./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/reducercommutativity/sum05-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228f927c-aeba-4b71-a95e-0dd3cd4d9f84/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228f927c-aeba-4b71-a95e-0dd3cd4d9f84/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228f927c-aeba-4b71-a95e-0dd3cd4d9f84/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228f927c-aeba-4b71-a95e-0dd3cd4d9f84/bin/uautomizer-verify-jihMAELWvX/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/reducercommutativity/sum05-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228f927c-aeba-4b71-a95e-0dd3cd4d9f84/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228f927c-aeba-4b71-a95e-0dd3cd4d9f84/bin/uautomizer-verify-jihMAELWvX --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 11bff2dc480380b1206bedd51506b0437b9af4529e78b5beefb811437146f17f --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 18:07:48,323 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 18:07:48,412 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228f927c-aeba-4b71-a95e-0dd3cd4d9f84/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-08 18:07:48,419 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 18:07:48,422 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 18:07:48,446 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 18:07:48,447 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 18:07:48,447 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 18:07:48,448 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 18:07:48,448 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 18:07:48,449 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 18:07:48,449 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 18:07:48,450 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 18:07:48,450 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-08 18:07:48,451 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-08 18:07:48,452 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-08 18:07:48,453 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-08 18:07:48,453 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-08 18:07:48,454 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-08 18:07:48,456 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 18:07:48,457 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-08 18:07:48,457 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 18:07:48,458 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 18:07:48,458 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 18:07:48,458 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 18:07:48,458 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-08 18:07:48,459 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-08 18:07:48,459 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-08 18:07:48,459 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 18:07:48,474 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 18:07:48,475 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 18:07:48,476 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 18:07:48,476 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-08 18:07:48,476 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 18:07:48,477 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 18:07:48,477 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 18:07:48,477 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 18:07:48,477 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 18:07:48,478 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-08 18:07:48,478 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_228f927c-aeba-4b71-a95e-0dd3cd4d9f84/bin/uautomizer-verify-jihMAELWvX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228f927c-aeba-4b71-a95e-0dd3cd4d9f84/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 11bff2dc480380b1206bedd51506b0437b9af4529e78b5beefb811437146f17f [2024-11-08 18:07:48,783 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 18:07:48,812 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 18:07:48,815 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 18:07:48,817 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 18:07:48,817 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 18:07:48,819 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228f927c-aeba-4b71-a95e-0dd3cd4d9f84/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/reducercommutativity/sum05-2.i Unable to find full path for "g++" [2024-11-08 18:07:50,762 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 18:07:50,997 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 18:07:50,998 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228f927c-aeba-4b71-a95e-0dd3cd4d9f84/sv-benchmarks/c/reducercommutativity/sum05-2.i [2024-11-08 18:07:51,005 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228f927c-aeba-4b71-a95e-0dd3cd4d9f84/bin/uautomizer-verify-jihMAELWvX/data/824cb2ac9/eabcc81761f44ed88c8a0aae6a538ed8/FLAGf2bd3cb13 [2024-11-08 18:07:51,357 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228f927c-aeba-4b71-a95e-0dd3cd4d9f84/bin/uautomizer-verify-jihMAELWvX/data/824cb2ac9/eabcc81761f44ed88c8a0aae6a538ed8 [2024-11-08 18:07:51,360 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 18:07:51,362 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 18:07:51,364 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 18:07:51,364 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 18:07:51,371 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 18:07:51,371 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:07:51" (1/1) ... [2024-11-08 18:07:51,373 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69a95443 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:07:51, skipping insertion in model container [2024-11-08 18:07:51,373 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:07:51" (1/1) ... [2024-11-08 18:07:51,397 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 18:07:51,674 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 18:07:51,685 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 18:07:51,712 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 18:07:51,734 INFO L204 MainTranslator]: Completed translation [2024-11-08 18:07:51,735 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:07:51 WrapperNode [2024-11-08 18:07:51,735 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 18:07:51,737 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 18:07:51,737 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 18:07:51,738 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 18:07:51,747 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:07:51" (1/1) ... [2024-11-08 18:07:51,757 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:07:51" (1/1) ... [2024-11-08 18:07:51,788 INFO L138 Inliner]: procedures = 16, calls = 23, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 113 [2024-11-08 18:07:51,789 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 18:07:51,790 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 18:07:51,790 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 18:07:51,790 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 18:07:51,806 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:07:51" (1/1) ... [2024-11-08 18:07:51,806 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:07:51" (1/1) ... [2024-11-08 18:07:51,809 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:07:51" (1/1) ... [2024-11-08 18:07:51,825 INFO L175 MemorySlicer]: Split 14 memory accesses to 2 slices as follows [2, 12]. 86 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 5 writes are split as follows [0, 5]. [2024-11-08 18:07:51,826 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:07:51" (1/1) ... [2024-11-08 18:07:51,826 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:07:51" (1/1) ... [2024-11-08 18:07:51,835 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:07:51" (1/1) ... [2024-11-08 18:07:51,840 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:07:51" (1/1) ... [2024-11-08 18:07:51,842 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:07:51" (1/1) ... [2024-11-08 18:07:51,844 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:07:51" (1/1) ... [2024-11-08 18:07:51,847 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 18:07:51,848 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 18:07:51,849 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 18:07:51,849 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 18:07:51,850 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:07:51" (1/1) ... [2024-11-08 18:07:51,859 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 18:07:51,874 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228f927c-aeba-4b71-a95e-0dd3cd4d9f84/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:07:51,891 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228f927c-aeba-4b71-a95e-0dd3cd4d9f84/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 18:07:51,903 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228f927c-aeba-4b71-a95e-0dd3cd4d9f84/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-08 18:07:51,942 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 18:07:51,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 18:07:51,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-08 18:07:51,942 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-08 18:07:51,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-08 18:07:51,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-08 18:07:51,942 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 18:07:51,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 18:07:51,943 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-08 18:07:51,943 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-08 18:07:51,943 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 18:07:52,046 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 18:07:52,048 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 18:07:52,303 INFO L? ?]: Removed 32 outVars from TransFormulas that were not future-live. [2024-11-08 18:07:52,303 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 18:07:52,328 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 18:07:52,328 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 18:07:52,329 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:07:52 BoogieIcfgContainer [2024-11-08 18:07:52,332 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 18:07:52,333 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-08 18:07:52,333 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-08 18:07:52,339 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-08 18:07:52,340 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-08 18:07:52,340 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 08.11 06:07:51" (1/3) ... [2024-11-08 18:07:52,342 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@53c5d18c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 08.11 06:07:52, skipping insertion in model container [2024-11-08 18:07:52,342 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-08 18:07:52,342 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:07:51" (2/3) ... [2024-11-08 18:07:52,343 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@53c5d18c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 08.11 06:07:52, skipping insertion in model container [2024-11-08 18:07:52,343 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-08 18:07:52,343 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:07:52" (3/3) ... [2024-11-08 18:07:52,345 INFO L332 chiAutomizerObserver]: Analyzing ICFG sum05-2.i [2024-11-08 18:07:52,412 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-08 18:07:52,412 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-08 18:07:52,413 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-08 18:07:52,413 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-08 18:07:52,413 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-08 18:07:52,414 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-08 18:07:52,414 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-08 18:07:52,414 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-08 18:07:52,419 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 27 states, 26 states have (on average 1.4615384615384615) internal successors, (38), 26 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:07:52,439 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 10 [2024-11-08 18:07:52,440 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-08 18:07:52,440 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-08 18:07:52,447 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-08 18:07:52,448 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-08 18:07:52,448 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-08 18:07:52,449 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 27 states, 26 states have (on average 1.4615384615384615) internal successors, (38), 26 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:07:52,451 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 10 [2024-11-08 18:07:52,452 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-08 18:07:52,452 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-08 18:07:52,453 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-08 18:07:52,453 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-08 18:07:52,463 INFO L745 eck$LassoCheckResult]: Stem: 26#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(10, 2); 11#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet3#1, main_#t~post4#1, main_~i~1#1, main_#t~ret5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~ret8#1, main_#t~mem9#1, main_#t~mem10#1, main_#t~post11#1, main_~i~2#1, main_#t~ret12#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(20);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;main_~i~1#1 := 0; 19#L34-3true [2024-11-08 18:07:52,464 INFO L747 eck$LassoCheckResult]: Loop: 19#L34-3true assume main_~i~1#1 < 5; 15#L34-1true assume !!(main_~i~1#1 < 5);havoc main_#t~nondet3#1;call write~int#1(main_#t~nondet3#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet3#1;main_#t~post4#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 19#L34-3true [2024-11-08 18:07:52,471 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:07:52,472 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2024-11-08 18:07:52,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:07:52,486 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1641371695] [2024-11-08 18:07:52,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:07:52,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:07:52,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:07:52,623 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 18:07:52,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:07:52,680 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 18:07:52,684 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:07:52,687 INFO L85 PathProgramCache]: Analyzing trace with hash 1158, now seen corresponding path program 1 times [2024-11-08 18:07:52,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:07:52,688 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1164440141] [2024-11-08 18:07:52,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:07:52,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:07:52,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:07:52,720 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 18:07:52,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:07:52,739 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 18:07:52,744 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:07:52,745 INFO L85 PathProgramCache]: Analyzing trace with hash 925640, now seen corresponding path program 1 times [2024-11-08 18:07:52,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:07:52,746 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [926980223] [2024-11-08 18:07:52,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:07:52,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:07:52,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:07:52,810 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 18:07:52,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:07:52,851 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 18:07:53,464 INFO L204 LassoAnalysis]: Preferences: [2024-11-08 18:07:53,465 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-08 18:07:53,466 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-08 18:07:53,467 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-08 18:07:53,467 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-08 18:07:53,468 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 18:07:53,468 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-08 18:07:53,468 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-08 18:07:53,469 INFO L132 ssoRankerPreferences]: Filename of dumped script: sum05-2.i_Iteration1_Lasso [2024-11-08 18:07:53,470 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-08 18:07:53,470 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-08 18:07:53,502 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 18:07:53,806 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 18:07:53,810 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 18:07:53,815 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 18:07:53,831 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 18:07:53,836 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 18:07:53,840 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 18:07:53,845 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 18:07:53,849 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 18:07:53,854 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 18:07:53,858 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 18:07:53,863 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 18:07:53,866 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 18:07:53,870 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 18:07:53,875 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 18:07:53,879 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 18:07:53,883 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 18:07:53,887 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 18:07:54,194 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-08 18:07:54,198 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-08 18:07:54,200 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 18:07:54,200 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228f927c-aeba-4b71-a95e-0dd3cd4d9f84/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:07:54,202 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228f927c-aeba-4b71-a95e-0dd3cd4d9f84/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 18:07:54,205 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228f927c-aeba-4b71-a95e-0dd3cd4d9f84/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2024-11-08 18:07:54,207 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 [2024-11-08 18:07:54,221 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-08 18:07:54,221 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-08 18:07:54,222 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-08 18:07:54,222 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-08 18:07:54,227 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-08 18:07:54,227 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-08 18:07:54,233 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-08 18:07:54,253 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228f927c-aeba-4b71-a95e-0dd3cd4d9f84/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2024-11-08 18:07:54,253 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 18:07:54,254 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228f927c-aeba-4b71-a95e-0dd3cd4d9f84/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:07:54,255 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228f927c-aeba-4b71-a95e-0dd3cd4d9f84/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 18:07:54,258 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228f927c-aeba-4b71-a95e-0dd3cd4d9f84/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-11-08 18:07:54,260 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 [2024-11-08 18:07:54,275 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-08 18:07:54,275 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-08 18:07:54,276 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-08 18:07:54,276 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-08 18:07:54,280 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-08 18:07:54,280 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-08 18:07:54,287 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-08 18:07:54,305 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228f927c-aeba-4b71-a95e-0dd3cd4d9f84/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2024-11-08 18:07:54,306 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 18:07:54,306 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228f927c-aeba-4b71-a95e-0dd3cd4d9f84/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:07:54,308 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228f927c-aeba-4b71-a95e-0dd3cd4d9f84/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 18:07:54,310 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228f927c-aeba-4b71-a95e-0dd3cd4d9f84/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-11-08 18:07:54,311 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 [2024-11-08 18:07:54,324 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-08 18:07:54,325 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-08 18:07:54,325 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-08 18:07:54,325 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-08 18:07:54,331 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-08 18:07:54,331 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-08 18:07:54,338 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-08 18:07:54,355 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228f927c-aeba-4b71-a95e-0dd3cd4d9f84/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2024-11-08 18:07:54,355 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 18:07:54,355 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228f927c-aeba-4b71-a95e-0dd3cd4d9f84/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:07:54,357 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228f927c-aeba-4b71-a95e-0dd3cd4d9f84/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 18:07:54,360 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228f927c-aeba-4b71-a95e-0dd3cd4d9f84/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-11-08 18:07:54,362 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 [2024-11-08 18:07:54,376 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-08 18:07:54,377 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-08 18:07:54,378 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-08 18:07:54,381 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-08 18:07:54,386 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-08 18:07:54,387 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-08 18:07:54,393 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-08 18:07:54,412 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228f927c-aeba-4b71-a95e-0dd3cd4d9f84/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2024-11-08 18:07:54,412 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 18:07:54,412 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228f927c-aeba-4b71-a95e-0dd3cd4d9f84/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:07:54,414 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228f927c-aeba-4b71-a95e-0dd3cd4d9f84/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 18:07:54,416 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228f927c-aeba-4b71-a95e-0dd3cd4d9f84/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2024-11-08 18:07:54,418 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 [2024-11-08 18:07:54,432 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-08 18:07:54,432 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-08 18:07:54,432 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-08 18:07:54,432 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-08 18:07:54,438 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-08 18:07:54,438 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-08 18:07:54,449 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-08 18:07:54,476 INFO L443 ModelExtractionUtils]: Simplification made 11 calls to the SMT solver. [2024-11-08 18:07:54,476 INFO L444 ModelExtractionUtils]: 0 out of 13 variables were initially zero. Simplification set additionally 10 variables to zero. [2024-11-08 18:07:54,477 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 18:07:54,478 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228f927c-aeba-4b71-a95e-0dd3cd4d9f84/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:07:54,481 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228f927c-aeba-4b71-a95e-0dd3cd4d9f84/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 18:07:54,496 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-08 18:07:54,498 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228f927c-aeba-4b71-a95e-0dd3cd4d9f84/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2024-11-08 18:07:54,512 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-11-08 18:07:54,513 INFO L474 LassoAnalysis]: Proved termination. [2024-11-08 18:07:54,513 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_~#x~0#1.base)_1, ULTIMATE.start_main_~i~1#1) = 9*v_rep(select #length ULTIMATE.start_main_~#x~0#1.base)_1 - 8*ULTIMATE.start_main_~i~1#1 Supporting invariants [] [2024-11-08 18:07:54,532 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228f927c-aeba-4b71-a95e-0dd3cd4d9f84/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2024-11-08 18:07:54,548 INFO L156 tatePredicateManager]: 4 out of 4 supporting invariants were superfluous and have been removed [2024-11-08 18:07:54,559 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-08 18:07:54,560 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-08 18:07:54,581 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:07:54,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:07:54,600 INFO L255 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 18:07:54,601 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:07:54,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:07:54,619 INFO L255 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-08 18:07:54,620 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:07:54,645 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:07:54,684 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 [2024-11-08 18:07:54,686 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 27 states, 26 states have (on average 1.4615384615384615) internal successors, (38), 26 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:07:54,749 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 27 states, 26 states have (on average 1.4615384615384615) internal successors, (38), 26 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 52 states and 74 transitions. Complement of second has 6 states. [2024-11-08 18:07:54,752 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 [2024-11-08 18:07:54,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:07:54,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 37 transitions. [2024-11-08 18:07:54,760 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 37 transitions. Stem has 2 letters. Loop has 2 letters. [2024-11-08 18:07:54,760 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-08 18:07:54,760 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 37 transitions. Stem has 4 letters. Loop has 2 letters. [2024-11-08 18:07:54,760 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-08 18:07:54,760 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 37 transitions. Stem has 2 letters. Loop has 4 letters. [2024-11-08 18:07:54,761 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-08 18:07:54,761 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 52 states and 74 transitions. [2024-11-08 18:07:54,767 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2024-11-08 18:07:54,771 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 52 states to 19 states and 27 transitions. [2024-11-08 18:07:54,772 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2024-11-08 18:07:54,774 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2024-11-08 18:07:54,774 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 27 transitions. [2024-11-08 18:07:54,775 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-08 18:07:54,775 INFO L218 hiAutomatonCegarLoop]: Abstraction has 19 states and 27 transitions. [2024-11-08 18:07:54,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states and 27 transitions. [2024-11-08 18:07:54,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2024-11-08 18:07:54,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 19 states have (on average 1.4210526315789473) internal successors, (27), 18 states have internal predecessors, (27), 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) [2024-11-08 18:07:54,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 27 transitions. [2024-11-08 18:07:54,815 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228f927c-aeba-4b71-a95e-0dd3cd4d9f84/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2024-11-08 18:07:54,817 INFO L240 hiAutomatonCegarLoop]: Abstraction has 19 states and 27 transitions. [2024-11-08 18:07:54,819 INFO L425 stractBuchiCegarLoop]: Abstraction has 19 states and 27 transitions. [2024-11-08 18:07:54,819 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-08 18:07:54,819 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 27 transitions. [2024-11-08 18:07:54,820 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2024-11-08 18:07:54,820 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-08 18:07:54,820 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-08 18:07:54,821 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2024-11-08 18:07:54,821 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-08 18:07:54,821 INFO L745 eck$LassoCheckResult]: Stem: 149#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(10, 2); 141#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet3#1, main_#t~post4#1, main_~i~1#1, main_#t~ret5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~ret8#1, main_#t~mem9#1, main_#t~mem10#1, main_#t~post11#1, main_~i~2#1, main_#t~ret12#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(20);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;main_~i~1#1 := 0; 142#L34-3 assume !(main_~i~1#1 < 5); 136#L34-4 havoc main_~i~1#1;assume { :begin_inline_sum } true;sum_#in~x#1.base, sum_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sum_#res#1;havoc sum_#t~mem1#1, sum_#t~post2#1, sum_~x#1.base, sum_~x#1.offset, sum_~i~0#1, sum_~ret~0#1;sum_~x#1.base, sum_~x#1.offset := sum_#in~x#1.base, sum_#in~x#1.offset;havoc sum_~i~0#1;havoc sum_~ret~0#1;sum_~ret~0#1 := 0;sum_~i~0#1 := 0; 137#L20-3 [2024-11-08 18:07:54,821 INFO L747 eck$LassoCheckResult]: Loop: 137#L20-3 assume sum_~i~0#1 < 5; 148#L20-1 assume !!(sum_~i~0#1 < 5);call sum_#t~mem1#1 := read~int#1(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem1#1;havoc sum_#t~mem1#1;sum_#t~post2#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post2#1;havoc sum_#t~post2#1; 137#L20-3 [2024-11-08 18:07:54,822 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:07:54,822 INFO L85 PathProgramCache]: Analyzing trace with hash 925861, now seen corresponding path program 1 times [2024-11-08 18:07:54,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:07:54,826 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2122398514] [2024-11-08 18:07:54,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:07:54,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:07:54,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:07:54,930 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:07:54,931 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:07:54,931 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2122398514] [2024-11-08 18:07:54,931 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2122398514] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:07:54,931 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:07:54,932 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 18:07:54,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1560389676] [2024-11-08 18:07:54,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:07:54,939 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-11-08 18:07:54,939 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:07:54,940 INFO L85 PathProgramCache]: Analyzing trace with hash 1574, now seen corresponding path program 1 times [2024-11-08 18:07:54,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:07:54,940 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [606675413] [2024-11-08 18:07:54,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:07:54,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:07:54,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:07:54,953 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 18:07:54,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:07:54,962 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 18:07:55,022 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:07:55,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 18:07:55,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 18:07:55,026 INFO L87 Difference]: Start difference. First operand 19 states and 27 transitions. cyclomatic complexity: 13 Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:07:55,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:07:55,041 INFO L93 Difference]: Finished difference Result 20 states and 27 transitions. [2024-11-08 18:07:55,041 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 27 transitions. [2024-11-08 18:07:55,042 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2024-11-08 18:07:55,045 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 20 states and 27 transitions. [2024-11-08 18:07:55,045 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2024-11-08 18:07:55,046 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2024-11-08 18:07:55,046 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 27 transitions. [2024-11-08 18:07:55,046 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-08 18:07:55,046 INFO L218 hiAutomatonCegarLoop]: Abstraction has 20 states and 27 transitions. [2024-11-08 18:07:55,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 27 transitions. [2024-11-08 18:07:55,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 19. [2024-11-08 18:07:55,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 19 states have (on average 1.368421052631579) internal successors, (26), 18 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:07:55,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 26 transitions. [2024-11-08 18:07:55,048 INFO L240 hiAutomatonCegarLoop]: Abstraction has 19 states and 26 transitions. [2024-11-08 18:07:55,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 18:07:55,052 INFO L425 stractBuchiCegarLoop]: Abstraction has 19 states and 26 transitions. [2024-11-08 18:07:55,053 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-08 18:07:55,053 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 26 transitions. [2024-11-08 18:07:55,054 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2024-11-08 18:07:55,054 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-08 18:07:55,054 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-08 18:07:55,054 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2024-11-08 18:07:55,054 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-08 18:07:55,054 INFO L745 eck$LassoCheckResult]: Stem: 194#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(10, 2); 186#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet3#1, main_#t~post4#1, main_~i~1#1, main_#t~ret5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~ret8#1, main_#t~mem9#1, main_#t~mem10#1, main_#t~post11#1, main_~i~2#1, main_#t~ret12#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(20);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;main_~i~1#1 := 0; 187#L34-3 assume main_~i~1#1 < 5; 191#L34-1 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet3#1;call write~int#1(main_#t~nondet3#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet3#1;main_#t~post4#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 192#L34-3 assume !(main_~i~1#1 < 5); 179#L34-4 havoc main_~i~1#1;assume { :begin_inline_sum } true;sum_#in~x#1.base, sum_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sum_#res#1;havoc sum_#t~mem1#1, sum_#t~post2#1, sum_~x#1.base, sum_~x#1.offset, sum_~i~0#1, sum_~ret~0#1;sum_~x#1.base, sum_~x#1.offset := sum_#in~x#1.base, sum_#in~x#1.offset;havoc sum_~i~0#1;havoc sum_~ret~0#1;sum_~ret~0#1 := 0;sum_~i~0#1 := 0; 180#L20-3 [2024-11-08 18:07:55,055 INFO L747 eck$LassoCheckResult]: Loop: 180#L20-3 assume sum_~i~0#1 < 5; 193#L20-1 assume !!(sum_~i~0#1 < 5);call sum_#t~mem1#1 := read~int#1(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem1#1;havoc sum_#t~mem1#1;sum_#t~post2#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post2#1;havoc sum_#t~post2#1; 180#L20-3 [2024-11-08 18:07:55,055 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:07:55,055 INFO L85 PathProgramCache]: Analyzing trace with hash 889540458, now seen corresponding path program 1 times [2024-11-08 18:07:55,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:07:55,059 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [585948703] [2024-11-08 18:07:55,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:07:55,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:07:55,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:07:55,148 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:07:55,149 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:07:55,149 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [585948703] [2024-11-08 18:07:55,149 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [585948703] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 18:07:55,149 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [49973923] [2024-11-08 18:07:55,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:07:55,150 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:07:55,150 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228f927c-aeba-4b71-a95e-0dd3cd4d9f84/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:07:55,153 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228f927c-aeba-4b71-a95e-0dd3cd4d9f84/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 18:07:55,156 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228f927c-aeba-4b71-a95e-0dd3cd4d9f84/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-08 18:07:55,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:07:55,216 INFO L255 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 18:07:55,217 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:07:55,238 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:07:55,238 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 18:07:55,265 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:07:55,266 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [49973923] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 18:07:55,266 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 18:07:55,266 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-11-08 18:07:55,266 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1391185968] [2024-11-08 18:07:55,266 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 18:07:55,267 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-11-08 18:07:55,267 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:07:55,267 INFO L85 PathProgramCache]: Analyzing trace with hash 1574, now seen corresponding path program 2 times [2024-11-08 18:07:55,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:07:55,268 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [226927045] [2024-11-08 18:07:55,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:07:55,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:07:55,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:07:55,275 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 18:07:55,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:07:55,288 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 18:07:55,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:07:55,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 18:07:55,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-08 18:07:55,357 INFO L87 Difference]: Start difference. First operand 19 states and 26 transitions. cyclomatic complexity: 12 Second operand has 7 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 7 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:07:55,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:07:55,391 INFO L93 Difference]: Finished difference Result 25 states and 32 transitions. [2024-11-08 18:07:55,391 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 25 states and 32 transitions. [2024-11-08 18:07:55,391 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2024-11-08 18:07:55,392 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 25 states to 25 states and 32 transitions. [2024-11-08 18:07:55,392 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2024-11-08 18:07:55,392 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2024-11-08 18:07:55,392 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 32 transitions. [2024-11-08 18:07:55,392 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-08 18:07:55,393 INFO L218 hiAutomatonCegarLoop]: Abstraction has 25 states and 32 transitions. [2024-11-08 18:07:55,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states and 32 transitions. [2024-11-08 18:07:55,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2024-11-08 18:07:55,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 25 states have (on average 1.28) internal successors, (32), 24 states have internal predecessors, (32), 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) [2024-11-08 18:07:55,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 32 transitions. [2024-11-08 18:07:55,395 INFO L240 hiAutomatonCegarLoop]: Abstraction has 25 states and 32 transitions. [2024-11-08 18:07:55,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 18:07:55,396 INFO L425 stractBuchiCegarLoop]: Abstraction has 25 states and 32 transitions. [2024-11-08 18:07:55,396 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-11-08 18:07:55,396 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 25 states and 32 transitions. [2024-11-08 18:07:55,396 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2024-11-08 18:07:55,397 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-08 18:07:55,397 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-08 18:07:55,397 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [4, 4, 1, 1, 1, 1] [2024-11-08 18:07:55,397 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-08 18:07:55,397 INFO L745 eck$LassoCheckResult]: Stem: 278#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(10, 2); 270#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet3#1, main_#t~post4#1, main_~i~1#1, main_#t~ret5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~ret8#1, main_#t~mem9#1, main_#t~mem10#1, main_#t~post11#1, main_~i~2#1, main_#t~ret12#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(20);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;main_~i~1#1 := 0; 271#L34-3 assume main_~i~1#1 < 5; 275#L34-1 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet3#1;call write~int#1(main_#t~nondet3#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet3#1;main_#t~post4#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 276#L34-3 assume main_~i~1#1 < 5; 279#L34-1 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet3#1;call write~int#1(main_#t~nondet3#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet3#1;main_#t~post4#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 284#L34-3 assume main_~i~1#1 < 5; 283#L34-1 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet3#1;call write~int#1(main_#t~nondet3#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet3#1;main_#t~post4#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 282#L34-3 assume main_~i~1#1 < 5; 281#L34-1 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet3#1;call write~int#1(main_#t~nondet3#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet3#1;main_#t~post4#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 280#L34-3 assume !(main_~i~1#1 < 5); 265#L34-4 havoc main_~i~1#1;assume { :begin_inline_sum } true;sum_#in~x#1.base, sum_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sum_#res#1;havoc sum_#t~mem1#1, sum_#t~post2#1, sum_~x#1.base, sum_~x#1.offset, sum_~i~0#1, sum_~ret~0#1;sum_~x#1.base, sum_~x#1.offset := sum_#in~x#1.base, sum_#in~x#1.offset;havoc sum_~i~0#1;havoc sum_~ret~0#1;sum_~ret~0#1 := 0;sum_~i~0#1 := 0; 266#L20-3 [2024-11-08 18:07:55,397 INFO L747 eck$LassoCheckResult]: Loop: 266#L20-3 assume sum_~i~0#1 < 5; 277#L20-1 assume !!(sum_~i~0#1 < 5);call sum_#t~mem1#1 := read~int#1(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem1#1;havoc sum_#t~mem1#1;sum_#t~post2#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post2#1;havoc sum_#t~post2#1; 266#L20-3 [2024-11-08 18:07:55,398 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:07:55,398 INFO L85 PathProgramCache]: Analyzing trace with hash -251892679, now seen corresponding path program 2 times [2024-11-08 18:07:55,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:07:55,398 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2092385928] [2024-11-08 18:07:55,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:07:55,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:07:55,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:07:55,549 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:07:55,549 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:07:55,549 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2092385928] [2024-11-08 18:07:55,550 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2092385928] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 18:07:55,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2058310010] [2024-11-08 18:07:55,550 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-08 18:07:55,550 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:07:55,550 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228f927c-aeba-4b71-a95e-0dd3cd4d9f84/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:07:55,552 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228f927c-aeba-4b71-a95e-0dd3cd4d9f84/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 18:07:55,553 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228f927c-aeba-4b71-a95e-0dd3cd4d9f84/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-08 18:07:55,628 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-08 18:07:55,628 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-08 18:07:55,629 INFO L255 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-08 18:07:55,630 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:07:55,663 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:07:55,663 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 18:07:55,724 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:07:55,725 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2058310010] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 18:07:55,725 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 18:07:55,725 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 8 [2024-11-08 18:07:55,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [46470169] [2024-11-08 18:07:55,725 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 18:07:55,726 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-11-08 18:07:55,726 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:07:55,726 INFO L85 PathProgramCache]: Analyzing trace with hash 1574, now seen corresponding path program 3 times [2024-11-08 18:07:55,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:07:55,726 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [48201481] [2024-11-08 18:07:55,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:07:55,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:07:55,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:07:55,733 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 18:07:55,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:07:55,742 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 18:07:55,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:07:55,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-08 18:07:55,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2024-11-08 18:07:55,802 INFO L87 Difference]: Start difference. First operand 25 states and 32 transitions. cyclomatic complexity: 12 Second operand has 8 states, 8 states have (on average 1.875) internal successors, (15), 8 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:07:55,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:07:55,841 INFO L93 Difference]: Finished difference Result 27 states and 34 transitions. [2024-11-08 18:07:55,842 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 34 transitions. [2024-11-08 18:07:55,842 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2024-11-08 18:07:55,843 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 27 states and 34 transitions. [2024-11-08 18:07:55,843 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2024-11-08 18:07:55,843 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2024-11-08 18:07:55,843 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 34 transitions. [2024-11-08 18:07:55,843 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-08 18:07:55,843 INFO L218 hiAutomatonCegarLoop]: Abstraction has 27 states and 34 transitions. [2024-11-08 18:07:55,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states and 34 transitions. [2024-11-08 18:07:55,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2024-11-08 18:07:55,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 27 states have (on average 1.2592592592592593) internal successors, (34), 26 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:07:55,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 34 transitions. [2024-11-08 18:07:55,846 INFO L240 hiAutomatonCegarLoop]: Abstraction has 27 states and 34 transitions. [2024-11-08 18:07:55,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 18:07:55,850 INFO L425 stractBuchiCegarLoop]: Abstraction has 27 states and 34 transitions. [2024-11-08 18:07:55,850 INFO L332 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2024-11-08 18:07:55,850 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 27 states and 34 transitions. [2024-11-08 18:07:55,851 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2024-11-08 18:07:55,851 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-08 18:07:55,851 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-08 18:07:55,851 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 5, 1, 1, 1, 1] [2024-11-08 18:07:55,851 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-08 18:07:55,852 INFO L745 eck$LassoCheckResult]: Stem: 407#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(10, 2); 399#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet3#1, main_#t~post4#1, main_~i~1#1, main_#t~ret5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~ret8#1, main_#t~mem9#1, main_#t~mem10#1, main_#t~post11#1, main_~i~2#1, main_#t~ret12#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(20);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;main_~i~1#1 := 0; 400#L34-3 assume main_~i~1#1 < 5; 404#L34-1 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet3#1;call write~int#1(main_#t~nondet3#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet3#1;main_#t~post4#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 405#L34-3 assume main_~i~1#1 < 5; 408#L34-1 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet3#1;call write~int#1(main_#t~nondet3#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet3#1;main_#t~post4#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 415#L34-3 assume main_~i~1#1 < 5; 414#L34-1 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet3#1;call write~int#1(main_#t~nondet3#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet3#1;main_#t~post4#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 413#L34-3 assume main_~i~1#1 < 5; 412#L34-1 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet3#1;call write~int#1(main_#t~nondet3#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet3#1;main_#t~post4#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 411#L34-3 assume main_~i~1#1 < 5; 410#L34-1 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet3#1;call write~int#1(main_#t~nondet3#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet3#1;main_#t~post4#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 409#L34-3 assume !(main_~i~1#1 < 5); 394#L34-4 havoc main_~i~1#1;assume { :begin_inline_sum } true;sum_#in~x#1.base, sum_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sum_#res#1;havoc sum_#t~mem1#1, sum_#t~post2#1, sum_~x#1.base, sum_~x#1.offset, sum_~i~0#1, sum_~ret~0#1;sum_~x#1.base, sum_~x#1.offset := sum_#in~x#1.base, sum_#in~x#1.offset;havoc sum_~i~0#1;havoc sum_~ret~0#1;sum_~ret~0#1 := 0;sum_~i~0#1 := 0; 395#L20-3 [2024-11-08 18:07:55,852 INFO L747 eck$LassoCheckResult]: Loop: 395#L20-3 assume sum_~i~0#1 < 5; 406#L20-1 assume !!(sum_~i~0#1 < 5);call sum_#t~mem1#1 := read~int#1(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem1#1;havoc sum_#t~mem1#1;sum_#t~post2#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post2#1;havoc sum_#t~post2#1; 395#L20-3 [2024-11-08 18:07:55,852 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:07:55,852 INFO L85 PathProgramCache]: Analyzing trace with hash -1550907906, now seen corresponding path program 3 times [2024-11-08 18:07:55,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:07:55,853 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1072522183] [2024-11-08 18:07:55,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:07:55,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:07:55,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:07:55,877 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 18:07:55,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:07:55,891 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 18:07:55,891 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:07:55,892 INFO L85 PathProgramCache]: Analyzing trace with hash 1574, now seen corresponding path program 4 times [2024-11-08 18:07:55,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:07:55,892 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [917689314] [2024-11-08 18:07:55,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:07:55,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:07:55,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:07:55,896 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 18:07:55,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:07:55,900 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 18:07:55,900 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:07:55,900 INFO L85 PathProgramCache]: Analyzing trace with hash -68845341, now seen corresponding path program 1 times [2024-11-08 18:07:55,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:07:55,900 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1872486137] [2024-11-08 18:07:55,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:07:55,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:07:55,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:07:55,936 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 18:07:55,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:07:55,969 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 18:07:57,047 INFO L204 LassoAnalysis]: Preferences: [2024-11-08 18:07:57,047 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-08 18:07:57,048 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-08 18:07:57,048 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-08 18:07:57,048 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-08 18:07:57,048 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 18:07:57,048 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-08 18:07:57,048 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-08 18:07:57,048 INFO L132 ssoRankerPreferences]: Filename of dumped script: sum05-2.i_Iteration5_Lasso [2024-11-08 18:07:57,048 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-08 18:07:57,048 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-08 18:07:57,051 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 18:07:57,053 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 18:07:57,056 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 18:07:57,058 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 18:07:57,061 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 18:07:57,063 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 18:07:57,344 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 18:07:57,347 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 18:07:57,349 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 18:07:57,351 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 18:07:57,353 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 18:07:57,356 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 18:07:57,359 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 18:07:57,361 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 18:07:57,364 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 18:07:57,373 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 18:07:57,376 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 18:07:57,378 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 18:07:57,380 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 18:07:57,383 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 18:07:57,385 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 18:07:57,387 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 18:07:57,389 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 18:07:57,676 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-08 18:07:57,677 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-08 18:07:57,677 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 18:07:57,677 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228f927c-aeba-4b71-a95e-0dd3cd4d9f84/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:07:57,684 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228f927c-aeba-4b71-a95e-0dd3cd4d9f84/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 18:07:57,686 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228f927c-aeba-4b71-a95e-0dd3cd4d9f84/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2024-11-08 18:07:57,687 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 [2024-11-08 18:07:57,701 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-08 18:07:57,701 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-08 18:07:57,702 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-08 18:07:57,702 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-08 18:07:57,702 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-08 18:07:57,702 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-08 18:07:57,702 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-08 18:07:57,705 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-08 18:07:57,726 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228f927c-aeba-4b71-a95e-0dd3cd4d9f84/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2024-11-08 18:07:57,727 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 18:07:57,727 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228f927c-aeba-4b71-a95e-0dd3cd4d9f84/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:07:57,728 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228f927c-aeba-4b71-a95e-0dd3cd4d9f84/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 18:07:57,729 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228f927c-aeba-4b71-a95e-0dd3cd4d9f84/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2024-11-08 18:07:57,730 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 [2024-11-08 18:07:57,741 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-08 18:07:57,741 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-08 18:07:57,741 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-08 18:07:57,741 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-08 18:07:57,741 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-08 18:07:57,741 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-08 18:07:57,742 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-08 18:07:57,743 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-08 18:07:57,755 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228f927c-aeba-4b71-a95e-0dd3cd4d9f84/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2024-11-08 18:07:57,755 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 18:07:57,756 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228f927c-aeba-4b71-a95e-0dd3cd4d9f84/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:07:57,757 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228f927c-aeba-4b71-a95e-0dd3cd4d9f84/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 18:07:57,758 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228f927c-aeba-4b71-a95e-0dd3cd4d9f84/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2024-11-08 18:07:57,759 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 [2024-11-08 18:07:57,770 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-08 18:07:57,770 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-08 18:07:57,770 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-08 18:07:57,771 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-08 18:07:57,771 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-08 18:07:57,771 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-08 18:07:57,771 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-08 18:07:57,773 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-08 18:07:57,785 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228f927c-aeba-4b71-a95e-0dd3cd4d9f84/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2024-11-08 18:07:57,786 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 18:07:57,786 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228f927c-aeba-4b71-a95e-0dd3cd4d9f84/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:07:57,787 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228f927c-aeba-4b71-a95e-0dd3cd4d9f84/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 18:07:57,790 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228f927c-aeba-4b71-a95e-0dd3cd4d9f84/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2024-11-08 18:07:57,791 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 [2024-11-08 18:07:57,805 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-08 18:07:57,806 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-08 18:07:57,806 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-08 18:07:57,806 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-08 18:07:57,806 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-08 18:07:57,807 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-08 18:07:57,807 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-08 18:07:57,808 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-08 18:07:57,824 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228f927c-aeba-4b71-a95e-0dd3cd4d9f84/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2024-11-08 18:07:57,824 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 18:07:57,824 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228f927c-aeba-4b71-a95e-0dd3cd4d9f84/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:07:57,825 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228f927c-aeba-4b71-a95e-0dd3cd4d9f84/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 18:07:57,826 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228f927c-aeba-4b71-a95e-0dd3cd4d9f84/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2024-11-08 18:07:57,828 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 [2024-11-08 18:07:57,839 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-08 18:07:57,839 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-08 18:07:57,839 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-08 18:07:57,839 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-08 18:07:57,839 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-08 18:07:57,840 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-08 18:07:57,840 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-08 18:07:57,841 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-08 18:07:57,860 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228f927c-aeba-4b71-a95e-0dd3cd4d9f84/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2024-11-08 18:07:57,860 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 18:07:57,860 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228f927c-aeba-4b71-a95e-0dd3cd4d9f84/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:07:57,862 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228f927c-aeba-4b71-a95e-0dd3cd4d9f84/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 18:07:57,864 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228f927c-aeba-4b71-a95e-0dd3cd4d9f84/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2024-11-08 18:07:57,865 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 [2024-11-08 18:07:57,876 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-08 18:07:57,876 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-08 18:07:57,876 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-08 18:07:57,876 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-08 18:07:57,878 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-08 18:07:57,878 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-08 18:07:57,883 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-08 18:07:57,898 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228f927c-aeba-4b71-a95e-0dd3cd4d9f84/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2024-11-08 18:07:57,899 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 18:07:57,899 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228f927c-aeba-4b71-a95e-0dd3cd4d9f84/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:07:57,900 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228f927c-aeba-4b71-a95e-0dd3cd4d9f84/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 18:07:57,901 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228f927c-aeba-4b71-a95e-0dd3cd4d9f84/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2024-11-08 18:07:57,902 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 [2024-11-08 18:07:57,913 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-08 18:07:57,913 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-08 18:07:57,913 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-08 18:07:57,913 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-08 18:07:57,915 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-08 18:07:57,915 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-08 18:07:57,921 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-08 18:07:57,940 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228f927c-aeba-4b71-a95e-0dd3cd4d9f84/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2024-11-08 18:07:57,940 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 18:07:57,940 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228f927c-aeba-4b71-a95e-0dd3cd4d9f84/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:07:57,942 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228f927c-aeba-4b71-a95e-0dd3cd4d9f84/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 18:07:57,943 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228f927c-aeba-4b71-a95e-0dd3cd4d9f84/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2024-11-08 18:07:57,944 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 [2024-11-08 18:07:57,958 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-08 18:07:57,959 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-08 18:07:57,959 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-08 18:07:57,959 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-08 18:07:57,966 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-08 18:07:57,966 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-08 18:07:57,974 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-08 18:07:57,992 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228f927c-aeba-4b71-a95e-0dd3cd4d9f84/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2024-11-08 18:07:57,992 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 18:07:57,993 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228f927c-aeba-4b71-a95e-0dd3cd4d9f84/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:07:57,994 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228f927c-aeba-4b71-a95e-0dd3cd4d9f84/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 18:07:57,996 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228f927c-aeba-4b71-a95e-0dd3cd4d9f84/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2024-11-08 18:07:57,997 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 [2024-11-08 18:07:58,011 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-08 18:07:58,011 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-08 18:07:58,011 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-08 18:07:58,011 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-08 18:07:58,014 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-08 18:07:58,014 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-08 18:07:58,018 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-08 18:07:58,036 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228f927c-aeba-4b71-a95e-0dd3cd4d9f84/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2024-11-08 18:07:58,037 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 18:07:58,037 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228f927c-aeba-4b71-a95e-0dd3cd4d9f84/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:07:58,038 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228f927c-aeba-4b71-a95e-0dd3cd4d9f84/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 18:07:58,040 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228f927c-aeba-4b71-a95e-0dd3cd4d9f84/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2024-11-08 18:07:58,043 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 [2024-11-08 18:07:58,054 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-08 18:07:58,055 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-08 18:07:58,055 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-08 18:07:58,055 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-08 18:07:58,060 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-08 18:07:58,060 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-08 18:07:58,072 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-08 18:07:58,111 INFO L443 ModelExtractionUtils]: Simplification made 14 calls to the SMT solver. [2024-11-08 18:07:58,112 INFO L444 ModelExtractionUtils]: 1 out of 16 variables were initially zero. Simplification set additionally 12 variables to zero. [2024-11-08 18:07:58,112 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 18:07:58,112 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228f927c-aeba-4b71-a95e-0dd3cd4d9f84/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:07:58,115 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228f927c-aeba-4b71-a95e-0dd3cd4d9f84/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 18:07:58,117 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228f927c-aeba-4b71-a95e-0dd3cd4d9f84/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2024-11-08 18:07:58,117 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-08 18:07:58,131 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-11-08 18:07:58,132 INFO L474 LassoAnalysis]: Proved termination. [2024-11-08 18:07:58,132 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_sum_~i~0#1) = -2*ULTIMATE.start_sum_~i~0#1 + 9 Supporting invariants [] [2024-11-08 18:07:58,144 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228f927c-aeba-4b71-a95e-0dd3cd4d9f84/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2024-11-08 18:07:58,165 INFO L156 tatePredicateManager]: 8 out of 8 supporting invariants were superfluous and have been removed [2024-11-08 18:07:58,182 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:07:58,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:07:58,209 INFO L255 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 18:07:58,210 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:07:58,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:07:58,234 INFO L255 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 18:07:58,234 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:07:58,248 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:07:58,249 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 [2024-11-08 18:07:58,249 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 27 states and 34 transitions. cyclomatic complexity: 12 Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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) [2024-11-08 18:07:58,272 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 27 states and 34 transitions. cyclomatic complexity: 12. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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 40 states and 53 transitions. Complement of second has 6 states. [2024-11-08 18:07:58,273 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 [2024-11-08 18:07:58,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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) [2024-11-08 18:07:58,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 24 transitions. [2024-11-08 18:07:58,274 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 24 transitions. Stem has 14 letters. Loop has 2 letters. [2024-11-08 18:07:58,274 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-08 18:07:58,275 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 24 transitions. Stem has 16 letters. Loop has 2 letters. [2024-11-08 18:07:58,275 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-08 18:07:58,275 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 24 transitions. Stem has 14 letters. Loop has 4 letters. [2024-11-08 18:07:58,278 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-08 18:07:58,278 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 40 states and 53 transitions. [2024-11-08 18:07:58,279 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 6 [2024-11-08 18:07:58,279 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 40 states to 28 states and 35 transitions. [2024-11-08 18:07:58,279 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2024-11-08 18:07:58,281 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 [2024-11-08 18:07:58,281 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 35 transitions. [2024-11-08 18:07:58,292 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-08 18:07:58,292 INFO L218 hiAutomatonCegarLoop]: Abstraction has 28 states and 35 transitions. [2024-11-08 18:07:58,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states and 35 transitions. [2024-11-08 18:07:58,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2024-11-08 18:07:58,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 28 states have (on average 1.25) internal successors, (35), 27 states have internal predecessors, (35), 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) [2024-11-08 18:07:58,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 35 transitions. [2024-11-08 18:07:58,294 INFO L240 hiAutomatonCegarLoop]: Abstraction has 28 states and 35 transitions. [2024-11-08 18:07:58,294 INFO L425 stractBuchiCegarLoop]: Abstraction has 28 states and 35 transitions. [2024-11-08 18:07:58,294 INFO L332 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2024-11-08 18:07:58,294 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 28 states and 35 transitions. [2024-11-08 18:07:58,295 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 6 [2024-11-08 18:07:58,295 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-08 18:07:58,295 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-08 18:07:58,297 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 5, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:07:58,297 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-08 18:07:58,298 INFO L745 eck$LassoCheckResult]: Stem: 576#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(10, 2); 567#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet3#1, main_#t~post4#1, main_~i~1#1, main_#t~ret5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~ret8#1, main_#t~mem9#1, main_#t~mem10#1, main_#t~post11#1, main_~i~2#1, main_#t~ret12#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(20);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;main_~i~1#1 := 0; 568#L34-3 assume main_~i~1#1 < 5; 577#L34-1 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet3#1;call write~int#1(main_#t~nondet3#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet3#1;main_#t~post4#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 578#L34-3 assume main_~i~1#1 < 5; 572#L34-1 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet3#1;call write~int#1(main_#t~nondet3#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet3#1;main_#t~post4#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 573#L34-3 assume main_~i~1#1 < 5; 584#L34-1 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet3#1;call write~int#1(main_#t~nondet3#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet3#1;main_#t~post4#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 583#L34-3 assume main_~i~1#1 < 5; 582#L34-1 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet3#1;call write~int#1(main_#t~nondet3#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet3#1;main_#t~post4#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 581#L34-3 assume main_~i~1#1 < 5; 580#L34-1 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet3#1;call write~int#1(main_#t~nondet3#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet3#1;main_#t~post4#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 579#L34-3 assume !(main_~i~1#1 < 5); 560#L34-4 havoc main_~i~1#1;assume { :begin_inline_sum } true;sum_#in~x#1.base, sum_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sum_#res#1;havoc sum_#t~mem1#1, sum_#t~post2#1, sum_~x#1.base, sum_~x#1.offset, sum_~i~0#1, sum_~ret~0#1;sum_~x#1.base, sum_~x#1.offset := sum_#in~x#1.base, sum_#in~x#1.offset;havoc sum_~i~0#1;havoc sum_~ret~0#1;sum_~ret~0#1 := 0;sum_~i~0#1 := 0; 561#L20-3 assume !(sum_~i~0#1 < 5); 569#L20-4 sum_#res#1 := (if sum_~ret~0#1 % 4294967296 <= 2147483647 then sum_~ret~0#1 % 4294967296 else sum_~ret~0#1 % 4294967296 - 4294967296); 570#sum_returnLabel#1 main_#t~ret5#1 := sum_#res#1;havoc sum_#t~mem1#1, sum_#t~post2#1, sum_~x#1.base, sum_~x#1.offset, sum_~i~0#1, sum_~ret~0#1;havoc sum_#in~x#1.base, sum_#in~x#1.offset;assume { :end_inline_sum } true;main_~ret~1#1 := main_#t~ret5#1;havoc main_#t~ret5#1;call main_#t~mem6#1 := read~int#1(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem6#1;havoc main_#t~mem6#1;call main_#t~mem7#1 := read~int#1(main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);call write~int#1(main_#t~mem7#1, main_~#x~0#1.base, main_~#x~0#1.offset, 4);havoc main_#t~mem7#1;call write~int#1(main_~temp~0#1, main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);assume { :begin_inline_sum } true;sum_#in~x#1.base, sum_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sum_#res#1;havoc sum_#t~mem1#1, sum_#t~post2#1, sum_~x#1.base, sum_~x#1.offset, sum_~i~0#1, sum_~ret~0#1;sum_~x#1.base, sum_~x#1.offset := sum_#in~x#1.base, sum_#in~x#1.offset;havoc sum_~i~0#1;havoc sum_~ret~0#1;sum_~ret~0#1 := 0;sum_~i~0#1 := 0; 565#L20-8 [2024-11-08 18:07:58,298 INFO L747 eck$LassoCheckResult]: Loop: 565#L20-8 assume sum_~i~0#1 < 5; 566#L20-6 assume !!(sum_~i~0#1 < 5);call sum_#t~mem1#1 := read~int#1(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem1#1;havoc sum_#t~mem1#1;sum_#t~post2#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post2#1;havoc sum_#t~post2#1; 565#L20-8 [2024-11-08 18:07:58,298 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:07:58,298 INFO L85 PathProgramCache]: Analyzing trace with hash -2134198690, now seen corresponding path program 1 times [2024-11-08 18:07:58,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:07:58,299 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1574225031] [2024-11-08 18:07:58,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:07:58,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:07:58,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:07:58,330 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228f927c-aeba-4b71-a95e-0dd3cd4d9f84/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2024-11-08 18:07:58,402 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-08 18:07:58,402 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:07:58,402 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1574225031] [2024-11-08 18:07:58,402 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1574225031] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:07:58,402 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:07:58,402 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 18:07:58,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [830287170] [2024-11-08 18:07:58,403 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:07:58,403 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-11-08 18:07:58,403 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:07:58,403 INFO L85 PathProgramCache]: Analyzing trace with hash 2054, now seen corresponding path program 1 times [2024-11-08 18:07:58,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:07:58,404 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [47286622] [2024-11-08 18:07:58,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:07:58,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:07:58,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:07:58,407 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 18:07:58,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:07:58,411 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 18:07:58,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:07:58,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 18:07:58,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 18:07:58,460 INFO L87 Difference]: Start difference. First operand 28 states and 35 transitions. cyclomatic complexity: 12 Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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) [2024-11-08 18:07:58,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:07:58,488 INFO L93 Difference]: Finished difference Result 33 states and 39 transitions. [2024-11-08 18:07:58,488 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 33 states and 39 transitions. [2024-11-08 18:07:58,489 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 6 [2024-11-08 18:07:58,489 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 33 states to 33 states and 39 transitions. [2024-11-08 18:07:58,490 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 20 [2024-11-08 18:07:58,490 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2024-11-08 18:07:58,490 INFO L73 IsDeterministic]: Start isDeterministic. Operand 33 states and 39 transitions. [2024-11-08 18:07:58,490 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-08 18:07:58,490 INFO L218 hiAutomatonCegarLoop]: Abstraction has 33 states and 39 transitions. [2024-11-08 18:07:58,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states and 39 transitions. [2024-11-08 18:07:58,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 30. [2024-11-08 18:07:58,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 30 states have (on average 1.2) internal successors, (36), 29 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:07:58,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 36 transitions. [2024-11-08 18:07:58,493 INFO L240 hiAutomatonCegarLoop]: Abstraction has 30 states and 36 transitions. [2024-11-08 18:07:58,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 18:07:58,494 INFO L425 stractBuchiCegarLoop]: Abstraction has 30 states and 36 transitions. [2024-11-08 18:07:58,494 INFO L332 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2024-11-08 18:07:58,494 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 30 states and 36 transitions. [2024-11-08 18:07:58,495 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 6 [2024-11-08 18:07:58,495 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-08 18:07:58,495 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-08 18:07:58,495 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:07:58,495 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-08 18:07:58,496 INFO L745 eck$LassoCheckResult]: Stem: 643#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(10, 2); 634#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet3#1, main_#t~post4#1, main_~i~1#1, main_#t~ret5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~ret8#1, main_#t~mem9#1, main_#t~mem10#1, main_#t~post11#1, main_~i~2#1, main_#t~ret12#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(20);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;main_~i~1#1 := 0; 635#L34-3 assume main_~i~1#1 < 5; 639#L34-1 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet3#1;call write~int#1(main_#t~nondet3#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet3#1;main_#t~post4#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 640#L34-3 assume main_~i~1#1 < 5; 645#L34-1 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet3#1;call write~int#1(main_#t~nondet3#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet3#1;main_#t~post4#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 653#L34-3 assume main_~i~1#1 < 5; 652#L34-1 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet3#1;call write~int#1(main_#t~nondet3#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet3#1;main_#t~post4#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 651#L34-3 assume main_~i~1#1 < 5; 650#L34-1 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet3#1;call write~int#1(main_#t~nondet3#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet3#1;main_#t~post4#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 649#L34-3 assume main_~i~1#1 < 5; 648#L34-1 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet3#1;call write~int#1(main_#t~nondet3#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet3#1;main_#t~post4#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 647#L34-3 assume !(main_~i~1#1 < 5); 627#L34-4 havoc main_~i~1#1;assume { :begin_inline_sum } true;sum_#in~x#1.base, sum_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sum_#res#1;havoc sum_#t~mem1#1, sum_#t~post2#1, sum_~x#1.base, sum_~x#1.offset, sum_~i~0#1, sum_~ret~0#1;sum_~x#1.base, sum_~x#1.offset := sum_#in~x#1.base, sum_#in~x#1.offset;havoc sum_~i~0#1;havoc sum_~ret~0#1;sum_~ret~0#1 := 0;sum_~i~0#1 := 0; 628#L20-3 assume sum_~i~0#1 < 5; 641#L20-1 assume !!(sum_~i~0#1 < 5);call sum_#t~mem1#1 := read~int#1(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem1#1;havoc sum_#t~mem1#1;sum_#t~post2#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post2#1;havoc sum_#t~post2#1; 642#L20-3 assume !(sum_~i~0#1 < 5); 636#L20-4 sum_#res#1 := (if sum_~ret~0#1 % 4294967296 <= 2147483647 then sum_~ret~0#1 % 4294967296 else sum_~ret~0#1 % 4294967296 - 4294967296); 637#sum_returnLabel#1 main_#t~ret5#1 := sum_#res#1;havoc sum_#t~mem1#1, sum_#t~post2#1, sum_~x#1.base, sum_~x#1.offset, sum_~i~0#1, sum_~ret~0#1;havoc sum_#in~x#1.base, sum_#in~x#1.offset;assume { :end_inline_sum } true;main_~ret~1#1 := main_#t~ret5#1;havoc main_#t~ret5#1;call main_#t~mem6#1 := read~int#1(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem6#1;havoc main_#t~mem6#1;call main_#t~mem7#1 := read~int#1(main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);call write~int#1(main_#t~mem7#1, main_~#x~0#1.base, main_~#x~0#1.offset, 4);havoc main_#t~mem7#1;call write~int#1(main_~temp~0#1, main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);assume { :begin_inline_sum } true;sum_#in~x#1.base, sum_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sum_#res#1;havoc sum_#t~mem1#1, sum_#t~post2#1, sum_~x#1.base, sum_~x#1.offset, sum_~i~0#1, sum_~ret~0#1;sum_~x#1.base, sum_~x#1.offset := sum_#in~x#1.base, sum_#in~x#1.offset;havoc sum_~i~0#1;havoc sum_~ret~0#1;sum_~ret~0#1 := 0;sum_~i~0#1 := 0; 632#L20-8 assume sum_~i~0#1 < 5; 633#L20-6 assume !!(sum_~i~0#1 < 5);call sum_#t~mem1#1 := read~int#1(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem1#1;havoc sum_#t~mem1#1;sum_#t~post2#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post2#1;havoc sum_#t~post2#1; 644#L20-8 [2024-11-08 18:07:58,496 INFO L747 eck$LassoCheckResult]: Loop: 644#L20-8 assume sum_~i~0#1 < 5; 646#L20-6 assume !!(sum_~i~0#1 < 5);call sum_#t~mem1#1 := read~int#1(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem1#1;havoc sum_#t~mem1#1;sum_#t~post2#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post2#1;havoc sum_#t~post2#1; 644#L20-8 [2024-11-08 18:07:58,496 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:07:58,496 INFO L85 PathProgramCache]: Analyzing trace with hash -1671288994, now seen corresponding path program 1 times [2024-11-08 18:07:58,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:07:58,497 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [694242589] [2024-11-08 18:07:58,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:07:58,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:07:58,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:07:58,609 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-08 18:07:58,609 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:07:58,609 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [694242589] [2024-11-08 18:07:58,609 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [694242589] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 18:07:58,609 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1484793922] [2024-11-08 18:07:58,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:07:58,610 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:07:58,610 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228f927c-aeba-4b71-a95e-0dd3cd4d9f84/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:07:58,611 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228f927c-aeba-4b71-a95e-0dd3cd4d9f84/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 18:07:58,613 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228f927c-aeba-4b71-a95e-0dd3cd4d9f84/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-11-08 18:07:58,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:07:58,694 INFO L255 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 18:07:58,695 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:07:58,708 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-08 18:07:58,708 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 18:07:58,727 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-08 18:07:58,727 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1484793922] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 18:07:58,728 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 18:07:58,728 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-11-08 18:07:58,728 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1277914174] [2024-11-08 18:07:58,728 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 18:07:58,728 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-11-08 18:07:58,729 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:07:58,729 INFO L85 PathProgramCache]: Analyzing trace with hash 2054, now seen corresponding path program 2 times [2024-11-08 18:07:58,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:07:58,729 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1016451034] [2024-11-08 18:07:58,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:07:58,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:07:58,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:07:58,733 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 18:07:58,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:07:58,737 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 18:07:58,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:07:58,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 18:07:58,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-08 18:07:58,786 INFO L87 Difference]: Start difference. First operand 30 states and 36 transitions. cyclomatic complexity: 11 Second operand has 7 states, 7 states have (on average 2.857142857142857) internal successors, (20), 7 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:07:58,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:07:58,859 INFO L93 Difference]: Finished difference Result 48 states and 53 transitions. [2024-11-08 18:07:58,859 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 48 states and 53 transitions. [2024-11-08 18:07:58,860 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 6 [2024-11-08 18:07:58,860 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 48 states to 48 states and 53 transitions. [2024-11-08 18:07:58,860 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 30 [2024-11-08 18:07:58,860 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 30 [2024-11-08 18:07:58,861 INFO L73 IsDeterministic]: Start isDeterministic. Operand 48 states and 53 transitions. [2024-11-08 18:07:58,861 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-08 18:07:58,861 INFO L218 hiAutomatonCegarLoop]: Abstraction has 48 states and 53 transitions. [2024-11-08 18:07:58,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states and 53 transitions. [2024-11-08 18:07:58,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 41. [2024-11-08 18:07:58,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 41 states have (on average 1.1219512195121952) internal successors, (46), 40 states have internal predecessors, (46), 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) [2024-11-08 18:07:58,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 46 transitions. [2024-11-08 18:07:58,864 INFO L240 hiAutomatonCegarLoop]: Abstraction has 41 states and 46 transitions. [2024-11-08 18:07:58,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 18:07:58,865 INFO L425 stractBuchiCegarLoop]: Abstraction has 41 states and 46 transitions. [2024-11-08 18:07:58,865 INFO L332 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2024-11-08 18:07:58,865 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 41 states and 46 transitions. [2024-11-08 18:07:58,866 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 6 [2024-11-08 18:07:58,866 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-08 18:07:58,866 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-08 18:07:58,867 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 5, 4, 4, 4, 3, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:07:58,867 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-08 18:07:58,867 INFO L745 eck$LassoCheckResult]: Stem: 852#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(10, 2); 842#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet3#1, main_#t~post4#1, main_~i~1#1, main_#t~ret5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~ret8#1, main_#t~mem9#1, main_#t~mem10#1, main_#t~post11#1, main_~i~2#1, main_#t~ret12#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(20);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;main_~i~1#1 := 0; 843#L34-3 assume main_~i~1#1 < 5; 854#L34-1 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet3#1;call write~int#1(main_#t~nondet3#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet3#1;main_#t~post4#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 855#L34-3 assume main_~i~1#1 < 5; 847#L34-1 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet3#1;call write~int#1(main_#t~nondet3#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet3#1;main_#t~post4#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 848#L34-3 assume main_~i~1#1 < 5; 872#L34-1 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet3#1;call write~int#1(main_#t~nondet3#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet3#1;main_#t~post4#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 871#L34-3 assume main_~i~1#1 < 5; 870#L34-1 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet3#1;call write~int#1(main_#t~nondet3#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet3#1;main_#t~post4#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 869#L34-3 assume main_~i~1#1 < 5; 868#L34-1 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet3#1;call write~int#1(main_#t~nondet3#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet3#1;main_#t~post4#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 867#L34-3 assume !(main_~i~1#1 < 5); 835#L34-4 havoc main_~i~1#1;assume { :begin_inline_sum } true;sum_#in~x#1.base, sum_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sum_#res#1;havoc sum_#t~mem1#1, sum_#t~post2#1, sum_~x#1.base, sum_~x#1.offset, sum_~i~0#1, sum_~ret~0#1;sum_~x#1.base, sum_~x#1.offset := sum_#in~x#1.base, sum_#in~x#1.offset;havoc sum_~i~0#1;havoc sum_~ret~0#1;sum_~ret~0#1 := 0;sum_~i~0#1 := 0; 836#L20-3 assume sum_~i~0#1 < 5; 849#L20-1 assume !!(sum_~i~0#1 < 5);call sum_#t~mem1#1 := read~int#1(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem1#1;havoc sum_#t~mem1#1;sum_#t~post2#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post2#1;havoc sum_#t~post2#1; 850#L20-3 assume sum_~i~0#1 < 5; 851#L20-1 assume !!(sum_~i~0#1 < 5);call sum_#t~mem1#1 := read~int#1(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem1#1;havoc sum_#t~mem1#1;sum_#t~post2#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post2#1;havoc sum_#t~post2#1; 866#L20-3 assume sum_~i~0#1 < 5; 865#L20-1 assume !!(sum_~i~0#1 < 5);call sum_#t~mem1#1 := read~int#1(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem1#1;havoc sum_#t~mem1#1;sum_#t~post2#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post2#1;havoc sum_#t~post2#1; 863#L20-3 assume sum_~i~0#1 < 5; 859#L20-1 assume !!(sum_~i~0#1 < 5);call sum_#t~mem1#1 := read~int#1(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem1#1;havoc sum_#t~mem1#1;sum_#t~post2#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post2#1;havoc sum_#t~post2#1; 858#L20-3 assume !(sum_~i~0#1 < 5); 844#L20-4 sum_#res#1 := (if sum_~ret~0#1 % 4294967296 <= 2147483647 then sum_~ret~0#1 % 4294967296 else sum_~ret~0#1 % 4294967296 - 4294967296); 845#sum_returnLabel#1 main_#t~ret5#1 := sum_#res#1;havoc sum_#t~mem1#1, sum_#t~post2#1, sum_~x#1.base, sum_~x#1.offset, sum_~i~0#1, sum_~ret~0#1;havoc sum_#in~x#1.base, sum_#in~x#1.offset;assume { :end_inline_sum } true;main_~ret~1#1 := main_#t~ret5#1;havoc main_#t~ret5#1;call main_#t~mem6#1 := read~int#1(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem6#1;havoc main_#t~mem6#1;call main_#t~mem7#1 := read~int#1(main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);call write~int#1(main_#t~mem7#1, main_~#x~0#1.base, main_~#x~0#1.offset, 4);havoc main_#t~mem7#1;call write~int#1(main_~temp~0#1, main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);assume { :begin_inline_sum } true;sum_#in~x#1.base, sum_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sum_#res#1;havoc sum_#t~mem1#1, sum_#t~post2#1, sum_~x#1.base, sum_~x#1.offset, sum_~i~0#1, sum_~ret~0#1;sum_~x#1.base, sum_~x#1.offset := sum_#in~x#1.base, sum_#in~x#1.offset;havoc sum_~i~0#1;havoc sum_~ret~0#1;sum_~ret~0#1 := 0;sum_~i~0#1 := 0; 840#L20-8 assume sum_~i~0#1 < 5; 841#L20-6 assume !!(sum_~i~0#1 < 5);call sum_#t~mem1#1 := read~int#1(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem1#1;havoc sum_#t~mem1#1;sum_#t~post2#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post2#1;havoc sum_#t~post2#1; 853#L20-8 assume sum_~i~0#1 < 5; 864#L20-6 assume !!(sum_~i~0#1 < 5);call sum_#t~mem1#1 := read~int#1(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem1#1;havoc sum_#t~mem1#1;sum_#t~post2#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post2#1;havoc sum_#t~post2#1; 862#L20-8 assume sum_~i~0#1 < 5; 861#L20-6 assume !!(sum_~i~0#1 < 5);call sum_#t~mem1#1 := read~int#1(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem1#1;havoc sum_#t~mem1#1;sum_#t~post2#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post2#1;havoc sum_#t~post2#1; 860#L20-8 assume sum_~i~0#1 < 5; 857#L20-6 [2024-11-08 18:07:58,867 INFO L747 eck$LassoCheckResult]: Loop: 857#L20-6 assume !!(sum_~i~0#1 < 5);call sum_#t~mem1#1 := read~int#1(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem1#1;havoc sum_#t~mem1#1;sum_#t~post2#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post2#1;havoc sum_#t~post2#1; 856#L20-8 assume sum_~i~0#1 < 5; 857#L20-6 [2024-11-08 18:07:58,868 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:07:58,868 INFO L85 PathProgramCache]: Analyzing trace with hash 1471185897, now seen corresponding path program 2 times [2024-11-08 18:07:58,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:07:58,868 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [34666530] [2024-11-08 18:07:58,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:07:58,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:07:58,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:07:58,994 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-08 18:07:58,994 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:07:58,994 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [34666530] [2024-11-08 18:07:58,994 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [34666530] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 18:07:58,994 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1663974753] [2024-11-08 18:07:58,995 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-08 18:07:58,995 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:07:58,995 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228f927c-aeba-4b71-a95e-0dd3cd4d9f84/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:07:58,996 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228f927c-aeba-4b71-a95e-0dd3cd4d9f84/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 18:07:58,998 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228f927c-aeba-4b71-a95e-0dd3cd4d9f84/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-11-08 18:07:59,089 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-08 18:07:59,089 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-08 18:07:59,090 INFO L255 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-08 18:07:59,092 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:07:59,120 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-08 18:07:59,120 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 18:07:59,172 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-08 18:07:59,172 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1663974753] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 18:07:59,172 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 18:07:59,172 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 8 [2024-11-08 18:07:59,172 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2092702522] [2024-11-08 18:07:59,172 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 18:07:59,173 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-11-08 18:07:59,173 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:07:59,173 INFO L85 PathProgramCache]: Analyzing trace with hash 2204, now seen corresponding path program 3 times [2024-11-08 18:07:59,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:07:59,173 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [338941985] [2024-11-08 18:07:59,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:07:59,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:07:59,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:07:59,179 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 18:07:59,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:07:59,184 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 18:07:59,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:07:59,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-08 18:07:59,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2024-11-08 18:07:59,251 INFO L87 Difference]: Start difference. First operand 41 states and 46 transitions. cyclomatic complexity: 10 Second operand has 8 states, 8 states have (on average 2.75) internal successors, (22), 8 states have internal predecessors, (22), 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) [2024-11-08 18:07:59,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:07:59,335 INFO L93 Difference]: Finished difference Result 54 states and 59 transitions. [2024-11-08 18:07:59,335 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 54 states and 59 transitions. [2024-11-08 18:07:59,336 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 6 [2024-11-08 18:07:59,336 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 54 states to 54 states and 59 transitions. [2024-11-08 18:07:59,337 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 34 [2024-11-08 18:07:59,337 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 34 [2024-11-08 18:07:59,337 INFO L73 IsDeterministic]: Start isDeterministic. Operand 54 states and 59 transitions. [2024-11-08 18:07:59,337 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-08 18:07:59,337 INFO L218 hiAutomatonCegarLoop]: Abstraction has 54 states and 59 transitions. [2024-11-08 18:07:59,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states and 59 transitions. [2024-11-08 18:07:59,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 45. [2024-11-08 18:07:59,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 45 states have (on average 1.1111111111111112) internal successors, (50), 44 states have internal predecessors, (50), 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) [2024-11-08 18:07:59,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 50 transitions. [2024-11-08 18:07:59,340 INFO L240 hiAutomatonCegarLoop]: Abstraction has 45 states and 50 transitions. [2024-11-08 18:07:59,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 18:07:59,341 INFO L425 stractBuchiCegarLoop]: Abstraction has 45 states and 50 transitions. [2024-11-08 18:07:59,341 INFO L332 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2024-11-08 18:07:59,342 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 45 states and 50 transitions. [2024-11-08 18:07:59,342 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 6 [2024-11-08 18:07:59,343 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-08 18:07:59,343 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-08 18:07:59,343 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 5, 5, 5, 5, 4, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:07:59,343 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-08 18:07:59,344 INFO L745 eck$LassoCheckResult]: Stem: 1144#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(10, 2); 1134#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet3#1, main_#t~post4#1, main_~i~1#1, main_#t~ret5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~ret8#1, main_#t~mem9#1, main_#t~mem10#1, main_#t~post11#1, main_~i~2#1, main_#t~ret12#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(20);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;main_~i~1#1 := 0; 1135#L34-3 assume main_~i~1#1 < 5; 1139#L34-1 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet3#1;call write~int#1(main_#t~nondet3#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet3#1;main_#t~post4#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 1140#L34-3 assume main_~i~1#1 < 5; 1146#L34-1 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet3#1;call write~int#1(main_#t~nondet3#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet3#1;main_#t~post4#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 1168#L34-3 assume main_~i~1#1 < 5; 1167#L34-1 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet3#1;call write~int#1(main_#t~nondet3#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet3#1;main_#t~post4#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 1166#L34-3 assume main_~i~1#1 < 5; 1165#L34-1 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet3#1;call write~int#1(main_#t~nondet3#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet3#1;main_#t~post4#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 1164#L34-3 assume main_~i~1#1 < 5; 1163#L34-1 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet3#1;call write~int#1(main_#t~nondet3#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet3#1;main_#t~post4#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 1162#L34-3 assume !(main_~i~1#1 < 5); 1127#L34-4 havoc main_~i~1#1;assume { :begin_inline_sum } true;sum_#in~x#1.base, sum_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sum_#res#1;havoc sum_#t~mem1#1, sum_#t~post2#1, sum_~x#1.base, sum_~x#1.offset, sum_~i~0#1, sum_~ret~0#1;sum_~x#1.base, sum_~x#1.offset := sum_#in~x#1.base, sum_#in~x#1.offset;havoc sum_~i~0#1;havoc sum_~ret~0#1;sum_~ret~0#1 := 0;sum_~i~0#1 := 0; 1128#L20-3 assume sum_~i~0#1 < 5; 1141#L20-1 assume !!(sum_~i~0#1 < 5);call sum_#t~mem1#1 := read~int#1(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem1#1;havoc sum_#t~mem1#1;sum_#t~post2#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post2#1;havoc sum_#t~post2#1; 1142#L20-3 assume sum_~i~0#1 < 5; 1143#L20-1 assume !!(sum_~i~0#1 < 5);call sum_#t~mem1#1 := read~int#1(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem1#1;havoc sum_#t~mem1#1;sum_#t~post2#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post2#1;havoc sum_#t~post2#1; 1161#L20-3 assume sum_~i~0#1 < 5; 1160#L20-1 assume !!(sum_~i~0#1 < 5);call sum_#t~mem1#1 := read~int#1(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem1#1;havoc sum_#t~mem1#1;sum_#t~post2#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post2#1;havoc sum_#t~post2#1; 1158#L20-3 assume sum_~i~0#1 < 5; 1156#L20-1 assume !!(sum_~i~0#1 < 5);call sum_#t~mem1#1 := read~int#1(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem1#1;havoc sum_#t~mem1#1;sum_#t~post2#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post2#1;havoc sum_#t~post2#1; 1154#L20-3 assume sum_~i~0#1 < 5; 1150#L20-1 assume !!(sum_~i~0#1 < 5);call sum_#t~mem1#1 := read~int#1(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem1#1;havoc sum_#t~mem1#1;sum_#t~post2#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post2#1;havoc sum_#t~post2#1; 1149#L20-3 assume !(sum_~i~0#1 < 5); 1136#L20-4 sum_#res#1 := (if sum_~ret~0#1 % 4294967296 <= 2147483647 then sum_~ret~0#1 % 4294967296 else sum_~ret~0#1 % 4294967296 - 4294967296); 1137#sum_returnLabel#1 main_#t~ret5#1 := sum_#res#1;havoc sum_#t~mem1#1, sum_#t~post2#1, sum_~x#1.base, sum_~x#1.offset, sum_~i~0#1, sum_~ret~0#1;havoc sum_#in~x#1.base, sum_#in~x#1.offset;assume { :end_inline_sum } true;main_~ret~1#1 := main_#t~ret5#1;havoc main_#t~ret5#1;call main_#t~mem6#1 := read~int#1(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem6#1;havoc main_#t~mem6#1;call main_#t~mem7#1 := read~int#1(main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);call write~int#1(main_#t~mem7#1, main_~#x~0#1.base, main_~#x~0#1.offset, 4);havoc main_#t~mem7#1;call write~int#1(main_~temp~0#1, main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);assume { :begin_inline_sum } true;sum_#in~x#1.base, sum_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sum_#res#1;havoc sum_#t~mem1#1, sum_#t~post2#1, sum_~x#1.base, sum_~x#1.offset, sum_~i~0#1, sum_~ret~0#1;sum_~x#1.base, sum_~x#1.offset := sum_#in~x#1.base, sum_#in~x#1.offset;havoc sum_~i~0#1;havoc sum_~ret~0#1;sum_~ret~0#1 := 0;sum_~i~0#1 := 0; 1132#L20-8 assume sum_~i~0#1 < 5; 1133#L20-6 assume !!(sum_~i~0#1 < 5);call sum_#t~mem1#1 := read~int#1(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem1#1;havoc sum_#t~mem1#1;sum_#t~post2#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post2#1;havoc sum_#t~post2#1; 1145#L20-8 assume sum_~i~0#1 < 5; 1159#L20-6 assume !!(sum_~i~0#1 < 5);call sum_#t~mem1#1 := read~int#1(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem1#1;havoc sum_#t~mem1#1;sum_#t~post2#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post2#1;havoc sum_#t~post2#1; 1157#L20-8 assume sum_~i~0#1 < 5; 1155#L20-6 assume !!(sum_~i~0#1 < 5);call sum_#t~mem1#1 := read~int#1(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem1#1;havoc sum_#t~mem1#1;sum_#t~post2#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post2#1;havoc sum_#t~post2#1; 1153#L20-8 assume sum_~i~0#1 < 5; 1152#L20-6 assume !!(sum_~i~0#1 < 5);call sum_#t~mem1#1 := read~int#1(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem1#1;havoc sum_#t~mem1#1;sum_#t~post2#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post2#1;havoc sum_#t~post2#1; 1151#L20-8 assume sum_~i~0#1 < 5; 1148#L20-6 [2024-11-08 18:07:59,344 INFO L747 eck$LassoCheckResult]: Loop: 1148#L20-6 assume !!(sum_~i~0#1 < 5);call sum_#t~mem1#1 := read~int#1(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem1#1;havoc sum_#t~mem1#1;sum_#t~post2#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post2#1;havoc sum_#t~post2#1; 1147#L20-8 assume sum_~i~0#1 < 5; 1148#L20-6 [2024-11-08 18:07:59,344 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:07:59,344 INFO L85 PathProgramCache]: Analyzing trace with hash 684214505, now seen corresponding path program 3 times [2024-11-08 18:07:59,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:07:59,344 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1278449566] [2024-11-08 18:07:59,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:07:59,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:07:59,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:07:59,433 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 18:07:59,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:07:59,475 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 18:07:59,475 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:07:59,475 INFO L85 PathProgramCache]: Analyzing trace with hash 2204, now seen corresponding path program 4 times [2024-11-08 18:07:59,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:07:59,477 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [810426690] [2024-11-08 18:07:59,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:07:59,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:07:59,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:07:59,482 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 18:07:59,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:07:59,486 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 18:07:59,487 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:07:59,487 INFO L85 PathProgramCache]: Analyzing trace with hash 400144260, now seen corresponding path program 4 times [2024-11-08 18:07:59,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:07:59,487 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1121259755] [2024-11-08 18:07:59,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:07:59,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:07:59,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:07:59,652 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 16 proven. 9 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2024-11-08 18:07:59,653 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:07:59,654 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1121259755] [2024-11-08 18:07:59,654 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1121259755] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 18:07:59,654 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1624477495] [2024-11-08 18:07:59,654 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-08 18:07:59,655 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:07:59,655 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228f927c-aeba-4b71-a95e-0dd3cd4d9f84/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:07:59,660 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228f927c-aeba-4b71-a95e-0dd3cd4d9f84/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 18:07:59,662 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228f927c-aeba-4b71-a95e-0dd3cd4d9f84/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-11-08 18:07:59,761 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-08 18:07:59,762 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-08 18:07:59,763 INFO L255 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 18:07:59,765 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:07:59,794 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2024-11-08 18:07:59,795 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 18:07:59,795 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1624477495] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:07:59,795 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 18:07:59,795 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 8 [2024-11-08 18:07:59,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2116435533] [2024-11-08 18:07:59,795 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:07:59,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:07:59,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-08 18:07:59,860 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=41, Unknown=0, NotChecked=0, Total=72 [2024-11-08 18:07:59,860 INFO L87 Difference]: Start difference. First operand 45 states and 50 transitions. cyclomatic complexity: 10 Second operand has 8 states, 7 states have (on average 3.142857142857143) internal successors, (22), 8 states have internal predecessors, (22), 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) [2024-11-08 18:07:59,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:07:59,950 INFO L93 Difference]: Finished difference Result 54 states and 56 transitions. [2024-11-08 18:07:59,951 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 54 states and 56 transitions. [2024-11-08 18:07:59,951 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-08 18:07:59,952 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 54 states to 42 states and 43 transitions. [2024-11-08 18:07:59,952 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 22 [2024-11-08 18:07:59,952 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 32 [2024-11-08 18:07:59,952 INFO L73 IsDeterministic]: Start isDeterministic. Operand 42 states and 43 transitions. [2024-11-08 18:07:59,953 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-08 18:07:59,953 INFO L218 hiAutomatonCegarLoop]: Abstraction has 42 states and 43 transitions. [2024-11-08 18:07:59,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states and 43 transitions. [2024-11-08 18:07:59,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2024-11-08 18:07:59,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 42 states have (on average 1.0238095238095237) internal successors, (43), 41 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:07:59,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 43 transitions. [2024-11-08 18:07:59,956 INFO L240 hiAutomatonCegarLoop]: Abstraction has 42 states and 43 transitions. [2024-11-08 18:07:59,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-08 18:07:59,956 INFO L425 stractBuchiCegarLoop]: Abstraction has 42 states and 43 transitions. [2024-11-08 18:07:59,957 INFO L332 stractBuchiCegarLoop]: ======== Iteration 10 ============ [2024-11-08 18:07:59,957 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 42 states and 43 transitions. [2024-11-08 18:07:59,957 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-08 18:07:59,957 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-08 18:07:59,957 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-08 18:07:59,958 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:07:59,958 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-08 18:07:59,959 INFO L745 eck$LassoCheckResult]: Stem: 1364#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(10, 2); 1356#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet3#1, main_#t~post4#1, main_~i~1#1, main_#t~ret5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~ret8#1, main_#t~mem9#1, main_#t~mem10#1, main_#t~post11#1, main_~i~2#1, main_#t~ret12#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(20);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;main_~i~1#1 := 0; 1357#L34-3 assume main_~i~1#1 < 5; 1361#L34-1 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet3#1;call write~int#1(main_#t~nondet3#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet3#1;main_#t~post4#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 1362#L34-3 assume main_~i~1#1 < 5; 1367#L34-1 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet3#1;call write~int#1(main_#t~nondet3#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet3#1;main_#t~post4#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 1383#L34-3 assume main_~i~1#1 < 5; 1381#L34-1 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet3#1;call write~int#1(main_#t~nondet3#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet3#1;main_#t~post4#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 1379#L34-3 assume main_~i~1#1 < 5; 1378#L34-1 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet3#1;call write~int#1(main_#t~nondet3#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet3#1;main_#t~post4#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 1377#L34-3 assume main_~i~1#1 < 5; 1375#L34-1 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet3#1;call write~int#1(main_#t~nondet3#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet3#1;main_#t~post4#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 1374#L34-3 assume !(main_~i~1#1 < 5); 1351#L34-4 havoc main_~i~1#1;assume { :begin_inline_sum } true;sum_#in~x#1.base, sum_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sum_#res#1;havoc sum_#t~mem1#1, sum_#t~post2#1, sum_~x#1.base, sum_~x#1.offset, sum_~i~0#1, sum_~ret~0#1;sum_~x#1.base, sum_~x#1.offset := sum_#in~x#1.base, sum_#in~x#1.offset;havoc sum_~i~0#1;havoc sum_~ret~0#1;sum_~ret~0#1 := 0;sum_~i~0#1 := 0; 1352#L20-3 assume sum_~i~0#1 < 5; 1363#L20-1 assume !!(sum_~i~0#1 < 5);call sum_#t~mem1#1 := read~int#1(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem1#1;havoc sum_#t~mem1#1;sum_#t~post2#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post2#1;havoc sum_#t~post2#1; 1365#L20-3 assume sum_~i~0#1 < 5; 1389#L20-1 assume !!(sum_~i~0#1 < 5);call sum_#t~mem1#1 := read~int#1(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem1#1;havoc sum_#t~mem1#1;sum_#t~post2#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post2#1;havoc sum_#t~post2#1; 1388#L20-3 assume sum_~i~0#1 < 5; 1387#L20-1 assume !!(sum_~i~0#1 < 5);call sum_#t~mem1#1 := read~int#1(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem1#1;havoc sum_#t~mem1#1;sum_#t~post2#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post2#1;havoc sum_#t~post2#1; 1386#L20-3 assume sum_~i~0#1 < 5; 1385#L20-1 assume !!(sum_~i~0#1 < 5);call sum_#t~mem1#1 := read~int#1(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem1#1;havoc sum_#t~mem1#1;sum_#t~post2#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post2#1;havoc sum_#t~post2#1; 1384#L20-3 assume sum_~i~0#1 < 5; 1382#L20-1 assume !!(sum_~i~0#1 < 5);call sum_#t~mem1#1 := read~int#1(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem1#1;havoc sum_#t~mem1#1;sum_#t~post2#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post2#1;havoc sum_#t~post2#1; 1380#L20-3 assume !(sum_~i~0#1 < 5); 1358#L20-4 sum_#res#1 := (if sum_~ret~0#1 % 4294967296 <= 2147483647 then sum_~ret~0#1 % 4294967296 else sum_~ret~0#1 % 4294967296 - 4294967296); 1359#sum_returnLabel#1 main_#t~ret5#1 := sum_#res#1;havoc sum_#t~mem1#1, sum_#t~post2#1, sum_~x#1.base, sum_~x#1.offset, sum_~i~0#1, sum_~ret~0#1;havoc sum_#in~x#1.base, sum_#in~x#1.offset;assume { :end_inline_sum } true;main_~ret~1#1 := main_#t~ret5#1;havoc main_#t~ret5#1;call main_#t~mem6#1 := read~int#1(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem6#1;havoc main_#t~mem6#1;call main_#t~mem7#1 := read~int#1(main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);call write~int#1(main_#t~mem7#1, main_~#x~0#1.base, main_~#x~0#1.offset, 4);havoc main_#t~mem7#1;call write~int#1(main_~temp~0#1, main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);assume { :begin_inline_sum } true;sum_#in~x#1.base, sum_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sum_#res#1;havoc sum_#t~mem1#1, sum_#t~post2#1, sum_~x#1.base, sum_~x#1.offset, sum_~i~0#1, sum_~ret~0#1;sum_~x#1.base, sum_~x#1.offset := sum_#in~x#1.base, sum_#in~x#1.offset;havoc sum_~i~0#1;havoc sum_~ret~0#1;sum_~ret~0#1 := 0;sum_~i~0#1 := 0; 1360#L20-8 assume sum_~i~0#1 < 5; 1366#L20-6 assume !!(sum_~i~0#1 < 5);call sum_#t~mem1#1 := read~int#1(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem1#1;havoc sum_#t~mem1#1;sum_#t~post2#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post2#1;havoc sum_#t~post2#1; 1354#L20-8 assume sum_~i~0#1 < 5; 1355#L20-6 assume !!(sum_~i~0#1 < 5);call sum_#t~mem1#1 := read~int#1(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem1#1;havoc sum_#t~mem1#1;sum_#t~post2#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post2#1;havoc sum_#t~post2#1; 1376#L20-8 assume sum_~i~0#1 < 5; 1373#L20-6 assume !!(sum_~i~0#1 < 5);call sum_#t~mem1#1 := read~int#1(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem1#1;havoc sum_#t~mem1#1;sum_#t~post2#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post2#1;havoc sum_#t~post2#1; 1372#L20-8 assume sum_~i~0#1 < 5; 1371#L20-6 assume !!(sum_~i~0#1 < 5);call sum_#t~mem1#1 := read~int#1(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem1#1;havoc sum_#t~mem1#1;sum_#t~post2#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post2#1;havoc sum_#t~post2#1; 1370#L20-8 assume sum_~i~0#1 < 5; 1369#L20-6 assume !!(sum_~i~0#1 < 5);call sum_#t~mem1#1 := read~int#1(sum_~x#1.base, sum_~x#1.offset + 4 * sum_~i~0#1, 4);sum_~ret~0#1 := sum_~ret~0#1 + sum_#t~mem1#1;havoc sum_#t~mem1#1;sum_#t~post2#1 := sum_~i~0#1;sum_~i~0#1 := 1 + sum_#t~post2#1;havoc sum_#t~post2#1; 1368#L20-8 assume !(sum_~i~0#1 < 5); 1350#L20-9 sum_#res#1 := (if sum_~ret~0#1 % 4294967296 <= 2147483647 then sum_~ret~0#1 % 4294967296 else sum_~ret~0#1 % 4294967296 - 4294967296); 1348#sum_returnLabel#2 main_#t~ret8#1 := sum_#res#1;havoc sum_#t~mem1#1, sum_#t~post2#1, sum_~x#1.base, sum_~x#1.offset, sum_~i~0#1, sum_~ret~0#1;havoc sum_#in~x#1.base, sum_#in~x#1.offset;assume { :end_inline_sum } true;main_~ret2~0#1 := main_#t~ret8#1;havoc main_#t~ret8#1;call main_#t~mem9#1 := read~int#1(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem9#1;havoc main_#t~mem9#1;main_~i~2#1 := 0; 1349#L43-3 [2024-11-08 18:07:59,959 INFO L747 eck$LassoCheckResult]: Loop: 1349#L43-3 assume main_~i~2#1 < 4; 1353#L43-1 assume !!(main_~i~2#1 < 4);call main_#t~mem10#1 := read~int#1(main_~#x~0#1.base, main_~#x~0#1.offset + 4 * (1 + main_~i~2#1), 4);call write~int#1(main_#t~mem10#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~2#1, 4);havoc main_#t~mem10#1;main_#t~post11#1 := main_~i~2#1;main_~i~2#1 := 1 + main_#t~post11#1;havoc main_#t~post11#1; 1349#L43-3 [2024-11-08 18:07:59,959 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:07:59,959 INFO L85 PathProgramCache]: Analyzing trace with hash -2008414675, now seen corresponding path program 1 times [2024-11-08 18:07:59,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:07:59,960 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1752052205] [2024-11-08 18:07:59,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:07:59,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:08:00,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:08:00,013 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 18:08:00,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:08:00,078 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 18:08:00,078 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:08:00,079 INFO L85 PathProgramCache]: Analyzing trace with hash 2534, now seen corresponding path program 1 times [2024-11-08 18:08:00,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:08:00,079 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1327080808] [2024-11-08 18:08:00,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:08:00,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:08:00,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:08:00,083 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 18:08:00,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:08:00,086 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 18:08:00,087 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:08:00,087 INFO L85 PathProgramCache]: Analyzing trace with hash -1646185198, now seen corresponding path program 1 times [2024-11-08 18:08:00,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:08:00,087 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1105042796] [2024-11-08 18:08:00,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:08:00,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:08:00,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:08:00,117 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 18:08:00,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:08:00,201 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 18:08:05,662 INFO L204 LassoAnalysis]: Preferences: [2024-11-08 18:08:05,662 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-08 18:08:05,662 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-08 18:08:05,662 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-08 18:08:05,662 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-08 18:08:05,662 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 18:08:05,662 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-08 18:08:05,662 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-08 18:08:05,663 INFO L132 ssoRankerPreferences]: Filename of dumped script: sum05-2.i_Iteration10_Lasso [2024-11-08 18:08:05,663 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-08 18:08:05,663 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-08 18:08:05,674 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 18:08:05,683 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 18:08:05,688 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 18:08:05,691 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 18:08:05,695 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 18:08:05,698 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 18:08:05,701 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 18:08:55,573 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 18:08:55,576 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 18:08:55,579 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 18:08:55,581 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 18:08:55,583 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 18:08:55,585 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 18:08:55,587 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 18:08:55,589 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 18:08:55,592 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 18:08:55,606 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 18:08:55,608 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 18:08:55,610 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 18:08:55,613 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 18:08:55,615 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 18:08:55,617 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 18:08:55,619 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 18:08:55,621 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 18:08:55,934 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2024-11-08 18:08:56,256 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-08 18:08:56,256 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-08 18:08:56,256 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 18:08:56,256 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228f927c-aeba-4b71-a95e-0dd3cd4d9f84/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:08:56,261 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228f927c-aeba-4b71-a95e-0dd3cd4d9f84/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 18:08:56,262 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228f927c-aeba-4b71-a95e-0dd3cd4d9f84/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2024-11-08 18:08:56,263 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 [2024-11-08 18:08:56,277 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-08 18:08:56,278 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-08 18:08:56,278 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-08 18:08:56,278 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-08 18:08:56,278 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-08 18:08:56,279 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-08 18:08:56,279 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-08 18:08:56,280 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-08 18:08:56,298 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228f927c-aeba-4b71-a95e-0dd3cd4d9f84/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2024-11-08 18:08:56,299 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 18:08:56,299 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228f927c-aeba-4b71-a95e-0dd3cd4d9f84/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:08:56,300 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228f927c-aeba-4b71-a95e-0dd3cd4d9f84/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 18:08:56,302 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228f927c-aeba-4b71-a95e-0dd3cd4d9f84/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2024-11-08 18:08:56,303 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 [2024-11-08 18:08:56,317 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-08 18:08:56,317 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-08 18:08:56,318 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-08 18:08:56,318 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-08 18:08:56,318 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-08 18:08:56,318 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-08 18:08:56,318 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-08 18:08:56,320 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-08 18:08:56,338 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228f927c-aeba-4b71-a95e-0dd3cd4d9f84/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2024-11-08 18:08:56,339 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 18:08:56,339 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228f927c-aeba-4b71-a95e-0dd3cd4d9f84/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:08:56,341 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228f927c-aeba-4b71-a95e-0dd3cd4d9f84/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 18:08:56,343 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228f927c-aeba-4b71-a95e-0dd3cd4d9f84/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2024-11-08 18:08:56,345 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 [2024-11-08 18:08:56,360 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-08 18:08:56,360 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-08 18:08:56,360 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-08 18:08:56,360 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-08 18:08:56,361 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-08 18:08:56,362 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-08 18:08:56,362 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-08 18:08:56,365 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-08 18:08:56,383 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228f927c-aeba-4b71-a95e-0dd3cd4d9f84/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2024-11-08 18:08:56,385 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 18:08:56,386 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228f927c-aeba-4b71-a95e-0dd3cd4d9f84/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:08:56,387 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228f927c-aeba-4b71-a95e-0dd3cd4d9f84/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 18:08:56,389 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228f927c-aeba-4b71-a95e-0dd3cd4d9f84/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2024-11-08 18:08:56,390 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 [2024-11-08 18:08:56,404 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-08 18:08:56,404 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-08 18:08:56,404 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-08 18:08:56,404 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-08 18:08:56,404 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-08 18:08:56,405 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-08 18:08:56,405 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-08 18:08:56,408 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-08 18:08:56,426 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228f927c-aeba-4b71-a95e-0dd3cd4d9f84/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2024-11-08 18:08:56,427 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 18:08:56,427 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228f927c-aeba-4b71-a95e-0dd3cd4d9f84/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:08:56,429 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228f927c-aeba-4b71-a95e-0dd3cd4d9f84/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 18:08:56,430 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228f927c-aeba-4b71-a95e-0dd3cd4d9f84/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2024-11-08 18:08:56,431 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 [2024-11-08 18:08:56,446 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-08 18:08:56,446 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-08 18:08:56,446 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-08 18:08:56,446 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-08 18:08:56,446 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-08 18:08:56,447 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-08 18:08:56,447 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-08 18:08:56,448 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-08 18:08:56,466 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228f927c-aeba-4b71-a95e-0dd3cd4d9f84/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2024-11-08 18:08:56,466 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 18:08:56,467 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228f927c-aeba-4b71-a95e-0dd3cd4d9f84/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:08:56,468 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228f927c-aeba-4b71-a95e-0dd3cd4d9f84/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 18:08:56,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228f927c-aeba-4b71-a95e-0dd3cd4d9f84/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2024-11-08 18:08:56,471 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-08 18:08:56,486 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-08 18:08:56,486 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-08 18:08:56,487 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-08 18:08:56,487 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-08 18:08:56,487 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-08 18:08:56,487 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-08 18:08:56,487 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-08 18:08:56,489 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-08 18:08:56,506 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228f927c-aeba-4b71-a95e-0dd3cd4d9f84/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2024-11-08 18:08:56,507 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 18:08:56,507 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228f927c-aeba-4b71-a95e-0dd3cd4d9f84/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:08:56,508 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228f927c-aeba-4b71-a95e-0dd3cd4d9f84/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 18:08:56,510 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228f927c-aeba-4b71-a95e-0dd3cd4d9f84/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2024-11-08 18:08:56,514 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 [2024-11-08 18:08:56,528 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-08 18:08:56,529 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-08 18:08:56,529 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-08 18:08:56,529 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-08 18:08:56,532 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-08 18:08:56,532 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-08 18:08:56,538 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-08 18:08:56,555 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228f927c-aeba-4b71-a95e-0dd3cd4d9f84/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2024-11-08 18:08:56,556 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 18:08:56,556 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228f927c-aeba-4b71-a95e-0dd3cd4d9f84/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:08:56,558 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228f927c-aeba-4b71-a95e-0dd3cd4d9f84/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 18:08:56,560 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228f927c-aeba-4b71-a95e-0dd3cd4d9f84/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2024-11-08 18:08:56,561 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 [2024-11-08 18:08:56,575 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-08 18:08:56,575 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-08 18:08:56,575 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-08 18:08:56,575 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-08 18:08:56,577 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-08 18:08:56,577 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-08 18:08:56,581 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-08 18:08:56,599 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228f927c-aeba-4b71-a95e-0dd3cd4d9f84/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2024-11-08 18:08:56,599 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 18:08:56,600 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228f927c-aeba-4b71-a95e-0dd3cd4d9f84/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:08:56,601 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228f927c-aeba-4b71-a95e-0dd3cd4d9f84/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 18:08:56,603 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228f927c-aeba-4b71-a95e-0dd3cd4d9f84/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2024-11-08 18:08:56,604 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 [2024-11-08 18:08:56,618 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-08 18:08:56,619 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-08 18:08:56,619 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-08 18:08:56,619 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-08 18:08:56,620 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-08 18:08:56,621 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-08 18:08:56,625 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-08 18:08:56,642 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228f927c-aeba-4b71-a95e-0dd3cd4d9f84/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2024-11-08 18:08:56,643 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 18:08:56,643 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228f927c-aeba-4b71-a95e-0dd3cd4d9f84/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:08:56,644 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228f927c-aeba-4b71-a95e-0dd3cd4d9f84/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 18:08:56,646 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228f927c-aeba-4b71-a95e-0dd3cd4d9f84/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2024-11-08 18:08:56,648 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 [2024-11-08 18:08:56,662 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-08 18:08:56,662 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-08 18:08:56,662 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-08 18:08:56,662 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-08 18:08:56,665 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-08 18:08:56,665 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-08 18:08:56,669 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-08 18:08:56,688 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228f927c-aeba-4b71-a95e-0dd3cd4d9f84/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2024-11-08 18:08:56,690 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 18:08:56,690 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228f927c-aeba-4b71-a95e-0dd3cd4d9f84/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:08:56,691 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228f927c-aeba-4b71-a95e-0dd3cd4d9f84/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 18:08:56,693 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228f927c-aeba-4b71-a95e-0dd3cd4d9f84/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2024-11-08 18:08:56,694 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 [2024-11-08 18:08:56,708 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-08 18:08:56,708 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-08 18:08:56,709 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-08 18:08:56,709 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-08 18:08:56,710 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-08 18:08:56,710 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-08 18:08:56,721 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-08 18:08:56,740 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228f927c-aeba-4b71-a95e-0dd3cd4d9f84/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2024-11-08 18:08:56,740 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 18:08:56,740 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228f927c-aeba-4b71-a95e-0dd3cd4d9f84/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:08:56,742 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228f927c-aeba-4b71-a95e-0dd3cd4d9f84/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 18:08:56,744 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228f927c-aeba-4b71-a95e-0dd3cd4d9f84/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2024-11-08 18:08:56,745 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 [2024-11-08 18:08:56,760 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-08 18:08:56,760 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-08 18:08:56,760 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-08 18:08:56,760 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-08 18:08:56,763 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-08 18:08:56,763 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-08 18:08:56,767 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-08 18:08:56,786 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228f927c-aeba-4b71-a95e-0dd3cd4d9f84/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2024-11-08 18:08:56,786 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 18:08:56,787 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228f927c-aeba-4b71-a95e-0dd3cd4d9f84/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:08:56,788 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228f927c-aeba-4b71-a95e-0dd3cd4d9f84/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 18:08:56,790 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228f927c-aeba-4b71-a95e-0dd3cd4d9f84/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2024-11-08 18:08:56,791 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 [2024-11-08 18:08:56,806 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-08 18:08:56,806 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2024-11-08 18:08:56,806 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-08 18:08:56,806 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-08 18:08:56,812 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2024-11-08 18:08:56,812 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-08 18:08:56,827 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-08 18:08:56,844 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228f927c-aeba-4b71-a95e-0dd3cd4d9f84/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2024-11-08 18:08:56,844 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 18:08:56,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228f927c-aeba-4b71-a95e-0dd3cd4d9f84/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:08:56,845 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228f927c-aeba-4b71-a95e-0dd3cd4d9f84/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 18:08:56,846 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228f927c-aeba-4b71-a95e-0dd3cd4d9f84/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2024-11-08 18:08:56,847 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-08 18:08:56,857 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-08 18:08:56,858 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-08 18:08:56,858 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-08 18:08:56,858 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-08 18:08:56,859 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-08 18:08:56,859 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-08 18:08:56,862 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-08 18:08:56,874 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228f927c-aeba-4b71-a95e-0dd3cd4d9f84/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2024-11-08 18:08:56,874 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 18:08:56,874 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228f927c-aeba-4b71-a95e-0dd3cd4d9f84/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:08:56,875 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228f927c-aeba-4b71-a95e-0dd3cd4d9f84/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 18:08:56,876 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228f927c-aeba-4b71-a95e-0dd3cd4d9f84/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2024-11-08 18:08:56,877 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 [2024-11-08 18:08:56,887 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-08 18:08:56,888 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2024-11-08 18:08:56,888 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-08 18:08:56,888 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-08 18:08:56,890 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2024-11-08 18:08:56,890 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-08 18:08:56,895 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-08 18:08:56,906 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228f927c-aeba-4b71-a95e-0dd3cd4d9f84/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2024-11-08 18:08:56,907 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 18:08:56,907 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228f927c-aeba-4b71-a95e-0dd3cd4d9f84/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:08:56,908 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228f927c-aeba-4b71-a95e-0dd3cd4d9f84/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 18:08:56,909 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228f927c-aeba-4b71-a95e-0dd3cd4d9f84/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2024-11-08 18:08:56,910 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 [2024-11-08 18:08:56,921 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-08 18:08:56,921 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-08 18:08:56,921 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-08 18:08:56,921 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-08 18:08:56,924 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-08 18:08:56,924 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-08 18:08:56,934 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-08 18:08:56,956 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2024-11-08 18:08:56,956 INFO L444 ModelExtractionUtils]: 0 out of 13 variables were initially zero. Simplification set additionally 10 variables to zero. [2024-11-08 18:08:56,956 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 18:08:56,956 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228f927c-aeba-4b71-a95e-0dd3cd4d9f84/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:08:56,958 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228f927c-aeba-4b71-a95e-0dd3cd4d9f84/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 18:08:56,960 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228f927c-aeba-4b71-a95e-0dd3cd4d9f84/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2024-11-08 18:08:56,960 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-08 18:08:56,978 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-11-08 18:08:56,979 INFO L474 LassoAnalysis]: Proved termination. [2024-11-08 18:08:56,979 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~2#1) = -2*ULTIMATE.start_main_~i~2#1 + 7 Supporting invariants [] [2024-11-08 18:08:56,995 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228f927c-aeba-4b71-a95e-0dd3cd4d9f84/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2024-11-08 18:08:57,014 INFO L156 tatePredicateManager]: 4 out of 4 supporting invariants were superfluous and have been removed [2024-11-08 18:08:57,028 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:08:57,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:08:57,087 INFO L255 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 18:08:57,088 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:08:57,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:08:57,151 INFO L255 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 18:08:57,151 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:08:57,165 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:08:57,166 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 [2024-11-08 18:08:57,166 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 42 states and 43 transitions. cyclomatic complexity: 3 Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:08:57,181 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 42 states and 43 transitions. cyclomatic complexity: 3. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 44 states and 46 transitions. Complement of second has 4 states. [2024-11-08 18:08:57,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-08 18:08:57,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:08:57,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 18 transitions. [2024-11-08 18:08:57,182 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 18 transitions. Stem has 40 letters. Loop has 2 letters. [2024-11-08 18:08:57,182 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-08 18:08:57,183 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 18 transitions. Stem has 42 letters. Loop has 2 letters. [2024-11-08 18:08:57,183 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-08 18:08:57,183 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 18 transitions. Stem has 40 letters. Loop has 4 letters. [2024-11-08 18:08:57,183 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-08 18:08:57,183 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 44 states and 46 transitions. [2024-11-08 18:08:57,184 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-08 18:08:57,184 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 44 states to 0 states and 0 transitions. [2024-11-08 18:08:57,184 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-08 18:08:57,184 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-08 18:08:57,184 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-08 18:08:57,184 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-08 18:08:57,184 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-08 18:08:57,184 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-08 18:08:57,184 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-08 18:08:57,184 INFO L332 stractBuchiCegarLoop]: ======== Iteration 11 ============ [2024-11-08 18:08:57,184 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-11-08 18:08:57,185 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-08 18:08:57,185 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-11-08 18:08:57,192 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 08.11 06:08:57 BoogieIcfgContainer [2024-11-08 18:08:57,192 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-08 18:08:57,193 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 18:08:57,193 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 18:08:57,193 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 18:08:57,193 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:07:52" (3/4) ... [2024-11-08 18:08:57,195 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 18:08:57,197 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 18:08:57,197 INFO L158 Benchmark]: Toolchain (without parser) took 65835.26ms. Allocated memory was 140.5MB in the beginning and 1.2GB in the end (delta: 1.0GB). Free memory was 105.1MB in the beginning and 787.1MB in the end (delta: -682.0MB). Peak memory consumption was 332.4MB. Max. memory is 16.1GB. [2024-11-08 18:08:57,197 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 140.5MB. Free memory was 109.6MB in the beginning and 109.5MB in the end (delta: 119.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 18:08:57,198 INFO L158 Benchmark]: CACSL2BoogieTranslator took 372.01ms. Allocated memory is still 140.5MB. Free memory was 105.1MB in the beginning and 92.5MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 18:08:57,198 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.28ms. Allocated memory is still 140.5MB. Free memory was 92.5MB in the beginning and 90.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 18:08:57,198 INFO L158 Benchmark]: Boogie Preprocessor took 57.55ms. Allocated memory is still 140.5MB. Free memory was 90.4MB in the beginning and 88.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 18:08:57,199 INFO L158 Benchmark]: RCFGBuilder took 483.67ms. Allocated memory is still 140.5MB. Free memory was 88.3MB in the beginning and 73.7MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 18:08:57,199 INFO L158 Benchmark]: BuchiAutomizer took 64858.83ms. Allocated memory was 140.5MB in the beginning and 1.2GB in the end (delta: 1.0GB). Free memory was 73.2MB in the beginning and 787.1MB in the end (delta: -713.9MB). Peak memory consumption was 300.9MB. Max. memory is 16.1GB. [2024-11-08 18:08:57,199 INFO L158 Benchmark]: Witness Printer took 4.17ms. Allocated memory is still 1.2GB. Free memory is still 787.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 18:08:57,201 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 140.5MB. Free memory was 109.6MB in the beginning and 109.5MB in the end (delta: 119.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 372.01ms. Allocated memory is still 140.5MB. Free memory was 105.1MB in the beginning and 92.5MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.28ms. Allocated memory is still 140.5MB. Free memory was 92.5MB in the beginning and 90.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.55ms. Allocated memory is still 140.5MB. Free memory was 90.4MB in the beginning and 88.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 483.67ms. Allocated memory is still 140.5MB. Free memory was 88.3MB in the beginning and 73.7MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * BuchiAutomizer took 64858.83ms. Allocated memory was 140.5MB in the beginning and 1.2GB in the end (delta: 1.0GB). Free memory was 73.2MB in the beginning and 787.1MB in the end (delta: -713.9MB). Peak memory consumption was 300.9MB. Max. memory is 16.1GB. * Witness Printer took 4.17ms. Allocated memory is still 1.2GB. Free memory is still 787.1MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 10 terminating modules (7 trivial, 3 deterministic, 0 nondeterministic). One deterministic module has affine ranking function null and consists of 4 locations. One deterministic module has affine ranking function (9 + ((long long) -2 * i)) and consists of 4 locations. One deterministic module has affine ranking function (((long long) -2 * i) + 7) and consists of 3 locations. 7 modules have a trivial ranking function, the largest among these consists of 8 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 64.7s and 11 iterations. TraceHistogramMax:5. Analysis of lassos took 63.7s. Construction of modules took 0.2s. Büchi inclusion checks took 0.6s. Highest rank in rank-based complementation 3. Minimization of det autom 10. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 9 MinimizatonAttempts, 20 StatesRemovedByMinimization, 4 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 91 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 88 mSDsluCounter, 388 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 228 mSDsCounter, 85 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 229 IncrementalHoareTripleChecker+Invalid, 314 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 85 mSolverCounterUnsat, 160 mSDtfsCounter, 229 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU6 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital633 mio100 ax100 hnf100 lsp199 ukn48 mio100 lsp71 div100 bol100 ite100 ukn100 eq139 hnf94 smp78 dnf167 smp83 tf100 neg100 sie101 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 40ms VariablesStem: 11 VariablesLoop: 2 DisjunctsStem: 2 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 8 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2024-11-08 18:08:57,228 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228f927c-aeba-4b71-a95e-0dd3cd4d9f84/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2024-11-08 18:08:57,428 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228f927c-aeba-4b71-a95e-0dd3cd4d9f84/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2024-11-08 18:08:57,632 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228f927c-aeba-4b71-a95e-0dd3cd4d9f84/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2024-11-08 18:08:57,829 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228f927c-aeba-4b71-a95e-0dd3cd4d9f84/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2024-11-08 18:08:58,029 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228f927c-aeba-4b71-a95e-0dd3cd4d9f84/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-08 18:08:58,232 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228f927c-aeba-4b71-a95e-0dd3cd4d9f84/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-08 18:08:58,433 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_228f927c-aeba-4b71-a95e-0dd3cd4d9f84/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE