./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/array-industry-pattern/array_shadowinit.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8feb5c-9f24-4ee2-93bb-450fb80b1a84/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8feb5c-9f24-4ee2-93bb-450fb80b1a84/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8feb5c-9f24-4ee2-93bb-450fb80b1a84/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8feb5c-9f24-4ee2-93bb-450fb80b1a84/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/array-industry-pattern/array_shadowinit.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8feb5c-9f24-4ee2-93bb-450fb80b1a84/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8feb5c-9f24-4ee2-93bb-450fb80b1a84/bin/uautomizer-verify-aQ6SnzHsRB --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 03931b69e9073178e54f20b91a2b2a66154a89c69758aa4d312927278c5c0104 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-27 23:33:33,487 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-27 23:33:33,593 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8feb5c-9f24-4ee2-93bb-450fb80b1a84/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-27 23:33:33,603 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-27 23:33:33,607 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-27 23:33:33,633 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-27 23:33:33,634 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-27 23:33:33,634 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-27 23:33:33,634 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-27 23:33:33,635 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-27 23:33:33,635 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-27 23:33:33,635 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-27 23:33:33,635 INFO L153 SettingsManager]: * Use SBE=true [2024-11-27 23:33:33,635 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-27 23:33:33,635 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-27 23:33:33,636 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-27 23:33:33,636 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-27 23:33:33,636 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-27 23:33:33,636 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-27 23:33:33,636 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-27 23:33:33,636 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-27 23:33:33,636 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-27 23:33:33,636 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-27 23:33:33,637 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-27 23:33:33,637 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-27 23:33:33,637 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-27 23:33:33,637 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-27 23:33:33,637 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-27 23:33:33,637 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-27 23:33:33,637 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-27 23:33:33,637 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-27 23:33:33,637 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-27 23:33:33,637 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-27 23:33:33,638 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-27 23:33:33,638 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-27 23:33:33,638 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 23:33:33,638 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-27 23:33:33,638 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL_NO_AM [2024-11-27 23:33:33,638 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-27 23:33:33,639 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_0e8feb5c-9f24-4ee2-93bb-450fb80b1a84/bin/uautomizer-verify-aQ6SnzHsRB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 03931b69e9073178e54f20b91a2b2a66154a89c69758aa4d312927278c5c0104 [2024-11-27 23:33:33,924 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-27 23:33:33,941 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-27 23:33:33,943 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-27 23:33:33,945 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-27 23:33:33,945 INFO L274 PluginConnector]: CDTParser initialized [2024-11-27 23:33:33,949 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8feb5c-9f24-4ee2-93bb-450fb80b1a84/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/array-industry-pattern/array_shadowinit.i [2024-11-27 23:33:37,026 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8feb5c-9f24-4ee2-93bb-450fb80b1a84/bin/uautomizer-verify-aQ6SnzHsRB/data/7bcd8d70b/f46d48db6d514126b4af405a1ded4123/FLAGf61c34d81 [2024-11-27 23:33:37,276 INFO L384 CDTParser]: Found 1 translation units. [2024-11-27 23:33:37,277 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8feb5c-9f24-4ee2-93bb-450fb80b1a84/sv-benchmarks/c/array-industry-pattern/array_shadowinit.i [2024-11-27 23:33:37,286 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8feb5c-9f24-4ee2-93bb-450fb80b1a84/bin/uautomizer-verify-aQ6SnzHsRB/data/7bcd8d70b/f46d48db6d514126b4af405a1ded4123/FLAGf61c34d81 [2024-11-27 23:33:37,303 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8feb5c-9f24-4ee2-93bb-450fb80b1a84/bin/uautomizer-verify-aQ6SnzHsRB/data/7bcd8d70b/f46d48db6d514126b4af405a1ded4123 [2024-11-27 23:33:37,305 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-27 23:33:37,307 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-27 23:33:37,309 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-27 23:33:37,309 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-27 23:33:37,314 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-27 23:33:37,315 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:33:37" (1/1) ... [2024-11-27 23:33:37,316 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65337601 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:33:37, skipping insertion in model container [2024-11-27 23:33:37,317 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:33:37" (1/1) ... [2024-11-27 23:33:37,334 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-27 23:33:37,492 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 23:33:37,504 INFO L200 MainTranslator]: Completed pre-run [2024-11-27 23:33:37,522 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 23:33:37,538 INFO L204 MainTranslator]: Completed translation [2024-11-27 23:33:37,539 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:33:37 WrapperNode [2024-11-27 23:33:37,539 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-27 23:33:37,540 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-27 23:33:37,541 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-27 23:33:37,541 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-27 23:33:37,548 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:33:37" (1/1) ... [2024-11-27 23:33:37,559 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:33:37" (1/1) ... [2024-11-27 23:33:37,583 INFO L138 Inliner]: procedures = 16, calls = 12, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 44 [2024-11-27 23:33:37,583 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-27 23:33:37,584 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-27 23:33:37,585 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-27 23:33:37,585 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-27 23:33:37,596 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:33:37" (1/1) ... [2024-11-27 23:33:37,596 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:33:37" (1/1) ... [2024-11-27 23:33:37,598 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:33:37" (1/1) ... [2024-11-27 23:33:37,624 INFO L175 MemorySlicer]: Split 4 memory accesses to 2 slices as follows [2, 2]. 50 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 1 writes are split as follows [0, 1]. [2024-11-27 23:33:37,625 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:33:37" (1/1) ... [2024-11-27 23:33:37,625 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:33:37" (1/1) ... [2024-11-27 23:33:37,630 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:33:37" (1/1) ... [2024-11-27 23:33:37,634 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:33:37" (1/1) ... [2024-11-27 23:33:37,641 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:33:37" (1/1) ... [2024-11-27 23:33:37,646 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:33:37" (1/1) ... [2024-11-27 23:33:37,647 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:33:37" (1/1) ... [2024-11-27 23:33:37,649 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-27 23:33:37,653 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-27 23:33:37,653 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-27 23:33:37,653 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-27 23:33:37,654 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:33:37" (1/1) ... [2024-11-27 23:33:37,664 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:33:37,685 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8feb5c-9f24-4ee2-93bb-450fb80b1a84/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:33:37,703 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8feb5c-9f24-4ee2-93bb-450fb80b1a84/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:33:37,707 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8feb5c-9f24-4ee2-93bb-450fb80b1a84/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-27 23:33:37,741 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-27 23:33:37,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-27 23:33:37,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-27 23:33:37,742 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-27 23:33:37,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-27 23:33:37,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-27 23:33:37,742 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-27 23:33:37,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-27 23:33:37,742 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-27 23:33:37,742 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-27 23:33:37,742 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-27 23:33:37,838 INFO L234 CfgBuilder]: Building ICFG [2024-11-27 23:33:37,841 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-27 23:33:38,044 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-27 23:33:38,044 INFO L283 CfgBuilder]: Performing block encoding [2024-11-27 23:33:38,061 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-27 23:33:38,062 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-27 23:33:38,062 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:33:38 BoogieIcfgContainer [2024-11-27 23:33:38,062 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-27 23:33:38,063 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-27 23:33:38,063 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-27 23:33:38,074 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-27 23:33:38,075 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-27 23:33:38,076 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 27.11 11:33:37" (1/3) ... [2024-11-27 23:33:38,078 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@187b00da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 27.11 11:33:38, skipping insertion in model container [2024-11-27 23:33:38,078 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-27 23:33:38,078 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:33:37" (2/3) ... [2024-11-27 23:33:38,079 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@187b00da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 27.11 11:33:38, skipping insertion in model container [2024-11-27 23:33:38,079 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-27 23:33:38,079 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:33:38" (3/3) ... [2024-11-27 23:33:38,081 INFO L363 chiAutomizerObserver]: Analyzing ICFG array_shadowinit.i [2024-11-27 23:33:38,160 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-27 23:33:38,161 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-27 23:33:38,161 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-27 23:33:38,162 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-27 23:33:38,162 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-27 23:33:38,162 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-27 23:33:38,162 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-27 23:33:38,162 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-27 23:33:38,170 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 18 states, 17 states have (on average 1.411764705882353) internal successors, (24), 17 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:33:38,189 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2024-11-27 23:33:38,189 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-27 23:33:38,189 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-27 23:33:38,194 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-11-27 23:33:38,195 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-27 23:33:38,195 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-27 23:33:38,195 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 18 states, 17 states have (on average 1.411764705882353) internal successors, (24), 17 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:33:38,196 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2024-11-27 23:33:38,197 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-27 23:33:38,197 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-27 23:33:38,197 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-11-27 23:33:38,197 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-27 23:33:38,205 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(19, 2);~N~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~mem2#1, main_~i~0#1, main_~k~0#1, main_~#a~0#1.base, main_~#a~0#1.offset;havoc main_#t~nondet1#1;~N~0 := main_#t~nondet1#1;havoc main_#t~nondet1#1;" "assume ~N~0 > 0;havoc main_~i~0#1;havoc main_~k~0#1;call main_~#a~0#1.base, main_~#a~0#1.offset := #Ultimate.allocOnStack(4 * ~N~0 % 4294967296);main_~i~0#1 := 0;main_~k~0#1 := 0;" [2024-11-27 23:33:38,206 INFO L749 eck$LassoCheckResult]: Loop: "assume main_~i~0#1 < ~N~0;" "call write~int#1(main_~k~0#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~k~0#1, 4);main_~i~0#1 := 1 + main_~i~0#1;main_~k~0#1 := 1 + main_~k~0#1;" [2024-11-27 23:33:38,210 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:33:38,210 INFO L85 PathProgramCache]: Analyzing trace with hash 29858, now seen corresponding path program 1 times [2024-11-27 23:33:38,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 23:33:38,216 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [386990240] [2024-11-27 23:33:38,217 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:33:38,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:33:38,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:33:38,308 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 23:33:38,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:33:38,351 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 23:33:38,355 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:33:38,356 INFO L85 PathProgramCache]: Analyzing trace with hash 1317, now seen corresponding path program 1 times [2024-11-27 23:33:38,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 23:33:38,357 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1895945176] [2024-11-27 23:33:38,357 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:33:38,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:33:38,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:33:38,378 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 23:33:38,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:33:38,392 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 23:33:38,398 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:33:38,398 INFO L85 PathProgramCache]: Analyzing trace with hash 28693894, now seen corresponding path program 1 times [2024-11-27 23:33:38,399 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 23:33:38,399 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [276573801] [2024-11-27 23:33:38,399 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:33:38,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:33:38,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:33:38,445 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 23:33:38,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:33:38,474 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 23:33:39,171 INFO L204 LassoAnalysis]: Preferences: [2024-11-27 23:33:39,171 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-27 23:33:39,172 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-27 23:33:39,172 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-27 23:33:39,172 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-27 23:33:39,172 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:33:39,172 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-27 23:33:39,172 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-27 23:33:39,173 INFO L132 ssoRankerPreferences]: Filename of dumped script: array_shadowinit.i_Iteration1_Lasso [2024-11-27 23:33:39,173 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-27 23:33:39,175 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-27 23:33:39,197 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:33:39,237 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:33:39,243 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:33:39,248 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:33:39,255 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:33:39,958 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-27 23:33:39,963 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-27 23:33:39,965 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:33:39,965 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8feb5c-9f24-4ee2-93bb-450fb80b1a84/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:33:39,968 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8feb5c-9f24-4ee2-93bb-450fb80b1a84/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:33:39,972 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8feb5c-9f24-4ee2-93bb-450fb80b1a84/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2024-11-27 23:33:39,974 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:33:39,992 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:33:39,992 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:33:39,992 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:33:39,993 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:33:40,001 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:33:40,001 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:33:40,008 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:33:40,019 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8feb5c-9f24-4ee2-93bb-450fb80b1a84/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2024-11-27 23:33:40,020 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:33:40,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8feb5c-9f24-4ee2-93bb-450fb80b1a84/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:33:40,022 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8feb5c-9f24-4ee2-93bb-450fb80b1a84/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:33:40,026 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:33:40,028 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8feb5c-9f24-4ee2-93bb-450fb80b1a84/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-11-27 23:33:40,043 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:33:40,043 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:33:40,043 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:33:40,044 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:33:40,047 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:33:40,047 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:33:40,052 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:33:40,064 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8feb5c-9f24-4ee2-93bb-450fb80b1a84/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2024-11-27 23:33:40,064 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:33:40,064 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8feb5c-9f24-4ee2-93bb-450fb80b1a84/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:33:40,067 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8feb5c-9f24-4ee2-93bb-450fb80b1a84/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:33:40,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8feb5c-9f24-4ee2-93bb-450fb80b1a84/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-11-27 23:33:40,075 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:33:40,093 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:33:40,093 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:33:40,094 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:33:40,094 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:33:40,094 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:33:40,095 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:33:40,095 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:33:40,097 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:33:40,109 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8feb5c-9f24-4ee2-93bb-450fb80b1a84/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2024-11-27 23:33:40,110 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:33:40,111 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8feb5c-9f24-4ee2-93bb-450fb80b1a84/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:33:40,113 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8feb5c-9f24-4ee2-93bb-450fb80b1a84/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:33:40,119 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8feb5c-9f24-4ee2-93bb-450fb80b1a84/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-11-27 23:33:40,120 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:33:40,138 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:33:40,138 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:33:40,139 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:33:40,139 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:33:40,140 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:33:40,144 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:33:40,144 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:33:40,147 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:33:40,155 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8feb5c-9f24-4ee2-93bb-450fb80b1a84/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2024-11-27 23:33:40,156 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:33:40,156 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8feb5c-9f24-4ee2-93bb-450fb80b1a84/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:33:40,158 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8feb5c-9f24-4ee2-93bb-450fb80b1a84/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:33:40,160 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8feb5c-9f24-4ee2-93bb-450fb80b1a84/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2024-11-27 23:33:40,160 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:33:40,175 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:33:40,175 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:33:40,175 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:33:40,175 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:33:40,175 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:33:40,176 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:33:40,176 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:33:40,178 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:33:40,189 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8feb5c-9f24-4ee2-93bb-450fb80b1a84/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2024-11-27 23:33:40,190 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:33:40,190 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8feb5c-9f24-4ee2-93bb-450fb80b1a84/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:33:40,192 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8feb5c-9f24-4ee2-93bb-450fb80b1a84/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:33:40,196 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8feb5c-9f24-4ee2-93bb-450fb80b1a84/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2024-11-27 23:33:40,198 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:33:40,214 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:33:40,214 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:33:40,215 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:33:40,215 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:33:40,219 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:33:40,219 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:33:40,225 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:33:40,235 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8feb5c-9f24-4ee2-93bb-450fb80b1a84/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2024-11-27 23:33:40,236 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:33:40,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8feb5c-9f24-4ee2-93bb-450fb80b1a84/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:33:40,239 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8feb5c-9f24-4ee2-93bb-450fb80b1a84/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:33:40,241 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8feb5c-9f24-4ee2-93bb-450fb80b1a84/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2024-11-27 23:33:40,244 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:33:40,260 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:33:40,260 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:33:40,260 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:33:40,261 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:33:40,277 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:33:40,278 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:33:40,300 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-27 23:33:40,336 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2024-11-27 23:33:40,339 INFO L444 ModelExtractionUtils]: 4 out of 19 variables were initially zero. Simplification set additionally 9 variables to zero. [2024-11-27 23:33:40,341 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:33:40,341 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8feb5c-9f24-4ee2-93bb-450fb80b1a84/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:33:40,344 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8feb5c-9f24-4ee2-93bb-450fb80b1a84/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:33:40,347 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8feb5c-9f24-4ee2-93bb-450fb80b1a84/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2024-11-27 23:33:40,349 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-27 23:33:40,368 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2024-11-27 23:33:40,368 INFO L474 LassoAnalysis]: Proved termination. [2024-11-27 23:33:40,369 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1, v_rep(select #length ULTIMATE.start_main_~#a~0#1.base)_1) = -2*ULTIMATE.start_main_~i~0#1 + 1*v_rep(select #length ULTIMATE.start_main_~#a~0#1.base)_1 Supporting invariants [-2*ULTIMATE.start_main_~i~0#1 + 1*ULTIMATE.start_main_~#a~0#1.offset + 4*ULTIMATE.start_main_~k~0#1 >= 0] [2024-11-27 23:33:40,381 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8feb5c-9f24-4ee2-93bb-450fb80b1a84/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2024-11-27 23:33:40,410 INFO L156 tatePredicateManager]: 4 out of 5 supporting invariants were superfluous and have been removed [2024-11-27 23:33:40,428 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-27 23:33:40,429 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-27 23:33:40,475 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:33:40,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:33:40,501 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-27 23:33:40,503 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:33:40,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:33:40,535 WARN L254 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-27 23:33:40,536 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:33:40,562 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:33:40,598 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2024-11-27 23:33:40,627 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 18 states, 17 states have (on average 1.411764705882353) internal successors, (24), 17 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:33:40,660 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8feb5c-9f24-4ee2-93bb-450fb80b1a84/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2024-11-27 23:33:40,695 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 18 states, 17 states have (on average 1.411764705882353) internal successors, (24), 17 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 37 states and 48 transitions. Complement of second has 6 states. [2024-11-27 23:33:40,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-27 23:33:40,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:33:40,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 26 transitions. [2024-11-27 23:33:40,718 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 26 transitions. Stem has 3 letters. Loop has 2 letters. [2024-11-27 23:33:40,721 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 23:33:40,721 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 26 transitions. Stem has 5 letters. Loop has 2 letters. [2024-11-27 23:33:40,722 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 23:33:40,722 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 26 transitions. Stem has 3 letters. Loop has 4 letters. [2024-11-27 23:33:40,723 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 23:33:40,723 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 37 states and 48 transitions. [2024-11-27 23:33:40,726 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2024-11-27 23:33:40,730 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 37 states to 14 states and 18 transitions. [2024-11-27 23:33:40,732 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2024-11-27 23:33:40,733 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2024-11-27 23:33:40,734 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 18 transitions. [2024-11-27 23:33:40,734 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-27 23:33:40,734 INFO L218 hiAutomatonCegarLoop]: Abstraction has 14 states and 18 transitions. [2024-11-27 23:33:40,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states and 18 transitions. [2024-11-27 23:33:40,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2024-11-27 23:33:40,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 1.2857142857142858) internal successors, (18), 13 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:33:40,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 18 transitions. [2024-11-27 23:33:40,765 INFO L240 hiAutomatonCegarLoop]: Abstraction has 14 states and 18 transitions. [2024-11-27 23:33:40,765 INFO L425 stractBuchiCegarLoop]: Abstraction has 14 states and 18 transitions. [2024-11-27 23:33:40,765 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-27 23:33:40,766 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 18 transitions. [2024-11-27 23:33:40,766 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2024-11-27 23:33:40,768 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-27 23:33:40,768 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-27 23:33:40,768 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2024-11-27 23:33:40,768 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-27 23:33:40,769 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(19, 2);~N~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~mem2#1, main_~i~0#1, main_~k~0#1, main_~#a~0#1.base, main_~#a~0#1.offset;havoc main_#t~nondet1#1;~N~0 := main_#t~nondet1#1;havoc main_#t~nondet1#1;" "assume ~N~0 > 0;havoc main_~i~0#1;havoc main_~k~0#1;call main_~#a~0#1.base, main_~#a~0#1.offset := #Ultimate.allocOnStack(4 * ~N~0 % 4294967296);main_~i~0#1 := 0;main_~k~0#1 := 0;" "assume !(main_~i~0#1 < ~N~0);" "main_~i~0#1 := 0;" [2024-11-27 23:33:40,769 INFO L749 eck$LassoCheckResult]: Loop: "assume main_~i~0#1 < ~N~0;" "call main_#t~mem2#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_#t~mem2#1 == main_~i~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1;" "assume !(0 == __VERIFIER_assert_~cond#1);" "havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;havoc main_#t~mem2#1;main_~i~0#1 := 1 + main_~i~0#1;" [2024-11-27 23:33:40,769 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:33:40,769 INFO L85 PathProgramCache]: Analyzing trace with hash 28693960, now seen corresponding path program 1 times [2024-11-27 23:33:40,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 23:33:40,769 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1258470993] [2024-11-27 23:33:40,770 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:33:40,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:33:40,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:33:40,919 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-27 23:33:40,919 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1258470993] [2024-11-27 23:33:40,920 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1258470993] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:33:40,920 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1614933639] [2024-11-27 23:33:40,920 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:33:40,920 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:33:40,920 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8feb5c-9f24-4ee2-93bb-450fb80b1a84/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:33:40,922 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8feb5c-9f24-4ee2-93bb-450fb80b1a84/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:33:40,927 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8feb5c-9f24-4ee2-93bb-450fb80b1a84/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-27 23:33:40,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:33:40,975 INFO L256 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-27 23:33:40,976 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:33:41,004 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:33:41,024 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1614933639] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 23:33:41,024 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 23:33:41,025 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2024-11-27 23:33:41,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [733635954] [2024-11-27 23:33:41,027 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 23:33:41,029 INFO L752 eck$LassoCheckResult]: stem already infeasible [2024-11-27 23:33:41,030 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:33:41,030 INFO L85 PathProgramCache]: Analyzing trace with hash 1697543, now seen corresponding path program 1 times [2024-11-27 23:33:41,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 23:33:41,030 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [328029658] [2024-11-27 23:33:41,030 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:33:41,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:33:41,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:33:41,053 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 23:33:41,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:33:41,072 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 23:33:41,174 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-27 23:33:41,176 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 23:33:41,177 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-27 23:33:41,178 INFO L87 Difference]: Start difference. First operand 14 states and 18 transitions. cyclomatic complexity: 6 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) [2024-11-27 23:33:41,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:33:41,230 INFO L93 Difference]: Finished difference Result 14 states and 15 transitions. [2024-11-27 23:33:41,231 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 14 states and 15 transitions. [2024-11-27 23:33:41,231 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-11-27 23:33:41,233 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 14 states to 12 states and 13 transitions. [2024-11-27 23:33:41,233 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2024-11-27 23:33:41,233 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2024-11-27 23:33:41,234 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 13 transitions. [2024-11-27 23:33:41,234 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-27 23:33:41,234 INFO L218 hiAutomatonCegarLoop]: Abstraction has 12 states and 13 transitions. [2024-11-27 23:33:41,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states and 13 transitions. [2024-11-27 23:33:41,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 11. [2024-11-27 23:33:41,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 10 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:33:41,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 12 transitions. [2024-11-27 23:33:41,236 INFO L240 hiAutomatonCegarLoop]: Abstraction has 11 states and 12 transitions. [2024-11-27 23:33:41,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 23:33:41,238 INFO L425 stractBuchiCegarLoop]: Abstraction has 11 states and 12 transitions. [2024-11-27 23:33:41,238 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-27 23:33:41,238 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states and 12 transitions. [2024-11-27 23:33:41,239 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-11-27 23:33:41,241 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-27 23:33:41,241 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-27 23:33:41,242 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:33:41,242 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-27 23:33:41,242 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(19, 2);~N~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~mem2#1, main_~i~0#1, main_~k~0#1, main_~#a~0#1.base, main_~#a~0#1.offset;havoc main_#t~nondet1#1;~N~0 := main_#t~nondet1#1;havoc main_#t~nondet1#1;" "assume ~N~0 > 0;havoc main_~i~0#1;havoc main_~k~0#1;call main_~#a~0#1.base, main_~#a~0#1.offset := #Ultimate.allocOnStack(4 * ~N~0 % 4294967296);main_~i~0#1 := 0;main_~k~0#1 := 0;" "assume main_~i~0#1 < ~N~0;" "call write~int#1(main_~k~0#1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~k~0#1, 4);main_~i~0#1 := 1 + main_~i~0#1;main_~k~0#1 := 1 + main_~k~0#1;" "assume !(main_~i~0#1 < ~N~0);" "main_~i~0#1 := 0;" [2024-11-27 23:33:41,242 INFO L749 eck$LassoCheckResult]: Loop: "assume main_~i~0#1 < ~N~0;" "call main_#t~mem2#1 := read~int#1(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_#t~mem2#1 == main_~i~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1;" "assume !(0 == __VERIFIER_assert_~cond#1);" "havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;havoc main_#t~mem2#1;main_~i~0#1 := 1 + main_~i~0#1;" [2024-11-27 23:33:41,242 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:33:41,243 INFO L85 PathProgramCache]: Analyzing trace with hash 1805028780, now seen corresponding path program 1 times [2024-11-27 23:33:41,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 23:33:41,243 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383979125] [2024-11-27 23:33:41,243 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:33:41,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:33:41,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:33:41,262 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 23:33:41,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:33:41,277 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 23:33:41,277 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:33:41,277 INFO L85 PathProgramCache]: Analyzing trace with hash 1697543, now seen corresponding path program 2 times [2024-11-27 23:33:41,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 23:33:41,278 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1208812498] [2024-11-27 23:33:41,278 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:33:41,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:33:41,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:33:41,287 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 23:33:41,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:33:41,294 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 23:33:41,294 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:33:41,294 INFO L85 PathProgramCache]: Analyzing trace with hash 2097915698, now seen corresponding path program 1 times [2024-11-27 23:33:41,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 23:33:41,295 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [991371753] [2024-11-27 23:33:41,295 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:33:41,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:33:41,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:33:41,313 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 23:33:41,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:33:41,338 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 23:33:41,749 INFO L204 LassoAnalysis]: Preferences: [2024-11-27 23:33:41,749 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-27 23:33:41,750 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-27 23:33:41,750 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-27 23:33:41,750 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-27 23:33:41,750 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:33:41,750 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-27 23:33:41,750 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-27 23:33:41,750 INFO L132 ssoRankerPreferences]: Filename of dumped script: array_shadowinit.i_Iteration3_Lasso [2024-11-27 23:33:41,750 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-27 23:33:41,750 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-27 23:33:41,753 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:33:41,756 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:33:41,764 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:33:41,768 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:33:41,771 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:33:41,775 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:33:41,806 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:33:41,809 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 23:33:42,289 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-27 23:33:42,289 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-27 23:33:42,289 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:33:42,290 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8feb5c-9f24-4ee2-93bb-450fb80b1a84/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:33:42,292 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8feb5c-9f24-4ee2-93bb-450fb80b1a84/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:33:42,294 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8feb5c-9f24-4ee2-93bb-450fb80b1a84/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2024-11-27 23:33:42,295 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:33:42,311 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:33:42,311 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:33:42,311 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:33:42,311 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:33:42,311 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:33:42,312 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:33:42,312 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:33:42,317 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:33:42,327 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8feb5c-9f24-4ee2-93bb-450fb80b1a84/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2024-11-27 23:33:42,328 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:33:42,328 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8feb5c-9f24-4ee2-93bb-450fb80b1a84/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:33:42,330 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8feb5c-9f24-4ee2-93bb-450fb80b1a84/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:33:42,335 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8feb5c-9f24-4ee2-93bb-450fb80b1a84/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2024-11-27 23:33:42,336 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:33:42,351 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:33:42,351 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:33:42,351 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:33:42,351 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:33:42,351 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:33:42,352 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:33:42,352 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:33:42,357 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:33:42,367 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8feb5c-9f24-4ee2-93bb-450fb80b1a84/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2024-11-27 23:33:42,367 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:33:42,367 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8feb5c-9f24-4ee2-93bb-450fb80b1a84/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:33:42,369 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8feb5c-9f24-4ee2-93bb-450fb80b1a84/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:33:42,375 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8feb5c-9f24-4ee2-93bb-450fb80b1a84/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2024-11-27 23:33:42,375 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:33:42,389 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:33:42,389 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:33:42,389 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:33:42,389 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:33:42,389 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:33:42,390 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:33:42,390 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:33:42,391 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:33:42,398 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8feb5c-9f24-4ee2-93bb-450fb80b1a84/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2024-11-27 23:33:42,398 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:33:42,399 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8feb5c-9f24-4ee2-93bb-450fb80b1a84/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:33:42,401 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8feb5c-9f24-4ee2-93bb-450fb80b1a84/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:33:42,402 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8feb5c-9f24-4ee2-93bb-450fb80b1a84/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2024-11-27 23:33:42,403 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:33:42,419 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:33:42,419 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:33:42,419 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:33:42,419 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:33:42,419 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:33:42,420 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:33:42,420 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:33:42,422 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:33:42,432 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8feb5c-9f24-4ee2-93bb-450fb80b1a84/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2024-11-27 23:33:42,433 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:33:42,433 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8feb5c-9f24-4ee2-93bb-450fb80b1a84/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:33:42,435 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8feb5c-9f24-4ee2-93bb-450fb80b1a84/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:33:42,439 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8feb5c-9f24-4ee2-93bb-450fb80b1a84/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2024-11-27 23:33:42,439 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:33:42,456 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:33:42,456 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:33:42,456 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:33:42,456 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:33:42,459 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:33:42,459 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:33:42,463 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:33:42,473 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8feb5c-9f24-4ee2-93bb-450fb80b1a84/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2024-11-27 23:33:42,474 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:33:42,474 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8feb5c-9f24-4ee2-93bb-450fb80b1a84/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:33:42,476 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8feb5c-9f24-4ee2-93bb-450fb80b1a84/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:33:42,480 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:33:42,481 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8feb5c-9f24-4ee2-93bb-450fb80b1a84/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2024-11-27 23:33:42,497 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:33:42,497 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:33:42,497 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:33:42,497 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:33:42,499 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:33:42,499 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:33:42,504 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:33:42,515 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8feb5c-9f24-4ee2-93bb-450fb80b1a84/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2024-11-27 23:33:42,515 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:33:42,515 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8feb5c-9f24-4ee2-93bb-450fb80b1a84/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:33:42,517 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8feb5c-9f24-4ee2-93bb-450fb80b1a84/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:33:42,521 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8feb5c-9f24-4ee2-93bb-450fb80b1a84/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2024-11-27 23:33:42,522 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:33:42,539 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:33:42,539 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:33:42,539 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:33:42,539 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:33:42,542 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:33:42,542 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:33:42,546 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:33:42,556 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8feb5c-9f24-4ee2-93bb-450fb80b1a84/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2024-11-27 23:33:42,557 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:33:42,557 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8feb5c-9f24-4ee2-93bb-450fb80b1a84/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:33:42,559 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8feb5c-9f24-4ee2-93bb-450fb80b1a84/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:33:42,564 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8feb5c-9f24-4ee2-93bb-450fb80b1a84/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2024-11-27 23:33:42,564 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:33:42,580 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:33:42,580 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-27 23:33:42,581 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:33:42,581 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:33:42,581 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:33:42,581 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-27 23:33:42,581 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-27 23:33:42,585 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:33:42,596 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8feb5c-9f24-4ee2-93bb-450fb80b1a84/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2024-11-27 23:33:42,596 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:33:42,596 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8feb5c-9f24-4ee2-93bb-450fb80b1a84/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:33:42,599 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8feb5c-9f24-4ee2-93bb-450fb80b1a84/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:33:42,604 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8feb5c-9f24-4ee2-93bb-450fb80b1a84/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2024-11-27 23:33:42,604 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:33:42,620 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:33:42,620 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:33:42,620 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:33:42,620 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:33:42,624 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:33:42,624 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:33:42,631 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:33:42,642 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8feb5c-9f24-4ee2-93bb-450fb80b1a84/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2024-11-27 23:33:42,642 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:33:42,642 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8feb5c-9f24-4ee2-93bb-450fb80b1a84/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:33:42,644 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8feb5c-9f24-4ee2-93bb-450fb80b1a84/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:33:42,648 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8feb5c-9f24-4ee2-93bb-450fb80b1a84/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2024-11-27 23:33:42,649 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:33:42,665 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:33:42,665 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:33:42,665 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:33:42,665 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:33:42,667 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:33:42,667 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:33:42,672 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:33:42,682 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8feb5c-9f24-4ee2-93bb-450fb80b1a84/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2024-11-27 23:33:42,683 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:33:42,684 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8feb5c-9f24-4ee2-93bb-450fb80b1a84/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:33:42,686 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8feb5c-9f24-4ee2-93bb-450fb80b1a84/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:33:42,689 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8feb5c-9f24-4ee2-93bb-450fb80b1a84/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2024-11-27 23:33:42,691 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:33:42,707 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:33:42,707 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:33:42,707 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:33:42,707 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:33:42,709 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:33:42,710 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:33:42,715 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:33:42,725 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8feb5c-9f24-4ee2-93bb-450fb80b1a84/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2024-11-27 23:33:42,728 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:33:42,728 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8feb5c-9f24-4ee2-93bb-450fb80b1a84/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:33:42,733 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8feb5c-9f24-4ee2-93bb-450fb80b1a84/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:33:42,737 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8feb5c-9f24-4ee2-93bb-450fb80b1a84/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2024-11-27 23:33:42,738 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:33:42,754 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:33:42,754 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:33:42,754 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:33:42,754 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:33:42,758 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:33:42,759 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:33:42,765 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:33:42,775 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8feb5c-9f24-4ee2-93bb-450fb80b1a84/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2024-11-27 23:33:42,775 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:33:42,776 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8feb5c-9f24-4ee2-93bb-450fb80b1a84/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:33:42,778 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8feb5c-9f24-4ee2-93bb-450fb80b1a84/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:33:42,781 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8feb5c-9f24-4ee2-93bb-450fb80b1a84/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2024-11-27 23:33:42,782 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:33:42,798 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:33:42,799 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:33:42,799 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:33:42,799 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:33:42,802 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:33:42,802 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:33:42,807 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:33:42,817 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8feb5c-9f24-4ee2-93bb-450fb80b1a84/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2024-11-27 23:33:42,818 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:33:42,818 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8feb5c-9f24-4ee2-93bb-450fb80b1a84/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:33:42,820 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8feb5c-9f24-4ee2-93bb-450fb80b1a84/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:33:42,823 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8feb5c-9f24-4ee2-93bb-450fb80b1a84/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2024-11-27 23:33:42,824 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:33:42,840 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:33:42,840 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:33:42,840 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:33:42,840 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:33:42,842 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:33:42,842 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:33:42,847 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-27 23:33:42,856 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8feb5c-9f24-4ee2-93bb-450fb80b1a84/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2024-11-27 23:33:42,857 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:33:42,857 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8feb5c-9f24-4ee2-93bb-450fb80b1a84/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:33:42,859 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8feb5c-9f24-4ee2-93bb-450fb80b1a84/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:33:42,863 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8feb5c-9f24-4ee2-93bb-450fb80b1a84/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2024-11-27 23:33:42,865 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-27 23:33:42,881 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-27 23:33:42,881 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-27 23:33:42,881 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-27 23:33:42,881 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-27 23:33:42,890 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-27 23:33:42,890 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-27 23:33:42,904 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-27 23:33:42,946 INFO L443 ModelExtractionUtils]: Simplification made 18 calls to the SMT solver. [2024-11-27 23:33:42,946 INFO L444 ModelExtractionUtils]: 4 out of 19 variables were initially zero. Simplification set additionally 12 variables to zero. [2024-11-27 23:33:42,946 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 23:33:42,946 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8feb5c-9f24-4ee2-93bb-450fb80b1a84/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:33:42,948 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8feb5c-9f24-4ee2-93bb-450fb80b1a84/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 23:33:42,949 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8feb5c-9f24-4ee2-93bb-450fb80b1a84/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2024-11-27 23:33:42,951 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-27 23:33:42,971 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-11-27 23:33:42,971 INFO L474 LassoAnalysis]: Proved termination. [2024-11-27 23:33:42,971 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1, ~N~0) = -1*ULTIMATE.start_main_~i~0#1 + 1*~N~0 Supporting invariants [] [2024-11-27 23:33:42,983 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8feb5c-9f24-4ee2-93bb-450fb80b1a84/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2024-11-27 23:33:42,997 INFO L156 tatePredicateManager]: 4 out of 4 supporting invariants were superfluous and have been removed [2024-11-27 23:33:43,019 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:33:43,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:33:43,049 INFO L256 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-27 23:33:43,049 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:33:43,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:33:43,078 INFO L256 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-27 23:33:43,079 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:33:43,123 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:33:43,124 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2024-11-27 23:33:43,124 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states and 12 transitions. cyclomatic complexity: 3 Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:33:43,177 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11 states and 12 transitions. cyclomatic complexity: 3. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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 15 states and 17 transitions. Complement of second has 4 states. [2024-11-27 23:33:43,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-27 23:33:43,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:33:43,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 11 transitions. [2024-11-27 23:33:43,181 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 11 transitions. Stem has 7 letters. Loop has 4 letters. [2024-11-27 23:33:43,181 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 23:33:43,181 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 11 transitions. Stem has 11 letters. Loop has 4 letters. [2024-11-27 23:33:43,181 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 23:33:43,181 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 11 transitions. Stem has 7 letters. Loop has 8 letters. [2024-11-27 23:33:43,181 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-27 23:33:43,181 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 17 transitions. [2024-11-27 23:33:43,182 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-27 23:33:43,182 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 0 states and 0 transitions. [2024-11-27 23:33:43,182 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-27 23:33:43,182 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-27 23:33:43,183 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-27 23:33:43,183 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-27 23:33:43,183 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-27 23:33:43,183 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-27 23:33:43,183 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-27 23:33:43,185 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-11-27 23:33:43,185 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-11-27 23:33:43,185 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-27 23:33:43,185 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-11-27 23:33:43,190 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8feb5c-9f24-4ee2-93bb-450fb80b1a84/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2024-11-27 23:33:43,200 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 27.11 11:33:43 BoogieIcfgContainer [2024-11-27 23:33:43,200 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-27 23:33:43,201 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-27 23:33:43,201 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-27 23:33:43,201 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-27 23:33:43,202 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:33:38" (3/4) ... [2024-11-27 23:33:43,205 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-27 23:33:43,206 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-27 23:33:43,209 INFO L158 Benchmark]: Toolchain (without parser) took 5899.63ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 86.0MB in the end (delta: 6.6MB). Peak memory consumption was 8.3MB. Max. memory is 16.1GB. [2024-11-27 23:33:43,210 INFO L158 Benchmark]: CDTParser took 2.46ms. Allocated memory is still 117.4MB. Free memory is still 74.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 23:33:43,210 INFO L158 Benchmark]: CACSL2BoogieTranslator took 231.13ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 81.9MB in the end (delta: 10.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-27 23:33:43,210 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.13ms. Allocated memory is still 117.4MB. Free memory was 81.9MB in the beginning and 80.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 23:33:43,211 INFO L158 Benchmark]: Boogie Preprocessor took 67.84ms. Allocated memory is still 117.4MB. Free memory was 80.8MB in the beginning and 79.2MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-27 23:33:43,211 INFO L158 Benchmark]: RCFGBuilder took 409.74ms. Allocated memory is still 117.4MB. Free memory was 79.2MB in the beginning and 69.7MB in the end (delta: 9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-27 23:33:43,211 INFO L158 Benchmark]: BuchiAutomizer took 5136.95ms. Allocated memory is still 117.4MB. Free memory was 69.4MB in the beginning and 86.0MB in the end (delta: -16.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 23:33:43,212 INFO L158 Benchmark]: Witness Printer took 4.85ms. Allocated memory is still 117.4MB. Free memory was 86.0MB in the beginning and 86.0MB in the end (delta: 21.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 23:33:43,216 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.46ms. Allocated memory is still 117.4MB. Free memory is still 74.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 231.13ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 81.9MB in the end (delta: 10.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.13ms. Allocated memory is still 117.4MB. Free memory was 81.9MB in the beginning and 80.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 67.84ms. Allocated memory is still 117.4MB. Free memory was 80.8MB in the beginning and 79.2MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 409.74ms. Allocated memory is still 117.4MB. Free memory was 79.2MB in the beginning and 69.7MB in the end (delta: 9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 5136.95ms. Allocated memory is still 117.4MB. Free memory was 69.4MB in the beginning and 86.0MB in the end (delta: -16.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.85ms. Allocated memory is still 117.4MB. Free memory was 86.0MB in the beginning and 86.0MB in the end (delta: 21.1kB). 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: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (1 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function null and consists of 4 locations. One deterministic module has affine ranking function (((long long) -1 * i) + N) and consists of 3 locations. 1 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 5.0s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 4.3s. Construction of modules took 0.0s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 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, 25 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 24 mSDsluCounter, 28 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 7 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 30 IncrementalHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7 mSolverCounterUnsat, 24 mSDtfsCounter, 30 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU1 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital133 mio100 ax100 hnf100 lsp88 ukn79 mio100 lsp51 div136 bol100 ite100 ukn100 eq159 hnf92 smp86 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 43ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2024-11-27 23:33:43,240 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8feb5c-9f24-4ee2-93bb-450fb80b1a84/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-11-27 23:33:43,438 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e8feb5c-9f24-4ee2-93bb-450fb80b1a84/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE