./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/b.12-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- 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_450fdd93-b3a9-4544-bfc8-779c6852fbf3/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450fdd93-b3a9-4544-bfc8-779c6852fbf3/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450fdd93-b3a9-4544-bfc8-779c6852fbf3/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450fdd93-b3a9-4544-bfc8-779c6852fbf3/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/b.12-alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450fdd93-b3a9-4544-bfc8-779c6852fbf3/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450fdd93-b3a9-4544-bfc8-779c6852fbf3/bin/uautomizer-verify-84ZbGMXZE1 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash f1855ccd5ef0c8491e97368f082ce5aab941ff0c5bf681c3496fd6584d783f6d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 07:13:05,085 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 07:13:05,139 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450fdd93-b3a9-4544-bfc8-779c6852fbf3/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Termination-64bit-Automizer_Default.epf [2024-12-02 07:13:05,144 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 07:13:05,144 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 07:13:05,165 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 07:13:05,165 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 07:13:05,165 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 07:13:05,166 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 07:13:05,166 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 07:13:05,166 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 07:13:05,166 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 07:13:05,166 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 07:13:05,166 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-12-02 07:13:05,167 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-12-02 07:13:05,167 INFO L153 SettingsManager]: * Use old map elimination=false [2024-12-02 07:13:05,167 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-12-02 07:13:05,167 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-12-02 07:13:05,167 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-12-02 07:13:05,167 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 07:13:05,167 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-12-02 07:13:05,167 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 07:13:05,167 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 07:13:05,167 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-12-02 07:13:05,167 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-12-02 07:13:05,168 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-12-02 07:13:05,168 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-02 07:13:05,168 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 07:13:05,168 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-12-02 07:13:05,168 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 07:13:05,168 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 07:13:05,168 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 07:13:05,168 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 07:13:05,168 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 07:13:05,168 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL_NO_AM [2024-12-02 07:13:05,169 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-12-02 07:13:05,169 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_450fdd93-b3a9-4544-bfc8-779c6852fbf3/bin/uautomizer-verify-84ZbGMXZE1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f1855ccd5ef0c8491e97368f082ce5aab941ff0c5bf681c3496fd6584d783f6d [2024-12-02 07:13:05,389 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 07:13:05,398 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 07:13:05,400 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 07:13:05,401 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 07:13:05,401 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 07:13:05,402 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450fdd93-b3a9-4544-bfc8-779c6852fbf3/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/termination-memory-alloca/b.12-alloca.i [2024-12-02 07:13:08,071 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450fdd93-b3a9-4544-bfc8-779c6852fbf3/bin/uautomizer-verify-84ZbGMXZE1/data/f5c2e42c1/3e1aac5532134bea92e9981a459c6c92/FLAG53f6ecc59 [2024-12-02 07:13:08,313 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 07:13:08,314 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450fdd93-b3a9-4544-bfc8-779c6852fbf3/sv-benchmarks/c/termination-memory-alloca/b.12-alloca.i [2024-12-02 07:13:08,326 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450fdd93-b3a9-4544-bfc8-779c6852fbf3/bin/uautomizer-verify-84ZbGMXZE1/data/f5c2e42c1/3e1aac5532134bea92e9981a459c6c92/FLAG53f6ecc59 [2024-12-02 07:13:08,340 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450fdd93-b3a9-4544-bfc8-779c6852fbf3/bin/uautomizer-verify-84ZbGMXZE1/data/f5c2e42c1/3e1aac5532134bea92e9981a459c6c92 [2024-12-02 07:13:08,342 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 07:13:08,343 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 07:13:08,344 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 07:13:08,344 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 07:13:08,349 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 07:13:08,349 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:13:08" (1/1) ... [2024-12-02 07:13:08,350 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37f9aea0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:13:08, skipping insertion in model container [2024-12-02 07:13:08,350 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:13:08" (1/1) ... [2024-12-02 07:13:08,374 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 07:13:08,608 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 07:13:08,619 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 07:13:08,648 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 07:13:08,671 INFO L204 MainTranslator]: Completed translation [2024-12-02 07:13:08,672 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:13:08 WrapperNode [2024-12-02 07:13:08,672 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 07:13:08,673 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 07:13:08,673 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 07:13:08,673 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 07:13:08,679 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:13:08" (1/1) ... [2024-12-02 07:13:08,689 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:13:08" (1/1) ... [2024-12-02 07:13:08,707 INFO L138 Inliner]: procedures = 111, calls = 24, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 71 [2024-12-02 07:13:08,707 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 07:13:08,708 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 07:13:08,708 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 07:13:08,708 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 07:13:08,717 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:13:08" (1/1) ... [2024-12-02 07:13:08,717 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:13:08" (1/1) ... [2024-12-02 07:13:08,719 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:13:08" (1/1) ... [2024-12-02 07:13:08,730 INFO L175 MemorySlicer]: Split 12 memory accesses to 3 slices as follows [5, 5, 2]. 42 percent of accesses are in the largest equivalence class. The 0 initializations are split as follows [0, 0, 0]. The 5 writes are split as follows [2, 2, 1]. [2024-12-02 07:13:08,731 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:13:08" (1/1) ... [2024-12-02 07:13:08,731 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:13:08" (1/1) ... [2024-12-02 07:13:08,735 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:13:08" (1/1) ... [2024-12-02 07:13:08,736 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:13:08" (1/1) ... [2024-12-02 07:13:08,739 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:13:08" (1/1) ... [2024-12-02 07:13:08,740 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:13:08" (1/1) ... [2024-12-02 07:13:08,741 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:13:08" (1/1) ... [2024-12-02 07:13:08,742 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 07:13:08,743 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 07:13:08,743 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 07:13:08,743 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 07:13:08,744 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:13:08" (1/1) ... [2024-12-02 07:13:08,751 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 07:13:08,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450fdd93-b3a9-4544-bfc8-779c6852fbf3/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 07:13:08,773 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450fdd93-b3a9-4544-bfc8-779c6852fbf3/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 07:13:08,775 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450fdd93-b3a9-4544-bfc8-779c6852fbf3/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-12-02 07:13:08,798 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-12-02 07:13:08,798 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-12-02 07:13:08,798 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-12-02 07:13:08,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-12-02 07:13:08,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-12-02 07:13:08,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-12-02 07:13:08,798 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-02 07:13:08,798 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-02 07:13:08,798 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 07:13:08,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 07:13:08,884 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 07:13:08,885 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 07:13:09,003 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-12-02 07:13:09,003 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 07:13:09,011 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 07:13:09,011 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-02 07:13:09,011 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:13:09 BoogieIcfgContainer [2024-12-02 07:13:09,012 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 07:13:09,012 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-12-02 07:13:09,013 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-12-02 07:13:09,019 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-12-02 07:13:09,019 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-12-02 07:13:09,019 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 02.12 07:13:08" (1/3) ... [2024-12-02 07:13:09,020 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@77308b6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.12 07:13:09, skipping insertion in model container [2024-12-02 07:13:09,020 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-12-02 07:13:09,020 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:13:08" (2/3) ... [2024-12-02 07:13:09,021 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@77308b6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.12 07:13:09, skipping insertion in model container [2024-12-02 07:13:09,021 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-12-02 07:13:09,021 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:13:09" (3/3) ... [2024-12-02 07:13:09,022 INFO L363 chiAutomizerObserver]: Analyzing ICFG b.12-alloca.i [2024-12-02 07:13:09,068 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-12-02 07:13:09,068 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-12-02 07:13:09,068 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-12-02 07:13:09,068 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-12-02 07:13:09,068 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-12-02 07:13:09,068 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-12-02 07:13:09,069 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-12-02 07:13:09,069 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-12-02 07:13:09,073 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 07:13:09,088 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2024-12-02 07:13:09,088 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-12-02 07:13:09,088 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-12-02 07:13:09,092 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-12-02 07:13:09,093 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2024-12-02 07:13:09,093 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-12-02 07:13:09,093 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 07:13:09,094 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2024-12-02 07:13:09,094 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-12-02 07:13:09,094 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-12-02 07:13:09,094 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-12-02 07:13:09,094 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2024-12-02 07:13:09,101 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet13#1, main_#t~nondet14#1, main_#t~ret15#1;havoc main_#t~nondet13#1;havoc main_#t~nondet14#1;assume { :begin_inline_test_fun } true;test_fun_#in~x#1, test_fun_#in~y#1 := main_#t~nondet13#1, main_#t~nondet14#1;havoc test_fun_#res#1;havoc test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset, test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset, test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset, test_fun_#t~mem5#1, test_fun_#t~mem6#1, test_fun_#t~short7#1, test_fun_#t~mem8#1, test_fun_#t~mem9#1, test_fun_#t~mem10#1, test_fun_#t~mem11#1, test_fun_#t~mem12#1, test_fun_~x#1, test_fun_~y#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, test_fun_~c~0#1.base, test_fun_~c~0#1.offset;test_fun_~x#1 := test_fun_#in~x#1;test_fun_~y#1 := test_fun_#in~y#1;call test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset := test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset;call test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset := test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset;call test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);test_fun_~c~0#1.base, test_fun_~c~0#1.offset := test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset;call write~int#1(test_fun_~x#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int#0(test_fun_~y#1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int#2(0, test_fun_~c~0#1.base, test_fun_~c~0#1.offset, 4);" [2024-12-02 07:13:09,101 INFO L749 eck$LassoCheckResult]: Loop: "call test_fun_#t~mem5#1 := read~int#1(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);test_fun_#t~short7#1 := test_fun_#t~mem5#1 > 0;" "assume test_fun_#t~short7#1;" "assume test_fun_#t~short7#1;havoc test_fun_#t~mem5#1;havoc test_fun_#t~mem6#1;havoc test_fun_#t~short7#1;" "call test_fun_#t~mem8#1 := read~int#1(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);" "assume test_fun_#t~mem8#1 > 0;havoc test_fun_#t~mem8#1;call test_fun_#t~mem9#1 := read~int#1(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int#1(test_fun_#t~mem9#1 - 1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);havoc test_fun_#t~mem9#1;" [2024-12-02 07:13:09,105 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:13:09,105 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2024-12-02 07:13:09,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 07:13:09,112 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1695978096] [2024-12-02 07:13:09,113 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:13:09,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:13:09,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 07:13:09,221 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 07:13:09,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 07:13:09,259 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 07:13:09,261 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:13:09,261 INFO L85 PathProgramCache]: Analyzing trace with hash 34453422, now seen corresponding path program 1 times [2024-12-02 07:13:09,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 07:13:09,261 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1923060234] [2024-12-02 07:13:09,261 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:13:09,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:13:09,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 07:13:09,274 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 07:13:09,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 07:13:09,283 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 07:13:09,285 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:13:09,285 INFO L85 PathProgramCache]: Analyzing trace with hash 1805892908, now seen corresponding path program 1 times [2024-12-02 07:13:09,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 07:13:09,286 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1029563766] [2024-12-02 07:13:09,286 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:13:09,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:13:09,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 07:13:09,325 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 07:13:09,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 07:13:09,352 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 07:13:10,034 INFO L204 LassoAnalysis]: Preferences: [2024-12-02 07:13:10,034 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-12-02 07:13:10,034 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-12-02 07:13:10,035 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-12-02 07:13:10,035 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-12-02 07:13:10,035 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 07:13:10,035 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-12-02 07:13:10,035 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-12-02 07:13:10,035 INFO L132 ssoRankerPreferences]: Filename of dumped script: b.12-alloca.i_Iteration1_Lasso [2024-12-02 07:13:10,035 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-12-02 07:13:10,036 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-12-02 07:13:10,051 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 07:13:10,059 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 07:13:10,061 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 07:13:10,064 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 07:13:10,066 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 07:13:10,068 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 07:13:10,071 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 07:13:10,073 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 07:13:10,077 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 07:13:10,080 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 07:13:10,082 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 07:13:10,085 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 07:13:10,472 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 07:13:10,475 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 07:13:10,478 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 07:13:10,774 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-12-02 07:13:10,778 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-12-02 07:13:10,779 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 07:13:10,779 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450fdd93-b3a9-4544-bfc8-779c6852fbf3/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 07:13:10,781 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450fdd93-b3a9-4544-bfc8-779c6852fbf3/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 07:13:10,782 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450fdd93-b3a9-4544-bfc8-779c6852fbf3/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2024-12-02 07:13:10,783 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-12-02 07:13:10,797 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 07:13:10,797 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-12-02 07:13:10,797 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 07:13:10,797 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 07:13:10,798 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 07:13:10,801 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-12-02 07:13:10,802 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-12-02 07:13:10,804 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 07:13:10,813 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450fdd93-b3a9-4544-bfc8-779c6852fbf3/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2024-12-02 07:13:10,813 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 07:13:10,813 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450fdd93-b3a9-4544-bfc8-779c6852fbf3/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 07:13:10,815 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450fdd93-b3a9-4544-bfc8-779c6852fbf3/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 07:13:10,815 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450fdd93-b3a9-4544-bfc8-779c6852fbf3/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-12-02 07:13:10,817 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-12-02 07:13:10,831 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 07:13:10,831 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-12-02 07:13:10,831 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 07:13:10,831 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 07:13:10,831 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 07:13:10,832 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-12-02 07:13:10,832 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-12-02 07:13:10,833 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 07:13:10,838 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450fdd93-b3a9-4544-bfc8-779c6852fbf3/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2024-12-02 07:13:10,839 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 07:13:10,839 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450fdd93-b3a9-4544-bfc8-779c6852fbf3/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 07:13:10,840 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450fdd93-b3a9-4544-bfc8-779c6852fbf3/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 07:13:10,841 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450fdd93-b3a9-4544-bfc8-779c6852fbf3/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-12-02 07:13:10,842 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-12-02 07:13:10,853 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 07:13:10,854 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-12-02 07:13:10,854 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 07:13:10,854 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 07:13:10,854 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 07:13:10,854 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-12-02 07:13:10,854 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-12-02 07:13:10,856 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 07:13:10,861 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450fdd93-b3a9-4544-bfc8-779c6852fbf3/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2024-12-02 07:13:10,861 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 07:13:10,861 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450fdd93-b3a9-4544-bfc8-779c6852fbf3/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 07:13:10,863 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450fdd93-b3a9-4544-bfc8-779c6852fbf3/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 07:13:10,864 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450fdd93-b3a9-4544-bfc8-779c6852fbf3/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-12-02 07:13:10,865 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 [2024-12-02 07:13:10,876 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 07:13:10,876 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-12-02 07:13:10,876 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 07:13:10,876 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 07:13:10,876 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 07:13:10,877 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-12-02 07:13:10,877 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-12-02 07:13:10,878 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 07:13:10,884 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450fdd93-b3a9-4544-bfc8-779c6852fbf3/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2024-12-02 07:13:10,884 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 07:13:10,884 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450fdd93-b3a9-4544-bfc8-779c6852fbf3/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 07:13:10,885 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450fdd93-b3a9-4544-bfc8-779c6852fbf3/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 07:13:10,886 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450fdd93-b3a9-4544-bfc8-779c6852fbf3/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2024-12-02 07:13:10,888 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-12-02 07:13:10,899 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 07:13:10,899 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-12-02 07:13:10,899 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 07:13:10,899 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 07:13:10,899 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 07:13:10,900 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-12-02 07:13:10,900 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-12-02 07:13:10,901 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 07:13:10,906 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450fdd93-b3a9-4544-bfc8-779c6852fbf3/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2024-12-02 07:13:10,906 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 07:13:10,906 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450fdd93-b3a9-4544-bfc8-779c6852fbf3/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 07:13:10,908 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450fdd93-b3a9-4544-bfc8-779c6852fbf3/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 07:13:10,909 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450fdd93-b3a9-4544-bfc8-779c6852fbf3/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2024-12-02 07:13:10,910 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-12-02 07:13:10,921 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 07:13:10,922 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-12-02 07:13:10,922 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 07:13:10,922 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 07:13:10,922 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 07:13:10,922 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-12-02 07:13:10,922 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-12-02 07:13:10,924 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 07:13:10,929 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450fdd93-b3a9-4544-bfc8-779c6852fbf3/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2024-12-02 07:13:10,929 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 07:13:10,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450fdd93-b3a9-4544-bfc8-779c6852fbf3/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 07:13:10,931 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450fdd93-b3a9-4544-bfc8-779c6852fbf3/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 07:13:10,931 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450fdd93-b3a9-4544-bfc8-779c6852fbf3/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2024-12-02 07:13:10,933 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-12-02 07:13:10,944 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 07:13:10,944 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-12-02 07:13:10,944 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 07:13:10,944 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 07:13:10,944 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 07:13:10,945 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-12-02 07:13:10,945 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-12-02 07:13:10,946 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 07:13:10,951 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450fdd93-b3a9-4544-bfc8-779c6852fbf3/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2024-12-02 07:13:10,951 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 07:13:10,951 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450fdd93-b3a9-4544-bfc8-779c6852fbf3/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 07:13:10,953 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450fdd93-b3a9-4544-bfc8-779c6852fbf3/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 07:13:10,953 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450fdd93-b3a9-4544-bfc8-779c6852fbf3/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2024-12-02 07:13:10,955 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-12-02 07:13:10,966 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 07:13:10,966 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 07:13:10,966 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 07:13:10,966 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 07:13:10,969 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-12-02 07:13:10,969 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-12-02 07:13:10,972 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 07:13:10,978 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450fdd93-b3a9-4544-bfc8-779c6852fbf3/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2024-12-02 07:13:10,978 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 07:13:10,978 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450fdd93-b3a9-4544-bfc8-779c6852fbf3/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 07:13:10,980 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450fdd93-b3a9-4544-bfc8-779c6852fbf3/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 07:13:10,980 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450fdd93-b3a9-4544-bfc8-779c6852fbf3/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2024-12-02 07:13:10,982 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-12-02 07:13:10,992 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 07:13:10,992 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 07:13:10,992 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 07:13:10,992 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 07:13:10,995 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-12-02 07:13:10,995 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-12-02 07:13:10,998 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 07:13:11,004 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450fdd93-b3a9-4544-bfc8-779c6852fbf3/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2024-12-02 07:13:11,004 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 07:13:11,004 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450fdd93-b3a9-4544-bfc8-779c6852fbf3/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 07:13:11,006 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450fdd93-b3a9-4544-bfc8-779c6852fbf3/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 07:13:11,006 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450fdd93-b3a9-4544-bfc8-779c6852fbf3/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2024-12-02 07:13:11,008 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-12-02 07:13:11,022 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 07:13:11,022 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-12-02 07:13:11,022 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 07:13:11,022 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 07:13:11,022 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 07:13:11,023 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-12-02 07:13:11,023 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-12-02 07:13:11,024 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 07:13:11,029 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450fdd93-b3a9-4544-bfc8-779c6852fbf3/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2024-12-02 07:13:11,030 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 07:13:11,030 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450fdd93-b3a9-4544-bfc8-779c6852fbf3/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 07:13:11,031 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450fdd93-b3a9-4544-bfc8-779c6852fbf3/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 07:13:11,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450fdd93-b3a9-4544-bfc8-779c6852fbf3/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2024-12-02 07:13:11,033 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-12-02 07:13:11,044 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 07:13:11,045 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 07:13:11,045 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 07:13:11,045 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 07:13:11,047 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-12-02 07:13:11,047 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-12-02 07:13:11,051 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 07:13:11,056 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450fdd93-b3a9-4544-bfc8-779c6852fbf3/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2024-12-02 07:13:11,056 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 07:13:11,056 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450fdd93-b3a9-4544-bfc8-779c6852fbf3/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 07:13:11,058 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450fdd93-b3a9-4544-bfc8-779c6852fbf3/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 07:13:11,062 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450fdd93-b3a9-4544-bfc8-779c6852fbf3/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2024-12-02 07:13:11,063 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-12-02 07:13:11,077 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 07:13:11,077 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 07:13:11,077 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 07:13:11,077 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 07:13:11,079 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-12-02 07:13:11,080 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-12-02 07:13:11,084 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 07:13:11,093 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450fdd93-b3a9-4544-bfc8-779c6852fbf3/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2024-12-02 07:13:11,093 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 07:13:11,093 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450fdd93-b3a9-4544-bfc8-779c6852fbf3/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 07:13:11,095 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450fdd93-b3a9-4544-bfc8-779c6852fbf3/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 07:13:11,096 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450fdd93-b3a9-4544-bfc8-779c6852fbf3/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2024-12-02 07:13:11,097 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-12-02 07:13:11,109 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 07:13:11,109 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 07:13:11,109 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 07:13:11,109 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 07:13:11,112 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-12-02 07:13:11,112 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-12-02 07:13:11,117 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 07:13:11,123 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450fdd93-b3a9-4544-bfc8-779c6852fbf3/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2024-12-02 07:13:11,123 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 07:13:11,123 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450fdd93-b3a9-4544-bfc8-779c6852fbf3/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 07:13:11,125 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450fdd93-b3a9-4544-bfc8-779c6852fbf3/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 07:13:11,126 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450fdd93-b3a9-4544-bfc8-779c6852fbf3/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2024-12-02 07:13:11,127 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-12-02 07:13:11,139 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 07:13:11,140 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 07:13:11,140 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 07:13:11,140 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 07:13:11,142 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-12-02 07:13:11,142 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-12-02 07:13:11,146 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 07:13:11,154 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450fdd93-b3a9-4544-bfc8-779c6852fbf3/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2024-12-02 07:13:11,154 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 07:13:11,154 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450fdd93-b3a9-4544-bfc8-779c6852fbf3/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 07:13:11,156 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450fdd93-b3a9-4544-bfc8-779c6852fbf3/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 07:13:11,157 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450fdd93-b3a9-4544-bfc8-779c6852fbf3/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2024-12-02 07:13:11,158 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-12-02 07:13:11,172 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 07:13:11,173 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 07:13:11,173 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 07:13:11,173 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 07:13:11,179 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-12-02 07:13:11,179 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-12-02 07:13:11,190 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 07:13:11,199 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450fdd93-b3a9-4544-bfc8-779c6852fbf3/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2024-12-02 07:13:11,199 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 07:13:11,199 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450fdd93-b3a9-4544-bfc8-779c6852fbf3/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 07:13:11,201 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450fdd93-b3a9-4544-bfc8-779c6852fbf3/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 07:13:11,202 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450fdd93-b3a9-4544-bfc8-779c6852fbf3/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2024-12-02 07:13:11,203 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-12-02 07:13:11,217 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 07:13:11,217 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 07:13:11,217 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 07:13:11,218 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 07:13:11,220 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-12-02 07:13:11,221 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-12-02 07:13:11,227 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 07:13:11,235 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450fdd93-b3a9-4544-bfc8-779c6852fbf3/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2024-12-02 07:13:11,236 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 07:13:11,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450fdd93-b3a9-4544-bfc8-779c6852fbf3/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 07:13:11,238 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450fdd93-b3a9-4544-bfc8-779c6852fbf3/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 07:13:11,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450fdd93-b3a9-4544-bfc8-779c6852fbf3/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2024-12-02 07:13:11,240 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-12-02 07:13:11,254 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 07:13:11,254 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 07:13:11,254 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 07:13:11,254 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 07:13:11,256 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-12-02 07:13:11,256 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-12-02 07:13:11,260 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 07:13:11,266 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450fdd93-b3a9-4544-bfc8-779c6852fbf3/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2024-12-02 07:13:11,266 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 07:13:11,266 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450fdd93-b3a9-4544-bfc8-779c6852fbf3/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 07:13:11,267 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450fdd93-b3a9-4544-bfc8-779c6852fbf3/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 07:13:11,268 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450fdd93-b3a9-4544-bfc8-779c6852fbf3/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2024-12-02 07:13:11,270 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-12-02 07:13:11,281 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 07:13:11,281 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 07:13:11,281 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 07:13:11,281 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 07:13:11,283 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-12-02 07:13:11,283 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-12-02 07:13:11,287 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 07:13:11,292 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450fdd93-b3a9-4544-bfc8-779c6852fbf3/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2024-12-02 07:13:11,292 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 07:13:11,292 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450fdd93-b3a9-4544-bfc8-779c6852fbf3/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 07:13:11,294 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450fdd93-b3a9-4544-bfc8-779c6852fbf3/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 07:13:11,295 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450fdd93-b3a9-4544-bfc8-779c6852fbf3/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2024-12-02 07:13:11,296 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-12-02 07:13:11,307 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 07:13:11,307 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 07:13:11,307 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 07:13:11,307 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 07:13:11,309 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-12-02 07:13:11,309 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-12-02 07:13:11,314 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 07:13:11,322 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450fdd93-b3a9-4544-bfc8-779c6852fbf3/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2024-12-02 07:13:11,322 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 07:13:11,323 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450fdd93-b3a9-4544-bfc8-779c6852fbf3/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 07:13:11,324 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450fdd93-b3a9-4544-bfc8-779c6852fbf3/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 07:13:11,327 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450fdd93-b3a9-4544-bfc8-779c6852fbf3/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2024-12-02 07:13:11,327 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-12-02 07:13:11,340 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 07:13:11,340 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 07:13:11,340 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 07:13:11,340 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 07:13:11,343 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-12-02 07:13:11,343 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-12-02 07:13:11,348 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 07:13:11,353 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450fdd93-b3a9-4544-bfc8-779c6852fbf3/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Ended with exit code 0 [2024-12-02 07:13:11,354 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 07:13:11,354 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450fdd93-b3a9-4544-bfc8-779c6852fbf3/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 07:13:11,355 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450fdd93-b3a9-4544-bfc8-779c6852fbf3/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 07:13:11,356 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450fdd93-b3a9-4544-bfc8-779c6852fbf3/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2024-12-02 07:13:11,357 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-12-02 07:13:11,371 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 07:13:11,371 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-12-02 07:13:11,371 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 07:13:11,371 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 07:13:11,371 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 07:13:11,371 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-12-02 07:13:11,371 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-12-02 07:13:11,373 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 07:13:11,378 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450fdd93-b3a9-4544-bfc8-779c6852fbf3/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2024-12-02 07:13:11,378 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 07:13:11,378 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450fdd93-b3a9-4544-bfc8-779c6852fbf3/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 07:13:11,379 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450fdd93-b3a9-4544-bfc8-779c6852fbf3/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 07:13:11,380 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450fdd93-b3a9-4544-bfc8-779c6852fbf3/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2024-12-02 07:13:11,381 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-12-02 07:13:11,392 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 07:13:11,392 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 07:13:11,392 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 07:13:11,392 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 07:13:11,396 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-12-02 07:13:11,396 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-12-02 07:13:11,405 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-12-02 07:13:11,418 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2024-12-02 07:13:11,421 INFO L444 ModelExtractionUtils]: 3 out of 10 variables were initially zero. Simplification set additionally 5 variables to zero. [2024-12-02 07:13:11,422 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 07:13:11,422 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450fdd93-b3a9-4544-bfc8-779c6852fbf3/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 07:13:11,424 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450fdd93-b3a9-4544-bfc8-779c6852fbf3/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 07:13:11,425 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450fdd93-b3a9-4544-bfc8-779c6852fbf3/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2024-12-02 07:13:11,426 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-12-02 07:13:11,439 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-12-02 07:13:11,439 INFO L474 LassoAnalysis]: Proved termination. [2024-12-02 07:13:11,439 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int#1 ULTIMATE.start_test_fun_~x_ref~0#1.base) 0)_1) = 1*v_rep(select (select #memory_int#1 ULTIMATE.start_test_fun_~x_ref~0#1.base) 0)_1 Supporting invariants [] [2024-12-02 07:13:11,444 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450fdd93-b3a9-4544-bfc8-779c6852fbf3/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2024-12-02 07:13:11,512 INFO L156 tatePredicateManager]: 19 out of 20 supporting invariants were superfluous and have been removed [2024-12-02 07:13:11,517 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#1 [2024-12-02 07:13:11,518 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] [2024-12-02 07:13:11,518 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[~x_ref~0!base,]]] [2024-12-02 07:13:11,543 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:13:11,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:13:11,580 INFO L256 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-02 07:13:11,582 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:13:11,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:13:11,601 INFO L256 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-02 07:13:11,602 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:13:11,715 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 07:13:11,743 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2024-12-02 07:13:11,745 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 states have internal predecessors, (17), 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 4 states, 4 states have (on average 1.75) internal successors, (7), 4 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) [2024-12-02 07:13:11,856 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 states have internal predecessors, (17), 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 4 states, 4 states have (on average 1.75) internal successors, (7), 4 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 63 transitions. Complement of second has 10 states. [2024-12-02 07:13:11,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2024-12-02 07:13:11,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 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) [2024-12-02 07:13:11,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 32 transitions. [2024-12-02 07:13:11,867 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 32 transitions. Stem has 2 letters. Loop has 5 letters. [2024-12-02 07:13:11,868 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-12-02 07:13:11,868 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 32 transitions. Stem has 7 letters. Loop has 5 letters. [2024-12-02 07:13:11,868 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-12-02 07:13:11,869 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 32 transitions. Stem has 2 letters. Loop has 10 letters. [2024-12-02 07:13:11,869 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-12-02 07:13:11,869 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 45 states and 63 transitions. [2024-12-02 07:13:11,871 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 12 [2024-12-02 07:13:11,874 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 45 states to 29 states and 43 transitions. [2024-12-02 07:13:11,875 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2024-12-02 07:13:11,875 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 [2024-12-02 07:13:11,876 INFO L73 IsDeterministic]: Start isDeterministic. Operand 29 states and 43 transitions. [2024-12-02 07:13:11,876 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-12-02 07:13:11,876 INFO L218 hiAutomatonCegarLoop]: Abstraction has 29 states and 43 transitions. [2024-12-02 07:13:11,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states and 43 transitions. [2024-12-02 07:13:11,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 28. [2024-12-02 07:13:11,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 28 states have (on average 1.4642857142857142) internal successors, (41), 27 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 07:13:11,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 41 transitions. [2024-12-02 07:13:11,896 INFO L240 hiAutomatonCegarLoop]: Abstraction has 28 states and 41 transitions. [2024-12-02 07:13:11,896 INFO L425 stractBuchiCegarLoop]: Abstraction has 28 states and 41 transitions. [2024-12-02 07:13:11,896 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-12-02 07:13:11,896 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 28 states and 41 transitions. [2024-12-02 07:13:11,897 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 12 [2024-12-02 07:13:11,897 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-12-02 07:13:11,897 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-12-02 07:13:11,897 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-12-02 07:13:11,897 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2024-12-02 07:13:11,897 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~nondet13#1, main_#t~nondet14#1, main_#t~ret15#1;havoc main_#t~nondet13#1;havoc main_#t~nondet14#1;assume { :begin_inline_test_fun } true;test_fun_#in~x#1, test_fun_#in~y#1 := main_#t~nondet13#1, main_#t~nondet14#1;havoc test_fun_#res#1;havoc test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset, test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset, test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset, test_fun_#t~mem5#1, test_fun_#t~mem6#1, test_fun_#t~short7#1, test_fun_#t~mem8#1, test_fun_#t~mem9#1, test_fun_#t~mem10#1, test_fun_#t~mem11#1, test_fun_#t~mem12#1, test_fun_~x#1, test_fun_~y#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, test_fun_~c~0#1.base, test_fun_~c~0#1.offset;test_fun_~x#1 := test_fun_#in~x#1;test_fun_~y#1 := test_fun_#in~y#1;call test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset := test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset;call test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset := test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset;call test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);test_fun_~c~0#1.base, test_fun_~c~0#1.offset := test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset;call write~int#1(test_fun_~x#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int#0(test_fun_~y#1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int#2(0, test_fun_~c~0#1.base, test_fun_~c~0#1.offset, 4);" "call test_fun_#t~mem5#1 := read~int#1(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);test_fun_#t~short7#1 := test_fun_#t~mem5#1 > 0;" [2024-12-02 07:13:11,897 INFO L749 eck$LassoCheckResult]: Loop: "assume !test_fun_#t~short7#1;call test_fun_#t~mem6#1 := read~int#0(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short7#1 := test_fun_#t~mem6#1 > 0;" "assume test_fun_#t~short7#1;havoc test_fun_#t~mem5#1;havoc test_fun_#t~mem6#1;havoc test_fun_#t~short7#1;" "call test_fun_#t~mem8#1 := read~int#1(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);" "assume test_fun_#t~mem8#1 > 0;havoc test_fun_#t~mem8#1;call test_fun_#t~mem9#1 := read~int#1(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int#1(test_fun_#t~mem9#1 - 1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);havoc test_fun_#t~mem9#1;" "call test_fun_#t~mem5#1 := read~int#1(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);test_fun_#t~short7#1 := test_fun_#t~mem5#1 > 0;" [2024-12-02 07:13:11,898 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:13:11,898 INFO L85 PathProgramCache]: Analyzing trace with hash 29859, now seen corresponding path program 1 times [2024-12-02 07:13:11,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 07:13:11,898 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1729925705] [2024-12-02 07:13:11,898 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:13:11,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:13:11,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 07:13:11,922 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 07:13:11,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 07:13:11,941 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 07:13:11,941 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:13:11,941 INFO L85 PathProgramCache]: Analyzing trace with hash 39253694, now seen corresponding path program 1 times [2024-12-02 07:13:11,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 07:13:11,942 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [151047882] [2024-12-02 07:13:11,942 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:13:11,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:13:11,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 07:13:11,954 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 07:13:11,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 07:13:11,963 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 07:13:11,964 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:13:11,964 INFO L85 PathProgramCache]: Analyzing trace with hash 149952348, now seen corresponding path program 1 times [2024-12-02 07:13:11,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 07:13:11,964 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [126853411] [2024-12-02 07:13:11,964 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:13:11,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:13:11,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:13:12,133 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-12-02 07:13:12,133 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [126853411] [2024-12-02 07:13:12,134 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [126853411] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 07:13:12,134 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1693325489] [2024-12-02 07:13:12,134 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:13:12,134 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 07:13:12,134 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450fdd93-b3a9-4544-bfc8-779c6852fbf3/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 07:13:12,136 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450fdd93-b3a9-4544-bfc8-779c6852fbf3/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 07:13:12,140 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450fdd93-b3a9-4544-bfc8-779c6852fbf3/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-12-02 07:13:12,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:13:12,211 INFO L256 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-02 07:13:12,212 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:13:12,252 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-12-02 07:13:12,256 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 07:13:12,275 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1693325489] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 07:13:12,275 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 07:13:12,275 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 5 [2024-12-02 07:13:12,275 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [45861978] [2024-12-02 07:13:12,276 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 07:13:12,443 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-12-02 07:13:12,444 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 07:13:12,444 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 07:13:12,445 INFO L87 Difference]: Start difference. First operand 28 states and 41 transitions. cyclomatic complexity: 16 Second operand has 5 states, 5 states have (on average 1.6) internal successors, (8), 5 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 07:13:12,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:13:12,484 INFO L93 Difference]: Finished difference Result 42 states and 59 transitions. [2024-12-02 07:13:12,484 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 42 states and 59 transitions. [2024-12-02 07:13:12,485 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 18 [2024-12-02 07:13:12,485 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 42 states to 30 states and 41 transitions. [2024-12-02 07:13:12,486 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 22 [2024-12-02 07:13:12,486 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 22 [2024-12-02 07:13:12,486 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 41 transitions. [2024-12-02 07:13:12,486 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-12-02 07:13:12,486 INFO L218 hiAutomatonCegarLoop]: Abstraction has 30 states and 41 transitions. [2024-12-02 07:13:12,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states and 41 transitions. [2024-12-02 07:13:12,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 16. [2024-12-02 07:13:12,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 1.375) internal successors, (22), 15 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 07:13:12,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 22 transitions. [2024-12-02 07:13:12,488 INFO L240 hiAutomatonCegarLoop]: Abstraction has 16 states and 22 transitions. [2024-12-02 07:13:12,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 07:13:12,488 INFO L425 stractBuchiCegarLoop]: Abstraction has 16 states and 22 transitions. [2024-12-02 07:13:12,489 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-12-02 07:13:12,489 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 22 transitions. [2024-12-02 07:13:12,489 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2024-12-02 07:13:12,489 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-12-02 07:13:12,489 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-12-02 07:13:12,489 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-12-02 07:13:12,489 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2024-12-02 07:13:12,489 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~nondet13#1, main_#t~nondet14#1, main_#t~ret15#1;havoc main_#t~nondet13#1;havoc main_#t~nondet14#1;assume { :begin_inline_test_fun } true;test_fun_#in~x#1, test_fun_#in~y#1 := main_#t~nondet13#1, main_#t~nondet14#1;havoc test_fun_#res#1;havoc test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset, test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset, test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset, test_fun_#t~mem5#1, test_fun_#t~mem6#1, test_fun_#t~short7#1, test_fun_#t~mem8#1, test_fun_#t~mem9#1, test_fun_#t~mem10#1, test_fun_#t~mem11#1, test_fun_#t~mem12#1, test_fun_~x#1, test_fun_~y#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, test_fun_~c~0#1.base, test_fun_~c~0#1.offset;test_fun_~x#1 := test_fun_#in~x#1;test_fun_~y#1 := test_fun_#in~y#1;call test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset := test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset;call test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset := test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset;call test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);test_fun_~c~0#1.base, test_fun_~c~0#1.offset := test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset;call write~int#1(test_fun_~x#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int#0(test_fun_~y#1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int#2(0, test_fun_~c~0#1.base, test_fun_~c~0#1.offset, 4);" "call test_fun_#t~mem5#1 := read~int#1(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);test_fun_#t~short7#1 := test_fun_#t~mem5#1 > 0;" [2024-12-02 07:13:12,490 INFO L749 eck$LassoCheckResult]: Loop: "assume test_fun_#t~short7#1;" "assume test_fun_#t~short7#1;havoc test_fun_#t~mem5#1;havoc test_fun_#t~mem6#1;havoc test_fun_#t~short7#1;" "call test_fun_#t~mem8#1 := read~int#1(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);" "assume !(test_fun_#t~mem8#1 > 0);havoc test_fun_#t~mem8#1;call test_fun_#t~mem10#1 := read~int#0(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);" "assume test_fun_#t~mem10#1 > 0;havoc test_fun_#t~mem10#1;call test_fun_#t~mem11#1 := read~int#0(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int#0(test_fun_#t~mem11#1 - 1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);havoc test_fun_#t~mem11#1;" "call test_fun_#t~mem5#1 := read~int#1(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);test_fun_#t~short7#1 := test_fun_#t~mem5#1 > 0;" [2024-12-02 07:13:12,490 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:13:12,490 INFO L85 PathProgramCache]: Analyzing trace with hash 29859, now seen corresponding path program 2 times [2024-12-02 07:13:12,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 07:13:12,490 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801262241] [2024-12-02 07:13:12,490 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:13:12,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:13:12,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 07:13:12,503 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 07:13:12,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 07:13:12,518 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 07:13:12,518 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:13:12,518 INFO L85 PathProgramCache]: Analyzing trace with hash 1159608791, now seen corresponding path program 1 times [2024-12-02 07:13:12,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 07:13:12,518 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [997846472] [2024-12-02 07:13:12,519 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:13:12,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:13:12,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 07:13:12,529 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 07:13:12,530 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450fdd93-b3a9-4544-bfc8-779c6852fbf3/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2024-12-02 07:13:12,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 07:13:12,534 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 07:13:12,535 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:13:12,535 INFO L85 PathProgramCache]: Analyzing trace with hash 296299769, now seen corresponding path program 1 times [2024-12-02 07:13:12,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 07:13:12,535 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1396211582] [2024-12-02 07:13:12,535 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:13:12,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:13:12,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:13:12,620 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-12-02 07:13:12,620 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1396211582] [2024-12-02 07:13:12,620 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1396211582] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 07:13:12,620 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1709851427] [2024-12-02 07:13:12,620 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:13:12,621 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 07:13:12,621 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450fdd93-b3a9-4544-bfc8-779c6852fbf3/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 07:13:12,622 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450fdd93-b3a9-4544-bfc8-779c6852fbf3/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 07:13:12,623 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450fdd93-b3a9-4544-bfc8-779c6852fbf3/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-12-02 07:13:12,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:13:12,686 INFO L256 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-02 07:13:12,686 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:13:12,709 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-12-02 07:13:12,713 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 07:13:12,731 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1709851427] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 07:13:12,731 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 07:13:12,731 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 5 [2024-12-02 07:13:12,731 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1102449038] [2024-12-02 07:13:12,731 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 07:13:12,843 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-12-02 07:13:12,844 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 07:13:12,844 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 07:13:12,844 INFO L87 Difference]: Start difference. First operand 16 states and 22 transitions. cyclomatic complexity: 8 Second operand has 5 states, 5 states have (on average 1.8) internal successors, (9), 5 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) [2024-12-02 07:13:12,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:13:12,870 INFO L93 Difference]: Finished difference Result 17 states and 20 transitions. [2024-12-02 07:13:12,870 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 17 states and 20 transitions. [2024-12-02 07:13:12,871 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2024-12-02 07:13:12,871 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 17 states to 14 states and 17 transitions. [2024-12-02 07:13:12,871 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2024-12-02 07:13:12,871 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2024-12-02 07:13:12,871 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 17 transitions. [2024-12-02 07:13:12,871 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-12-02 07:13:12,871 INFO L218 hiAutomatonCegarLoop]: Abstraction has 14 states and 17 transitions. [2024-12-02 07:13:12,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states and 17 transitions. [2024-12-02 07:13:12,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2024-12-02 07:13:12,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 13 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 07:13:12,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 17 transitions. [2024-12-02 07:13:12,873 INFO L240 hiAutomatonCegarLoop]: Abstraction has 14 states and 17 transitions. [2024-12-02 07:13:12,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 07:13:12,874 INFO L425 stractBuchiCegarLoop]: Abstraction has 14 states and 17 transitions. [2024-12-02 07:13:12,874 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-12-02 07:13:12,874 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 17 transitions. [2024-12-02 07:13:12,874 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2024-12-02 07:13:12,875 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-12-02 07:13:12,875 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-12-02 07:13:12,875 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-12-02 07:13:12,875 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2024-12-02 07:13:12,875 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~nondet13#1, main_#t~nondet14#1, main_#t~ret15#1;havoc main_#t~nondet13#1;havoc main_#t~nondet14#1;assume { :begin_inline_test_fun } true;test_fun_#in~x#1, test_fun_#in~y#1 := main_#t~nondet13#1, main_#t~nondet14#1;havoc test_fun_#res#1;havoc test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset, test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset, test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset, test_fun_#t~mem5#1, test_fun_#t~mem6#1, test_fun_#t~short7#1, test_fun_#t~mem8#1, test_fun_#t~mem9#1, test_fun_#t~mem10#1, test_fun_#t~mem11#1, test_fun_#t~mem12#1, test_fun_~x#1, test_fun_~y#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, test_fun_~c~0#1.base, test_fun_~c~0#1.offset;test_fun_~x#1 := test_fun_#in~x#1;test_fun_~y#1 := test_fun_#in~y#1;call test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset := test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset;call test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset := test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset;call test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);test_fun_~c~0#1.base, test_fun_~c~0#1.offset := test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset;call write~int#1(test_fun_~x#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int#0(test_fun_~y#1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int#2(0, test_fun_~c~0#1.base, test_fun_~c~0#1.offset, 4);" "call test_fun_#t~mem5#1 := read~int#1(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);test_fun_#t~short7#1 := test_fun_#t~mem5#1 > 0;" [2024-12-02 07:13:12,875 INFO L749 eck$LassoCheckResult]: Loop: "assume !test_fun_#t~short7#1;call test_fun_#t~mem6#1 := read~int#0(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short7#1 := test_fun_#t~mem6#1 > 0;" "assume test_fun_#t~short7#1;havoc test_fun_#t~mem5#1;havoc test_fun_#t~mem6#1;havoc test_fun_#t~short7#1;" "call test_fun_#t~mem8#1 := read~int#1(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);" "assume !(test_fun_#t~mem8#1 > 0);havoc test_fun_#t~mem8#1;call test_fun_#t~mem10#1 := read~int#0(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);" "assume test_fun_#t~mem10#1 > 0;havoc test_fun_#t~mem10#1;call test_fun_#t~mem11#1 := read~int#0(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int#0(test_fun_#t~mem11#1 - 1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);havoc test_fun_#t~mem11#1;" "call test_fun_#t~mem5#1 := read~int#1(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);test_fun_#t~short7#1 := test_fun_#t~mem5#1 > 0;" [2024-12-02 07:13:12,875 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:13:12,875 INFO L85 PathProgramCache]: Analyzing trace with hash 29859, now seen corresponding path program 3 times [2024-12-02 07:13:12,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 07:13:12,875 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [491780161] [2024-12-02 07:13:12,875 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:13:12,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:13:12,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 07:13:12,888 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 07:13:12,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 07:13:12,897 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 07:13:12,897 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:13:12,897 INFO L85 PathProgramCache]: Analyzing trace with hash 1216867093, now seen corresponding path program 1 times [2024-12-02 07:13:12,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 07:13:12,897 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [305009776] [2024-12-02 07:13:12,898 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:13:12,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:13:12,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 07:13:12,906 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 07:13:12,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 07:13:12,911 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 07:13:12,912 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:13:12,912 INFO L85 PathProgramCache]: Analyzing trace with hash 353558071, now seen corresponding path program 1 times [2024-12-02 07:13:12,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 07:13:12,912 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [30073863] [2024-12-02 07:13:12,912 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:13:12,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:13:12,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 07:13:12,929 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 07:13:12,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 07:13:12,940 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 07:13:13,531 INFO L204 LassoAnalysis]: Preferences: [2024-12-02 07:13:13,531 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-12-02 07:13:13,531 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-12-02 07:13:13,531 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-12-02 07:13:13,531 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-12-02 07:13:13,531 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 07:13:13,531 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-12-02 07:13:13,531 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-12-02 07:13:13,531 INFO L132 ssoRankerPreferences]: Filename of dumped script: b.12-alloca.i_Iteration4_Lasso [2024-12-02 07:13:13,531 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-12-02 07:13:13,531 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-12-02 07:13:13,534 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 07:13:13,535 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 07:13:13,537 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 07:13:13,538 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 07:13:13,540 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 07:13:13,541 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 07:13:13,543 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 07:13:13,545 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 07:13:13,546 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 07:13:13,548 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 07:13:13,872 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 07:13:13,874 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 07:13:13,876 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 07:13:13,878 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 07:13:13,880 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-12-02 07:13:14,166 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-12-02 07:13:14,166 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-12-02 07:13:14,166 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 07:13:14,166 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450fdd93-b3a9-4544-bfc8-779c6852fbf3/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 07:13:14,170 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450fdd93-b3a9-4544-bfc8-779c6852fbf3/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 07:13:14,171 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450fdd93-b3a9-4544-bfc8-779c6852fbf3/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2024-12-02 07:13:14,172 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-12-02 07:13:14,186 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 07:13:14,186 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-12-02 07:13:14,186 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 07:13:14,186 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 07:13:14,186 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 07:13:14,186 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-12-02 07:13:14,186 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-12-02 07:13:14,187 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 07:13:14,193 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450fdd93-b3a9-4544-bfc8-779c6852fbf3/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2024-12-02 07:13:14,193 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 07:13:14,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450fdd93-b3a9-4544-bfc8-779c6852fbf3/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 07:13:14,194 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450fdd93-b3a9-4544-bfc8-779c6852fbf3/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 07:13:14,195 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450fdd93-b3a9-4544-bfc8-779c6852fbf3/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2024-12-02 07:13:14,197 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-12-02 07:13:14,208 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 07:13:14,208 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-12-02 07:13:14,208 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 07:13:14,208 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 07:13:14,208 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 07:13:14,208 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-12-02 07:13:14,208 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-12-02 07:13:14,210 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 07:13:14,214 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450fdd93-b3a9-4544-bfc8-779c6852fbf3/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2024-12-02 07:13:14,215 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 07:13:14,215 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450fdd93-b3a9-4544-bfc8-779c6852fbf3/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 07:13:14,216 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450fdd93-b3a9-4544-bfc8-779c6852fbf3/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 07:13:14,217 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450fdd93-b3a9-4544-bfc8-779c6852fbf3/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2024-12-02 07:13:14,218 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-12-02 07:13:14,229 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 07:13:14,229 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-12-02 07:13:14,229 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 07:13:14,229 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 07:13:14,229 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 07:13:14,229 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-12-02 07:13:14,229 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-12-02 07:13:14,231 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 07:13:14,236 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450fdd93-b3a9-4544-bfc8-779c6852fbf3/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2024-12-02 07:13:14,236 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 07:13:14,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450fdd93-b3a9-4544-bfc8-779c6852fbf3/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 07:13:14,237 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450fdd93-b3a9-4544-bfc8-779c6852fbf3/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 07:13:14,238 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450fdd93-b3a9-4544-bfc8-779c6852fbf3/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2024-12-02 07:13:14,240 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-12-02 07:13:14,250 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 07:13:14,250 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 07:13:14,250 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 07:13:14,250 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 07:13:14,252 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-12-02 07:13:14,252 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-12-02 07:13:14,254 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 07:13:14,259 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450fdd93-b3a9-4544-bfc8-779c6852fbf3/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2024-12-02 07:13:14,259 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 07:13:14,259 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450fdd93-b3a9-4544-bfc8-779c6852fbf3/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 07:13:14,261 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450fdd93-b3a9-4544-bfc8-779c6852fbf3/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 07:13:14,261 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450fdd93-b3a9-4544-bfc8-779c6852fbf3/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2024-12-02 07:13:14,263 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-12-02 07:13:14,274 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 07:13:14,274 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-12-02 07:13:14,274 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 07:13:14,274 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 07:13:14,274 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 07:13:14,274 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-12-02 07:13:14,274 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-12-02 07:13:14,276 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 07:13:14,281 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450fdd93-b3a9-4544-bfc8-779c6852fbf3/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2024-12-02 07:13:14,281 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 07:13:14,281 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450fdd93-b3a9-4544-bfc8-779c6852fbf3/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 07:13:14,282 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450fdd93-b3a9-4544-bfc8-779c6852fbf3/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 07:13:14,283 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450fdd93-b3a9-4544-bfc8-779c6852fbf3/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2024-12-02 07:13:14,285 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-12-02 07:13:14,296 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 07:13:14,296 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 07:13:14,296 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 07:13:14,296 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 07:13:14,297 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-12-02 07:13:14,297 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-12-02 07:13:14,300 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 07:13:14,306 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450fdd93-b3a9-4544-bfc8-779c6852fbf3/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2024-12-02 07:13:14,306 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 07:13:14,306 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450fdd93-b3a9-4544-bfc8-779c6852fbf3/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 07:13:14,307 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450fdd93-b3a9-4544-bfc8-779c6852fbf3/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 07:13:14,308 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450fdd93-b3a9-4544-bfc8-779c6852fbf3/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2024-12-02 07:13:14,310 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-12-02 07:13:14,320 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 07:13:14,321 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-12-02 07:13:14,321 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 07:13:14,321 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 07:13:14,321 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 07:13:14,321 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-12-02 07:13:14,321 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-12-02 07:13:14,323 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 07:13:14,330 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450fdd93-b3a9-4544-bfc8-779c6852fbf3/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2024-12-02 07:13:14,330 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 07:13:14,330 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450fdd93-b3a9-4544-bfc8-779c6852fbf3/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 07:13:14,332 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450fdd93-b3a9-4544-bfc8-779c6852fbf3/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 07:13:14,332 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450fdd93-b3a9-4544-bfc8-779c6852fbf3/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2024-12-02 07:13:14,334 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-12-02 07:13:14,345 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 07:13:14,345 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-12-02 07:13:14,345 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 07:13:14,345 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 07:13:14,345 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 07:13:14,346 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-12-02 07:13:14,346 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-12-02 07:13:14,347 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 07:13:14,352 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450fdd93-b3a9-4544-bfc8-779c6852fbf3/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2024-12-02 07:13:14,352 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 07:13:14,352 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450fdd93-b3a9-4544-bfc8-779c6852fbf3/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 07:13:14,354 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450fdd93-b3a9-4544-bfc8-779c6852fbf3/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 07:13:14,354 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450fdd93-b3a9-4544-bfc8-779c6852fbf3/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2024-12-02 07:13:14,356 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-12-02 07:13:14,367 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 07:13:14,367 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-12-02 07:13:14,367 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 07:13:14,367 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 07:13:14,367 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 07:13:14,368 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-12-02 07:13:14,368 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-12-02 07:13:14,369 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 07:13:14,374 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450fdd93-b3a9-4544-bfc8-779c6852fbf3/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2024-12-02 07:13:14,374 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 07:13:14,374 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450fdd93-b3a9-4544-bfc8-779c6852fbf3/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 07:13:14,376 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450fdd93-b3a9-4544-bfc8-779c6852fbf3/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 07:13:14,377 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450fdd93-b3a9-4544-bfc8-779c6852fbf3/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2024-12-02 07:13:14,378 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-12-02 07:13:14,389 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 07:13:14,390 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 07:13:14,390 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 07:13:14,390 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 07:13:14,393 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-12-02 07:13:14,394 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-12-02 07:13:14,401 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 07:13:14,409 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450fdd93-b3a9-4544-bfc8-779c6852fbf3/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2024-12-02 07:13:14,409 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 07:13:14,410 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450fdd93-b3a9-4544-bfc8-779c6852fbf3/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 07:13:14,411 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450fdd93-b3a9-4544-bfc8-779c6852fbf3/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 07:13:14,412 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450fdd93-b3a9-4544-bfc8-779c6852fbf3/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2024-12-02 07:13:14,413 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-12-02 07:13:14,425 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 07:13:14,425 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 07:13:14,425 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 07:13:14,425 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 07:13:14,426 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-12-02 07:13:14,426 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-12-02 07:13:14,429 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 07:13:14,434 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450fdd93-b3a9-4544-bfc8-779c6852fbf3/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2024-12-02 07:13:14,434 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 07:13:14,435 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450fdd93-b3a9-4544-bfc8-779c6852fbf3/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 07:13:14,436 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450fdd93-b3a9-4544-bfc8-779c6852fbf3/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 07:13:14,437 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450fdd93-b3a9-4544-bfc8-779c6852fbf3/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2024-12-02 07:13:14,438 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-12-02 07:13:14,452 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 07:13:14,452 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 07:13:14,452 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 07:13:14,452 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 07:13:14,455 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-12-02 07:13:14,455 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-12-02 07:13:14,460 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 07:13:14,468 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450fdd93-b3a9-4544-bfc8-779c6852fbf3/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2024-12-02 07:13:14,468 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 07:13:14,469 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450fdd93-b3a9-4544-bfc8-779c6852fbf3/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 07:13:14,470 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450fdd93-b3a9-4544-bfc8-779c6852fbf3/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 07:13:14,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450fdd93-b3a9-4544-bfc8-779c6852fbf3/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2024-12-02 07:13:14,472 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-12-02 07:13:14,484 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 07:13:14,484 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 07:13:14,484 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 07:13:14,484 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 07:13:14,485 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-12-02 07:13:14,485 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-12-02 07:13:14,489 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-12-02 07:13:14,497 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450fdd93-b3a9-4544-bfc8-779c6852fbf3/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2024-12-02 07:13:14,497 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 07:13:14,497 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450fdd93-b3a9-4544-bfc8-779c6852fbf3/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 07:13:14,498 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450fdd93-b3a9-4544-bfc8-779c6852fbf3/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 07:13:14,499 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450fdd93-b3a9-4544-bfc8-779c6852fbf3/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2024-12-02 07:13:14,501 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-12-02 07:13:14,512 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-12-02 07:13:14,512 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-12-02 07:13:14,512 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-12-02 07:13:14,513 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-12-02 07:13:14,515 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-12-02 07:13:14,515 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-12-02 07:13:14,521 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-12-02 07:13:14,531 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2024-12-02 07:13:14,531 INFO L444 ModelExtractionUtils]: 1 out of 10 variables were initially zero. Simplification set additionally 7 variables to zero. [2024-12-02 07:13:14,531 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 07:13:14,531 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450fdd93-b3a9-4544-bfc8-779c6852fbf3/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 07:13:14,533 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450fdd93-b3a9-4544-bfc8-779c6852fbf3/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 07:13:14,534 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450fdd93-b3a9-4544-bfc8-779c6852fbf3/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2024-12-02 07:13:14,535 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-12-02 07:13:14,546 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-12-02 07:13:14,546 INFO L474 LassoAnalysis]: Proved termination. [2024-12-02 07:13:14,547 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int#0 ULTIMATE.start_test_fun_~y_ref~0#1.base) 0)_1) = 1*v_rep(select (select #memory_int#0 ULTIMATE.start_test_fun_~y_ref~0#1.base) 0)_1 Supporting invariants [] [2024-12-02 07:13:14,553 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450fdd93-b3a9-4544-bfc8-779c6852fbf3/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2024-12-02 07:13:14,589 INFO L156 tatePredicateManager]: 16 out of 17 supporting invariants were superfluous and have been removed [2024-12-02 07:13:14,590 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#0 [2024-12-02 07:13:14,591 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#0,GLOBAL] [2024-12-02 07:13:14,591 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#0,GLOBAL],[IdentifierExpression[~y_ref~0!base,]]] [2024-12-02 07:13:14,608 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:13:14,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:13:14,633 INFO L256 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-02 07:13:14,634 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:13:14,636 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450fdd93-b3a9-4544-bfc8-779c6852fbf3/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2024-12-02 07:13:14,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:13:14,649 INFO L256 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-02 07:13:14,650 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:13:14,713 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 32 treesize of output 16 [2024-12-02 07:13:14,730 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 07:13:14,730 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 4 loop predicates [2024-12-02 07:13:14,730 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 14 states and 17 transitions. cyclomatic complexity: 5 Second operand has 6 states, 6 states have (on average 1.5) internal successors, (9), 6 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) [2024-12-02 07:13:14,782 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 14 states and 17 transitions. cyclomatic complexity: 5. Second operand has 6 states, 6 states have (on average 1.5) internal successors, (9), 6 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 35 states and 42 transitions. Complement of second has 9 states. [2024-12-02 07:13:14,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 3 non-accepting loop states 1 accepting loop states [2024-12-02 07:13:14,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 1.5) internal successors, (9), 6 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) [2024-12-02 07:13:14,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 20 transitions. [2024-12-02 07:13:14,784 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 20 transitions. Stem has 3 letters. Loop has 6 letters. [2024-12-02 07:13:14,784 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-12-02 07:13:14,784 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 20 transitions. Stem has 9 letters. Loop has 6 letters. [2024-12-02 07:13:14,784 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-12-02 07:13:14,784 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 20 transitions. Stem has 3 letters. Loop has 12 letters. [2024-12-02 07:13:14,784 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-12-02 07:13:14,784 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 35 states and 42 transitions. [2024-12-02 07:13:14,785 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2024-12-02 07:13:14,785 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 35 states to 35 states and 42 transitions. [2024-12-02 07:13:14,785 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2024-12-02 07:13:14,785 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2024-12-02 07:13:14,785 INFO L73 IsDeterministic]: Start isDeterministic. Operand 35 states and 42 transitions. [2024-12-02 07:13:14,785 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-12-02 07:13:14,785 INFO L218 hiAutomatonCegarLoop]: Abstraction has 35 states and 42 transitions. [2024-12-02 07:13:14,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states and 42 transitions. [2024-12-02 07:13:14,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 29. [2024-12-02 07:13:14,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 29 states have (on average 1.2413793103448276) internal successors, (36), 28 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 07:13:14,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 36 transitions. [2024-12-02 07:13:14,787 INFO L240 hiAutomatonCegarLoop]: Abstraction has 29 states and 36 transitions. [2024-12-02 07:13:14,787 INFO L425 stractBuchiCegarLoop]: Abstraction has 29 states and 36 transitions. [2024-12-02 07:13:14,787 INFO L332 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2024-12-02 07:13:14,787 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 29 states and 36 transitions. [2024-12-02 07:13:14,787 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2024-12-02 07:13:14,787 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-12-02 07:13:14,788 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-12-02 07:13:14,788 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2024-12-02 07:13:14,788 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2024-12-02 07:13:14,788 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~nondet13#1, main_#t~nondet14#1, main_#t~ret15#1;havoc main_#t~nondet13#1;havoc main_#t~nondet14#1;assume { :begin_inline_test_fun } true;test_fun_#in~x#1, test_fun_#in~y#1 := main_#t~nondet13#1, main_#t~nondet14#1;havoc test_fun_#res#1;havoc test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset, test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset, test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset, test_fun_#t~mem5#1, test_fun_#t~mem6#1, test_fun_#t~short7#1, test_fun_#t~mem8#1, test_fun_#t~mem9#1, test_fun_#t~mem10#1, test_fun_#t~mem11#1, test_fun_#t~mem12#1, test_fun_~x#1, test_fun_~y#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, test_fun_~c~0#1.base, test_fun_~c~0#1.offset;test_fun_~x#1 := test_fun_#in~x#1;test_fun_~y#1 := test_fun_#in~y#1;call test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset := test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset;call test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset := test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset;call test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);test_fun_~c~0#1.base, test_fun_~c~0#1.offset := test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset;call write~int#1(test_fun_~x#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int#0(test_fun_~y#1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int#2(0, test_fun_~c~0#1.base, test_fun_~c~0#1.offset, 4);" "call test_fun_#t~mem5#1 := read~int#1(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);test_fun_#t~short7#1 := test_fun_#t~mem5#1 > 0;" "assume !test_fun_#t~short7#1;call test_fun_#t~mem6#1 := read~int#0(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short7#1 := test_fun_#t~mem6#1 > 0;" [2024-12-02 07:13:14,788 INFO L749 eck$LassoCheckResult]: Loop: "assume test_fun_#t~short7#1;havoc test_fun_#t~mem5#1;havoc test_fun_#t~mem6#1;havoc test_fun_#t~short7#1;" "call test_fun_#t~mem8#1 := read~int#1(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);" "assume !(test_fun_#t~mem8#1 > 0);havoc test_fun_#t~mem8#1;call test_fun_#t~mem10#1 := read~int#0(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);" "assume !(test_fun_#t~mem10#1 > 0);havoc test_fun_#t~mem10#1;" "call test_fun_#t~mem5#1 := read~int#1(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);test_fun_#t~short7#1 := test_fun_#t~mem5#1 > 0;" "assume !test_fun_#t~short7#1;call test_fun_#t~mem6#1 := read~int#0(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short7#1 := test_fun_#t~mem6#1 > 0;" [2024-12-02 07:13:14,788 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:13:14,788 INFO L85 PathProgramCache]: Analyzing trace with hash 925640, now seen corresponding path program 1 times [2024-12-02 07:13:14,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 07:13:14,788 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [262298182] [2024-12-02 07:13:14,789 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:13:14,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:13:14,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 07:13:14,799 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 07:13:14,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 07:13:14,808 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 07:13:14,809 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:13:14,809 INFO L85 PathProgramCache]: Analyzing trace with hash 1335230895, now seen corresponding path program 1 times [2024-12-02 07:13:14,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 07:13:14,809 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2064270813] [2024-12-02 07:13:14,809 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:13:14,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:13:14,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 07:13:14,814 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 07:13:14,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 07:13:14,819 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 07:13:14,819 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:13:14,819 INFO L85 PathProgramCache]: Analyzing trace with hash -1924599754, now seen corresponding path program 1 times [2024-12-02 07:13:14,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 07:13:14,819 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2029218935] [2024-12-02 07:13:14,820 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:13:14,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:13:14,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:13:14,894 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-12-02 07:13:14,894 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2029218935] [2024-12-02 07:13:14,894 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2029218935] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 07:13:14,894 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [618518401] [2024-12-02 07:13:14,894 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:13:14,895 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 07:13:14,895 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450fdd93-b3a9-4544-bfc8-779c6852fbf3/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 07:13:14,898 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450fdd93-b3a9-4544-bfc8-779c6852fbf3/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 07:13:14,899 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450fdd93-b3a9-4544-bfc8-779c6852fbf3/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Waiting until timeout for monitored process [2024-12-02 07:13:14,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:13:14,958 INFO L256 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-02 07:13:14,959 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:13:14,972 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-12-02 07:13:14,974 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 07:13:14,990 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [618518401] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 07:13:14,990 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 07:13:14,990 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 5 [2024-12-02 07:13:14,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1356053181] [2024-12-02 07:13:14,991 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 07:13:15,095 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-12-02 07:13:15,096 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 07:13:15,096 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 07:13:15,096 INFO L87 Difference]: Start difference. First operand 29 states and 36 transitions. cyclomatic complexity: 11 Second operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 07:13:15,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:13:15,124 INFO L93 Difference]: Finished difference Result 27 states and 32 transitions. [2024-12-02 07:13:15,125 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 32 transitions. [2024-12-02 07:13:15,125 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-12-02 07:13:15,125 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 0 states and 0 transitions. [2024-12-02 07:13:15,125 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-12-02 07:13:15,125 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-12-02 07:13:15,125 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-12-02 07:13:15,125 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-12-02 07:13:15,125 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-12-02 07:13:15,125 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-12-02 07:13:15,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 07:13:15,126 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-12-02 07:13:15,127 INFO L332 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2024-12-02 07:13:15,127 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-12-02 07:13:15,127 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-12-02 07:13:15,127 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-12-02 07:13:15,135 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 02.12 07:13:15 BoogieIcfgContainer [2024-12-02 07:13:15,135 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-12-02 07:13:15,136 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 07:13:15,136 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 07:13:15,136 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 07:13:15,136 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:13:09" (3/4) ... [2024-12-02 07:13:15,138 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-02 07:13:15,139 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 07:13:15,140 INFO L158 Benchmark]: Toolchain (without parser) took 6796.59ms. Allocated memory was 117.4MB in the beginning and 201.3MB in the end (delta: 83.9MB). Free memory was 91.4MB in the beginning and 103.6MB in the end (delta: -12.2MB). Peak memory consumption was 71.1MB. Max. memory is 16.1GB. [2024-12-02 07:13:15,140 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 117.4MB. Free memory was 72.4MB in the beginning and 72.3MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 07:13:15,140 INFO L158 Benchmark]: CACSL2BoogieTranslator took 328.13ms. Allocated memory is still 117.4MB. Free memory was 91.4MB in the beginning and 75.1MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 07:13:15,140 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.83ms. Allocated memory is still 117.4MB. Free memory was 75.1MB in the beginning and 73.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 07:13:15,140 INFO L158 Benchmark]: Boogie Preprocessor took 34.60ms. Allocated memory is still 117.4MB. Free memory was 73.7MB in the beginning and 72.1MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 07:13:15,141 INFO L158 Benchmark]: RCFGBuilder took 268.48ms. Allocated memory is still 117.4MB. Free memory was 72.1MB in the beginning and 60.2MB in the end (delta: 11.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 07:13:15,141 INFO L158 Benchmark]: BuchiAutomizer took 6122.66ms. Allocated memory was 117.4MB in the beginning and 201.3MB in the end (delta: 83.9MB). Free memory was 60.0MB in the beginning and 103.6MB in the end (delta: -43.6MB). Peak memory consumption was 37.6MB. Max. memory is 16.1GB. [2024-12-02 07:13:15,141 INFO L158 Benchmark]: Witness Printer took 3.28ms. Allocated memory is still 201.3MB. Free memory was 103.6MB in the beginning and 103.6MB in the end (delta: 39.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 07:13:15,143 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 117.4MB. Free memory was 72.4MB in the beginning and 72.3MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 328.13ms. Allocated memory is still 117.4MB. Free memory was 91.4MB in the beginning and 75.1MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.83ms. Allocated memory is still 117.4MB. Free memory was 75.1MB in the beginning and 73.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 34.60ms. Allocated memory is still 117.4MB. Free memory was 73.7MB in the beginning and 72.1MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 268.48ms. Allocated memory is still 117.4MB. Free memory was 72.1MB in the beginning and 60.2MB in the end (delta: 11.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 6122.66ms. Allocated memory was 117.4MB in the beginning and 201.3MB in the end (delta: 83.9MB). Free memory was 60.0MB in the beginning and 103.6MB in the end (delta: -43.6MB). Peak memory consumption was 37.6MB. Max. memory is 16.1GB. * Witness Printer took 3.28ms. Allocated memory is still 201.3MB. Free memory was 103.6MB in the beginning and 103.6MB in the end (delta: 39.1kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[~x_ref~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#0,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#0,GLOBAL],[IdentifierExpression[~y_ref~0!base,]]] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 5 terminating modules (3 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function null and consists of 6 locations. One deterministic module has affine ranking function null and consists of 6 locations. 3 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 6.0s and 6 iterations. TraceHistogramMax:1. Analysis of lassos took 5.3s. Construction of modules took 0.0s. Büchi inclusion checks took 0.5s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 4. Automata minimization 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 21 StatesRemovedByMinimization, 3 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 [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 68 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 68 mSDsluCounter, 116 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 68 mSDsCounter, 12 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 92 IncrementalHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12 mSolverCounterUnsat, 48 mSDtfsCounter, 92 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc3 concLT0 SILN0 SILU0 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital201 mio100 ax109 hnf100 lsp94 ukn68 mio100 lsp26 div100 bol100 ite100 ukn100 eq160 hnf90 smp100 dnf119 smp86 tf100 neg100 sie102 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 21ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2024-12-02 07:13:15,158 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450fdd93-b3a9-4544-bfc8-779c6852fbf3/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Ended with exit code 0 [2024-12-02 07:13:15,355 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450fdd93-b3a9-4544-bfc8-779c6852fbf3/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Ended with exit code 0 [2024-12-02 07:13:15,555 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450fdd93-b3a9-4544-bfc8-779c6852fbf3/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2024-12-02 07:13:15,756 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_450fdd93-b3a9-4544-bfc8-779c6852fbf3/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE