./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/list-ext-properties/simple-ext.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b05441-77bc-461b-b986-ad05409b8ac8/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b05441-77bc-461b-b986-ad05409b8ac8/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b05441-77bc-461b-b986-ad05409b8ac8/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b05441-77bc-461b-b986-ad05409b8ac8/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/list-ext-properties/simple-ext.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b05441-77bc-461b-b986-ad05409b8ac8/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b05441-77bc-461b-b986-ad05409b8ac8/bin/uautomizer-verify-aQ6SnzHsRB --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 79d8454f49f42d774b494771accf13f0b47382db45ac5cfdb4c7afee633f8cd7 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 05:07:43,071 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 05:07:43,183 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b05441-77bc-461b-b986-ad05409b8ac8/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-28 05:07:43,192 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 05:07:43,192 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 05:07:43,232 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 05:07:43,233 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 05:07:43,234 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 05:07:43,234 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 05:07:43,235 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 05:07:43,236 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 05:07:43,237 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 05:07:43,237 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 05:07:43,237 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-28 05:07:43,237 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-28 05:07:43,237 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-28 05:07:43,238 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-28 05:07:43,238 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-28 05:07:43,238 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-28 05:07:43,238 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 05:07:43,239 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-28 05:07:43,239 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 05:07:43,239 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 05:07:43,239 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 05:07:43,239 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 05:07:43,239 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-28 05:07:43,239 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-28 05:07:43,239 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-28 05:07:43,240 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 05:07:43,240 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 05:07:43,240 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 05:07:43,240 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-28 05:07:43,240 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 05:07:43,240 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 05:07:43,240 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 05:07:43,240 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 05:07:43,240 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 05:07:43,241 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL_NO_AM [2024-11-28 05:07:43,241 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-28 05:07:43,241 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b05441-77bc-461b-b986-ad05409b8ac8/bin/uautomizer-verify-aQ6SnzHsRB 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 -> 79d8454f49f42d774b494771accf13f0b47382db45ac5cfdb4c7afee633f8cd7 [2024-11-28 05:07:43,580 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 05:07:43,595 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 05:07:43,597 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 05:07:43,599 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 05:07:43,599 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 05:07:43,602 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b05441-77bc-461b-b986-ad05409b8ac8/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/list-ext-properties/simple-ext.i [2024-11-28 05:07:46,511 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b05441-77bc-461b-b986-ad05409b8ac8/bin/uautomizer-verify-aQ6SnzHsRB/data/78b78d6d2/0fa08336c79d4580bc2e0c4819da8272/FLAG713d501d3 [2024-11-28 05:07:46,918 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 05:07:46,921 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b05441-77bc-461b-b986-ad05409b8ac8/sv-benchmarks/c/list-ext-properties/simple-ext.i [2024-11-28 05:07:46,943 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b05441-77bc-461b-b986-ad05409b8ac8/bin/uautomizer-verify-aQ6SnzHsRB/data/78b78d6d2/0fa08336c79d4580bc2e0c4819da8272/FLAG713d501d3 [2024-11-28 05:07:46,970 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b05441-77bc-461b-b986-ad05409b8ac8/bin/uautomizer-verify-aQ6SnzHsRB/data/78b78d6d2/0fa08336c79d4580bc2e0c4819da8272 [2024-11-28 05:07:46,975 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 05:07:46,977 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 05:07:46,978 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 05:07:46,978 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 05:07:46,986 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 05:07:46,987 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:07:46" (1/1) ... [2024-11-28 05:07:46,988 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f7ddb53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:07:46, skipping insertion in model container [2024-11-28 05:07:46,988 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:07:46" (1/1) ... [2024-11-28 05:07:47,027 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 05:07:47,382 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 05:07:47,394 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 05:07:47,434 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 05:07:47,461 INFO L204 MainTranslator]: Completed translation [2024-11-28 05:07:47,462 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:07:47 WrapperNode [2024-11-28 05:07:47,462 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 05:07:47,463 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 05:07:47,463 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 05:07:47,463 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 05:07:47,473 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:07:47" (1/1) ... [2024-11-28 05:07:47,485 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:07:47" (1/1) ... [2024-11-28 05:07:47,502 INFO L138 Inliner]: procedures = 124, calls = 20, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 80 [2024-11-28 05:07:47,502 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 05:07:47,503 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 05:07:47,503 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 05:07:47,503 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 05:07:47,511 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:07:47" (1/1) ... [2024-11-28 05:07:47,511 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:07:47" (1/1) ... [2024-11-28 05:07:47,514 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:07:47" (1/1) ... [2024-11-28 05:07:47,528 INFO L175 MemorySlicer]: Split 10 memory accesses to 2 slices as follows [2, 8]. 80 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 4 writes are split as follows [0, 4]. [2024-11-28 05:07:47,528 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:07:47" (1/1) ... [2024-11-28 05:07:47,529 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:07:47" (1/1) ... [2024-11-28 05:07:47,539 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:07:47" (1/1) ... [2024-11-28 05:07:47,540 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:07:47" (1/1) ... [2024-11-28 05:07:47,546 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:07:47" (1/1) ... [2024-11-28 05:07:47,550 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:07:47" (1/1) ... [2024-11-28 05:07:47,551 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:07:47" (1/1) ... [2024-11-28 05:07:47,556 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 05:07:47,557 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 05:07:47,560 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 05:07:47,560 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 05:07:47,561 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:07:47" (1/1) ... [2024-11-28 05:07:47,567 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 05:07:47,580 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b05441-77bc-461b-b986-ad05409b8ac8/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:07:47,594 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b05441-77bc-461b-b986-ad05409b8ac8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 05:07:47,598 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b05441-77bc-461b-b986-ad05409b8ac8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-28 05:07:47,626 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-28 05:07:47,626 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-28 05:07:47,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-28 05:07:47,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-28 05:07:47,627 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-28 05:07:47,627 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 05:07:47,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-28 05:07:47,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-28 05:07:47,627 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-28 05:07:47,627 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-28 05:07:47,627 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-28 05:07:47,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 05:07:47,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-28 05:07:47,627 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 05:07:47,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 05:07:47,759 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 05:07:47,761 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 05:07:47,975 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live. [2024-11-28 05:07:47,975 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 05:07:47,991 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 05:07:47,991 INFO L312 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-28 05:07:47,991 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:07:47 BoogieIcfgContainer [2024-11-28 05:07:47,991 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 05:07:47,992 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-28 05:07:47,992 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-28 05:07:48,001 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-28 05:07:48,001 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-28 05:07:48,002 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 05:07:46" (1/3) ... [2024-11-28 05:07:48,003 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@737eac64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 05:07:48, skipping insertion in model container [2024-11-28 05:07:48,004 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-28 05:07:48,004 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:07:47" (2/3) ... [2024-11-28 05:07:48,004 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@737eac64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 05:07:48, skipping insertion in model container [2024-11-28 05:07:48,004 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-28 05:07:48,005 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:07:47" (3/3) ... [2024-11-28 05:07:48,006 INFO L363 chiAutomizerObserver]: Analyzing ICFG simple-ext.i [2024-11-28 05:07:48,067 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-28 05:07:48,068 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-28 05:07:48,068 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-28 05:07:48,068 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-28 05:07:48,068 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-28 05:07:48,068 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-28 05:07:48,068 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-28 05:07:48,068 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-28 05:07:48,075 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 27 states, 26 states have (on average 1.4230769230769231) internal successors, (37), 26 states have internal predecessors, (37), 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) [2024-11-28 05:07:48,093 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 17 [2024-11-28 05:07:48,093 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 05:07:48,093 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 05:07:48,099 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-11-28 05:07:48,099 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2024-11-28 05:07:48,099 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-28 05:07:48,099 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 27 states, 26 states have (on average 1.4230769230769231) internal successors, (37), 26 states have internal predecessors, (37), 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) [2024-11-28 05:07:48,101 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 17 [2024-11-28 05:07:48,101 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 05:07:48,101 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 05:07:48,101 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-11-28 05:07:48,101 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2024-11-28 05:07:48,107 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(13, 2);" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet4#1, main_#t~short5#1, main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~mem7#1.base, main_#t~mem7#1.offset, main_#t~post8#1, main_#t~mem9#1, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~post11#1, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_~tmp~0#1.base, main_~tmp~0#1.offset, main_~a~0#1.base, main_~a~0#1.offset, main_~t~0#1.base, main_~t~0#1.offset, main_~p~0#1.base, main_~p~0#1.offset, main_~i~0#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset;" "assume main_~a~0#1.base == 0 && main_~a~0#1.offset == 0;assume { :begin_inline_myexit } true;myexit_#in~s#1 := 1;havoc myexit_~s#1;myexit_~s#1 := myexit_#in~s#1;" [2024-11-28 05:07:48,107 INFO L749 eck$LassoCheckResult]: Loop: "assume true;" [2024-11-28 05:07:48,111 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:07:48,111 INFO L85 PathProgramCache]: Analyzing trace with hash 29858, now seen corresponding path program 1 times [2024-11-28 05:07:48,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 05:07:48,118 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [11147292] [2024-11-28 05:07:48,118 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:07:48,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:07:48,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:07:48,303 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-28 05:07:48,303 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [11147292] [2024-11-28 05:07:48,304 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [11147292] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:07:48,304 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [624350258] [2024-11-28 05:07:48,304 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:07:48,304 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:07:48,304 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b05441-77bc-461b-b986-ad05409b8ac8/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:07:48,306 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b05441-77bc-461b-b986-ad05409b8ac8/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:07:48,309 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b05441-77bc-461b-b986-ad05409b8ac8/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 05:07:48,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:07:48,386 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 05:07:48,389 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:07:48,397 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:07:48,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [624350258] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 05:07:48,405 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 05:07:48,405 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2, 2, 2] total 2 [2024-11-28 05:07:48,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1939643240] [2024-11-28 05:07:48,409 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 05:07:48,412 INFO L752 eck$LassoCheckResult]: stem already infeasible [2024-11-28 05:07:48,413 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:07:48,413 INFO L85 PathProgramCache]: Analyzing trace with hash 118, now seen corresponding path program 1 times [2024-11-28 05:07:48,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 05:07:48,414 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1637552118] [2024-11-28 05:07:48,414 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:07:48,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:07:48,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 05:07:48,421 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 05:07:48,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 05:07:48,430 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 05:07:48,438 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-28 05:07:48,468 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 05:07:48,469 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:07:48,471 INFO L87 Difference]: Start difference. First operand has 27 states, 26 states have (on average 1.4230769230769231) internal successors, (37), 26 states have internal predecessors, (37), 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, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 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) [2024-11-28 05:07:48,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:07:48,493 INFO L93 Difference]: Finished difference Result 25 states and 29 transitions. [2024-11-28 05:07:48,495 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 25 states and 29 transitions. [2024-11-28 05:07:48,496 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 13 [2024-11-28 05:07:48,502 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 25 states to 19 states and 23 transitions. [2024-11-28 05:07:48,503 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 19 [2024-11-28 05:07:48,503 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 19 [2024-11-28 05:07:48,504 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 23 transitions. [2024-11-28 05:07:48,504 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-28 05:07:48,505 INFO L218 hiAutomatonCegarLoop]: Abstraction has 19 states and 23 transitions. [2024-11-28 05:07:48,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states and 23 transitions. [2024-11-28 05:07:48,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2024-11-28 05:07:48,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 19 states have (on average 1.2105263157894737) internal successors, (23), 18 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:07:48,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 23 transitions. [2024-11-28 05:07:48,560 INFO L240 hiAutomatonCegarLoop]: Abstraction has 19 states and 23 transitions. [2024-11-28 05:07:48,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:07:48,567 INFO L425 stractBuchiCegarLoop]: Abstraction has 19 states and 23 transitions. [2024-11-28 05:07:48,567 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-28 05:07:48,567 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 23 transitions. [2024-11-28 05:07:48,568 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 13 [2024-11-28 05:07:48,568 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 05:07:48,568 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 05:07:48,568 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2024-11-28 05:07:48,568 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2024-11-28 05:07:48,569 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(13, 2);" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet4#1, main_#t~short5#1, main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~mem7#1.base, main_#t~mem7#1.offset, main_#t~post8#1, main_#t~mem9#1, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~post11#1, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_~tmp~0#1.base, main_~tmp~0#1.offset, main_~a~0#1.base, main_~a~0#1.offset, main_~t~0#1.base, main_~t~0#1.offset, main_~p~0#1.base, main_~p~0#1.offset, main_~i~0#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset;" "assume !(main_~a~0#1.base == 0 && main_~a~0#1.offset == 0);" "havoc main_~t~0#1.base, main_~t~0#1.offset;main_~p~0#1.base, main_~p~0#1.offset := main_~a~0#1.base, main_~a~0#1.offset;main_~i~0#1 := 0;" [2024-11-28 05:07:48,569 INFO L749 eck$LassoCheckResult]: Loop: "main_#t~short5#1 := main_~i~0#1 < 30;" "assume main_#t~short5#1;havoc main_#t~nondet4#1;main_#t~short5#1 := 0 != main_#t~nondet4#1;" "assume main_#t~short5#1;havoc main_#t~nondet4#1;havoc main_#t~short5#1;" "call write~int#1(main_~i~0#1, main_~p~0#1.base, main_~p~0#1.offset, 4);call main_#t~malloc6#1.base, main_#t~malloc6#1.offset := #Ultimate.allocOnHeap(8);main_~t~0#1.base, main_~t~0#1.offset := main_#t~malloc6#1.base, main_#t~malloc6#1.offset;havoc main_#t~malloc6#1.base, main_#t~malloc6#1.offset;" "assume !(main_~t~0#1.base == 0 && main_~t~0#1.offset == 0);" "call write~$Pointer$#1(main_~t~0#1.base, main_~t~0#1.offset, main_~p~0#1.base, 4 + main_~p~0#1.offset, 4);call main_#t~mem7#1.base, main_#t~mem7#1.offset := read~$Pointer$#1(main_~p~0#1.base, 4 + main_~p~0#1.offset, 4);main_~p~0#1.base, main_~p~0#1.offset := main_#t~mem7#1.base, main_#t~mem7#1.offset;havoc main_#t~mem7#1.base, main_#t~mem7#1.offset;main_#t~post8#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post8#1;havoc main_#t~post8#1;" [2024-11-28 05:07:48,569 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:07:48,569 INFO L85 PathProgramCache]: Analyzing trace with hash 925701, now seen corresponding path program 1 times [2024-11-28 05:07:48,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 05:07:48,570 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1208513423] [2024-11-28 05:07:48,570 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:07:48,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:07:48,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 05:07:48,590 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 05:07:48,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 05:07:48,615 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 05:07:48,616 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:07:48,617 INFO L85 PathProgramCache]: Analyzing trace with hash 1304723850, now seen corresponding path program 1 times [2024-11-28 05:07:48,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 05:07:48,617 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1362638868] [2024-11-28 05:07:48,617 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:07:48,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:07:48,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 05:07:48,652 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 05:07:48,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 05:07:48,670 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 05:07:48,670 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:07:48,671 INFO L85 PathProgramCache]: Analyzing trace with hash 643010190, now seen corresponding path program 1 times [2024-11-28 05:07:48,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 05:07:48,671 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2055022735] [2024-11-28 05:07:48,671 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:07:48,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:07:48,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 05:07:48,700 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 05:07:48,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 05:07:48,746 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 05:07:49,691 INFO L204 LassoAnalysis]: Preferences: [2024-11-28 05:07:49,692 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-28 05:07:49,692 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-28 05:07:49,692 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-28 05:07:49,693 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-28 05:07:49,693 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 05:07:49,693 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-28 05:07:49,693 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-28 05:07:49,693 INFO L132 ssoRankerPreferences]: Filename of dumped script: simple-ext.i_Iteration2_Lasso [2024-11-28 05:07:49,693 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-28 05:07:49,693 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-28 05:07:49,710 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 05:07:49,717 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 05:07:49,720 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 05:07:49,723 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 05:07:49,727 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 05:07:49,730 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 05:07:49,735 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 05:07:49,738 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 05:07:49,741 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 05:07:50,163 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 05:07:50,167 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 05:07:50,171 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 05:07:50,174 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 05:07:50,178 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 05:07:50,181 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 05:07:50,197 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 05:07:50,200 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 05:07:50,203 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 05:07:50,206 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 05:07:50,209 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 05:07:50,211 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 05:07:50,214 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 05:07:50,217 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 05:07:50,220 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 05:07:50,223 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 05:07:50,226 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 05:07:50,689 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-28 05:07:50,694 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-28 05:07:50,696 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 05:07:50,696 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b05441-77bc-461b-b986-ad05409b8ac8/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:07:50,698 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b05441-77bc-461b-b986-ad05409b8ac8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 05:07:50,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b05441-77bc-461b-b986-ad05409b8ac8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-11-28 05:07:50,703 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 [2024-11-28 05:07:50,719 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 05:07:50,719 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 05:07:50,720 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 05:07:50,720 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 05:07:50,721 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 05:07:50,728 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 05:07:50,728 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 05:07:50,732 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 05:07:50,741 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b05441-77bc-461b-b986-ad05409b8ac8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2024-11-28 05:07:50,742 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 05:07:50,742 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b05441-77bc-461b-b986-ad05409b8ac8/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:07:50,744 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b05441-77bc-461b-b986-ad05409b8ac8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 05:07:50,747 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b05441-77bc-461b-b986-ad05409b8ac8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-11-28 05:07:50,748 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 [2024-11-28 05:07:50,762 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 05:07:50,763 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 05:07:50,763 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 05:07:50,763 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 05:07:50,763 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 05:07:50,764 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 05:07:50,764 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 05:07:50,768 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 05:07:50,776 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b05441-77bc-461b-b986-ad05409b8ac8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2024-11-28 05:07:50,777 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 05:07:50,777 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b05441-77bc-461b-b986-ad05409b8ac8/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:07:50,779 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b05441-77bc-461b-b986-ad05409b8ac8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 05:07:50,782 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b05441-77bc-461b-b986-ad05409b8ac8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-11-28 05:07:50,783 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 05:07:50,799 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 05:07:50,799 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 05:07:50,799 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 05:07:50,799 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 05:07:50,800 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 05:07:50,800 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 05:07:50,803 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 05:07:50,805 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 05:07:50,813 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b05441-77bc-461b-b986-ad05409b8ac8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2024-11-28 05:07:50,814 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 05:07:50,814 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b05441-77bc-461b-b986-ad05409b8ac8/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:07:50,816 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b05441-77bc-461b-b986-ad05409b8ac8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 05:07:50,818 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b05441-77bc-461b-b986-ad05409b8ac8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2024-11-28 05:07:50,820 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 [2024-11-28 05:07:50,834 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 05:07:50,834 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 05:07:50,834 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 05:07:50,834 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 05:07:50,835 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 05:07:50,835 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 05:07:50,835 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 05:07:50,840 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 05:07:50,849 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b05441-77bc-461b-b986-ad05409b8ac8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2024-11-28 05:07:50,849 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 05:07:50,849 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b05441-77bc-461b-b986-ad05409b8ac8/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:07:50,852 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b05441-77bc-461b-b986-ad05409b8ac8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 05:07:50,854 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b05441-77bc-461b-b986-ad05409b8ac8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2024-11-28 05:07:50,855 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 05:07:50,873 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 05:07:50,873 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 05:07:50,873 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 05:07:50,873 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 05:07:50,873 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 05:07:50,874 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 05:07:50,874 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 05:07:50,879 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 05:07:50,887 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b05441-77bc-461b-b986-ad05409b8ac8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2024-11-28 05:07:50,888 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 05:07:50,888 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b05441-77bc-461b-b986-ad05409b8ac8/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:07:50,890 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b05441-77bc-461b-b986-ad05409b8ac8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 05:07:50,893 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b05441-77bc-461b-b986-ad05409b8ac8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2024-11-28 05:07:50,894 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 05:07:50,909 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 05:07:50,909 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 05:07:50,910 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 05:07:50,910 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 05:07:50,913 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 05:07:50,914 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 05:07:50,918 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 05:07:50,927 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b05441-77bc-461b-b986-ad05409b8ac8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2024-11-28 05:07:50,927 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 05:07:50,927 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b05441-77bc-461b-b986-ad05409b8ac8/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:07:50,929 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b05441-77bc-461b-b986-ad05409b8ac8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 05:07:50,932 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b05441-77bc-461b-b986-ad05409b8ac8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2024-11-28 05:07:50,936 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 [2024-11-28 05:07:50,951 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 05:07:50,951 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 05:07:50,951 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 05:07:50,951 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 05:07:50,951 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 05:07:50,952 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 05:07:50,952 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 05:07:50,954 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 05:07:50,962 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b05441-77bc-461b-b986-ad05409b8ac8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2024-11-28 05:07:50,963 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 05:07:50,963 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b05441-77bc-461b-b986-ad05409b8ac8/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:07:50,965 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b05441-77bc-461b-b986-ad05409b8ac8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 05:07:50,967 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b05441-77bc-461b-b986-ad05409b8ac8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2024-11-28 05:07:50,969 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 [2024-11-28 05:07:50,983 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 05:07:50,983 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 05:07:50,983 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 05:07:50,983 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 05:07:50,983 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 05:07:50,984 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 05:07:50,985 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 05:07:50,988 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 05:07:50,996 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b05441-77bc-461b-b986-ad05409b8ac8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2024-11-28 05:07:50,997 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 05:07:50,997 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b05441-77bc-461b-b986-ad05409b8ac8/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:07:50,999 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b05441-77bc-461b-b986-ad05409b8ac8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 05:07:51,003 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b05441-77bc-461b-b986-ad05409b8ac8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2024-11-28 05:07:51,003 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 [2024-11-28 05:07:51,017 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 05:07:51,017 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 05:07:51,018 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 05:07:51,018 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 05:07:51,018 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 05:07:51,018 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 05:07:51,019 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 05:07:51,021 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 05:07:51,029 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b05441-77bc-461b-b986-ad05409b8ac8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2024-11-28 05:07:51,029 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 05:07:51,030 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b05441-77bc-461b-b986-ad05409b8ac8/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:07:51,032 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b05441-77bc-461b-b986-ad05409b8ac8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 05:07:51,034 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b05441-77bc-461b-b986-ad05409b8ac8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2024-11-28 05:07:51,035 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 05:07:51,050 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 05:07:51,050 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 05:07:51,050 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 05:07:51,050 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 05:07:51,050 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 05:07:51,052 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 05:07:51,052 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 05:07:51,055 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 05:07:51,064 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b05441-77bc-461b-b986-ad05409b8ac8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2024-11-28 05:07:51,064 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 05:07:51,064 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b05441-77bc-461b-b986-ad05409b8ac8/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:07:51,066 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b05441-77bc-461b-b986-ad05409b8ac8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 05:07:51,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b05441-77bc-461b-b986-ad05409b8ac8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2024-11-28 05:07:51,070 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 [2024-11-28 05:07:51,085 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 05:07:51,085 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 05:07:51,085 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 05:07:51,085 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 05:07:51,085 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 05:07:51,086 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 05:07:51,086 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 05:07:51,090 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 05:07:51,098 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b05441-77bc-461b-b986-ad05409b8ac8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2024-11-28 05:07:51,099 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 05:07:51,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b05441-77bc-461b-b986-ad05409b8ac8/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:07:51,102 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b05441-77bc-461b-b986-ad05409b8ac8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 05:07:51,104 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b05441-77bc-461b-b986-ad05409b8ac8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2024-11-28 05:07:51,104 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 [2024-11-28 05:07:51,119 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 05:07:51,119 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 05:07:51,119 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 05:07:51,119 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 05:07:51,122 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 05:07:51,122 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 05:07:51,127 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 05:07:51,136 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b05441-77bc-461b-b986-ad05409b8ac8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2024-11-28 05:07:51,136 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 05:07:51,137 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b05441-77bc-461b-b986-ad05409b8ac8/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:07:51,139 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b05441-77bc-461b-b986-ad05409b8ac8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 05:07:51,142 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b05441-77bc-461b-b986-ad05409b8ac8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2024-11-28 05:07:51,144 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 [2024-11-28 05:07:51,158 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 05:07:51,158 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 05:07:51,158 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 05:07:51,158 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 05:07:51,158 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 05:07:51,159 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 05:07:51,159 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 05:07:51,164 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 05:07:51,172 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b05441-77bc-461b-b986-ad05409b8ac8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2024-11-28 05:07:51,172 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 05:07:51,172 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b05441-77bc-461b-b986-ad05409b8ac8/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:07:51,173 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b05441-77bc-461b-b986-ad05409b8ac8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 05:07:51,175 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b05441-77bc-461b-b986-ad05409b8ac8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2024-11-28 05:07:51,176 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 [2024-11-28 05:07:51,189 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 05:07:51,189 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 05:07:51,189 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 05:07:51,189 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 05:07:51,192 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 05:07:51,192 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 05:07:51,196 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 05:07:51,205 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b05441-77bc-461b-b986-ad05409b8ac8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2024-11-28 05:07:51,205 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 05:07:51,205 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b05441-77bc-461b-b986-ad05409b8ac8/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:07:51,207 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b05441-77bc-461b-b986-ad05409b8ac8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 05:07:51,212 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b05441-77bc-461b-b986-ad05409b8ac8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2024-11-28 05:07:51,212 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 [2024-11-28 05:07:51,226 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 05:07:51,227 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 05:07:51,227 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 05:07:51,227 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 05:07:51,230 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 05:07:51,230 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 05:07:51,235 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 05:07:51,243 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b05441-77bc-461b-b986-ad05409b8ac8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2024-11-28 05:07:51,244 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 05:07:51,244 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b05441-77bc-461b-b986-ad05409b8ac8/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:07:51,246 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b05441-77bc-461b-b986-ad05409b8ac8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 05:07:51,250 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 [2024-11-28 05:07:51,252 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b05441-77bc-461b-b986-ad05409b8ac8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2024-11-28 05:07:51,265 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 05:07:51,265 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 05:07:51,265 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 05:07:51,265 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 05:07:51,266 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 05:07:51,270 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 05:07:51,270 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 05:07:51,273 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 05:07:51,282 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b05441-77bc-461b-b986-ad05409b8ac8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2024-11-28 05:07:51,282 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 05:07:51,282 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b05441-77bc-461b-b986-ad05409b8ac8/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:07:51,284 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b05441-77bc-461b-b986-ad05409b8ac8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 05:07:51,289 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 [2024-11-28 05:07:51,292 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b05441-77bc-461b-b986-ad05409b8ac8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2024-11-28 05:07:51,303 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 05:07:51,303 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 05:07:51,303 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 05:07:51,303 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 05:07:51,308 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 05:07:51,308 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 05:07:51,314 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 05:07:51,323 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b05441-77bc-461b-b986-ad05409b8ac8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2024-11-28 05:07:51,323 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 05:07:51,323 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b05441-77bc-461b-b986-ad05409b8ac8/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:07:51,325 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b05441-77bc-461b-b986-ad05409b8ac8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 05:07:51,329 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b05441-77bc-461b-b986-ad05409b8ac8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2024-11-28 05:07:51,330 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 [2024-11-28 05:07:51,343 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 05:07:51,343 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 05:07:51,343 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 05:07:51,343 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 05:07:51,345 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 05:07:51,345 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 05:07:51,351 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 05:07:51,360 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b05441-77bc-461b-b986-ad05409b8ac8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2024-11-28 05:07:51,361 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 05:07:51,361 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b05441-77bc-461b-b986-ad05409b8ac8/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:07:51,363 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b05441-77bc-461b-b986-ad05409b8ac8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 05:07:51,367 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b05441-77bc-461b-b986-ad05409b8ac8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2024-11-28 05:07:51,368 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 [2024-11-28 05:07:51,382 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 05:07:51,382 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 05:07:51,382 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 05:07:51,382 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 05:07:51,385 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 05:07:51,385 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 05:07:51,391 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-28 05:07:51,401 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2024-11-28 05:07:51,404 INFO L444 ModelExtractionUtils]: 2 out of 7 variables were initially zero. Simplification set additionally 2 variables to zero. [2024-11-28 05:07:51,405 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 05:07:51,405 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b05441-77bc-461b-b986-ad05409b8ac8/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:07:51,409 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b05441-77bc-461b-b986-ad05409b8ac8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 05:07:51,411 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b05441-77bc-461b-b986-ad05409b8ac8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2024-11-28 05:07:51,411 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-28 05:07:51,424 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-11-28 05:07:51,425 INFO L474 LassoAnalysis]: Proved termination. [2024-11-28 05:07:51,425 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1) = -2*ULTIMATE.start_main_~i~0#1 + 59 Supporting invariants [] [2024-11-28 05:07:51,431 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b05441-77bc-461b-b986-ad05409b8ac8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Ended with exit code 0 [2024-11-28 05:07:51,462 INFO L156 tatePredicateManager]: 5 out of 5 supporting invariants were superfluous and have been removed [2024-11-28 05:07:51,490 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:07:51,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:07:51,519 INFO L256 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 05:07:51,519 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:07:51,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:07:51,555 INFO L256 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 05:07:51,556 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:07:51,654 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:07:51,657 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2024-11-28 05:07:51,658 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 19 states and 23 transitions. cyclomatic complexity: 8 Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 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) [2024-11-28 05:07:51,745 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 19 states and 23 transitions. cyclomatic complexity: 8. Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 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 31 states and 39 transitions. Complement of second has 9 states. [2024-11-28 05:07:51,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2024-11-28 05:07:51,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 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) [2024-11-28 05:07:51,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 16 transitions. [2024-11-28 05:07:51,752 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 16 transitions. Stem has 4 letters. Loop has 6 letters. [2024-11-28 05:07:51,753 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 05:07:51,753 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 16 transitions. Stem has 10 letters. Loop has 6 letters. [2024-11-28 05:07:51,753 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 05:07:51,753 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 16 transitions. Stem has 4 letters. Loop has 12 letters. [2024-11-28 05:07:51,753 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 05:07:51,754 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 31 states and 39 transitions. [2024-11-28 05:07:51,755 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 7 [2024-11-28 05:07:51,755 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 31 states to 27 states and 34 transitions. [2024-11-28 05:07:51,756 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 19 [2024-11-28 05:07:51,756 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2024-11-28 05:07:51,756 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 34 transitions. [2024-11-28 05:07:51,756 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-28 05:07:51,756 INFO L218 hiAutomatonCegarLoop]: Abstraction has 27 states and 34 transitions. [2024-11-28 05:07:51,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states and 34 transitions. [2024-11-28 05:07:51,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 24. [2024-11-28 05:07:51,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 24 states have (on average 1.25) internal successors, (30), 23 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:07:51,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 30 transitions. [2024-11-28 05:07:51,760 INFO L240 hiAutomatonCegarLoop]: Abstraction has 24 states and 30 transitions. [2024-11-28 05:07:51,760 INFO L425 stractBuchiCegarLoop]: Abstraction has 24 states and 30 transitions. [2024-11-28 05:07:51,760 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-28 05:07:51,760 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 24 states and 30 transitions. [2024-11-28 05:07:51,761 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 7 [2024-11-28 05:07:51,761 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 05:07:51,761 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 05:07:51,761 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:07:51,761 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-28 05:07:51,761 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(13, 2);" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet4#1, main_#t~short5#1, main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~mem7#1.base, main_#t~mem7#1.offset, main_#t~post8#1, main_#t~mem9#1, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~post11#1, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_~tmp~0#1.base, main_~tmp~0#1.offset, main_~a~0#1.base, main_~a~0#1.offset, main_~t~0#1.base, main_~t~0#1.offset, main_~p~0#1.base, main_~p~0#1.offset, main_~i~0#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset;" "assume !(main_~a~0#1.base == 0 && main_~a~0#1.offset == 0);" "havoc main_~t~0#1.base, main_~t~0#1.offset;main_~p~0#1.base, main_~p~0#1.offset := main_~a~0#1.base, main_~a~0#1.offset;main_~i~0#1 := 0;" "main_#t~short5#1 := main_~i~0#1 < 30;" "assume !main_#t~short5#1;" "assume !main_#t~short5#1;havoc main_#t~nondet4#1;havoc main_#t~short5#1;" "call write~int#1(main_~i~0#1, main_~p~0#1.base, main_~p~0#1.offset, 4);call write~$Pointer$#1(0, 0, main_~p~0#1.base, 4 + main_~p~0#1.offset, 4);main_~p~0#1.base, main_~p~0#1.offset := main_~a~0#1.base, main_~a~0#1.offset;main_~i~0#1 := 0;" [2024-11-28 05:07:51,762 INFO L749 eck$LassoCheckResult]: Loop: "assume main_~p~0#1.base != 0 || main_~p~0#1.offset != 0;" "call main_#t~mem9#1 := read~int#1(main_~p~0#1.base, main_~p~0#1.offset, 4);" "assume !(1 != main_#t~mem9#1);havoc main_#t~mem9#1;" "call main_#t~mem10#1.base, main_#t~mem10#1.offset := read~$Pointer$#1(main_~p~0#1.base, 4 + main_~p~0#1.offset, 4);main_~p~0#1.base, main_~p~0#1.offset := main_#t~mem10#1.base, main_#t~mem10#1.offset;havoc main_#t~mem10#1.base, main_#t~mem10#1.offset;main_#t~post11#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post11#1;havoc main_#t~post11#1;" [2024-11-28 05:07:51,762 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:07:51,762 INFO L85 PathProgramCache]: Analyzing trace with hash 206257464, now seen corresponding path program 1 times [2024-11-28 05:07:51,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 05:07:51,763 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1377079605] [2024-11-28 05:07:51,763 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:07:51,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:07:51,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:07:51,870 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-28 05:07:51,870 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1377079605] [2024-11-28 05:07:51,871 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1377079605] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:07:51,871 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1310625381] [2024-11-28 05:07:51,871 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:07:51,871 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:07:51,871 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b05441-77bc-461b-b986-ad05409b8ac8/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:07:51,873 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b05441-77bc-461b-b986-ad05409b8ac8/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:07:51,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b05441-77bc-461b-b986-ad05409b8ac8/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-11-28 05:07:51,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:07:51,951 INFO L256 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 05:07:51,952 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:07:51,965 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:07:51,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1310625381] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 05:07:51,979 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 05:07:51,980 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 6 [2024-11-28 05:07:51,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1227622099] [2024-11-28 05:07:51,980 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 05:07:51,980 INFO L752 eck$LassoCheckResult]: stem already infeasible [2024-11-28 05:07:51,980 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:07:51,981 INFO L85 PathProgramCache]: Analyzing trace with hash 2313223, now seen corresponding path program 1 times [2024-11-28 05:07:51,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 05:07:51,981 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1449685469] [2024-11-28 05:07:51,981 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:07:51,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:07:51,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 05:07:51,997 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 05:07:52,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 05:07:52,007 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 05:07:52,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-28 05:07:52,140 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 05:07:52,140 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-28 05:07:52,140 INFO L87 Difference]: Start difference. First operand 24 states and 30 transitions. cyclomatic complexity: 10 Second operand has 6 states, 6 states have (on average 2.0) internal successors, (12), 6 states have internal predecessors, (12), 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) [2024-11-28 05:07:52,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:07:52,227 INFO L93 Difference]: Finished difference Result 61 states and 72 transitions. [2024-11-28 05:07:52,227 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 61 states and 72 transitions. [2024-11-28 05:07:52,229 INFO L131 ngComponentsAnalysis]: Automaton has 7 accepting balls. 13 [2024-11-28 05:07:52,233 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 61 states to 61 states and 72 transitions. [2024-11-28 05:07:52,233 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 44 [2024-11-28 05:07:52,233 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 44 [2024-11-28 05:07:52,233 INFO L73 IsDeterministic]: Start isDeterministic. Operand 61 states and 72 transitions. [2024-11-28 05:07:52,233 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-28 05:07:52,233 INFO L218 hiAutomatonCegarLoop]: Abstraction has 61 states and 72 transitions. [2024-11-28 05:07:52,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states and 72 transitions. [2024-11-28 05:07:52,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 32. [2024-11-28 05:07:52,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 32 states have (on average 1.21875) internal successors, (39), 31 states have internal predecessors, (39), 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) [2024-11-28 05:07:52,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 39 transitions. [2024-11-28 05:07:52,238 INFO L240 hiAutomatonCegarLoop]: Abstraction has 32 states and 39 transitions. [2024-11-28 05:07:52,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 05:07:52,241 INFO L425 stractBuchiCegarLoop]: Abstraction has 32 states and 39 transitions. [2024-11-28 05:07:52,241 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-11-28 05:07:52,241 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 32 states and 39 transitions. [2024-11-28 05:07:52,242 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 7 [2024-11-28 05:07:52,243 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 05:07:52,243 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 05:07:52,243 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:07:52,243 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-28 05:07:52,244 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(13, 2);" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet4#1, main_#t~short5#1, main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~mem7#1.base, main_#t~mem7#1.offset, main_#t~post8#1, main_#t~mem9#1, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~post11#1, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_~tmp~0#1.base, main_~tmp~0#1.offset, main_~a~0#1.base, main_~a~0#1.offset, main_~t~0#1.base, main_~t~0#1.offset, main_~p~0#1.base, main_~p~0#1.offset, main_~i~0#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset;" "assume !(main_~a~0#1.base == 0 && main_~a~0#1.offset == 0);" "havoc main_~t~0#1.base, main_~t~0#1.offset;main_~p~0#1.base, main_~p~0#1.offset := main_~a~0#1.base, main_~a~0#1.offset;main_~i~0#1 := 0;" "main_#t~short5#1 := main_~i~0#1 < 30;" "assume main_#t~short5#1;havoc main_#t~nondet4#1;main_#t~short5#1 := 0 != main_#t~nondet4#1;" "assume !main_#t~short5#1;havoc main_#t~nondet4#1;havoc main_#t~short5#1;" "call write~int#1(main_~i~0#1, main_~p~0#1.base, main_~p~0#1.offset, 4);call write~$Pointer$#1(0, 0, main_~p~0#1.base, 4 + main_~p~0#1.offset, 4);main_~p~0#1.base, main_~p~0#1.offset := main_~a~0#1.base, main_~a~0#1.offset;main_~i~0#1 := 0;" [2024-11-28 05:07:52,244 INFO L749 eck$LassoCheckResult]: Loop: "assume main_~p~0#1.base != 0 || main_~p~0#1.offset != 0;" "call main_#t~mem9#1 := read~int#1(main_~p~0#1.base, main_~p~0#1.offset, 4);" "assume !(1 != main_#t~mem9#1);havoc main_#t~mem9#1;" "call main_#t~mem10#1.base, main_#t~mem10#1.offset := read~$Pointer$#1(main_~p~0#1.base, 4 + main_~p~0#1.offset, 4);main_~p~0#1.base, main_~p~0#1.offset := main_#t~mem10#1.base, main_#t~mem10#1.offset;havoc main_#t~mem10#1.base, main_#t~mem10#1.offset;main_#t~post11#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post11#1;havoc main_#t~post11#1;" [2024-11-28 05:07:52,245 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:07:52,245 INFO L85 PathProgramCache]: Analyzing trace with hash 206255542, now seen corresponding path program 1 times [2024-11-28 05:07:52,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 05:07:52,245 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [649912906] [2024-11-28 05:07:52,246 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:07:52,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:07:52,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 05:07:52,277 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 05:07:52,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 05:07:52,301 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 05:07:52,301 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:07:52,302 INFO L85 PathProgramCache]: Analyzing trace with hash 2313223, now seen corresponding path program 2 times [2024-11-28 05:07:52,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 05:07:52,302 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [893157437] [2024-11-28 05:07:52,302 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:07:52,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:07:52,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 05:07:52,309 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 05:07:52,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 05:07:52,315 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 05:07:52,315 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:07:52,315 INFO L85 PathProgramCache]: Analyzing trace with hash -473784516, now seen corresponding path program 1 times [2024-11-28 05:07:52,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 05:07:52,316 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1296002818] [2024-11-28 05:07:52,316 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:07:52,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:07:52,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:07:52,576 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-28 05:07:52,576 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1296002818] [2024-11-28 05:07:52,577 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1296002818] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:07:52,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [104922153] [2024-11-28 05:07:52,577 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:07:52,578 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:07:52,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b05441-77bc-461b-b986-ad05409b8ac8/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:07:52,583 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b05441-77bc-461b-b986-ad05409b8ac8/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:07:52,586 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b05441-77bc-461b-b986-ad05409b8ac8/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-11-28 05:07:52,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:07:52,662 INFO L256 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-28 05:07:52,664 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:07:52,796 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 1 [2024-11-28 05:07:52,822 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-11-28 05:07:52,837 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:07:52,924 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 74 [2024-11-28 05:07:52,977 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b05441-77bc-461b-b986-ad05409b8ac8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2024-11-28 05:07:53,215 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [104922153] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 05:07:53,215 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 05:07:53,215 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6, 6] total 11 [2024-11-28 05:07:53,215 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1663380110] [2024-11-28 05:07:53,215 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 05:07:53,317 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-28 05:07:53,317 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-28 05:07:53,317 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2024-11-28 05:07:53,318 INFO L87 Difference]: Start difference. First operand 32 states and 39 transitions. cyclomatic complexity: 11 Second operand has 11 states, 11 states have (on average 2.6363636363636362) internal successors, (29), 11 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:07:53,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:07:53,487 INFO L93 Difference]: Finished difference Result 45 states and 54 transitions. [2024-11-28 05:07:53,487 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 45 states and 54 transitions. [2024-11-28 05:07:53,488 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2024-11-28 05:07:53,488 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 45 states to 43 states and 52 transitions. [2024-11-28 05:07:53,489 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 30 [2024-11-28 05:07:53,489 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 30 [2024-11-28 05:07:53,489 INFO L73 IsDeterministic]: Start isDeterministic. Operand 43 states and 52 transitions. [2024-11-28 05:07:53,489 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-28 05:07:53,489 INFO L218 hiAutomatonCegarLoop]: Abstraction has 43 states and 52 transitions. [2024-11-28 05:07:53,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states and 52 transitions. [2024-11-28 05:07:53,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 36. [2024-11-28 05:07:53,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 36 states have (on average 1.2222222222222223) internal successors, (44), 35 states have internal predecessors, (44), 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) [2024-11-28 05:07:53,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 44 transitions. [2024-11-28 05:07:53,496 INFO L240 hiAutomatonCegarLoop]: Abstraction has 36 states and 44 transitions. [2024-11-28 05:07:53,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 05:07:53,497 INFO L425 stractBuchiCegarLoop]: Abstraction has 36 states and 44 transitions. [2024-11-28 05:07:53,497 INFO L332 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2024-11-28 05:07:53,497 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 36 states and 44 transitions. [2024-11-28 05:07:53,497 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 7 [2024-11-28 05:07:53,497 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 05:07:53,497 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 05:07:53,498 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:07:53,498 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2024-11-28 05:07:53,498 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(13, 2);" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet4#1, main_#t~short5#1, main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~mem7#1.base, main_#t~mem7#1.offset, main_#t~post8#1, main_#t~mem9#1, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~post11#1, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_~tmp~0#1.base, main_~tmp~0#1.offset, main_~a~0#1.base, main_~a~0#1.offset, main_~t~0#1.base, main_~t~0#1.offset, main_~p~0#1.base, main_~p~0#1.offset, main_~i~0#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset;" "assume !(main_~a~0#1.base == 0 && main_~a~0#1.offset == 0);" "havoc main_~t~0#1.base, main_~t~0#1.offset;main_~p~0#1.base, main_~p~0#1.offset := main_~a~0#1.base, main_~a~0#1.offset;main_~i~0#1 := 0;" "main_#t~short5#1 := main_~i~0#1 < 30;" "assume main_#t~short5#1;havoc main_#t~nondet4#1;main_#t~short5#1 := 0 != main_#t~nondet4#1;" "assume main_#t~short5#1;havoc main_#t~nondet4#1;havoc main_#t~short5#1;" "call write~int#1(main_~i~0#1, main_~p~0#1.base, main_~p~0#1.offset, 4);call main_#t~malloc6#1.base, main_#t~malloc6#1.offset := #Ultimate.allocOnHeap(8);main_~t~0#1.base, main_~t~0#1.offset := main_#t~malloc6#1.base, main_#t~malloc6#1.offset;havoc main_#t~malloc6#1.base, main_#t~malloc6#1.offset;" "assume main_~t~0#1.base == 0 && main_~t~0#1.offset == 0;assume { :begin_inline_myexit } true;myexit_#in~s#1 := 1;havoc myexit_~s#1;myexit_~s#1 := myexit_#in~s#1;" [2024-11-28 05:07:53,498 INFO L749 eck$LassoCheckResult]: Loop: "assume true;" [2024-11-28 05:07:53,498 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:07:53,498 INFO L85 PathProgramCache]: Analyzing trace with hash 2098952242, now seen corresponding path program 1 times [2024-11-28 05:07:53,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 05:07:53,498 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1119388020] [2024-11-28 05:07:53,498 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:07:53,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:07:53,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:07:53,539 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-28 05:07:53,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1119388020] [2024-11-28 05:07:53,539 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1119388020] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:07:53,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [469000364] [2024-11-28 05:07:53,539 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:07:53,540 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:07:53,540 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b05441-77bc-461b-b986-ad05409b8ac8/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:07:53,542 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b05441-77bc-461b-b986-ad05409b8ac8/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:07:53,545 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b05441-77bc-461b-b986-ad05409b8ac8/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-11-28 05:07:53,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:07:53,608 INFO L256 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 05:07:53,609 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:07:53,614 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:07:53,617 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [469000364] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 05:07:53,617 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 05:07:53,617 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2, 2, 2] total 2 [2024-11-28 05:07:53,617 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [147873611] [2024-11-28 05:07:53,617 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 05:07:53,617 INFO L752 eck$LassoCheckResult]: stem already infeasible [2024-11-28 05:07:53,617 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:07:53,618 INFO L85 PathProgramCache]: Analyzing trace with hash 119, now seen corresponding path program 1 times [2024-11-28 05:07:53,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 05:07:53,618 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2120456401] [2024-11-28 05:07:53,618 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:07:53,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:07:53,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 05:07:53,622 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 05:07:53,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 05:07:53,623 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 05:07:53,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-28 05:07:53,627 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 05:07:53,627 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:07:53,627 INFO L87 Difference]: Start difference. First operand 36 states and 44 transitions. cyclomatic complexity: 12 Second operand has 3 states, 2 states have (on average 4.5) 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) [2024-11-28 05:07:53,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:07:53,637 INFO L93 Difference]: Finished difference Result 35 states and 42 transitions. [2024-11-28 05:07:53,637 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 35 states and 42 transitions. [2024-11-28 05:07:53,638 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2024-11-28 05:07:53,639 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 35 states to 33 states and 39 transitions. [2024-11-28 05:07:53,639 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 20 [2024-11-28 05:07:53,639 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2024-11-28 05:07:53,639 INFO L73 IsDeterministic]: Start isDeterministic. Operand 33 states and 39 transitions. [2024-11-28 05:07:53,639 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-28 05:07:53,640 INFO L218 hiAutomatonCegarLoop]: Abstraction has 33 states and 39 transitions. [2024-11-28 05:07:53,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states and 39 transitions. [2024-11-28 05:07:53,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2024-11-28 05:07:53,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 33 states have (on average 1.1818181818181819) internal successors, (39), 32 states have internal predecessors, (39), 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) [2024-11-28 05:07:53,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 39 transitions. [2024-11-28 05:07:53,644 INFO L240 hiAutomatonCegarLoop]: Abstraction has 33 states and 39 transitions. [2024-11-28 05:07:53,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:07:53,645 INFO L425 stractBuchiCegarLoop]: Abstraction has 33 states and 39 transitions. [2024-11-28 05:07:53,645 INFO L332 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2024-11-28 05:07:53,645 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 33 states and 39 transitions. [2024-11-28 05:07:53,645 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2024-11-28 05:07:53,645 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 05:07:53,645 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 05:07:53,646 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:07:53,646 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-28 05:07:53,646 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(13, 2);" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet4#1, main_#t~short5#1, main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~mem7#1.base, main_#t~mem7#1.offset, main_#t~post8#1, main_#t~mem9#1, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~post11#1, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_~tmp~0#1.base, main_~tmp~0#1.offset, main_~a~0#1.base, main_~a~0#1.offset, main_~t~0#1.base, main_~t~0#1.offset, main_~p~0#1.base, main_~p~0#1.offset, main_~i~0#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset;" "assume !(main_~a~0#1.base == 0 && main_~a~0#1.offset == 0);" "havoc main_~t~0#1.base, main_~t~0#1.offset;main_~p~0#1.base, main_~p~0#1.offset := main_~a~0#1.base, main_~a~0#1.offset;main_~i~0#1 := 0;" "main_#t~short5#1 := main_~i~0#1 < 30;" "assume main_#t~short5#1;havoc main_#t~nondet4#1;main_#t~short5#1 := 0 != main_#t~nondet4#1;" "assume !main_#t~short5#1;havoc main_#t~nondet4#1;havoc main_#t~short5#1;" "call write~int#1(main_~i~0#1, main_~p~0#1.base, main_~p~0#1.offset, 4);call write~$Pointer$#1(0, 0, main_~p~0#1.base, 4 + main_~p~0#1.offset, 4);main_~p~0#1.base, main_~p~0#1.offset := main_~a~0#1.base, main_~a~0#1.offset;main_~i~0#1 := 0;" "assume !(main_~p~0#1.base != 0 || main_~p~0#1.offset != 0);" "main_~p~0#1.base, main_~p~0#1.offset := main_~a~0#1.base, main_~a~0#1.offset;" [2024-11-28 05:07:53,646 INFO L749 eck$LassoCheckResult]: Loop: "assume main_~p~0#1.base != 0 || main_~p~0#1.offset != 0;" "call main_#t~mem12#1.base, main_#t~mem12#1.offset := read~$Pointer$#1(main_~p~0#1.base, 4 + main_~p~0#1.offset, 4);main_~tmp~0#1.base, main_~tmp~0#1.offset := main_#t~mem12#1.base, main_#t~mem12#1.offset;havoc main_#t~mem12#1.base, main_#t~mem12#1.offset;call ULTIMATE.dealloc(main_~p~0#1.base, main_~p~0#1.offset);main_~p~0#1.base, main_~p~0#1.offset := main_~tmp~0#1.base, main_~tmp~0#1.offset;havoc main_~tmp~0#1.base, main_~tmp~0#1.offset;" [2024-11-28 05:07:53,646 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:07:53,646 INFO L85 PathProgramCache]: Analyzing trace with hash 643081772, now seen corresponding path program 1 times [2024-11-28 05:07:53,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 05:07:53,646 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [659946877] [2024-11-28 05:07:53,646 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:07:53,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:07:53,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:07:53,702 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-28 05:07:53,702 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [659946877] [2024-11-28 05:07:53,702 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [659946877] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:07:53,703 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [815779008] [2024-11-28 05:07:53,703 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:07:53,703 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:07:53,703 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b05441-77bc-461b-b986-ad05409b8ac8/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:07:53,705 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b05441-77bc-461b-b986-ad05409b8ac8/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:07:53,709 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b05441-77bc-461b-b986-ad05409b8ac8/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-11-28 05:07:53,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:07:53,779 INFO L256 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 05:07:53,779 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:07:53,793 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:07:53,810 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [815779008] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 05:07:53,810 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 05:07:53,810 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 4 [2024-11-28 05:07:53,811 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1034537366] [2024-11-28 05:07:53,811 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 05:07:53,811 INFO L752 eck$LassoCheckResult]: stem already infeasible [2024-11-28 05:07:53,811 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:07:53,811 INFO L85 PathProgramCache]: Analyzing trace with hash 3365, now seen corresponding path program 1 times [2024-11-28 05:07:53,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 05:07:53,812 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1939798831] [2024-11-28 05:07:53,812 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:07:53,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:07:53,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 05:07:53,816 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 05:07:53,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 05:07:53,821 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 05:07:53,889 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-28 05:07:53,889 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 05:07:53,890 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 05:07:53,890 INFO L87 Difference]: Start difference. First operand 33 states and 39 transitions. cyclomatic complexity: 9 Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 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) [2024-11-28 05:07:53,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:07:53,935 INFO L93 Difference]: Finished difference Result 39 states and 44 transitions. [2024-11-28 05:07:53,935 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 39 states and 44 transitions. [2024-11-28 05:07:53,936 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2024-11-28 05:07:53,937 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 39 states to 35 states and 40 transitions. [2024-11-28 05:07:53,937 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 22 [2024-11-28 05:07:53,937 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 22 [2024-11-28 05:07:53,937 INFO L73 IsDeterministic]: Start isDeterministic. Operand 35 states and 40 transitions. [2024-11-28 05:07:53,937 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-28 05:07:53,937 INFO L218 hiAutomatonCegarLoop]: Abstraction has 35 states and 40 transitions. [2024-11-28 05:07:53,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states and 40 transitions. [2024-11-28 05:07:53,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 30. [2024-11-28 05:07:53,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 30 states have (on average 1.1666666666666667) internal successors, (35), 29 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) [2024-11-28 05:07:53,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 35 transitions. [2024-11-28 05:07:53,940 INFO L240 hiAutomatonCegarLoop]: Abstraction has 30 states and 35 transitions. [2024-11-28 05:07:53,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 05:07:53,941 INFO L425 stractBuchiCegarLoop]: Abstraction has 30 states and 35 transitions. [2024-11-28 05:07:53,941 INFO L332 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2024-11-28 05:07:53,941 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 30 states and 35 transitions. [2024-11-28 05:07:53,942 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2024-11-28 05:07:53,942 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 05:07:53,942 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 05:07:53,942 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:07:53,942 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-28 05:07:53,942 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(13, 2);" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet4#1, main_#t~short5#1, main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~mem7#1.base, main_#t~mem7#1.offset, main_#t~post8#1, main_#t~mem9#1, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~post11#1, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_~tmp~0#1.base, main_~tmp~0#1.offset, main_~a~0#1.base, main_~a~0#1.offset, main_~t~0#1.base, main_~t~0#1.offset, main_~p~0#1.base, main_~p~0#1.offset, main_~i~0#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset;" "assume !(main_~a~0#1.base == 0 && main_~a~0#1.offset == 0);" "havoc main_~t~0#1.base, main_~t~0#1.offset;main_~p~0#1.base, main_~p~0#1.offset := main_~a~0#1.base, main_~a~0#1.offset;main_~i~0#1 := 0;" "main_#t~short5#1 := main_~i~0#1 < 30;" "assume main_#t~short5#1;havoc main_#t~nondet4#1;main_#t~short5#1 := 0 != main_#t~nondet4#1;" "assume main_#t~short5#1;havoc main_#t~nondet4#1;havoc main_#t~short5#1;" "call write~int#1(main_~i~0#1, main_~p~0#1.base, main_~p~0#1.offset, 4);call main_#t~malloc6#1.base, main_#t~malloc6#1.offset := #Ultimate.allocOnHeap(8);main_~t~0#1.base, main_~t~0#1.offset := main_#t~malloc6#1.base, main_#t~malloc6#1.offset;havoc main_#t~malloc6#1.base, main_#t~malloc6#1.offset;" "assume !(main_~t~0#1.base == 0 && main_~t~0#1.offset == 0);" "call write~$Pointer$#1(main_~t~0#1.base, main_~t~0#1.offset, main_~p~0#1.base, 4 + main_~p~0#1.offset, 4);call main_#t~mem7#1.base, main_#t~mem7#1.offset := read~$Pointer$#1(main_~p~0#1.base, 4 + main_~p~0#1.offset, 4);main_~p~0#1.base, main_~p~0#1.offset := main_#t~mem7#1.base, main_#t~mem7#1.offset;havoc main_#t~mem7#1.base, main_#t~mem7#1.offset;main_#t~post8#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post8#1;havoc main_#t~post8#1;" "main_#t~short5#1 := main_~i~0#1 < 30;" "assume main_#t~short5#1;havoc main_#t~nondet4#1;main_#t~short5#1 := 0 != main_#t~nondet4#1;" "assume !main_#t~short5#1;havoc main_#t~nondet4#1;havoc main_#t~short5#1;" "call write~int#1(main_~i~0#1, main_~p~0#1.base, main_~p~0#1.offset, 4);call write~$Pointer$#1(0, 0, main_~p~0#1.base, 4 + main_~p~0#1.offset, 4);main_~p~0#1.base, main_~p~0#1.offset := main_~a~0#1.base, main_~a~0#1.offset;main_~i~0#1 := 0;" "assume main_~p~0#1.base != 0 || main_~p~0#1.offset != 0;" [2024-11-28 05:07:53,942 INFO L749 eck$LassoCheckResult]: Loop: "call main_#t~mem9#1 := read~int#1(main_~p~0#1.base, main_~p~0#1.offset, 4);" "assume !(1 != main_#t~mem9#1);havoc main_#t~mem9#1;" "call main_#t~mem10#1.base, main_#t~mem10#1.offset := read~$Pointer$#1(main_~p~0#1.base, 4 + main_~p~0#1.offset, 4);main_~p~0#1.base, main_~p~0#1.offset := main_#t~mem10#1.base, main_#t~mem10#1.offset;havoc main_#t~mem10#1.base, main_#t~mem10#1.offset;main_#t~post11#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post11#1;havoc main_#t~post11#1;" "assume main_~p~0#1.base != 0 || main_~p~0#1.offset != 0;" [2024-11-28 05:07:53,943 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:07:53,943 INFO L85 PathProgramCache]: Analyzing trace with hash 416464974, now seen corresponding path program 1 times [2024-11-28 05:07:53,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 05:07:53,943 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1163479640] [2024-11-28 05:07:53,943 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:07:53,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:07:53,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 05:07:53,965 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 05:07:53,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 05:07:53,984 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 05:07:53,985 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:07:53,985 INFO L85 PathProgramCache]: Analyzing trace with hash 2445883, now seen corresponding path program 3 times [2024-11-28 05:07:53,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 05:07:53,985 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [848043113] [2024-11-28 05:07:53,985 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:07:53,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:07:53,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 05:07:53,990 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 05:07:53,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 05:07:53,995 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 05:07:53,996 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:07:53,996 INFO L85 PathProgramCache]: Analyzing trace with hash -170580984, now seen corresponding path program 1 times [2024-11-28 05:07:53,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 05:07:53,996 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [360944018] [2024-11-28 05:07:53,996 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:07:53,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:07:54,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:07:54,426 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-28 05:07:54,426 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [360944018] [2024-11-28 05:07:54,426 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [360944018] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:07:54,427 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1232960454] [2024-11-28 05:07:54,427 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:07:54,427 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:07:54,427 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b05441-77bc-461b-b986-ad05409b8ac8/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:07:54,431 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b05441-77bc-461b-b986-ad05409b8ac8/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:07:54,432 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b05441-77bc-461b-b986-ad05409b8ac8/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2024-11-28 05:07:54,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:07:54,517 INFO L256 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-28 05:07:54,519 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:07:54,615 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-11-28 05:07:54,615 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2024-11-28 05:07:54,623 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-28 05:07:54,682 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-28 05:07:54,746 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-28 05:07:54,789 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:07:54,979 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_252 (Array Int Int)) (v_ArrVal_251 (Array Int Int)) (|v_ULTIMATE.start_main_~p~0#1.offset_180| Int)) (or (< |v_ULTIMATE.start_main_~p~0#1.offset_180| 0) (< |c_ULTIMATE.start_main_~a~0#1.offset| |v_ULTIMATE.start_main_~p~0#1.offset_180|) (not (= v_ArrVal_251 (let ((.cse0 (+ |c_ULTIMATE.start_main_~p~0#1.offset| 4))) (store (select |c_#memory_int#1| |c_ULTIMATE.start_main_~p~0#1.base|) .cse0 (select v_ArrVal_251 .cse0))))) (not (= (select (select (store (store |c_#memory_int#1| |c_ULTIMATE.start_main_~p~0#1.base| v_ArrVal_251) |c_ULTIMATE.start_main_~t~0#1.base| v_ArrVal_252) |c_ULTIMATE.start_main_~a~0#1.base|) |v_ULTIMATE.start_main_~p~0#1.offset_180|) 1)))) is different from false [2024-11-28 05:07:55,087 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 05:07:55,088 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 141 treesize of output 143 [2024-11-28 05:07:55,116 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 58 [2024-11-28 05:07:55,135 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2024-11-28 05:07:55,136 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 12 [2024-11-28 05:07:55,196 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 54 [2024-11-28 05:07:55,386 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1232960454] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 05:07:55,386 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 05:07:55,386 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8, 8] total 18 [2024-11-28 05:07:55,386 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1845005682] [2024-11-28 05:07:55,387 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 05:07:55,492 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-28 05:07:55,493 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-28 05:07:55,493 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=220, Unknown=2, NotChecked=30, Total=306 [2024-11-28 05:07:55,493 INFO L87 Difference]: Start difference. First operand 30 states and 35 transitions. cyclomatic complexity: 8 Second operand has 18 states, 18 states have (on average 2.7777777777777777) internal successors, (50), 18 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) [2024-11-28 05:07:55,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:07:55,710 INFO L93 Difference]: Finished difference Result 42 states and 46 transitions. [2024-11-28 05:07:55,710 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 42 states and 46 transitions. [2024-11-28 05:07:55,711 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2024-11-28 05:07:55,712 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 42 states to 36 states and 40 transitions. [2024-11-28 05:07:55,712 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 19 [2024-11-28 05:07:55,712 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 19 [2024-11-28 05:07:55,712 INFO L73 IsDeterministic]: Start isDeterministic. Operand 36 states and 40 transitions. [2024-11-28 05:07:55,712 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-28 05:07:55,713 INFO L218 hiAutomatonCegarLoop]: Abstraction has 36 states and 40 transitions. [2024-11-28 05:07:55,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states and 40 transitions. [2024-11-28 05:07:55,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 29. [2024-11-28 05:07:55,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 29 states have (on average 1.1379310344827587) internal successors, (33), 28 states have internal predecessors, (33), 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) [2024-11-28 05:07:55,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 33 transitions. [2024-11-28 05:07:55,716 INFO L240 hiAutomatonCegarLoop]: Abstraction has 29 states and 33 transitions. [2024-11-28 05:07:55,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 05:07:55,718 INFO L425 stractBuchiCegarLoop]: Abstraction has 29 states and 33 transitions. [2024-11-28 05:07:55,719 INFO L332 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2024-11-28 05:07:55,719 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 29 states and 33 transitions. [2024-11-28 05:07:55,719 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2024-11-28 05:07:55,719 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 05:07:55,719 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 05:07:55,720 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:07:55,720 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-28 05:07:55,720 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(13, 2);" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet4#1, main_#t~short5#1, main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~mem7#1.base, main_#t~mem7#1.offset, main_#t~post8#1, main_#t~mem9#1, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~post11#1, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_~tmp~0#1.base, main_~tmp~0#1.offset, main_~a~0#1.base, main_~a~0#1.offset, main_~t~0#1.base, main_~t~0#1.offset, main_~p~0#1.base, main_~p~0#1.offset, main_~i~0#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset;" "assume !(main_~a~0#1.base == 0 && main_~a~0#1.offset == 0);" "havoc main_~t~0#1.base, main_~t~0#1.offset;main_~p~0#1.base, main_~p~0#1.offset := main_~a~0#1.base, main_~a~0#1.offset;main_~i~0#1 := 0;" "main_#t~short5#1 := main_~i~0#1 < 30;" "assume main_#t~short5#1;havoc main_#t~nondet4#1;main_#t~short5#1 := 0 != main_#t~nondet4#1;" "assume main_#t~short5#1;havoc main_#t~nondet4#1;havoc main_#t~short5#1;" "call write~int#1(main_~i~0#1, main_~p~0#1.base, main_~p~0#1.offset, 4);call main_#t~malloc6#1.base, main_#t~malloc6#1.offset := #Ultimate.allocOnHeap(8);main_~t~0#1.base, main_~t~0#1.offset := main_#t~malloc6#1.base, main_#t~malloc6#1.offset;havoc main_#t~malloc6#1.base, main_#t~malloc6#1.offset;" "assume !(main_~t~0#1.base == 0 && main_~t~0#1.offset == 0);" "call write~$Pointer$#1(main_~t~0#1.base, main_~t~0#1.offset, main_~p~0#1.base, 4 + main_~p~0#1.offset, 4);call main_#t~mem7#1.base, main_#t~mem7#1.offset := read~$Pointer$#1(main_~p~0#1.base, 4 + main_~p~0#1.offset, 4);main_~p~0#1.base, main_~p~0#1.offset := main_#t~mem7#1.base, main_#t~mem7#1.offset;havoc main_#t~mem7#1.base, main_#t~mem7#1.offset;main_#t~post8#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post8#1;havoc main_#t~post8#1;" "main_#t~short5#1 := main_~i~0#1 < 30;" "assume main_#t~short5#1;havoc main_#t~nondet4#1;main_#t~short5#1 := 0 != main_#t~nondet4#1;" "assume main_#t~short5#1;havoc main_#t~nondet4#1;havoc main_#t~short5#1;" "call write~int#1(main_~i~0#1, main_~p~0#1.base, main_~p~0#1.offset, 4);call main_#t~malloc6#1.base, main_#t~malloc6#1.offset := #Ultimate.allocOnHeap(8);main_~t~0#1.base, main_~t~0#1.offset := main_#t~malloc6#1.base, main_#t~malloc6#1.offset;havoc main_#t~malloc6#1.base, main_#t~malloc6#1.offset;" "assume !(main_~t~0#1.base == 0 && main_~t~0#1.offset == 0);" "call write~$Pointer$#1(main_~t~0#1.base, main_~t~0#1.offset, main_~p~0#1.base, 4 + main_~p~0#1.offset, 4);call main_#t~mem7#1.base, main_#t~mem7#1.offset := read~$Pointer$#1(main_~p~0#1.base, 4 + main_~p~0#1.offset, 4);main_~p~0#1.base, main_~p~0#1.offset := main_#t~mem7#1.base, main_#t~mem7#1.offset;havoc main_#t~mem7#1.base, main_#t~mem7#1.offset;main_#t~post8#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post8#1;havoc main_#t~post8#1;" "main_#t~short5#1 := main_~i~0#1 < 30;" "assume !main_#t~short5#1;" "assume !main_#t~short5#1;havoc main_#t~nondet4#1;havoc main_#t~short5#1;" "call write~int#1(main_~i~0#1, main_~p~0#1.base, main_~p~0#1.offset, 4);call write~$Pointer$#1(0, 0, main_~p~0#1.base, 4 + main_~p~0#1.offset, 4);main_~p~0#1.base, main_~p~0#1.offset := main_~a~0#1.base, main_~a~0#1.offset;main_~i~0#1 := 0;" "assume main_~p~0#1.base != 0 || main_~p~0#1.offset != 0;" [2024-11-28 05:07:55,720 INFO L749 eck$LassoCheckResult]: Loop: "call main_#t~mem9#1 := read~int#1(main_~p~0#1.base, main_~p~0#1.offset, 4);" "assume !(1 != main_#t~mem9#1);havoc main_#t~mem9#1;" "call main_#t~mem10#1.base, main_#t~mem10#1.offset := read~$Pointer$#1(main_~p~0#1.base, 4 + main_~p~0#1.offset, 4);main_~p~0#1.base, main_~p~0#1.offset := main_#t~mem10#1.base, main_#t~mem10#1.offset;havoc main_#t~mem10#1.base, main_#t~mem10#1.offset;main_#t~post11#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post11#1;havoc main_#t~post11#1;" "assume main_~p~0#1.base != 0 || main_~p~0#1.offset != 0;" [2024-11-28 05:07:55,720 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:07:55,721 INFO L85 PathProgramCache]: Analyzing trace with hash 948894435, now seen corresponding path program 1 times [2024-11-28 05:07:55,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 05:07:55,721 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2035006000] [2024-11-28 05:07:55,721 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:07:55,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:07:55,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:07:55,851 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-28 05:07:55,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2035006000] [2024-11-28 05:07:55,852 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2035006000] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:07:55,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1735219031] [2024-11-28 05:07:55,852 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:07:55,852 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:07:55,852 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b05441-77bc-461b-b986-ad05409b8ac8/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:07:55,856 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b05441-77bc-461b-b986-ad05409b8ac8/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:07:55,858 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b05441-77bc-461b-b986-ad05409b8ac8/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2024-11-28 05:07:55,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:07:55,963 INFO L256 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 05:07:55,964 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:07:55,992 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:07:56,051 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1735219031] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 05:07:56,051 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 05:07:56,051 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 10 [2024-11-28 05:07:56,051 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1521110145] [2024-11-28 05:07:56,051 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 05:07:56,052 INFO L752 eck$LassoCheckResult]: stem already infeasible [2024-11-28 05:07:56,052 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:07:56,052 INFO L85 PathProgramCache]: Analyzing trace with hash 2445883, now seen corresponding path program 4 times [2024-11-28 05:07:56,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 05:07:56,052 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1466990444] [2024-11-28 05:07:56,053 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:07:56,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:07:56,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 05:07:56,061 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 05:07:56,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 05:07:56,067 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 05:07:56,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-28 05:07:56,170 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-28 05:07:56,170 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2024-11-28 05:07:56,170 INFO L87 Difference]: Start difference. First operand 29 states and 33 transitions. cyclomatic complexity: 7 Second operand has 10 states, 10 states have (on average 4.2) internal successors, (42), 10 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:07:56,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:07:56,334 INFO L93 Difference]: Finished difference Result 107 states and 120 transitions. [2024-11-28 05:07:56,335 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 107 states and 120 transitions. [2024-11-28 05:07:56,336 INFO L131 ngComponentsAnalysis]: Automaton has 7 accepting balls. 16 [2024-11-28 05:07:56,338 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 107 states to 107 states and 120 transitions. [2024-11-28 05:07:56,338 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 66 [2024-11-28 05:07:56,338 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 66 [2024-11-28 05:07:56,338 INFO L73 IsDeterministic]: Start isDeterministic. Operand 107 states and 120 transitions. [2024-11-28 05:07:56,339 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-28 05:07:56,339 INFO L218 hiAutomatonCegarLoop]: Abstraction has 107 states and 120 transitions. [2024-11-28 05:07:56,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states and 120 transitions. [2024-11-28 05:07:56,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 54. [2024-11-28 05:07:56,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 54 states have (on average 1.1481481481481481) internal successors, (62), 53 states have internal predecessors, (62), 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) [2024-11-28 05:07:56,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 62 transitions. [2024-11-28 05:07:56,348 INFO L240 hiAutomatonCegarLoop]: Abstraction has 54 states and 62 transitions. [2024-11-28 05:07:56,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-28 05:07:56,349 INFO L425 stractBuchiCegarLoop]: Abstraction has 54 states and 62 transitions. [2024-11-28 05:07:56,351 INFO L332 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2024-11-28 05:07:56,351 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 54 states and 62 transitions. [2024-11-28 05:07:56,352 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2024-11-28 05:07:56,352 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 05:07:56,352 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 05:07:56,352 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:07:56,352 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-28 05:07:56,352 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(13, 2);" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet4#1, main_#t~short5#1, main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~mem7#1.base, main_#t~mem7#1.offset, main_#t~post8#1, main_#t~mem9#1, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~post11#1, main_#t~mem12#1.base, main_#t~mem12#1.offset, main_~tmp~0#1.base, main_~tmp~0#1.offset, main_~a~0#1.base, main_~a~0#1.offset, main_~t~0#1.base, main_~t~0#1.offset, main_~p~0#1.base, main_~p~0#1.offset, main_~i~0#1;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;havoc main_#t~malloc3#1.base, main_#t~malloc3#1.offset;" "assume !(main_~a~0#1.base == 0 && main_~a~0#1.offset == 0);" "havoc main_~t~0#1.base, main_~t~0#1.offset;main_~p~0#1.base, main_~p~0#1.offset := main_~a~0#1.base, main_~a~0#1.offset;main_~i~0#1 := 0;" "main_#t~short5#1 := main_~i~0#1 < 30;" "assume main_#t~short5#1;havoc main_#t~nondet4#1;main_#t~short5#1 := 0 != main_#t~nondet4#1;" "assume main_#t~short5#1;havoc main_#t~nondet4#1;havoc main_#t~short5#1;" "call write~int#1(main_~i~0#1, main_~p~0#1.base, main_~p~0#1.offset, 4);call main_#t~malloc6#1.base, main_#t~malloc6#1.offset := #Ultimate.allocOnHeap(8);main_~t~0#1.base, main_~t~0#1.offset := main_#t~malloc6#1.base, main_#t~malloc6#1.offset;havoc main_#t~malloc6#1.base, main_#t~malloc6#1.offset;" "assume !(main_~t~0#1.base == 0 && main_~t~0#1.offset == 0);" "call write~$Pointer$#1(main_~t~0#1.base, main_~t~0#1.offset, main_~p~0#1.base, 4 + main_~p~0#1.offset, 4);call main_#t~mem7#1.base, main_#t~mem7#1.offset := read~$Pointer$#1(main_~p~0#1.base, 4 + main_~p~0#1.offset, 4);main_~p~0#1.base, main_~p~0#1.offset := main_#t~mem7#1.base, main_#t~mem7#1.offset;havoc main_#t~mem7#1.base, main_#t~mem7#1.offset;main_#t~post8#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post8#1;havoc main_#t~post8#1;" "main_#t~short5#1 := main_~i~0#1 < 30;" "assume main_#t~short5#1;havoc main_#t~nondet4#1;main_#t~short5#1 := 0 != main_#t~nondet4#1;" "assume main_#t~short5#1;havoc main_#t~nondet4#1;havoc main_#t~short5#1;" "call write~int#1(main_~i~0#1, main_~p~0#1.base, main_~p~0#1.offset, 4);call main_#t~malloc6#1.base, main_#t~malloc6#1.offset := #Ultimate.allocOnHeap(8);main_~t~0#1.base, main_~t~0#1.offset := main_#t~malloc6#1.base, main_#t~malloc6#1.offset;havoc main_#t~malloc6#1.base, main_#t~malloc6#1.offset;" "assume !(main_~t~0#1.base == 0 && main_~t~0#1.offset == 0);" "call write~$Pointer$#1(main_~t~0#1.base, main_~t~0#1.offset, main_~p~0#1.base, 4 + main_~p~0#1.offset, 4);call main_#t~mem7#1.base, main_#t~mem7#1.offset := read~$Pointer$#1(main_~p~0#1.base, 4 + main_~p~0#1.offset, 4);main_~p~0#1.base, main_~p~0#1.offset := main_#t~mem7#1.base, main_#t~mem7#1.offset;havoc main_#t~mem7#1.base, main_#t~mem7#1.offset;main_#t~post8#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post8#1;havoc main_#t~post8#1;" "main_#t~short5#1 := main_~i~0#1 < 30;" "assume main_#t~short5#1;havoc main_#t~nondet4#1;main_#t~short5#1 := 0 != main_#t~nondet4#1;" "assume !main_#t~short5#1;havoc main_#t~nondet4#1;havoc main_#t~short5#1;" "call write~int#1(main_~i~0#1, main_~p~0#1.base, main_~p~0#1.offset, 4);call write~$Pointer$#1(0, 0, main_~p~0#1.base, 4 + main_~p~0#1.offset, 4);main_~p~0#1.base, main_~p~0#1.offset := main_~a~0#1.base, main_~a~0#1.offset;main_~i~0#1 := 0;" "assume main_~p~0#1.base != 0 || main_~p~0#1.offset != 0;" [2024-11-28 05:07:56,352 INFO L749 eck$LassoCheckResult]: Loop: "call main_#t~mem9#1 := read~int#1(main_~p~0#1.base, main_~p~0#1.offset, 4);" "assume !(1 != main_#t~mem9#1);havoc main_#t~mem9#1;" "call main_#t~mem10#1.base, main_#t~mem10#1.offset := read~$Pointer$#1(main_~p~0#1.base, 4 + main_~p~0#1.offset, 4);main_~p~0#1.base, main_~p~0#1.offset := main_#t~mem10#1.base, main_#t~mem10#1.offset;havoc main_#t~mem10#1.base, main_#t~mem10#1.offset;main_#t~post11#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post11#1;havoc main_#t~post11#1;" "assume main_~p~0#1.base != 0 || main_~p~0#1.offset != 0;" [2024-11-28 05:07:56,353 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:07:56,353 INFO L85 PathProgramCache]: Analyzing trace with hash 948834853, now seen corresponding path program 2 times [2024-11-28 05:07:56,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 05:07:56,353 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1980787831] [2024-11-28 05:07:56,353 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:07:56,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:07:56,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 05:07:56,376 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 05:07:56,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 05:07:56,393 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 05:07:56,393 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:07:56,393 INFO L85 PathProgramCache]: Analyzing trace with hash 2445883, now seen corresponding path program 5 times [2024-11-28 05:07:56,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 05:07:56,393 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [925926181] [2024-11-28 05:07:56,394 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:07:56,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:07:56,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 05:07:56,398 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 05:07:56,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 05:07:56,405 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 05:07:56,406 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:07:56,406 INFO L85 PathProgramCache]: Analyzing trace with hash 1096135263, now seen corresponding path program 2 times [2024-11-28 05:07:56,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 05:07:56,406 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [678391154] [2024-11-28 05:07:56,406 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:07:56,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:07:56,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:07:56,971 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-28 05:07:56,971 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [678391154] [2024-11-28 05:07:56,971 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [678391154] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:07:56,971 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1031115832] [2024-11-28 05:07:56,971 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:07:56,971 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:07:56,972 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b05441-77bc-461b-b986-ad05409b8ac8/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:07:56,974 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b05441-77bc-461b-b986-ad05409b8ac8/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:07:56,975 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b05441-77bc-461b-b986-ad05409b8ac8/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2024-11-28 05:07:57,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:07:57,089 INFO L256 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-11-28 05:07:57,092 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:07:57,184 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-11-28 05:07:57,185 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2024-11-28 05:07:57,193 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-28 05:07:57,266 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-28 05:07:57,336 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-28 05:07:57,403 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-28 05:07:57,483 INFO L349 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2024-11-28 05:07:57,484 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 22 [2024-11-28 05:07:57,555 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 05:07:57,555 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 23 [2024-11-28 05:07:57,585 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:07:57,864 WARN L851 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_~p~0#1.base_239| Int) (|v_ULTIMATE.start_main_~p~0#1.offset_195| Int) (v_ArrVal_465 (Array Int Int)) (v_ArrVal_468 Int)) (or (< |c_ULTIMATE.start_main_~a~0#1.offset| |v_ULTIMATE.start_main_~p~0#1.offset_195|) (not (= 1 (select (select (let ((.cse0 (store |c_#memory_int#1| |c_ULTIMATE.start_main_~p~0#1.base| v_ArrVal_465))) (store .cse0 |v_ULTIMATE.start_main_~p~0#1.base_239| (store (store (select .cse0 |v_ULTIMATE.start_main_~p~0#1.base_239|) 0 (+ |c_ULTIMATE.start_main_~i~0#1| 1)) 4 v_ArrVal_468))) |c_ULTIMATE.start_main_~a~0#1.base|) |v_ULTIMATE.start_main_~p~0#1.offset_195|))) (< |v_ULTIMATE.start_main_~p~0#1.offset_195| 0))) is different from false [2024-11-28 05:07:57,949 WARN L851 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_~p~0#1.base_239| Int) (|v_ULTIMATE.start_main_~p~0#1.offset_195| Int) (v_ArrVal_461 (Array Int Int)) (v_ArrVal_465 (Array Int Int)) (v_ArrVal_468 Int)) (or (not (= (select (select (let ((.cse0 (store (store |c_#memory_int#1| |c_ULTIMATE.start_main_~p~0#1.base| v_ArrVal_461) |c_ULTIMATE.start_main_~t~0#1.base| v_ArrVal_465))) (store .cse0 |v_ULTIMATE.start_main_~p~0#1.base_239| (store (store (select .cse0 |v_ULTIMATE.start_main_~p~0#1.base_239|) 0 (+ 2 |c_ULTIMATE.start_main_~i~0#1|)) 4 v_ArrVal_468))) |c_ULTIMATE.start_main_~a~0#1.base|) |v_ULTIMATE.start_main_~p~0#1.offset_195|) 1)) (< |c_ULTIMATE.start_main_~a~0#1.offset| |v_ULTIMATE.start_main_~p~0#1.offset_195|) (not (= v_ArrVal_461 (let ((.cse1 (+ |c_ULTIMATE.start_main_~p~0#1.offset| 4))) (store (select |c_#memory_int#1| |c_ULTIMATE.start_main_~p~0#1.base|) .cse1 (select v_ArrVal_461 .cse1))))) (< |v_ULTIMATE.start_main_~p~0#1.offset_195| 0))) is different from false [2024-11-28 05:07:58,030 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 05:07:58,031 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 5257 treesize of output 5151 [2024-11-28 05:07:58,166 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 982 treesize of output 950 [2024-11-28 05:07:58,241 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2024-11-28 05:07:58,241 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 12 [2024-11-28 05:07:58,740 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 118 treesize of output 114 [2024-11-28 05:07:58,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 05:07:58,981 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1031115832] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 05:07:58,981 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 05:07:58,981 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 10, 10] total 24 [2024-11-28 05:07:58,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1215366434] [2024-11-28 05:07:58,982 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 05:07:59,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-28 05:07:59,076 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-28 05:07:59,076 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=383, Unknown=9, NotChecked=82, Total=552 [2024-11-28 05:07:59,076 INFO L87 Difference]: Start difference. First operand 54 states and 62 transitions. cyclomatic complexity: 11 Second operand has 24 states, 24 states have (on average 2.8333333333333335) internal successors, (68), 24 states have internal predecessors, (68), 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) [2024-11-28 05:07:59,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:07:59,840 INFO L93 Difference]: Finished difference Result 58 states and 63 transitions. [2024-11-28 05:07:59,840 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 58 states and 63 transitions. [2024-11-28 05:07:59,841 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-28 05:07:59,841 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 58 states to 0 states and 0 transitions. [2024-11-28 05:07:59,841 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-28 05:07:59,841 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-28 05:07:59,841 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-28 05:07:59,841 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-28 05:07:59,841 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-28 05:07:59,841 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-28 05:07:59,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-28 05:07:59,842 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-28 05:07:59,843 INFO L332 stractBuchiCegarLoop]: ======== Iteration 10 ============ [2024-11-28 05:07:59,843 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-11-28 05:07:59,843 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-28 05:07:59,843 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-11-28 05:07:59,851 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 05:07:59 BoogieIcfgContainer [2024-11-28 05:07:59,852 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-28 05:07:59,852 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 05:07:59,853 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 05:07:59,853 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 05:07:59,853 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:07:47" (3/4) ... [2024-11-28 05:07:59,856 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-28 05:07:59,857 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 05:07:59,858 INFO L158 Benchmark]: Toolchain (without parser) took 12881.11ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 93.1MB in the beginning and 209.9MB in the end (delta: -116.9MB). Peak memory consumption was 113.8MB. Max. memory is 16.1GB. [2024-11-28 05:07:59,859 INFO L158 Benchmark]: CDTParser took 2.19ms. Allocated memory is still 167.8MB. Free memory is still 103.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 05:07:59,859 INFO L158 Benchmark]: CACSL2BoogieTranslator took 484.19ms. Allocated memory is still 117.4MB. Free memory was 93.1MB in the beginning and 75.9MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 05:07:59,860 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.29ms. Allocated memory is still 117.4MB. Free memory was 75.9MB in the beginning and 74.4MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 05:07:59,863 INFO L158 Benchmark]: Boogie Preprocessor took 53.62ms. Allocated memory is still 117.4MB. Free memory was 74.4MB in the beginning and 72.5MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 05:07:59,863 INFO L158 Benchmark]: RCFGBuilder took 434.50ms. Allocated memory is still 117.4MB. Free memory was 72.5MB in the beginning and 59.0MB in the end (delta: 13.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 05:07:59,863 INFO L158 Benchmark]: BuchiAutomizer took 11859.66ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 58.7MB in the beginning and 210.0MB in the end (delta: -151.3MB). Peak memory consumption was 80.2MB. Max. memory is 16.1GB. [2024-11-28 05:07:59,863 INFO L158 Benchmark]: Witness Printer took 4.66ms. Allocated memory is still 352.3MB. Free memory was 210.0MB in the beginning and 209.9MB in the end (delta: 72.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 05:07:59,865 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.19ms. Allocated memory is still 167.8MB. Free memory is still 103.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 484.19ms. Allocated memory is still 117.4MB. Free memory was 93.1MB in the beginning and 75.9MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.29ms. Allocated memory is still 117.4MB. Free memory was 75.9MB in the beginning and 74.4MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 53.62ms. Allocated memory is still 117.4MB. Free memory was 74.4MB in the beginning and 72.5MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 434.50ms. Allocated memory is still 117.4MB. Free memory was 72.5MB in the beginning and 59.0MB in the end (delta: 13.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 11859.66ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 58.7MB in the beginning and 210.0MB in the end (delta: -151.3MB). Peak memory consumption was 80.2MB. Max. memory is 16.1GB. * Witness Printer took 4.66ms. Allocated memory is still 352.3MB. Free memory was 210.0MB in the beginning and 209.9MB in the end (delta: 72.0kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 9 terminating modules (8 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function (((long long) -2 * i) + 59) and consists of 5 locations. 8 modules have a trivial ranking function, the largest among these consists of 24 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 11.7s and 10 iterations. TraceHistogramMax:3. Analysis of lassos took 9.7s. Construction of modules took 0.6s. Büchi inclusion checks took 1.2s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 7. Automata minimization 0.0s AutomataMinimizationTime, 8 MinimizatonAttempts, 104 StatesRemovedByMinimization, 6 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 417 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 416 mSDsluCounter, 526 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 120 IncrementalHoareTripleChecker+Unchecked, 395 mSDsCounter, 79 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 521 IncrementalHoareTripleChecker+Invalid, 720 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 79 mSolverCounterUnsat, 131 mSDtfsCounter, 521 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc3 concLT0 SILN2 SILU3 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital247 mio100 ax107 hnf100 lsp86 ukn42 mio100 lsp26 div100 bol100 ite100 ukn100 eq146 hnf97 smp100 dnf151 smp85 tf100 neg100 sie116 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 30ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2024-11-28 05:07:59,885 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b05441-77bc-461b-b986-ad05409b8ac8/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Forceful destruction successful, exit code 0 [2024-11-28 05:08:00,088 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b05441-77bc-461b-b986-ad05409b8ac8/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Ended with exit code 0 [2024-11-28 05:08:00,285 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b05441-77bc-461b-b986-ad05409b8ac8/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Ended with exit code 0 [2024-11-28 05:08:00,486 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b05441-77bc-461b-b986-ad05409b8ac8/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2024-11-28 05:08:00,685 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b05441-77bc-461b-b986-ad05409b8ac8/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2024-11-28 05:08:00,885 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b05441-77bc-461b-b986-ad05409b8ac8/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2024-11-28 05:08:01,086 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b05441-77bc-461b-b986-ad05409b8ac8/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2024-11-28 05:08:01,286 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b05441-77bc-461b-b986-ad05409b8ac8/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-28 05:08:01,485 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b05441-77bc-461b-b986-ad05409b8ac8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE