./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-15/cstrcspn_diffterm_alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 4fc63b2a 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_5bcaa54b-cd45-405d-9535-6f43c7bc0aa2/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcaa54b-cd45-405d-9535-6f43c7bc0aa2/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcaa54b-cd45-405d-9535-6f43c7bc0aa2/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcaa54b-cd45-405d-9535-6f43c7bc0aa2/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-15/cstrcspn_diffterm_alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcaa54b-cd45-405d-9535-6f43c7bc0aa2/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcaa54b-cd45-405d-9535-6f43c7bc0aa2/bin/uautomizer-verify-4GaUIPS5ZU --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 6bebda7974b4ee09f480826bc3895f6f62b6e4c0586920bb97da4d140e226dad --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:01:47,565 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:01:47,648 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcaa54b-cd45-405d-9535-6f43c7bc0aa2/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Termination-64bit-Automizer_Default.epf [2024-10-31 22:01:47,658 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:01:47,658 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:01:47,689 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:01:47,690 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:01:47,692 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:01:47,693 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:01:47,693 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:01:47,694 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:01:47,694 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:01:47,695 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:01:47,696 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-10-31 22:01:47,698 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-10-31 22:01:47,698 INFO L153 SettingsManager]: * Use old map elimination=false [2024-10-31 22:01:47,698 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-10-31 22:01:47,699 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-10-31 22:01:47,699 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-10-31 22:01:47,699 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:01:47,700 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-10-31 22:01:47,700 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:01:47,700 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:01:47,701 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-10-31 22:01:47,701 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-10-31 22:01:47,701 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-10-31 22:01:47,702 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:01:47,702 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-31 22:01:47,702 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:01:47,702 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-10-31 22:01:47,703 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:01:47,703 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:01:47,703 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:01:47,704 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:01:47,704 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:01:47,704 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-10-31 22:01:47,705 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_5bcaa54b-cd45-405d-9535-6f43c7bc0aa2/bin/uautomizer-verify-4GaUIPS5ZU/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcaa54b-cd45-405d-9535-6f43c7bc0aa2/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6bebda7974b4ee09f480826bc3895f6f62b6e4c0586920bb97da4d140e226dad [2024-10-31 22:01:47,987 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:01:48,014 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:01:48,017 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:01:48,019 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:01:48,020 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:01:48,022 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcaa54b-cd45-405d-9535-6f43c7bc0aa2/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/termination-15/cstrcspn_diffterm_alloca.i Unable to find full path for "g++" [2024-10-31 22:01:50,119 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:01:50,376 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:01:50,377 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcaa54b-cd45-405d-9535-6f43c7bc0aa2/sv-benchmarks/c/termination-15/cstrcspn_diffterm_alloca.i [2024-10-31 22:01:50,389 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcaa54b-cd45-405d-9535-6f43c7bc0aa2/bin/uautomizer-verify-4GaUIPS5ZU/data/cccccf4fb/55d714b67e4b4c77acc4b69aa75ec102/FLAG56e669d91 [2024-10-31 22:01:50,699 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcaa54b-cd45-405d-9535-6f43c7bc0aa2/bin/uautomizer-verify-4GaUIPS5ZU/data/cccccf4fb/55d714b67e4b4c77acc4b69aa75ec102 [2024-10-31 22:01:50,702 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:01:50,703 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:01:50,705 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:01:50,705 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:01:50,714 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:01:50,715 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:01:50" (1/1) ... [2024-10-31 22:01:50,718 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4fd2d479 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:50, skipping insertion in model container [2024-10-31 22:01:50,718 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:01:50" (1/1) ... [2024-10-31 22:01:50,771 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:01:51,151 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:01:51,166 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:01:51,241 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:01:51,289 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:01:51,290 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:51 WrapperNode [2024-10-31 22:01:51,290 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:01:51,291 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:01:51,292 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:01:51,292 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:01:51,300 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:51" (1/1) ... [2024-10-31 22:01:51,315 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:51" (1/1) ... [2024-10-31 22:01:51,344 INFO L138 Inliner]: procedures = 152, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 80 [2024-10-31 22:01:51,346 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:01:51,347 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:01:51,347 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:01:51,348 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:01:51,361 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:51" (1/1) ... [2024-10-31 22:01:51,361 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:51" (1/1) ... [2024-10-31 22:01:51,363 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:51" (1/1) ... [2024-10-31 22:01:51,381 INFO L175 MemorySlicer]: Split 7 memory accesses to 2 slices as follows [3, 4]. 57 percent of accesses are in the largest equivalence class. The 0 initializations are split as follows [0, 0]. The 2 writes are split as follows [1, 1]. [2024-10-31 22:01:51,385 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:51" (1/1) ... [2024-10-31 22:01:51,385 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:51" (1/1) ... [2024-10-31 22:01:51,395 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:51" (1/1) ... [2024-10-31 22:01:51,403 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:51" (1/1) ... [2024-10-31 22:01:51,406 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:51" (1/1) ... [2024-10-31 22:01:51,407 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:51" (1/1) ... [2024-10-31 22:01:51,409 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:01:51,414 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:01:51,414 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:01:51,414 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:01:51,415 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:51" (1/1) ... [2024-10-31 22:01:51,428 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:01:51,439 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcaa54b-cd45-405d-9535-6f43c7bc0aa2/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:01:51,452 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcaa54b-cd45-405d-9535-6f43c7bc0aa2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:01:51,455 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcaa54b-cd45-405d-9535-6f43c7bc0aa2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-10-31 22:01:51,489 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-31 22:01:51,489 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-31 22:01:51,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-31 22:01:51,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-31 22:01:51,490 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-31 22:01:51,491 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-31 22:01:51,491 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:01:51,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:01:51,586 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:01:51,588 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:01:51,833 INFO L? ?]: Removed 31 outVars from TransFormulas that were not future-live. [2024-10-31 22:01:51,833 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:01:51,853 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:01:51,854 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-10-31 22:01:51,854 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:01:51 BoogieIcfgContainer [2024-10-31 22:01:51,855 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:01:51,856 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-10-31 22:01:51,856 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-10-31 22:01:51,860 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-10-31 22:01:51,861 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-31 22:01:51,862 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 31.10 10:01:50" (1/3) ... [2024-10-31 22:01:51,863 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@23519cee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.10 10:01:51, skipping insertion in model container [2024-10-31 22:01:51,863 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-31 22:01:51,863 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:51" (2/3) ... [2024-10-31 22:01:51,865 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@23519cee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.10 10:01:51, skipping insertion in model container [2024-10-31 22:01:51,865 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-31 22:01:51,866 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:01:51" (3/3) ... [2024-10-31 22:01:51,867 INFO L332 chiAutomizerObserver]: Analyzing ICFG cstrcspn_diffterm_alloca.i [2024-10-31 22:01:51,929 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-10-31 22:01:51,929 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-10-31 22:01:51,929 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-10-31 22:01:51,929 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-10-31 22:01:51,929 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-10-31 22:01:51,929 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-10-31 22:01:51,930 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-10-31 22:01:51,930 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-10-31 22:01:51,933 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 18 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 17 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:01:51,950 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2024-10-31 22:01:51,950 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 22:01:51,950 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 22:01:51,956 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2024-10-31 22:01:51,956 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2024-10-31 22:01:51,956 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-10-31 22:01:51,957 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 18 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 17 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:01:51,958 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2024-10-31 22:01:51,958 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 22:01:51,958 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 22:01:51,959 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2024-10-31 22:01:51,959 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2024-10-31 22:01:51,967 INFO L745 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~nondet213#1, main_#t~nondet214#1, main_#t~malloc215#1.base, main_#t~malloc215#1.offset, main_#t~malloc216#1.base, main_#t~malloc216#1.offset, main_#t~ret217#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc main_#t~nondet213#1;main_~length1~0#1 := main_#t~nondet213#1;havoc main_#t~nondet213#1;havoc main_#t~nondet214#1;main_~length2~0#1 := main_#t~nondet214#1;havoc main_#t~nondet214#1; 16#L382true assume !(main_~length1~0#1 < 1); 14#L382-2true assume !(main_~length2~0#1 < 1); 3#L385-1true call main_#t~malloc215#1.base, main_#t~malloc215#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 18446744073709551616);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc215#1.base, main_#t~malloc215#1.offset;call main_#t~malloc216#1.base, main_#t~malloc216#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 18446744073709551616);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc216#1.base, main_#t~malloc216#1.offset;call write~int#0(49, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int#1(49, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrcspn } true;cstrcspn_#in~s1#1.base, cstrcspn_#in~s1#1.offset, cstrcspn_#in~s2#1.base, cstrcspn_#in~s2#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrcspn_#res#1;havoc cstrcspn_#t~mem205#1, cstrcspn_#t~mem206#1, cstrcspn_#t~mem207#1, cstrcspn_#t~mem208#1, cstrcspn_#t~short209#1, cstrcspn_#t~post210#1.base, cstrcspn_#t~post210#1.offset, cstrcspn_#t~mem211#1, cstrcspn_#t~post212#1.base, cstrcspn_#t~post212#1.offset, cstrcspn_~s1#1.base, cstrcspn_~s1#1.offset, cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset, cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset, cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, cstrcspn_~c~0#1;cstrcspn_~s1#1.base, cstrcspn_~s1#1.offset := cstrcspn_#in~s1#1.base, cstrcspn_#in~s1#1.offset;cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset := cstrcspn_#in~s2#1.base, cstrcspn_#in~s2#1.offset;havoc cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset;havoc cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset;havoc cstrcspn_~c~0#1;cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset := cstrcspn_~s1#1.base, cstrcspn_~s1#1.offset; 7#L369-4true [2024-10-31 22:01:51,967 INFO L747 eck$LassoCheckResult]: Loop: 7#L369-4true call cstrcspn_#t~mem205#1 := read~int#0(cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset, 1); 15#L369-1true assume !!(49 != cstrcspn_#t~mem205#1);havoc cstrcspn_#t~mem205#1;cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset := cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset;call cstrcspn_#t~mem206#1 := read~int#0(cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset, 1);cstrcspn_~c~0#1 := cstrcspn_#t~mem206#1;havoc cstrcspn_#t~mem206#1; 5#L372-5true assume !true; 4#L372-6true call cstrcspn_#t~mem211#1 := read~int#1(cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, 1); 19#L374true assume !(cstrcspn_#t~mem211#1 == cstrcspn_~c~0#1);havoc cstrcspn_#t~mem211#1; 8#L369-3true cstrcspn_#t~post212#1.base, cstrcspn_#t~post212#1.offset := cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset;cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset := cstrcspn_#t~post212#1.base, 1 + cstrcspn_#t~post212#1.offset;havoc cstrcspn_#t~post212#1.base, cstrcspn_#t~post212#1.offset; 7#L369-4true [2024-10-31 22:01:51,973 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:01:51,973 INFO L85 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 1 times [2024-10-31 22:01:51,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:01:51,983 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [609889380] [2024-10-31 22:01:51,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:01:51,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:01:52,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:01:52,161 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:01:52,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:01:52,212 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:01:52,216 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:01:52,216 INFO L85 PathProgramCache]: Analyzing trace with hash 1454917130, now seen corresponding path program 1 times [2024-10-31 22:01:52,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:01:52,217 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [217645279] [2024-10-31 22:01:52,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:01:52,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:01:52,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:52,294 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:01:52,295 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:01:52,295 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [217645279] [2024-10-31 22:01:52,296 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [217645279] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:01:52,296 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:01:52,296 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:01:52,296 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1064748117] [2024-10-31 22:01:52,297 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:01:52,300 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-10-31 22:01:52,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:01:52,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-31 22:01:52,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-31 22:01:52,335 INFO L87 Difference]: Start difference. First operand has 18 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 17 states have internal predecessors, (25), 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 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:01:52,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:01:52,343 INFO L93 Difference]: Finished difference Result 18 states and 23 transitions. [2024-10-31 22:01:52,344 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 23 transitions. [2024-10-31 22:01:52,346 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2024-10-31 22:01:52,350 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 13 states and 17 transitions. [2024-10-31 22:01:52,351 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2024-10-31 22:01:52,351 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2024-10-31 22:01:52,352 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 17 transitions. [2024-10-31 22:01:52,352 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-31 22:01:52,353 INFO L218 hiAutomatonCegarLoop]: Abstraction has 13 states and 17 transitions. [2024-10-31 22:01:52,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 17 transitions. [2024-10-31 22:01:52,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2024-10-31 22:01:52,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 1.3076923076923077) internal successors, (17), 12 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:01:52,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 17 transitions. [2024-10-31 22:01:52,384 INFO L240 hiAutomatonCegarLoop]: Abstraction has 13 states and 17 transitions. [2024-10-31 22:01:52,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-31 22:01:52,393 INFO L425 stractBuchiCegarLoop]: Abstraction has 13 states and 17 transitions. [2024-10-31 22:01:52,393 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-10-31 22:01:52,393 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 17 transitions. [2024-10-31 22:01:52,396 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2024-10-31 22:01:52,396 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 22:01:52,396 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 22:01:52,397 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2024-10-31 22:01:52,397 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:01:52,397 INFO L745 eck$LassoCheckResult]: Stem: 55#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 50#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet213#1, main_#t~nondet214#1, main_#t~malloc215#1.base, main_#t~malloc215#1.offset, main_#t~malloc216#1.base, main_#t~malloc216#1.offset, main_#t~ret217#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc main_#t~nondet213#1;main_~length1~0#1 := main_#t~nondet213#1;havoc main_#t~nondet213#1;havoc main_#t~nondet214#1;main_~length2~0#1 := main_#t~nondet214#1;havoc main_#t~nondet214#1; 51#L382 assume !(main_~length1~0#1 < 1); 56#L382-2 assume !(main_~length2~0#1 < 1); 44#L385-1 call main_#t~malloc215#1.base, main_#t~malloc215#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 18446744073709551616);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc215#1.base, main_#t~malloc215#1.offset;call main_#t~malloc216#1.base, main_#t~malloc216#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 18446744073709551616);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc216#1.base, main_#t~malloc216#1.offset;call write~int#0(49, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int#1(49, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrcspn } true;cstrcspn_#in~s1#1.base, cstrcspn_#in~s1#1.offset, cstrcspn_#in~s2#1.base, cstrcspn_#in~s2#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrcspn_#res#1;havoc cstrcspn_#t~mem205#1, cstrcspn_#t~mem206#1, cstrcspn_#t~mem207#1, cstrcspn_#t~mem208#1, cstrcspn_#t~short209#1, cstrcspn_#t~post210#1.base, cstrcspn_#t~post210#1.offset, cstrcspn_#t~mem211#1, cstrcspn_#t~post212#1.base, cstrcspn_#t~post212#1.offset, cstrcspn_~s1#1.base, cstrcspn_~s1#1.offset, cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset, cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset, cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, cstrcspn_~c~0#1;cstrcspn_~s1#1.base, cstrcspn_~s1#1.offset := cstrcspn_#in~s1#1.base, cstrcspn_#in~s1#1.offset;cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset := cstrcspn_#in~s2#1.base, cstrcspn_#in~s2#1.offset;havoc cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset;havoc cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset;havoc cstrcspn_~c~0#1;cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset := cstrcspn_~s1#1.base, cstrcspn_~s1#1.offset; 45#L369-4 [2024-10-31 22:01:52,398 INFO L747 eck$LassoCheckResult]: Loop: 45#L369-4 call cstrcspn_#t~mem205#1 := read~int#0(cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset, 1); 52#L369-1 assume !!(49 != cstrcspn_#t~mem205#1);havoc cstrcspn_#t~mem205#1;cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset := cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset;call cstrcspn_#t~mem206#1 := read~int#0(cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset, 1);cstrcspn_~c~0#1 := cstrcspn_#t~mem206#1;havoc cstrcspn_#t~mem206#1; 48#L372-5 call cstrcspn_#t~mem207#1 := read~int#1(cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, 1);cstrcspn_#t~short209#1 := 49 != cstrcspn_#t~mem207#1; 49#L372-1 assume cstrcspn_#t~short209#1;call cstrcspn_#t~mem208#1 := read~int#1(cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, 1);cstrcspn_#t~short209#1 := cstrcspn_#t~mem208#1 != (if cstrcspn_~c~0#1 % 256 <= 127 then cstrcspn_~c~0#1 % 256 else cstrcspn_~c~0#1 % 256 - 256); 54#L372-3 assume !cstrcspn_#t~short209#1;havoc cstrcspn_#t~mem207#1;havoc cstrcspn_#t~mem208#1;havoc cstrcspn_#t~short209#1; 46#L372-6 call cstrcspn_#t~mem211#1 := read~int#1(cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, 1); 47#L374 assume !(cstrcspn_#t~mem211#1 == cstrcspn_~c~0#1);havoc cstrcspn_#t~mem211#1; 53#L369-3 cstrcspn_#t~post212#1.base, cstrcspn_#t~post212#1.offset := cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset;cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset := cstrcspn_#t~post212#1.base, 1 + cstrcspn_#t~post212#1.offset;havoc cstrcspn_#t~post212#1.base, cstrcspn_#t~post212#1.offset; 45#L369-4 [2024-10-31 22:01:52,398 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:01:52,399 INFO L85 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 2 times [2024-10-31 22:01:52,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:01:52,401 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1533588550] [2024-10-31 22:01:52,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:01:52,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:01:52,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:01:52,468 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:01:52,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:01:52,517 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:01:52,518 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:01:52,518 INFO L85 PathProgramCache]: Analyzing trace with hash 1927396657, now seen corresponding path program 1 times [2024-10-31 22:01:52,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:01:52,519 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1205612926] [2024-10-31 22:01:52,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:01:52,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:01:52,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:01:52,563 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:01:52,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:01:52,592 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:01:52,593 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:01:52,593 INFO L85 PathProgramCache]: Analyzing trace with hash -102988426, now seen corresponding path program 1 times [2024-10-31 22:01:52,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:01:52,598 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [774341800] [2024-10-31 22:01:52,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:01:52,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:01:52,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:01:52,702 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:01:52,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:01:52,751 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:01:54,238 INFO L204 LassoAnalysis]: Preferences: [2024-10-31 22:01:54,238 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-31 22:01:54,239 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-31 22:01:54,239 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-31 22:01:54,239 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-31 22:01:54,239 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:01:54,239 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-31 22:01:54,240 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-31 22:01:54,240 INFO L132 ssoRankerPreferences]: Filename of dumped script: cstrcspn_diffterm_alloca.i_Iteration2_Lasso [2024-10-31 22:01:54,240 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-31 22:01:54,241 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-31 22:01:54,269 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:01:54,279 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:01:54,284 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:01:54,287 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:01:54,294 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:01:54,297 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:01:54,848 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:01:54,853 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:01:54,857 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:01:54,859 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:01:54,862 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:01:54,868 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:01:54,871 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:01:54,874 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:01:54,877 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:01:54,881 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:01:54,885 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:01:54,889 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:01:54,891 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:01:54,895 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:01:54,897 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:01:54,901 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:01:54,908 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:01:54,912 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:01:54,914 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:01:54,917 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:01:54,920 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:01:54,922 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:01:55,808 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-31 22:01:55,815 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-31 22:01:55,817 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:01:55,817 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcaa54b-cd45-405d-9535-6f43c7bc0aa2/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:01:55,820 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcaa54b-cd45-405d-9535-6f43c7bc0aa2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:01:55,822 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcaa54b-cd45-405d-9535-6f43c7bc0aa2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2024-10-31 22:01:55,823 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:01:55,839 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:01:55,839 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:01:55,840 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:01:55,840 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:01:55,840 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:01:55,842 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:01:55,843 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:01:55,847 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:01:55,866 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcaa54b-cd45-405d-9535-6f43c7bc0aa2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2024-10-31 22:01:55,867 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:01:55,867 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcaa54b-cd45-405d-9535-6f43c7bc0aa2/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:01:55,869 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcaa54b-cd45-405d-9535-6f43c7bc0aa2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:01:55,871 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcaa54b-cd45-405d-9535-6f43c7bc0aa2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-10-31 22:01:55,872 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:01:55,887 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:01:55,888 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:01:55,888 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:01:55,888 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:01:55,888 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:01:55,893 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:01:55,893 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:01:55,895 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:01:55,916 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcaa54b-cd45-405d-9535-6f43c7bc0aa2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2024-10-31 22:01:55,917 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:01:55,918 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcaa54b-cd45-405d-9535-6f43c7bc0aa2/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:01:55,920 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcaa54b-cd45-405d-9535-6f43c7bc0aa2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:01:55,921 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcaa54b-cd45-405d-9535-6f43c7bc0aa2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-10-31 22:01:55,923 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:01:55,938 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:01:55,938 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:01:55,938 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:01:55,938 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:01:55,938 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:01:55,939 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:01:55,940 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:01:55,942 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:01:55,961 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcaa54b-cd45-405d-9535-6f43c7bc0aa2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2024-10-31 22:01:55,962 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:01:55,962 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcaa54b-cd45-405d-9535-6f43c7bc0aa2/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:01:55,964 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcaa54b-cd45-405d-9535-6f43c7bc0aa2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:01:55,966 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcaa54b-cd45-405d-9535-6f43c7bc0aa2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-10-31 22:01:55,967 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:01:55,982 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:01:55,982 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:01:55,983 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:01:55,983 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:01:55,986 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:01:55,986 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:01:55,992 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:01:56,010 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcaa54b-cd45-405d-9535-6f43c7bc0aa2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2024-10-31 22:01:56,012 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:01:56,012 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcaa54b-cd45-405d-9535-6f43c7bc0aa2/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:01:56,014 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcaa54b-cd45-405d-9535-6f43c7bc0aa2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:01:56,017 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcaa54b-cd45-405d-9535-6f43c7bc0aa2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2024-10-31 22:01:56,019 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:01:56,033 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:01:56,034 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:01:56,034 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:01:56,034 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:01:56,034 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:01:56,035 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:01:56,036 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:01:56,041 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:01:56,060 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcaa54b-cd45-405d-9535-6f43c7bc0aa2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2024-10-31 22:01:56,060 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:01:56,061 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcaa54b-cd45-405d-9535-6f43c7bc0aa2/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:01:56,064 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcaa54b-cd45-405d-9535-6f43c7bc0aa2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:01:56,065 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcaa54b-cd45-405d-9535-6f43c7bc0aa2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2024-10-31 22:01:56,067 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:01:56,079 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:01:56,080 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:01:56,080 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:01:56,080 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:01:56,086 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:01:56,086 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:01:56,095 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:01:56,116 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcaa54b-cd45-405d-9535-6f43c7bc0aa2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2024-10-31 22:01:56,116 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:01:56,116 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcaa54b-cd45-405d-9535-6f43c7bc0aa2/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:01:56,118 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcaa54b-cd45-405d-9535-6f43c7bc0aa2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:01:56,121 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcaa54b-cd45-405d-9535-6f43c7bc0aa2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2024-10-31 22:01:56,123 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:01:56,138 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:01:56,139 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:01:56,139 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:01:56,139 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:01:56,153 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:01:56,153 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:01:56,172 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:01:56,190 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcaa54b-cd45-405d-9535-6f43c7bc0aa2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2024-10-31 22:01:56,191 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:01:56,191 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcaa54b-cd45-405d-9535-6f43c7bc0aa2/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:01:56,194 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcaa54b-cd45-405d-9535-6f43c7bc0aa2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:01:56,195 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcaa54b-cd45-405d-9535-6f43c7bc0aa2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2024-10-31 22:01:56,196 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:01:56,211 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:01:56,211 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:01:56,211 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:01:56,211 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:01:56,220 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:01:56,220 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:01:56,236 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-31 22:01:56,272 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2024-10-31 22:01:56,273 INFO L444 ModelExtractionUtils]: 5 out of 16 variables were initially zero. Simplification set additionally 8 variables to zero. [2024-10-31 22:01:56,274 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:01:56,275 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcaa54b-cd45-405d-9535-6f43c7bc0aa2/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:01:56,283 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcaa54b-cd45-405d-9535-6f43c7bc0aa2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:01:56,286 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcaa54b-cd45-405d-9535-6f43c7bc0aa2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2024-10-31 22:01:56,287 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-31 22:01:56,304 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-10-31 22:01:56,304 INFO L474 LassoAnalysis]: Proved termination. [2024-10-31 22:01:56,305 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc215#1.base)_1, ULTIMATE.start_cstrcspn_~sc1~0#1.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc215#1.base)_1 - 1*ULTIMATE.start_cstrcspn_~sc1~0#1.offset Supporting invariants [] [2024-10-31 22:01:56,326 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcaa54b-cd45-405d-9535-6f43c7bc0aa2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2024-10-31 22:01:56,438 INFO L156 tatePredicateManager]: 13 out of 14 supporting invariants were superfluous and have been removed [2024-10-31 22:01:56,447 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~sc1~0!offset [2024-10-31 22:01:56,449 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-10-31 22:01:56,449 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-10-31 22:01:56,477 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcaa54b-cd45-405d-9535-6f43c7bc0aa2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2024-10-31 22:01:56,490 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:01:56,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:56,538 INFO L255 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-31 22:01:56,540 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:01:56,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:56,579 INFO L255 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-31 22:01:56,580 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:01:56,678 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:01:56,682 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2024-10-31 22:01:56,683 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states and 17 transitions. cyclomatic complexity: 5 Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:01:56,775 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states and 17 transitions. cyclomatic complexity: 5. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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 21 states and 28 transitions. Complement of second has 4 states. [2024-10-31 22:01:56,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-10-31 22:01:56,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:01:56,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 17 transitions. [2024-10-31 22:01:56,779 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 17 transitions. Stem has 5 letters. Loop has 8 letters. [2024-10-31 22:01:56,780 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:01:56,780 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 17 transitions. Stem has 13 letters. Loop has 8 letters. [2024-10-31 22:01:56,780 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:01:56,780 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 17 transitions. Stem has 5 letters. Loop has 16 letters. [2024-10-31 22:01:56,781 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:01:56,781 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 28 transitions. [2024-10-31 22:01:56,782 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-10-31 22:01:56,782 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 18 states and 25 transitions. [2024-10-31 22:01:56,782 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2024-10-31 22:01:56,783 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2024-10-31 22:01:56,783 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 25 transitions. [2024-10-31 22:01:56,783 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-31 22:01:56,783 INFO L218 hiAutomatonCegarLoop]: Abstraction has 18 states and 25 transitions. [2024-10-31 22:01:56,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 25 transitions. [2024-10-31 22:01:56,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2024-10-31 22:01:56,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 1.3888888888888888) internal successors, (25), 17 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:01:56,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 25 transitions. [2024-10-31 22:01:56,785 INFO L240 hiAutomatonCegarLoop]: Abstraction has 18 states and 25 transitions. [2024-10-31 22:01:56,785 INFO L425 stractBuchiCegarLoop]: Abstraction has 18 states and 25 transitions. [2024-10-31 22:01:56,785 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-10-31 22:01:56,785 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 25 transitions. [2024-10-31 22:01:56,786 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-10-31 22:01:56,786 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 22:01:56,786 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 22:01:56,786 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:01:56,787 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-10-31 22:01:56,787 INFO L745 eck$LassoCheckResult]: Stem: 213#$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~nondet213#1, main_#t~nondet214#1, main_#t~malloc215#1.base, main_#t~malloc215#1.offset, main_#t~malloc216#1.base, main_#t~malloc216#1.offset, main_#t~ret217#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc main_#t~nondet213#1;main_~length1~0#1 := main_#t~nondet213#1;havoc main_#t~nondet213#1;havoc main_#t~nondet214#1;main_~length2~0#1 := main_#t~nondet214#1;havoc main_#t~nondet214#1; 206#L382 assume !(main_~length1~0#1 < 1); 214#L382-2 assume !(main_~length2~0#1 < 1); 197#L385-1 call main_#t~malloc215#1.base, main_#t~malloc215#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 18446744073709551616);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc215#1.base, main_#t~malloc215#1.offset;call main_#t~malloc216#1.base, main_#t~malloc216#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 18446744073709551616);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc216#1.base, main_#t~malloc216#1.offset;call write~int#0(49, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int#1(49, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrcspn } true;cstrcspn_#in~s1#1.base, cstrcspn_#in~s1#1.offset, cstrcspn_#in~s2#1.base, cstrcspn_#in~s2#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrcspn_#res#1;havoc cstrcspn_#t~mem205#1, cstrcspn_#t~mem206#1, cstrcspn_#t~mem207#1, cstrcspn_#t~mem208#1, cstrcspn_#t~short209#1, cstrcspn_#t~post210#1.base, cstrcspn_#t~post210#1.offset, cstrcspn_#t~mem211#1, cstrcspn_#t~post212#1.base, cstrcspn_#t~post212#1.offset, cstrcspn_~s1#1.base, cstrcspn_~s1#1.offset, cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset, cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset, cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, cstrcspn_~c~0#1;cstrcspn_~s1#1.base, cstrcspn_~s1#1.offset := cstrcspn_#in~s1#1.base, cstrcspn_#in~s1#1.offset;cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset := cstrcspn_#in~s2#1.base, cstrcspn_#in~s2#1.offset;havoc cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset;havoc cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset;havoc cstrcspn_~c~0#1;cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset := cstrcspn_~s1#1.base, cstrcspn_~s1#1.offset; 198#L369-4 call cstrcspn_#t~mem205#1 := read~int#0(cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset, 1); 208#L369-1 assume !!(49 != cstrcspn_#t~mem205#1);havoc cstrcspn_#t~mem205#1;cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset := cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset;call cstrcspn_#t~mem206#1 := read~int#0(cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset, 1);cstrcspn_~c~0#1 := cstrcspn_#t~mem206#1;havoc cstrcspn_#t~mem206#1; 201#L372-5 [2024-10-31 22:01:56,787 INFO L747 eck$LassoCheckResult]: Loop: 201#L372-5 call cstrcspn_#t~mem207#1 := read~int#1(cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, 1);cstrcspn_#t~short209#1 := 49 != cstrcspn_#t~mem207#1; 202#L372-1 assume cstrcspn_#t~short209#1;call cstrcspn_#t~mem208#1 := read~int#1(cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, 1);cstrcspn_#t~short209#1 := cstrcspn_#t~mem208#1 != (if cstrcspn_~c~0#1 % 256 <= 127 then cstrcspn_~c~0#1 % 256 else cstrcspn_~c~0#1 % 256 - 256); 211#L372-3 assume !!cstrcspn_#t~short209#1;havoc cstrcspn_#t~mem207#1;havoc cstrcspn_#t~mem208#1;havoc cstrcspn_#t~short209#1;cstrcspn_#t~post210#1.base, cstrcspn_#t~post210#1.offset := cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset;cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset := cstrcspn_#t~post210#1.base, 1 + cstrcspn_#t~post210#1.offset; 201#L372-5 [2024-10-31 22:01:56,791 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:01:56,791 INFO L85 PathProgramCache]: Analyzing trace with hash 1806935595, now seen corresponding path program 1 times [2024-10-31 22:01:56,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:01:56,792 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [911047112] [2024-10-31 22:01:56,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:01:56,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:01:56,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:01:56,835 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:01:56,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:01:56,870 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:01:56,871 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:01:56,871 INFO L85 PathProgramCache]: Analyzing trace with hash 58692, now seen corresponding path program 1 times [2024-10-31 22:01:56,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:01:56,872 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1415231556] [2024-10-31 22:01:56,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:01:56,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:01:56,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:01:56,885 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:01:56,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:01:56,898 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:01:56,898 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:01:56,899 INFO L85 PathProgramCache]: Analyzing trace with hash 1593218778, now seen corresponding path program 1 times [2024-10-31 22:01:56,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:01:56,899 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1692060748] [2024-10-31 22:01:56,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:01:56,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:01:56,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:01:56,946 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:01:56,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:01:56,967 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:01:58,145 INFO L204 LassoAnalysis]: Preferences: [2024-10-31 22:01:58,146 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-31 22:01:58,146 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-31 22:01:58,146 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-31 22:01:58,146 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-31 22:01:58,146 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:01:58,146 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-31 22:01:58,146 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-31 22:01:58,146 INFO L132 ssoRankerPreferences]: Filename of dumped script: cstrcspn_diffterm_alloca.i_Iteration3_Lasso [2024-10-31 22:01:58,146 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-31 22:01:58,146 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-31 22:01:58,150 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:01:58,153 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:01:58,156 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:01:58,159 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:01:58,162 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:01:58,166 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:01:58,169 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:01:58,173 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:01:58,175 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:01:58,178 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:01:58,181 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:01:58,184 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:01:58,187 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:01:58,660 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:01:58,663 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:01:58,666 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:01:58,669 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:01:58,672 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:01:58,675 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:01:58,677 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:01:58,680 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:01:58,683 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:01:58,686 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:01:58,689 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:01:58,697 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:01:58,700 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:01:58,703 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:01:59,459 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-31 22:01:59,459 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-31 22:01:59,460 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:01:59,460 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcaa54b-cd45-405d-9535-6f43c7bc0aa2/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:01:59,462 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcaa54b-cd45-405d-9535-6f43c7bc0aa2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:01:59,463 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcaa54b-cd45-405d-9535-6f43c7bc0aa2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2024-10-31 22:01:59,465 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:01:59,479 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:01:59,479 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:01:59,480 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:01:59,480 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:01:59,480 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:01:59,480 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:01:59,481 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:01:59,482 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:01:59,496 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcaa54b-cd45-405d-9535-6f43c7bc0aa2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2024-10-31 22:01:59,496 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:01:59,496 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcaa54b-cd45-405d-9535-6f43c7bc0aa2/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:01:59,497 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcaa54b-cd45-405d-9535-6f43c7bc0aa2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:01:59,499 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcaa54b-cd45-405d-9535-6f43c7bc0aa2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2024-10-31 22:01:59,500 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:01:59,511 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:01:59,511 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:01:59,512 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:01:59,512 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:01:59,512 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:01:59,512 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:01:59,512 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:01:59,514 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:01:59,530 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcaa54b-cd45-405d-9535-6f43c7bc0aa2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2024-10-31 22:01:59,530 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:01:59,530 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcaa54b-cd45-405d-9535-6f43c7bc0aa2/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:01:59,531 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcaa54b-cd45-405d-9535-6f43c7bc0aa2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:01:59,532 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcaa54b-cd45-405d-9535-6f43c7bc0aa2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2024-10-31 22:01:59,533 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:01:59,544 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:01:59,544 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:01:59,544 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:01:59,544 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:01:59,546 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:01:59,546 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:01:59,550 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:01:59,570 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcaa54b-cd45-405d-9535-6f43c7bc0aa2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2024-10-31 22:01:59,570 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:01:59,570 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcaa54b-cd45-405d-9535-6f43c7bc0aa2/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:01:59,572 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcaa54b-cd45-405d-9535-6f43c7bc0aa2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:01:59,575 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcaa54b-cd45-405d-9535-6f43c7bc0aa2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2024-10-31 22:01:59,576 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:01:59,591 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:01:59,591 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:01:59,592 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:01:59,592 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:01:59,592 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:01:59,592 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:01:59,592 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:01:59,596 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:01:59,614 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcaa54b-cd45-405d-9535-6f43c7bc0aa2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2024-10-31 22:01:59,615 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:01:59,615 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcaa54b-cd45-405d-9535-6f43c7bc0aa2/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:01:59,617 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcaa54b-cd45-405d-9535-6f43c7bc0aa2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:01:59,618 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcaa54b-cd45-405d-9535-6f43c7bc0aa2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2024-10-31 22:01:59,621 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:01:59,632 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:01:59,632 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:01:59,632 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:01:59,632 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:01:59,632 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:01:59,633 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:01:59,633 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:01:59,634 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:01:59,646 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcaa54b-cd45-405d-9535-6f43c7bc0aa2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2024-10-31 22:01:59,646 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:01:59,646 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcaa54b-cd45-405d-9535-6f43c7bc0aa2/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:01:59,648 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcaa54b-cd45-405d-9535-6f43c7bc0aa2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:01:59,649 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcaa54b-cd45-405d-9535-6f43c7bc0aa2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2024-10-31 22:01:59,650 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:01:59,661 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:01:59,661 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:01:59,661 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:01:59,661 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:01:59,661 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:01:59,661 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:01:59,662 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:01:59,663 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:01:59,674 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcaa54b-cd45-405d-9535-6f43c7bc0aa2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2024-10-31 22:01:59,675 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:01:59,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcaa54b-cd45-405d-9535-6f43c7bc0aa2/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:01:59,676 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcaa54b-cd45-405d-9535-6f43c7bc0aa2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:01:59,677 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcaa54b-cd45-405d-9535-6f43c7bc0aa2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2024-10-31 22:01:59,678 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:01:59,689 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:01:59,689 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:01:59,689 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:01:59,689 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:01:59,691 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:01:59,691 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:01:59,694 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:01:59,706 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcaa54b-cd45-405d-9535-6f43c7bc0aa2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2024-10-31 22:01:59,706 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:01:59,706 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcaa54b-cd45-405d-9535-6f43c7bc0aa2/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:01:59,707 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcaa54b-cd45-405d-9535-6f43c7bc0aa2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:01:59,708 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcaa54b-cd45-405d-9535-6f43c7bc0aa2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2024-10-31 22:01:59,709 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:01:59,720 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:01:59,720 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:01:59,720 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:01:59,720 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:01:59,720 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:01:59,721 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:01:59,721 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:01:59,722 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:01:59,735 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcaa54b-cd45-405d-9535-6f43c7bc0aa2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2024-10-31 22:01:59,735 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:01:59,735 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcaa54b-cd45-405d-9535-6f43c7bc0aa2/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:01:59,736 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcaa54b-cd45-405d-9535-6f43c7bc0aa2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:01:59,738 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcaa54b-cd45-405d-9535-6f43c7bc0aa2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2024-10-31 22:01:59,739 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:01:59,749 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:01:59,750 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:01:59,750 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:01:59,750 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:01:59,750 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:01:59,750 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:01:59,750 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:01:59,752 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:01:59,764 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcaa54b-cd45-405d-9535-6f43c7bc0aa2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2024-10-31 22:01:59,764 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:01:59,764 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcaa54b-cd45-405d-9535-6f43c7bc0aa2/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:01:59,766 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcaa54b-cd45-405d-9535-6f43c7bc0aa2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:01:59,768 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcaa54b-cd45-405d-9535-6f43c7bc0aa2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2024-10-31 22:01:59,769 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 [2024-10-31 22:01:59,779 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:01:59,780 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:01:59,780 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:01:59,780 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:01:59,780 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:01:59,780 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:01:59,780 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:01:59,784 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:01:59,801 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcaa54b-cd45-405d-9535-6f43c7bc0aa2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2024-10-31 22:01:59,801 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:01:59,801 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcaa54b-cd45-405d-9535-6f43c7bc0aa2/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:01:59,802 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcaa54b-cd45-405d-9535-6f43c7bc0aa2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:01:59,804 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcaa54b-cd45-405d-9535-6f43c7bc0aa2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2024-10-31 22:01:59,804 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:01:59,815 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:01:59,815 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:01:59,815 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:01:59,815 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:01:59,815 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:01:59,816 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:01:59,816 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:01:59,817 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:01:59,830 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcaa54b-cd45-405d-9535-6f43c7bc0aa2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2024-10-31 22:01:59,831 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:01:59,831 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcaa54b-cd45-405d-9535-6f43c7bc0aa2/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:01:59,832 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcaa54b-cd45-405d-9535-6f43c7bc0aa2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:01:59,833 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcaa54b-cd45-405d-9535-6f43c7bc0aa2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2024-10-31 22:01:59,833 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:01:59,844 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:01:59,844 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:01:59,845 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:01:59,845 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:01:59,845 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:01:59,845 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:01:59,845 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:01:59,846 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:01:59,858 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcaa54b-cd45-405d-9535-6f43c7bc0aa2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2024-10-31 22:01:59,858 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:01:59,859 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcaa54b-cd45-405d-9535-6f43c7bc0aa2/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:01:59,860 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcaa54b-cd45-405d-9535-6f43c7bc0aa2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:01:59,861 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcaa54b-cd45-405d-9535-6f43c7bc0aa2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2024-10-31 22:01:59,861 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:01:59,875 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:01:59,875 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:01:59,876 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:01:59,876 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:01:59,882 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:01:59,882 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:01:59,895 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-31 22:01:59,958 INFO L443 ModelExtractionUtils]: Simplification made 15 calls to the SMT solver. [2024-10-31 22:01:59,959 INFO L444 ModelExtractionUtils]: 2 out of 16 variables were initially zero. Simplification set additionally 9 variables to zero. [2024-10-31 22:01:59,959 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:01:59,959 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcaa54b-cd45-405d-9535-6f43c7bc0aa2/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:01:59,962 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcaa54b-cd45-405d-9535-6f43c7bc0aa2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:01:59,963 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcaa54b-cd45-405d-9535-6f43c7bc0aa2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2024-10-31 22:01:59,964 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-31 22:01:59,980 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2024-10-31 22:01:59,980 INFO L474 LassoAnalysis]: Proved termination. [2024-10-31 22:01:59,980 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrcspn_~s~0#1.offset) = -2*ULTIMATE.start_cstrcspn_~s~0#1.offset + 36893488147419103229 Supporting invariants [-1*v_rep(select #length ULTIMATE.start_cstrcspn_~s2#1.base)_2 + 18446744073709551615 >= 0] [2024-10-31 22:01:59,998 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcaa54b-cd45-405d-9535-6f43c7bc0aa2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2024-10-31 22:02:00,055 INFO L156 tatePredicateManager]: 12 out of 14 supporting invariants were superfluous and have been removed [2024-10-31 22:02:00,061 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~s~0!offset [2024-10-31 22:02:00,095 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:02:00,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:02:00,126 INFO L255 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-10-31 22:02:00,128 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:02:00,178 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 8 treesize of output 1 [2024-10-31 22:02:00,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:02:00,223 INFO L255 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-10-31 22:02:00,224 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:02:00,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:02:00,264 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2024-10-31 22:02:00,265 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 18 states and 25 transitions. cyclomatic complexity: 9 Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:02:00,329 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 18 states and 25 transitions. cyclomatic complexity: 9. Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 33 states and 46 transitions. Complement of second has 6 states. [2024-10-31 22:02:00,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2024-10-31 22:02:00,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:02:00,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 14 transitions. [2024-10-31 22:02:00,331 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 7 letters. Loop has 3 letters. [2024-10-31 22:02:00,331 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:02:00,331 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 10 letters. Loop has 3 letters. [2024-10-31 22:02:00,332 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:02:00,332 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 7 letters. Loop has 6 letters. [2024-10-31 22:02:00,332 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:02:00,332 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 33 states and 46 transitions. [2024-10-31 22:02:00,333 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-10-31 22:02:00,334 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 33 states to 25 states and 34 transitions. [2024-10-31 22:02:00,336 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2024-10-31 22:02:00,336 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2024-10-31 22:02:00,336 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 34 transitions. [2024-10-31 22:02:00,336 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-31 22:02:00,336 INFO L218 hiAutomatonCegarLoop]: Abstraction has 25 states and 34 transitions. [2024-10-31 22:02:00,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states and 34 transitions. [2024-10-31 22:02:00,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 24. [2024-10-31 22:02:00,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 24 states have (on average 1.375) internal successors, (33), 23 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:02:00,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 33 transitions. [2024-10-31 22:02:00,341 INFO L240 hiAutomatonCegarLoop]: Abstraction has 24 states and 33 transitions. [2024-10-31 22:02:00,341 INFO L425 stractBuchiCegarLoop]: Abstraction has 24 states and 33 transitions. [2024-10-31 22:02:00,342 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-10-31 22:02:00,342 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 24 states and 33 transitions. [2024-10-31 22:02:00,343 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-10-31 22:02:00,343 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 22:02:00,343 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 22:02:00,343 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:02:00,343 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-10-31 22:02:00,343 INFO L745 eck$LassoCheckResult]: Stem: 380#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 370#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet213#1, main_#t~nondet214#1, main_#t~malloc215#1.base, main_#t~malloc215#1.offset, main_#t~malloc216#1.base, main_#t~malloc216#1.offset, main_#t~ret217#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc main_#t~nondet213#1;main_~length1~0#1 := main_#t~nondet213#1;havoc main_#t~nondet213#1;havoc main_#t~nondet214#1;main_~length2~0#1 := main_#t~nondet214#1;havoc main_#t~nondet214#1; 371#L382 assume !(main_~length1~0#1 < 1); 381#L382-2 assume !(main_~length2~0#1 < 1); 362#L385-1 call main_#t~malloc215#1.base, main_#t~malloc215#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 18446744073709551616);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc215#1.base, main_#t~malloc215#1.offset;call main_#t~malloc216#1.base, main_#t~malloc216#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 18446744073709551616);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc216#1.base, main_#t~malloc216#1.offset;call write~int#0(49, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int#1(49, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrcspn } true;cstrcspn_#in~s1#1.base, cstrcspn_#in~s1#1.offset, cstrcspn_#in~s2#1.base, cstrcspn_#in~s2#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrcspn_#res#1;havoc cstrcspn_#t~mem205#1, cstrcspn_#t~mem206#1, cstrcspn_#t~mem207#1, cstrcspn_#t~mem208#1, cstrcspn_#t~short209#1, cstrcspn_#t~post210#1.base, cstrcspn_#t~post210#1.offset, cstrcspn_#t~mem211#1, cstrcspn_#t~post212#1.base, cstrcspn_#t~post212#1.offset, cstrcspn_~s1#1.base, cstrcspn_~s1#1.offset, cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset, cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset, cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, cstrcspn_~c~0#1;cstrcspn_~s1#1.base, cstrcspn_~s1#1.offset := cstrcspn_#in~s1#1.base, cstrcspn_#in~s1#1.offset;cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset := cstrcspn_#in~s2#1.base, cstrcspn_#in~s2#1.offset;havoc cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset;havoc cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset;havoc cstrcspn_~c~0#1;cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset := cstrcspn_~s1#1.base, cstrcspn_~s1#1.offset; 363#L369-4 call cstrcspn_#t~mem205#1 := read~int#0(cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset, 1); 372#L369-1 assume !!(49 != cstrcspn_#t~mem205#1);havoc cstrcspn_#t~mem205#1;cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset := cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset;call cstrcspn_#t~mem206#1 := read~int#0(cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset, 1);cstrcspn_~c~0#1 := cstrcspn_#t~mem206#1;havoc cstrcspn_#t~mem206#1; 383#L372-5 call cstrcspn_#t~mem207#1 := read~int#1(cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, 1);cstrcspn_#t~short209#1 := 49 != cstrcspn_#t~mem207#1; 378#L372-1 assume !cstrcspn_#t~short209#1; 379#L372-3 assume !cstrcspn_#t~short209#1;havoc cstrcspn_#t~mem207#1;havoc cstrcspn_#t~mem208#1;havoc cstrcspn_#t~short209#1; 364#L372-6 call cstrcspn_#t~mem211#1 := read~int#1(cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, 1); 365#L374 assume !(cstrcspn_#t~mem211#1 == cstrcspn_~c~0#1);havoc cstrcspn_#t~mem211#1; 376#L369-3 cstrcspn_#t~post212#1.base, cstrcspn_#t~post212#1.offset := cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset;cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset := cstrcspn_#t~post212#1.base, 1 + cstrcspn_#t~post212#1.offset;havoc cstrcspn_#t~post212#1.base, cstrcspn_#t~post212#1.offset; 373#L369-4 call cstrcspn_#t~mem205#1 := read~int#0(cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset, 1); 374#L369-1 assume !!(49 != cstrcspn_#t~mem205#1);havoc cstrcspn_#t~mem205#1;cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset := cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset;call cstrcspn_#t~mem206#1 := read~int#0(cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset, 1);cstrcspn_~c~0#1 := cstrcspn_#t~mem206#1;havoc cstrcspn_#t~mem206#1; 366#L372-5 [2024-10-31 22:02:00,344 INFO L747 eck$LassoCheckResult]: Loop: 366#L372-5 call cstrcspn_#t~mem207#1 := read~int#1(cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, 1);cstrcspn_#t~short209#1 := 49 != cstrcspn_#t~mem207#1; 367#L372-1 assume cstrcspn_#t~short209#1;call cstrcspn_#t~mem208#1 := read~int#1(cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, 1);cstrcspn_#t~short209#1 := cstrcspn_#t~mem208#1 != (if cstrcspn_~c~0#1 % 256 <= 127 then cstrcspn_~c~0#1 % 256 else cstrcspn_~c~0#1 % 256 - 256); 377#L372-3 assume !!cstrcspn_#t~short209#1;havoc cstrcspn_#t~mem207#1;havoc cstrcspn_#t~mem208#1;havoc cstrcspn_#t~short209#1;cstrcspn_#t~post210#1.base, cstrcspn_#t~post210#1.offset := cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset;cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset := cstrcspn_#t~post210#1.base, 1 + cstrcspn_#t~post210#1.offset; 366#L372-5 [2024-10-31 22:02:00,344 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:02:00,344 INFO L85 PathProgramCache]: Analyzing trace with hash 1587378397, now seen corresponding path program 1 times [2024-10-31 22:02:00,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:02:00,344 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [231281099] [2024-10-31 22:02:00,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:02:00,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:02:00,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:02:00,377 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:02:00,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:02:00,418 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:02:00,419 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:02:00,419 INFO L85 PathProgramCache]: Analyzing trace with hash 58692, now seen corresponding path program 2 times [2024-10-31 22:02:00,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:02:00,420 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1833851784] [2024-10-31 22:02:00,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:02:00,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:02:00,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:02:00,433 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:02:00,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:02:00,439 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:02:00,440 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:02:00,440 INFO L85 PathProgramCache]: Analyzing trace with hash 1999924968, now seen corresponding path program 1 times [2024-10-31 22:02:00,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:02:00,441 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1853431553] [2024-10-31 22:02:00,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:02:00,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:02:00,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:02:00,645 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcaa54b-cd45-405d-9535-6f43c7bc0aa2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2024-10-31 22:02:00,827 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:02:00,827 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:02:00,827 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1853431553] [2024-10-31 22:02:00,828 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1853431553] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 22:02:00,828 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [332411647] [2024-10-31 22:02:00,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:02:00,828 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:02:00,828 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcaa54b-cd45-405d-9535-6f43c7bc0aa2/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:02:00,830 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcaa54b-cd45-405d-9535-6f43c7bc0aa2/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:02:00,832 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcaa54b-cd45-405d-9535-6f43c7bc0aa2/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-10-31 22:02:00,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:02:00,925 INFO L255 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-10-31 22:02:00,928 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:02:00,940 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 8 treesize of output 1 [2024-10-31 22:02:01,106 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:02:01,107 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-31 22:02:01,179 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:02:01,180 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [332411647] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-31 22:02:01,181 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-31 22:02:01,181 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 7] total 16 [2024-10-31 22:02:01,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1562463690] [2024-10-31 22:02:01,181 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-31 22:02:01,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:02:01,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-10-31 22:02:01,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=188, Unknown=0, NotChecked=0, Total=240 [2024-10-31 22:02:01,333 INFO L87 Difference]: Start difference. First operand 24 states and 33 transitions. cyclomatic complexity: 12 Second operand has 16 states, 16 states have (on average 2.25) internal successors, (36), 16 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:02:01,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:02:01,507 INFO L93 Difference]: Finished difference Result 54 states and 66 transitions. [2024-10-31 22:02:01,507 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 54 states and 66 transitions. [2024-10-31 22:02:01,508 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-10-31 22:02:01,510 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 54 states to 38 states and 47 transitions. [2024-10-31 22:02:01,510 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2024-10-31 22:02:01,510 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2024-10-31 22:02:01,511 INFO L73 IsDeterministic]: Start isDeterministic. Operand 38 states and 47 transitions. [2024-10-31 22:02:01,511 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-31 22:02:01,511 INFO L218 hiAutomatonCegarLoop]: Abstraction has 38 states and 47 transitions. [2024-10-31 22:02:01,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states and 47 transitions. [2024-10-31 22:02:01,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 28. [2024-10-31 22:02:01,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 28 states have (on average 1.2857142857142858) internal successors, (36), 27 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:02:01,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 36 transitions. [2024-10-31 22:02:01,516 INFO L240 hiAutomatonCegarLoop]: Abstraction has 28 states and 36 transitions. [2024-10-31 22:02:01,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-31 22:02:01,517 INFO L425 stractBuchiCegarLoop]: Abstraction has 28 states and 36 transitions. [2024-10-31 22:02:01,517 INFO L332 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2024-10-31 22:02:01,517 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 28 states and 36 transitions. [2024-10-31 22:02:01,518 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2024-10-31 22:02:01,518 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 22:02:01,518 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 22:02:01,519 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:02:01,519 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-10-31 22:02:01,519 INFO L745 eck$LassoCheckResult]: Stem: 589#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 579#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet213#1, main_#t~nondet214#1, main_#t~malloc215#1.base, main_#t~malloc215#1.offset, main_#t~malloc216#1.base, main_#t~malloc216#1.offset, main_#t~ret217#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc main_#t~nondet213#1;main_~length1~0#1 := main_#t~nondet213#1;havoc main_#t~nondet213#1;havoc main_#t~nondet214#1;main_~length2~0#1 := main_#t~nondet214#1;havoc main_#t~nondet214#1; 580#L382 assume !(main_~length1~0#1 < 1); 590#L382-2 assume !(main_~length2~0#1 < 1); 571#L385-1 call main_#t~malloc215#1.base, main_#t~malloc215#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 18446744073709551616);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc215#1.base, main_#t~malloc215#1.offset;call main_#t~malloc216#1.base, main_#t~malloc216#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 18446744073709551616);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc216#1.base, main_#t~malloc216#1.offset;call write~int#0(49, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int#1(49, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrcspn } true;cstrcspn_#in~s1#1.base, cstrcspn_#in~s1#1.offset, cstrcspn_#in~s2#1.base, cstrcspn_#in~s2#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrcspn_#res#1;havoc cstrcspn_#t~mem205#1, cstrcspn_#t~mem206#1, cstrcspn_#t~mem207#1, cstrcspn_#t~mem208#1, cstrcspn_#t~short209#1, cstrcspn_#t~post210#1.base, cstrcspn_#t~post210#1.offset, cstrcspn_#t~mem211#1, cstrcspn_#t~post212#1.base, cstrcspn_#t~post212#1.offset, cstrcspn_~s1#1.base, cstrcspn_~s1#1.offset, cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset, cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset, cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, cstrcspn_~c~0#1;cstrcspn_~s1#1.base, cstrcspn_~s1#1.offset := cstrcspn_#in~s1#1.base, cstrcspn_#in~s1#1.offset;cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset := cstrcspn_#in~s2#1.base, cstrcspn_#in~s2#1.offset;havoc cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset;havoc cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset;havoc cstrcspn_~c~0#1;cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset := cstrcspn_~s1#1.base, cstrcspn_~s1#1.offset; 572#L369-4 call cstrcspn_#t~mem205#1 := read~int#0(cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset, 1); 581#L369-1 assume !!(49 != cstrcspn_#t~mem205#1);havoc cstrcspn_#t~mem205#1;cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset := cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset;call cstrcspn_#t~mem206#1 := read~int#0(cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset, 1);cstrcspn_~c~0#1 := cstrcspn_#t~mem206#1;havoc cstrcspn_#t~mem206#1; 595#L372-5 call cstrcspn_#t~mem207#1 := read~int#1(cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, 1);cstrcspn_#t~short209#1 := 49 != cstrcspn_#t~mem207#1; 587#L372-1 assume cstrcspn_#t~short209#1;call cstrcspn_#t~mem208#1 := read~int#1(cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, 1);cstrcspn_#t~short209#1 := cstrcspn_#t~mem208#1 != (if cstrcspn_~c~0#1 % 256 <= 127 then cstrcspn_~c~0#1 % 256 else cstrcspn_~c~0#1 % 256 - 256); 588#L372-3 assume !cstrcspn_#t~short209#1;havoc cstrcspn_#t~mem207#1;havoc cstrcspn_#t~mem208#1;havoc cstrcspn_#t~short209#1; 573#L372-6 call cstrcspn_#t~mem211#1 := read~int#1(cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, 1); 574#L374 assume !(cstrcspn_#t~mem211#1 == cstrcspn_~c~0#1);havoc cstrcspn_#t~mem211#1; 585#L369-3 cstrcspn_#t~post212#1.base, cstrcspn_#t~post212#1.offset := cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset;cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset := cstrcspn_#t~post212#1.base, 1 + cstrcspn_#t~post212#1.offset;havoc cstrcspn_#t~post212#1.base, cstrcspn_#t~post212#1.offset; 582#L369-4 call cstrcspn_#t~mem205#1 := read~int#0(cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset, 1); 583#L369-1 assume !!(49 != cstrcspn_#t~mem205#1);havoc cstrcspn_#t~mem205#1;cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset := cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset;call cstrcspn_#t~mem206#1 := read~int#0(cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset, 1);cstrcspn_~c~0#1 := cstrcspn_#t~mem206#1;havoc cstrcspn_#t~mem206#1; 575#L372-5 [2024-10-31 22:02:01,519 INFO L747 eck$LassoCheckResult]: Loop: 575#L372-5 call cstrcspn_#t~mem207#1 := read~int#1(cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, 1);cstrcspn_#t~short209#1 := 49 != cstrcspn_#t~mem207#1; 576#L372-1 assume cstrcspn_#t~short209#1;call cstrcspn_#t~mem208#1 := read~int#1(cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, 1);cstrcspn_#t~short209#1 := cstrcspn_#t~mem208#1 != (if cstrcspn_~c~0#1 % 256 <= 127 then cstrcspn_~c~0#1 % 256 else cstrcspn_~c~0#1 % 256 - 256); 586#L372-3 assume !!cstrcspn_#t~short209#1;havoc cstrcspn_#t~mem207#1;havoc cstrcspn_#t~mem208#1;havoc cstrcspn_#t~short209#1;cstrcspn_#t~post210#1.base, cstrcspn_#t~post210#1.offset := cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset;cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset := cstrcspn_#t~post210#1.base, 1 + cstrcspn_#t~post210#1.offset; 575#L372-5 [2024-10-31 22:02:01,519 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:02:01,519 INFO L85 PathProgramCache]: Analyzing trace with hash -187628965, now seen corresponding path program 2 times [2024-10-31 22:02:01,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:02:01,520 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [53859928] [2024-10-31 22:02:01,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:02:01,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:02:01,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:02:01,543 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:02:01,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:02:01,572 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:02:01,573 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:02:01,573 INFO L85 PathProgramCache]: Analyzing trace with hash 58692, now seen corresponding path program 3 times [2024-10-31 22:02:01,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:02:01,573 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1989187551] [2024-10-31 22:02:01,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:02:01,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:02:01,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:02:01,582 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:02:01,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:02:01,586 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:02:01,587 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:02:01,587 INFO L85 PathProgramCache]: Analyzing trace with hash -1902015318, now seen corresponding path program 1 times [2024-10-31 22:02:01,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:02:01,587 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1565496871] [2024-10-31 22:02:01,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:02:01,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:02:01,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:02:01,608 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:02:01,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:02:01,660 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:02:03,273 INFO L204 LassoAnalysis]: Preferences: [2024-10-31 22:02:03,273 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-31 22:02:03,273 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-31 22:02:03,273 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-31 22:02:03,274 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-31 22:02:03,274 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:02:03,274 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-31 22:02:03,274 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-31 22:02:03,274 INFO L132 ssoRankerPreferences]: Filename of dumped script: cstrcspn_diffterm_alloca.i_Iteration5_Lasso [2024-10-31 22:02:03,274 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-31 22:02:03,274 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-31 22:02:03,278 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:02:03,281 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:02:03,284 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:02:03,287 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:02:03,289 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:02:03,292 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:02:03,294 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:02:03,297 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:02:03,300 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:02:03,818 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:02:03,820 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:02:03,822 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:02:03,825 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:02:03,827 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:02:03,829 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:02:03,837 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:02:03,839 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:02:03,841 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:02:03,843 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:02:03,845 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:02:03,847 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:02:03,851 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:02:03,854 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:02:03,856 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:02:05,345 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-31 22:02:05,346 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-31 22:02:05,346 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:02:05,346 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcaa54b-cd45-405d-9535-6f43c7bc0aa2/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:02:05,351 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcaa54b-cd45-405d-9535-6f43c7bc0aa2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:02:05,354 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcaa54b-cd45-405d-9535-6f43c7bc0aa2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2024-10-31 22:02:05,355 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:02:05,366 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:02:05,366 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:02:05,367 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:02:05,367 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:02:05,367 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:02:05,367 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:02:05,367 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:02:05,370 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:02:05,387 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcaa54b-cd45-405d-9535-6f43c7bc0aa2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2024-10-31 22:02:05,388 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:02:05,388 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcaa54b-cd45-405d-9535-6f43c7bc0aa2/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:02:05,391 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcaa54b-cd45-405d-9535-6f43c7bc0aa2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:02:05,392 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcaa54b-cd45-405d-9535-6f43c7bc0aa2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2024-10-31 22:02:05,393 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:02:05,407 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:02:05,407 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:02:05,408 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:02:05,408 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:02:05,408 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:02:05,408 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:02:05,408 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:02:05,410 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:02:05,423 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcaa54b-cd45-405d-9535-6f43c7bc0aa2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2024-10-31 22:02:05,423 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:02:05,423 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcaa54b-cd45-405d-9535-6f43c7bc0aa2/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:02:05,424 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcaa54b-cd45-405d-9535-6f43c7bc0aa2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:02:05,425 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcaa54b-cd45-405d-9535-6f43c7bc0aa2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2024-10-31 22:02:05,426 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:02:05,437 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:02:05,437 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:02:05,438 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:02:05,438 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:02:05,438 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:02:05,438 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:02:05,438 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:02:05,439 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:02:05,452 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcaa54b-cd45-405d-9535-6f43c7bc0aa2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2024-10-31 22:02:05,453 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:02:05,453 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcaa54b-cd45-405d-9535-6f43c7bc0aa2/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:02:05,455 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcaa54b-cd45-405d-9535-6f43c7bc0aa2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:02:05,456 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcaa54b-cd45-405d-9535-6f43c7bc0aa2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2024-10-31 22:02:05,458 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:02:05,472 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:02:05,472 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:02:05,472 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:02:05,473 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:02:05,473 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:02:05,473 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:02:05,473 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:02:05,475 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:02:05,493 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcaa54b-cd45-405d-9535-6f43c7bc0aa2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2024-10-31 22:02:05,493 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:02:05,493 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcaa54b-cd45-405d-9535-6f43c7bc0aa2/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:02:05,495 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcaa54b-cd45-405d-9535-6f43c7bc0aa2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:02:05,497 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcaa54b-cd45-405d-9535-6f43c7bc0aa2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2024-10-31 22:02:05,498 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:02:05,513 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:02:05,513 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:02:05,513 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:02:05,514 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:02:05,514 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:02:05,514 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:02:05,514 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:02:05,519 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:02:05,537 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcaa54b-cd45-405d-9535-6f43c7bc0aa2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2024-10-31 22:02:05,538 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:02:05,538 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcaa54b-cd45-405d-9535-6f43c7bc0aa2/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:02:05,540 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcaa54b-cd45-405d-9535-6f43c7bc0aa2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:02:05,541 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcaa54b-cd45-405d-9535-6f43c7bc0aa2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2024-10-31 22:02:05,542 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:02:05,556 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:02:05,557 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:02:05,557 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:02:05,557 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:02:05,557 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:02:05,558 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:02:05,558 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:02:05,561 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:02:05,579 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcaa54b-cd45-405d-9535-6f43c7bc0aa2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2024-10-31 22:02:05,581 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:02:05,581 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcaa54b-cd45-405d-9535-6f43c7bc0aa2/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:02:05,583 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcaa54b-cd45-405d-9535-6f43c7bc0aa2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:02:05,585 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:02:05,588 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcaa54b-cd45-405d-9535-6f43c7bc0aa2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2024-10-31 22:02:05,599 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:02:05,599 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:02:05,599 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:02:05,599 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:02:05,599 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:02:05,600 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:02:05,600 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:02:05,601 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:02:05,613 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcaa54b-cd45-405d-9535-6f43c7bc0aa2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2024-10-31 22:02:05,613 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:02:05,613 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcaa54b-cd45-405d-9535-6f43c7bc0aa2/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:02:05,614 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcaa54b-cd45-405d-9535-6f43c7bc0aa2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:02:05,615 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcaa54b-cd45-405d-9535-6f43c7bc0aa2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2024-10-31 22:02:05,616 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:02:05,627 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:02:05,627 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:02:05,627 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:02:05,627 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:02:05,627 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:02:05,628 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:02:05,628 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:02:05,629 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:02:05,642 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcaa54b-cd45-405d-9535-6f43c7bc0aa2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2024-10-31 22:02:05,643 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:02:05,643 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcaa54b-cd45-405d-9535-6f43c7bc0aa2/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:02:05,644 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcaa54b-cd45-405d-9535-6f43c7bc0aa2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:02:05,645 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcaa54b-cd45-405d-9535-6f43c7bc0aa2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2024-10-31 22:02:05,645 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 [2024-10-31 22:02:05,656 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:02:05,657 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:02:05,657 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:02:05,657 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:02:05,662 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:02:05,663 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:02:05,673 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:02:05,689 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcaa54b-cd45-405d-9535-6f43c7bc0aa2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2024-10-31 22:02:05,689 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:02:05,689 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcaa54b-cd45-405d-9535-6f43c7bc0aa2/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:02:05,690 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcaa54b-cd45-405d-9535-6f43c7bc0aa2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:02:05,691 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcaa54b-cd45-405d-9535-6f43c7bc0aa2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2024-10-31 22:02:05,692 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:02:05,703 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:02:05,703 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:02:05,703 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:02:05,703 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:02:05,706 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:02:05,706 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:02:05,712 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:02:05,730 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcaa54b-cd45-405d-9535-6f43c7bc0aa2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2024-10-31 22:02:05,731 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:02:05,731 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcaa54b-cd45-405d-9535-6f43c7bc0aa2/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:02:05,732 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcaa54b-cd45-405d-9535-6f43c7bc0aa2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:02:05,735 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcaa54b-cd45-405d-9535-6f43c7bc0aa2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2024-10-31 22:02:05,736 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:02:05,750 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:02:05,750 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:02:05,750 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:02:05,750 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:02:05,755 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:02:05,755 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:02:05,762 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:02:05,780 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcaa54b-cd45-405d-9535-6f43c7bc0aa2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2024-10-31 22:02:05,780 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:02:05,781 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcaa54b-cd45-405d-9535-6f43c7bc0aa2/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:02:05,783 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcaa54b-cd45-405d-9535-6f43c7bc0aa2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:02:05,785 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcaa54b-cd45-405d-9535-6f43c7bc0aa2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2024-10-31 22:02:05,786 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:02:05,801 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:02:05,801 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:02:05,801 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:02:05,801 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:02:05,803 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:02:05,803 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:02:05,809 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:02:05,827 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcaa54b-cd45-405d-9535-6f43c7bc0aa2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2024-10-31 22:02:05,828 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:02:05,828 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcaa54b-cd45-405d-9535-6f43c7bc0aa2/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:02:05,830 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcaa54b-cd45-405d-9535-6f43c7bc0aa2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:02:05,831 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcaa54b-cd45-405d-9535-6f43c7bc0aa2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2024-10-31 22:02:05,832 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:02:05,847 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:02:05,847 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:02:05,847 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:02:05,847 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:02:05,851 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:02:05,851 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:02:05,860 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-31 22:02:05,879 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2024-10-31 22:02:05,880 INFO L444 ModelExtractionUtils]: 3 out of 16 variables were initially zero. Simplification set additionally 10 variables to zero. [2024-10-31 22:02:05,880 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:02:05,880 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcaa54b-cd45-405d-9535-6f43c7bc0aa2/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:02:05,881 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcaa54b-cd45-405d-9535-6f43c7bc0aa2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:02:05,882 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcaa54b-cd45-405d-9535-6f43c7bc0aa2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2024-10-31 22:02:05,882 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-31 22:02:05,894 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-10-31 22:02:05,894 INFO L474 LassoAnalysis]: Proved termination. [2024-10-31 22:02:05,895 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrcspn_~s~0#1.offset, v_rep(select #length ULTIMATE.start_main_#t~malloc216#1.base)_3) = -1*ULTIMATE.start_cstrcspn_~s~0#1.offset + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc216#1.base)_3 Supporting invariants [] [2024-10-31 22:02:05,912 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcaa54b-cd45-405d-9535-6f43c7bc0aa2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2024-10-31 22:02:05,944 INFO L156 tatePredicateManager]: 7 out of 8 supporting invariants were superfluous and have been removed [2024-10-31 22:02:05,957 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~s~0!offset [2024-10-31 22:02:05,958 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-10-31 22:02:05,958 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-10-31 22:02:05,980 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcaa54b-cd45-405d-9535-6f43c7bc0aa2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2024-10-31 22:02:05,992 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:02:06,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:02:06,030 INFO L255 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-31 22:02:06,031 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:02:06,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:02:06,107 INFO L255 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-10-31 22:02:06,108 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:02:06,147 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:02:06,147 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2024-10-31 22:02:06,147 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 28 states and 36 transitions. cyclomatic complexity: 11 Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:02:06,198 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 28 states and 36 transitions. cyclomatic complexity: 11. Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 36 states and 47 transitions. Complement of second has 6 states. [2024-10-31 22:02:06,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2024-10-31 22:02:06,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:02:06,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 14 transitions. [2024-10-31 22:02:06,200 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 15 letters. Loop has 3 letters. [2024-10-31 22:02:06,200 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:02:06,200 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-10-31 22:02:06,223 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:02:06,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:02:06,263 INFO L255 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-31 22:02:06,264 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:02:06,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:02:06,336 INFO L255 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-10-31 22:02:06,337 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:02:06,371 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:02:06,372 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.2 stem predicates 2 loop predicates [2024-10-31 22:02:06,372 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 28 states and 36 transitions. cyclomatic complexity: 11 Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:02:06,430 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 28 states and 36 transitions. cyclomatic complexity: 11. Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 36 states and 47 transitions. Complement of second has 6 states. [2024-10-31 22:02:06,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2024-10-31 22:02:06,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:02:06,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 14 transitions. [2024-10-31 22:02:06,432 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 15 letters. Loop has 3 letters. [2024-10-31 22:02:06,432 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:02:06,432 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-10-31 22:02:06,458 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:02:06,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:02:06,495 INFO L255 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-31 22:02:06,496 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:02:06,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:02:06,564 INFO L255 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-10-31 22:02:06,565 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:02:06,596 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:02:06,597 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2024-10-31 22:02:06,597 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 28 states and 36 transitions. cyclomatic complexity: 11 Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:02:06,653 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 28 states and 36 transitions. cyclomatic complexity: 11. Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 40 states and 55 transitions. Complement of second has 5 states. [2024-10-31 22:02:06,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2024-10-31 22:02:06,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:02:06,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 23 transitions. [2024-10-31 22:02:06,655 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 15 letters. Loop has 3 letters. [2024-10-31 22:02:06,655 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:02:06,655 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 18 letters. Loop has 3 letters. [2024-10-31 22:02:06,656 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:02:06,656 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 15 letters. Loop has 6 letters. [2024-10-31 22:02:06,656 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:02:06,656 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 40 states and 55 transitions. [2024-10-31 22:02:06,658 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-10-31 22:02:06,658 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 40 states to 0 states and 0 transitions. [2024-10-31 22:02:06,658 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-10-31 22:02:06,659 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-10-31 22:02:06,659 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-10-31 22:02:06,659 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-31 22:02:06,659 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-31 22:02:06,659 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-31 22:02:06,659 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-31 22:02:06,659 INFO L332 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2024-10-31 22:02:06,659 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-10-31 22:02:06,660 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-10-31 22:02:06,660 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-10-31 22:02:06,668 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 31.10 10:02:06 BoogieIcfgContainer [2024-10-31 22:02:06,668 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-10-31 22:02:06,668 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-31 22:02:06,669 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-31 22:02:06,669 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-31 22:02:06,669 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:01:51" (3/4) ... [2024-10-31 22:02:06,672 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-10-31 22:02:06,673 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-31 22:02:06,674 INFO L158 Benchmark]: Toolchain (without parser) took 15970.50ms. Allocated memory was 130.0MB in the beginning and 207.6MB in the end (delta: 77.6MB). Free memory was 84.9MB in the beginning and 117.4MB in the end (delta: -32.4MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2024-10-31 22:02:06,674 INFO L158 Benchmark]: CDTParser took 0.56ms. Allocated memory is still 130.0MB. Free memory is still 100.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:02:06,674 INFO L158 Benchmark]: CACSL2BoogieTranslator took 585.77ms. Allocated memory is still 130.0MB. Free memory was 84.5MB in the beginning and 64.4MB in the end (delta: 20.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-10-31 22:02:06,675 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.97ms. Allocated memory is still 130.0MB. Free memory was 64.4MB in the beginning and 62.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 22:02:06,675 INFO L158 Benchmark]: Boogie Preprocessor took 66.33ms. Allocated memory is still 130.0MB. Free memory was 62.3MB in the beginning and 60.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 22:02:06,676 INFO L158 Benchmark]: RCFGBuilder took 440.80ms. Allocated memory was 130.0MB in the beginning and 172.0MB in the end (delta: 41.9MB). Free memory was 60.2MB in the beginning and 139.1MB in the end (delta: -78.9MB). Peak memory consumption was 18.2MB. Max. memory is 16.1GB. [2024-10-31 22:02:06,676 INFO L158 Benchmark]: BuchiAutomizer took 14812.21ms. Allocated memory was 172.0MB in the beginning and 207.6MB in the end (delta: 35.7MB). Free memory was 139.1MB in the beginning and 117.4MB in the end (delta: 21.8MB). Peak memory consumption was 57.2MB. Max. memory is 16.1GB. [2024-10-31 22:02:06,676 INFO L158 Benchmark]: Witness Printer took 4.73ms. Allocated memory is still 207.6MB. Free memory is still 117.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:02:06,678 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.56ms. Allocated memory is still 130.0MB. Free memory is still 100.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 585.77ms. Allocated memory is still 130.0MB. Free memory was 84.5MB in the beginning and 64.4MB in the end (delta: 20.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.97ms. Allocated memory is still 130.0MB. Free memory was 64.4MB in the beginning and 62.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 66.33ms. Allocated memory is still 130.0MB. Free memory was 62.3MB in the beginning and 60.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 440.80ms. Allocated memory was 130.0MB in the beginning and 172.0MB in the end (delta: 41.9MB). Free memory was 60.2MB in the beginning and 139.1MB in the end (delta: -78.9MB). Peak memory consumption was 18.2MB. Max. memory is 16.1GB. * BuchiAutomizer took 14812.21ms. Allocated memory was 172.0MB in the beginning and 207.6MB in the end (delta: 35.7MB). Free memory was 139.1MB in the beginning and 117.4MB in the end (delta: 21.8MB). Peak memory consumption was 57.2MB. Max. memory is 16.1GB. * Witness Printer took 4.73ms. Allocated memory is still 207.6MB. Free memory is still 117.4MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~sc1~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~s~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~s~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 5 terminating modules (2 trivial, 2 deterministic, 1 nondeterministic). One deterministic module has affine ranking function null and consists of 3 locations. One deterministic module has affine ranking function null and consists of 4 locations. One nondeterministic module has affine ranking function null and consists of 4 locations. 2 modules have a trivial ranking function, the largest among these consists of 16 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 14.7s and 6 iterations. TraceHistogramMax:2. Analysis of lassos took 13.0s. Construction of modules took 0.1s. Büchi inclusion checks took 1.4s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 3. Automata minimization 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 11 StatesRemovedByMinimization, 2 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, 126 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 126 mSDsluCounter, 216 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 121 mSDsCounter, 32 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 119 IncrementalHoareTripleChecker+Invalid, 151 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 32 mSolverCounterUnsat, 95 mSDtfsCounter, 119 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital277 mio100 ax100 hnf100 lsp110 ukn61 mio100 lsp31 div151 bol100 ite100 ukn100 eq154 hnf97 smp69 dnf1100 smp32 tf100 neg100 sie113 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 30ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2024-10-31 22:02:06,714 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcaa54b-cd45-405d-9535-6f43c7bc0aa2/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2024-10-31 22:02:06,911 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bcaa54b-cd45-405d-9535-6f43c7bc0aa2/bin/uautomizer-verify-4GaUIPS5ZU/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