./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/c.01_assume-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/c.01_assume-alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 252aa5e38f898b42e65698848f3b58e46a12e01218aba7e2f3e037db40adbdd2 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 21:00:24,580 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 21:00:24,693 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Termination-64bit-Automizer_Default.epf [2023-11-21 21:00:24,701 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 21:00:24,702 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 21:00:24,742 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 21:00:24,743 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 21:00:24,744 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 21:00:24,745 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 21:00:24,750 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 21:00:24,750 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 21:00:24,751 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 21:00:24,751 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 21:00:24,753 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-21 21:00:24,754 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-21 21:00:24,754 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-21 21:00:24,755 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-21 21:00:24,755 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-21 21:00:24,756 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-21 21:00:24,756 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 21:00:24,756 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-21 21:00:24,757 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 21:00:24,759 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 21:00:24,759 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-21 21:00:24,760 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-21 21:00:24,760 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-21 21:00:24,761 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 21:00:24,761 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 21:00:24,761 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-21 21:00:24,762 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 21:00:24,763 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 21:00:24,764 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 21:00:24,764 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 21:00:24,764 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 21:00:24,765 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-21 21:00:24,765 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 252aa5e38f898b42e65698848f3b58e46a12e01218aba7e2f3e037db40adbdd2 [2023-11-21 21:00:25,095 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 21:00:25,133 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 21:00:25,135 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 21:00:25,137 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 21:00:25,137 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 21:00:25,139 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/termination-memory-alloca/c.01_assume-alloca.i [2023-11-21 21:00:28,107 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 21:00:28,393 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 21:00:28,393 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/sv-benchmarks/c/termination-memory-alloca/c.01_assume-alloca.i [2023-11-21 21:00:28,413 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/data/6aa451c49/0e5fd92cc21b4bc9807b4ce18f3b74b7/FLAG072040519 [2023-11-21 21:00:28,433 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/data/6aa451c49/0e5fd92cc21b4bc9807b4ce18f3b74b7 [2023-11-21 21:00:28,438 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 21:00:28,440 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 21:00:28,444 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 21:00:28,444 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 21:00:28,450 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 21:00:28,451 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 09:00:28" (1/1) ... [2023-11-21 21:00:28,452 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62bf6977 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:00:28, skipping insertion in model container [2023-11-21 21:00:28,452 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 09:00:28" (1/1) ... [2023-11-21 21:00:28,507 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 21:00:28,860 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 21:00:28,879 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 21:00:28,925 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 21:00:28,958 INFO L206 MainTranslator]: Completed translation [2023-11-21 21:00:28,959 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:00:28 WrapperNode [2023-11-21 21:00:28,959 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 21:00:28,960 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 21:00:28,960 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 21:00:28,960 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 21:00:28,967 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:00:28" (1/1) ... [2023-11-21 21:00:28,979 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:00:28" (1/1) ... [2023-11-21 21:00:28,999 INFO L138 Inliner]: procedures = 111, calls = 25, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 76 [2023-11-21 21:00:29,000 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 21:00:29,000 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 21:00:29,000 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 21:00:29,001 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 21:00:29,011 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:00:28" (1/1) ... [2023-11-21 21:00:29,012 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:00:28" (1/1) ... [2023-11-21 21:00:29,015 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:00:28" (1/1) ... [2023-11-21 21:00:29,025 INFO L187 HeapSplitter]: Split 14 memory accesses to 2 slices as follows [6, 8] [2023-11-21 21:00:29,025 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:00:28" (1/1) ... [2023-11-21 21:00:29,025 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:00:28" (1/1) ... [2023-11-21 21:00:29,031 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:00:28" (1/1) ... [2023-11-21 21:00:29,035 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:00:28" (1/1) ... [2023-11-21 21:00:29,036 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:00:28" (1/1) ... [2023-11-21 21:00:29,037 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:00:28" (1/1) ... [2023-11-21 21:00:29,040 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 21:00:29,041 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 21:00:29,041 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 21:00:29,041 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 21:00:29,042 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:00:28" (1/1) ... [2023-11-21 21:00:29,057 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 21:00:29,074 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 21:00:29,089 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 21:00:29,104 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-21 21:00:29,136 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-21 21:00:29,136 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-21 21:00:29,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-21 21:00:29,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-21 21:00:29,137 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 21:00:29,137 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 21:00:29,137 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 21:00:29,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 21:00:29,238 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 21:00:29,241 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 21:00:29,385 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 21:00:29,393 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 21:00:29,394 INFO L308 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-21 21:00:29,404 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:00:29 BoogieIcfgContainer [2023-11-21 21:00:29,404 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 21:00:29,405 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-21 21:00:29,405 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-21 21:00:29,409 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-21 21:00:29,410 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-21 21:00:29,410 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.11 09:00:28" (1/3) ... [2023-11-21 21:00:29,411 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@61b7d335 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.11 09:00:29, skipping insertion in model container [2023-11-21 21:00:29,411 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-21 21:00:29,412 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:00:28" (2/3) ... [2023-11-21 21:00:29,412 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@61b7d335 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.11 09:00:29, skipping insertion in model container [2023-11-21 21:00:29,412 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-21 21:00:29,412 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:00:29" (3/3) ... [2023-11-21 21:00:29,414 INFO L332 chiAutomizerObserver]: Analyzing ICFG c.01_assume-alloca.i [2023-11-21 21:00:29,467 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-21 21:00:29,467 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-21 21:00:29,467 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-21 21:00:29,467 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-21 21:00:29,467 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-21 21:00:29,468 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-21 21:00:29,468 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-21 21:00:29,468 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-21 21:00:29,472 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 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) [2023-11-21 21:00:29,489 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2023-11-21 21:00:29,489 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-21 21:00:29,489 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-21 21:00:29,494 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-21 21:00:29,495 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2023-11-21 21:00:29,495 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-21 21:00:29,495 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 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) [2023-11-21 21:00:29,497 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2023-11-21 21:00:29,497 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-21 21:00:29,497 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-21 21:00:29,498 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-21 21:00:29,498 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2023-11-21 21:00:29,505 INFO L748 eck$LassoCheckResult]: Stem: 12#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 6#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet14#1, main_#t~nondet15#1, main_#t~ret16#1;havoc main_#t~nondet14#1;havoc main_#t~nondet15#1;assume { :begin_inline_test_fun } true;test_fun_#in~x#1, test_fun_#in~y#1 := main_#t~nondet14#1, main_#t~nondet15#1;havoc test_fun_#res#1;havoc test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset, test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset, test_fun_#t~mem9#1, test_fun_#t~mem10#1, test_fun_#t~mem11#1, test_fun_#t~mem5#1, test_fun_#t~mem6#1, test_fun_#t~mem7#1, test_fun_#t~short8#1, test_fun_#t~mem12#1, test_fun_#t~mem4#1, test_fun_#t~mem13#1, test_fun_~x#1, test_fun_~y#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset;test_fun_~x#1 := test_fun_#in~x#1;test_fun_~y#1 := test_fun_#in~y#1;call test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset := test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset;call test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset := test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset;call write~int#0(test_fun_~x#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int#1(test_fun_~y#1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 4#L553-3true [2023-11-21 21:00:29,506 INFO L750 eck$LassoCheckResult]: Loop: 4#L553-3true call test_fun_#t~mem4#1 := read~int#0(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4); 7#L553-1true assume !!(test_fun_#t~mem4#1 >= 0);havoc test_fun_#t~mem4#1;call write~int#1(1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 8#L555-5true assume !true; 11#L555-6true call test_fun_#t~mem12#1 := read~int#0(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int#0(test_fun_#t~mem12#1 - 1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);havoc test_fun_#t~mem12#1; 4#L553-3true [2023-11-21 21:00:29,511 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:00:29,512 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2023-11-21 21:00:29,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:00:29,521 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [712036007] [2023-11-21 21:00:29,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:00:29,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:00:29,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 21:00:29,644 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 21:00:29,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 21:00:29,685 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 21:00:29,688 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:00:29,688 INFO L85 PathProgramCache]: Analyzing trace with hash 1144712, now seen corresponding path program 1 times [2023-11-21 21:00:29,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:00:29,689 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [512810031] [2023-11-21 21:00:29,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:00:29,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:00:29,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:00:29,742 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 21:00:29,743 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 21:00:29,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [512810031] [2023-11-21 21:00:29,744 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [512810031] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 21:00:29,744 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 21:00:29,744 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 21:00:29,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1407478747] [2023-11-21 21:00:29,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 21:00:29,750 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-21 21:00:29,751 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 21:00:29,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-21 21:00:29,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-21 21:00:29,784 INFO L87 Difference]: Start difference. First operand has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 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 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:00:29,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 21:00:29,791 INFO L93 Difference]: Finished difference Result 14 states and 17 transitions. [2023-11-21 21:00:29,792 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 14 states and 17 transitions. [2023-11-21 21:00:29,794 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2023-11-21 21:00:29,797 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 14 states to 9 states and 11 transitions. [2023-11-21 21:00:29,798 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2023-11-21 21:00:29,798 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2023-11-21 21:00:29,799 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 11 transitions. [2023-11-21 21:00:29,799 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 21:00:29,799 INFO L218 hiAutomatonCegarLoop]: Abstraction has 9 states and 11 transitions. [2023-11-21 21:00:29,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states and 11 transitions. [2023-11-21 21:00:29,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2023-11-21 21:00:29,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 8 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) [2023-11-21 21:00:29,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 11 transitions. [2023-11-21 21:00:29,826 INFO L240 hiAutomatonCegarLoop]: Abstraction has 9 states and 11 transitions. [2023-11-21 21:00:29,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-21 21:00:29,830 INFO L428 stractBuchiCegarLoop]: Abstraction has 9 states and 11 transitions. [2023-11-21 21:00:29,831 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-21 21:00:29,831 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states and 11 transitions. [2023-11-21 21:00:29,831 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2023-11-21 21:00:29,832 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-21 21:00:29,832 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-21 21:00:29,832 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-21 21:00:29,832 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2023-11-21 21:00:29,833 INFO L748 eck$LassoCheckResult]: Stem: 42#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 43#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet14#1, main_#t~nondet15#1, main_#t~ret16#1;havoc main_#t~nondet14#1;havoc main_#t~nondet15#1;assume { :begin_inline_test_fun } true;test_fun_#in~x#1, test_fun_#in~y#1 := main_#t~nondet14#1, main_#t~nondet15#1;havoc test_fun_#res#1;havoc test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset, test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset, test_fun_#t~mem9#1, test_fun_#t~mem10#1, test_fun_#t~mem11#1, test_fun_#t~mem5#1, test_fun_#t~mem6#1, test_fun_#t~mem7#1, test_fun_#t~short8#1, test_fun_#t~mem12#1, test_fun_#t~mem4#1, test_fun_#t~mem13#1, test_fun_~x#1, test_fun_~y#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset;test_fun_~x#1 := test_fun_#in~x#1;test_fun_~y#1 := test_fun_#in~y#1;call test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset := test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset;call test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset := test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset;call write~int#0(test_fun_~x#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int#1(test_fun_~y#1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 39#L553-3 [2023-11-21 21:00:29,833 INFO L750 eck$LassoCheckResult]: Loop: 39#L553-3 call test_fun_#t~mem4#1 := read~int#0(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4); 41#L553-1 assume !!(test_fun_#t~mem4#1 >= 0);havoc test_fun_#t~mem4#1;call write~int#1(1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 40#L555-5 call test_fun_#t~mem5#1 := read~int#0(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call test_fun_#t~mem6#1 := read~int#1(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short8#1 := test_fun_#t~mem5#1 > test_fun_#t~mem6#1; 44#L555-1 assume test_fun_#t~short8#1;call test_fun_#t~mem7#1 := read~int#1(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short8#1 := test_fun_#t~mem7#1 < 1073741824; 36#L555-3 assume !test_fun_#t~short8#1;havoc test_fun_#t~mem5#1;havoc test_fun_#t~mem6#1;havoc test_fun_#t~mem7#1;havoc test_fun_#t~short8#1; 37#L555-6 call test_fun_#t~mem12#1 := read~int#0(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int#0(test_fun_#t~mem12#1 - 1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);havoc test_fun_#t~mem12#1; 39#L553-3 [2023-11-21 21:00:29,834 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:00:29,834 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 2 times [2023-11-21 21:00:29,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:00:29,834 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1424176172] [2023-11-21 21:00:29,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:00:29,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:00:29,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 21:00:29,858 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 21:00:29,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 21:00:29,877 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 21:00:29,878 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:00:29,878 INFO L85 PathProgramCache]: Analyzing trace with hash 1099516500, now seen corresponding path program 1 times [2023-11-21 21:00:29,879 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:00:29,879 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1086166566] [2023-11-21 21:00:29,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:00:29,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:00:29,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:00:30,187 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 21:00:30,188 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 21:00:30,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1086166566] [2023-11-21 21:00:30,189 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1086166566] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 21:00:30,189 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 21:00:30,189 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-21 21:00:30,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [888024186] [2023-11-21 21:00:30,190 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 21:00:30,190 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-21 21:00:30,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 21:00:30,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-21 21:00:30,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-21 21:00:30,191 INFO L87 Difference]: Start difference. First operand 9 states and 11 transitions. cyclomatic complexity: 3 Second operand has 5 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:00:30,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 21:00:30,252 INFO L93 Difference]: Finished difference Result 17 states and 21 transitions. [2023-11-21 21:00:30,252 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 17 states and 21 transitions. [2023-11-21 21:00:30,253 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 15 [2023-11-21 21:00:30,254 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 17 states to 17 states and 21 transitions. [2023-11-21 21:00:30,254 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2023-11-21 21:00:30,255 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2023-11-21 21:00:30,255 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 21 transitions. [2023-11-21 21:00:30,255 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 21:00:30,255 INFO L218 hiAutomatonCegarLoop]: Abstraction has 17 states and 21 transitions. [2023-11-21 21:00:30,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states and 21 transitions. [2023-11-21 21:00:30,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 12. [2023-11-21 21:00:30,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 12 states have (on average 1.25) internal successors, (15), 11 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:00:30,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 15 transitions. [2023-11-21 21:00:30,258 INFO L240 hiAutomatonCegarLoop]: Abstraction has 12 states and 15 transitions. [2023-11-21 21:00:30,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-21 21:00:30,259 INFO L428 stractBuchiCegarLoop]: Abstraction has 12 states and 15 transitions. [2023-11-21 21:00:30,259 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-11-21 21:00:30,260 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states and 15 transitions. [2023-11-21 21:00:30,260 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 10 [2023-11-21 21:00:30,261 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-21 21:00:30,261 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-21 21:00:30,261 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-21 21:00:30,261 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2023-11-21 21:00:30,262 INFO L748 eck$LassoCheckResult]: Stem: 78#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 79#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet14#1, main_#t~nondet15#1, main_#t~ret16#1;havoc main_#t~nondet14#1;havoc main_#t~nondet15#1;assume { :begin_inline_test_fun } true;test_fun_#in~x#1, test_fun_#in~y#1 := main_#t~nondet14#1, main_#t~nondet15#1;havoc test_fun_#res#1;havoc test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset, test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset, test_fun_#t~mem9#1, test_fun_#t~mem10#1, test_fun_#t~mem11#1, test_fun_#t~mem5#1, test_fun_#t~mem6#1, test_fun_#t~mem7#1, test_fun_#t~short8#1, test_fun_#t~mem12#1, test_fun_#t~mem4#1, test_fun_#t~mem13#1, test_fun_~x#1, test_fun_~y#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset;test_fun_~x#1 := test_fun_#in~x#1;test_fun_~y#1 := test_fun_#in~y#1;call test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset := test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset;call test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset := test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset;call write~int#0(test_fun_~x#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int#1(test_fun_~y#1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 75#L553-3 [2023-11-21 21:00:30,262 INFO L750 eck$LassoCheckResult]: Loop: 75#L553-3 call test_fun_#t~mem4#1 := read~int#0(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4); 76#L553-1 assume !!(test_fun_#t~mem4#1 >= 0);havoc test_fun_#t~mem4#1;call write~int#1(1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 80#L555-5 call test_fun_#t~mem5#1 := read~int#0(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call test_fun_#t~mem6#1 := read~int#1(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short8#1 := test_fun_#t~mem5#1 > test_fun_#t~mem6#1; 81#L555-1 assume !test_fun_#t~short8#1; 83#L555-3 assume !test_fun_#t~short8#1;havoc test_fun_#t~mem5#1;havoc test_fun_#t~mem6#1;havoc test_fun_#t~mem7#1;havoc test_fun_#t~short8#1; 74#L555-6 call test_fun_#t~mem12#1 := read~int#0(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int#0(test_fun_#t~mem12#1 - 1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);havoc test_fun_#t~mem12#1; 75#L553-3 [2023-11-21 21:00:30,262 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:00:30,263 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 3 times [2023-11-21 21:00:30,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:00:30,263 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [511267637] [2023-11-21 21:00:30,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:00:30,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:00:30,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 21:00:30,280 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 21:00:30,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 21:00:30,293 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 21:00:30,294 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:00:30,294 INFO L85 PathProgramCache]: Analyzing trace with hash 1099518422, now seen corresponding path program 1 times [2023-11-21 21:00:30,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:00:30,295 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803399160] [2023-11-21 21:00:30,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:00:30,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:00:30,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 21:00:30,310 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 21:00:30,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 21:00:30,326 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 21:00:30,330 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:00:30,331 INFO L85 PathProgramCache]: Analyzing trace with hash 179567640, now seen corresponding path program 1 times [2023-11-21 21:00:30,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:00:30,332 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1886733028] [2023-11-21 21:00:30,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:00:30,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:00:30,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 21:00:30,380 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 21:00:30,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 21:00:30,426 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 21:00:31,228 INFO L210 LassoAnalysis]: Preferences: [2023-11-21 21:00:31,229 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-21 21:00:31,229 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-21 21:00:31,230 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-21 21:00:31,230 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-21 21:00:31,230 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 21:00:31,230 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-21 21:00:31,230 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-21 21:00:31,231 INFO L133 ssoRankerPreferences]: Filename of dumped script: c.01_assume-alloca.i_Iteration3_Lasso [2023-11-21 21:00:31,231 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-21 21:00:31,231 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-21 21:00:31,259 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 21:00:31,272 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 21:00:31,276 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 21:00:31,281 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 21:00:31,285 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 21:00:31,288 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 21:00:31,298 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 21:00:31,703 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 21:00:31,707 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 21:00:31,710 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 21:00:31,713 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 21:00:31,716 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 21:00:31,719 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 21:00:31,722 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 21:00:31,725 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 21:00:31,728 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 21:00:31,730 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 21:00:31,734 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 21:00:32,154 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-21 21:00:32,159 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-21 21:00:32,161 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 21:00:32,161 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 21:00:32,176 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 21:00:32,188 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 [2023-11-21 21:00:32,200 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-11-21 21:00:32,201 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 21:00:32,202 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 21:00:32,202 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 21:00:32,202 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 21:00:32,202 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 21:00:32,217 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 21:00:32,217 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 21:00:32,232 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 21:00:32,256 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2023-11-21 21:00:32,256 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 21:00:32,257 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 21:00:32,258 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 21:00:32,269 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 [2023-11-21 21:00:32,282 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 21:00:32,282 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 21:00:32,282 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 21:00:32,282 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 21:00:32,282 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 21:00:32,283 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 21:00:32,283 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 21:00:32,285 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-11-21 21:00:32,308 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 21:00:32,333 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2023-11-21 21:00:32,333 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 21:00:32,334 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 21:00:32,335 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 21:00:32,366 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 [2023-11-21 21:00:32,378 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 21:00:32,378 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 21:00:32,379 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 21:00:32,379 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 21:00:32,379 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 21:00:32,380 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 21:00:32,380 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 21:00:32,381 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-11-21 21:00:32,392 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 21:00:32,415 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2023-11-21 21:00:32,416 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 21:00:32,416 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 21:00:32,418 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 21:00:32,433 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 [2023-11-21 21:00:32,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-11-21 21:00:32,448 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 21:00:32,448 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 21:00:32,448 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 21:00:32,448 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 21:00:32,448 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 21:00:32,449 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 21:00:32,449 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 21:00:32,464 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 21:00:32,487 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2023-11-21 21:00:32,488 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 21:00:32,488 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 21:00:32,489 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 21:00:32,497 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 [2023-11-21 21:00:32,510 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 21:00:32,510 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 21:00:32,510 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 21:00:32,510 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 21:00:32,510 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 21:00:32,514 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 21:00:32,514 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 21:00:32,518 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2023-11-21 21:00:32,528 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 21:00:32,552 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2023-11-21 21:00:32,552 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 21:00:32,552 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 21:00:32,557 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 21:00:32,571 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-21 21:00:32,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2023-11-21 21:00:32,584 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 21:00:32,584 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 21:00:32,585 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 21:00:32,585 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 21:00:32,589 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 21:00:32,589 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 21:00:32,612 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 21:00:32,635 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2023-11-21 21:00:32,638 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 21:00:32,638 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 21:00:32,639 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 21:00:32,647 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 [2023-11-21 21:00:32,652 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2023-11-21 21:00:32,662 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 21:00:32,662 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 21:00:32,662 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 21:00:32,663 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 21:00:32,673 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 21:00:32,673 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 21:00:32,703 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 21:00:32,727 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2023-11-21 21:00:32,728 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 21:00:32,728 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 21:00:32,729 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 21:00:32,737 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 [2023-11-21 21:00:32,744 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2023-11-21 21:00:32,750 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 21:00:32,750 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 21:00:32,750 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 21:00:32,750 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 21:00:32,763 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 21:00:32,763 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 21:00:32,781 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 21:00:32,819 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2023-11-21 21:00:32,819 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 21:00:32,819 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 21:00:32,825 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 21:00:32,848 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2023-11-21 21:00:32,849 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 [2023-11-21 21:00:32,863 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 21:00:32,863 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 21:00:32,863 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 21:00:32,863 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 21:00:32,874 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 21:00:32,874 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 21:00:32,896 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 21:00:32,919 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2023-11-21 21:00:32,919 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 21:00:32,920 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 21:00:32,921 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 21:00:32,933 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2023-11-21 21:00:32,933 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-21 21:00:32,948 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 21:00:32,948 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 21:00:32,949 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 21:00:32,949 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 21:00:32,953 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 21:00:32,953 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 21:00:32,966 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 21:00:32,990 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2023-11-21 21:00:32,990 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 21:00:32,990 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 21:00:32,992 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 21:00:32,996 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2023-11-21 21:00:32,996 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 [2023-11-21 21:00:33,012 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 21:00:33,012 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 21:00:33,012 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 21:00:33,013 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 21:00:33,015 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 21:00:33,015 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 21:00:33,040 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 21:00:33,064 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2023-11-21 21:00:33,064 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 21:00:33,064 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 21:00:33,065 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 21:00:33,068 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2023-11-21 21:00:33,069 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 [2023-11-21 21:00:33,082 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 21:00:33,082 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 21:00:33,082 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 21:00:33,082 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 21:00:33,087 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 21:00:33,087 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 21:00:33,102 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 21:00:33,126 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2023-11-21 21:00:33,126 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 21:00:33,126 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 21:00:33,128 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 21:00:33,137 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 [2023-11-21 21:00:33,151 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2023-11-21 21:00:33,152 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 21:00:33,152 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 21:00:33,152 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 21:00:33,152 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 21:00:33,155 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 21:00:33,155 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 21:00:33,172 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 21:00:33,196 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2023-11-21 21:00:33,196 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 21:00:33,196 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 21:00:33,197 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 21:00:33,205 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 [2023-11-21 21:00:33,218 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2023-11-21 21:00:33,218 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 21:00:33,219 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 21:00:33,219 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 21:00:33,219 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 21:00:33,231 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 21:00:33,231 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 21:00:33,268 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-21 21:00:33,319 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2023-11-21 21:00:33,320 INFO L444 ModelExtractionUtils]: 10 out of 28 variables were initially zero. Simplification set additionally 15 variables to zero. [2023-11-21 21:00:33,322 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 21:00:33,322 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 21:00:33,387 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 21:00:33,397 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-21 21:00:33,409 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2023-11-21 21:00:33,414 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-21 21:00:33,414 INFO L513 LassoAnalysis]: Proved termination. [2023-11-21 21:00:33,415 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int#0 ULTIMATE.start_test_fun_~x_ref~0#1.base) ULTIMATE.start_test_fun_~x_ref~0#1.offset)_1) = 2*v_rep(select (select #memory_int#0 ULTIMATE.start_test_fun_~x_ref~0#1.base) ULTIMATE.start_test_fun_~x_ref~0#1.offset)_1 + 1 Supporting invariants [] [2023-11-21 21:00:33,437 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2023-11-21 21:00:33,479 INFO L156 tatePredicateManager]: 10 out of 10 supporting invariants were superfluous and have been removed [2023-11-21 21:00:33,488 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#0[~x_ref~0!base][~x_ref~0!offset] could not be translated [2023-11-21 21:00:33,505 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:00:33,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:00:33,532 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 21:00:33,533 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 21:00:33,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:00:33,559 INFO L262 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 21:00:33,561 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 21:00:33,629 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 21:00:33,633 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2023-11-21 21:00:33,635 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 12 states and 15 transitions. cyclomatic complexity: 4 Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:00:33,700 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 12 states and 15 transitions. cyclomatic complexity: 4. Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 22 states and 29 transitions. Complement of second has 6 states. [2023-11-21 21:00:33,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2023-11-21 21:00:33,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:00:33,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 11 transitions. [2023-11-21 21:00:33,704 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 2 letters. Loop has 6 letters. [2023-11-21 21:00:33,705 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 21:00:33,706 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 8 letters. Loop has 6 letters. [2023-11-21 21:00:33,706 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 21:00:33,706 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 2 letters. Loop has 12 letters. [2023-11-21 21:00:33,706 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 21:00:33,707 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 22 states and 29 transitions. [2023-11-21 21:00:33,708 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2023-11-21 21:00:33,709 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 22 states to 21 states and 28 transitions. [2023-11-21 21:00:33,709 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2023-11-21 21:00:33,709 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2023-11-21 21:00:33,709 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 28 transitions. [2023-11-21 21:00:33,710 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-21 21:00:33,710 INFO L218 hiAutomatonCegarLoop]: Abstraction has 21 states and 28 transitions. [2023-11-21 21:00:33,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states and 28 transitions. [2023-11-21 21:00:33,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 18. [2023-11-21 21:00:33,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 1.3333333333333333) 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) [2023-11-21 21:00:33,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 24 transitions. [2023-11-21 21:00:33,713 INFO L240 hiAutomatonCegarLoop]: Abstraction has 18 states and 24 transitions. [2023-11-21 21:00:33,713 INFO L428 stractBuchiCegarLoop]: Abstraction has 18 states and 24 transitions. [2023-11-21 21:00:33,713 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2023-11-21 21:00:33,713 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 24 transitions. [2023-11-21 21:00:33,714 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2023-11-21 21:00:33,714 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-21 21:00:33,714 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-21 21:00:33,714 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2023-11-21 21:00:33,715 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2023-11-21 21:00:33,715 INFO L748 eck$LassoCheckResult]: Stem: 204#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 205#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet14#1, main_#t~nondet15#1, main_#t~ret16#1;havoc main_#t~nondet14#1;havoc main_#t~nondet15#1;assume { :begin_inline_test_fun } true;test_fun_#in~x#1, test_fun_#in~y#1 := main_#t~nondet14#1, main_#t~nondet15#1;havoc test_fun_#res#1;havoc test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset, test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset, test_fun_#t~mem9#1, test_fun_#t~mem10#1, test_fun_#t~mem11#1, test_fun_#t~mem5#1, test_fun_#t~mem6#1, test_fun_#t~mem7#1, test_fun_#t~short8#1, test_fun_#t~mem12#1, test_fun_#t~mem4#1, test_fun_#t~mem13#1, test_fun_~x#1, test_fun_~y#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset;test_fun_~x#1 := test_fun_#in~x#1;test_fun_~y#1 := test_fun_#in~y#1;call test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset := test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset;call test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset := test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset;call write~int#0(test_fun_~x#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int#1(test_fun_~y#1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 199#L553-3 call test_fun_#t~mem4#1 := read~int#0(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4); 201#L553-1 assume !!(test_fun_#t~mem4#1 >= 0);havoc test_fun_#t~mem4#1;call write~int#1(1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 202#L555-5 [2023-11-21 21:00:33,715 INFO L750 eck$LassoCheckResult]: Loop: 202#L555-5 call test_fun_#t~mem5#1 := read~int#0(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call test_fun_#t~mem6#1 := read~int#1(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short8#1 := test_fun_#t~mem5#1 > test_fun_#t~mem6#1; 207#L555-1 assume test_fun_#t~short8#1;call test_fun_#t~mem7#1 := read~int#1(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short8#1 := test_fun_#t~mem7#1 < 1073741824; 193#L555-3 assume !!test_fun_#t~short8#1;havoc test_fun_#t~mem5#1;havoc test_fun_#t~mem6#1;havoc test_fun_#t~mem7#1;havoc test_fun_#t~short8#1;call test_fun_#t~mem9#1 := read~int#1(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 194#L556 assume !(test_fun_#t~mem9#1 <= 0);havoc test_fun_#t~mem9#1;call test_fun_#t~mem11#1 := read~int#1(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int#1(2 * test_fun_#t~mem11#1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);havoc test_fun_#t~mem11#1; 202#L555-5 [2023-11-21 21:00:33,716 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:00:33,716 INFO L85 PathProgramCache]: Analyzing trace with hash 925672, now seen corresponding path program 1 times [2023-11-21 21:00:33,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:00:33,716 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2012254581] [2023-11-21 21:00:33,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:00:33,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:00:33,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 21:00:33,740 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 21:00:33,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 21:00:33,763 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 21:00:33,764 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:00:33,764 INFO L85 PathProgramCache]: Analyzing trace with hash 1450089, now seen corresponding path program 1 times [2023-11-21 21:00:33,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:00:33,764 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367603412] [2023-11-21 21:00:33,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:00:33,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:00:33,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 21:00:33,781 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 21:00:33,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 21:00:33,789 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 21:00:33,790 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:00:33,790 INFO L85 PathProgramCache]: Analyzing trace with hash 179565776, now seen corresponding path program 1 times [2023-11-21 21:00:33,790 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:00:33,790 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [385263997] [2023-11-21 21:00:33,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:00:33,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:00:33,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 21:00:33,809 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 21:00:33,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 21:00:33,824 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 21:00:34,312 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2023-11-21 21:00:34,549 INFO L210 LassoAnalysis]: Preferences: [2023-11-21 21:00:34,549 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-21 21:00:34,549 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-21 21:00:34,549 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-21 21:00:34,549 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-21 21:00:34,549 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 21:00:34,550 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-21 21:00:34,550 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-21 21:00:34,550 INFO L133 ssoRankerPreferences]: Filename of dumped script: c.01_assume-alloca.i_Iteration4_Lasso [2023-11-21 21:00:34,550 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-21 21:00:34,550 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-21 21:00:34,555 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 21:00:34,563 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 21:00:34,567 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 21:00:34,569 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 21:00:34,572 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 21:00:34,575 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 21:00:34,578 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 21:00:34,582 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 21:00:34,585 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 21:00:34,588 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 21:00:34,591 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 21:00:34,594 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 21:00:34,597 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 21:00:34,601 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 21:00:34,606 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 21:00:34,608 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 21:00:34,612 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 21:00:34,615 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 21:00:34,617 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 21:00:35,368 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-21 21:00:35,368 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-21 21:00:35,368 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 21:00:35,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 21:00:35,373 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 21:00:35,376 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2023-11-21 21:00:35,376 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 [2023-11-21 21:00:35,392 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 21:00:35,392 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 21:00:35,392 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 21:00:35,392 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 21:00:35,395 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 21:00:35,395 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 21:00:35,407 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 21:00:35,430 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2023-11-21 21:00:35,430 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 21:00:35,431 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 21:00:35,432 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 21:00:35,436 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2023-11-21 21:00:35,436 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 [2023-11-21 21:00:35,448 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 21:00:35,449 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 21:00:35,449 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 21:00:35,449 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 21:00:35,449 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 21:00:35,450 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 21:00:35,450 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 21:00:35,462 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 21:00:35,486 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2023-11-21 21:00:35,486 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 21:00:35,486 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 21:00:35,487 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 21:00:35,491 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 [2023-11-21 21:00:35,503 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 21:00:35,503 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 21:00:35,504 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 21:00:35,504 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 21:00:35,504 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 21:00:35,504 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 21:00:35,504 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 21:00:35,521 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2023-11-21 21:00:35,521 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 21:00:35,544 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2023-11-21 21:00:35,544 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 21:00:35,544 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 21:00:35,545 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 21:00:35,558 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 [2023-11-21 21:00:35,571 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 21:00:35,571 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 21:00:35,571 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 21:00:35,571 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 21:00:35,571 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 21:00:35,572 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 21:00:35,572 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 21:00:35,573 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2023-11-21 21:00:35,580 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 21:00:35,599 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2023-11-21 21:00:35,599 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 21:00:35,599 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 21:00:35,600 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 21:00:35,610 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 [2023-11-21 21:00:35,621 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2023-11-21 21:00:35,622 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 21:00:35,622 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 21:00:35,622 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 21:00:35,622 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 21:00:35,622 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 21:00:35,623 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 21:00:35,623 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 21:00:35,624 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 21:00:35,636 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2023-11-21 21:00:35,636 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 21:00:35,636 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 21:00:35,637 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 21:00:35,638 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2023-11-21 21:00:35,639 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 [2023-11-21 21:00:35,648 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 21:00:35,649 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 21:00:35,649 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 21:00:35,649 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 21:00:35,649 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 21:00:35,649 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 21:00:35,649 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 21:00:35,651 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 21:00:35,663 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2023-11-21 21:00:35,663 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 21:00:35,663 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 21:00:35,664 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 21:00:35,665 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2023-11-21 21:00:35,665 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 [2023-11-21 21:00:35,675 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 21:00:35,675 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 21:00:35,676 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 21:00:35,676 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 21:00:35,677 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 21:00:35,678 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 21:00:35,682 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 21:00:35,694 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2023-11-21 21:00:35,694 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 21:00:35,694 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 21:00:35,695 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 21:00:35,696 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2023-11-21 21:00:35,698 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 [2023-11-21 21:00:35,707 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 21:00:35,707 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 21:00:35,708 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 21:00:35,708 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 21:00:35,708 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 21:00:35,708 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 21:00:35,708 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 21:00:35,710 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 21:00:35,722 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2023-11-21 21:00:35,722 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 21:00:35,722 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 21:00:35,723 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 21:00:35,724 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2023-11-21 21:00:35,725 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 [2023-11-21 21:00:35,735 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 21:00:35,735 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 21:00:35,735 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 21:00:35,735 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 21:00:35,735 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 21:00:35,735 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 21:00:35,736 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 21:00:35,745 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 21:00:35,764 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2023-11-21 21:00:35,764 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 21:00:35,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 21:00:35,765 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 21:00:35,768 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2023-11-21 21:00:35,769 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 [2023-11-21 21:00:35,778 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 21:00:35,778 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 21:00:35,779 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 21:00:35,779 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 21:00:35,779 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 21:00:35,779 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 21:00:35,779 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 21:00:35,780 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 21:00:35,791 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2023-11-21 21:00:35,791 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 21:00:35,792 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 21:00:35,792 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 21:00:35,793 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2023-11-21 21:00:35,794 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 [2023-11-21 21:00:35,804 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 21:00:35,804 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 21:00:35,804 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 21:00:35,804 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 21:00:35,804 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 21:00:35,804 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 21:00:35,805 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 21:00:35,806 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 21:00:35,818 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2023-11-21 21:00:35,818 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 21:00:35,818 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 21:00:35,819 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 21:00:35,820 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2023-11-21 21:00:35,821 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 [2023-11-21 21:00:35,831 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 21:00:35,831 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 21:00:35,831 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 21:00:35,831 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 21:00:35,833 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 21:00:35,833 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 21:00:35,860 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 21:00:35,878 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2023-11-21 21:00:35,878 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 21:00:35,879 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 21:00:35,883 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 21:00:35,885 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2023-11-21 21:00:35,885 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 [2023-11-21 21:00:35,895 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 21:00:35,895 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 21:00:35,895 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 21:00:35,895 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 21:00:35,895 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 21:00:35,896 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 21:00:35,896 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 21:00:35,897 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 21:00:35,912 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2023-11-21 21:00:35,912 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 21:00:35,912 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 21:00:35,913 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 21:00:35,914 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2023-11-21 21:00:35,915 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 [2023-11-21 21:00:35,924 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 21:00:35,924 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 21:00:35,924 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 21:00:35,924 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 21:00:35,925 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 21:00:35,925 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 21:00:35,925 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 21:00:35,934 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 21:00:35,948 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2023-11-21 21:00:35,949 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 21:00:35,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 21:00:35,950 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 21:00:35,951 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2023-11-21 21:00:35,954 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 [2023-11-21 21:00:35,964 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 21:00:35,964 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 21:00:35,964 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 21:00:35,964 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 21:00:35,964 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 21:00:35,965 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 21:00:35,965 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 21:00:35,984 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 21:00:36,000 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2023-11-21 21:00:36,000 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 21:00:36,000 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 21:00:36,001 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 21:00:36,002 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2023-11-21 21:00:36,004 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 [2023-11-21 21:00:36,013 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 21:00:36,014 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 21:00:36,014 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 21:00:36,014 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 21:00:36,015 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 21:00:36,015 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 21:00:36,031 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 21:00:36,045 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2023-11-21 21:00:36,045 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 21:00:36,045 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 21:00:36,046 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 21:00:36,049 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 [2023-11-21 21:00:36,056 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2023-11-21 21:00:36,060 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 21:00:36,060 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 21:00:36,060 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 21:00:36,060 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 21:00:36,062 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 21:00:36,062 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 21:00:36,095 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 21:00:36,112 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2023-11-21 21:00:36,113 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 21:00:36,113 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 21:00:36,114 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 21:00:36,114 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2023-11-21 21:00:36,116 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 [2023-11-21 21:00:36,127 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 21:00:36,128 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 21:00:36,128 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 21:00:36,128 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 21:00:36,128 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 21:00:36,129 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 21:00:36,129 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 21:00:36,131 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 21:00:36,142 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2023-11-21 21:00:36,142 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 21:00:36,142 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 21:00:36,143 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 21:00:36,144 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2023-11-21 21:00:36,144 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-21 21:00:36,154 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 21:00:36,154 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 21:00:36,154 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 21:00:36,154 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 21:00:36,158 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 21:00:36,158 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 21:00:36,188 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 21:00:36,210 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2023-11-21 21:00:36,211 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 21:00:36,211 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 21:00:36,212 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 21:00:36,216 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 [2023-11-21 21:00:36,229 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 21:00:36,229 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 21:00:36,229 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 21:00:36,229 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 21:00:36,232 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2023-11-21 21:00:36,237 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 21:00:36,237 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 21:00:36,268 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-21 21:00:36,289 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2023-11-21 21:00:36,290 INFO L444 ModelExtractionUtils]: 14 out of 22 variables were initially zero. Simplification set additionally 5 variables to zero. [2023-11-21 21:00:36,290 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 21:00:36,290 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 21:00:36,292 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 21:00:36,296 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-21 21:00:36,308 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2023-11-21 21:00:36,325 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-21 21:00:36,325 INFO L513 LassoAnalysis]: Proved termination. [2023-11-21 21:00:36,325 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int#1 ULTIMATE.start_test_fun_~y_ref~0#1.base) ULTIMATE.start_test_fun_~y_ref~0#1.offset)_2) = -2*v_rep(select (select #memory_int#1 ULTIMATE.start_test_fun_~y_ref~0#1.base) ULTIMATE.start_test_fun_~y_ref~0#1.offset)_2 + 2147483647 Supporting invariants [] [2023-11-21 21:00:36,349 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2023-11-21 21:00:36,385 INFO L156 tatePredicateManager]: 11 out of 11 supporting invariants were superfluous and have been removed [2023-11-21 21:00:36,386 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#1[~y_ref~0!base][~y_ref~0!offset] could not be translated [2023-11-21 21:00:36,400 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:00:36,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:00:36,428 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 21:00:36,429 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 21:00:36,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:00:36,448 INFO L262 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-21 21:00:36,449 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 21:00:36,520 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 21:00:36,522 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2023-11-21 21:00:36,523 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 18 states and 24 transitions. cyclomatic complexity: 8 Second operand has 5 states, 5 states have (on average 1.6) internal successors, (8), 5 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:00:36,579 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 18 states and 24 transitions. cyclomatic complexity: 8. Second operand has 5 states, 5 states have (on average 1.6) internal successors, (8), 5 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 48 states and 64 transitions. Complement of second has 9 states. [2023-11-21 21:00:36,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2023-11-21 21:00:36,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 1.6) internal successors, (8), 5 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:00:36,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 12 transitions. [2023-11-21 21:00:36,583 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 4 letters. Loop has 4 letters. [2023-11-21 21:00:36,583 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 21:00:36,583 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 8 letters. Loop has 4 letters. [2023-11-21 21:00:36,584 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 21:00:36,584 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 4 letters. Loop has 8 letters. [2023-11-21 21:00:36,584 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 21:00:36,584 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 48 states and 64 transitions. [2023-11-21 21:00:36,593 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2023-11-21 21:00:36,594 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 48 states to 33 states and 44 transitions. [2023-11-21 21:00:36,594 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2023-11-21 21:00:36,594 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2023-11-21 21:00:36,595 INFO L73 IsDeterministic]: Start isDeterministic. Operand 33 states and 44 transitions. [2023-11-21 21:00:36,595 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-21 21:00:36,595 INFO L218 hiAutomatonCegarLoop]: Abstraction has 33 states and 44 transitions. [2023-11-21 21:00:36,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states and 44 transitions. [2023-11-21 21:00:36,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 27. [2023-11-21 21:00:36,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 27 states have (on average 1.3333333333333333) internal successors, (36), 26 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:00:36,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 36 transitions. [2023-11-21 21:00:36,601 INFO L240 hiAutomatonCegarLoop]: Abstraction has 27 states and 36 transitions. [2023-11-21 21:00:36,601 INFO L428 stractBuchiCegarLoop]: Abstraction has 27 states and 36 transitions. [2023-11-21 21:00:36,601 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2023-11-21 21:00:36,601 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 27 states and 36 transitions. [2023-11-21 21:00:36,603 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2023-11-21 21:00:36,603 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-21 21:00:36,603 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-21 21:00:36,604 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1] [2023-11-21 21:00:36,604 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2023-11-21 21:00:36,605 INFO L748 eck$LassoCheckResult]: Stem: 366#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 367#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet14#1, main_#t~nondet15#1, main_#t~ret16#1;havoc main_#t~nondet14#1;havoc main_#t~nondet15#1;assume { :begin_inline_test_fun } true;test_fun_#in~x#1, test_fun_#in~y#1 := main_#t~nondet14#1, main_#t~nondet15#1;havoc test_fun_#res#1;havoc test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset, test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset, test_fun_#t~mem9#1, test_fun_#t~mem10#1, test_fun_#t~mem11#1, test_fun_#t~mem5#1, test_fun_#t~mem6#1, test_fun_#t~mem7#1, test_fun_#t~short8#1, test_fun_#t~mem12#1, test_fun_#t~mem4#1, test_fun_#t~mem13#1, test_fun_~x#1, test_fun_~y#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset;test_fun_~x#1 := test_fun_#in~x#1;test_fun_~y#1 := test_fun_#in~y#1;call test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset := test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset;call test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset := test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset;call write~int#0(test_fun_~x#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int#1(test_fun_~y#1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 362#L553-3 call test_fun_#t~mem4#1 := read~int#0(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4); 363#L553-1 assume !!(test_fun_#t~mem4#1 >= 0);havoc test_fun_#t~mem4#1;call write~int#1(1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 379#L555-5 call test_fun_#t~mem5#1 := read~int#0(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call test_fun_#t~mem6#1 := read~int#1(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short8#1 := test_fun_#t~mem5#1 > test_fun_#t~mem6#1; 375#L555-1 assume !test_fun_#t~short8#1; 372#L555-3 assume !test_fun_#t~short8#1;havoc test_fun_#t~mem5#1;havoc test_fun_#t~mem6#1;havoc test_fun_#t~mem7#1;havoc test_fun_#t~short8#1; 358#L555-6 call test_fun_#t~mem12#1 := read~int#0(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int#0(test_fun_#t~mem12#1 - 1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);havoc test_fun_#t~mem12#1; 359#L553-3 call test_fun_#t~mem4#1 := read~int#0(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4); 365#L553-1 assume !!(test_fun_#t~mem4#1 >= 0);havoc test_fun_#t~mem4#1;call write~int#1(1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 360#L555-5 [2023-11-21 21:00:36,605 INFO L750 eck$LassoCheckResult]: Loop: 360#L555-5 call test_fun_#t~mem5#1 := read~int#0(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call test_fun_#t~mem6#1 := read~int#1(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short8#1 := test_fun_#t~mem5#1 > test_fun_#t~mem6#1; 368#L555-1 assume test_fun_#t~short8#1;call test_fun_#t~mem7#1 := read~int#1(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short8#1 := test_fun_#t~mem7#1 < 1073741824; 354#L555-3 assume !!test_fun_#t~short8#1;havoc test_fun_#t~mem5#1;havoc test_fun_#t~mem6#1;havoc test_fun_#t~mem7#1;havoc test_fun_#t~short8#1;call test_fun_#t~mem9#1 := read~int#1(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 355#L556 assume !(test_fun_#t~mem9#1 <= 0);havoc test_fun_#t~mem9#1;call test_fun_#t~mem11#1 := read~int#1(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int#1(2 * test_fun_#t~mem11#1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);havoc test_fun_#t~mem11#1; 360#L555-5 [2023-11-21 21:00:36,605 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:00:36,605 INFO L85 PathProgramCache]: Analyzing trace with hash 765810429, now seen corresponding path program 2 times [2023-11-21 21:00:36,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:00:36,606 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2125948436] [2023-11-21 21:00:36,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:00:36,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:00:36,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 21:00:36,641 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 21:00:36,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 21:00:36,670 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 21:00:36,673 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:00:36,674 INFO L85 PathProgramCache]: Analyzing trace with hash 1450089, now seen corresponding path program 2 times [2023-11-21 21:00:36,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:00:36,674 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1311947969] [2023-11-21 21:00:36,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:00:36,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:00:36,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 21:00:36,687 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 21:00:36,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 21:00:36,697 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 21:00:36,697 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:00:36,697 INFO L85 PathProgramCache]: Analyzing trace with hash -1660970651, now seen corresponding path program 1 times [2023-11-21 21:00:36,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:00:36,698 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1532522017] [2023-11-21 21:00:36,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:00:36,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:00:36,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:00:37,088 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2023-11-21 21:00:37,205 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 21:00:37,205 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 21:00:37,205 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1532522017] [2023-11-21 21:00:37,205 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1532522017] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-21 21:00:37,205 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1124818383] [2023-11-21 21:00:37,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:00:37,206 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 21:00:37,206 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 21:00:37,207 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-21 21:00:37,236 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process [2023-11-21 21:00:37,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:00:37,300 INFO L262 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-21 21:00:37,303 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 21:00:37,332 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-21 21:00:37,366 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2023-11-21 21:00:37,410 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2023-11-21 21:00:37,434 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2023-11-21 21:00:37,499 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2023-11-21 21:00:37,513 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 21:00:37,513 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-21 21:00:37,577 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 13 [2023-11-21 21:00:37,716 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2023-11-21 21:00:37,771 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 21:00:37,771 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1124818383] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-21 21:00:37,772 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-21 21:00:37,772 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 8, 8] total 20 [2023-11-21 21:00:37,772 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2015901756] [2023-11-21 21:00:37,772 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-21 21:00:37,915 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 21:00:37,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-21 21:00:37,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=305, Unknown=0, NotChecked=0, Total=380 [2023-11-21 21:00:37,917 INFO L87 Difference]: Start difference. First operand 27 states and 36 transitions. cyclomatic complexity: 12 Second operand has 20 states, 20 states have (on average 1.7) internal successors, (34), 20 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:00:38,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 21:00:38,272 INFO L93 Difference]: Finished difference Result 84 states and 97 transitions. [2023-11-21 21:00:38,272 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 84 states and 97 transitions. [2023-11-21 21:00:38,274 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2023-11-21 21:00:38,276 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 84 states to 48 states and 53 transitions. [2023-11-21 21:00:38,276 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2023-11-21 21:00:38,276 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 [2023-11-21 21:00:38,276 INFO L73 IsDeterministic]: Start isDeterministic. Operand 48 states and 53 transitions. [2023-11-21 21:00:38,277 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-21 21:00:38,277 INFO L218 hiAutomatonCegarLoop]: Abstraction has 48 states and 53 transitions. [2023-11-21 21:00:38,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states and 53 transitions. [2023-11-21 21:00:38,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 34. [2023-11-21 21:00:38,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 34 states have (on average 1.1470588235294117) internal successors, (39), 33 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 21:00:38,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 39 transitions. [2023-11-21 21:00:38,281 INFO L240 hiAutomatonCegarLoop]: Abstraction has 34 states and 39 transitions. [2023-11-21 21:00:38,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-11-21 21:00:38,285 INFO L428 stractBuchiCegarLoop]: Abstraction has 34 states and 39 transitions. [2023-11-21 21:00:38,285 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2023-11-21 21:00:38,285 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 34 states and 39 transitions. [2023-11-21 21:00:38,286 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2023-11-21 21:00:38,286 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-21 21:00:38,286 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-21 21:00:38,287 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2023-11-21 21:00:38,287 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2023-11-21 21:00:38,287 INFO L748 eck$LassoCheckResult]: Stem: 607#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 608#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet14#1, main_#t~nondet15#1, main_#t~ret16#1;havoc main_#t~nondet14#1;havoc main_#t~nondet15#1;assume { :begin_inline_test_fun } true;test_fun_#in~x#1, test_fun_#in~y#1 := main_#t~nondet14#1, main_#t~nondet15#1;havoc test_fun_#res#1;havoc test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset, test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset, test_fun_#t~mem9#1, test_fun_#t~mem10#1, test_fun_#t~mem11#1, test_fun_#t~mem5#1, test_fun_#t~mem6#1, test_fun_#t~mem7#1, test_fun_#t~short8#1, test_fun_#t~mem12#1, test_fun_#t~mem4#1, test_fun_#t~mem13#1, test_fun_~x#1, test_fun_~y#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset;test_fun_~x#1 := test_fun_#in~x#1;test_fun_~y#1 := test_fun_#in~y#1;call test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset := test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset;call test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset := test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset;call write~int#0(test_fun_~x#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int#1(test_fun_~y#1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 603#L553-3 call test_fun_#t~mem4#1 := read~int#0(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4); 604#L553-1 assume !!(test_fun_#t~mem4#1 >= 0);havoc test_fun_#t~mem4#1;call write~int#1(1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 627#L555-5 call test_fun_#t~mem5#1 := read~int#0(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call test_fun_#t~mem6#1 := read~int#1(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short8#1 := test_fun_#t~mem5#1 > test_fun_#t~mem6#1; 625#L555-1 assume test_fun_#t~short8#1;call test_fun_#t~mem7#1 := read~int#1(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short8#1 := test_fun_#t~mem7#1 < 1073741824; 624#L555-3 assume !!test_fun_#t~short8#1;havoc test_fun_#t~mem5#1;havoc test_fun_#t~mem6#1;havoc test_fun_#t~mem7#1;havoc test_fun_#t~short8#1;call test_fun_#t~mem9#1 := read~int#1(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 601#L556 assume !(test_fun_#t~mem9#1 <= 0);havoc test_fun_#t~mem9#1;call test_fun_#t~mem11#1 := read~int#1(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int#1(2 * test_fun_#t~mem11#1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);havoc test_fun_#t~mem11#1; 602#L555-5 call test_fun_#t~mem5#1 := read~int#0(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call test_fun_#t~mem6#1 := read~int#1(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short8#1 := test_fun_#t~mem5#1 > test_fun_#t~mem6#1; 610#L555-1 assume test_fun_#t~short8#1;call test_fun_#t~mem7#1 := read~int#1(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short8#1 := test_fun_#t~mem7#1 < 1073741824; 612#L555-3 assume !!test_fun_#t~short8#1;havoc test_fun_#t~mem5#1;havoc test_fun_#t~mem6#1;havoc test_fun_#t~mem7#1;havoc test_fun_#t~short8#1;call test_fun_#t~mem9#1 := read~int#1(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 617#L556 assume !(test_fun_#t~mem9#1 <= 0);havoc test_fun_#t~mem9#1;call test_fun_#t~mem11#1 := read~int#1(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int#1(2 * test_fun_#t~mem11#1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);havoc test_fun_#t~mem11#1; 618#L555-5 call test_fun_#t~mem5#1 := read~int#0(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call test_fun_#t~mem6#1 := read~int#1(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short8#1 := test_fun_#t~mem5#1 > test_fun_#t~mem6#1; 614#L555-1 assume !test_fun_#t~short8#1; 613#L555-3 assume !test_fun_#t~short8#1;havoc test_fun_#t~mem5#1;havoc test_fun_#t~mem6#1;havoc test_fun_#t~mem7#1;havoc test_fun_#t~short8#1; 598#L555-6 call test_fun_#t~mem12#1 := read~int#0(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int#0(test_fun_#t~mem12#1 - 1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);havoc test_fun_#t~mem12#1; 599#L553-3 call test_fun_#t~mem4#1 := read~int#0(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4); 606#L553-1 assume !!(test_fun_#t~mem4#1 >= 0);havoc test_fun_#t~mem4#1;call write~int#1(1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 600#L555-5 [2023-11-21 21:00:38,287 INFO L750 eck$LassoCheckResult]: Loop: 600#L555-5 call test_fun_#t~mem5#1 := read~int#0(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call test_fun_#t~mem6#1 := read~int#1(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short8#1 := test_fun_#t~mem5#1 > test_fun_#t~mem6#1; 609#L555-1 assume test_fun_#t~short8#1;call test_fun_#t~mem7#1 := read~int#1(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short8#1 := test_fun_#t~mem7#1 < 1073741824; 594#L555-3 assume !!test_fun_#t~short8#1;havoc test_fun_#t~mem5#1;havoc test_fun_#t~mem6#1;havoc test_fun_#t~mem7#1;havoc test_fun_#t~short8#1;call test_fun_#t~mem9#1 := read~int#1(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 595#L556 assume !(test_fun_#t~mem9#1 <= 0);havoc test_fun_#t~mem9#1;call test_fun_#t~mem11#1 := read~int#1(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int#1(2 * test_fun_#t~mem11#1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);havoc test_fun_#t~mem11#1; 600#L555-5 [2023-11-21 21:00:38,288 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:00:38,288 INFO L85 PathProgramCache]: Analyzing trace with hash -1779388211, now seen corresponding path program 2 times [2023-11-21 21:00:38,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:00:38,289 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [272173477] [2023-11-21 21:00:38,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:00:38,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:00:38,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 21:00:38,316 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 21:00:38,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 21:00:38,334 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 21:00:38,335 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:00:38,335 INFO L85 PathProgramCache]: Analyzing trace with hash 1450089, now seen corresponding path program 3 times [2023-11-21 21:00:38,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:00:38,335 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1657915069] [2023-11-21 21:00:38,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:00:38,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:00:38,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 21:00:38,342 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 21:00:38,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 21:00:38,346 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 21:00:38,347 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:00:38,347 INFO L85 PathProgramCache]: Analyzing trace with hash -647394507, now seen corresponding path program 3 times [2023-11-21 21:00:38,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:00:38,348 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1798306590] [2023-11-21 21:00:38,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:00:38,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:00:38,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 21:00:38,402 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 21:00:38,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 21:00:38,438 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 21:00:40,533 INFO L210 LassoAnalysis]: Preferences: [2023-11-21 21:00:40,533 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-21 21:00:40,533 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-21 21:00:40,534 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-21 21:00:40,534 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-21 21:00:40,534 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 21:00:40,534 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-21 21:00:40,534 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-21 21:00:40,534 INFO L133 ssoRankerPreferences]: Filename of dumped script: c.01_assume-alloca.i_Iteration6_Lasso [2023-11-21 21:00:40,534 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-21 21:00:40,534 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-21 21:00:40,537 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 21:00:40,543 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 21:00:40,546 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 21:00:40,548 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 21:00:40,551 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 21:00:40,554 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 21:00:40,557 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 21:00:40,560 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 21:00:40,563 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 21:00:40,568 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 21:00:40,570 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 21:00:40,573 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 21:00:40,576 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 21:00:40,579 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 21:00:40,583 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 21:00:40,591 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 21:00:40,927 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 21:00:40,931 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 21:00:40,934 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 21:00:40,938 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 21:00:41,296 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-21 21:00:41,296 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-21 21:00:41,297 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 21:00:41,297 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 21:00:41,298 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 21:00:41,305 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 [2023-11-21 21:00:41,322 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2023-11-21 21:00:41,322 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 21:00:41,322 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 21:00:41,323 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 21:00:41,323 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 21:00:41,323 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 21:00:41,323 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 21:00:41,323 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 21:00:41,332 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 21:00:41,350 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2023-11-21 21:00:41,351 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 21:00:41,351 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 21:00:41,352 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 21:00:41,356 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-21 21:00:41,368 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 21:00:41,368 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 21:00:41,368 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 21:00:41,369 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 21:00:41,369 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 21:00:41,369 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 21:00:41,369 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 21:00:41,371 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2023-11-21 21:00:41,392 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 21:00:41,415 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2023-11-21 21:00:41,416 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 21:00:41,416 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 21:00:41,417 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 21:00:41,420 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 [2023-11-21 21:00:41,432 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 21:00:41,433 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 21:00:41,433 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 21:00:41,433 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 21:00:41,433 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 21:00:41,434 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 21:00:41,434 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 21:00:41,435 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2023-11-21 21:00:41,452 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 21:00:41,465 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2023-11-21 21:00:41,465 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 21:00:41,465 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 21:00:41,466 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 21:00:41,468 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2023-11-21 21:00:41,468 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 [2023-11-21 21:00:41,478 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 21:00:41,479 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 21:00:41,479 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 21:00:41,479 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 21:00:41,479 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 21:00:41,479 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 21:00:41,479 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 21:00:41,481 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 21:00:41,494 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2023-11-21 21:00:41,494 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 21:00:41,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 21:00:41,495 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 21:00:41,499 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 [2023-11-21 21:00:41,508 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2023-11-21 21:00:41,511 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 21:00:41,511 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 21:00:41,511 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 21:00:41,511 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 21:00:41,512 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 21:00:41,513 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 21:00:41,516 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 21:00:41,529 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2023-11-21 21:00:41,530 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 21:00:41,530 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 21:00:41,531 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 21:00:41,532 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2023-11-21 21:00:41,532 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 [2023-11-21 21:00:41,542 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 21:00:41,542 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 21:00:41,542 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 21:00:41,542 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 21:00:41,542 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 21:00:41,543 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 21:00:41,543 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 21:00:41,544 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 21:00:41,558 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2023-11-21 21:00:41,561 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 21:00:41,561 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 21:00:41,562 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 21:00:41,563 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2023-11-21 21:00:41,563 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 [2023-11-21 21:00:41,573 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 21:00:41,573 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 21:00:41,573 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 21:00:41,573 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 21:00:41,573 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 21:00:41,574 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 21:00:41,574 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 21:00:41,575 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 21:00:41,586 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2023-11-21 21:00:41,587 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 21:00:41,587 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 21:00:41,588 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 21:00:41,590 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 [2023-11-21 21:00:41,590 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2023-11-21 21:00:41,600 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 21:00:41,600 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 21:00:41,600 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 21:00:41,600 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 21:00:41,600 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 21:00:41,600 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 21:00:41,600 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 21:00:41,602 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 21:00:41,614 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2023-11-21 21:00:41,614 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 21:00:41,615 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 21:00:41,615 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 21:00:41,616 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2023-11-21 21:00:41,617 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 [2023-11-21 21:00:41,627 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 21:00:41,627 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 21:00:41,627 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 21:00:41,627 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 21:00:41,627 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 21:00:41,628 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 21:00:41,628 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 21:00:41,629 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 21:00:41,641 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2023-11-21 21:00:41,642 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 21:00:41,642 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 21:00:41,643 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 21:00:41,644 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2023-11-21 21:00:41,645 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 [2023-11-21 21:00:41,655 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 21:00:41,655 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 21:00:41,655 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 21:00:41,655 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 21:00:41,655 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 21:00:41,655 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 21:00:41,655 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 21:00:41,657 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 21:00:41,669 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Ended with exit code 0 [2023-11-21 21:00:41,676 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 21:00:41,676 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 21:00:41,677 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 21:00:41,679 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2023-11-21 21:00:41,679 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 [2023-11-21 21:00:41,689 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 21:00:41,689 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 21:00:41,689 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 21:00:41,689 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 21:00:41,689 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 21:00:41,690 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 21:00:41,690 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 21:00:41,709 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 21:00:41,724 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2023-11-21 21:00:41,725 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 21:00:41,725 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 21:00:41,726 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 21:00:41,728 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2023-11-21 21:00:41,729 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 [2023-11-21 21:00:41,739 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 21:00:41,739 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 21:00:41,739 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 21:00:41,739 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 21:00:41,740 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 21:00:41,741 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 21:00:41,744 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 21:00:41,758 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2023-11-21 21:00:41,758 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 21:00:41,758 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 21:00:41,759 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 21:00:41,768 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 [2023-11-21 21:00:41,780 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2023-11-21 21:00:41,781 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 21:00:41,781 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 21:00:41,781 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 21:00:41,781 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 21:00:41,783 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 21:00:41,783 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 21:00:41,793 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 21:00:41,812 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Ended with exit code 0 [2023-11-21 21:00:41,812 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 21:00:41,812 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 21:00:41,813 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 21:00:41,816 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 [2023-11-21 21:00:41,816 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2023-11-21 21:00:41,826 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 21:00:41,826 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 21:00:41,826 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 21:00:41,826 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 21:00:41,828 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 21:00:41,828 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 21:00:41,840 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 21:00:41,855 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Ended with exit code 0 [2023-11-21 21:00:41,855 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 21:00:41,855 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 21:00:41,857 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 21:00:41,857 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2023-11-21 21:00:41,858 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 [2023-11-21 21:00:41,869 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 21:00:41,869 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 21:00:41,869 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 21:00:41,869 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 21:00:41,871 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 21:00:41,871 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 21:00:41,886 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 21:00:41,924 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Ended with exit code 0 [2023-11-21 21:00:41,924 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 21:00:41,924 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 21:00:41,925 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 21:00:41,927 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2023-11-21 21:00:41,928 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 [2023-11-21 21:00:41,938 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 21:00:41,939 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 21:00:41,939 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 21:00:41,939 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 21:00:41,950 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 21:00:41,950 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 21:00:41,971 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-21 21:00:42,031 INFO L443 ModelExtractionUtils]: Simplification made 14 calls to the SMT solver. [2023-11-21 21:00:42,032 INFO L444 ModelExtractionUtils]: 10 out of 22 variables were initially zero. Simplification set additionally 9 variables to zero. [2023-11-21 21:00:42,032 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 21:00:42,032 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 21:00:42,045 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 21:00:42,050 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2023-11-21 21:00:42,050 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-21 21:00:42,062 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-21 21:00:42,062 INFO L513 LassoAnalysis]: Proved termination. [2023-11-21 21:00:42,062 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int#1 ULTIMATE.start_test_fun_~y_ref~0#1.base) ULTIMATE.start_test_fun_~y_ref~0#1.offset)_3) = -2*v_rep(select (select #memory_int#1 ULTIMATE.start_test_fun_~y_ref~0#1.base) ULTIMATE.start_test_fun_~y_ref~0#1.offset)_3 + 2147483647 Supporting invariants [] [2023-11-21 21:00:42,101 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Ended with exit code 0 [2023-11-21 21:00:42,145 INFO L156 tatePredicateManager]: 11 out of 11 supporting invariants were superfluous and have been removed [2023-11-21 21:00:42,146 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#1[~y_ref~0!base][~y_ref~0!offset] could not be translated [2023-11-21 21:00:42,160 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:00:42,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:00:42,217 INFO L262 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 21:00:42,218 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 21:00:42,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:00:42,261 INFO L262 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-21 21:00:42,264 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 21:00:42,345 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Forceful destruction successful, exit code 0 [2023-11-21 21:00:42,352 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 21:00:42,353 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2023-11-21 21:00:42,353 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 34 states and 39 transitions. cyclomatic complexity: 8 Second operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 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) [2023-11-21 21:00:42,402 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 34 states and 39 transitions. cyclomatic complexity: 8. Second operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 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 51 states and 59 transitions. Complement of second has 9 states. [2023-11-21 21:00:42,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2023-11-21 21:00:42,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 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) [2023-11-21 21:00:42,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 12 transitions. [2023-11-21 21:00:42,404 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 18 letters. Loop has 4 letters. [2023-11-21 21:00:42,405 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 21:00:42,405 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-11-21 21:00:42,416 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:00:42,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:00:42,459 INFO L262 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 21:00:42,460 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 21:00:42,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:00:42,502 INFO L262 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-21 21:00:42,503 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 21:00:42,554 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 21:00:42,555 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 3 loop predicates [2023-11-21 21:00:42,555 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 34 states and 39 transitions. cyclomatic complexity: 8 Second operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 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) [2023-11-21 21:00:42,595 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 34 states and 39 transitions. cyclomatic complexity: 8. Second operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 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 51 states and 59 transitions. Complement of second has 9 states. [2023-11-21 21:00:42,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2023-11-21 21:00:42,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 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) [2023-11-21 21:00:42,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 12 transitions. [2023-11-21 21:00:42,597 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 18 letters. Loop has 4 letters. [2023-11-21 21:00:42,597 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 21:00:42,597 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-11-21 21:00:42,610 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:00:42,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:00:42,646 INFO L262 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 21:00:42,647 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 21:00:42,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:00:42,687 INFO L262 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-21 21:00:42,688 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 21:00:42,747 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 21:00:42,749 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2023-11-21 21:00:42,749 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 34 states and 39 transitions. cyclomatic complexity: 8 Second operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 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) [2023-11-21 21:00:42,818 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 34 states and 39 transitions. cyclomatic complexity: 8. Second operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 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 58 states and 69 transitions. Complement of second has 8 states. [2023-11-21 21:00:42,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2023-11-21 21:00:42,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 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) [2023-11-21 21:00:42,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 20 transitions. [2023-11-21 21:00:42,825 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 20 transitions. Stem has 18 letters. Loop has 4 letters. [2023-11-21 21:00:42,826 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 21:00:42,826 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 20 transitions. Stem has 22 letters. Loop has 4 letters. [2023-11-21 21:00:42,830 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 21:00:42,830 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 20 transitions. Stem has 18 letters. Loop has 8 letters. [2023-11-21 21:00:42,831 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 21:00:42,831 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 58 states and 69 transitions. [2023-11-21 21:00:42,835 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-21 21:00:42,836 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 58 states to 0 states and 0 transitions. [2023-11-21 21:00:42,836 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-11-21 21:00:42,836 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-11-21 21:00:42,836 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-11-21 21:00:42,836 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 21:00:42,837 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-21 21:00:42,837 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-21 21:00:42,837 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-21 21:00:42,837 INFO L335 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2023-11-21 21:00:42,837 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-11-21 21:00:42,837 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-21 21:00:42,837 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-11-21 21:00:42,845 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.11 09:00:42 BoogieIcfgContainer [2023-11-21 21:00:42,846 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-21 21:00:42,847 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 21:00:42,847 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 21:00:42,847 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 21:00:42,848 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:00:29" (3/4) ... [2023-11-21 21:00:42,850 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-21 21:00:42,851 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 21:00:42,852 INFO L158 Benchmark]: Toolchain (without parser) took 14412.08ms. Allocated memory was 151.0MB in the beginning and 182.5MB in the end (delta: 31.5MB). Free memory was 112.6MB in the beginning and 103.1MB in the end (delta: 9.5MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2023-11-21 21:00:42,853 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 109.1MB. Free memory was 86.3MB in the beginning and 86.2MB in the end (delta: 91.5kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 21:00:42,853 INFO L158 Benchmark]: CACSL2BoogieTranslator took 515.63ms. Allocated memory is still 151.0MB. Free memory was 112.6MB in the beginning and 96.3MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-21 21:00:42,854 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.00ms. Allocated memory is still 151.0MB. Free memory was 96.3MB in the beginning and 94.7MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 21:00:42,854 INFO L158 Benchmark]: Boogie Preprocessor took 39.85ms. Allocated memory is still 151.0MB. Free memory was 94.7MB in the beginning and 92.8MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 21:00:42,854 INFO L158 Benchmark]: RCFGBuilder took 363.46ms. Allocated memory is still 151.0MB. Free memory was 92.8MB in the beginning and 80.3MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-21 21:00:42,855 INFO L158 Benchmark]: BuchiAutomizer took 13440.41ms. Allocated memory was 151.0MB in the beginning and 182.5MB in the end (delta: 31.5MB). Free memory was 80.3MB in the beginning and 104.2MB in the end (delta: -23.9MB). Peak memory consumption was 10.4MB. Max. memory is 16.1GB. [2023-11-21 21:00:42,855 INFO L158 Benchmark]: Witness Printer took 4.88ms. Allocated memory is still 182.5MB. Free memory was 104.2MB in the beginning and 103.1MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 21:00:42,858 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 109.1MB. Free memory was 86.3MB in the beginning and 86.2MB in the end (delta: 91.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 515.63ms. Allocated memory is still 151.0MB. Free memory was 112.6MB in the beginning and 96.3MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.00ms. Allocated memory is still 151.0MB. Free memory was 96.3MB in the beginning and 94.7MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 39.85ms. Allocated memory is still 151.0MB. Free memory was 94.7MB in the beginning and 92.8MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 363.46ms. Allocated memory is still 151.0MB. Free memory was 92.8MB in the beginning and 80.3MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 13440.41ms. Allocated memory was 151.0MB in the beginning and 182.5MB in the end (delta: 31.5MB). Free memory was 80.3MB in the beginning and 104.2MB in the end (delta: -23.9MB). Peak memory consumption was 10.4MB. Max. memory is 16.1GB. * Witness Printer took 4.88ms. Allocated memory is still 182.5MB. Free memory was 104.2MB in the beginning and 103.1MB in the end (delta: 1.0MB). 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: ArrayAccessExpression #memory_int#0[~x_ref~0!base][~x_ref~0!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int#1[~y_ref~0!base][~y_ref~0!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int#1[~y_ref~0!base][~y_ref~0!offset] could not be translated * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 6 terminating modules (3 trivial, 2 deterministic, 1 nondeterministic). One deterministic module has affine ranking function null and consists of 4 locations. One deterministic module has affine ranking function null and consists of 5 locations. One nondeterministic module has affine ranking function null and consists of 5 locations. 3 modules have a trivial ranking function, the largest among these consists of 20 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 13.3s and 7 iterations. TraceHistogramMax:3. Analysis of lassos took 11.6s. Construction of modules took 0.2s. Büchi inclusion checks took 1.3s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 3. Automata minimization 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 28 StatesRemovedByMinimization, 4 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [2, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 114 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 109 mSDsluCounter, 133 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 63 mSDsCounter, 46 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 229 IncrementalHoareTripleChecker+Invalid, 275 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 46 mSolverCounterUnsat, 70 mSDtfsCounter, 229 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI2 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital192 mio100 ax109 hnf100 lsp87 ukn74 mio100 lsp28 div100 bol100 ite100 ukn100 eq183 hnf89 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 59ms 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! [2023-11-21 21:00:42,909 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Ended with exit code 0 [2023-11-21 21:00:43,140 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a33d838-2fe7-42a5-9590-8dc087241c4f/bin/uautomizer-verify-bycVGegfSx/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