 8 states. [2024-10-31 22:08:58,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 4 stem states 1 non-accepting loop states 1 accepting loop states [2024-10-31 22:08:58,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 6 states have internal predecessors, (18), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:08:58,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 13 transitions. [2024-10-31 22:08:58,408 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 13 transitions. Stem has 20 letters. Loop has 4 letters. [2024-10-31 22:08:58,408 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:08:58,408 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-10-31 22:08:58,443 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:08:58,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:58,488 INFO L255 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-10-31 22:08:58,490 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:08:58,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:58,610 INFO L255 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-31 22:08:58,611 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:08:58,676 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:08:58,677 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.4 stem predicates 3 loop predicates [2024-10-31 22:08:58,677 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 65 states and 80 transitions. cyclomatic complexity: 21 Second operand has 7 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 6 states have internal predecessors, (18), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:08:58,807 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 65 states and 80 transitions. cyclomatic complexity: 21. Second operand has 7 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 6 states have internal predecessors, (18), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 118 states and 153 transitions. Complement of second has 16 states. [2024-10-31 22:08:58,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 4 stem states 2 non-accepting loop states 1 accepting loop states [2024-10-31 22:08:58,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 6 states have internal predecessors, (18), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:08:58,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 29 transitions. [2024-10-31 22:08:58,815 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 29 transitions. Stem has 20 letters. Loop has 4 letters. [2024-10-31 22:08:58,816 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:08:58,816 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 29 transitions. Stem has 24 letters. Loop has 4 letters. [2024-10-31 22:08:58,816 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:08:58,816 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 29 transitions. Stem has 20 letters. Loop has 8 letters. [2024-10-31 22:08:58,822 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:08:58,822 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 118 states and 153 transitions. [2024-10-31 22:08:58,826 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 17 [2024-10-31 22:08:58,831 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 118 states to 48 states and 58 transitions. [2024-10-31 22:08:58,832 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 21 [2024-10-31 22:08:58,832 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 25 [2024-10-31 22:08:58,832 INFO L73 IsDeterministic]: Start isDeterministic. Operand 48 states and 58 transitions. [2024-10-31 22:08:58,832 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-31 22:08:58,832 INFO L218 hiAutomatonCegarLoop]: Abstraction has 48 states and 58 transitions. [2024-10-31 22:08:58,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states and 58 transitions. [2024-10-31 22:08:58,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 38. [2024-10-31 22:08:58,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 35 states have (on average 1.2857142857142858) internal successors, (45), 34 states have internal predecessors, (45), 3 states have call successors, (3), 3 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:08:58,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 48 transitions. [2024-10-31 22:08:58,843 INFO L240 hiAutomatonCegarLoop]: Abstraction has 38 states and 48 transitions. [2024-10-31 22:08:58,843 INFO L425 stractBuchiCegarLoop]: Abstraction has 38 states and 48 transitions. [2024-10-31 22:08:58,843 INFO L332 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2024-10-31 22:08:58,843 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 38 states and 48 transitions. [2024-10-31 22:08:58,848 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 12 [2024-10-31 22:08:58,848 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 22:08:58,848 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 22:08:58,849 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:08:58,849 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:08:58,849 INFO L745 eck$LassoCheckResult]: Stem: 1622#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1611#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet7#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~nondet9#1, main_#t~post10#1, main_~i~0#1, main_~n~0#1, main_~a~0#1.base, main_~a~0#1.offset;havoc main_#t~nondet7#1;main_~n~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 1612#L28 assume !(main_~n~0#1 < 1);call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnHeap(4 * main_~n~0#1 % 18446744073709551616);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;havoc main_#t~malloc8#1.base, main_#t~malloc8#1.offset;main_~i~0#1 := 0; 1621#L33-3 assume !!(main_~i~0#1 < main_~n~0#1);havoc main_#t~nondet9#1;call write~int#0(main_#t~nondet9#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet9#1; 1623#L33-2 main_#t~post10#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 1624#L33-3 assume !!(main_~i~0#1 < main_~n~0#1);havoc main_#t~nondet9#1;call write~int#0(main_#t~nondet9#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet9#1; 1609#L33-2 main_#t~post10#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 1610#L33-3 assume !!(main_~i~0#1 < main_~n~0#1);havoc main_#t~nondet9#1;call write~int#0(main_#t~nondet9#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet9#1; 1631#L33-2 main_#t~post10#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 1630#L33-3 assume !(main_~i~0#1 < main_~n~0#1); 1599#L33-4 havoc main_~i~0#1; 1600#L37 call insertionSort(0, main_~a~0#1.base, main_~a~0#1.offset, main_~n~0#1);< 1601#$Ultimate##0 ~i := #in~i;~array.base, ~array.offset := #in~array.base, #in~array.offset;~size := #in~size; 1602#L10 assume ~i < ~size;havoc ~j~0;call #t~mem1 := read~int#0(~array.base, ~array.offset + 4 * ~i, 4);~temp~0 := #t~mem1;havoc #t~mem1;~j~0 := ~i; 1635#L15-6 #t~short3 := ~j~0 > 0; 1634#L15-1 assume !#t~short3; 1619#L15-3 assume !#t~short3;havoc #t~mem2;havoc #t~short3; 1616#L15-7 call write~int#0(~temp~0, ~array.base, ~array.offset + 4 * ~j~0, 4);#t~pre6 := 1 + ~i;~i := 1 + ~i; 1604#L19 call insertionSort(#t~pre6, ~array.base, ~array.offset, ~size);< 1603#$Ultimate##0 ~i := #in~i;~array.base, ~array.offset := #in~array.base, #in~array.offset;~size := #in~size; 1605#L10 assume ~i < ~size;havoc ~j~0;call #t~mem1 := read~int#0(~array.base, ~array.offset + 4 * ~i, 4);~temp~0 := #t~mem1;havoc #t~mem1;~j~0 := ~i; 1627#L15-6 #t~short3 := ~j~0 > 0; 1613#L15-1 assume !#t~short3; 1614#L15-3 assume !!#t~short3;havoc #t~mem2;havoc #t~short3;call #t~mem4 := read~int#0(~array.base, ~array.offset + 4 * (~j~0 - 1), 4);call write~int#0(#t~mem4, ~array.base, ~array.offset + 4 * ~j~0, 4); 1606#L15-5 #t~post5 := ~j~0;~j~0 := #t~post5 - 1;havoc #t~post5; 1608#L15-6 #t~short3 := ~j~0 > 0; 1636#L15-1 [2024-10-31 22:08:58,849 INFO L747 eck$LassoCheckResult]: Loop: 1636#L15-1 assume #t~short3;call #t~mem2 := read~int#0(~array.base, ~array.offset + 4 * (~j~0 - 1), 4);#t~short3 := #t~mem2 > ~temp~0; 1633#L15-3 assume !#t~short3;havoc #t~mem2;havoc #t~short3; 1632#L15-7 call write~int#0(~temp~0, ~array.base, ~array.offset + 4 * ~j~0, 4);#t~pre6 := 1 + ~i;~i := 1 + ~i; 1607#L19 call insertionSort(#t~pre6, ~array.base, ~array.offset, ~size);< 1618#$Ultimate##0 ~i := #in~i;~array.base, ~array.offset := #in~array.base, #in~array.offset;~size := #in~size; 1625#L10 assume ~i < ~size;havoc ~j~0;call #t~mem1 := read~int#0(~array.base, ~array.offset + 4 * ~i, 4);~temp~0 := #t~mem1;havoc #t~mem1;~j~0 := ~i; 1626#L15-6 #t~short3 := ~j~0 > 0; 1628#L15-1 assume #t~short3;call #t~mem2 := read~int#0(~array.base, ~array.offset + 4 * (~j~0 - 1), 4);#t~short3 := #t~mem2 > ~temp~0; 1614#L15-3 assume !!#t~short3;havoc #t~mem2;havoc #t~short3;call #t~mem4 := read~int#0(~array.base, ~array.offset + 4 * (~j~0 - 1), 4);call write~int#0(#t~mem4, ~array.base, ~array.offset + 4 * ~j~0, 4); 1606#L15-5 #t~post5 := ~j~0;~j~0 := #t~post5 - 1;havoc #t~post5; 1608#L15-6 #t~short3 := ~j~0 > 0; 1636#L15-1 [2024-10-31 22:08:58,850 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:08:58,850 INFO L85 PathProgramCache]: Analyzing trace with hash 1758050558, now seen corresponding path program 1 times [2024-10-31 22:08:58,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:08:58,850 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1328081622] [2024-10-31 22:08:58,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:08:58,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:08:58,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:58,964 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-10-31 22:08:58,964 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:08:58,964 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1328081622] [2024-10-31 22:08:58,965 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1328081622] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:08:58,965 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:08:58,965 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-31 22:08:58,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1670158613] [2024-10-31 22:08:58,965 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:08:58,965 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-10-31 22:08:58,966 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:08:58,966 INFO L85 PathProgramCache]: Analyzing trace with hash -1842592362, now seen corresponding path program 1 times [2024-10-31 22:08:58,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:08:58,966 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1597319954] [2024-10-31 22:08:58,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:08:58,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:08:59,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:08:59,000 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:08:59,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:08:59,020 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:09:00,101 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2024-10-31 22:09:00,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:09:00,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:09:00,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:09:00,264 INFO L87 Difference]: Start difference. First operand 38 states and 48 transitions. cyclomatic complexity: 13 Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:09:00,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:09:00,272 INFO L93 Difference]: Finished difference Result 41 states and 50 transitions. [2024-10-31 22:09:00,272 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 41 states and 50 transitions. [2024-10-31 22:09:00,272 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 13 [2024-10-31 22:09:00,273 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 41 states to 40 states and 47 transitions. [2024-10-31 22:09:00,273 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 22 [2024-10-31 22:09:00,273 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 22 [2024-10-31 22:09:00,273 INFO L73 IsDeterministic]: Start isDeterministic. Operand 40 states and 47 transitions. [2024-10-31 22:09:00,273 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-31 22:09:00,273 INFO L218 hiAutomatonCegarLoop]: Abstraction has 40 states and 47 transitions. [2024-10-31 22:09:00,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states and 47 transitions. [2024-10-31 22:09:00,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 38. [2024-10-31 22:09:00,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 35 states have (on average 1.2) internal successors, (42), 34 states have internal predecessors, (42), 3 states have call successors, (3), 3 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:09:00,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 45 transitions. [2024-10-31 22:09:00,276 INFO L240 hiAutomatonCegarLoop]: Abstraction has 38 states and 45 transitions. [2024-10-31 22:09:00,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:09:00,278 INFO L425 stractBuchiCegarLoop]: Abstraction has 38 states and 45 transitions. [2024-10-31 22:09:00,278 INFO L332 stractBuchiCegarLoop]: ======== Iteration 10 ============ [2024-10-31 22:09:00,279 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 38 states and 45 transitions. [2024-10-31 22:09:00,279 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 12 [2024-10-31 22:09:00,279 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 22:09:00,279 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 22:09:00,280 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:09:00,280 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:09:00,280 INFO L745 eck$LassoCheckResult]: Stem: 1707#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1696#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet7#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~nondet9#1, main_#t~post10#1, main_~i~0#1, main_~n~0#1, main_~a~0#1.base, main_~a~0#1.offset;havoc main_#t~nondet7#1;main_~n~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 1697#L28 assume !(main_~n~0#1 < 1);call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnHeap(4 * main_~n~0#1 % 18446744073709551616);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;havoc main_#t~malloc8#1.base, main_#t~malloc8#1.offset;main_~i~0#1 := 0; 1706#L33-3 assume !!(main_~i~0#1 < main_~n~0#1);havoc main_#t~nondet9#1;call write~int#0(main_#t~nondet9#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet9#1; 1694#L33-2 main_#t~post10#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 1695#L33-3 assume !!(main_~i~0#1 < main_~n~0#1);havoc main_#t~nondet9#1;call write~int#0(main_#t~nondet9#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet9#1; 1708#L33-2 main_#t~post10#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 1718#L33-3 assume !!(main_~i~0#1 < main_~n~0#1);havoc main_#t~nondet9#1;call write~int#0(main_#t~nondet9#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet9#1; 1717#L33-2 main_#t~post10#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 1716#L33-3 assume !(main_~i~0#1 < main_~n~0#1); 1690#L33-4 havoc main_~i~0#1; 1691#L37 call insertionSort(0, main_~a~0#1.base, main_~a~0#1.offset, main_~n~0#1);< 1704#$Ultimate##0 ~i := #in~i;~array.base, ~array.offset := #in~array.base, #in~array.offset;~size := #in~size; 1721#L10 assume ~i < ~size;havoc ~j~0;call #t~mem1 := read~int#0(~array.base, ~array.offset + 4 * ~i, 4);~temp~0 := #t~mem1;havoc #t~mem1;~j~0 := ~i; 1720#L15-6 #t~short3 := ~j~0 > 0; 1719#L15-1 assume !#t~short3; 1705#L15-3 assume !#t~short3;havoc #t~mem2;havoc #t~short3; 1702#L15-7 call write~int#0(~temp~0, ~array.base, ~array.offset + 4 * ~j~0, 4);#t~pre6 := 1 + ~i;~i := 1 + ~i; 1688#L19 call insertionSort(#t~pre6, ~array.base, ~array.offset, ~size);< 1687#$Ultimate##0 ~i := #in~i;~array.base, ~array.offset := #in~array.base, #in~array.offset;~size := #in~size; 1689#L10 assume ~i < ~size;havoc ~j~0;call #t~mem1 := read~int#0(~array.base, ~array.offset + 4 * ~i, 4);~temp~0 := #t~mem1;havoc #t~mem1;~j~0 := ~i; 1710#L15-6 #t~short3 := ~j~0 > 0; 1712#L15-1 assume #t~short3;call #t~mem2 := read~int#0(~array.base, ~array.offset + 4 * (~j~0 - 1), 4);#t~short3 := #t~mem2 > ~temp~0; 1713#L15-3 assume !!#t~short3;havoc #t~mem2;havoc #t~short3;call #t~mem4 := read~int#0(~array.base, ~array.offset + 4 * (~j~0 - 1), 4);call write~int#0(#t~mem4, ~array.base, ~array.offset + 4 * ~j~0, 4); 1692#L15-5 #t~post5 := ~j~0;~j~0 := #t~post5 - 1;havoc #t~post5; 1693#L15-6 #t~short3 := ~j~0 > 0; 1698#L15-1 [2024-10-31 22:09:00,281 INFO L747 eck$LassoCheckResult]: Loop: 1698#L15-1 assume #t~short3;call #t~mem2 := read~int#0(~array.base, ~array.offset + 4 * (~j~0 - 1), 4);#t~short3 := #t~mem2 > ~temp~0; 1699#L15-3 assume !#t~short3;havoc #t~mem2;havoc #t~short3; 1715#L15-7 call write~int#0(~temp~0, ~array.base, ~array.offset + 4 * ~j~0, 4);#t~pre6 := 1 + ~i;~i := 1 + ~i; 1685#L19 call insertionSort(#t~pre6, ~array.base, ~array.offset, ~size);< 1684#$Ultimate##0 ~i := #in~i;~array.base, ~array.offset := #in~array.base, #in~array.offset;~size := #in~size; 1686#L10 assume ~i < ~size;havoc ~j~0;call #t~mem1 := read~int#0(~array.base, ~array.offset + 4 * ~i, 4);~temp~0 := #t~mem1;havoc #t~mem1;~j~0 := ~i; 1709#L15-6 #t~short3 := ~j~0 > 0; 1711#L15-1 assume #t~short3;call #t~mem2 := read~int#0(~array.base, ~array.offset + 4 * (~j~0 - 1), 4);#t~short3 := #t~mem2 > ~temp~0; 1713#L15-3 assume !!#t~short3;havoc #t~mem2;havoc #t~short3;call #t~mem4 := read~int#0(~array.base, ~array.offset + 4 * (~j~0 - 1), 4);call write~int#0(#t~mem4, ~array.base, ~array.offset + 4 * ~j~0, 4); 1692#L15-5 #t~post5 := ~j~0;~j~0 := #t~post5 - 1;havoc #t~post5; 1693#L15-6 #t~short3 := ~j~0 > 0; 1698#L15-1 [2024-10-31 22:09:00,281 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:09:00,281 INFO L85 PathProgramCache]: Analyzing trace with hash 1757990976, now seen corresponding path program 2 times [2024-10-31 22:09:00,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:09:00,281 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [463452279] [2024-10-31 22:09:00,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:09:00,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:09:00,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:09:00,300 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:09:00,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:09:00,316 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:09:00,317 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:09:00,317 INFO L85 PathProgramCache]: Analyzing trace with hash -1842592362, now seen corresponding path program 2 times [2024-10-31 22:09:00,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:09:00,317 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [195574001] [2024-10-31 22:09:00,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:09:00,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:09:00,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:09:00,328 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:09:00,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:09:00,339 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:09:00,339 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:09:00,340 INFO L85 PathProgramCache]: Analyzing trace with hash -1753667593, now seen corresponding path program 3 times [2024-10-31 22:09:00,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:09:00,340 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [578574686] [2024-10-31 22:09:00,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:09:00,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:09:00,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:09:00,541 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 21 proven. 8 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-10-31 22:09:00,541 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:09:00,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [578574686] [2024-10-31 22:09:00,542 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [578574686] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 22:09:00,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1693939339] [2024-10-31 22:09:00,542 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-31 22:09:00,542 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:09:00,542 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:09:00,544 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:09:00,546 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43ddce82-06f7-4b18-bec0-d068e684c5df/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Waiting until timeout for monitored process [2024-10-31 22:09:00,657 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-10-31 22:09:00,657 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-31 22:09:00,659 INFO L255 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-31 22:09:00,661 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:09:00,719 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 21 proven. 8 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-10-31 22:09:00,719 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-31 22:09:00,800 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 21 proven. 8 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-10-31 22:09:00,801 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1693939339] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-31 22:09:00,801 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-31 22:09:00,801 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 12 [2024-10-31 22:09:00,804 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1888444398] [2024-10-31 22:09:00,804 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-31 22:09:02,129 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:09:02,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-31 22:09:02,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2024-10-31 22:09:02,130 INFO L87 Difference]: Start difference. First operand 38 states and 45 transitions. cyclomatic complexity: 10 Second operand has 12 states, 11 states have (on average 3.1818181818181817) internal successors, (35), 9 states have internal predecessors, (35), 3 states have call successors, (4), 4 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:09:02,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:09:02,380 INFO L93 Difference]: Finished difference Result 58 states and 67 transitions. [2024-10-31 22:09:02,380 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 58 states and 67 transitions. [2024-10-31 22:09:02,381 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 13 [2024-10-31 22:09:02,382 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 58 states to 57 states and 66 transitions. [2024-10-31 22:09:02,382 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 27 [2024-10-31 22:09:02,382 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 30 [2024-10-31 22:09:02,382 INFO L73 IsDeterministic]: Start isDeterministic. Operand 57 states and 66 transitions. [2024-10-31 22:09:02,382 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-31 22:09:02,382 INFO L218 hiAutomatonCegarLoop]: Abstraction has 57 states and 66 transitions. [2024-10-31 22:09:02,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states and 66 transitions. [2024-10-31 22:09:02,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 47. [2024-10-31 22:09:02,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 43 states have (on average 1.186046511627907) internal successors, (51), 42 states have internal predecessors, (51), 4 states have call successors, (4), 4 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:09:02,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 55 transitions. [2024-10-31 22:09:02,386 INFO L240 hiAutomatonCegarLoop]: Abstraction has 47 states and 55 transitions. [2024-10-31 22:09:02,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-31 22:09:02,394 INFO L425 stractBuchiCegarLoop]: Abstraction has 47 states and 55 transitions. [2024-10-31 22:09:02,394 INFO L332 stractBuchiCegarLoop]: ======== Iteration 11 ============ [2024-10-31 22:09:02,395 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 47 states and 55 transitions. [2024-10-31 22:09:02,395 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 12 [2024-10-31 22:09:02,395 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 22:09:02,395 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 22:09:02,396 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:09:02,396 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:09:02,396 INFO L745 eck$LassoCheckResult]: Stem: 2056#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 2046#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet7#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~nondet9#1, main_#t~post10#1, main_~i~0#1, main_~n~0#1, main_~a~0#1.base, main_~a~0#1.offset;havoc main_#t~nondet7#1;main_~n~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 2047#L28 assume !(main_~n~0#1 < 1);call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnHeap(4 * main_~n~0#1 % 18446744073709551616);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;havoc main_#t~malloc8#1.base, main_#t~malloc8#1.offset;main_~i~0#1 := 0; 2055#L33-3 assume !!(main_~i~0#1 < main_~n~0#1);havoc main_#t~nondet9#1;call write~int#0(main_#t~nondet9#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet9#1; 2057#L33-2 main_#t~post10#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 2058#L33-3 assume !!(main_~i~0#1 < main_~n~0#1);havoc main_#t~nondet9#1;call write~int#0(main_#t~nondet9#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet9#1; 2044#L33-2 main_#t~post10#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 2045#L33-3 assume !!(main_~i~0#1 < main_~n~0#1);havoc main_#t~nondet9#1;call write~int#0(main_#t~nondet9#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet9#1; 2064#L33-2 main_#t~post10#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 2063#L33-3 assume !(main_~i~0#1 < main_~n~0#1); 2031#L33-4 havoc main_~i~0#1; 2032#L37 call insertionSort(0, main_~a~0#1.base, main_~a~0#1.offset, main_~n~0#1);< 2033#$Ultimate##0 ~i := #in~i;~array.base, ~array.offset := #in~array.base, #in~array.offset;~size := #in~size; 2034#L10 assume ~i < ~size;havoc ~j~0;call #t~mem1 := read~int#0(~array.base, ~array.offset + 4 * ~i, 4);~temp~0 := #t~mem1;havoc #t~mem1;~j~0 := ~i; 2059#L15-6 #t~short3 := ~j~0 > 0; 2077#L15-1 assume !#t~short3; 2076#L15-3 assume !#t~short3;havoc #t~mem2;havoc #t~short3; 2075#L15-7 call write~int#0(~temp~0, ~array.base, ~array.offset + 4 * ~j~0, 4);#t~pre6 := 1 + ~i;~i := 1 + ~i; 2036#L19 call insertionSort(#t~pre6, ~array.base, ~array.offset, ~size);< 2035#$Ultimate##0 ~i := #in~i;~array.base, ~array.offset := #in~array.base, #in~array.offset;~size := #in~size; 2037#L10 assume ~i < ~size;havoc ~j~0;call #t~mem1 := read~int#0(~array.base, ~array.offset + 4 * ~i, 4);~temp~0 := #t~mem1;havoc #t~mem1;~j~0 := ~i; 2060#L15-6 #t~short3 := ~j~0 > 0; 2069#L15-1 assume #t~short3;call #t~mem2 := read~int#0(~array.base, ~array.offset + 4 * (~j~0 - 1), 4);#t~short3 := #t~mem2 > ~temp~0; 2065#L15-3 assume !!#t~short3;havoc #t~mem2;havoc #t~short3;call #t~mem4 := read~int#0(~array.base, ~array.offset + 4 * (~j~0 - 1), 4);call write~int#0(#t~mem4, ~array.base, ~array.offset + 4 * ~j~0, 4); 2038#L15-5 #t~post5 := ~j~0;~j~0 := #t~post5 - 1;havoc #t~post5; 2039#L15-6 #t~short3 := ~j~0 > 0; 2048#L15-1 assume !#t~short3; 2049#L15-3 [2024-10-31 22:09:02,396 INFO L747 eck$LassoCheckResult]: Loop: 2049#L15-3 assume !#t~short3;havoc #t~mem2;havoc #t~short3; 2052#L15-7 call write~int#0(~temp~0, ~array.base, ~array.offset + 4 * ~j~0, 4);#t~pre6 := 1 + ~i;~i := 1 + ~i; 2042#L19 call insertionSort(#t~pre6, ~array.base, ~array.offset, ~size);< 2054#$Ultimate##0 ~i := #in~i;~array.base, ~array.offset := #in~array.base, #in~array.offset;~size := #in~size; 2074#L10 assume ~i < ~size;havoc ~j~0;call #t~mem1 := read~int#0(~array.base, ~array.offset + 4 * ~i, 4);~temp~0 := #t~mem1;havoc #t~mem1;~j~0 := ~i; 2072#L15-6 #t~short3 := ~j~0 > 0; 2073#L15-1 assume #t~short3;call #t~mem2 := read~int#0(~array.base, ~array.offset + 4 * (~j~0 - 1), 4);#t~short3 := #t~mem2 > ~temp~0; 2049#L15-3 [2024-10-31 22:09:02,397 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:09:02,397 INFO L85 PathProgramCache]: Analyzing trace with hash -1336854580, now seen corresponding path program 4 times [2024-10-31 22:09:02,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:09:02,397 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [144470232] [2024-10-31 22:09:02,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:09:02,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:09:02,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:09:02,417 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:09:02,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:09:02,434 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:09:02,435 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:09:02,435 INFO L85 PathProgramCache]: Analyzing trace with hash -496333001, now seen corresponding path program 6 times [2024-10-31 22:09:02,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:09:02,435 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [75458525] [2024-10-31 22:09:02,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:09:02,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:09:02,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:09:02,441 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:09:02,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:09:02,447 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:09:02,447 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:09:02,447 INFO L85 PathProgramCache]: Analyzing trace with hash 623643916, now seen corresponding path program 5 times [2024-10-31 22:09:02,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:09:02,448 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [682392175] [2024-10-31 22:09:02,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:09:02,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:09:02,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:09:02,470 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:09:02,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:09:02,496 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:09:04,926 INFO L204 LassoAnalysis]: Preferences: [2024-10-31 22:09:04,926 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-31 22:09:04,926 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-31 22:09:04,926 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-31 22:09:04,926 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-31 22:09:04,926 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:09:04,927 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-31 22:09:04,927 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-31 22:09:04,927 INFO L132 ssoRankerPreferences]: Filename of dumped script: insertionSort_recursive.i_Iteration11_Lasso [2024-10-31 22:09:04,927 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-31 22:09:04,927 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-31 22:09:04,930 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:09:04,933 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:09:04,935 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:09:04,937 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:09:04,939 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:09:04,942 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:09:04,944 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:09:04,946 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:09:04,948 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:09:04,950 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:09:04,952 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:09:04,953 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:09:04,955 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:09:04,957 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:09:04,959 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:09:04,961 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true