./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/array-memsafety/openbsd_cstrnlen-alloca-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4902c44-f572-4b7a-9747-dfd1438419a7/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4902c44-f572-4b7a-9747-dfd1438419a7/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4902c44-f572-4b7a-9747-dfd1438419a7/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4902c44-f572-4b7a-9747-dfd1438419a7/bin/uautomizer-verify-bycVGegfSx/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/array-memsafety/openbsd_cstrnlen-alloca-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4902c44-f572-4b7a-9747-dfd1438419a7/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4902c44-f572-4b7a-9747-dfd1438419a7/bin/uautomizer-verify-bycVGegfSx --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b06b08d501323de811576605780ed72bdf24037e477195316df25396abb6c35b --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:07:07,344 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:07:07,484 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4902c44-f572-4b7a-9747-dfd1438419a7/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Termination-32bit-Automizer_Default.epf [2023-11-21 22:07:07,494 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:07:07,495 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:07:07,541 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:07:07,542 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:07:07,543 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:07:07,544 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 22:07:07,550 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 22:07:07,552 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:07:07,553 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:07:07,553 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:07:07,556 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-21 22:07:07,556 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-21 22:07:07,557 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-21 22:07:07,557 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-21 22:07:07,558 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-21 22:07:07,558 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-21 22:07:07,559 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:07:07,559 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-21 22:07:07,560 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 22:07:07,560 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 22:07:07,561 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 22:07:07,561 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:07:07,562 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-21 22:07:07,562 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-21 22:07:07,562 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-21 22:07:07,563 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 22:07:07,563 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 22:07:07,565 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:07:07,565 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-21 22:07:07,565 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:07:07,566 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:07:07,566 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:07:07,567 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:07:07,567 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 22:07:07,568 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-21 22:07:07,568 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_d4902c44-f572-4b7a-9747-dfd1438419a7/bin/uautomizer-verify-bycVGegfSx/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4902c44-f572-4b7a-9747-dfd1438419a7/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b06b08d501323de811576605780ed72bdf24037e477195316df25396abb6c35b [2023-11-21 22:07:07,887 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:07:07,923 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:07:07,926 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:07:07,928 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:07:07,929 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:07:07,930 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4902c44-f572-4b7a-9747-dfd1438419a7/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/array-memsafety/openbsd_cstrnlen-alloca-1.i [2023-11-21 22:07:11,197 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:07:11,526 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:07:11,526 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4902c44-f572-4b7a-9747-dfd1438419a7/sv-benchmarks/c/array-memsafety/openbsd_cstrnlen-alloca-1.i [2023-11-21 22:07:11,547 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4902c44-f572-4b7a-9747-dfd1438419a7/bin/uautomizer-verify-bycVGegfSx/data/55fd29a18/240213d0d7f64e61802fe9c2527ef39e/FLAGee3d0bd5c [2023-11-21 22:07:11,570 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4902c44-f572-4b7a-9747-dfd1438419a7/bin/uautomizer-verify-bycVGegfSx/data/55fd29a18/240213d0d7f64e61802fe9c2527ef39e [2023-11-21 22:07:11,576 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:07:11,579 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:07:11,583 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:07:11,583 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:07:11,589 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:07:11,590 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:07:11" (1/1) ... [2023-11-21 22:07:11,591 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@91c8bec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:07:11, skipping insertion in model container [2023-11-21 22:07:11,592 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:07:11" (1/1) ... [2023-11-21 22:07:11,662 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:07:11,970 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:07:11,983 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 22:07:12,045 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:07:12,083 INFO L206 MainTranslator]: Completed translation [2023-11-21 22:07:12,084 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:07:12 WrapperNode [2023-11-21 22:07:12,084 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:07:12,086 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 22:07:12,086 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 22:07:12,086 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 22:07:12,094 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:07:12" (1/1) ... [2023-11-21 22:07:12,122 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:07:12" (1/1) ... [2023-11-21 22:07:12,154 INFO L138 Inliner]: procedures = 117, calls = 9, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 62 [2023-11-21 22:07:12,155 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 22:07:12,156 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 22:07:12,156 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 22:07:12,157 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 22:07:12,169 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:07:12" (1/1) ... [2023-11-21 22:07:12,169 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:07:12" (1/1) ... [2023-11-21 22:07:12,188 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:07:12" (1/1) ... [2023-11-21 22:07:12,202 INFO L187 HeapSplitter]: Split 3 memory accesses to 1 slices as follows [3] [2023-11-21 22:07:12,203 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:07:12" (1/1) ... [2023-11-21 22:07:12,203 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:07:12" (1/1) ... [2023-11-21 22:07:12,209 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:07:12" (1/1) ... [2023-11-21 22:07:12,212 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:07:12" (1/1) ... [2023-11-21 22:07:12,214 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:07:12" (1/1) ... [2023-11-21 22:07:12,215 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:07:12" (1/1) ... [2023-11-21 22:07:12,218 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 22:07:12,219 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 22:07:12,220 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 22:07:12,220 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 22:07:12,221 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:07:12" (1/1) ... [2023-11-21 22:07:12,227 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:07:12,241 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4902c44-f572-4b7a-9747-dfd1438419a7/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:07:12,257 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4902c44-f572-4b7a-9747-dfd1438419a7/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:07:12,279 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4902c44-f572-4b7a-9747-dfd1438419a7/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-21 22:07:12,310 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-21 22:07:12,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-21 22:07:12,310 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 22:07:12,310 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 22:07:12,311 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 22:07:12,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 22:07:12,430 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 22:07:12,432 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 22:07:12,604 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 22:07:12,614 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 22:07:12,614 INFO L308 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-21 22:07:12,616 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:07:12 BoogieIcfgContainer [2023-11-21 22:07:12,616 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 22:07:12,617 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-21 22:07:12,617 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-21 22:07:12,622 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-21 22:07:12,622 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-21 22:07:12,623 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.11 10:07:11" (1/3) ... [2023-11-21 22:07:12,624 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7e9ecb3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.11 10:07:12, skipping insertion in model container [2023-11-21 22:07:12,624 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-21 22:07:12,624 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:07:12" (2/3) ... [2023-11-21 22:07:12,625 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7e9ecb3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.11 10:07:12, skipping insertion in model container [2023-11-21 22:07:12,625 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-21 22:07:12,625 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:07:12" (3/3) ... [2023-11-21 22:07:12,626 INFO L332 chiAutomizerObserver]: Analyzing ICFG openbsd_cstrnlen-alloca-1.i [2023-11-21 22:07:12,688 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-21 22:07:12,689 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-21 22:07:12,689 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-21 22:07:12,689 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-21 22:07:12,689 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-21 22:07:12,689 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-21 22:07:12,689 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-21 22:07:12,690 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-21 22:07:12,694 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 17 states, 16 states have (on average 1.4375) internal successors, (23), 16 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:07:12,717 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2023-11-21 22:07:12,718 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-21 22:07:12,718 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-21 22:07:12,724 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2023-11-21 22:07:12,724 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-21 22:07:12,724 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-21 22:07:12,725 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 17 states, 16 states have (on average 1.4375) internal successors, (23), 16 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:07:12,727 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2023-11-21 22:07:12,727 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-21 22:07:12,727 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-21 22:07:12,728 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2023-11-21 22:07:12,728 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-21 22:07:12,737 INFO L748 eck$LassoCheckResult]: Stem: 13#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 8#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~nondet7#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~nondet10#1, main_#t~post9#1, main_~i~0#1, main_#t~ret11#1, main_~length1~0#1, main_~n~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset;havoc main_#t~nondet6#1;main_~length1~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;havoc main_#t~nondet7#1;main_~n~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 11#L524true assume !(main_~length1~0#1 < 1); 16#L524-2true assume !(main_~n~0#1 < 1); 4#L527-1true call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;main_~i~0#1 := 0; 15#L532-3true [2023-11-21 22:07:12,737 INFO L750 eck$LassoCheckResult]: Loop: 15#L532-3true assume !!(main_~i~0#1 < main_~length1~0#1 - 1);havoc main_#t~nondet10#1;call write~int#0(main_#t~nondet10#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet10#1; 6#L532-2true main_#t~post9#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 15#L532-3true [2023-11-21 22:07:12,744 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:07:12,744 INFO L85 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 1 times [2023-11-21 22:07:12,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:07:12,757 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1378228310] [2023-11-21 22:07:12,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:07:12,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:07:12,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:07:12,874 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:07:12,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:07:12,908 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:07:12,911 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:07:12,912 INFO L85 PathProgramCache]: Analyzing trace with hash 1699, now seen corresponding path program 1 times [2023-11-21 22:07:12,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:07:12,912 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1296541054] [2023-11-21 22:07:12,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:07:12,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:07:12,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:07:12,943 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:07:12,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:07:12,954 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:07:12,956 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:07:12,956 INFO L85 PathProgramCache]: Analyzing trace with hash 1806935720, now seen corresponding path program 1 times [2023-11-21 22:07:12,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:07:12,957 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1935667690] [2023-11-21 22:07:12,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:07:12,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:07:12,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:07:12,997 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:07:13,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:07:13,026 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:07:13,437 INFO L210 LassoAnalysis]: Preferences: [2023-11-21 22:07:13,438 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-21 22:07:13,438 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-21 22:07:13,439 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-21 22:07:13,439 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-21 22:07:13,439 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:07:13,439 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-21 22:07:13,439 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-21 22:07:13,440 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrnlen-alloca-1.i_Iteration1_Lasso [2023-11-21 22:07:13,440 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-21 22:07:13,440 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-21 22:07:13,465 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:07:13,482 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:07:13,486 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:07:13,492 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:07:13,496 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:07:13,503 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:07:13,516 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:07:13,521 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:07:13,525 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:07:13,694 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:07:13,697 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:07:13,700 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:07:14,025 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-21 22:07:14,060 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-21 22:07:14,062 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:07:14,067 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4902c44-f572-4b7a-9747-dfd1438419a7/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:07:14,071 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4902c44-f572-4b7a-9747-dfd1438419a7/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:07:14,083 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4902c44-f572-4b7a-9747-dfd1438419a7/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-11-21 22:07:14,084 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-21 22:07:14,099 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:07:14,099 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:07:14,099 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:07:14,100 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:07:14,106 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:07:14,106 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:07:14,127 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:07:14,154 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4902c44-f572-4b7a-9747-dfd1438419a7/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2023-11-21 22:07:14,155 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:07:14,155 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4902c44-f572-4b7a-9747-dfd1438419a7/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:07:14,157 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4902c44-f572-4b7a-9747-dfd1438419a7/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:07:14,171 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-21 22:07:14,172 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4902c44-f572-4b7a-9747-dfd1438419a7/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-11-21 22:07:14,183 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:07:14,183 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:07:14,184 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:07:14,184 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:07:14,184 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:07:14,185 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:07:14,185 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:07:14,196 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:07:14,213 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4902c44-f572-4b7a-9747-dfd1438419a7/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2023-11-21 22:07:14,214 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:07:14,214 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4902c44-f572-4b7a-9747-dfd1438419a7/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:07:14,215 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4902c44-f572-4b7a-9747-dfd1438419a7/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:07:14,216 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4902c44-f572-4b7a-9747-dfd1438419a7/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-11-21 22:07:14,218 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-21 22:07:14,233 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:07:14,234 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:07:14,234 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:07:14,234 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:07:14,234 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:07:14,235 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:07:14,235 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:07:14,271 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:07:14,291 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4902c44-f572-4b7a-9747-dfd1438419a7/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2023-11-21 22:07:14,291 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:07:14,292 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4902c44-f572-4b7a-9747-dfd1438419a7/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:07:14,293 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4902c44-f572-4b7a-9747-dfd1438419a7/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:07:14,294 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4902c44-f572-4b7a-9747-dfd1438419a7/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-11-21 22:07:14,295 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-21 22:07:14,305 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:07:14,305 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:07:14,305 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:07:14,305 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:07:14,305 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:07:14,306 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:07:14,306 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:07:14,317 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:07:14,341 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4902c44-f572-4b7a-9747-dfd1438419a7/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2023-11-21 22:07:14,342 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:07:14,342 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4902c44-f572-4b7a-9747-dfd1438419a7/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:07:14,344 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4902c44-f572-4b7a-9747-dfd1438419a7/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:07:14,356 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-21 22:07:14,368 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4902c44-f572-4b7a-9747-dfd1438419a7/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2023-11-21 22:07:14,374 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:07:14,376 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:07:14,376 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:07:14,376 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:07:14,381 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:07:14,381 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:07:14,403 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:07:14,427 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4902c44-f572-4b7a-9747-dfd1438419a7/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2023-11-21 22:07:14,427 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:07:14,427 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4902c44-f572-4b7a-9747-dfd1438419a7/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:07:14,429 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4902c44-f572-4b7a-9747-dfd1438419a7/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:07:14,437 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-21 22:07:14,449 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:07:14,449 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:07:14,450 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:07:14,450 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:07:14,454 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4902c44-f572-4b7a-9747-dfd1438419a7/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2023-11-21 22:07:14,459 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:07:14,459 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:07:14,479 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:07:14,503 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4902c44-f572-4b7a-9747-dfd1438419a7/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2023-11-21 22:07:14,504 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:07:14,504 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4902c44-f572-4b7a-9747-dfd1438419a7/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:07:14,505 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4902c44-f572-4b7a-9747-dfd1438419a7/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:07:14,512 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4902c44-f572-4b7a-9747-dfd1438419a7/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2023-11-21 22:07:14,512 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-21 22:07:14,526 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:07:14,526 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:07:14,526 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:07:14,526 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:07:14,529 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:07:14,529 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:07:14,555 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:07:14,579 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4902c44-f572-4b7a-9747-dfd1438419a7/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2023-11-21 22:07:14,580 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:07:14,580 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4902c44-f572-4b7a-9747-dfd1438419a7/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:07:14,581 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4902c44-f572-4b7a-9747-dfd1438419a7/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:07:14,592 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-21 22:07:14,605 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:07:14,605 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:07:14,605 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:07:14,605 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:07:14,605 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:07:14,606 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:07:14,606 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:07:14,608 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4902c44-f572-4b7a-9747-dfd1438419a7/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2023-11-21 22:07:14,615 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:07:14,639 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4902c44-f572-4b7a-9747-dfd1438419a7/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2023-11-21 22:07:14,639 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:07:14,640 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4902c44-f572-4b7a-9747-dfd1438419a7/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:07:14,641 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4902c44-f572-4b7a-9747-dfd1438419a7/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:07:14,647 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4902c44-f572-4b7a-9747-dfd1438419a7/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2023-11-21 22:07:14,648 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-21 22:07:14,661 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:07:14,661 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:07:14,661 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:07:14,662 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:07:14,662 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:07:14,663 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:07:14,663 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:07:14,672 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:07:14,693 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4902c44-f572-4b7a-9747-dfd1438419a7/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2023-11-21 22:07:14,693 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:07:14,693 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4902c44-f572-4b7a-9747-dfd1438419a7/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:07:14,695 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4902c44-f572-4b7a-9747-dfd1438419a7/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:07:14,704 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4902c44-f572-4b7a-9747-dfd1438419a7/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2023-11-21 22:07:14,704 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-21 22:07:14,718 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:07:14,718 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:07:14,718 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:07:14,719 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:07:14,722 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:07:14,722 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:07:14,742 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:07:14,768 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4902c44-f572-4b7a-9747-dfd1438419a7/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2023-11-21 22:07:14,768 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:07:14,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4902c44-f572-4b7a-9747-dfd1438419a7/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:07:14,770 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4902c44-f572-4b7a-9747-dfd1438419a7/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:07:14,775 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4902c44-f572-4b7a-9747-dfd1438419a7/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2023-11-21 22:07:14,776 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-21 22:07:14,788 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:07:14,789 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:07:14,789 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:07:14,789 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:07:14,794 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:07:14,794 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:07:14,808 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:07:14,831 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4902c44-f572-4b7a-9747-dfd1438419a7/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2023-11-21 22:07:14,832 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:07:14,832 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4902c44-f572-4b7a-9747-dfd1438419a7/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:07:14,833 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4902c44-f572-4b7a-9747-dfd1438419a7/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:07:14,839 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4902c44-f572-4b7a-9747-dfd1438419a7/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2023-11-21 22:07:14,840 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-21 22:07:14,853 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:07:14,853 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:07:14,853 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:07:14,854 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:07:14,865 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:07:14,865 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:07:14,887 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-21 22:07:14,977 INFO L443 ModelExtractionUtils]: Simplification made 17 calls to the SMT solver. [2023-11-21 22:07:14,978 INFO L444 ModelExtractionUtils]: 4 out of 19 variables were initially zero. Simplification set additionally 11 variables to zero. [2023-11-21 22:07:14,980 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:07:14,980 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4902c44-f572-4b7a-9747-dfd1438419a7/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:07:15,000 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4902c44-f572-4b7a-9747-dfd1438419a7/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:07:15,008 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-21 22:07:15,021 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4902c44-f572-4b7a-9747-dfd1438419a7/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2023-11-21 22:07:15,032 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2023-11-21 22:07:15,033 INFO L513 LassoAnalysis]: Proved termination. [2023-11-21 22:07:15,033 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc8#1.base)_1, ULTIMATE.start_main_~i~0#1) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc8#1.base)_1 - 1*ULTIMATE.start_main_~i~0#1 Supporting invariants [1*ULTIMATE.start_main_~nondetString1~0#1.offset >= 0] [2023-11-21 22:07:15,060 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4902c44-f572-4b7a-9747-dfd1438419a7/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2023-11-21 22:07:15,082 INFO L156 tatePredicateManager]: 2 out of 4 supporting invariants were superfluous and have been removed [2023-11-21 22:07:15,099 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[#t~malloc8!base] could not be translated [2023-11-21 22:07:15,136 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:07:15,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:07:15,162 INFO L262 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 22:07:15,164 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:07:15,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:07:15,193 INFO L262 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 22:07:15,197 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:07:15,246 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:07:15,303 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 [2023-11-21 22:07:15,306 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 17 states, 16 states have (on average 1.4375) internal successors, (23), 16 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:07:15,404 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 17 states, 16 states have (on average 1.4375) internal successors, (23), 16 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 30 states and 42 transitions. Complement of second has 8 states. [2023-11-21 22:07:15,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2023-11-21 22:07:15,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:07:15,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 23 transitions. [2023-11-21 22:07:15,420 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 23 transitions. Stem has 5 letters. Loop has 2 letters. [2023-11-21 22:07:15,421 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:07:15,421 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 23 transitions. Stem has 7 letters. Loop has 2 letters. [2023-11-21 22:07:15,422 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:07:15,422 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 23 transitions. Stem has 5 letters. Loop has 4 letters. [2023-11-21 22:07:15,422 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:07:15,423 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 30 states and 42 transitions. [2023-11-21 22:07:15,426 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2023-11-21 22:07:15,430 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 30 states to 13 states and 18 transitions. [2023-11-21 22:07:15,431 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2023-11-21 22:07:15,431 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2023-11-21 22:07:15,432 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 18 transitions. [2023-11-21 22:07:15,432 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:07:15,432 INFO L218 hiAutomatonCegarLoop]: Abstraction has 13 states and 18 transitions. [2023-11-21 22:07:15,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 18 transitions. [2023-11-21 22:07:15,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2023-11-21 22:07:15,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 12 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:07:15,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 18 transitions. [2023-11-21 22:07:15,459 INFO L240 hiAutomatonCegarLoop]: Abstraction has 13 states and 18 transitions. [2023-11-21 22:07:15,459 INFO L428 stractBuchiCegarLoop]: Abstraction has 13 states and 18 transitions. [2023-11-21 22:07:15,459 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-21 22:07:15,459 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 18 transitions. [2023-11-21 22:07:15,460 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2023-11-21 22:07:15,460 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-21 22:07:15,460 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-21 22:07:15,461 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:07:15,461 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2023-11-21 22:07:15,461 INFO L748 eck$LassoCheckResult]: Stem: 124#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 125#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~nondet7#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~nondet10#1, main_#t~post9#1, main_~i~0#1, main_#t~ret11#1, main_~length1~0#1, main_~n~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset;havoc main_#t~nondet6#1;main_~length1~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;havoc main_#t~nondet7#1;main_~n~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 116#L524 assume !(main_~length1~0#1 < 1); 117#L524-2 assume !(main_~n~0#1 < 1); 118#L527-1 call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;main_~i~0#1 := 0; 119#L532-3 assume !(main_~i~0#1 < main_~length1~0#1 - 1); 122#L532-4 havoc main_~i~0#1;call write~int#0(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);assume { :begin_inline_cstrnlen } true;cstrnlen_#in~str#1.base, cstrnlen_#in~str#1.offset, cstrnlen_#in~maxlen#1 := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~n~0#1;havoc cstrnlen_#res#1;havoc cstrnlen_#t~post2#1.base, cstrnlen_#t~post2#1.offset, cstrnlen_#t~post3#1, cstrnlen_#t~mem4#1, cstrnlen_#t~short5#1, cstrnlen_~str#1.base, cstrnlen_~str#1.offset, cstrnlen_~maxlen#1, cstrnlen_~cp~0#1.base, cstrnlen_~cp~0#1.offset;cstrnlen_~str#1.base, cstrnlen_~str#1.offset := cstrnlen_#in~str#1.base, cstrnlen_#in~str#1.offset;cstrnlen_~maxlen#1 := cstrnlen_#in~maxlen#1;havoc cstrnlen_~cp~0#1.base, cstrnlen_~cp~0#1.offset;cstrnlen_~cp~0#1.base, cstrnlen_~cp~0#1.offset := cstrnlen_~str#1.base, cstrnlen_~str#1.offset; 123#L517-6 [2023-11-21 22:07:15,462 INFO L750 eck$LassoCheckResult]: Loop: 123#L517-6 cstrnlen_#t~short5#1 := 0 != cstrnlen_~maxlen#1 % 4294967296; 126#L517-1 assume cstrnlen_#t~short5#1;call cstrnlen_#t~mem4#1 := read~int#0(cstrnlen_~cp~0#1.base, cstrnlen_~cp~0#1.offset, 1);cstrnlen_#t~short5#1 := 0 != cstrnlen_#t~mem4#1; 127#L517-3 assume !!cstrnlen_#t~short5#1;havoc cstrnlen_#t~mem4#1;havoc cstrnlen_#t~short5#1; 128#L517-5 cstrnlen_#t~post2#1.base, cstrnlen_#t~post2#1.offset := cstrnlen_~cp~0#1.base, cstrnlen_~cp~0#1.offset;cstrnlen_~cp~0#1.base, cstrnlen_~cp~0#1.offset := cstrnlen_#t~post2#1.base, 1 + cstrnlen_#t~post2#1.offset;havoc cstrnlen_#t~post2#1.base, cstrnlen_#t~post2#1.offset;cstrnlen_#t~post3#1 := cstrnlen_~maxlen#1;cstrnlen_~maxlen#1 := cstrnlen_#t~post3#1 - 1;havoc cstrnlen_#t~post3#1; 123#L517-6 [2023-11-21 22:07:15,462 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:07:15,462 INFO L85 PathProgramCache]: Analyzing trace with hash 1806935662, now seen corresponding path program 1 times [2023-11-21 22:07:15,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:07:15,463 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [364890087] [2023-11-21 22:07:15,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:07:15,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:07:15,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:07:15,483 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:07:15,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:07:15,503 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:07:15,504 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:07:15,504 INFO L85 PathProgramCache]: Analyzing trace with hash 1942630, now seen corresponding path program 1 times [2023-11-21 22:07:15,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:07:15,504 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [267651918] [2023-11-21 22:07:15,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:07:15,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:07:15,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:07:15,515 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:07:15,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:07:15,541 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:07:15,542 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:07:15,542 INFO L85 PathProgramCache]: Analyzing trace with hash -2087826349, now seen corresponding path program 1 times [2023-11-21 22:07:15,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:07:15,542 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1732214478] [2023-11-21 22:07:15,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:07:15,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:07:15,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:07:16,068 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4902c44-f572-4b7a-9747-dfd1438419a7/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2023-11-21 22:07:16,116 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:07:16,116 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:07:16,117 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1732214478] [2023-11-21 22:07:16,118 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1732214478] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:07:16,119 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:07:16,119 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-21 22:07:16,119 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1433917356] [2023-11-21 22:07:16,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:07:16,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:07:16,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-21 22:07:16,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-11-21 22:07:16,292 INFO L87 Difference]: Start difference. First operand 13 states and 18 transitions. cyclomatic complexity: 7 Second operand has 7 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 7 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:07:16,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:07:16,423 INFO L93 Difference]: Finished difference Result 19 states and 23 transitions. [2023-11-21 22:07:16,423 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 19 states and 23 transitions. [2023-11-21 22:07:16,428 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2023-11-21 22:07:16,429 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 19 states to 14 states and 17 transitions. [2023-11-21 22:07:16,429 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2023-11-21 22:07:16,430 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2023-11-21 22:07:16,430 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 17 transitions. [2023-11-21 22:07:16,430 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:07:16,430 INFO L218 hiAutomatonCegarLoop]: Abstraction has 14 states and 17 transitions. [2023-11-21 22:07:16,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states and 17 transitions. [2023-11-21 22:07:16,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 13. [2023-11-21 22:07:16,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:07:16,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 16 transitions. [2023-11-21 22:07:16,437 INFO L240 hiAutomatonCegarLoop]: Abstraction has 13 states and 16 transitions. [2023-11-21 22:07:16,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-21 22:07:16,439 INFO L428 stractBuchiCegarLoop]: Abstraction has 13 states and 16 transitions. [2023-11-21 22:07:16,440 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-11-21 22:07:16,440 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 16 transitions. [2023-11-21 22:07:16,441 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2023-11-21 22:07:16,441 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-21 22:07:16,441 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-21 22:07:16,444 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:07:16,444 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2023-11-21 22:07:16,445 INFO L748 eck$LassoCheckResult]: Stem: 176#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 177#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~nondet7#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~nondet10#1, main_#t~post9#1, main_~i~0#1, main_#t~ret11#1, main_~length1~0#1, main_~n~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset;havoc main_#t~nondet6#1;main_~length1~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;havoc main_#t~nondet7#1;main_~n~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 168#L524 assume !(main_~length1~0#1 < 1); 169#L524-2 assume !(main_~n~0#1 < 1); 170#L527-1 call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;main_~i~0#1 := 0; 171#L532-3 assume !!(main_~i~0#1 < main_~length1~0#1 - 1);havoc main_#t~nondet10#1;call write~int#0(main_#t~nondet10#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet10#1; 172#L532-2 main_#t~post9#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 173#L532-3 assume !(main_~i~0#1 < main_~length1~0#1 - 1); 174#L532-4 havoc main_~i~0#1;call write~int#0(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);assume { :begin_inline_cstrnlen } true;cstrnlen_#in~str#1.base, cstrnlen_#in~str#1.offset, cstrnlen_#in~maxlen#1 := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~n~0#1;havoc cstrnlen_#res#1;havoc cstrnlen_#t~post2#1.base, cstrnlen_#t~post2#1.offset, cstrnlen_#t~post3#1, cstrnlen_#t~mem4#1, cstrnlen_#t~short5#1, cstrnlen_~str#1.base, cstrnlen_~str#1.offset, cstrnlen_~maxlen#1, cstrnlen_~cp~0#1.base, cstrnlen_~cp~0#1.offset;cstrnlen_~str#1.base, cstrnlen_~str#1.offset := cstrnlen_#in~str#1.base, cstrnlen_#in~str#1.offset;cstrnlen_~maxlen#1 := cstrnlen_#in~maxlen#1;havoc cstrnlen_~cp~0#1.base, cstrnlen_~cp~0#1.offset;cstrnlen_~cp~0#1.base, cstrnlen_~cp~0#1.offset := cstrnlen_~str#1.base, cstrnlen_~str#1.offset; 175#L517-6 [2023-11-21 22:07:16,445 INFO L750 eck$LassoCheckResult]: Loop: 175#L517-6 cstrnlen_#t~short5#1 := 0 != cstrnlen_~maxlen#1 % 4294967296; 178#L517-1 assume cstrnlen_#t~short5#1;call cstrnlen_#t~mem4#1 := read~int#0(cstrnlen_~cp~0#1.base, cstrnlen_~cp~0#1.offset, 1);cstrnlen_#t~short5#1 := 0 != cstrnlen_#t~mem4#1; 179#L517-3 assume !!cstrnlen_#t~short5#1;havoc cstrnlen_#t~mem4#1;havoc cstrnlen_#t~short5#1; 180#L517-5 cstrnlen_#t~post2#1.base, cstrnlen_#t~post2#1.offset := cstrnlen_~cp~0#1.base, cstrnlen_~cp~0#1.offset;cstrnlen_~cp~0#1.base, cstrnlen_~cp~0#1.offset := cstrnlen_#t~post2#1.base, 1 + cstrnlen_#t~post2#1.offset;havoc cstrnlen_#t~post2#1.base, cstrnlen_#t~post2#1.offset;cstrnlen_#t~post3#1 := cstrnlen_~maxlen#1;cstrnlen_~maxlen#1 := cstrnlen_#t~post3#1 - 1;havoc cstrnlen_#t~post3#1; 175#L517-6 [2023-11-21 22:07:16,446 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:07:16,446 INFO L85 PathProgramCache]: Analyzing trace with hash 1298440016, now seen corresponding path program 1 times [2023-11-21 22:07:16,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:07:16,447 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [641729774] [2023-11-21 22:07:16,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:07:16,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:07:16,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:07:16,483 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:07:16,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:07:16,507 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:07:16,508 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:07:16,508 INFO L85 PathProgramCache]: Analyzing trace with hash 1942630, now seen corresponding path program 2 times [2023-11-21 22:07:16,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:07:16,509 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1356199955] [2023-11-21 22:07:16,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:07:16,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:07:16,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:07:16,521 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:07:16,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:07:16,531 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:07:16,532 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:07:16,532 INFO L85 PathProgramCache]: Analyzing trace with hash -1066138571, now seen corresponding path program 1 times [2023-11-21 22:07:16,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:07:16,532 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1826106351] [2023-11-21 22:07:16,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:07:16,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:07:16,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:07:16,570 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:07:16,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:07:16,607 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:07:17,135 INFO L210 LassoAnalysis]: Preferences: [2023-11-21 22:07:17,135 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-21 22:07:17,135 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-21 22:07:17,135 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-21 22:07:17,136 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-21 22:07:17,136 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:07:17,136 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-21 22:07:17,136 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-21 22:07:17,136 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrnlen-alloca-1.i_Iteration3_Lasso [2023-11-21 22:07:17,136 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-21 22:07:17,136 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-21 22:07:17,141 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:07:17,145 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:07:17,149 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:07:17,153 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:07:17,158 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:07:17,161 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:07:17,165 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:07:17,168 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:07:17,171 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:07:17,403 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:07:17,407 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:07:17,410 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:07:17,413 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:07:17,417 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:07:17,421 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:07:17,426 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:07:17,430 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:07:17,433 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:07:17,437 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:07:17,441 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:07:17,445 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:07:17,448 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:07:17,451 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:07:17,920 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-21 22:07:17,921 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-21 22:07:17,921 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:07:17,921 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4902c44-f572-4b7a-9747-dfd1438419a7/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:07:17,922 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4902c44-f572-4b7a-9747-dfd1438419a7/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:07:17,931 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4902c44-f572-4b7a-9747-dfd1438419a7/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2023-11-21 22:07:17,932 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-21 22:07:17,945 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:07:17,945 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:07:17,946 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:07:17,946 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:07:17,946 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:07:17,947 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:07:17,947 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:07:17,956 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:07:17,982 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4902c44-f572-4b7a-9747-dfd1438419a7/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2023-11-21 22:07:17,983 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:07:17,983 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4902c44-f572-4b7a-9747-dfd1438419a7/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:07:17,984 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4902c44-f572-4b7a-9747-dfd1438419a7/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:07:17,997 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-21 22:07:18,010 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4902c44-f572-4b7a-9747-dfd1438419a7/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2023-11-21 22:07:18,011 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:07:18,011 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:07:18,011 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:07:18,011 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:07:18,011 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:07:18,012 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:07:18,012 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:07:18,039 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:07:18,063 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4902c44-f572-4b7a-9747-dfd1438419a7/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2023-11-21 22:07:18,063 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:07:18,064 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4902c44-f572-4b7a-9747-dfd1438419a7/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:07:18,065 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4902c44-f572-4b7a-9747-dfd1438419a7/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:07:18,068 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-21 22:07:18,081 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4902c44-f572-4b7a-9747-dfd1438419a7/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2023-11-21 22:07:18,081 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:07:18,082 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:07:18,082 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:07:18,082 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:07:18,084 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:07:18,084 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:07:18,095 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:07:18,119 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4902c44-f572-4b7a-9747-dfd1438419a7/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2023-11-21 22:07:18,120 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:07:18,120 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4902c44-f572-4b7a-9747-dfd1438419a7/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:07:18,121 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4902c44-f572-4b7a-9747-dfd1438419a7/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:07:18,124 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-21 22:07:18,124 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4902c44-f572-4b7a-9747-dfd1438419a7/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2023-11-21 22:07:18,138 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:07:18,138 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:07:18,138 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:07:18,138 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:07:18,138 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:07:18,139 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:07:18,139 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:07:18,148 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:07:18,169 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4902c44-f572-4b7a-9747-dfd1438419a7/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2023-11-21 22:07:18,170 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:07:18,170 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4902c44-f572-4b7a-9747-dfd1438419a7/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:07:18,171 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4902c44-f572-4b7a-9747-dfd1438419a7/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:07:18,176 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4902c44-f572-4b7a-9747-dfd1438419a7/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2023-11-21 22:07:18,177 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-21 22:07:18,190 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:07:18,190 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:07:18,190 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:07:18,190 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:07:18,191 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:07:18,191 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:07:18,191 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:07:18,211 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:07:18,234 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4902c44-f572-4b7a-9747-dfd1438419a7/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2023-11-21 22:07:18,234 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:07:18,234 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4902c44-f572-4b7a-9747-dfd1438419a7/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:07:18,236 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4902c44-f572-4b7a-9747-dfd1438419a7/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:07:18,247 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-21 22:07:18,259 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:07:18,259 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:07:18,260 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:07:18,260 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:07:18,262 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:07:18,262 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:07:18,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4902c44-f572-4b7a-9747-dfd1438419a7/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2023-11-21 22:07:18,273 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:07:18,290 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4902c44-f572-4b7a-9747-dfd1438419a7/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2023-11-21 22:07:18,290 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:07:18,291 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4902c44-f572-4b7a-9747-dfd1438419a7/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:07:18,291 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4902c44-f572-4b7a-9747-dfd1438419a7/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:07:18,295 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4902c44-f572-4b7a-9747-dfd1438419a7/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2023-11-21 22:07:18,296 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-21 22:07:18,306 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:07:18,306 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:07:18,306 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:07:18,306 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:07:18,306 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:07:18,307 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:07:18,307 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:07:18,315 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:07:18,332 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4902c44-f572-4b7a-9747-dfd1438419a7/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2023-11-21 22:07:18,332 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:07:18,332 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4902c44-f572-4b7a-9747-dfd1438419a7/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:07:18,333 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4902c44-f572-4b7a-9747-dfd1438419a7/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:07:18,334 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4902c44-f572-4b7a-9747-dfd1438419a7/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2023-11-21 22:07:18,334 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-21 22:07:18,344 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:07:18,344 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:07:18,344 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:07:18,345 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:07:18,345 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:07:18,345 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:07:18,345 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:07:18,351 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:07:18,361 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4902c44-f572-4b7a-9747-dfd1438419a7/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2023-11-21 22:07:18,362 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:07:18,362 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4902c44-f572-4b7a-9747-dfd1438419a7/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:07:18,363 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4902c44-f572-4b7a-9747-dfd1438419a7/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:07:18,364 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4902c44-f572-4b7a-9747-dfd1438419a7/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2023-11-21 22:07:18,364 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-21 22:07:18,374 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:07:18,374 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:07:18,374 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:07:18,374 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:07:18,376 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:07:18,376 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:07:18,387 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:07:18,411 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4902c44-f572-4b7a-9747-dfd1438419a7/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2023-11-21 22:07:18,411 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:07:18,411 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4902c44-f572-4b7a-9747-dfd1438419a7/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:07:18,412 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4902c44-f572-4b7a-9747-dfd1438419a7/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:07:18,414 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4902c44-f572-4b7a-9747-dfd1438419a7/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2023-11-21 22:07:18,419 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-21 22:07:18,430 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:07:18,430 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:07:18,430 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:07:18,430 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:07:18,435 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:07:18,435 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:07:18,459 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-21 22:07:18,485 INFO L443 ModelExtractionUtils]: Simplification made 11 calls to the SMT solver. [2023-11-21 22:07:18,485 INFO L444 ModelExtractionUtils]: 1 out of 13 variables were initially zero. Simplification set additionally 9 variables to zero. [2023-11-21 22:07:18,485 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:07:18,485 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4902c44-f572-4b7a-9747-dfd1438419a7/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:07:18,486 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4902c44-f572-4b7a-9747-dfd1438419a7/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:07:18,491 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-21 22:07:18,503 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4902c44-f572-4b7a-9747-dfd1438419a7/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2023-11-21 22:07:18,519 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-21 22:07:18,519 INFO L513 LassoAnalysis]: Proved termination. [2023-11-21 22:07:18,519 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrnlen_~cp~0#1.offset, v_rep(select #length ULTIMATE.start_main_#t~malloc8#1.base)_2) = -1*ULTIMATE.start_cstrnlen_~cp~0#1.offset + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc8#1.base)_2 Supporting invariants [] [2023-11-21 22:07:18,547 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4902c44-f572-4b7a-9747-dfd1438419a7/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2023-11-21 22:07:18,564 INFO L156 tatePredicateManager]: 4 out of 5 supporting invariants were superfluous and have been removed [2023-11-21 22:07:18,567 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[#t~malloc8!base] could not be translated [2023-11-21 22:07:18,593 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:07:18,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:07:18,618 INFO L262 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-21 22:07:18,620 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:07:18,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:07:18,674 INFO L262 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-21 22:07:18,675 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:07:18,718 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:07:18,719 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 [2023-11-21 22:07:18,719 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states and 16 transitions. cyclomatic complexity: 5 Second operand has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 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) [2023-11-21 22:07:18,769 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states and 16 transitions. cyclomatic complexity: 5. Second operand has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 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 17 states and 21 transitions. Complement of second has 7 states. [2023-11-21 22:07:18,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2023-11-21 22:07:18,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 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) [2023-11-21 22:07:18,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 15 transitions. [2023-11-21 22:07:18,772 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 15 transitions. Stem has 9 letters. Loop has 4 letters. [2023-11-21 22:07:18,773 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:07:18,773 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 15 transitions. Stem has 13 letters. Loop has 4 letters. [2023-11-21 22:07:18,773 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:07:18,773 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 15 transitions. Stem has 9 letters. Loop has 8 letters. [2023-11-21 22:07:18,774 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:07:18,774 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 17 states and 21 transitions. [2023-11-21 22:07:18,776 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-21 22:07:18,777 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 17 states to 0 states and 0 transitions. [2023-11-21 22:07:18,777 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-11-21 22:07:18,777 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-11-21 22:07:18,777 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-11-21 22:07:18,777 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:07:18,777 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-21 22:07:18,778 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-21 22:07:18,778 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-21 22:07:18,778 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2023-11-21 22:07:18,778 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-11-21 22:07:18,778 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-21 22:07:18,778 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-11-21 22:07:18,786 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.11 10:07:18 BoogieIcfgContainer [2023-11-21 22:07:18,786 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-21 22:07:18,787 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 22:07:18,788 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 22:07:18,788 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 22:07:18,788 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:07:12" (3/4) ... [2023-11-21 22:07:18,790 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-21 22:07:18,791 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 22:07:18,792 INFO L158 Benchmark]: Toolchain (without parser) took 7213.31ms. Allocated memory was 146.8MB in the beginning and 186.6MB in the end (delta: 39.8MB). Free memory was 99.6MB in the beginning and 97.6MB in the end (delta: 2.0MB). Peak memory consumption was 43.9MB. Max. memory is 16.1GB. [2023-11-21 22:07:18,795 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 104.9MB. Free memory is still 53.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:07:18,800 INFO L158 Benchmark]: CACSL2BoogieTranslator took 501.67ms. Allocated memory is still 146.8MB. Free memory was 99.6MB in the beginning and 83.2MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-21 22:07:18,800 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.54ms. Allocated memory is still 146.8MB. Free memory was 83.2MB in the beginning and 81.4MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 22:07:18,801 INFO L158 Benchmark]: Boogie Preprocessor took 62.71ms. Allocated memory is still 146.8MB. Free memory was 81.4MB in the beginning and 79.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 22:07:18,801 INFO L158 Benchmark]: RCFGBuilder took 396.97ms. Allocated memory is still 146.8MB. Free memory was 79.3MB in the beginning and 108.8MB in the end (delta: -29.4MB). Peak memory consumption was 7.0MB. Max. memory is 16.1GB. [2023-11-21 22:07:18,802 INFO L158 Benchmark]: BuchiAutomizer took 6169.14ms. Allocated memory was 146.8MB in the beginning and 186.6MB in the end (delta: 39.8MB). Free memory was 108.4MB in the beginning and 97.6MB in the end (delta: 10.7MB). Peak memory consumption was 51.6MB. Max. memory is 16.1GB. [2023-11-21 22:07:18,802 INFO L158 Benchmark]: Witness Printer took 3.83ms. Allocated memory is still 186.6MB. Free memory is still 97.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:07:18,804 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 104.9MB. Free memory is still 53.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 501.67ms. Allocated memory is still 146.8MB. Free memory was 99.6MB in the beginning and 83.2MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.54ms. Allocated memory is still 146.8MB. Free memory was 83.2MB in the beginning and 81.4MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 62.71ms. Allocated memory is still 146.8MB. Free memory was 81.4MB in the beginning and 79.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 396.97ms. Allocated memory is still 146.8MB. Free memory was 79.3MB in the beginning and 108.8MB in the end (delta: -29.4MB). Peak memory consumption was 7.0MB. Max. memory is 16.1GB. * BuchiAutomizer took 6169.14ms. Allocated memory was 146.8MB in the beginning and 186.6MB in the end (delta: 39.8MB). Free memory was 108.4MB in the beginning and 97.6MB in the end (delta: 10.7MB). Peak memory consumption was 51.6MB. Max. memory is 16.1GB. * Witness Printer took 3.83ms. Allocated memory is still 186.6MB. Free memory is still 97.6MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[#t~malloc8!base] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[#t~malloc8!base] could not be translated * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (1 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function null and consists of 5 locations. One deterministic module has affine ranking function null and consists of 5 locations. 1 modules have a trivial ranking function, the largest among these consists of 7 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 6.1s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 5.3s. Construction of modules took 0.0s. Büchi inclusion checks took 0.6s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 45 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 45 mSDsluCounter, 66 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 38 mSDsCounter, 11 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 52 IncrementalHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 11 mSolverCounterUnsat, 28 mSDtfsCounter, 52 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital115 mio100 ax115 hnf100 lsp71 ukn88 mio100 lsp46 div184 bol100 ite100 ukn100 eq155 hnf94 smp65 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 66ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2023-11-21 22:07:18,839 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4902c44-f572-4b7a-9747-dfd1438419a7/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2023-11-21 22:07:19,048 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4902c44-f572-4b7a-9747-dfd1438419a7/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE