./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/array-memsafety/cstrpbrk-alloca-2.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_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/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_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/array-memsafety/cstrpbrk-alloca-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/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_b8824945-3078-4270-938b-4cd0581a0b16/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 4f4570e8b350d1c6ecce62e4659f1c324ac9794563382f5f25c3525057748138 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-27 20:05:50,781 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-27 20:05:50,885 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-27 20:05:50,893 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-27 20:05:50,894 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-27 20:05:50,930 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-27 20:05:50,931 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-27 20:05:50,931 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-27 20:05:50,931 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-27 20:05:50,932 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-27 20:05:50,932 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-27 20:05:50,933 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-27 20:05:50,933 INFO L153 SettingsManager]: * Use SBE=true [2024-11-27 20:05:50,934 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-27 20:05:50,935 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-27 20:05:50,935 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-27 20:05:50,935 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-27 20:05:50,935 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-27 20:05:50,935 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-27 20:05:50,936 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-27 20:05:50,936 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-27 20:05:50,936 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-27 20:05:50,936 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-27 20:05:50,936 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-27 20:05:50,936 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-27 20:05:50,936 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-27 20:05:50,936 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-27 20:05:50,936 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-27 20:05:50,937 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-27 20:05:50,937 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-27 20:05:50,937 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-27 20:05:50,937 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-27 20:05:50,937 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-27 20:05:50,937 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-27 20:05:50,938 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-27 20:05:50,938 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 20:05:50,938 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-27 20:05:50,938 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL_NO_AM [2024-11-27 20:05:50,938 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-27 20:05:50,939 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_b8824945-3078-4270-938b-4cd0581a0b16/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 -> 4f4570e8b350d1c6ecce62e4659f1c324ac9794563382f5f25c3525057748138 [2024-11-27 20:05:51,279 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-27 20:05:51,290 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-27 20:05:51,293 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-27 20:05:51,294 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-27 20:05:51,295 INFO L274 PluginConnector]: CDTParser initialized [2024-11-27 20:05:51,296 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/array-memsafety/cstrpbrk-alloca-2.i [2024-11-27 20:05:54,384 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/data/32a6fb7e0/40182fc3053948c69f3447a419cf0f32/FLAG0266f152d [2024-11-27 20:05:54,763 INFO L384 CDTParser]: Found 1 translation units. [2024-11-27 20:05:54,764 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/sv-benchmarks/c/array-memsafety/cstrpbrk-alloca-2.i [2024-11-27 20:05:54,781 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/data/32a6fb7e0/40182fc3053948c69f3447a419cf0f32/FLAG0266f152d [2024-11-27 20:05:54,797 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/data/32a6fb7e0/40182fc3053948c69f3447a419cf0f32 [2024-11-27 20:05:54,800 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-27 20:05:54,804 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-27 20:05:54,805 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-27 20:05:54,805 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-27 20:05:54,810 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-27 20:05:54,811 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 08:05:54" (1/1) ... [2024-11-27 20:05:54,812 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35d858ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:05:54, skipping insertion in model container [2024-11-27 20:05:54,812 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 08:05:54" (1/1) ... [2024-11-27 20:05:54,861 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-27 20:05:55,151 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 20:05:55,165 INFO L200 MainTranslator]: Completed pre-run [2024-11-27 20:05:55,215 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 20:05:55,239 INFO L204 MainTranslator]: Completed translation [2024-11-27 20:05:55,240 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:05:55 WrapperNode [2024-11-27 20:05:55,240 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-27 20:05:55,241 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-27 20:05:55,241 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-27 20:05:55,241 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-27 20:05:55,248 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:05:55" (1/1) ... [2024-11-27 20:05:55,261 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:05:55" (1/1) ... [2024-11-27 20:05:55,279 INFO L138 Inliner]: procedures = 117, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 97 [2024-11-27 20:05:55,279 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-27 20:05:55,280 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-27 20:05:55,280 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-27 20:05:55,280 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-27 20:05:55,288 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:05:55" (1/1) ... [2024-11-27 20:05:55,289 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:05:55" (1/1) ... [2024-11-27 20:05:55,292 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:05:55" (1/1) ... [2024-11-27 20:05:55,304 INFO L175 MemorySlicer]: Split 9 memory accesses to 2 slices as follows [4, 5]. 56 percent of accesses are in the largest equivalence class. The 0 initializations are split as follows [0, 0]. The 4 writes are split as follows [2, 2]. [2024-11-27 20:05:55,305 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:05:55" (1/1) ... [2024-11-27 20:05:55,305 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:05:55" (1/1) ... [2024-11-27 20:05:55,310 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:05:55" (1/1) ... [2024-11-27 20:05:55,311 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:05:55" (1/1) ... [2024-11-27 20:05:55,315 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:05:55" (1/1) ... [2024-11-27 20:05:55,316 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:05:55" (1/1) ... [2024-11-27 20:05:55,316 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:05:55" (1/1) ... [2024-11-27 20:05:55,318 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-27 20:05:55,319 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-27 20:05:55,319 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-27 20:05:55,319 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-27 20:05:55,320 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:05:55" (1/1) ... [2024-11-27 20:05:55,326 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:05:55,339 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:05:55,359 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:05:55,365 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-27 20:05:55,394 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-27 20:05:55,394 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-27 20:05:55,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-27 20:05:55,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-27 20:05:55,395 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-27 20:05:55,395 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-27 20:05:55,396 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-27 20:05:55,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-27 20:05:55,544 INFO L234 CfgBuilder]: Building ICFG [2024-11-27 20:05:55,546 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-27 20:05:55,766 INFO L? ?]: Removed 32 outVars from TransFormulas that were not future-live. [2024-11-27 20:05:55,767 INFO L283 CfgBuilder]: Performing block encoding [2024-11-27 20:05:55,775 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-27 20:05:55,775 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-27 20:05:55,776 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:05:55 BoogieIcfgContainer [2024-11-27 20:05:55,776 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-27 20:05:55,777 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-27 20:05:55,777 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-27 20:05:55,783 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-27 20:05:55,784 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-27 20:05:55,784 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 27.11 08:05:54" (1/3) ... [2024-11-27 20:05:55,787 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@beff5a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 27.11 08:05:55, skipping insertion in model container [2024-11-27 20:05:55,787 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-27 20:05:55,787 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:05:55" (2/3) ... [2024-11-27 20:05:55,787 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@beff5a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 27.11 08:05:55, skipping insertion in model container [2024-11-27 20:05:55,787 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-27 20:05:55,787 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:05:55" (3/3) ... [2024-11-27 20:05:55,789 INFO L363 chiAutomizerObserver]: Analyzing ICFG cstrpbrk-alloca-2.i [2024-11-27 20:05:55,843 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-27 20:05:55,843 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-27 20:05:55,843 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-27 20:05:55,843 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-27 20:05:55,843 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-27 20:05:55,843 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-27 20:05:55,844 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-27 20:05:55,844 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-27 20:05:55,849 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 25 states, 24 states have (on average 1.5) internal successors, (36), 24 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:05:55,867 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 13 [2024-11-27 20:05:55,867 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-27 20:05:55,867 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-27 20:05:55,873 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2024-11-27 20:05:55,873 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-27 20:05:55,873 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-27 20:05:55,873 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 25 states, 24 states have (on average 1.5) internal successors, (36), 24 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:05:55,875 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 13 [2024-11-27 20:05:55,875 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-27 20:05:55,875 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-27 20:05:55,875 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2024-11-27 20:05:55,875 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-27 20:05:55,883 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet10#1, main_#t~nondet11#1, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~nondet14#1, main_#t~post15#1, main_~i~0#1, main_#t~nondet16#1, main_#t~post17#1, main_~i~1#1, main_#t~ret18#1.base, main_#t~ret18#1.offset, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc main_#t~nondet10#1;main_~length1~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;havoc main_#t~nondet11#1;main_~length2~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;" "assume !(main_~length1~0#1 < 1);" "assume !(main_~length2~0#1 < 1);" "call main_#t~malloc12#1.base, main_#t~malloc12#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc12#1.base, main_#t~malloc12#1.offset;call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;main_~i~0#1 := 0;" [2024-11-27 20:05:55,883 INFO L749 eck$LassoCheckResult]: Loop: "assume main_~i~0#1 < main_~length1~0#1 - 1;" "havoc main_#t~nondet14#1;call write~int#0(main_#t~nondet14#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet14#1;main_#t~post15#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post15#1;havoc main_#t~post15#1;" [2024-11-27 20:05:55,888 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:05:55,888 INFO L85 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 1 times [2024-11-27 20:05:55,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 20:05:55,896 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1073401186] [2024-11-27 20:05:55,896 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:05:55,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:05:56,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:05:56,039 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 20:05:56,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:05:56,089 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 20:05:56,092 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:05:56,092 INFO L85 PathProgramCache]: Analyzing trace with hash 1637, now seen corresponding path program 1 times [2024-11-27 20:05:56,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 20:05:56,093 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [487972361] [2024-11-27 20:05:56,093 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:05:56,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:05:56,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:05:56,113 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 20:05:56,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:05:56,125 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 20:05:56,128 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:05:56,129 INFO L85 PathProgramCache]: Analyzing trace with hash 1806935658, now seen corresponding path program 1 times [2024-11-27 20:05:56,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 20:05:56,129 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2060123843] [2024-11-27 20:05:56,129 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:05:56,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:05:56,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:05:56,190 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 20:05:56,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:05:56,224 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 20:05:56,818 INFO L204 LassoAnalysis]: Preferences: [2024-11-27 20:05:56,819 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-27 20:05:56,819 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-27 20:05:56,819 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-27 20:05:56,820 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-27 20:05:56,820 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:05:56,820 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-27 20:05:56,820 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-27 20:05:56,820 INFO L132 ssoRankerPreferences]: Filename of dumped script: cstrpbrk-alloca-2.i_Iteration1_Lasso [2024-11-27 20:05:56,820 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-27 20:05:56,821 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-27 20:05:56,844 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:05:56,889 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:05:56,894 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:05:56,899 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:05:57,236 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:05:57,240 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:05:57,246 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:05:57,250 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:05:57,254 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:05:57,258 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:05:57,262 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:05:57,267 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:05:57,271 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:05:57,275 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:05:57,280 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:05:57,285 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:05:57,289 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:05:57,784 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-27 20:05:57,788 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-27 20:05:57,790 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:05:57,790 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:05:57,794 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:05:57,796 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2024-11-27 20:05:57,797 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 [2024-11-27 20:05:57,813 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 20:05:57,814 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 20:05:57,814 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 20:05:57,814 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 20:05:57,815 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 20:05:57,820 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 20:05:57,820 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 20:05:57,825 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 20:05:57,835 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2024-11-27 20:05:57,836 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:05:57,836 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:05:57,839 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:05:57,844 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-11-27 20:05:57,845 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 [2024-11-27 20:05:57,862 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 20:05:57,862 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 20:05:57,862 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 20:05:57,863 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 20:05:57,863 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 20:05:57,863 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 20:05:57,863 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 20:05:57,869 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 20:05:57,879 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2024-11-27 20:05:57,880 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:05:57,880 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:05:57,882 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:05:57,887 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-11-27 20:05:57,887 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 [2024-11-27 20:05:57,903 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 20:05:57,904 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 20:05:57,904 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 20:05:57,904 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 20:05:57,904 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 20:05:57,905 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 20:05:57,905 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 20:05:57,909 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 20:05:57,919 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2024-11-27 20:05:57,919 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:05:57,920 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:05:57,922 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:05:57,926 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-11-27 20:05:57,927 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 [2024-11-27 20:05:57,942 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 20:05:57,942 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 20:05:57,942 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 20:05:57,942 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 20:05:57,947 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 20:05:57,947 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 20:05:57,952 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 20:05:57,961 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2024-11-27 20:05:57,962 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:05:57,962 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:05:57,964 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:05:57,970 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2024-11-27 20:05:57,971 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 [2024-11-27 20:05:57,986 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 20:05:57,986 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 20:05:57,986 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 20:05:57,986 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 20:05:57,987 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 20:05:57,987 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 20:05:57,987 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 20:05:57,989 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 20:05:57,999 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2024-11-27 20:05:58,000 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:05:58,000 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:05:58,002 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:05:58,005 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2024-11-27 20:05:58,007 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 [2024-11-27 20:05:58,023 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 20:05:58,023 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 20:05:58,023 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 20:05:58,023 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 20:05:58,037 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 20:05:58,037 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 20:05:58,055 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-27 20:05:58,115 INFO L443 ModelExtractionUtils]: Simplification made 15 calls to the SMT solver. [2024-11-27 20:05:58,119 INFO L444 ModelExtractionUtils]: 2 out of 19 variables were initially zero. Simplification set additionally 13 variables to zero. [2024-11-27 20:05:58,121 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:05:58,121 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:05:58,126 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:05:58,128 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2024-11-27 20:05:58,130 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-27 20:05:58,147 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2024-11-27 20:05:58,148 INFO L474 LassoAnalysis]: Proved termination. [2024-11-27 20:05:58,148 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_~nondetString1~0#1.base)_1, ULTIMATE.start_main_~i~0#1) = 1*v_rep(select #length ULTIMATE.start_main_~nondetString1~0#1.base)_1 - 1*ULTIMATE.start_main_~i~0#1 Supporting invariants [1*ULTIMATE.start_main_~nondetString1~0#1.offset >= 0] [2024-11-27 20:05:58,159 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2024-11-27 20:05:58,198 INFO L156 tatePredicateManager]: 6 out of 7 supporting invariants were superfluous and have been removed [2024-11-27 20:05:58,213 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-27 20:05:58,214 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-27 20:05:58,265 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:05:58,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:05:58,296 INFO L256 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-27 20:05:58,298 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:05:58,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:05:58,337 INFO L256 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-27 20:05:58,338 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:05:58,365 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:05:58,403 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2024-11-27 20:05:58,405 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 25 states, 24 states have (on average 1.5) internal successors, (36), 24 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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) [2024-11-27 20:05:58,488 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 25 states, 24 states have (on average 1.5) internal successors, (36), 24 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 45 states and 66 transitions. Complement of second has 6 states. [2024-11-27 20:05:58,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-27 20:05:58,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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) [2024-11-27 20:05:58,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 35 transitions. [2024-11-27 20:05:58,507 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 35 transitions. Stem has 5 letters. Loop has 2 letters. [2024-11-27 20:05:58,510 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 20:05:58,510 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 35 transitions. Stem has 7 letters. Loop has 2 letters. [2024-11-27 20:05:58,510 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 20:05:58,510 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 35 transitions. Stem has 5 letters. Loop has 4 letters. [2024-11-27 20:05:58,510 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 20:05:58,511 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 45 states and 66 transitions. [2024-11-27 20:05:58,515 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 11 [2024-11-27 20:05:58,522 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 45 states to 21 states and 30 transitions. [2024-11-27 20:05:58,523 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18 [2024-11-27 20:05:58,523 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 19 [2024-11-27 20:05:58,524 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 30 transitions. [2024-11-27 20:05:58,525 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-27 20:05:58,525 INFO L218 hiAutomatonCegarLoop]: Abstraction has 21 states and 30 transitions. [2024-11-27 20:05:58,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states and 30 transitions. [2024-11-27 20:05:58,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2024-11-27 20:05:58,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 21 states have (on average 1.4285714285714286) internal successors, (30), 20 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) [2024-11-27 20:05:58,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 30 transitions. [2024-11-27 20:05:58,550 INFO L240 hiAutomatonCegarLoop]: Abstraction has 21 states and 30 transitions. [2024-11-27 20:05:58,550 INFO L425 stractBuchiCegarLoop]: Abstraction has 21 states and 30 transitions. [2024-11-27 20:05:58,550 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-27 20:05:58,550 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 21 states and 30 transitions. [2024-11-27 20:05:58,551 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 11 [2024-11-27 20:05:58,551 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-27 20:05:58,551 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-27 20:05:58,552 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:05:58,552 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-27 20:05:58,552 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet10#1, main_#t~nondet11#1, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~nondet14#1, main_#t~post15#1, main_~i~0#1, main_#t~nondet16#1, main_#t~post17#1, main_~i~1#1, main_#t~ret18#1.base, main_#t~ret18#1.offset, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc main_#t~nondet10#1;main_~length1~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;havoc main_#t~nondet11#1;main_~length2~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;" "assume !(main_~length1~0#1 < 1);" "assume !(main_~length2~0#1 < 1);" "call main_#t~malloc12#1.base, main_#t~malloc12#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc12#1.base, main_#t~malloc12#1.offset;call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;main_~i~0#1 := 0;" "assume !(main_~i~0#1 < main_~length1~0#1 - 1);" "havoc main_~i~0#1;main_~i~1#1 := 0;" [2024-11-27 20:05:58,552 INFO L749 eck$LassoCheckResult]: Loop: "assume main_~i~1#1 < main_~length2~0#1 - 1;" "havoc main_#t~nondet16#1;call write~int#1(main_#t~nondet16#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet16#1;main_#t~post17#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post17#1;havoc main_#t~post17#1;" [2024-11-27 20:05:58,553 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:05:58,553 INFO L85 PathProgramCache]: Analyzing trace with hash 1806935724, now seen corresponding path program 1 times [2024-11-27 20:05:58,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 20:05:58,553 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1892354707] [2024-11-27 20:05:58,553 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:05:58,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:05:58,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:05:58,571 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 20:05:58,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:05:58,584 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 20:05:58,585 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:05:58,585 INFO L85 PathProgramCache]: Analyzing trace with hash 2085, now seen corresponding path program 1 times [2024-11-27 20:05:58,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 20:05:58,585 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1203394001] [2024-11-27 20:05:58,585 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:05:58,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:05:58,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:05:58,593 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 20:05:58,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:05:58,600 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 20:05:58,600 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:05:58,601 INFO L85 PathProgramCache]: Analyzing trace with hash 1298444304, now seen corresponding path program 1 times [2024-11-27 20:05:58,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 20:05:58,601 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1058960742] [2024-11-27 20:05:58,601 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:05:58,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:05:58,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:05:58,627 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 20:05:58,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:05:58,667 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 20:05:59,100 INFO L204 LassoAnalysis]: Preferences: [2024-11-27 20:05:59,100 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-27 20:05:59,100 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-27 20:05:59,100 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-27 20:05:59,100 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-27 20:05:59,100 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:05:59,100 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-27 20:05:59,100 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-27 20:05:59,100 INFO L132 ssoRankerPreferences]: Filename of dumped script: cstrpbrk-alloca-2.i_Iteration2_Lasso [2024-11-27 20:05:59,100 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-27 20:05:59,100 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-27 20:05:59,106 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:05:59,113 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:05:59,117 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:05:59,120 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:05:59,125 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:05:59,128 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:05:59,131 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:05:59,134 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:05:59,139 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:05:59,142 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:05:59,146 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:05:59,150 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:05:59,154 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:05:59,157 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:05:59,161 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:05:59,166 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:05:59,170 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:05:59,173 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:05:59,810 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-27 20:05:59,811 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-27 20:05:59,811 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:05:59,811 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:05:59,813 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:05:59,818 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2024-11-27 20:05:59,822 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 20:05:59,839 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 20:05:59,839 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 20:05:59,839 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 20:05:59,839 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 20:05:59,839 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 20:05:59,840 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 20:05:59,841 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 20:05:59,843 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 20:05:59,853 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2024-11-27 20:05:59,853 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:05:59,854 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:05:59,859 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:05:59,862 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2024-11-27 20:05:59,864 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 [2024-11-27 20:05:59,880 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 20:05:59,880 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 20:05:59,880 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 20:05:59,880 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 20:05:59,881 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 20:05:59,881 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 20:05:59,881 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 20:05:59,883 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 20:05:59,893 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2024-11-27 20:05:59,894 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:05:59,894 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:05:59,898 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:05:59,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2024-11-27 20:05:59,901 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 [2024-11-27 20:05:59,918 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 20:05:59,918 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 20:05:59,918 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 20:05:59,919 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 20:05:59,919 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 20:05:59,920 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 20:05:59,920 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 20:05:59,925 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 20:05:59,934 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2024-11-27 20:05:59,934 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:05:59,934 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:05:59,936 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:05:59,938 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2024-11-27 20:05:59,939 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 [2024-11-27 20:05:59,950 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 20:05:59,951 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 20:05:59,951 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 20:05:59,951 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 20:05:59,951 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 20:05:59,951 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 20:05:59,951 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 20:05:59,953 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 20:05:59,959 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2024-11-27 20:05:59,959 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:05:59,959 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:05:59,961 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:05:59,962 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2024-11-27 20:05:59,964 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 [2024-11-27 20:05:59,976 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 20:05:59,976 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 20:05:59,976 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 20:05:59,976 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 20:05:59,976 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 20:05:59,976 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 20:05:59,976 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 20:05:59,978 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 20:05:59,985 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2024-11-27 20:05:59,985 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:05:59,986 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:05:59,987 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:05:59,989 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2024-11-27 20:05:59,990 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 [2024-11-27 20:06:00,002 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 20:06:00,002 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 20:06:00,002 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 20:06:00,002 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 20:06:00,002 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 20:06:00,003 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 20:06:00,003 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 20:06:00,004 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 20:06:00,010 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2024-11-27 20:06:00,010 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:06:00,011 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:06:00,012 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:06:00,014 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2024-11-27 20:06:00,015 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 [2024-11-27 20:06:00,026 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 20:06:00,026 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 20:06:00,027 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 20:06:00,027 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 20:06:00,027 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 20:06:00,027 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 20:06:00,027 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 20:06:00,029 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 20:06:00,035 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2024-11-27 20:06:00,035 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:06:00,035 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:06:00,037 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:06:00,040 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2024-11-27 20:06:00,041 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 [2024-11-27 20:06:00,052 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 20:06:00,052 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 20:06:00,052 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 20:06:00,052 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 20:06:00,055 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 20:06:00,055 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 20:06:00,060 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 20:06:00,068 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2024-11-27 20:06:00,068 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:06:00,068 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:06:00,072 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:06:00,073 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2024-11-27 20:06:00,075 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 [2024-11-27 20:06:00,086 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 20:06:00,087 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 20:06:00,087 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 20:06:00,087 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 20:06:00,087 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 20:06:00,087 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 20:06:00,088 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 20:06:00,091 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 20:06:00,101 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2024-11-27 20:06:00,101 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:06:00,102 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:06:00,104 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:06:00,107 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2024-11-27 20:06:00,108 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 [2024-11-27 20:06:00,123 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 20:06:00,123 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 20:06:00,123 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 20:06:00,123 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 20:06:00,125 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 20:06:00,126 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 20:06:00,131 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 20:06:00,141 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2024-11-27 20:06:00,141 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:06:00,142 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:06:00,145 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:06:00,147 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2024-11-27 20:06:00,149 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 [2024-11-27 20:06:00,165 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 20:06:00,165 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 20:06:00,165 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 20:06:00,165 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 20:06:00,167 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 20:06:00,167 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 20:06:00,173 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 20:06:00,183 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2024-11-27 20:06:00,183 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:06:00,184 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:06:00,186 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:06:00,189 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2024-11-27 20:06:00,191 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 [2024-11-27 20:06:00,207 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 20:06:00,207 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 20:06:00,208 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 20:06:00,208 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 20:06:00,210 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 20:06:00,210 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 20:06:00,215 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 20:06:00,226 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2024-11-27 20:06:00,226 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:06:00,226 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:06:00,229 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:06:00,232 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2024-11-27 20:06:00,233 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 [2024-11-27 20:06:00,248 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 20:06:00,248 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 20:06:00,249 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 20:06:00,249 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 20:06:00,249 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 20:06:00,249 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 20:06:00,249 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 20:06:00,253 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 20:06:00,264 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Ended with exit code 0 [2024-11-27 20:06:00,264 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:06:00,264 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:06:00,266 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:06:00,270 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2024-11-27 20:06:00,271 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 20:06:00,287 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 20:06:00,287 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 20:06:00,287 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 20:06:00,287 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 20:06:00,287 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 20:06:00,287 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 20:06:00,288 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 20:06:00,291 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 20:06:00,301 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2024-11-27 20:06:00,302 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:06:00,302 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:06:00,304 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:06:00,308 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2024-11-27 20:06:00,309 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 [2024-11-27 20:06:00,327 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 20:06:00,327 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 20:06:00,327 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 20:06:00,327 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 20:06:00,328 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 20:06:00,328 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 20:06:00,328 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 20:06:00,331 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 20:06:00,341 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2024-11-27 20:06:00,342 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:06:00,342 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:06:00,344 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:06:00,348 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2024-11-27 20:06:00,350 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 [2024-11-27 20:06:00,366 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 20:06:00,366 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 20:06:00,366 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 20:06:00,366 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 20:06:00,368 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 20:06:00,368 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 20:06:00,373 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 20:06:00,384 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2024-11-27 20:06:00,384 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:06:00,384 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:06:00,387 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:06:00,391 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2024-11-27 20:06:00,391 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 [2024-11-27 20:06:00,407 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 20:06:00,407 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 20:06:00,407 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 20:06:00,407 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 20:06:00,407 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 20:06:00,408 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 20:06:00,408 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 20:06:00,411 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 20:06:00,421 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2024-11-27 20:06:00,421 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:06:00,421 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:06:00,423 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:06:00,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2024-11-27 20:06:00,429 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 [2024-11-27 20:06:00,445 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 20:06:00,445 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 20:06:00,445 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 20:06:00,445 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 20:06:00,449 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 20:06:00,449 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 20:06:00,459 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 20:06:00,469 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2024-11-27 20:06:00,469 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:06:00,470 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:06:00,472 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:06:00,475 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2024-11-27 20:06:00,477 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 [2024-11-27 20:06:00,493 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 20:06:00,493 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 20:06:00,493 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 20:06:00,493 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 20:06:00,493 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 20:06:00,494 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 20:06:00,494 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 20:06:00,496 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 20:06:00,506 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2024-11-27 20:06:00,507 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:06:00,507 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:06:00,509 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:06:00,513 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2024-11-27 20:06:00,514 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 20:06:00,530 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 20:06:00,530 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 20:06:00,530 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 20:06:00,530 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 20:06:00,532 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 20:06:00,532 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 20:06:00,537 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 20:06:00,547 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2024-11-27 20:06:00,547 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:06:00,547 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:06:00,550 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:06:00,553 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2024-11-27 20:06:00,554 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 [2024-11-27 20:06:00,571 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 20:06:00,571 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 20:06:00,571 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 20:06:00,571 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 20:06:00,578 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 20:06:00,578 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 20:06:00,595 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-27 20:06:00,618 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2024-11-27 20:06:00,619 INFO L444 ModelExtractionUtils]: 5 out of 19 variables were initially zero. Simplification set additionally 10 variables to zero. [2024-11-27 20:06:00,619 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:06:00,619 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:06:00,623 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:06:00,625 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2024-11-27 20:06:00,625 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-27 20:06:00,641 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2024-11-27 20:06:00,641 INFO L474 LassoAnalysis]: Proved termination. [2024-11-27 20:06:00,642 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_~nondetString2~0#1.base)_1, ULTIMATE.start_main_~i~1#1) = 1*v_rep(select #length ULTIMATE.start_main_~nondetString2~0#1.base)_1 - 1*ULTIMATE.start_main_~i~1#1 Supporting invariants [1*ULTIMATE.start_main_~nondetString2~0#1.offset >= 0] [2024-11-27 20:06:00,651 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2024-11-27 20:06:00,673 INFO L156 tatePredicateManager]: 6 out of 7 supporting invariants were superfluous and have been removed [2024-11-27 20:06:00,675 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-27 20:06:00,675 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-27 20:06:00,701 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:06:00,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:06:00,717 INFO L256 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-27 20:06:00,718 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:06:00,824 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2024-11-27 20:06:00,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:06:00,829 INFO L256 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-27 20:06:00,830 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:06:00,840 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2024-11-27 20:06:00,852 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:06:00,852 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 1 loop predicates [2024-11-27 20:06:00,853 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 21 states and 30 transitions. cyclomatic complexity: 12 Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 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) [2024-11-27 20:06:00,887 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 21 states and 30 transitions. cyclomatic complexity: 12. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 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) Result 33 states and 48 transitions. Complement of second has 7 states. [2024-11-27 20:06:00,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-27 20:06:00,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 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) [2024-11-27 20:06:00,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 27 transitions. [2024-11-27 20:06:00,889 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 27 transitions. Stem has 7 letters. Loop has 2 letters. [2024-11-27 20:06:00,890 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 20:06:00,890 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 27 transitions. Stem has 9 letters. Loop has 2 letters. [2024-11-27 20:06:00,890 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 20:06:00,890 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 27 transitions. Stem has 7 letters. Loop has 4 letters. [2024-11-27 20:06:00,890 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 20:06:00,890 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 33 states and 48 transitions. [2024-11-27 20:06:00,891 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 9 [2024-11-27 20:06:00,892 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 33 states to 22 states and 31 transitions. [2024-11-27 20:06:00,892 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2024-11-27 20:06:00,892 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2024-11-27 20:06:00,892 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 31 transitions. [2024-11-27 20:06:00,893 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-27 20:06:00,893 INFO L218 hiAutomatonCegarLoop]: Abstraction has 22 states and 31 transitions. [2024-11-27 20:06:00,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states and 31 transitions. [2024-11-27 20:06:00,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2024-11-27 20:06:00,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 22 states have (on average 1.4090909090909092) internal successors, (31), 21 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:06:00,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 31 transitions. [2024-11-27 20:06:00,895 INFO L240 hiAutomatonCegarLoop]: Abstraction has 22 states and 31 transitions. [2024-11-27 20:06:00,895 INFO L425 stractBuchiCegarLoop]: Abstraction has 22 states and 31 transitions. [2024-11-27 20:06:00,895 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-27 20:06:00,895 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 31 transitions. [2024-11-27 20:06:00,896 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 9 [2024-11-27 20:06:00,896 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-27 20:06:00,896 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-27 20:06:00,896 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:06:00,897 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2024-11-27 20:06:00,897 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet10#1, main_#t~nondet11#1, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~nondet14#1, main_#t~post15#1, main_~i~0#1, main_#t~nondet16#1, main_#t~post17#1, main_~i~1#1, main_#t~ret18#1.base, main_#t~ret18#1.offset, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc main_#t~nondet10#1;main_~length1~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;havoc main_#t~nondet11#1;main_~length2~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;" "assume !(main_~length1~0#1 < 1);" "assume !(main_~length2~0#1 < 1);" "call main_#t~malloc12#1.base, main_#t~malloc12#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc12#1.base, main_#t~malloc12#1.offset;call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;main_~i~0#1 := 0;" "assume !(main_~i~0#1 < main_~length1~0#1 - 1);" "havoc main_~i~0#1;main_~i~1#1 := 0;" "assume !(main_~i~1#1 < main_~length2~0#1 - 1);" "havoc main_~i~1#1;call write~int#0(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int#1(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrpbrk } true;cstrpbrk_#in~s1#1.base, cstrpbrk_#in~s1#1.offset, cstrpbrk_#in~s2#1.base, cstrpbrk_#in~s2#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrpbrk_#res#1.base, cstrpbrk_#res#1.offset;havoc cstrpbrk_#t~mem2#1, cstrpbrk_#t~mem3#1, cstrpbrk_#t~mem4#1, cstrpbrk_#t~mem5#1, cstrpbrk_#t~short6#1, cstrpbrk_#t~post7#1.base, cstrpbrk_#t~post7#1.offset, cstrpbrk_#t~mem8#1, cstrpbrk_#t~post9#1.base, cstrpbrk_#t~post9#1.offset, cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset, cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset, cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset, cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset, cstrpbrk_~c~0#1;cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset := cstrpbrk_#in~s1#1.base, cstrpbrk_#in~s1#1.offset;cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset := cstrpbrk_#in~s2#1.base, cstrpbrk_#in~s2#1.offset;havoc cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset;havoc cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset;havoc cstrpbrk_~c~0#1;cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset := cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset;" [2024-11-27 20:06:00,897 INFO L749 eck$LassoCheckResult]: Loop: "call cstrpbrk_#t~mem2#1 := read~int#0(cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset, 1);" "assume 0 != cstrpbrk_#t~mem2#1;havoc cstrpbrk_#t~mem2#1;" "cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset := cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset;call cstrpbrk_#t~mem3#1 := read~int#0(cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset, 1);cstrpbrk_~c~0#1 := cstrpbrk_#t~mem3#1;havoc cstrpbrk_#t~mem3#1;" "assume !true;" "call cstrpbrk_#t~mem8#1 := read~int#1(cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset, 1);" "assume !(cstrpbrk_#t~mem8#1 != cstrpbrk_~c~0#1);havoc cstrpbrk_#t~mem8#1;cstrpbrk_#t~post9#1.base, cstrpbrk_#t~post9#1.offset := cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset;cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset := cstrpbrk_#t~post9#1.base, 1 + cstrpbrk_#t~post9#1.offset;havoc cstrpbrk_#t~post9#1.base, cstrpbrk_#t~post9#1.offset;" [2024-11-27 20:06:00,897 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:06:00,898 INFO L85 PathProgramCache]: Analyzing trace with hash 1298444370, now seen corresponding path program 1 times [2024-11-27 20:06:00,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 20:06:00,898 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1635214521] [2024-11-27 20:06:00,898 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:06:00,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:06:00,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:06:00,925 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 20:06:00,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:06:00,965 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 20:06:00,968 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:06:00,969 INFO L85 PathProgramCache]: Analyzing trace with hash -2014036196, now seen corresponding path program 1 times [2024-11-27 20:06:00,969 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 20:06:00,969 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1872965519] [2024-11-27 20:06:00,969 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:06:00,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:06:00,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:06:01,010 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-27 20:06:01,013 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1872965519] [2024-11-27 20:06:01,014 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1872965519] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:06:01,014 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [661748850] [2024-11-27 20:06:01,014 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:06:01,014 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:06:01,014 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:06:01,017 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:06:01,019 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2024-11-27 20:06:01,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:06:01,067 INFO L256 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-27 20:06:01,067 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:06:01,068 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:06:01,071 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [661748850] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 20:06:01,071 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 20:06:01,071 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2, 2, 2] total 2 [2024-11-27 20:06:01,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1488572822] [2024-11-27 20:06:01,072 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 20:06:01,074 INFO L764 eck$LassoCheckResult]: loop already infeasible [2024-11-27 20:06:01,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-27 20:06:01,076 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-27 20:06:01,076 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-27 20:06:01,077 INFO L87 Difference]: Start difference. First operand 22 states and 31 transitions. cyclomatic complexity: 12 Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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) [2024-11-27 20:06:01,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:06:01,082 INFO L93 Difference]: Finished difference Result 22 states and 30 transitions. [2024-11-27 20:06:01,082 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 22 states and 30 transitions. [2024-11-27 20:06:01,083 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 9 [2024-11-27 20:06:01,083 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 22 states to 22 states and 30 transitions. [2024-11-27 20:06:01,083 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18 [2024-11-27 20:06:01,083 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2024-11-27 20:06:01,084 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 30 transitions. [2024-11-27 20:06:01,084 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-27 20:06:01,084 INFO L218 hiAutomatonCegarLoop]: Abstraction has 22 states and 30 transitions. [2024-11-27 20:06:01,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states and 30 transitions. [2024-11-27 20:06:01,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2024-11-27 20:06:01,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 22 states have (on average 1.3636363636363635) internal successors, (30), 21 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) [2024-11-27 20:06:01,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 30 transitions. [2024-11-27 20:06:01,086 INFO L240 hiAutomatonCegarLoop]: Abstraction has 22 states and 30 transitions. [2024-11-27 20:06:01,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 20:06:01,087 INFO L425 stractBuchiCegarLoop]: Abstraction has 22 states and 30 transitions. [2024-11-27 20:06:01,087 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-11-27 20:06:01,087 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 30 transitions. [2024-11-27 20:06:01,088 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 9 [2024-11-27 20:06:01,088 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-27 20:06:01,088 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-27 20:06:01,088 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:06:01,088 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:06:01,089 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet10#1, main_#t~nondet11#1, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~nondet14#1, main_#t~post15#1, main_~i~0#1, main_#t~nondet16#1, main_#t~post17#1, main_~i~1#1, main_#t~ret18#1.base, main_#t~ret18#1.offset, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc main_#t~nondet10#1;main_~length1~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;havoc main_#t~nondet11#1;main_~length2~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;" "assume !(main_~length1~0#1 < 1);" "assume !(main_~length2~0#1 < 1);" "call main_#t~malloc12#1.base, main_#t~malloc12#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc12#1.base, main_#t~malloc12#1.offset;call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;main_~i~0#1 := 0;" "assume !(main_~i~0#1 < main_~length1~0#1 - 1);" "havoc main_~i~0#1;main_~i~1#1 := 0;" "assume !(main_~i~1#1 < main_~length2~0#1 - 1);" "havoc main_~i~1#1;call write~int#0(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int#1(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrpbrk } true;cstrpbrk_#in~s1#1.base, cstrpbrk_#in~s1#1.offset, cstrpbrk_#in~s2#1.base, cstrpbrk_#in~s2#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrpbrk_#res#1.base, cstrpbrk_#res#1.offset;havoc cstrpbrk_#t~mem2#1, cstrpbrk_#t~mem3#1, cstrpbrk_#t~mem4#1, cstrpbrk_#t~mem5#1, cstrpbrk_#t~short6#1, cstrpbrk_#t~post7#1.base, cstrpbrk_#t~post7#1.offset, cstrpbrk_#t~mem8#1, cstrpbrk_#t~post9#1.base, cstrpbrk_#t~post9#1.offset, cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset, cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset, cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset, cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset, cstrpbrk_~c~0#1;cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset := cstrpbrk_#in~s1#1.base, cstrpbrk_#in~s1#1.offset;cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset := cstrpbrk_#in~s2#1.base, cstrpbrk_#in~s2#1.offset;havoc cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset;havoc cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset;havoc cstrpbrk_~c~0#1;cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset := cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset;" [2024-11-27 20:06:01,089 INFO L749 eck$LassoCheckResult]: Loop: "call cstrpbrk_#t~mem2#1 := read~int#0(cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset, 1);" "assume 0 != cstrpbrk_#t~mem2#1;havoc cstrpbrk_#t~mem2#1;" "cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset := cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset;call cstrpbrk_#t~mem3#1 := read~int#0(cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset, 1);cstrpbrk_~c~0#1 := cstrpbrk_#t~mem3#1;havoc cstrpbrk_#t~mem3#1;" "call cstrpbrk_#t~mem4#1 := read~int#1(cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset, 1);cstrpbrk_#t~short6#1 := 0 != cstrpbrk_#t~mem4#1;" "assume cstrpbrk_#t~short6#1;call cstrpbrk_#t~mem5#1 := read~int#1(cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset, 1);cstrpbrk_#t~short6#1 := cstrpbrk_#t~mem5#1 != (if cstrpbrk_~c~0#1 % 256 <= 127 then cstrpbrk_~c~0#1 % 256 else cstrpbrk_~c~0#1 % 256 - 256);" "assume !cstrpbrk_#t~short6#1;havoc cstrpbrk_#t~mem4#1;havoc cstrpbrk_#t~mem5#1;havoc cstrpbrk_#t~short6#1;" "call cstrpbrk_#t~mem8#1 := read~int#1(cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset, 1);" "assume !(cstrpbrk_#t~mem8#1 != cstrpbrk_~c~0#1);havoc cstrpbrk_#t~mem8#1;cstrpbrk_#t~post9#1.base, cstrpbrk_#t~post9#1.offset := cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset;cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset := cstrpbrk_#t~post9#1.base, 1 + cstrpbrk_#t~post9#1.offset;havoc cstrpbrk_#t~post9#1.base, cstrpbrk_#t~post9#1.offset;" [2024-11-27 20:06:01,089 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:06:01,089 INFO L85 PathProgramCache]: Analyzing trace with hash 1298444370, now seen corresponding path program 2 times [2024-11-27 20:06:01,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 20:06:01,090 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2141345453] [2024-11-27 20:06:01,090 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:06:01,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:06:01,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:06:01,109 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 20:06:01,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:06:01,125 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 20:06:01,126 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:06:01,126 INFO L85 PathProgramCache]: Analyzing trace with hash 1527188085, now seen corresponding path program 1 times [2024-11-27 20:06:01,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 20:06:01,126 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [916107820] [2024-11-27 20:06:01,126 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:06:01,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:06:01,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:06:01,138 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 20:06:01,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:06:01,161 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 20:06:01,161 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:06:01,161 INFO L85 PathProgramCache]: Analyzing trace with hash -94185018, now seen corresponding path program 1 times [2024-11-27 20:06:01,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 20:06:01,161 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [875907169] [2024-11-27 20:06:01,161 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:06:01,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:06:01,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:06:01,777 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-27 20:06:01,777 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [875907169] [2024-11-27 20:06:01,777 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [875907169] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:06:01,777 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1683472166] [2024-11-27 20:06:01,777 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:06:01,778 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:06:01,778 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:06:01,780 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:06:01,782 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2024-11-27 20:06:01,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:06:01,870 INFO L256 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-27 20:06:01,872 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:06:01,937 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-27 20:06:01,997 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 16 treesize of output 8 [2024-11-27 20:06:02,055 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:06:02,162 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 20 treesize of output 12 [2024-11-27 20:06:02,171 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 13 treesize of output 11 [2024-11-27 20:06:02,174 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 14 treesize of output 12 [2024-11-27 20:06:02,218 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1683472166] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 20:06:02,218 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 20:06:02,218 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 20 [2024-11-27 20:06:02,218 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1626173341] [2024-11-27 20:06:02,219 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 20:06:02,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-27 20:06:02,477 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-27 20:06:02,478 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=321, Unknown=0, NotChecked=0, Total=380 [2024-11-27 20:06:02,479 INFO L87 Difference]: Start difference. First operand 22 states and 30 transitions. cyclomatic complexity: 11 Second operand has 20 states, 20 states have (on average 2.0) internal successors, (40), 20 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:06:02,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:06:02,787 INFO L93 Difference]: Finished difference Result 41 states and 52 transitions. [2024-11-27 20:06:02,787 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 41 states and 52 transitions. [2024-11-27 20:06:02,788 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 10 [2024-11-27 20:06:02,788 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 41 states to 24 states and 30 transitions. [2024-11-27 20:06:02,788 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 19 [2024-11-27 20:06:02,788 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 19 [2024-11-27 20:06:02,789 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 30 transitions. [2024-11-27 20:06:02,789 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-27 20:06:02,789 INFO L218 hiAutomatonCegarLoop]: Abstraction has 24 states and 30 transitions. [2024-11-27 20:06:02,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states and 30 transitions. [2024-11-27 20:06:02,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 23. [2024-11-27 20:06:02,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 23 states have (on average 1.2608695652173914) internal successors, (29), 22 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) [2024-11-27 20:06:02,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 29 transitions. [2024-11-27 20:06:02,791 INFO L240 hiAutomatonCegarLoop]: Abstraction has 23 states and 29 transitions. [2024-11-27 20:06:02,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-27 20:06:02,792 INFO L425 stractBuchiCegarLoop]: Abstraction has 23 states and 29 transitions. [2024-11-27 20:06:02,792 INFO L332 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2024-11-27 20:06:02,792 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 23 states and 29 transitions. [2024-11-27 20:06:02,793 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 10 [2024-11-27 20:06:02,793 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-27 20:06:02,793 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-27 20:06:02,793 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:06:02,794 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:06:02,794 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet10#1, main_#t~nondet11#1, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~nondet14#1, main_#t~post15#1, main_~i~0#1, main_#t~nondet16#1, main_#t~post17#1, main_~i~1#1, main_#t~ret18#1.base, main_#t~ret18#1.offset, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc main_#t~nondet10#1;main_~length1~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;havoc main_#t~nondet11#1;main_~length2~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;" "assume !(main_~length1~0#1 < 1);" "assume !(main_~length2~0#1 < 1);" "call main_#t~malloc12#1.base, main_#t~malloc12#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc12#1.base, main_#t~malloc12#1.offset;call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;main_~i~0#1 := 0;" "assume !(main_~i~0#1 < main_~length1~0#1 - 1);" "havoc main_~i~0#1;main_~i~1#1 := 0;" "assume main_~i~1#1 < main_~length2~0#1 - 1;" "havoc main_#t~nondet16#1;call write~int#1(main_#t~nondet16#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet16#1;main_#t~post17#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post17#1;havoc main_#t~post17#1;" "assume !(main_~i~1#1 < main_~length2~0#1 - 1);" "havoc main_~i~1#1;call write~int#0(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int#1(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrpbrk } true;cstrpbrk_#in~s1#1.base, cstrpbrk_#in~s1#1.offset, cstrpbrk_#in~s2#1.base, cstrpbrk_#in~s2#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrpbrk_#res#1.base, cstrpbrk_#res#1.offset;havoc cstrpbrk_#t~mem2#1, cstrpbrk_#t~mem3#1, cstrpbrk_#t~mem4#1, cstrpbrk_#t~mem5#1, cstrpbrk_#t~short6#1, cstrpbrk_#t~post7#1.base, cstrpbrk_#t~post7#1.offset, cstrpbrk_#t~mem8#1, cstrpbrk_#t~post9#1.base, cstrpbrk_#t~post9#1.offset, cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset, cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset, cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset, cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset, cstrpbrk_~c~0#1;cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset := cstrpbrk_#in~s1#1.base, cstrpbrk_#in~s1#1.offset;cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset := cstrpbrk_#in~s2#1.base, cstrpbrk_#in~s2#1.offset;havoc cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset;havoc cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset;havoc cstrpbrk_~c~0#1;cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset := cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset;" [2024-11-27 20:06:02,794 INFO L749 eck$LassoCheckResult]: Loop: "call cstrpbrk_#t~mem2#1 := read~int#0(cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset, 1);" "assume 0 != cstrpbrk_#t~mem2#1;havoc cstrpbrk_#t~mem2#1;" "cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset := cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset;call cstrpbrk_#t~mem3#1 := read~int#0(cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset, 1);cstrpbrk_~c~0#1 := cstrpbrk_#t~mem3#1;havoc cstrpbrk_#t~mem3#1;" "call cstrpbrk_#t~mem4#1 := read~int#1(cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset, 1);cstrpbrk_#t~short6#1 := 0 != cstrpbrk_#t~mem4#1;" "assume cstrpbrk_#t~short6#1;call cstrpbrk_#t~mem5#1 := read~int#1(cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset, 1);cstrpbrk_#t~short6#1 := cstrpbrk_#t~mem5#1 != (if cstrpbrk_~c~0#1 % 256 <= 127 then cstrpbrk_~c~0#1 % 256 else cstrpbrk_~c~0#1 % 256 - 256);" "assume !cstrpbrk_#t~short6#1;havoc cstrpbrk_#t~mem4#1;havoc cstrpbrk_#t~mem5#1;havoc cstrpbrk_#t~short6#1;" "call cstrpbrk_#t~mem8#1 := read~int#1(cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset, 1);" "assume !(cstrpbrk_#t~mem8#1 != cstrpbrk_~c~0#1);havoc cstrpbrk_#t~mem8#1;cstrpbrk_#t~post9#1.base, cstrpbrk_#t~post9#1.offset := cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset;cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset := cstrpbrk_#t~post9#1.base, 1 + cstrpbrk_#t~post9#1.offset;havoc cstrpbrk_#t~post9#1.base, cstrpbrk_#t~post9#1.offset;" [2024-11-27 20:06:02,794 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:06:02,795 INFO L85 PathProgramCache]: Analyzing trace with hash -2030505802, now seen corresponding path program 1 times [2024-11-27 20:06:02,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 20:06:02,795 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [972208892] [2024-11-27 20:06:02,795 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:06:02,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:06:02,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:06:02,816 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 20:06:02,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:06:02,838 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 20:06:02,839 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:06:02,839 INFO L85 PathProgramCache]: Analyzing trace with hash 1527188085, now seen corresponding path program 2 times [2024-11-27 20:06:02,839 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 20:06:02,839 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [308165434] [2024-11-27 20:06:02,839 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:06:02,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:06:02,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:06:02,851 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 20:06:02,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:06:02,859 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 20:06:02,860 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:06:02,860 INFO L85 PathProgramCache]: Analyzing trace with hash 1718777386, now seen corresponding path program 1 times [2024-11-27 20:06:02,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 20:06:02,860 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1454328333] [2024-11-27 20:06:02,860 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:06:02,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:06:02,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:06:03,296 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-27 20:06:03,296 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1454328333] [2024-11-27 20:06:03,296 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1454328333] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:06:03,296 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [305014945] [2024-11-27 20:06:03,296 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:06:03,296 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:06:03,297 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:06:03,298 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:06:03,302 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2024-11-27 20:06:03,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:06:03,390 INFO L256 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-27 20:06:03,393 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:06:03,459 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2024-11-27 20:06:03,584 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-27 20:06:03,587 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 20:06:03,588 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 18 treesize of output 10 [2024-11-27 20:06:03,689 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 16 treesize of output 8 [2024-11-27 20:06:03,712 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:06:03,783 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 16 treesize of output 8 [2024-11-27 20:06:03,811 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 13 treesize of output 11 [2024-11-27 20:06:03,818 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 14 treesize of output 12 [2024-11-27 20:06:03,916 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [305014945] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 20:06:03,917 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 20:06:03,917 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8, 8] total 19 [2024-11-27 20:06:03,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1837988583] [2024-11-27 20:06:03,917 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 20:06:04,172 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-27 20:06:04,173 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-27 20:06:04,173 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=291, Unknown=0, NotChecked=0, Total=342 [2024-11-27 20:06:04,173 INFO L87 Difference]: Start difference. First operand 23 states and 29 transitions. cyclomatic complexity: 9 Second operand has 19 states, 19 states have (on average 2.6842105263157894) internal successors, (51), 19 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:06:04,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:06:04,382 INFO L93 Difference]: Finished difference Result 33 states and 39 transitions. [2024-11-27 20:06:04,382 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 33 states and 39 transitions. [2024-11-27 20:06:04,384 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 10 [2024-11-27 20:06:04,384 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 33 states to 26 states and 31 transitions. [2024-11-27 20:06:04,384 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 21 [2024-11-27 20:06:04,385 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 21 [2024-11-27 20:06:04,385 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 31 transitions. [2024-11-27 20:06:04,385 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-27 20:06:04,385 INFO L218 hiAutomatonCegarLoop]: Abstraction has 26 states and 31 transitions. [2024-11-27 20:06:04,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states and 31 transitions. [2024-11-27 20:06:04,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 23. [2024-11-27 20:06:04,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 23 states have (on average 1.2173913043478262) internal successors, (28), 22 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:06:04,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 28 transitions. [2024-11-27 20:06:04,389 INFO L240 hiAutomatonCegarLoop]: Abstraction has 23 states and 28 transitions. [2024-11-27 20:06:04,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-27 20:06:04,390 INFO L425 stractBuchiCegarLoop]: Abstraction has 23 states and 28 transitions. [2024-11-27 20:06:04,390 INFO L332 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2024-11-27 20:06:04,390 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 23 states and 28 transitions. [2024-11-27 20:06:04,391 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 10 [2024-11-27 20:06:04,391 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-27 20:06:04,391 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-27 20:06:04,391 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:06:04,391 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:06:04,391 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet10#1, main_#t~nondet11#1, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~nondet14#1, main_#t~post15#1, main_~i~0#1, main_#t~nondet16#1, main_#t~post17#1, main_~i~1#1, main_#t~ret18#1.base, main_#t~ret18#1.offset, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc main_#t~nondet10#1;main_~length1~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;havoc main_#t~nondet11#1;main_~length2~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;" "assume !(main_~length1~0#1 < 1);" "assume !(main_~length2~0#1 < 1);" "call main_#t~malloc12#1.base, main_#t~malloc12#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc12#1.base, main_#t~malloc12#1.offset;call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;main_~i~0#1 := 0;" "assume main_~i~0#1 < main_~length1~0#1 - 1;" "havoc main_#t~nondet14#1;call write~int#0(main_#t~nondet14#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet14#1;main_#t~post15#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post15#1;havoc main_#t~post15#1;" "assume !(main_~i~0#1 < main_~length1~0#1 - 1);" "havoc main_~i~0#1;main_~i~1#1 := 0;" "assume main_~i~1#1 < main_~length2~0#1 - 1;" "havoc main_#t~nondet16#1;call write~int#1(main_#t~nondet16#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet16#1;main_#t~post17#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post17#1;havoc main_#t~post17#1;" "assume !(main_~i~1#1 < main_~length2~0#1 - 1);" "havoc main_~i~1#1;call write~int#0(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int#1(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrpbrk } true;cstrpbrk_#in~s1#1.base, cstrpbrk_#in~s1#1.offset, cstrpbrk_#in~s2#1.base, cstrpbrk_#in~s2#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrpbrk_#res#1.base, cstrpbrk_#res#1.offset;havoc cstrpbrk_#t~mem2#1, cstrpbrk_#t~mem3#1, cstrpbrk_#t~mem4#1, cstrpbrk_#t~mem5#1, cstrpbrk_#t~short6#1, cstrpbrk_#t~post7#1.base, cstrpbrk_#t~post7#1.offset, cstrpbrk_#t~mem8#1, cstrpbrk_#t~post9#1.base, cstrpbrk_#t~post9#1.offset, cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset, cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset, cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset, cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset, cstrpbrk_~c~0#1;cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset := cstrpbrk_#in~s1#1.base, cstrpbrk_#in~s1#1.offset;cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset := cstrpbrk_#in~s2#1.base, cstrpbrk_#in~s2#1.offset;havoc cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset;havoc cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset;havoc cstrpbrk_~c~0#1;cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset := cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset;" [2024-11-27 20:06:04,391 INFO L749 eck$LassoCheckResult]: Loop: "call cstrpbrk_#t~mem2#1 := read~int#0(cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset, 1);" "assume 0 != cstrpbrk_#t~mem2#1;havoc cstrpbrk_#t~mem2#1;" "cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset := cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset;call cstrpbrk_#t~mem3#1 := read~int#0(cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset, 1);cstrpbrk_~c~0#1 := cstrpbrk_#t~mem3#1;havoc cstrpbrk_#t~mem3#1;" "call cstrpbrk_#t~mem4#1 := read~int#1(cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset, 1);cstrpbrk_#t~short6#1 := 0 != cstrpbrk_#t~mem4#1;" "assume !cstrpbrk_#t~short6#1;" "assume !cstrpbrk_#t~short6#1;havoc cstrpbrk_#t~mem4#1;havoc cstrpbrk_#t~mem5#1;havoc cstrpbrk_#t~short6#1;" "call cstrpbrk_#t~mem8#1 := read~int#1(cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset, 1);" "assume !(cstrpbrk_#t~mem8#1 != cstrpbrk_~c~0#1);havoc cstrpbrk_#t~mem8#1;cstrpbrk_#t~post9#1.base, cstrpbrk_#t~post9#1.offset := cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset;cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset := cstrpbrk_#t~post9#1.base, 1 + cstrpbrk_#t~post9#1.offset;havoc cstrpbrk_#t~post9#1.base, cstrpbrk_#t~post9#1.offset;" [2024-11-27 20:06:04,392 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:06:04,392 INFO L85 PathProgramCache]: Analyzing trace with hash -199471398, now seen corresponding path program 1 times [2024-11-27 20:06:04,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 20:06:04,392 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [725822596] [2024-11-27 20:06:04,392 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:06:04,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:06:04,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:06:04,418 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 20:06:04,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:06:04,440 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 20:06:04,441 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:06:04,441 INFO L85 PathProgramCache]: Analyzing trace with hash 1527247667, now seen corresponding path program 1 times [2024-11-27 20:06:04,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 20:06:04,441 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1760861083] [2024-11-27 20:06:04,441 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:06:04,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:06:04,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:06:04,538 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-27 20:06:04,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1760861083] [2024-11-27 20:06:04,539 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1760861083] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:06:04,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [6551359] [2024-11-27 20:06:04,539 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:06:04,539 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:06:04,539 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:06:04,543 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:06:04,545 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2024-11-27 20:06:04,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:06:04,600 INFO L256 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-27 20:06:04,602 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:06:04,613 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 16 treesize of output 8 [2024-11-27 20:06:04,692 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:06:04,733 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [6551359] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 20:06:04,733 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 20:06:04,733 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 10 [2024-11-27 20:06:04,733 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1507651030] [2024-11-27 20:06:04,734 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 20:06:04,734 INFO L764 eck$LassoCheckResult]: loop already infeasible [2024-11-27 20:06:04,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-27 20:06:04,735 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-27 20:06:04,736 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2024-11-27 20:06:04,736 INFO L87 Difference]: Start difference. First operand 23 states and 28 transitions. cyclomatic complexity: 8 Second operand has 12 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 11 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:06:04,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:06:04,858 INFO L93 Difference]: Finished difference Result 25 states and 29 transitions. [2024-11-27 20:06:04,858 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 25 states and 29 transitions. [2024-11-27 20:06:04,859 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 9 [2024-11-27 20:06:04,859 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 25 states to 22 states and 26 transitions. [2024-11-27 20:06:04,862 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18 [2024-11-27 20:06:04,863 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2024-11-27 20:06:04,863 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 26 transitions. [2024-11-27 20:06:04,863 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-27 20:06:04,863 INFO L218 hiAutomatonCegarLoop]: Abstraction has 22 states and 26 transitions. [2024-11-27 20:06:04,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states and 26 transitions. [2024-11-27 20:06:04,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2024-11-27 20:06:04,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 22 states have (on average 1.1818181818181819) internal successors, (26), 21 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:06:04,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 26 transitions. [2024-11-27 20:06:04,865 INFO L240 hiAutomatonCegarLoop]: Abstraction has 22 states and 26 transitions. [2024-11-27 20:06:04,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-27 20:06:04,866 INFO L425 stractBuchiCegarLoop]: Abstraction has 22 states and 26 transitions. [2024-11-27 20:06:04,868 INFO L332 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2024-11-27 20:06:04,868 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 26 transitions. [2024-11-27 20:06:04,868 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 9 [2024-11-27 20:06:04,868 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-27 20:06:04,868 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-27 20:06:04,869 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:06:04,869 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:06:04,869 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet10#1, main_#t~nondet11#1, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~nondet14#1, main_#t~post15#1, main_~i~0#1, main_#t~nondet16#1, main_#t~post17#1, main_~i~1#1, main_#t~ret18#1.base, main_#t~ret18#1.offset, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc main_#t~nondet10#1;main_~length1~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;havoc main_#t~nondet11#1;main_~length2~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;" "assume !(main_~length1~0#1 < 1);" "assume !(main_~length2~0#1 < 1);" "call main_#t~malloc12#1.base, main_#t~malloc12#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc12#1.base, main_#t~malloc12#1.offset;call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;main_~i~0#1 := 0;" "assume main_~i~0#1 < main_~length1~0#1 - 1;" "havoc main_#t~nondet14#1;call write~int#0(main_#t~nondet14#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet14#1;main_#t~post15#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post15#1;havoc main_#t~post15#1;" "assume !(main_~i~0#1 < main_~length1~0#1 - 1);" "havoc main_~i~0#1;main_~i~1#1 := 0;" "assume main_~i~1#1 < main_~length2~0#1 - 1;" "havoc main_#t~nondet16#1;call write~int#1(main_#t~nondet16#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet16#1;main_#t~post17#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post17#1;havoc main_#t~post17#1;" "assume !(main_~i~1#1 < main_~length2~0#1 - 1);" "havoc main_~i~1#1;call write~int#0(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int#1(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrpbrk } true;cstrpbrk_#in~s1#1.base, cstrpbrk_#in~s1#1.offset, cstrpbrk_#in~s2#1.base, cstrpbrk_#in~s2#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrpbrk_#res#1.base, cstrpbrk_#res#1.offset;havoc cstrpbrk_#t~mem2#1, cstrpbrk_#t~mem3#1, cstrpbrk_#t~mem4#1, cstrpbrk_#t~mem5#1, cstrpbrk_#t~short6#1, cstrpbrk_#t~post7#1.base, cstrpbrk_#t~post7#1.offset, cstrpbrk_#t~mem8#1, cstrpbrk_#t~post9#1.base, cstrpbrk_#t~post9#1.offset, cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset, cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset, cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset, cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset, cstrpbrk_~c~0#1;cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset := cstrpbrk_#in~s1#1.base, cstrpbrk_#in~s1#1.offset;cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset := cstrpbrk_#in~s2#1.base, cstrpbrk_#in~s2#1.offset;havoc cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset;havoc cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset;havoc cstrpbrk_~c~0#1;cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset := cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset;" [2024-11-27 20:06:04,869 INFO L749 eck$LassoCheckResult]: Loop: "call cstrpbrk_#t~mem2#1 := read~int#0(cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset, 1);" "assume 0 != cstrpbrk_#t~mem2#1;havoc cstrpbrk_#t~mem2#1;" "cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset := cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset;call cstrpbrk_#t~mem3#1 := read~int#0(cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset, 1);cstrpbrk_~c~0#1 := cstrpbrk_#t~mem3#1;havoc cstrpbrk_#t~mem3#1;" "call cstrpbrk_#t~mem4#1 := read~int#1(cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset, 1);cstrpbrk_#t~short6#1 := 0 != cstrpbrk_#t~mem4#1;" "assume cstrpbrk_#t~short6#1;call cstrpbrk_#t~mem5#1 := read~int#1(cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset, 1);cstrpbrk_#t~short6#1 := cstrpbrk_#t~mem5#1 != (if cstrpbrk_~c~0#1 % 256 <= 127 then cstrpbrk_~c~0#1 % 256 else cstrpbrk_~c~0#1 % 256 - 256);" "assume !cstrpbrk_#t~short6#1;havoc cstrpbrk_#t~mem4#1;havoc cstrpbrk_#t~mem5#1;havoc cstrpbrk_#t~short6#1;" "call cstrpbrk_#t~mem8#1 := read~int#1(cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset, 1);" "assume !(cstrpbrk_#t~mem8#1 != cstrpbrk_~c~0#1);havoc cstrpbrk_#t~mem8#1;cstrpbrk_#t~post9#1.base, cstrpbrk_#t~post9#1.offset := cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset;cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset := cstrpbrk_#t~post9#1.base, 1 + cstrpbrk_#t~post9#1.offset;havoc cstrpbrk_#t~post9#1.base, cstrpbrk_#t~post9#1.offset;" [2024-11-27 20:06:04,869 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:06:04,869 INFO L85 PathProgramCache]: Analyzing trace with hash -199471398, now seen corresponding path program 2 times [2024-11-27 20:06:04,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 20:06:04,869 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1176052701] [2024-11-27 20:06:04,869 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:06:04,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:06:04,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:06:04,895 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 20:06:04,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:06:04,916 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 20:06:04,917 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:06:04,917 INFO L85 PathProgramCache]: Analyzing trace with hash 1527188085, now seen corresponding path program 3 times [2024-11-27 20:06:04,917 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 20:06:04,917 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1900818954] [2024-11-27 20:06:04,917 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:06:04,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:06:04,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:06:04,924 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 20:06:04,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:06:04,933 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 20:06:04,933 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:06:04,933 INFO L85 PathProgramCache]: Analyzing trace with hash -84447154, now seen corresponding path program 1 times [2024-11-27 20:06:04,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 20:06:04,935 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1086854726] [2024-11-27 20:06:04,935 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:06:04,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:06:04,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:06:04,984 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 20:06:05,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:06:05,015 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 20:06:06,260 INFO L204 LassoAnalysis]: Preferences: [2024-11-27 20:06:06,260 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-27 20:06:06,260 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-27 20:06:06,260 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-27 20:06:06,260 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-27 20:06:06,260 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:06:06,260 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-27 20:06:06,260 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-27 20:06:06,260 INFO L132 ssoRankerPreferences]: Filename of dumped script: cstrpbrk-alloca-2.i_Iteration7_Lasso [2024-11-27 20:06:06,261 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-27 20:06:06,261 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-27 20:06:06,264 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:06,273 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:06,275 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:06,277 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:06,280 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:06,282 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:06,284 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:06,286 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:06,289 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:06,291 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:06,294 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:06,297 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:06,299 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:06,301 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:06,304 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:06,306 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:06,308 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:06,311 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:06,313 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:06,315 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:06,322 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:06,324 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:06,731 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:06,734 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:06,736 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:06,738 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:06,741 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:06,743 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:06,745 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:06,749 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:06,753 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:06,757 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:06,762 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:06,765 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:06,768 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:06,771 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:06,773 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:06,776 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:07,395 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-27 20:06:07,395 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-27 20:06:07,396 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:06:07,396 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:06:07,403 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:06:07,405 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2024-11-27 20:06:07,406 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 [2024-11-27 20:06:07,422 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 20:06:07,422 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 20:06:07,422 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 20:06:07,422 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 20:06:07,422 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 20:06:07,424 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 20:06:07,424 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 20:06:07,425 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 20:06:07,435 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2024-11-27 20:06:07,436 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:06:07,436 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:06:07,438 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:06:07,442 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2024-11-27 20:06:07,442 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 [2024-11-27 20:06:07,458 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 20:06:07,458 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 20:06:07,458 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 20:06:07,458 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 20:06:07,458 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 20:06:07,459 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 20:06:07,459 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 20:06:07,461 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 20:06:07,472 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2024-11-27 20:06:07,472 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:06:07,472 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:06:07,475 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:06:07,478 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2024-11-27 20:06:07,479 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 [2024-11-27 20:06:07,495 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 20:06:07,495 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 20:06:07,495 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 20:06:07,495 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 20:06:07,495 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 20:06:07,496 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 20:06:07,496 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 20:06:07,498 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 20:06:07,508 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2024-11-27 20:06:07,508 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:06:07,508 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:06:07,511 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:06:07,514 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2024-11-27 20:06:07,516 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 [2024-11-27 20:06:07,532 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 20:06:07,533 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 20:06:07,533 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 20:06:07,533 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 20:06:07,533 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 20:06:07,533 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 20:06:07,533 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 20:06:07,536 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 20:06:07,546 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2024-11-27 20:06:07,547 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:06:07,547 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:06:07,550 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:06:07,553 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2024-11-27 20:06:07,556 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 [2024-11-27 20:06:07,571 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 20:06:07,572 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 20:06:07,572 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 20:06:07,572 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 20:06:07,572 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 20:06:07,572 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 20:06:07,573 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 20:06:07,576 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 20:06:07,586 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2024-11-27 20:06:07,587 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:06:07,587 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:06:07,589 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:06:07,592 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2024-11-27 20:06:07,594 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 [2024-11-27 20:06:07,609 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 20:06:07,609 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 20:06:07,610 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 20:06:07,610 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 20:06:07,610 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 20:06:07,610 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 20:06:07,610 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 20:06:07,612 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 20:06:07,622 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2024-11-27 20:06:07,622 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:06:07,622 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:06:07,626 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:06:07,629 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2024-11-27 20:06:07,630 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 [2024-11-27 20:06:07,645 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 20:06:07,645 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 20:06:07,645 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 20:06:07,645 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 20:06:07,645 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 20:06:07,645 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 20:06:07,646 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 20:06:07,650 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 20:06:07,659 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2024-11-27 20:06:07,660 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:06:07,660 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:06:07,662 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:06:07,666 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2024-11-27 20:06:07,667 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 [2024-11-27 20:06:07,681 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 20:06:07,682 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 20:06:07,682 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 20:06:07,682 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 20:06:07,682 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 20:06:07,682 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 20:06:07,682 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 20:06:07,684 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 20:06:07,694 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2024-11-27 20:06:07,695 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:06:07,695 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:06:07,697 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:06:07,700 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2024-11-27 20:06:07,701 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 [2024-11-27 20:06:07,717 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 20:06:07,717 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 20:06:07,717 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 20:06:07,717 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 20:06:07,717 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 20:06:07,718 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 20:06:07,718 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 20:06:07,723 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 20:06:07,733 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2024-11-27 20:06:07,733 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:06:07,734 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:06:07,736 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:06:07,741 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2024-11-27 20:06:07,742 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 [2024-11-27 20:06:07,756 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 20:06:07,757 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 20:06:07,757 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 20:06:07,757 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 20:06:07,758 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 20:06:07,758 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 20:06:07,762 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 20:06:07,770 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2024-11-27 20:06:07,770 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:06:07,770 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:06:07,772 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:06:07,774 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2024-11-27 20:06:07,776 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 [2024-11-27 20:06:07,788 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 20:06:07,788 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 20:06:07,788 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 20:06:07,788 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 20:06:07,788 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 20:06:07,789 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 20:06:07,789 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 20:06:07,791 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 20:06:07,800 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2024-11-27 20:06:07,801 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:06:07,801 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:06:07,802 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:06:07,804 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2024-11-27 20:06:07,805 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 [2024-11-27 20:06:07,816 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 20:06:07,816 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 20:06:07,817 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 20:06:07,817 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 20:06:07,817 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 20:06:07,817 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 20:06:07,817 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 20:06:07,819 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 20:06:07,828 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2024-11-27 20:06:07,828 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:06:07,828 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:06:07,830 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:06:07,832 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2024-11-27 20:06:07,833 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 [2024-11-27 20:06:07,846 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 20:06:07,846 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 20:06:07,847 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 20:06:07,847 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 20:06:07,847 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 20:06:07,847 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 20:06:07,847 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 20:06:07,850 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 20:06:07,860 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2024-11-27 20:06:07,860 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:06:07,861 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:06:07,862 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:06:07,864 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2024-11-27 20:06:07,865 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 20:06:07,877 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 20:06:07,877 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 20:06:07,877 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 20:06:07,878 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 20:06:07,878 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 20:06:07,878 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 20:06:07,879 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 20:06:07,881 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 20:06:07,891 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Ended with exit code 0 [2024-11-27 20:06:07,892 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:06:07,892 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:06:07,894 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:06:07,895 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2024-11-27 20:06:07,897 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 [2024-11-27 20:06:07,909 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 20:06:07,909 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 20:06:07,909 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 20:06:07,909 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 20:06:07,909 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 20:06:07,909 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 20:06:07,909 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 20:06:07,911 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 20:06:07,921 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2024-11-27 20:06:07,922 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:06:07,922 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:06:07,926 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:06:07,928 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2024-11-27 20:06:07,929 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 [2024-11-27 20:06:07,945 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 20:06:07,945 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 20:06:07,945 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 20:06:07,945 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 20:06:07,945 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 20:06:07,949 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 20:06:07,949 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 20:06:07,951 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 20:06:07,962 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2024-11-27 20:06:07,962 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:06:07,962 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:06:07,964 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:06:07,965 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2024-11-27 20:06:07,966 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 [2024-11-27 20:06:07,979 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 20:06:07,979 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 20:06:07,979 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 20:06:07,979 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 20:06:07,979 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 20:06:07,979 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 20:06:07,979 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 20:06:07,981 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 20:06:07,987 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Ended with exit code 0 [2024-11-27 20:06:07,987 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:06:07,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:06:07,989 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:06:07,990 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2024-11-27 20:06:07,992 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 [2024-11-27 20:06:08,004 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 20:06:08,004 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 20:06:08,004 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 20:06:08,004 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 20:06:08,004 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 20:06:08,005 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 20:06:08,005 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 20:06:08,006 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 20:06:08,012 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Ended with exit code 0 [2024-11-27 20:06:08,013 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:06:08,013 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:06:08,017 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:06:08,019 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2024-11-27 20:06:08,020 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 [2024-11-27 20:06:08,031 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 20:06:08,031 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 20:06:08,031 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 20:06:08,032 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 20:06:08,032 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 20:06:08,032 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 20:06:08,032 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 20:06:08,035 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 20:06:08,044 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Ended with exit code 0 [2024-11-27 20:06:08,044 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:06:08,044 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:06:08,046 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:06:08,047 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2024-11-27 20:06:08,048 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 [2024-11-27 20:06:08,059 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 20:06:08,059 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 20:06:08,059 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 20:06:08,059 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 20:06:08,061 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 20:06:08,061 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 20:06:08,064 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 20:06:08,069 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Forceful destruction successful, exit code 0 [2024-11-27 20:06:08,070 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:06:08,070 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:06:08,071 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:06:08,074 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2024-11-27 20:06:08,075 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 [2024-11-27 20:06:08,088 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 20:06:08,088 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 20:06:08,088 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 20:06:08,088 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 20:06:08,088 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 20:06:08,089 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 20:06:08,089 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 20:06:08,090 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 20:06:08,096 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Ended with exit code 0 [2024-11-27 20:06:08,096 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:06:08,097 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:06:08,098 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:06:08,099 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2024-11-27 20:06:08,101 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 20:06:08,116 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 20:06:08,116 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 20:06:08,116 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 20:06:08,116 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 20:06:08,120 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 20:06:08,120 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 20:06:08,127 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 20:06:08,137 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Ended with exit code 0 [2024-11-27 20:06:08,138 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:06:08,138 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:06:08,141 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:06:08,145 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 [2024-11-27 20:06:08,149 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2024-11-27 20:06:08,160 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 20:06:08,160 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 20:06:08,160 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 20:06:08,160 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 20:06:08,161 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 20:06:08,161 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 20:06:08,165 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 20:06:08,170 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Forceful destruction successful, exit code 0 [2024-11-27 20:06:08,171 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:06:08,171 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:06:08,172 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:06:08,173 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2024-11-27 20:06:08,175 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 [2024-11-27 20:06:08,186 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 20:06:08,186 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 20:06:08,186 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 20:06:08,186 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 20:06:08,188 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 20:06:08,188 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 20:06:08,192 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 20:06:08,198 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Forceful destruction successful, exit code 0 [2024-11-27 20:06:08,198 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:06:08,198 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:06:08,200 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:06:08,201 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2024-11-27 20:06:08,202 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 [2024-11-27 20:06:08,213 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 20:06:08,214 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 20:06:08,214 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 20:06:08,214 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 20:06:08,219 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 20:06:08,219 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 20:06:08,232 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-27 20:06:08,260 INFO L443 ModelExtractionUtils]: Simplification made 14 calls to the SMT solver. [2024-11-27 20:06:08,260 INFO L444 ModelExtractionUtils]: 2 out of 13 variables were initially zero. Simplification set additionally 8 variables to zero. [2024-11-27 20:06:08,260 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:06:08,260 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:06:08,262 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:06:08,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2024-11-27 20:06:08,265 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-27 20:06:08,277 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-11-27 20:06:08,277 INFO L474 LassoAnalysis]: Proved termination. [2024-11-27 20:06:08,277 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrpbrk_~sc1~0#1.offset, v_rep(select #length ULTIMATE.start_cstrpbrk_~sc1~0#1.base)_1) = -1*ULTIMATE.start_cstrpbrk_~sc1~0#1.offset + 1*v_rep(select #length ULTIMATE.start_cstrpbrk_~sc1~0#1.base)_1 Supporting invariants [] [2024-11-27 20:06:08,286 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Ended with exit code 0 [2024-11-27 20:06:08,326 INFO L156 tatePredicateManager]: 11 out of 11 supporting invariants were superfluous and have been removed [2024-11-27 20:06:08,327 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~sc1~0!offset [2024-11-27 20:06:08,327 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-27 20:06:08,328 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-27 20:06:08,341 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:06:08,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:06:08,385 INFO L256 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-27 20:06:08,385 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:06:08,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:06:08,423 INFO L256 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-27 20:06:08,423 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:06:08,473 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:06:08,473 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2024-11-27 20:06:08,473 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 22 states and 26 transitions. cyclomatic complexity: 7 Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:06:08,508 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 22 states and 26 transitions. cyclomatic complexity: 7. Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 31 states and 37 transitions. Complement of second has 4 states. [2024-11-27 20:06:08,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-27 20:06:08,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:06:08,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 24 transitions. [2024-11-27 20:06:08,512 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 24 transitions. Stem has 13 letters. Loop has 8 letters. [2024-11-27 20:06:08,512 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 20:06:08,512 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 24 transitions. Stem has 21 letters. Loop has 8 letters. [2024-11-27 20:06:08,512 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 20:06:08,512 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 24 transitions. Stem has 13 letters. Loop has 16 letters. [2024-11-27 20:06:08,513 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 20:06:08,513 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 31 states and 37 transitions. [2024-11-27 20:06:08,513 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-11-27 20:06:08,513 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 31 states to 29 states and 35 transitions. [2024-11-27 20:06:08,514 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2024-11-27 20:06:08,514 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 [2024-11-27 20:06:08,514 INFO L73 IsDeterministic]: Start isDeterministic. Operand 29 states and 35 transitions. [2024-11-27 20:06:08,514 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-27 20:06:08,514 INFO L218 hiAutomatonCegarLoop]: Abstraction has 29 states and 35 transitions. [2024-11-27 20:06:08,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states and 35 transitions. [2024-11-27 20:06:08,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2024-11-27 20:06:08,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 29 states have (on average 1.206896551724138) internal successors, (35), 28 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) [2024-11-27 20:06:08,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 35 transitions. [2024-11-27 20:06:08,518 INFO L240 hiAutomatonCegarLoop]: Abstraction has 29 states and 35 transitions. [2024-11-27 20:06:08,518 INFO L425 stractBuchiCegarLoop]: Abstraction has 29 states and 35 transitions. [2024-11-27 20:06:08,518 INFO L332 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2024-11-27 20:06:08,519 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 29 states and 35 transitions. [2024-11-27 20:06:08,519 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-11-27 20:06:08,519 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-27 20:06:08,519 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-27 20:06:08,519 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:06:08,519 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-27 20:06:08,520 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet10#1, main_#t~nondet11#1, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~nondet14#1, main_#t~post15#1, main_~i~0#1, main_#t~nondet16#1, main_#t~post17#1, main_~i~1#1, main_#t~ret18#1.base, main_#t~ret18#1.offset, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc main_#t~nondet10#1;main_~length1~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;havoc main_#t~nondet11#1;main_~length2~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;" "assume !(main_~length1~0#1 < 1);" "assume !(main_~length2~0#1 < 1);" "call main_#t~malloc12#1.base, main_#t~malloc12#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc12#1.base, main_#t~malloc12#1.offset;call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;main_~i~0#1 := 0;" "assume main_~i~0#1 < main_~length1~0#1 - 1;" "havoc main_#t~nondet14#1;call write~int#0(main_#t~nondet14#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet14#1;main_#t~post15#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post15#1;havoc main_#t~post15#1;" "assume !(main_~i~0#1 < main_~length1~0#1 - 1);" "havoc main_~i~0#1;main_~i~1#1 := 0;" "assume main_~i~1#1 < main_~length2~0#1 - 1;" "havoc main_#t~nondet16#1;call write~int#1(main_#t~nondet16#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet16#1;main_#t~post17#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post17#1;havoc main_#t~post17#1;" "assume !(main_~i~1#1 < main_~length2~0#1 - 1);" "havoc main_~i~1#1;call write~int#0(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int#1(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrpbrk } true;cstrpbrk_#in~s1#1.base, cstrpbrk_#in~s1#1.offset, cstrpbrk_#in~s2#1.base, cstrpbrk_#in~s2#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrpbrk_#res#1.base, cstrpbrk_#res#1.offset;havoc cstrpbrk_#t~mem2#1, cstrpbrk_#t~mem3#1, cstrpbrk_#t~mem4#1, cstrpbrk_#t~mem5#1, cstrpbrk_#t~short6#1, cstrpbrk_#t~post7#1.base, cstrpbrk_#t~post7#1.offset, cstrpbrk_#t~mem8#1, cstrpbrk_#t~post9#1.base, cstrpbrk_#t~post9#1.offset, cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset, cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset, cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset, cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset, cstrpbrk_~c~0#1;cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset := cstrpbrk_#in~s1#1.base, cstrpbrk_#in~s1#1.offset;cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset := cstrpbrk_#in~s2#1.base, cstrpbrk_#in~s2#1.offset;havoc cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset;havoc cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset;havoc cstrpbrk_~c~0#1;cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset := cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset;" "call cstrpbrk_#t~mem2#1 := read~int#0(cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset, 1);" "assume 0 != cstrpbrk_#t~mem2#1;havoc cstrpbrk_#t~mem2#1;" "cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset := cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset;call cstrpbrk_#t~mem3#1 := read~int#0(cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset, 1);cstrpbrk_~c~0#1 := cstrpbrk_#t~mem3#1;havoc cstrpbrk_#t~mem3#1;" [2024-11-27 20:06:08,520 INFO L749 eck$LassoCheckResult]: Loop: "call cstrpbrk_#t~mem4#1 := read~int#1(cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset, 1);cstrpbrk_#t~short6#1 := 0 != cstrpbrk_#t~mem4#1;" "assume cstrpbrk_#t~short6#1;call cstrpbrk_#t~mem5#1 := read~int#1(cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset, 1);cstrpbrk_#t~short6#1 := cstrpbrk_#t~mem5#1 != (if cstrpbrk_~c~0#1 % 256 <= 127 then cstrpbrk_~c~0#1 % 256 else cstrpbrk_~c~0#1 % 256 - 256);" "assume cstrpbrk_#t~short6#1;havoc cstrpbrk_#t~mem4#1;havoc cstrpbrk_#t~mem5#1;havoc cstrpbrk_#t~short6#1;" "cstrpbrk_#t~post7#1.base, cstrpbrk_#t~post7#1.offset := cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset;cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset := cstrpbrk_#t~post7#1.base, 1 + cstrpbrk_#t~post7#1.offset;" [2024-11-27 20:06:08,520 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:06:08,520 INFO L85 PathProgramCache]: Analyzing trace with hash 1782366617, now seen corresponding path program 1 times [2024-11-27 20:06:08,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 20:06:08,521 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [10389476] [2024-11-27 20:06:08,521 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:06:08,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:06:08,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:06:08,547 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 20:06:08,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:06:08,568 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 20:06:08,568 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:06:08,568 INFO L85 PathProgramCache]: Analyzing trace with hash 2712168, now seen corresponding path program 1 times [2024-11-27 20:06:08,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 20:06:08,569 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [555858857] [2024-11-27 20:06:08,569 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:06:08,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:06:08,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:06:08,581 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 20:06:08,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:06:08,590 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 20:06:08,590 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:06:08,590 INFO L85 PathProgramCache]: Analyzing trace with hash -1803839488, now seen corresponding path program 1 times [2024-11-27 20:06:08,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 20:06:08,590 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [967469279] [2024-11-27 20:06:08,590 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:06:08,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:06:08,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:06:08,619 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 20:06:08,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:06:08,654 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 20:06:08,993 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Ended with exit code 0 [2024-11-27 20:06:09,946 INFO L204 LassoAnalysis]: Preferences: [2024-11-27 20:06:09,946 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-27 20:06:09,946 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-27 20:06:09,946 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-27 20:06:09,946 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-27 20:06:09,946 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:06:09,946 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-27 20:06:09,946 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-27 20:06:09,946 INFO L132 ssoRankerPreferences]: Filename of dumped script: cstrpbrk-alloca-2.i_Iteration8_Lasso [2024-11-27 20:06:09,947 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-27 20:06:09,947 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-27 20:06:09,949 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:09,952 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:09,955 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:09,957 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:09,959 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:10,268 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:10,270 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:10,271 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:10,273 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:10,275 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:10,277 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:10,280 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:10,281 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:10,286 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:10,290 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:10,292 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:10,294 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:10,296 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:10,302 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:10,304 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:10,306 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:10,308 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:10,311 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:10,313 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:10,315 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:10,317 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:10,320 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:10,323 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:10,325 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:10,327 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:10,330 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:10,337 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:10,339 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:10,341 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:10,344 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:10,347 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:10,933 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-27 20:06:10,933 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-27 20:06:10,934 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:06:10,934 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:06:10,939 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:06:10,942 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2024-11-27 20:06:10,943 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 20:06:10,954 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 20:06:10,954 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 20:06:10,955 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 20:06:10,955 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 20:06:10,955 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 20:06:10,955 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 20:06:10,955 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 20:06:10,956 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 20:06:10,963 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Ended with exit code 0 [2024-11-27 20:06:10,964 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:06:10,964 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:06:10,965 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:06:10,967 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2024-11-27 20:06:10,968 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 [2024-11-27 20:06:10,980 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 20:06:10,980 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 20:06:10,980 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 20:06:10,981 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 20:06:10,981 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 20:06:10,981 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 20:06:10,981 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 20:06:10,982 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 20:06:10,989 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Ended with exit code 0 [2024-11-27 20:06:10,989 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:06:10,989 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:06:10,992 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:06:10,993 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2024-11-27 20:06:10,994 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 [2024-11-27 20:06:11,006 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 20:06:11,006 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 20:06:11,006 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 20:06:11,006 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 20:06:11,006 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 20:06:11,007 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 20:06:11,007 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 20:06:11,008 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 20:06:11,015 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Ended with exit code 0 [2024-11-27 20:06:11,015 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:06:11,015 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:06:11,017 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:06:11,019 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2024-11-27 20:06:11,019 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 [2024-11-27 20:06:11,032 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 20:06:11,032 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 20:06:11,032 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 20:06:11,032 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 20:06:11,032 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 20:06:11,032 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 20:06:11,033 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 20:06:11,034 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 20:06:11,040 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Forceful destruction successful, exit code 0 [2024-11-27 20:06:11,041 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:06:11,041 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:06:11,043 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:06:11,045 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2024-11-27 20:06:11,046 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 [2024-11-27 20:06:11,058 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 20:06:11,058 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 20:06:11,058 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 20:06:11,058 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 20:06:11,059 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 20:06:11,059 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 20:06:11,063 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 20:06:11,069 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Ended with exit code 0 [2024-11-27 20:06:11,069 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:06:11,070 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:06:11,071 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:06:11,072 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2024-11-27 20:06:11,074 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 [2024-11-27 20:06:11,086 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 20:06:11,086 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 20:06:11,086 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 20:06:11,086 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 20:06:11,088 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 20:06:11,088 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 20:06:11,095 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 20:06:11,104 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Ended with exit code 0 [2024-11-27 20:06:11,104 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:06:11,104 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:06:11,110 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:06:11,111 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2024-11-27 20:06:11,112 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 [2024-11-27 20:06:11,125 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 20:06:11,125 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 20:06:11,125 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 20:06:11,125 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 20:06:11,128 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 20:06:11,128 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 20:06:11,139 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 20:06:11,147 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Ended with exit code 0 [2024-11-27 20:06:11,148 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:06:11,148 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:06:11,149 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:06:11,152 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2024-11-27 20:06:11,153 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 [2024-11-27 20:06:11,165 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 20:06:11,165 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 20:06:11,165 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 20:06:11,165 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 20:06:11,169 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 20:06:11,169 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 20:06:11,177 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-27 20:06:11,205 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2024-11-27 20:06:11,205 INFO L444 ModelExtractionUtils]: 1 out of 13 variables were initially zero. Simplification set additionally 9 variables to zero. [2024-11-27 20:06:11,205 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:06:11,205 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:06:11,207 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:06:11,208 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2024-11-27 20:06:11,209 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-27 20:06:11,221 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-11-27 20:06:11,221 INFO L474 LassoAnalysis]: Proved termination. [2024-11-27 20:06:11,221 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrpbrk_~s~0#1.offset, v_rep(select #length ULTIMATE.start_main_#t~malloc13#1.base)_4) = -1*ULTIMATE.start_cstrpbrk_~s~0#1.offset + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc13#1.base)_4 Supporting invariants [] [2024-11-27 20:06:11,229 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Ended with exit code 0 [2024-11-27 20:06:11,260 INFO L156 tatePredicateManager]: 10 out of 11 supporting invariants were superfluous and have been removed [2024-11-27 20:06:11,262 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~s~0!offset [2024-11-27 20:06:11,262 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-27 20:06:11,262 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-27 20:06:11,282 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:06:11,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:06:11,316 INFO L256 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-27 20:06:11,318 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:06:11,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:06:11,399 INFO L256 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-27 20:06:11,400 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:06:11,438 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:06:11,439 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.3 stem predicates 2 loop predicates [2024-11-27 20:06:11,439 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 29 states and 35 transitions. cyclomatic complexity: 10 Second operand has 5 states, 5 states have (on average 4.0) internal successors, (20), 5 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:06:11,504 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 29 states and 35 transitions. cyclomatic complexity: 10. Second operand has 5 states, 5 states have (on average 4.0) internal successors, (20), 5 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 50 states and 58 transitions. Complement of second has 7 states. [2024-11-27 20:06:11,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 3 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-27 20:06:11,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 4.0) internal successors, (20), 5 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:06:11,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 22 transitions. [2024-11-27 20:06:11,506 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 22 transitions. Stem has 16 letters. Loop has 4 letters. [2024-11-27 20:06:11,506 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 20:06:11,506 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 22 transitions. Stem has 20 letters. Loop has 4 letters. [2024-11-27 20:06:11,506 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 20:06:11,506 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 22 transitions. Stem has 16 letters. Loop has 8 letters. [2024-11-27 20:06:11,506 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 20:06:11,506 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 50 states and 58 transitions. [2024-11-27 20:06:11,507 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-11-27 20:06:11,508 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 50 states to 38 states and 44 transitions. [2024-11-27 20:06:11,508 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2024-11-27 20:06:11,508 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 [2024-11-27 20:06:11,508 INFO L73 IsDeterministic]: Start isDeterministic. Operand 38 states and 44 transitions. [2024-11-27 20:06:11,508 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-27 20:06:11,508 INFO L218 hiAutomatonCegarLoop]: Abstraction has 38 states and 44 transitions. [2024-11-27 20:06:11,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states and 44 transitions. [2024-11-27 20:06:11,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 37. [2024-11-27 20:06:11,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 37 states have (on average 1.162162162162162) internal successors, (43), 36 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:06:11,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 43 transitions. [2024-11-27 20:06:11,514 INFO L240 hiAutomatonCegarLoop]: Abstraction has 37 states and 43 transitions. [2024-11-27 20:06:11,514 INFO L425 stractBuchiCegarLoop]: Abstraction has 37 states and 43 transitions. [2024-11-27 20:06:11,514 INFO L332 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2024-11-27 20:06:11,515 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 37 states and 43 transitions. [2024-11-27 20:06:11,515 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-11-27 20:06:11,515 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-27 20:06:11,515 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-27 20:06:11,516 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:06:11,516 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-27 20:06:11,516 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet10#1, main_#t~nondet11#1, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~nondet14#1, main_#t~post15#1, main_~i~0#1, main_#t~nondet16#1, main_#t~post17#1, main_~i~1#1, main_#t~ret18#1.base, main_#t~ret18#1.offset, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc main_#t~nondet10#1;main_~length1~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;havoc main_#t~nondet11#1;main_~length2~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;" "assume !(main_~length1~0#1 < 1);" "assume !(main_~length2~0#1 < 1);" "call main_#t~malloc12#1.base, main_#t~malloc12#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc12#1.base, main_#t~malloc12#1.offset;call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;main_~i~0#1 := 0;" "assume main_~i~0#1 < main_~length1~0#1 - 1;" "havoc main_#t~nondet14#1;call write~int#0(main_#t~nondet14#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet14#1;main_#t~post15#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post15#1;havoc main_#t~post15#1;" "assume !(main_~i~0#1 < main_~length1~0#1 - 1);" "havoc main_~i~0#1;main_~i~1#1 := 0;" "assume main_~i~1#1 < main_~length2~0#1 - 1;" "havoc main_#t~nondet16#1;call write~int#1(main_#t~nondet16#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet16#1;main_#t~post17#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post17#1;havoc main_#t~post17#1;" "assume !(main_~i~1#1 < main_~length2~0#1 - 1);" "havoc main_~i~1#1;call write~int#0(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int#1(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrpbrk } true;cstrpbrk_#in~s1#1.base, cstrpbrk_#in~s1#1.offset, cstrpbrk_#in~s2#1.base, cstrpbrk_#in~s2#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrpbrk_#res#1.base, cstrpbrk_#res#1.offset;havoc cstrpbrk_#t~mem2#1, cstrpbrk_#t~mem3#1, cstrpbrk_#t~mem4#1, cstrpbrk_#t~mem5#1, cstrpbrk_#t~short6#1, cstrpbrk_#t~post7#1.base, cstrpbrk_#t~post7#1.offset, cstrpbrk_#t~mem8#1, cstrpbrk_#t~post9#1.base, cstrpbrk_#t~post9#1.offset, cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset, cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset, cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset, cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset, cstrpbrk_~c~0#1;cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset := cstrpbrk_#in~s1#1.base, cstrpbrk_#in~s1#1.offset;cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset := cstrpbrk_#in~s2#1.base, cstrpbrk_#in~s2#1.offset;havoc cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset;havoc cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset;havoc cstrpbrk_~c~0#1;cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset := cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset;" "call cstrpbrk_#t~mem2#1 := read~int#0(cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset, 1);" "assume 0 != cstrpbrk_#t~mem2#1;havoc cstrpbrk_#t~mem2#1;" "cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset := cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset;call cstrpbrk_#t~mem3#1 := read~int#0(cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset, 1);cstrpbrk_~c~0#1 := cstrpbrk_#t~mem3#1;havoc cstrpbrk_#t~mem3#1;" "call cstrpbrk_#t~mem4#1 := read~int#1(cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset, 1);cstrpbrk_#t~short6#1 := 0 != cstrpbrk_#t~mem4#1;" "assume cstrpbrk_#t~short6#1;call cstrpbrk_#t~mem5#1 := read~int#1(cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset, 1);cstrpbrk_#t~short6#1 := cstrpbrk_#t~mem5#1 != (if cstrpbrk_~c~0#1 % 256 <= 127 then cstrpbrk_~c~0#1 % 256 else cstrpbrk_~c~0#1 % 256 - 256);" "assume !cstrpbrk_#t~short6#1;havoc cstrpbrk_#t~mem4#1;havoc cstrpbrk_#t~mem5#1;havoc cstrpbrk_#t~short6#1;" "call cstrpbrk_#t~mem8#1 := read~int#1(cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset, 1);" "assume !(cstrpbrk_#t~mem8#1 != cstrpbrk_~c~0#1);havoc cstrpbrk_#t~mem8#1;cstrpbrk_#t~post9#1.base, cstrpbrk_#t~post9#1.offset := cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset;cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset := cstrpbrk_#t~post9#1.base, 1 + cstrpbrk_#t~post9#1.offset;havoc cstrpbrk_#t~post9#1.base, cstrpbrk_#t~post9#1.offset;" "call cstrpbrk_#t~mem2#1 := read~int#0(cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset, 1);" "assume 0 != cstrpbrk_#t~mem2#1;havoc cstrpbrk_#t~mem2#1;" "cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset := cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset;call cstrpbrk_#t~mem3#1 := read~int#0(cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset, 1);cstrpbrk_~c~0#1 := cstrpbrk_#t~mem3#1;havoc cstrpbrk_#t~mem3#1;" [2024-11-27 20:06:11,517 INFO L749 eck$LassoCheckResult]: Loop: "call cstrpbrk_#t~mem4#1 := read~int#1(cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset, 1);cstrpbrk_#t~short6#1 := 0 != cstrpbrk_#t~mem4#1;" "assume cstrpbrk_#t~short6#1;call cstrpbrk_#t~mem5#1 := read~int#1(cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset, 1);cstrpbrk_#t~short6#1 := cstrpbrk_#t~mem5#1 != (if cstrpbrk_~c~0#1 % 256 <= 127 then cstrpbrk_~c~0#1 % 256 else cstrpbrk_~c~0#1 % 256 - 256);" "assume cstrpbrk_#t~short6#1;havoc cstrpbrk_#t~mem4#1;havoc cstrpbrk_#t~mem5#1;havoc cstrpbrk_#t~short6#1;" "cstrpbrk_#t~post7#1.base, cstrpbrk_#t~post7#1.offset := cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset;cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset := cstrpbrk_#t~post7#1.base, 1 + cstrpbrk_#t~post7#1.offset;" [2024-11-27 20:06:11,517 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:06:11,517 INFO L85 PathProgramCache]: Analyzing trace with hash 1085717413, now seen corresponding path program 2 times [2024-11-27 20:06:11,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 20:06:11,517 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1012884027] [2024-11-27 20:06:11,517 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:06:11,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:06:11,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:06:11,628 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Ended with exit code 0 [2024-11-27 20:06:12,000 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-27 20:06:12,000 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1012884027] [2024-11-27 20:06:12,000 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1012884027] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:06:12,000 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1691137612] [2024-11-27 20:06:12,001 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:06:12,001 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:06:12,001 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:06:12,003 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:06:12,007 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (70)] Waiting until timeout for monitored process [2024-11-27 20:06:12,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:06:12,118 INFO L256 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-27 20:06:12,123 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:06:12,206 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2024-11-27 20:06:12,271 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:06:12,301 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 13 [2024-11-27 20:06:12,303 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 16 treesize of output 12 [2024-11-27 20:06:12,375 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1691137612] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 20:06:12,375 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 20:06:12,375 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2024-11-27 20:06:12,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [615460742] [2024-11-27 20:06:12,375 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 20:06:12,376 INFO L752 eck$LassoCheckResult]: stem already infeasible [2024-11-27 20:06:12,376 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:06:12,376 INFO L85 PathProgramCache]: Analyzing trace with hash 2712168, now seen corresponding path program 2 times [2024-11-27 20:06:12,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 20:06:12,376 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [376824409] [2024-11-27 20:06:12,376 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:06:12,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:06:12,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:06:12,382 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 20:06:12,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:06:12,387 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 20:06:12,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-27 20:06:12,545 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-27 20:06:12,545 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=251, Unknown=0, NotChecked=0, Total=306 [2024-11-27 20:06:12,546 INFO L87 Difference]: Start difference. First operand 37 states and 43 transitions. cyclomatic complexity: 11 Second operand has 18 states, 18 states have (on average 2.5555555555555554) internal successors, (46), 18 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:06:12,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:06:12,756 INFO L93 Difference]: Finished difference Result 59 states and 67 transitions. [2024-11-27 20:06:12,756 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 59 states and 67 transitions. [2024-11-27 20:06:12,757 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-11-27 20:06:12,758 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 59 states to 40 states and 46 transitions. [2024-11-27 20:06:12,758 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2024-11-27 20:06:12,758 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 [2024-11-27 20:06:12,758 INFO L73 IsDeterministic]: Start isDeterministic. Operand 40 states and 46 transitions. [2024-11-27 20:06:12,758 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-27 20:06:12,758 INFO L218 hiAutomatonCegarLoop]: Abstraction has 40 states and 46 transitions. [2024-11-27 20:06:12,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states and 46 transitions. [2024-11-27 20:06:12,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 39. [2024-11-27 20:06:12,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 39 states have (on average 1.1538461538461537) internal successors, (45), 38 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:06:12,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 45 transitions. [2024-11-27 20:06:12,761 INFO L240 hiAutomatonCegarLoop]: Abstraction has 39 states and 45 transitions. [2024-11-27 20:06:12,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-27 20:06:12,762 INFO L425 stractBuchiCegarLoop]: Abstraction has 39 states and 45 transitions. [2024-11-27 20:06:12,762 INFO L332 stractBuchiCegarLoop]: ======== Iteration 10 ============ [2024-11-27 20:06:12,762 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 39 states and 45 transitions. [2024-11-27 20:06:12,763 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-11-27 20:06:12,763 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-27 20:06:12,763 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-27 20:06:12,764 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:06:12,764 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-27 20:06:12,764 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet10#1, main_#t~nondet11#1, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~nondet14#1, main_#t~post15#1, main_~i~0#1, main_#t~nondet16#1, main_#t~post17#1, main_~i~1#1, main_#t~ret18#1.base, main_#t~ret18#1.offset, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc main_#t~nondet10#1;main_~length1~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;havoc main_#t~nondet11#1;main_~length2~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;" "assume !(main_~length1~0#1 < 1);" "assume !(main_~length2~0#1 < 1);" "call main_#t~malloc12#1.base, main_#t~malloc12#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc12#1.base, main_#t~malloc12#1.offset;call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;main_~i~0#1 := 0;" "assume main_~i~0#1 < main_~length1~0#1 - 1;" "havoc main_#t~nondet14#1;call write~int#0(main_#t~nondet14#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet14#1;main_#t~post15#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post15#1;havoc main_#t~post15#1;" "assume main_~i~0#1 < main_~length1~0#1 - 1;" "havoc main_#t~nondet14#1;call write~int#0(main_#t~nondet14#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet14#1;main_#t~post15#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post15#1;havoc main_#t~post15#1;" "assume !(main_~i~0#1 < main_~length1~0#1 - 1);" "havoc main_~i~0#1;main_~i~1#1 := 0;" "assume main_~i~1#1 < main_~length2~0#1 - 1;" "havoc main_#t~nondet16#1;call write~int#1(main_#t~nondet16#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet16#1;main_#t~post17#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post17#1;havoc main_#t~post17#1;" "assume !(main_~i~1#1 < main_~length2~0#1 - 1);" "havoc main_~i~1#1;call write~int#0(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int#1(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrpbrk } true;cstrpbrk_#in~s1#1.base, cstrpbrk_#in~s1#1.offset, cstrpbrk_#in~s2#1.base, cstrpbrk_#in~s2#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrpbrk_#res#1.base, cstrpbrk_#res#1.offset;havoc cstrpbrk_#t~mem2#1, cstrpbrk_#t~mem3#1, cstrpbrk_#t~mem4#1, cstrpbrk_#t~mem5#1, cstrpbrk_#t~short6#1, cstrpbrk_#t~post7#1.base, cstrpbrk_#t~post7#1.offset, cstrpbrk_#t~mem8#1, cstrpbrk_#t~post9#1.base, cstrpbrk_#t~post9#1.offset, cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset, cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset, cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset, cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset, cstrpbrk_~c~0#1;cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset := cstrpbrk_#in~s1#1.base, cstrpbrk_#in~s1#1.offset;cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset := cstrpbrk_#in~s2#1.base, cstrpbrk_#in~s2#1.offset;havoc cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset;havoc cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset;havoc cstrpbrk_~c~0#1;cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset := cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset;" "call cstrpbrk_#t~mem2#1 := read~int#0(cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset, 1);" "assume 0 != cstrpbrk_#t~mem2#1;havoc cstrpbrk_#t~mem2#1;" "cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset := cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset;call cstrpbrk_#t~mem3#1 := read~int#0(cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset, 1);cstrpbrk_~c~0#1 := cstrpbrk_#t~mem3#1;havoc cstrpbrk_#t~mem3#1;" "call cstrpbrk_#t~mem4#1 := read~int#1(cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset, 1);cstrpbrk_#t~short6#1 := 0 != cstrpbrk_#t~mem4#1;" "assume cstrpbrk_#t~short6#1;call cstrpbrk_#t~mem5#1 := read~int#1(cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset, 1);cstrpbrk_#t~short6#1 := cstrpbrk_#t~mem5#1 != (if cstrpbrk_~c~0#1 % 256 <= 127 then cstrpbrk_~c~0#1 % 256 else cstrpbrk_~c~0#1 % 256 - 256);" "assume !cstrpbrk_#t~short6#1;havoc cstrpbrk_#t~mem4#1;havoc cstrpbrk_#t~mem5#1;havoc cstrpbrk_#t~short6#1;" "call cstrpbrk_#t~mem8#1 := read~int#1(cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset, 1);" "assume !(cstrpbrk_#t~mem8#1 != cstrpbrk_~c~0#1);havoc cstrpbrk_#t~mem8#1;cstrpbrk_#t~post9#1.base, cstrpbrk_#t~post9#1.offset := cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset;cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset := cstrpbrk_#t~post9#1.base, 1 + cstrpbrk_#t~post9#1.offset;havoc cstrpbrk_#t~post9#1.base, cstrpbrk_#t~post9#1.offset;" "call cstrpbrk_#t~mem2#1 := read~int#0(cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset, 1);" "assume 0 != cstrpbrk_#t~mem2#1;havoc cstrpbrk_#t~mem2#1;" "cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset := cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset;call cstrpbrk_#t~mem3#1 := read~int#0(cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset, 1);cstrpbrk_~c~0#1 := cstrpbrk_#t~mem3#1;havoc cstrpbrk_#t~mem3#1;" [2024-11-27 20:06:12,764 INFO L749 eck$LassoCheckResult]: Loop: "call cstrpbrk_#t~mem4#1 := read~int#1(cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset, 1);cstrpbrk_#t~short6#1 := 0 != cstrpbrk_#t~mem4#1;" "assume cstrpbrk_#t~short6#1;call cstrpbrk_#t~mem5#1 := read~int#1(cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset, 1);cstrpbrk_#t~short6#1 := cstrpbrk_#t~mem5#1 != (if cstrpbrk_~c~0#1 % 256 <= 127 then cstrpbrk_~c~0#1 % 256 else cstrpbrk_~c~0#1 % 256 - 256);" "assume cstrpbrk_#t~short6#1;havoc cstrpbrk_#t~mem4#1;havoc cstrpbrk_#t~mem5#1;havoc cstrpbrk_#t~short6#1;" "cstrpbrk_#t~post7#1.base, cstrpbrk_#t~post7#1.offset := cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset;cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset := cstrpbrk_#t~post7#1.base, 1 + cstrpbrk_#t~post7#1.offset;" [2024-11-27 20:06:12,765 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:06:12,765 INFO L85 PathProgramCache]: Analyzing trace with hash -1213433855, now seen corresponding path program 3 times [2024-11-27 20:06:12,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 20:06:12,765 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1627726650] [2024-11-27 20:06:12,765 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:06:12,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:06:12,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:06:12,790 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 20:06:12,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:06:12,811 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 20:06:12,811 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:06:12,812 INFO L85 PathProgramCache]: Analyzing trace with hash 2712168, now seen corresponding path program 3 times [2024-11-27 20:06:12,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 20:06:12,812 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [89500001] [2024-11-27 20:06:12,812 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:06:12,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:06:12,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:06:12,819 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 20:06:12,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:06:12,823 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 20:06:12,824 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:06:12,824 INFO L85 PathProgramCache]: Analyzing trace with hash -1663444376, now seen corresponding path program 1 times [2024-11-27 20:06:12,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 20:06:12,824 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [143533092] [2024-11-27 20:06:12,824 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:06:12,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:06:12,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:06:12,866 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 20:06:12,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:06:12,906 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 20:06:15,579 INFO L204 LassoAnalysis]: Preferences: [2024-11-27 20:06:15,579 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-27 20:06:15,580 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-27 20:06:15,580 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-27 20:06:15,580 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-27 20:06:15,580 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:06:15,580 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-27 20:06:15,580 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-27 20:06:15,580 INFO L132 ssoRankerPreferences]: Filename of dumped script: cstrpbrk-alloca-2.i_Iteration10_Lasso [2024-11-27 20:06:15,580 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-27 20:06:15,580 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-27 20:06:15,583 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:15,586 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:15,588 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:15,590 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:15,592 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:15,594 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:15,597 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:15,599 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:15,601 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:15,603 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:16,114 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:16,117 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:16,119 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:16,122 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:16,124 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:16,127 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:16,129 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:16,132 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:16,134 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:16,137 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:16,139 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:16,142 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:16,144 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:16,147 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:16,149 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:16,152 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:16,155 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:16,158 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:16,161 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:16,164 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:16,167 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:16,169 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:16,172 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:16,174 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:16,177 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:16,180 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:16,183 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:06:17,436 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-27 20:06:17,436 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-27 20:06:17,436 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:06:17,436 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:06:17,440 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:06:17,443 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2024-11-27 20:06:17,444 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 [2024-11-27 20:06:17,455 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 20:06:17,455 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 20:06:17,455 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 20:06:17,455 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 20:06:17,455 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 20:06:17,456 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 20:06:17,456 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 20:06:17,457 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 20:06:17,466 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Ended with exit code 0 [2024-11-27 20:06:17,467 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:06:17,467 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:06:17,468 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:06:17,469 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2024-11-27 20:06:17,470 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 [2024-11-27 20:06:17,481 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 20:06:17,481 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 20:06:17,482 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 20:06:17,482 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 20:06:17,482 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 20:06:17,482 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 20:06:17,482 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 20:06:17,483 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 20:06:17,489 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Forceful destruction successful, exit code 0 [2024-11-27 20:06:17,489 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:06:17,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:06:17,491 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:06:17,492 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2024-11-27 20:06:17,493 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 [2024-11-27 20:06:17,504 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 20:06:17,505 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 20:06:17,505 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 20:06:17,505 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 20:06:17,505 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 20:06:17,505 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 20:06:17,505 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 20:06:17,506 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 20:06:17,513 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Ended with exit code 0 [2024-11-27 20:06:17,513 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:06:17,513 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:06:17,515 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:06:17,516 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2024-11-27 20:06:17,517 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 [2024-11-27 20:06:17,528 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 20:06:17,528 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 20:06:17,528 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 20:06:17,528 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 20:06:17,528 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 20:06:17,529 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 20:06:17,529 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 20:06:17,530 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 20:06:17,537 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Ended with exit code 0 [2024-11-27 20:06:17,537 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:06:17,537 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:06:17,539 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:06:17,540 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2024-11-27 20:06:17,541 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 [2024-11-27 20:06:17,553 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 20:06:17,553 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 20:06:17,553 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 20:06:17,553 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 20:06:17,553 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 20:06:17,554 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 20:06:17,554 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 20:06:17,555 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 20:06:17,565 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Ended with exit code 0 [2024-11-27 20:06:17,565 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:06:17,565 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:06:17,567 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:06:17,570 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Waiting until timeout for monitored process [2024-11-27 20:06:17,571 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 [2024-11-27 20:06:17,583 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 20:06:17,583 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 20:06:17,583 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 20:06:17,583 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 20:06:17,583 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 20:06:17,583 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 20:06:17,583 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 20:06:17,585 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 20:06:17,591 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Forceful destruction successful, exit code 0 [2024-11-27 20:06:17,591 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:06:17,591 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:06:17,593 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:06:17,594 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Waiting until timeout for monitored process [2024-11-27 20:06:17,595 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 [2024-11-27 20:06:17,607 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 20:06:17,607 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 20:06:17,607 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 20:06:17,607 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 20:06:17,607 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 20:06:17,608 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 20:06:17,608 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 20:06:17,609 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 20:06:17,615 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Forceful destruction successful, exit code 0 [2024-11-27 20:06:17,615 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:06:17,616 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:06:17,617 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:06:17,618 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Waiting until timeout for monitored process [2024-11-27 20:06:17,619 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 [2024-11-27 20:06:17,631 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 20:06:17,631 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 20:06:17,631 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 20:06:17,631 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 20:06:17,631 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 20:06:17,632 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 20:06:17,632 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 20:06:17,633 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 20:06:17,640 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Forceful destruction successful, exit code 0 [2024-11-27 20:06:17,640 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:06:17,640 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:06:17,642 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:06:17,643 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Waiting until timeout for monitored process [2024-11-27 20:06:17,644 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 [2024-11-27 20:06:17,656 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 20:06:17,657 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 20:06:17,657 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 20:06:17,657 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 20:06:17,658 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 20:06:17,658 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 20:06:17,661 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 20:06:17,667 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Ended with exit code 0 [2024-11-27 20:06:17,668 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:06:17,668 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:06:17,669 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:06:17,670 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Waiting until timeout for monitored process [2024-11-27 20:06:17,672 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 [2024-11-27 20:06:17,683 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 20:06:17,684 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 20:06:17,684 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 20:06:17,684 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 20:06:17,687 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 20:06:17,687 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 20:06:17,695 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 20:06:17,705 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Ended with exit code 0 [2024-11-27 20:06:17,706 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:06:17,706 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:06:17,708 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:06:17,711 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Waiting until timeout for monitored process [2024-11-27 20:06:17,712 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 [2024-11-27 20:06:17,728 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 20:06:17,728 INFO L203 nArgumentSynthesizer]: 4 stem disjuncts [2024-11-27 20:06:17,728 INFO L204 nArgumentSynthesizer]: 6 loop disjuncts [2024-11-27 20:06:17,728 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 20:06:17,855 INFO L401 nArgumentSynthesizer]: We have 132 Motzkin's Theorem applications. [2024-11-27 20:06:17,855 INFO L402 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2024-11-27 20:06:18,060 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 20:06:18,068 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Forceful destruction successful, exit code 0 [2024-11-27 20:06:18,069 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:06:18,069 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:06:18,070 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:06:18,074 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Waiting until timeout for monitored process [2024-11-27 20:06:18,084 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 [2024-11-27 20:06:18,112 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 20:06:18,112 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 20:06:18,112 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 20:06:18,112 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 20:06:18,118 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 20:06:18,118 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 20:06:18,135 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-27 20:06:18,160 INFO L443 ModelExtractionUtils]: Simplification made 9 calls to the SMT solver. [2024-11-27 20:06:18,160 INFO L444 ModelExtractionUtils]: 3 out of 13 variables were initially zero. Simplification set additionally 7 variables to zero. [2024-11-27 20:06:18,161 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:06:18,161 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:06:18,166 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:06:18,167 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Waiting until timeout for monitored process [2024-11-27 20:06:18,171 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-27 20:06:18,202 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-11-27 20:06:18,203 INFO L474 LassoAnalysis]: Proved termination. [2024-11-27 20:06:18,203 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrpbrk_~s~0#1.offset, v_rep(select #length ULTIMATE.start_main_#t~malloc13#1.base)_5) = -1*ULTIMATE.start_cstrpbrk_~s~0#1.offset + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc13#1.base)_5 Supporting invariants [] [2024-11-27 20:06:18,217 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Ended with exit code 0 [2024-11-27 20:06:18,254 INFO L156 tatePredicateManager]: 8 out of 9 supporting invariants were superfluous and have been removed [2024-11-27 20:06:18,256 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~s~0!offset [2024-11-27 20:06:18,257 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-27 20:06:18,257 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-27 20:06:18,282 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:06:18,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:06:18,323 INFO L256 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-27 20:06:18,324 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:06:18,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:06:18,437 INFO L256 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-27 20:06:18,438 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:06:18,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:06:18,479 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.3 stem predicates 2 loop predicates [2024-11-27 20:06:18,479 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 39 states and 45 transitions. cyclomatic complexity: 11 Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:06:18,540 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 39 states and 45 transitions. cyclomatic complexity: 11. Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 46 states and 52 transitions. Complement of second has 7 states. [2024-11-27 20:06:18,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 3 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-27 20:06:18,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:06:18,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 22 transitions. [2024-11-27 20:06:18,541 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 22 transitions. Stem has 26 letters. Loop has 4 letters. [2024-11-27 20:06:18,542 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 20:06:18,542 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-27 20:06:18,566 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:06:18,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:06:18,610 INFO L256 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-27 20:06:18,611 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:06:18,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:06:18,723 INFO L256 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-27 20:06:18,724 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:06:18,762 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:06:18,763 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.3 stem predicates 2 loop predicates [2024-11-27 20:06:18,763 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 39 states and 45 transitions. cyclomatic complexity: 11 Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:06:18,821 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 39 states and 45 transitions. cyclomatic complexity: 11. Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 46 states and 52 transitions. Complement of second has 7 states. [2024-11-27 20:06:18,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 3 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-27 20:06:18,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:06:18,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 22 transitions. [2024-11-27 20:06:18,823 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 22 transitions. Stem has 26 letters. Loop has 4 letters. [2024-11-27 20:06:18,823 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 20:06:18,823 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-27 20:06:18,850 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:06:18,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:06:18,895 INFO L256 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-27 20:06:18,896 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:06:19,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:06:19,012 INFO L256 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-27 20:06:19,013 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:06:19,048 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:06:19,048 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.3 stem predicates 2 loop predicates [2024-11-27 20:06:19,048 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 39 states and 45 transitions. cyclomatic complexity: 11 Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:06:19,114 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 39 states and 45 transitions. cyclomatic complexity: 11. Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 52 states and 60 transitions. Complement of second has 6 states. [2024-11-27 20:06:19,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 3 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-27 20:06:19,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:06:19,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 30 transitions. [2024-11-27 20:06:19,116 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 30 transitions. Stem has 26 letters. Loop has 4 letters. [2024-11-27 20:06:19,116 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 20:06:19,116 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 30 transitions. Stem has 30 letters. Loop has 4 letters. [2024-11-27 20:06:19,116 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 20:06:19,116 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 30 transitions. Stem has 26 letters. Loop has 8 letters. [2024-11-27 20:06:19,117 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 20:06:19,117 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 52 states and 60 transitions. [2024-11-27 20:06:19,118 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-27 20:06:19,118 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 52 states to 0 states and 0 transitions. [2024-11-27 20:06:19,118 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-27 20:06:19,118 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-27 20:06:19,118 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-27 20:06:19,118 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-27 20:06:19,118 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-27 20:06:19,119 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-27 20:06:19,119 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-27 20:06:19,119 INFO L332 stractBuchiCegarLoop]: ======== Iteration 11 ============ [2024-11-27 20:06:19,119 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-11-27 20:06:19,119 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-27 20:06:19,119 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-11-27 20:06:19,133 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 27.11 08:06:19 BoogieIcfgContainer [2024-11-27 20:06:19,133 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-27 20:06:19,134 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-27 20:06:19,134 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-27 20:06:19,135 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-27 20:06:19,135 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:05:55" (3/4) ... [2024-11-27 20:06:19,138 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-27 20:06:19,138 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-27 20:06:19,139 INFO L158 Benchmark]: Toolchain (without parser) took 24338.17ms. Allocated memory was 142.6MB in the beginning and 436.2MB in the end (delta: 293.6MB). Free memory was 105.7MB in the beginning and 213.6MB in the end (delta: -107.9MB). Peak memory consumption was 189.6MB. Max. memory is 16.1GB. [2024-11-27 20:06:19,139 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 167.8MB. Free memory is still 104.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 20:06:19,140 INFO L158 Benchmark]: CACSL2BoogieTranslator took 435.24ms. Allocated memory is still 142.6MB. Free memory was 105.7MB in the beginning and 88.9MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-27 20:06:19,140 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.32ms. Allocated memory is still 142.6MB. Free memory was 88.9MB in the beginning and 87.2MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 20:06:19,140 INFO L158 Benchmark]: Boogie Preprocessor took 38.64ms. Allocated memory is still 142.6MB. Free memory was 87.2MB in the beginning and 85.5MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 20:06:19,140 INFO L158 Benchmark]: RCFGBuilder took 456.96ms. Allocated memory is still 142.6MB. Free memory was 85.5MB in the beginning and 71.8MB in the end (delta: 13.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-27 20:06:19,141 INFO L158 Benchmark]: BuchiAutomizer took 23356.30ms. Allocated memory was 142.6MB in the beginning and 436.2MB in the end (delta: 293.6MB). Free memory was 71.4MB in the beginning and 213.7MB in the end (delta: -142.3MB). Peak memory consumption was 147.6MB. Max. memory is 16.1GB. [2024-11-27 20:06:19,141 INFO L158 Benchmark]: Witness Printer took 4.91ms. Allocated memory is still 436.2MB. Free memory was 213.7MB in the beginning and 213.6MB in the end (delta: 133.7kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-27 20:06:19,142 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 167.8MB. Free memory is still 104.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 435.24ms. Allocated memory is still 142.6MB. Free memory was 105.7MB in the beginning and 88.9MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.32ms. Allocated memory is still 142.6MB. Free memory was 88.9MB in the beginning and 87.2MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 38.64ms. Allocated memory is still 142.6MB. Free memory was 87.2MB in the beginning and 85.5MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 456.96ms. Allocated memory is still 142.6MB. Free memory was 85.5MB in the beginning and 71.8MB in the end (delta: 13.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 23356.30ms. Allocated memory was 142.6MB in the beginning and 436.2MB in the end (delta: 293.6MB). Free memory was 71.4MB in the beginning and 213.7MB in the end (delta: -142.3MB). Peak memory consumption was 147.6MB. Max. memory is 16.1GB. * Witness Printer took 4.91ms. Allocated memory is still 436.2MB. Free memory was 213.7MB in the beginning and 213.6MB in the end (delta: 133.7kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~sc1~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~s~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~s~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 10 terminating modules (5 trivial, 4 deterministic, 1 nondeterministic). One deterministic module has affine ranking function null and consists of 4 locations. One deterministic module has affine ranking function null and consists of 5 locations. One deterministic module has affine ranking function null and consists of 3 locations. One deterministic module has affine ranking function null and consists of 5 locations. One nondeterministic module has affine ranking function null and consists of 5 locations. 5 modules have a trivial ranking function, the largest among these consists of 20 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 23.2s and 11 iterations. TraceHistogramMax:2. Analysis of lassos took 20.4s. Construction of modules took 0.5s. Büchi inclusion checks took 2.1s. Highest rank in rank-based complementation 3. Minimization of det autom 7. Minimization of nondet autom 3. Automata minimization 0.0s AutomataMinimizationTime, 9 MinimizatonAttempts, 6 StatesRemovedByMinimization, 4 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [4, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 295 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 294 mSDsluCounter, 885 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 681 mSDsCounter, 57 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 575 IncrementalHoareTripleChecker+Invalid, 632 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 57 mSolverCounterUnsat, 204 mSDtfsCounter, 575 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI2 SFLT0 conc2 concLT0 SILN0 SILU1 SILI0 SILT0 lasso5 LassoPreprocessingBenchmarks: Lassos: inital191 mio100 ax110 hnf100 lsp95 ukn69 mio100 lsp39 div175 bol100 ite100 ukn100 eq158 hnf94 smp71 dnf526 smp55 tf100 neg100 sie105 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 354ms VariablesStem: 9 VariablesLoop: 8 DisjunctsStem: 4 DisjunctsLoop: 6 SupportingInvariants: 12 MotzkinApplications: 132 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! [2024-11-27 20:06:19,160 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Forceful destruction successful, exit code 0 [2024-11-27 20:06:19,357 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (70)] Forceful destruction successful, exit code 0 [2024-11-27 20:06:19,558 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Ended with exit code 0 [2024-11-27 20:06:19,758 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Ended with exit code 0 [2024-11-27 20:06:19,958 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Ended with exit code 0 [2024-11-27 20:06:20,159 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Ended with exit code 0 [2024-11-27 20:06:20,360 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8824945-3078-4270-938b-4cd0581a0b16/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