./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/array-memsafety/cstrpbrk-alloca-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version e7bb482b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/array-memsafety/cstrpbrk-alloca-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --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 4f4570e8b350d1c6ecce62e4659f1c324ac9794563382f5f25c3525057748138 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 21:55:39,408 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 21:55:39,549 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Termination-32bit-Automizer_Default.epf [2023-11-06 21:55:39,560 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 21:55:39,561 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 21:55:39,614 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 21:55:39,615 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 21:55:39,615 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 21:55:39,617 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 21:55:39,624 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 21:55:39,625 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 21:55:39,626 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-06 21:55:39,626 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-06 21:55:39,628 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-06 21:55:39,628 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-06 21:55:39,629 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-06 21:55:39,629 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-06 21:55:39,630 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 21:55:39,630 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-06 21:55:39,631 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 21:55:39,631 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 21:55:39,631 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 21:55:39,632 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 21:55:39,632 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-06 21:55:39,633 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-06 21:55:39,633 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-06 21:55:39,633 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 21:55:39,634 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 21:55:39,634 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 21:55:39,634 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-06 21:55:39,636 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 21:55:39,636 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 21:55:39,636 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 21:55:39,637 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 21:55:39,637 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 21:55:39,637 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-06 21:55:39,638 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_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4f4570e8b350d1c6ecce62e4659f1c324ac9794563382f5f25c3525057748138 [2023-11-06 21:55:39,938 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 21:55:39,968 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 21:55:39,970 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 21:55:39,971 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 21:55:39,972 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 21:55:39,973 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/array-memsafety/cstrpbrk-alloca-2.i [2023-11-06 21:55:43,203 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 21:55:43,505 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 21:55:43,506 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/sv-benchmarks/c/array-memsafety/cstrpbrk-alloca-2.i [2023-11-06 21:55:43,527 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/data/90f00b1d8/fa8df9b4fb23457aa1d545669de7dfd5/FLAG5d3c501b1 [2023-11-06 21:55:43,550 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/data/90f00b1d8/fa8df9b4fb23457aa1d545669de7dfd5 [2023-11-06 21:55:43,556 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 21:55:43,558 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 21:55:43,559 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 21:55:43,560 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 21:55:43,566 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 21:55:43,569 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:55:43" (1/1) ... [2023-11-06 21:55:43,570 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65ecec77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:55:43, skipping insertion in model container [2023-11-06 21:55:43,571 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:55:43" (1/1) ... [2023-11-06 21:55:43,636 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 21:55:43,953 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 21:55:43,971 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 21:55:44,050 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 21:55:44,088 INFO L206 MainTranslator]: Completed translation [2023-11-06 21:55:44,088 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:55:44 WrapperNode [2023-11-06 21:55:44,088 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 21:55:44,090 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 21:55:44,090 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 21:55:44,090 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 21:55:44,098 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:55:44" (1/1) ... [2023-11-06 21:55:44,118 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:55:44" (1/1) ... [2023-11-06 21:55:44,141 INFO L138 Inliner]: procedures = 117, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 102 [2023-11-06 21:55:44,142 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 21:55:44,143 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 21:55:44,143 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 21:55:44,143 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 21:55:44,152 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:55:44" (1/1) ... [2023-11-06 21:55:44,153 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:55:44" (1/1) ... [2023-11-06 21:55:44,176 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:55:44" (1/1) ... [2023-11-06 21:55:44,176 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:55:44" (1/1) ... [2023-11-06 21:55:44,182 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:55:44" (1/1) ... [2023-11-06 21:55:44,186 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:55:44" (1/1) ... [2023-11-06 21:55:44,198 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:55:44" (1/1) ... [2023-11-06 21:55:44,199 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:55:44" (1/1) ... [2023-11-06 21:55:44,202 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 21:55:44,203 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 21:55:44,203 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 21:55:44,204 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 21:55:44,205 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:55:44" (1/1) ... [2023-11-06 21:55:44,223 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 21:55:44,235 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:55:44,253 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 21:55:44,273 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-06 21:55:44,296 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-06 21:55:44,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-06 21:55:44,296 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 21:55:44,297 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 21:55:44,298 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 21:55:44,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 21:55:44,470 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 21:55:44,473 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 21:55:44,742 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 21:55:44,748 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 21:55:44,749 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-06 21:55:44,751 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:55:44 BoogieIcfgContainer [2023-11-06 21:55:44,751 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 21:55:44,752 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-06 21:55:44,752 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-06 21:55:44,757 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-06 21:55:44,757 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-06 21:55:44,758 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 06.11 09:55:43" (1/3) ... [2023-11-06 21:55:44,759 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6cb3ed7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.11 09:55:44, skipping insertion in model container [2023-11-06 21:55:44,759 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-06 21:55:44,759 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:55:44" (2/3) ... [2023-11-06 21:55:44,759 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6cb3ed7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.11 09:55:44, skipping insertion in model container [2023-11-06 21:55:44,760 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-06 21:55:44,760 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:55:44" (3/3) ... [2023-11-06 21:55:44,761 INFO L332 chiAutomizerObserver]: Analyzing ICFG cstrpbrk-alloca-2.i [2023-11-06 21:55:44,838 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-06 21:55:44,838 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-06 21:55:44,838 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-06 21:55:44,838 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-06 21:55:44,839 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-06 21:55:44,839 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-06 21:55:44,839 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-06 21:55:44,840 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-06 21:55:44,845 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 24 states, 23 states have (on average 1.5217391304347827) internal successors, (35), 23 states have internal predecessors, (35), 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) [2023-11-06 21:55:44,868 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 12 [2023-11-06 21:55:44,869 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 21:55:44,870 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 21:55:44,876 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2023-11-06 21:55:44,876 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-06 21:55:44,878 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-06 21:55:44,879 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 24 states, 23 states have (on average 1.5217391304347827) internal successors, (35), 23 states have internal predecessors, (35), 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) [2023-11-06 21:55:44,884 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 12 [2023-11-06 21:55:44,884 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 21:55:44,885 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 21:55:44,885 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2023-11-06 21:55:44,885 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-06 21:55:44,894 INFO L748 eck$LassoCheckResult]: Stem: 18#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 8#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet10#1, main_#t~nondet11#1, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~nondet15#1, main_#t~post14#1, main_~i~0#1, main_#t~nondet17#1, main_#t~post16#1, main_~i~1#1, main_#t~ret18#1.base, main_#t~ret18#1.offset, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc main_#t~nondet10#1;main_~length1~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;havoc main_#t~nondet11#1;main_~length2~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1; 9#L532true assume !(main_~length1~0#1 < 1); 4#L532-2true assume !(main_~length2~0#1 < 1); 2#L535-1true call main_#t~malloc12#1.base, main_#t~malloc12#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc12#1.base, main_#t~malloc12#1.offset;call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;main_~i~0#1 := 0; 19#L541-3true [2023-11-06 21:55:44,894 INFO L750 eck$LassoCheckResult]: Loop: 19#L541-3true assume !!(main_~i~0#1 < main_~length1~0#1 - 1);havoc main_#t~nondet15#1;call write~int(main_#t~nondet15#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet15#1; 24#L541-2true main_#t~post14#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post14#1;havoc main_#t~post14#1; 19#L541-3true [2023-11-06 21:55:44,901 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:55:44,901 INFO L85 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 1 times [2023-11-06 21:55:44,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:55:44,913 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1669746918] [2023-11-06 21:55:44,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:55:44,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:55:45,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 21:55:45,089 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 21:55:45,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 21:55:45,146 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 21:55:45,148 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:55:45,149 INFO L85 PathProgramCache]: Analyzing trace with hash 1699, now seen corresponding path program 1 times [2023-11-06 21:55:45,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:55:45,149 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1168681906] [2023-11-06 21:55:45,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:55:45,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:55:45,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 21:55:45,166 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 21:55:45,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 21:55:45,178 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 21:55:45,179 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:55:45,179 INFO L85 PathProgramCache]: Analyzing trace with hash 1806935720, now seen corresponding path program 1 times [2023-11-06 21:55:45,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:55:45,180 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1573885745] [2023-11-06 21:55:45,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:55:45,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:55:45,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 21:55:45,234 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 21:55:45,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 21:55:45,259 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 21:55:45,800 INFO L210 LassoAnalysis]: Preferences: [2023-11-06 21:55:45,801 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-06 21:55:45,801 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-06 21:55:45,801 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-06 21:55:45,801 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-06 21:55:45,802 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 21:55:45,802 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-06 21:55:45,802 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-06 21:55:45,802 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrpbrk-alloca-2.i_Iteration1_Lasso [2023-11-06 21:55:45,802 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-06 21:55:45,803 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-06 21:55:45,826 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:55:45,838 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:55:45,841 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:55:45,844 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:55:46,124 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:55:46,129 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:55:46,133 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:55:46,137 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:55:46,140 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:55:46,144 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:55:46,147 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:55:46,151 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:55:46,155 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:55:46,159 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:55:46,162 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:55:46,168 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:55:46,172 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:55:46,626 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-06 21:55:46,632 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-06 21:55:46,634 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 21:55:46,634 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:55:46,638 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 21:55:46,659 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-11-06 21:55:46,660 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 [2023-11-06 21:55:46,674 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 21:55:46,674 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 21:55:46,674 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 21:55:46,675 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 21:55:46,675 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 21:55:46,677 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 21:55:46,677 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 21:55:46,691 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 21:55:46,702 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2023-11-06 21:55:46,702 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 21:55:46,703 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:55:46,704 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 21:55:46,715 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 [2023-11-06 21:55:46,728 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 21:55:46,728 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 21:55:46,728 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 21:55:46,728 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 21:55:46,729 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 21:55:46,729 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 21:55:46,730 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 21:55:46,731 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-11-06 21:55:46,747 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 21:55:46,751 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2023-11-06 21:55:46,751 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 21:55:46,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:55:46,753 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 21:55:46,760 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 [2023-11-06 21:55:46,760 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-11-06 21:55:46,773 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 21:55:46,773 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 21:55:46,774 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 21:55:46,774 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 21:55:46,774 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 21:55:46,775 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 21:55:46,775 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 21:55:46,784 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 21:55:46,793 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2023-11-06 21:55:46,794 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 21:55:46,794 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:55:46,796 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 21:55:46,809 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 [2023-11-06 21:55:46,819 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-11-06 21:55:46,821 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 21:55:46,821 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 21:55:46,821 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 21:55:46,821 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 21:55:46,825 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 21:55:46,825 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 21:55:46,837 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 21:55:46,843 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2023-11-06 21:55:46,843 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 21:55:46,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:55:46,846 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 21:55:46,856 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 [2023-11-06 21:55:46,868 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 21:55:46,868 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 21:55:46,869 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 21:55:46,869 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 21:55:46,869 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 21:55:46,870 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 21:55:46,870 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 21:55:46,871 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2023-11-06 21:55:46,875 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 21:55:46,880 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2023-11-06 21:55:46,880 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 21:55:46,880 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:55:46,882 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 21:55:46,896 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 [2023-11-06 21:55:46,909 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 21:55:46,909 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 21:55:46,909 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 21:55:46,909 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 21:55:46,912 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2023-11-06 21:55:46,925 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 21:55:46,925 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 21:55:46,971 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-06 21:55:47,071 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2023-11-06 21:55:47,072 INFO L444 ModelExtractionUtils]: 2 out of 19 variables were initially zero. Simplification set additionally 13 variables to zero. [2023-11-06 21:55:47,074 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 21:55:47,074 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:55:47,110 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 21:55:47,112 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2023-11-06 21:55:47,113 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-06 21:55:47,125 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-06 21:55:47,125 INFO L513 LassoAnalysis]: Proved termination. [2023-11-06 21:55:47,125 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc12#1.base)_1, ULTIMATE.start_main_~i~0#1, ULTIMATE.start_main_~nondetString1~0#1.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc12#1.base)_1 - 1*ULTIMATE.start_main_~i~0#1 - 1*ULTIMATE.start_main_~nondetString1~0#1.offset Supporting invariants [] [2023-11-06 21:55:47,129 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2023-11-06 21:55:47,159 INFO L156 tatePredicateManager]: 5 out of 6 supporting invariants were superfluous and have been removed [2023-11-06 21:55:47,176 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[#t~malloc12!base] could not be translated [2023-11-06 21:55:47,208 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:55:47,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:47,238 INFO L262 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-06 21:55:47,240 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 21:55:47,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:47,284 INFO L262 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-06 21:55:47,284 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 21:55:47,336 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 21:55:47,376 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 [2023-11-06 21:55:47,378 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 24 states, 23 states have (on average 1.5217391304347827) internal successors, (35), 23 states have internal predecessors, (35), 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) [2023-11-06 21:55:47,464 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 24 states, 23 states have (on average 1.5217391304347827) internal successors, (35), 23 states have internal predecessors, (35), 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 44 states and 66 transitions. Complement of second has 8 states. [2023-11-06 21:55:47,466 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 [2023-11-06 21:55:47,471 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) [2023-11-06 21:55:47,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 35 transitions. [2023-11-06 21:55:47,474 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 35 transitions. Stem has 5 letters. Loop has 2 letters. [2023-11-06 21:55:47,475 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 21:55:47,475 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 35 transitions. Stem has 7 letters. Loop has 2 letters. [2023-11-06 21:55:47,475 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 21:55:47,476 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 35 transitions. Stem has 5 letters. Loop has 4 letters. [2023-11-06 21:55:47,476 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 21:55:47,477 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 44 states and 66 transitions. [2023-11-06 21:55:47,482 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 10 [2023-11-06 21:55:47,488 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 44 states to 20 states and 29 transitions. [2023-11-06 21:55:47,489 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2023-11-06 21:55:47,490 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2023-11-06 21:55:47,490 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 29 transitions. [2023-11-06 21:55:47,491 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 21:55:47,491 INFO L218 hiAutomatonCegarLoop]: Abstraction has 20 states and 29 transitions. [2023-11-06 21:55:47,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 29 transitions. [2023-11-06 21:55:47,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2023-11-06 21:55:47,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 20 states have (on average 1.45) internal successors, (29), 19 states have internal predecessors, (29), 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) [2023-11-06 21:55:47,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 29 transitions. [2023-11-06 21:55:47,532 INFO L240 hiAutomatonCegarLoop]: Abstraction has 20 states and 29 transitions. [2023-11-06 21:55:47,532 INFO L428 stractBuchiCegarLoop]: Abstraction has 20 states and 29 transitions. [2023-11-06 21:55:47,532 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-06 21:55:47,532 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 29 transitions. [2023-11-06 21:55:47,534 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 10 [2023-11-06 21:55:47,534 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 21:55:47,534 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 21:55:47,535 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-06 21:55:47,535 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-06 21:55:47,535 INFO L748 eck$LassoCheckResult]: Stem: 160#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 153#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet10#1, main_#t~nondet11#1, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~nondet15#1, main_#t~post14#1, main_~i~0#1, main_#t~nondet17#1, main_#t~post16#1, main_~i~1#1, main_#t~ret18#1.base, main_#t~ret18#1.offset, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc main_#t~nondet10#1;main_~length1~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;havoc main_#t~nondet11#1;main_~length2~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1; 154#L532 assume !(main_~length1~0#1 < 1); 147#L532-2 assume !(main_~length2~0#1 < 1); 145#L535-1 call main_#t~malloc12#1.base, main_#t~malloc12#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc12#1.base, main_#t~malloc12#1.offset;call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;main_~i~0#1 := 0; 146#L541-3 assume !(main_~i~0#1 < main_~length1~0#1 - 1); 155#L541-4 havoc main_~i~0#1;main_~i~1#1 := 0; 150#L546-3 [2023-11-06 21:55:47,536 INFO L750 eck$LassoCheckResult]: Loop: 150#L546-3 assume !!(main_~i~1#1 < main_~length2~0#1 - 1);havoc main_#t~nondet17#1;call write~int(main_#t~nondet17#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet17#1; 152#L546-2 main_#t~post16#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post16#1;havoc main_#t~post16#1; 150#L546-3 [2023-11-06 21:55:47,536 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:55:47,536 INFO L85 PathProgramCache]: Analyzing trace with hash 1806935662, now seen corresponding path program 1 times [2023-11-06 21:55:47,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:55:47,537 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1433844044] [2023-11-06 21:55:47,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:55:47,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:55:47,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 21:55:47,557 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 21:55:47,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 21:55:47,578 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 21:55:47,579 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:55:47,579 INFO L85 PathProgramCache]: Analyzing trace with hash 2147, now seen corresponding path program 1 times [2023-11-06 21:55:47,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:55:47,580 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [641713883] [2023-11-06 21:55:47,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:55:47,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:55:47,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 21:55:47,594 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 21:55:47,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 21:55:47,605 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 21:55:47,606 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:55:47,606 INFO L85 PathProgramCache]: Analyzing trace with hash 1298384784, now seen corresponding path program 1 times [2023-11-06 21:55:47,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:55:47,606 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [93874034] [2023-11-06 21:55:47,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:55:47,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:55:47,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 21:55:47,648 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 21:55:47,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 21:55:47,678 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 21:55:48,085 INFO L210 LassoAnalysis]: Preferences: [2023-11-06 21:55:48,086 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-06 21:55:48,086 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-06 21:55:48,086 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-06 21:55:48,086 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-06 21:55:48,086 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 21:55:48,086 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-06 21:55:48,086 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-06 21:55:48,086 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrpbrk-alloca-2.i_Iteration2_Lasso [2023-11-06 21:55:48,086 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-06 21:55:48,086 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-06 21:55:48,090 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:55:48,094 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:55:48,097 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:55:48,101 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:55:48,104 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:55:48,108 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:55:48,310 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:55:48,313 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:55:48,316 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:55:48,326 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:55:48,330 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:55:48,333 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:55:48,338 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:55:48,343 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:55:48,346 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:55:48,349 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:55:48,354 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:55:48,356 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:55:48,705 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-06 21:55:48,706 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-06 21:55:48,706 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 21:55:48,706 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:55:48,708 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 21:55:48,717 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 [2023-11-06 21:55:48,731 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2023-11-06 21:55:48,731 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 21:55:48,732 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 21:55:48,732 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 21:55:48,732 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 21:55:48,732 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 21:55:48,733 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 21:55:48,733 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 21:55:48,742 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 21:55:48,751 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2023-11-06 21:55:48,751 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 21:55:48,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:55:48,753 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 21:55:48,762 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 [2023-11-06 21:55:48,775 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 21:55:48,775 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 21:55:48,775 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 21:55:48,775 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 21:55:48,775 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 21:55:48,776 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 21:55:48,777 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 21:55:48,778 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2023-11-06 21:55:48,787 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 21:55:48,796 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2023-11-06 21:55:48,796 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 21:55:48,796 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:55:48,798 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 21:55:48,807 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 [2023-11-06 21:55:48,820 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 21:55:48,820 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 21:55:48,820 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 21:55:48,820 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 21:55:48,822 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2023-11-06 21:55:48,824 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 21:55:48,825 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 21:55:48,846 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 21:55:48,855 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2023-11-06 21:55:48,855 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 21:55:48,855 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:55:48,857 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 21:55:48,861 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 21:55:48,874 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2023-11-06 21:55:48,874 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 21:55:48,874 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 21:55:48,874 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 21:55:48,874 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 21:55:48,874 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 21:55:48,875 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 21:55:48,875 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 21:55:48,884 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 21:55:48,893 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2023-11-06 21:55:48,893 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 21:55:48,893 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:55:48,894 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 21:55:48,901 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2023-11-06 21:55:48,902 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 [2023-11-06 21:55:48,914 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 21:55:48,914 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 21:55:48,915 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 21:55:48,915 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 21:55:48,915 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 21:55:48,915 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 21:55:48,916 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 21:55:48,939 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 21:55:48,947 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2023-11-06 21:55:48,948 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 21:55:48,948 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:55:48,949 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 21:55:48,953 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 [2023-11-06 21:55:48,966 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 21:55:48,966 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 21:55:48,966 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 21:55:48,966 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 21:55:48,969 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2023-11-06 21:55:48,973 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 21:55:48,973 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 21:55:48,987 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 21:55:48,991 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2023-11-06 21:55:48,992 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 21:55:48,992 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:55:48,994 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 21:55:49,000 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 [2023-11-06 21:55:49,012 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 21:55:49,013 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 21:55:49,013 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2023-11-06 21:55:49,013 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 21:55:49,013 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 21:55:49,015 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 21:55:49,016 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 21:55:49,039 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 21:55:49,047 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2023-11-06 21:55:49,048 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 21:55:49,048 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:55:49,049 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 21:55:49,060 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 [2023-11-06 21:55:49,094 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2023-11-06 21:55:49,094 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 21:55:49,094 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 21:55:49,095 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 21:55:49,095 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 21:55:49,108 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 21:55:49,108 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 21:55:49,132 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-06 21:55:49,141 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2023-11-06 21:55:49,161 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2023-11-06 21:55:49,161 INFO L444 ModelExtractionUtils]: 3 out of 19 variables were initially zero. Simplification set additionally 12 variables to zero. [2023-11-06 21:55:49,162 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 21:55:49,162 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:55:49,167 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 21:55:49,176 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2023-11-06 21:55:49,176 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-06 21:55:49,199 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2023-11-06 21:55:49,199 INFO L513 LassoAnalysis]: Proved termination. [2023-11-06 21:55:49,199 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_~nondetString2~0#1.base)_1, ULTIMATE.start_main_~i~1#1) = 1*v_rep(select #length ULTIMATE.start_main_~nondetString2~0#1.base)_1 - 1*ULTIMATE.start_main_~i~1#1 Supporting invariants [1*ULTIMATE.start_main_~nondetString2~0#1.offset >= 0] [2023-11-06 21:55:49,208 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2023-11-06 21:55:49,234 INFO L156 tatePredicateManager]: 6 out of 7 supporting invariants were superfluous and have been removed [2023-11-06 21:55:49,237 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[~nondetString2~0!base] could not be translated [2023-11-06 21:55:49,268 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:55:49,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:49,288 INFO L262 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-06 21:55:49,289 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 21:55:49,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:49,345 INFO L262 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-06 21:55:49,346 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 21:55:49,374 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 21:55:49,374 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 [2023-11-06 21:55:49,375 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 20 states and 29 transitions. cyclomatic complexity: 12 Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 21:55:49,451 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 20 states and 29 transitions. cyclomatic complexity: 12. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 32 states and 48 transitions. Complement of second has 9 states. [2023-11-06 21:55:49,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2023-11-06 21:55:49,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 21:55:49,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 27 transitions. [2023-11-06 21:55:49,455 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 27 transitions. Stem has 7 letters. Loop has 2 letters. [2023-11-06 21:55:49,456 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 21:55:49,456 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 27 transitions. Stem has 9 letters. Loop has 2 letters. [2023-11-06 21:55:49,456 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 21:55:49,456 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 27 transitions. Stem has 7 letters. Loop has 4 letters. [2023-11-06 21:55:49,457 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 21:55:49,457 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 32 states and 48 transitions. [2023-11-06 21:55:49,464 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2023-11-06 21:55:49,472 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 32 states to 21 states and 30 transitions. [2023-11-06 21:55:49,472 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2023-11-06 21:55:49,473 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2023-11-06 21:55:49,473 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 30 transitions. [2023-11-06 21:55:49,473 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 21:55:49,473 INFO L218 hiAutomatonCegarLoop]: Abstraction has 21 states and 30 transitions. [2023-11-06 21:55:49,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states and 30 transitions. [2023-11-06 21:55:49,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2023-11-06 21:55:49,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 21 states have (on average 1.4285714285714286) internal successors, (30), 20 states have internal predecessors, (30), 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) [2023-11-06 21:55:49,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 30 transitions. [2023-11-06 21:55:49,478 INFO L240 hiAutomatonCegarLoop]: Abstraction has 21 states and 30 transitions. [2023-11-06 21:55:49,478 INFO L428 stractBuchiCegarLoop]: Abstraction has 21 states and 30 transitions. [2023-11-06 21:55:49,478 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-11-06 21:55:49,478 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 21 states and 30 transitions. [2023-11-06 21:55:49,479 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2023-11-06 21:55:49,479 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 21:55:49,480 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 21:55:49,481 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 21:55:49,481 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2023-11-06 21:55:49,481 INFO L748 eck$LassoCheckResult]: Stem: 299#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 292#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet10#1, main_#t~nondet11#1, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~nondet15#1, main_#t~post14#1, main_~i~0#1, main_#t~nondet17#1, main_#t~post16#1, main_~i~1#1, main_#t~ret18#1.base, main_#t~ret18#1.offset, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc main_#t~nondet10#1;main_~length1~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;havoc main_#t~nondet11#1;main_~length2~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1; 293#L532 assume !(main_~length1~0#1 < 1); 285#L532-2 assume !(main_~length2~0#1 < 1); 283#L535-1 call main_#t~malloc12#1.base, main_#t~malloc12#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc12#1.base, main_#t~malloc12#1.offset;call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;main_~i~0#1 := 0; 284#L541-3 assume !(main_~i~0#1 < main_~length1~0#1 - 1); 295#L541-4 havoc main_~i~0#1;main_~i~1#1 := 0; 288#L546-3 assume !(main_~i~1#1 < main_~length2~0#1 - 1); 289#L546-4 havoc main_~i~1#1;call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrpbrk } true;cstrpbrk_#in~s1#1.base, cstrpbrk_#in~s1#1.offset, cstrpbrk_#in~s2#1.base, cstrpbrk_#in~s2#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrpbrk_#res#1.base, cstrpbrk_#res#1.offset;havoc cstrpbrk_#t~mem4#1, cstrpbrk_#t~post8#1.base, cstrpbrk_#t~post8#1.offset, cstrpbrk_#t~mem5#1, cstrpbrk_#t~mem6#1, cstrpbrk_#t~short7#1, cstrpbrk_#t~mem9#1, cstrpbrk_#t~post2#1.base, cstrpbrk_#t~post2#1.offset, cstrpbrk_#t~mem3#1, cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset, cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset, cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset, cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset, cstrpbrk_~c~0#1;cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset := cstrpbrk_#in~s1#1.base, cstrpbrk_#in~s1#1.offset;cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset := cstrpbrk_#in~s2#1.base, cstrpbrk_#in~s2#1.offset;havoc cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset;havoc cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset;havoc cstrpbrk_~c~0#1;cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset := cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset; 294#L519-4 [2023-11-06 21:55:49,482 INFO L750 eck$LassoCheckResult]: Loop: 294#L519-4 call cstrpbrk_#t~mem3#1 := read~int(cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset, 1); 302#L519-1 assume !!(0 != cstrpbrk_#t~mem3#1);havoc cstrpbrk_#t~mem3#1;cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset := cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset;call cstrpbrk_#t~mem4#1 := read~int(cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset, 1);cstrpbrk_~c~0#1 := cstrpbrk_#t~mem4#1;havoc cstrpbrk_#t~mem4#1; 297#L522-5 assume !true; 286#L522-6 call cstrpbrk_#t~mem9#1 := read~int(cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset, 1); 287#L524 assume !(cstrpbrk_#t~mem9#1 != cstrpbrk_~c~0#1);havoc cstrpbrk_#t~mem9#1; 298#L519-3 cstrpbrk_#t~post2#1.base, cstrpbrk_#t~post2#1.offset := cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset;cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset := cstrpbrk_#t~post2#1.base, 1 + cstrpbrk_#t~post2#1.offset;havoc cstrpbrk_#t~post2#1.base, cstrpbrk_#t~post2#1.offset; 294#L519-4 [2023-11-06 21:55:49,482 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:55:49,482 INFO L85 PathProgramCache]: Analyzing trace with hash 1298384726, now seen corresponding path program 1 times [2023-11-06 21:55:49,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:55:49,485 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1485153814] [2023-11-06 21:55:49,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:55:49,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:55:49,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 21:55:49,535 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 21:55:49,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 21:55:49,573 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 21:55:49,576 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:55:49,577 INFO L85 PathProgramCache]: Analyzing trace with hash -2011713398, now seen corresponding path program 1 times [2023-11-06 21:55:49,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:55:49,577 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1400561526] [2023-11-06 21:55:49,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:55:49,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:55:49,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:49,635 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 21:55:49,646 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 21:55:49,647 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1400561526] [2023-11-06 21:55:49,648 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1400561526] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 21:55:49,648 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 21:55:49,648 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 21:55:49,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [534308879] [2023-11-06 21:55:49,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 21:55:49,652 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-06 21:55:49,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 21:55:49,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 21:55:49,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 21:55:49,656 INFO L87 Difference]: Start difference. First operand 21 states and 30 transitions. cyclomatic complexity: 12 Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 21:55:49,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 21:55:49,669 INFO L93 Difference]: Finished difference Result 21 states and 29 transitions. [2023-11-06 21:55:49,670 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 29 transitions. [2023-11-06 21:55:49,672 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2023-11-06 21:55:49,673 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 21 states and 29 transitions. [2023-11-06 21:55:49,674 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2023-11-06 21:55:49,674 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2023-11-06 21:55:49,674 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 29 transitions. [2023-11-06 21:55:49,675 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 21:55:49,675 INFO L218 hiAutomatonCegarLoop]: Abstraction has 21 states and 29 transitions. [2023-11-06 21:55:49,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states and 29 transitions. [2023-11-06 21:55:49,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2023-11-06 21:55:49,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 21 states have (on average 1.380952380952381) internal successors, (29), 20 states have internal predecessors, (29), 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) [2023-11-06 21:55:49,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 29 transitions. [2023-11-06 21:55:49,681 INFO L240 hiAutomatonCegarLoop]: Abstraction has 21 states and 29 transitions. [2023-11-06 21:55:49,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 21:55:49,683 INFO L428 stractBuchiCegarLoop]: Abstraction has 21 states and 29 transitions. [2023-11-06 21:55:49,683 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2023-11-06 21:55:49,683 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 21 states and 29 transitions. [2023-11-06 21:55:49,685 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2023-11-06 21:55:49,685 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 21:55:49,685 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 21:55:49,686 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 21:55:49,686 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 21:55:49,686 INFO L748 eck$LassoCheckResult]: Stem: 346#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 339#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet10#1, main_#t~nondet11#1, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~nondet15#1, main_#t~post14#1, main_~i~0#1, main_#t~nondet17#1, main_#t~post16#1, main_~i~1#1, main_#t~ret18#1.base, main_#t~ret18#1.offset, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc main_#t~nondet10#1;main_~length1~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;havoc main_#t~nondet11#1;main_~length2~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1; 340#L532 assume !(main_~length1~0#1 < 1); 332#L532-2 assume !(main_~length2~0#1 < 1); 330#L535-1 call main_#t~malloc12#1.base, main_#t~malloc12#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc12#1.base, main_#t~malloc12#1.offset;call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;main_~i~0#1 := 0; 331#L541-3 assume !(main_~i~0#1 < main_~length1~0#1 - 1); 341#L541-4 havoc main_~i~0#1;main_~i~1#1 := 0; 335#L546-3 assume !(main_~i~1#1 < main_~length2~0#1 - 1); 336#L546-4 havoc main_~i~1#1;call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrpbrk } true;cstrpbrk_#in~s1#1.base, cstrpbrk_#in~s1#1.offset, cstrpbrk_#in~s2#1.base, cstrpbrk_#in~s2#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrpbrk_#res#1.base, cstrpbrk_#res#1.offset;havoc cstrpbrk_#t~mem4#1, cstrpbrk_#t~post8#1.base, cstrpbrk_#t~post8#1.offset, cstrpbrk_#t~mem5#1, cstrpbrk_#t~mem6#1, cstrpbrk_#t~short7#1, cstrpbrk_#t~mem9#1, cstrpbrk_#t~post2#1.base, cstrpbrk_#t~post2#1.offset, cstrpbrk_#t~mem3#1, cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset, cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset, cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset, cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset, cstrpbrk_~c~0#1;cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset := cstrpbrk_#in~s1#1.base, cstrpbrk_#in~s1#1.offset;cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset := cstrpbrk_#in~s2#1.base, cstrpbrk_#in~s2#1.offset;havoc cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset;havoc cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset;havoc cstrpbrk_~c~0#1;cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset := cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset; 342#L519-4 [2023-11-06 21:55:49,687 INFO L750 eck$LassoCheckResult]: Loop: 342#L519-4 call cstrpbrk_#t~mem3#1 := read~int(cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset, 1); 349#L519-1 assume !!(0 != cstrpbrk_#t~mem3#1);havoc cstrpbrk_#t~mem3#1;cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset := cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset;call cstrpbrk_#t~mem4#1 := read~int(cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset, 1);cstrpbrk_~c~0#1 := cstrpbrk_#t~mem4#1;havoc cstrpbrk_#t~mem4#1; 344#L522-5 call cstrpbrk_#t~mem5#1 := read~int(cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset, 1);cstrpbrk_#t~short7#1 := 0 != cstrpbrk_#t~mem5#1; 350#L522-1 assume cstrpbrk_#t~short7#1;call cstrpbrk_#t~mem6#1 := read~int(cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset, 1);cstrpbrk_#t~short7#1 := cstrpbrk_#t~mem6#1 != (if cstrpbrk_~c~0#1 % 256 <= 127 then cstrpbrk_~c~0#1 % 256 else cstrpbrk_~c~0#1 % 256 - 256); 343#L522-3 assume !cstrpbrk_#t~short7#1;havoc cstrpbrk_#t~mem5#1;havoc cstrpbrk_#t~mem6#1;havoc cstrpbrk_#t~short7#1; 333#L522-6 call cstrpbrk_#t~mem9#1 := read~int(cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset, 1); 334#L524 assume !(cstrpbrk_#t~mem9#1 != cstrpbrk_~c~0#1);havoc cstrpbrk_#t~mem9#1; 345#L519-3 cstrpbrk_#t~post2#1.base, cstrpbrk_#t~post2#1.offset := cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset;cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset := cstrpbrk_#t~post2#1.base, 1 + cstrpbrk_#t~post2#1.offset;havoc cstrpbrk_#t~post2#1.base, cstrpbrk_#t~post2#1.offset; 342#L519-4 [2023-11-06 21:55:49,687 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:55:49,687 INFO L85 PathProgramCache]: Analyzing trace with hash 1298384726, now seen corresponding path program 2 times [2023-11-06 21:55:49,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:55:49,688 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [812928574] [2023-11-06 21:55:49,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:55:49,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:55:49,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 21:55:49,730 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 21:55:49,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 21:55:49,767 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 21:55:49,774 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:55:49,774 INFO L85 PathProgramCache]: Analyzing trace with hash -904885455, now seen corresponding path program 1 times [2023-11-06 21:55:49,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:55:49,775 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1073124795] [2023-11-06 21:55:49,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:55:49,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:55:49,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 21:55:49,787 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 21:55:49,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 21:55:49,796 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 21:55:49,797 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:55:49,797 INFO L85 PathProgramCache]: Analyzing trace with hash 1903570310, now seen corresponding path program 1 times [2023-11-06 21:55:49,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:55:49,798 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1195718665] [2023-11-06 21:55:49,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:55:49,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:55:49,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:50,269 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 21:55:50,269 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 21:55:50,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1195718665] [2023-11-06 21:55:50,270 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1195718665] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 21:55:50,270 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 21:55:50,270 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-06 21:55:50,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1122949051] [2023-11-06 21:55:50,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 21:55:50,574 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2023-11-06 21:55:50,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 21:55:50,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-06 21:55:50,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-11-06 21:55:50,590 INFO L87 Difference]: Start difference. First operand 21 states and 29 transitions. cyclomatic complexity: 11 Second operand has 9 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 9 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 21:55:50,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 21:55:50,745 INFO L93 Difference]: Finished difference Result 34 states and 42 transitions. [2023-11-06 21:55:50,745 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 34 states and 42 transitions. [2023-11-06 21:55:50,746 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 17 [2023-11-06 21:55:50,747 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 34 states to 34 states and 42 transitions. [2023-11-06 21:55:50,747 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 29 [2023-11-06 21:55:50,747 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 29 [2023-11-06 21:55:50,747 INFO L73 IsDeterministic]: Start isDeterministic. Operand 34 states and 42 transitions. [2023-11-06 21:55:50,748 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 21:55:50,748 INFO L218 hiAutomatonCegarLoop]: Abstraction has 34 states and 42 transitions. [2023-11-06 21:55:50,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states and 42 transitions. [2023-11-06 21:55:50,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 31. [2023-11-06 21:55:50,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 31 states have (on average 1.2580645161290323) internal successors, (39), 30 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 21:55:50,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 39 transitions. [2023-11-06 21:55:50,751 INFO L240 hiAutomatonCegarLoop]: Abstraction has 31 states and 39 transitions. [2023-11-06 21:55:50,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-06 21:55:50,752 INFO L428 stractBuchiCegarLoop]: Abstraction has 31 states and 39 transitions. [2023-11-06 21:55:50,752 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2023-11-06 21:55:50,752 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 31 states and 39 transitions. [2023-11-06 21:55:50,753 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 17 [2023-11-06 21:55:50,753 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 21:55:50,753 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 21:55:50,754 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 21:55:50,754 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 21:55:50,754 INFO L748 eck$LassoCheckResult]: Stem: 424#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 417#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet10#1, main_#t~nondet11#1, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~nondet15#1, main_#t~post14#1, main_~i~0#1, main_#t~nondet17#1, main_#t~post16#1, main_~i~1#1, main_#t~ret18#1.base, main_#t~ret18#1.offset, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc main_#t~nondet10#1;main_~length1~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;havoc main_#t~nondet11#1;main_~length2~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1; 418#L532 assume !(main_~length1~0#1 < 1); 409#L532-2 assume !(main_~length2~0#1 < 1); 407#L535-1 call main_#t~malloc12#1.base, main_#t~malloc12#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc12#1.base, main_#t~malloc12#1.offset;call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;main_~i~0#1 := 0; 408#L541-3 assume !(main_~i~0#1 < main_~length1~0#1 - 1); 419#L541-4 havoc main_~i~0#1;main_~i~1#1 := 0; 412#L546-3 assume !(main_~i~1#1 < main_~length2~0#1 - 1); 413#L546-4 havoc main_~i~1#1;call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrpbrk } true;cstrpbrk_#in~s1#1.base, cstrpbrk_#in~s1#1.offset, cstrpbrk_#in~s2#1.base, cstrpbrk_#in~s2#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrpbrk_#res#1.base, cstrpbrk_#res#1.offset;havoc cstrpbrk_#t~mem4#1, cstrpbrk_#t~post8#1.base, cstrpbrk_#t~post8#1.offset, cstrpbrk_#t~mem5#1, cstrpbrk_#t~mem6#1, cstrpbrk_#t~short7#1, cstrpbrk_#t~mem9#1, cstrpbrk_#t~post2#1.base, cstrpbrk_#t~post2#1.offset, cstrpbrk_#t~mem3#1, cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset, cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset, cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset, cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset, cstrpbrk_~c~0#1;cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset := cstrpbrk_#in~s1#1.base, cstrpbrk_#in~s1#1.offset;cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset := cstrpbrk_#in~s2#1.base, cstrpbrk_#in~s2#1.offset;havoc cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset;havoc cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset;havoc cstrpbrk_~c~0#1;cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset := cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset; 420#L519-4 [2023-11-06 21:55:50,754 INFO L750 eck$LassoCheckResult]: Loop: 420#L519-4 call cstrpbrk_#t~mem3#1 := read~int(cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset, 1); 427#L519-1 assume !!(0 != cstrpbrk_#t~mem3#1);havoc cstrpbrk_#t~mem3#1;cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset := cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset;call cstrpbrk_#t~mem4#1 := read~int(cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset, 1);cstrpbrk_~c~0#1 := cstrpbrk_#t~mem4#1;havoc cstrpbrk_#t~mem4#1; 430#L522-5 call cstrpbrk_#t~mem5#1 := read~int(cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset, 1);cstrpbrk_#t~short7#1 := 0 != cstrpbrk_#t~mem5#1; 428#L522-1 assume !cstrpbrk_#t~short7#1; 429#L522-3 assume !cstrpbrk_#t~short7#1;havoc cstrpbrk_#t~mem5#1;havoc cstrpbrk_#t~mem6#1;havoc cstrpbrk_#t~short7#1; 437#L522-6 call cstrpbrk_#t~mem9#1 := read~int(cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset, 1); 436#L524 assume !(cstrpbrk_#t~mem9#1 != cstrpbrk_~c~0#1);havoc cstrpbrk_#t~mem9#1; 422#L519-3 cstrpbrk_#t~post2#1.base, cstrpbrk_#t~post2#1.offset := cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset;cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset := cstrpbrk_#t~post2#1.base, 1 + cstrpbrk_#t~post2#1.offset;havoc cstrpbrk_#t~post2#1.base, cstrpbrk_#t~post2#1.offset; 420#L519-4 [2023-11-06 21:55:50,754 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:55:50,754 INFO L85 PathProgramCache]: Analyzing trace with hash 1298384726, now seen corresponding path program 3 times [2023-11-06 21:55:50,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:55:50,755 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [724367117] [2023-11-06 21:55:50,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:55:50,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:55:50,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 21:55:50,768 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 21:55:50,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 21:55:50,779 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 21:55:50,779 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:55:50,780 INFO L85 PathProgramCache]: Analyzing trace with hash -903038413, now seen corresponding path program 1 times [2023-11-06 21:55:50,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:55:50,780 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1460506897] [2023-11-06 21:55:50,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:55:50,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:55:50,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:50,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 21:55:50,846 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 21:55:50,846 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1460506897] [2023-11-06 21:55:50,846 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1460506897] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 21:55:50,846 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 21:55:50,847 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 21:55:50,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1774258466] [2023-11-06 21:55:50,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 21:55:50,847 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-06 21:55:50,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 21:55:50,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-06 21:55:50,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-11-06 21:55:50,848 INFO L87 Difference]: Start difference. First operand 31 states and 39 transitions. cyclomatic complexity: 12 Second operand has 7 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 21:55:50,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 21:55:50,927 INFO L93 Difference]: Finished difference Result 34 states and 40 transitions. [2023-11-06 21:55:50,927 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 34 states and 40 transitions. [2023-11-06 21:55:50,928 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2023-11-06 21:55:50,928 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 34 states to 23 states and 29 transitions. [2023-11-06 21:55:50,928 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 19 [2023-11-06 21:55:50,929 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 19 [2023-11-06 21:55:50,929 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 29 transitions. [2023-11-06 21:55:50,929 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 21:55:50,929 INFO L218 hiAutomatonCegarLoop]: Abstraction has 23 states and 29 transitions. [2023-11-06 21:55:50,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states and 29 transitions. [2023-11-06 21:55:50,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 21. [2023-11-06 21:55:50,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 21 states have (on average 1.2857142857142858) internal successors, (27), 20 states have internal predecessors, (27), 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) [2023-11-06 21:55:50,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 27 transitions. [2023-11-06 21:55:50,931 INFO L240 hiAutomatonCegarLoop]: Abstraction has 21 states and 27 transitions. [2023-11-06 21:55:50,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-06 21:55:50,932 INFO L428 stractBuchiCegarLoop]: Abstraction has 21 states and 27 transitions. [2023-11-06 21:55:50,932 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2023-11-06 21:55:50,932 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 21 states and 27 transitions. [2023-11-06 21:55:50,933 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2023-11-06 21:55:50,933 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 21:55:50,933 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 21:55:50,933 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 21:55:50,934 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 21:55:50,934 INFO L748 eck$LassoCheckResult]: Stem: 506#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 499#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet10#1, main_#t~nondet11#1, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~nondet15#1, main_#t~post14#1, main_~i~0#1, main_#t~nondet17#1, main_#t~post16#1, main_~i~1#1, main_#t~ret18#1.base, main_#t~ret18#1.offset, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc main_#t~nondet10#1;main_~length1~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;havoc main_#t~nondet11#1;main_~length2~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1; 500#L532 assume !(main_~length1~0#1 < 1); 492#L532-2 assume !(main_~length2~0#1 < 1); 490#L535-1 call main_#t~malloc12#1.base, main_#t~malloc12#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc12#1.base, main_#t~malloc12#1.offset;call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;main_~i~0#1 := 0; 491#L541-3 assume !(main_~i~0#1 < main_~length1~0#1 - 1); 501#L541-4 havoc main_~i~0#1;main_~i~1#1 := 0; 495#L546-3 assume !!(main_~i~1#1 < main_~length2~0#1 - 1);havoc main_#t~nondet17#1;call write~int(main_#t~nondet17#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet17#1; 496#L546-2 main_#t~post16#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post16#1;havoc main_#t~post16#1; 497#L546-3 assume !(main_~i~1#1 < main_~length2~0#1 - 1); 498#L546-4 havoc main_~i~1#1;call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrpbrk } true;cstrpbrk_#in~s1#1.base, cstrpbrk_#in~s1#1.offset, cstrpbrk_#in~s2#1.base, cstrpbrk_#in~s2#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrpbrk_#res#1.base, cstrpbrk_#res#1.offset;havoc cstrpbrk_#t~mem4#1, cstrpbrk_#t~post8#1.base, cstrpbrk_#t~post8#1.offset, cstrpbrk_#t~mem5#1, cstrpbrk_#t~mem6#1, cstrpbrk_#t~short7#1, cstrpbrk_#t~mem9#1, cstrpbrk_#t~post2#1.base, cstrpbrk_#t~post2#1.offset, cstrpbrk_#t~mem3#1, cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset, cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset, cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset, cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset, cstrpbrk_~c~0#1;cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset := cstrpbrk_#in~s1#1.base, cstrpbrk_#in~s1#1.offset;cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset := cstrpbrk_#in~s2#1.base, cstrpbrk_#in~s2#1.offset;havoc cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset;havoc cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset;havoc cstrpbrk_~c~0#1;cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset := cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset; 502#L519-4 [2023-11-06 21:55:50,934 INFO L750 eck$LassoCheckResult]: Loop: 502#L519-4 call cstrpbrk_#t~mem3#1 := read~int(cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset, 1); 509#L519-1 assume !!(0 != cstrpbrk_#t~mem3#1);havoc cstrpbrk_#t~mem3#1;cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset := cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset;call cstrpbrk_#t~mem4#1 := read~int(cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset, 1);cstrpbrk_~c~0#1 := cstrpbrk_#t~mem4#1;havoc cstrpbrk_#t~mem4#1; 505#L522-5 call cstrpbrk_#t~mem5#1 := read~int(cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset, 1);cstrpbrk_#t~short7#1 := 0 != cstrpbrk_#t~mem5#1; 510#L522-1 assume cstrpbrk_#t~short7#1;call cstrpbrk_#t~mem6#1 := read~int(cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset, 1);cstrpbrk_#t~short7#1 := cstrpbrk_#t~mem6#1 != (if cstrpbrk_~c~0#1 % 256 <= 127 then cstrpbrk_~c~0#1 % 256 else cstrpbrk_~c~0#1 % 256 - 256); 504#L522-3 assume !cstrpbrk_#t~short7#1;havoc cstrpbrk_#t~mem5#1;havoc cstrpbrk_#t~mem6#1;havoc cstrpbrk_#t~short7#1; 493#L522-6 call cstrpbrk_#t~mem9#1 := read~int(cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset, 1); 494#L524 assume !(cstrpbrk_#t~mem9#1 != cstrpbrk_~c~0#1);havoc cstrpbrk_#t~mem9#1; 503#L519-3 cstrpbrk_#t~post2#1.base, cstrpbrk_#t~post2#1.offset := cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset;cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset := cstrpbrk_#t~post2#1.base, 1 + cstrpbrk_#t~post2#1.offset;havoc cstrpbrk_#t~post2#1.base, cstrpbrk_#t~post2#1.offset; 502#L519-4 [2023-11-06 21:55:50,934 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:55:50,934 INFO L85 PathProgramCache]: Analyzing trace with hash -2087704584, now seen corresponding path program 1 times [2023-11-06 21:55:50,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:55:50,935 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1877423937] [2023-11-06 21:55:50,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:55:50,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:55:50,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 21:55:50,949 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 21:55:50,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 21:55:50,961 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 21:55:50,961 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:55:50,961 INFO L85 PathProgramCache]: Analyzing trace with hash -904885455, now seen corresponding path program 2 times [2023-11-06 21:55:50,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:55:50,962 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1307008061] [2023-11-06 21:55:50,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:55:50,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:55:50,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 21:55:50,968 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 21:55:50,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 21:55:50,974 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 21:55:50,975 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:55:50,975 INFO L85 PathProgramCache]: Analyzing trace with hash 949013544, now seen corresponding path program 1 times [2023-11-06 21:55:50,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:55:50,976 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [377440949] [2023-11-06 21:55:50,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:55:50,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:55:50,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:51,269 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-06 21:55:51,269 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 21:55:51,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [377440949] [2023-11-06 21:55:51,270 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [377440949] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 21:55:51,270 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 21:55:51,270 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-06 21:55:51,270 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1340018636] [2023-11-06 21:55:51,270 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 21:55:51,584 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 21:55:51,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-06 21:55:51,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-11-06 21:55:51,585 INFO L87 Difference]: Start difference. First operand 21 states and 27 transitions. cyclomatic complexity: 9 Second operand has 7 states, 7 states have (on average 2.7142857142857144) internal successors, (19), 7 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 21:55:51,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 21:55:51,668 INFO L93 Difference]: Finished difference Result 29 states and 35 transitions. [2023-11-06 21:55:51,668 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 29 states and 35 transitions. [2023-11-06 21:55:51,668 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2023-11-06 21:55:51,669 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 29 states to 22 states and 27 transitions. [2023-11-06 21:55:51,669 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2023-11-06 21:55:51,669 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2023-11-06 21:55:51,669 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 27 transitions. [2023-11-06 21:55:51,670 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 21:55:51,670 INFO L218 hiAutomatonCegarLoop]: Abstraction has 22 states and 27 transitions. [2023-11-06 21:55:51,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states and 27 transitions. [2023-11-06 21:55:51,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 21. [2023-11-06 21:55:51,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 21 states have (on average 1.2380952380952381) internal successors, (26), 20 states have internal predecessors, (26), 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) [2023-11-06 21:55:51,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 26 transitions. [2023-11-06 21:55:51,672 INFO L240 hiAutomatonCegarLoop]: Abstraction has 21 states and 26 transitions. [2023-11-06 21:55:51,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 21:55:51,673 INFO L428 stractBuchiCegarLoop]: Abstraction has 21 states and 26 transitions. [2023-11-06 21:55:51,674 INFO L335 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2023-11-06 21:55:51,674 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 21 states and 26 transitions. [2023-11-06 21:55:51,674 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2023-11-06 21:55:51,674 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 21:55:51,675 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 21:55:51,675 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 21:55:51,675 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 21:55:51,675 INFO L748 eck$LassoCheckResult]: Stem: 572#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 565#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet10#1, main_#t~nondet11#1, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~nondet15#1, main_#t~post14#1, main_~i~0#1, main_#t~nondet17#1, main_#t~post16#1, main_~i~1#1, main_#t~ret18#1.base, main_#t~ret18#1.offset, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc main_#t~nondet10#1;main_~length1~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;havoc main_#t~nondet11#1;main_~length2~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1; 566#L532 assume !(main_~length1~0#1 < 1); 558#L532-2 assume !(main_~length2~0#1 < 1); 556#L535-1 call main_#t~malloc12#1.base, main_#t~malloc12#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc12#1.base, main_#t~malloc12#1.offset;call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;main_~i~0#1 := 0; 557#L541-3 assume !!(main_~i~0#1 < main_~length1~0#1 - 1);havoc main_#t~nondet15#1;call write~int(main_#t~nondet15#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet15#1; 573#L541-2 main_#t~post14#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post14#1;havoc main_#t~post14#1; 574#L541-3 assume !(main_~i~0#1 < main_~length1~0#1 - 1); 568#L541-4 havoc main_~i~0#1;main_~i~1#1 := 0; 561#L546-3 assume !!(main_~i~1#1 < main_~length2~0#1 - 1);havoc main_#t~nondet17#1;call write~int(main_#t~nondet17#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet17#1; 562#L546-2 main_#t~post16#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post16#1;havoc main_#t~post16#1; 563#L546-3 assume !(main_~i~1#1 < main_~length2~0#1 - 1); 564#L546-4 havoc main_~i~1#1;call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrpbrk } true;cstrpbrk_#in~s1#1.base, cstrpbrk_#in~s1#1.offset, cstrpbrk_#in~s2#1.base, cstrpbrk_#in~s2#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrpbrk_#res#1.base, cstrpbrk_#res#1.offset;havoc cstrpbrk_#t~mem4#1, cstrpbrk_#t~post8#1.base, cstrpbrk_#t~post8#1.offset, cstrpbrk_#t~mem5#1, cstrpbrk_#t~mem6#1, cstrpbrk_#t~short7#1, cstrpbrk_#t~mem9#1, cstrpbrk_#t~post2#1.base, cstrpbrk_#t~post2#1.offset, cstrpbrk_#t~mem3#1, cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset, cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset, cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset, cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset, cstrpbrk_~c~0#1;cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset := cstrpbrk_#in~s1#1.base, cstrpbrk_#in~s1#1.offset;cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset := cstrpbrk_#in~s2#1.base, cstrpbrk_#in~s2#1.offset;havoc cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset;havoc cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset;havoc cstrpbrk_~c~0#1;cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset := cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset; 567#L519-4 [2023-11-06 21:55:51,676 INFO L750 eck$LassoCheckResult]: Loop: 567#L519-4 call cstrpbrk_#t~mem3#1 := read~int(cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset, 1); 575#L519-1 assume !!(0 != cstrpbrk_#t~mem3#1);havoc cstrpbrk_#t~mem3#1;cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset := cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset;call cstrpbrk_#t~mem4#1 := read~int(cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset, 1);cstrpbrk_~c~0#1 := cstrpbrk_#t~mem4#1;havoc cstrpbrk_#t~mem4#1; 570#L522-5 call cstrpbrk_#t~mem5#1 := read~int(cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset, 1);cstrpbrk_#t~short7#1 := 0 != cstrpbrk_#t~mem5#1; 576#L522-1 assume cstrpbrk_#t~short7#1;call cstrpbrk_#t~mem6#1 := read~int(cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset, 1);cstrpbrk_#t~short7#1 := cstrpbrk_#t~mem6#1 != (if cstrpbrk_~c~0#1 % 256 <= 127 then cstrpbrk_~c~0#1 % 256 else cstrpbrk_~c~0#1 % 256 - 256); 569#L522-3 assume !cstrpbrk_#t~short7#1;havoc cstrpbrk_#t~mem5#1;havoc cstrpbrk_#t~mem6#1;havoc cstrpbrk_#t~short7#1; 559#L522-6 call cstrpbrk_#t~mem9#1 := read~int(cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset, 1); 560#L524 assume !(cstrpbrk_#t~mem9#1 != cstrpbrk_~c~0#1);havoc cstrpbrk_#t~mem9#1; 571#L519-3 cstrpbrk_#t~post2#1.base, cstrpbrk_#t~post2#1.offset := cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset;cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset := cstrpbrk_#t~post2#1.base, 1 + cstrpbrk_#t~post2#1.offset;havoc cstrpbrk_#t~post2#1.base, cstrpbrk_#t~post2#1.offset; 567#L519-4 [2023-11-06 21:55:51,676 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:55:51,676 INFO L85 PathProgramCache]: Analyzing trace with hash -1066016806, now seen corresponding path program 1 times [2023-11-06 21:55:51,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:55:51,677 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [175560278] [2023-11-06 21:55:51,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:55:51,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:55:51,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 21:55:51,692 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 21:55:51,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 21:55:51,705 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 21:55:51,706 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:55:51,706 INFO L85 PathProgramCache]: Analyzing trace with hash -904885455, now seen corresponding path program 3 times [2023-11-06 21:55:51,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:55:51,706 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1726336279] [2023-11-06 21:55:51,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:55:51,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:55:51,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 21:55:51,713 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 21:55:51,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 21:55:51,719 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 21:55:51,720 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:55:51,720 INFO L85 PathProgramCache]: Analyzing trace with hash -1875279350, now seen corresponding path program 1 times [2023-11-06 21:55:51,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:55:51,720 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1097885667] [2023-11-06 21:55:51,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:55:51,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:55:51,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 21:55:51,739 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 21:55:51,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 21:55:51,755 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 21:55:53,572 INFO L210 LassoAnalysis]: Preferences: [2023-11-06 21:55:53,572 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-06 21:55:53,572 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-06 21:55:53,573 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-06 21:55:53,573 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-06 21:55:53,573 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 21:55:53,573 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-06 21:55:53,573 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-06 21:55:53,573 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrpbrk-alloca-2.i_Iteration7_Lasso [2023-11-06 21:55:53,573 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-06 21:55:53,573 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-06 21:55:53,580 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:55:53,582 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:55:53,585 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:55:53,587 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:55:53,590 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:55:53,593 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:55:53,596 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:55:53,600 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:55:53,603 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:55:53,606 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:55:53,611 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:55:53,614 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:55:53,617 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:55:53,620 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:55:54,327 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:55:54,330 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:55:54,332 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:55:54,336 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:55:54,338 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:55:54,340 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:55:54,344 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:55:54,346 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:55:54,348 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:55:54,351 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:55:54,353 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:55:54,355 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:55:54,358 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:55:54,360 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:55:54,363 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:55:54,371 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:55:55,104 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-06 21:55:55,104 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-06 21:55:55,104 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 21:55:55,104 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:55:55,115 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 21:55:55,127 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2023-11-06 21:55:55,128 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 [2023-11-06 21:55:55,140 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 21:55:55,141 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 21:55:55,141 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 21:55:55,141 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 21:55:55,141 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 21:55:55,142 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 21:55:55,142 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 21:55:55,151 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 21:55:55,161 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2023-11-06 21:55:55,161 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 21:55:55,162 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:55:55,163 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 21:55:55,176 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 [2023-11-06 21:55:55,188 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 21:55:55,188 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 21:55:55,188 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 21:55:55,188 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 21:55:55,188 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 21:55:55,189 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 21:55:55,189 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 21:55:55,191 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2023-11-06 21:55:55,207 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 21:55:55,215 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2023-11-06 21:55:55,215 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 21:55:55,215 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:55:55,216 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 21:55:55,227 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 [2023-11-06 21:55:55,233 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2023-11-06 21:55:55,239 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 21:55:55,239 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 21:55:55,239 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 21:55:55,239 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 21:55:55,240 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 21:55:55,240 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 21:55:55,240 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 21:55:55,255 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 21:55:55,263 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2023-11-06 21:55:55,263 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 21:55:55,264 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:55:55,265 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 21:55:55,273 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 [2023-11-06 21:55:55,285 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 21:55:55,285 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 21:55:55,286 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 21:55:55,286 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 21:55:55,286 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 21:55:55,286 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 21:55:55,286 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 21:55:55,287 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2023-11-06 21:55:55,303 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 21:55:55,311 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2023-11-06 21:55:55,312 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 21:55:55,312 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:55:55,313 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 21:55:55,317 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 [2023-11-06 21:55:55,329 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 21:55:55,329 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 21:55:55,329 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 21:55:55,329 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 21:55:55,331 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 21:55:55,331 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 21:55:55,332 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2023-11-06 21:55:55,342 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 21:55:55,345 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2023-11-06 21:55:55,346 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 21:55:55,346 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:55:55,347 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 21:55:55,351 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 [2023-11-06 21:55:55,364 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 21:55:55,364 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 21:55:55,364 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 21:55:55,364 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 21:55:55,364 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 21:55:55,365 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 21:55:55,365 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 21:55:55,365 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2023-11-06 21:55:55,375 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 21:55:55,383 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2023-11-06 21:55:55,383 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 21:55:55,384 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:55:55,385 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 21:55:55,389 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 [2023-11-06 21:55:55,401 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 21:55:55,402 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 21:55:55,402 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 21:55:55,402 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 21:55:55,403 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2023-11-06 21:55:55,404 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 21:55:55,404 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 21:55:55,423 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 21:55:55,431 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2023-11-06 21:55:55,431 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 21:55:55,432 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:55:55,433 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 21:55:55,438 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 21:55:55,450 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 21:55:55,450 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 21:55:55,450 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 21:55:55,450 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 21:55:55,451 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2023-11-06 21:55:55,457 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 21:55:55,457 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 21:55:55,468 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 21:55:55,476 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2023-11-06 21:55:55,477 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 21:55:55,477 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:55:55,478 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 21:55:55,485 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 [2023-11-06 21:55:55,497 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2023-11-06 21:55:55,498 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 21:55:55,498 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 21:55:55,498 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 21:55:55,498 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 21:55:55,498 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 21:55:55,499 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 21:55:55,499 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 21:55:55,508 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 21:55:55,516 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2023-11-06 21:55:55,516 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 21:55:55,517 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:55:55,518 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 21:55:55,522 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 21:55:55,534 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 21:55:55,534 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 21:55:55,534 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 21:55:55,535 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 21:55:55,535 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 21:55:55,536 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 21:55:55,536 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 21:55:55,537 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2023-11-06 21:55:55,542 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 21:55:55,545 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2023-11-06 21:55:55,545 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 21:55:55,545 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:55:55,548 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 21:55:55,551 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2023-11-06 21:55:55,551 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 [2023-11-06 21:55:55,561 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 21:55:55,561 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 21:55:55,561 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 21:55:55,561 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 21:55:55,564 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 21:55:55,565 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 21:55:55,574 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 21:55:55,582 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2023-11-06 21:55:55,582 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 21:55:55,583 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:55:55,584 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 21:55:55,589 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2023-11-06 21:55:55,589 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 [2023-11-06 21:55:55,599 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 21:55:55,599 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 21:55:55,599 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 21:55:55,599 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 21:55:55,599 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 21:55:55,600 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 21:55:55,600 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 21:55:55,601 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 21:55:55,604 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2023-11-06 21:55:55,604 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 21:55:55,604 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:55:55,605 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 21:55:55,606 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2023-11-06 21:55:55,608 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 [2023-11-06 21:55:55,618 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 21:55:55,618 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 21:55:55,618 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 21:55:55,618 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 21:55:55,618 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 21:55:55,619 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 21:55:55,619 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 21:55:55,620 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 21:55:55,622 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2023-11-06 21:55:55,623 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 21:55:55,623 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:55:55,624 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 21:55:55,626 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2023-11-06 21:55:55,626 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 [2023-11-06 21:55:55,637 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 21:55:55,637 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 21:55:55,637 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 21:55:55,638 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 21:55:55,638 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 21:55:55,638 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 21:55:55,638 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 21:55:55,659 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 21:55:55,665 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2023-11-06 21:55:55,665 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 21:55:55,665 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:55:55,666 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 21:55:55,667 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2023-11-06 21:55:55,669 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 [2023-11-06 21:55:55,679 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 21:55:55,680 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 21:55:55,680 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 21:55:55,680 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 21:55:55,690 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 21:55:55,690 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 21:55:55,708 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 21:55:55,712 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2023-11-06 21:55:55,712 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 21:55:55,713 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:55:55,714 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 21:55:55,724 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 [2023-11-06 21:55:55,736 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 21:55:55,736 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 21:55:55,737 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 21:55:55,737 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 21:55:55,738 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2023-11-06 21:55:55,741 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 21:55:55,741 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 21:55:55,767 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 21:55:55,775 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2023-11-06 21:55:55,775 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 21:55:55,775 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:55:55,776 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 21:55:55,784 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 [2023-11-06 21:55:55,796 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 21:55:55,796 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 21:55:55,796 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 21:55:55,796 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 21:55:55,798 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2023-11-06 21:55:55,800 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 21:55:55,800 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 21:55:55,827 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 21:55:55,835 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2023-11-06 21:55:55,835 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 21:55:55,836 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:55:55,837 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 21:55:55,841 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 [2023-11-06 21:55:55,854 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 21:55:55,854 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 21:55:55,854 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 21:55:55,854 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 21:55:55,856 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2023-11-06 21:55:55,856 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 21:55:55,856 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 21:55:55,879 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 21:55:55,883 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2023-11-06 21:55:55,884 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 21:55:55,884 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:55:55,885 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 21:55:55,891 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 [2023-11-06 21:55:55,904 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2023-11-06 21:55:55,905 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 21:55:55,905 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 21:55:55,905 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 21:55:55,905 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 21:55:55,909 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 21:55:55,909 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 21:55:55,934 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 21:55:55,939 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2023-11-06 21:55:55,939 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 21:55:55,940 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:55:55,941 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 21:55:55,942 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2023-11-06 21:55:55,943 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 [2023-11-06 21:55:55,953 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 21:55:55,953 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 21:55:55,953 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 21:55:55,953 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 21:55:55,959 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 21:55:55,959 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 21:55:55,970 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 21:55:55,974 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2023-11-06 21:55:55,974 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 21:55:55,974 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:55:55,975 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 21:55:55,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2023-11-06 21:55:55,978 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 [2023-11-06 21:55:55,988 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 21:55:55,989 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 21:55:55,989 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2023-11-06 21:55:55,989 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 21:55:56,002 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2023-11-06 21:55:56,003 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2023-11-06 21:55:56,047 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 21:55:56,055 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2023-11-06 21:55:56,056 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 21:55:56,056 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:55:56,057 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 21:55:56,064 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 [2023-11-06 21:55:56,076 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 21:55:56,076 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 21:55:56,076 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 21:55:56,077 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 21:55:56,078 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2023-11-06 21:55:56,084 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 21:55:56,084 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 21:55:56,098 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-06 21:55:56,119 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2023-11-06 21:55:56,119 INFO L444 ModelExtractionUtils]: 6 out of 16 variables were initially zero. Simplification set additionally 7 variables to zero. [2023-11-06 21:55:56,119 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 21:55:56,119 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:55:56,123 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 21:55:56,132 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-06 21:55:56,144 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2023-11-06 21:55:56,167 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-06 21:55:56,167 INFO L513 LassoAnalysis]: Proved termination. [2023-11-06 21:55:56,168 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc12#1.base)_3, ULTIMATE.start_cstrpbrk_~sc1~0#1.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc12#1.base)_3 - 1*ULTIMATE.start_cstrpbrk_~sc1~0#1.offset Supporting invariants [] [2023-11-06 21:55:56,176 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2023-11-06 21:55:56,242 INFO L156 tatePredicateManager]: 13 out of 14 supporting invariants were superfluous and have been removed [2023-11-06 21:55:56,244 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[#t~malloc12!base] could not be translated [2023-11-06 21:55:56,270 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:55:56,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:56,303 INFO L262 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-06 21:55:56,304 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 21:55:56,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:56,369 INFO L262 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-06 21:55:56,372 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 21:55:56,444 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 21:55:56,445 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 [2023-11-06 21:55:56,446 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 21 states and 26 transitions. cyclomatic complexity: 8 Second operand has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 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) [2023-11-06 21:55:56,514 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 21 states and 26 transitions. cyclomatic complexity: 8. Second operand has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 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 29 states and 36 transitions. Complement of second has 5 states. [2023-11-06 21:55:56,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2023-11-06 21:55:56,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 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) [2023-11-06 21:55:56,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 24 transitions. [2023-11-06 21:55:56,516 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 24 transitions. Stem has 13 letters. Loop has 8 letters. [2023-11-06 21:55:56,516 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 21:55:56,517 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 24 transitions. Stem has 21 letters. Loop has 8 letters. [2023-11-06 21:55:56,517 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 21:55:56,517 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 24 transitions. Stem has 13 letters. Loop has 16 letters. [2023-11-06 21:55:56,518 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 21:55:56,518 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 29 states and 36 transitions. [2023-11-06 21:55:56,519 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-06 21:55:56,519 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 29 states to 26 states and 33 transitions. [2023-11-06 21:55:56,519 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2023-11-06 21:55:56,519 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2023-11-06 21:55:56,520 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 33 transitions. [2023-11-06 21:55:56,520 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-06 21:55:56,520 INFO L218 hiAutomatonCegarLoop]: Abstraction has 26 states and 33 transitions. [2023-11-06 21:55:56,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states and 33 transitions. [2023-11-06 21:55:56,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2023-11-06 21:55:56,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 26 states have (on average 1.2692307692307692) internal successors, (33), 25 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 21:55:56,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 33 transitions. [2023-11-06 21:55:56,523 INFO L240 hiAutomatonCegarLoop]: Abstraction has 26 states and 33 transitions. [2023-11-06 21:55:56,523 INFO L428 stractBuchiCegarLoop]: Abstraction has 26 states and 33 transitions. [2023-11-06 21:55:56,523 INFO L335 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2023-11-06 21:55:56,523 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 26 states and 33 transitions. [2023-11-06 21:55:56,524 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-06 21:55:56,524 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 21:55:56,524 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 21:55:56,525 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 21:55:56,525 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-06 21:55:56,525 INFO L748 eck$LassoCheckResult]: Stem: 771#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 761#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet10#1, main_#t~nondet11#1, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~nondet15#1, main_#t~post14#1, main_~i~0#1, main_#t~nondet17#1, main_#t~post16#1, main_~i~1#1, main_#t~ret18#1.base, main_#t~ret18#1.offset, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc main_#t~nondet10#1;main_~length1~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;havoc main_#t~nondet11#1;main_~length2~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1; 762#L532 assume !(main_~length1~0#1 < 1); 754#L532-2 assume !(main_~length2~0#1 < 1); 752#L535-1 call main_#t~malloc12#1.base, main_#t~malloc12#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc12#1.base, main_#t~malloc12#1.offset;call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;main_~i~0#1 := 0; 753#L541-3 assume !!(main_~i~0#1 < main_~length1~0#1 - 1);havoc main_#t~nondet15#1;call write~int(main_#t~nondet15#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet15#1; 772#L541-2 main_#t~post14#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post14#1;havoc main_#t~post14#1; 773#L541-3 assume !(main_~i~0#1 < main_~length1~0#1 - 1); 763#L541-4 havoc main_~i~0#1;main_~i~1#1 := 0; 757#L546-3 assume !!(main_~i~1#1 < main_~length2~0#1 - 1);havoc main_#t~nondet17#1;call write~int(main_#t~nondet17#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet17#1; 758#L546-2 main_#t~post16#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post16#1;havoc main_#t~post16#1; 759#L546-3 assume !(main_~i~1#1 < main_~length2~0#1 - 1); 760#L546-4 havoc main_~i~1#1;call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrpbrk } true;cstrpbrk_#in~s1#1.base, cstrpbrk_#in~s1#1.offset, cstrpbrk_#in~s2#1.base, cstrpbrk_#in~s2#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrpbrk_#res#1.base, cstrpbrk_#res#1.offset;havoc cstrpbrk_#t~mem4#1, cstrpbrk_#t~post8#1.base, cstrpbrk_#t~post8#1.offset, cstrpbrk_#t~mem5#1, cstrpbrk_#t~mem6#1, cstrpbrk_#t~short7#1, cstrpbrk_#t~mem9#1, cstrpbrk_#t~post2#1.base, cstrpbrk_#t~post2#1.offset, cstrpbrk_#t~mem3#1, cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset, cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset, cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset, cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset, cstrpbrk_~c~0#1;cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset := cstrpbrk_#in~s1#1.base, cstrpbrk_#in~s1#1.offset;cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset := cstrpbrk_#in~s2#1.base, cstrpbrk_#in~s2#1.offset;havoc cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset;havoc cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset;havoc cstrpbrk_~c~0#1;cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset := cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset; 764#L519-4 call cstrpbrk_#t~mem3#1 := read~int(cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset, 1); 774#L519-1 assume !!(0 != cstrpbrk_#t~mem3#1);havoc cstrpbrk_#t~mem3#1;cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset := cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset;call cstrpbrk_#t~mem4#1 := read~int(cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset, 1);cstrpbrk_~c~0#1 := cstrpbrk_#t~mem4#1;havoc cstrpbrk_#t~mem4#1; 766#L522-5 [2023-11-06 21:55:56,526 INFO L750 eck$LassoCheckResult]: Loop: 766#L522-5 call cstrpbrk_#t~mem5#1 := read~int(cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset, 1);cstrpbrk_#t~short7#1 := 0 != cstrpbrk_#t~mem5#1; 776#L522-1 assume cstrpbrk_#t~short7#1;call cstrpbrk_#t~mem6#1 := read~int(cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset, 1);cstrpbrk_#t~short7#1 := cstrpbrk_#t~mem6#1 != (if cstrpbrk_~c~0#1 % 256 <= 127 then cstrpbrk_~c~0#1 % 256 else cstrpbrk_~c~0#1 % 256 - 256); 765#L522-3 assume !!cstrpbrk_#t~short7#1;havoc cstrpbrk_#t~mem5#1;havoc cstrpbrk_#t~mem6#1;havoc cstrpbrk_#t~short7#1;cstrpbrk_#t~post8#1.base, cstrpbrk_#t~post8#1.offset := cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset;cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset := cstrpbrk_#t~post8#1.base, 1 + cstrpbrk_#t~post8#1.offset;havoc cstrpbrk_#t~post8#1.base, cstrpbrk_#t~post8#1.offset; 766#L522-5 [2023-11-06 21:55:56,526 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:55:56,526 INFO L85 PathProgramCache]: Analyzing trace with hash 2055034687, now seen corresponding path program 1 times [2023-11-06 21:55:56,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:55:56,527 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1787434955] [2023-11-06 21:55:56,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:55:56,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:55:56,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 21:55:56,545 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 21:55:56,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 21:55:56,560 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 21:55:56,561 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:55:56,561 INFO L85 PathProgramCache]: Analyzing trace with hash 86496, now seen corresponding path program 1 times [2023-11-06 21:55:56,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:55:56,562 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1418473674] [2023-11-06 21:55:56,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:55:56,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:55:56,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 21:55:56,567 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 21:55:56,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 21:55:56,572 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 21:55:56,572 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:55:56,573 INFO L85 PathProgramCache]: Analyzing trace with hash 1074579938, now seen corresponding path program 1 times [2023-11-06 21:55:56,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:55:56,573 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1174857619] [2023-11-06 21:55:56,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:55:56,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:55:56,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 21:55:56,599 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 21:55:56,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 21:55:56,621 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 21:55:56,787 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2023-11-06 21:55:59,053 INFO L210 LassoAnalysis]: Preferences: [2023-11-06 21:55:59,053 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-06 21:55:59,053 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-06 21:55:59,053 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-06 21:55:59,053 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-06 21:55:59,053 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 21:55:59,053 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-06 21:55:59,053 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-06 21:55:59,053 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrpbrk-alloca-2.i_Iteration8_Lasso [2023-11-06 21:55:59,053 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-06 21:55:59,053 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-06 21:55:59,058 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:55:59,061 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:55:59,063 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:55:59,066 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:55:59,951 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:55:59,954 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:55:59,957 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:55:59,960 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:55:59,963 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:55:59,966 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:55:59,969 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:55:59,972 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:55:59,975 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:55:59,978 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:55:59,982 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:55:59,986 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:55:59,989 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:55:59,992 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:55:59,995 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:55:59,998 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:56:00,001 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:56:00,005 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:56:00,008 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:56:00,012 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:56:00,016 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:56:00,019 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:56:00,022 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:56:00,027 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:56:00,030 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:56:00,038 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:56:01,130 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-06 21:56:01,130 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-06 21:56:01,130 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 21:56:01,130 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:56:01,135 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 21:56:01,139 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 [2023-11-06 21:56:01,152 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2023-11-06 21:56:01,152 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 21:56:01,153 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 21:56:01,153 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 21:56:01,153 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 21:56:01,153 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 21:56:01,154 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 21:56:01,154 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 21:56:01,167 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 21:56:01,170 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2023-11-06 21:56:01,171 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 21:56:01,171 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:56:01,172 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 21:56:01,179 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 [2023-11-06 21:56:01,192 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 21:56:01,192 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 21:56:01,192 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 21:56:01,192 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 21:56:01,192 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 21:56:01,193 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 21:56:01,193 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 21:56:01,195 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2023-11-06 21:56:01,202 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 21:56:01,205 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2023-11-06 21:56:01,205 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 21:56:01,205 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:56:01,207 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 21:56:01,211 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 [2023-11-06 21:56:01,223 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 21:56:01,224 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 21:56:01,224 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 21:56:01,224 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 21:56:01,224 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 21:56:01,224 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 21:56:01,224 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 21:56:01,227 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2023-11-06 21:56:01,233 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 21:56:01,237 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2023-11-06 21:56:01,237 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 21:56:01,237 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:56:01,239 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 21:56:01,245 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2023-11-06 21:56:01,245 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 [2023-11-06 21:56:01,258 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 21:56:01,258 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 21:56:01,258 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 21:56:01,258 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 21:56:01,260 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 21:56:01,260 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 21:56:01,270 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 21:56:01,274 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2023-11-06 21:56:01,274 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 21:56:01,274 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:56:01,275 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 21:56:01,279 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 [2023-11-06 21:56:01,292 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 21:56:01,292 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 21:56:01,292 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 21:56:01,292 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 21:56:01,293 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2023-11-06 21:56:01,298 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 21:56:01,298 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 21:56:01,319 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 21:56:01,322 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2023-11-06 21:56:01,323 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 21:56:01,323 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:56:01,324 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 21:56:01,329 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 [2023-11-06 21:56:01,341 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 21:56:01,341 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 21:56:01,341 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 21:56:01,342 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 21:56:01,343 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2023-11-06 21:56:01,345 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 21:56:01,345 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 21:56:01,371 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 21:56:01,374 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2023-11-06 21:56:01,374 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 21:56:01,375 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:56:01,376 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 21:56:01,379 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 [2023-11-06 21:56:01,392 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 21:56:01,392 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 21:56:01,392 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 21:56:01,392 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 21:56:01,394 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2023-11-06 21:56:01,398 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 21:56:01,398 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 21:56:01,419 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-06 21:56:01,446 INFO L443 ModelExtractionUtils]: Simplification made 11 calls to the SMT solver. [2023-11-06 21:56:01,446 INFO L444 ModelExtractionUtils]: 3 out of 16 variables were initially zero. Simplification set additionally 10 variables to zero. [2023-11-06 21:56:01,446 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 21:56:01,447 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:56:01,448 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 21:56:01,451 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-06 21:56:01,463 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2023-11-06 21:56:01,476 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-06 21:56:01,476 INFO L513 LassoAnalysis]: Proved termination. [2023-11-06 21:56:01,476 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrpbrk_~s~0#1.offset, v_rep(select #length ULTIMATE.start_main_~nondetString2~0#1.base)_3) = -1*ULTIMATE.start_cstrpbrk_~s~0#1.offset + 1*v_rep(select #length ULTIMATE.start_main_~nondetString2~0#1.base)_3 Supporting invariants [] [2023-11-06 21:56:01,480 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2023-11-06 21:56:01,574 INFO L156 tatePredicateManager]: 20 out of 21 supporting invariants were superfluous and have been removed [2023-11-06 21:56:01,576 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[~nondetString2~0!base] could not be translated [2023-11-06 21:56:01,600 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:56:01,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:56:01,630 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-06 21:56:01,631 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 21:56:01,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:56:01,675 INFO L262 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-06 21:56:01,676 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 21:56:01,707 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 21:56:01,707 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 [2023-11-06 21:56:01,708 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 26 states and 33 transitions. cyclomatic complexity: 11 Second operand has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 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) [2023-11-06 21:56:01,776 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 26 states and 33 transitions. cyclomatic complexity: 11. Second operand has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 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) Result 51 states and 61 transitions. Complement of second has 6 states. [2023-11-06 21:56:01,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2023-11-06 21:56:01,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 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) [2023-11-06 21:56:01,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 25 transitions. [2023-11-06 21:56:01,778 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 25 transitions. Stem has 15 letters. Loop has 3 letters. [2023-11-06 21:56:01,778 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 21:56:01,778 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 25 transitions. Stem has 18 letters. Loop has 3 letters. [2023-11-06 21:56:01,778 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 21:56:01,779 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 25 transitions. Stem has 15 letters. Loop has 6 letters. [2023-11-06 21:56:01,779 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 21:56:01,779 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 51 states and 61 transitions. [2023-11-06 21:56:01,780 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-06 21:56:01,780 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 51 states to 38 states and 46 transitions. [2023-11-06 21:56:01,780 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2023-11-06 21:56:01,780 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2023-11-06 21:56:01,780 INFO L73 IsDeterministic]: Start isDeterministic. Operand 38 states and 46 transitions. [2023-11-06 21:56:01,781 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-06 21:56:01,781 INFO L218 hiAutomatonCegarLoop]: Abstraction has 38 states and 46 transitions. [2023-11-06 21:56:01,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states and 46 transitions. [2023-11-06 21:56:01,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 32. [2023-11-06 21:56:01,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 32 states have (on average 1.21875) internal successors, (39), 31 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 21:56:01,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 39 transitions. [2023-11-06 21:56:01,786 INFO L240 hiAutomatonCegarLoop]: Abstraction has 32 states and 39 transitions. [2023-11-06 21:56:01,786 INFO L428 stractBuchiCegarLoop]: Abstraction has 32 states and 39 transitions. [2023-11-06 21:56:01,786 INFO L335 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2023-11-06 21:56:01,786 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 32 states and 39 transitions. [2023-11-06 21:56:01,787 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-06 21:56:01,787 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 21:56:01,787 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 21:56:01,788 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 21:56:01,788 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-06 21:56:01,788 INFO L748 eck$LassoCheckResult]: Stem: 1013#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1004#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet10#1, main_#t~nondet11#1, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~nondet15#1, main_#t~post14#1, main_~i~0#1, main_#t~nondet17#1, main_#t~post16#1, main_~i~1#1, main_#t~ret18#1.base, main_#t~ret18#1.offset, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc main_#t~nondet10#1;main_~length1~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;havoc main_#t~nondet11#1;main_~length2~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1; 1005#L532 assume !(main_~length1~0#1 < 1); 997#L532-2 assume !(main_~length2~0#1 < 1); 995#L535-1 call main_#t~malloc12#1.base, main_#t~malloc12#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc12#1.base, main_#t~malloc12#1.offset;call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;main_~i~0#1 := 0; 996#L541-3 assume !!(main_~i~0#1 < main_~length1~0#1 - 1);havoc main_#t~nondet15#1;call write~int(main_#t~nondet15#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet15#1; 1014#L541-2 main_#t~post14#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post14#1;havoc main_#t~post14#1; 1015#L541-3 assume !(main_~i~0#1 < main_~length1~0#1 - 1); 1006#L541-4 havoc main_~i~0#1;main_~i~1#1 := 0; 1000#L546-3 assume !!(main_~i~1#1 < main_~length2~0#1 - 1);havoc main_#t~nondet17#1;call write~int(main_#t~nondet17#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet17#1; 1001#L546-2 main_#t~post16#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post16#1;havoc main_#t~post16#1; 1002#L546-3 assume !(main_~i~1#1 < main_~length2~0#1 - 1); 1003#L546-4 havoc main_~i~1#1;call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrpbrk } true;cstrpbrk_#in~s1#1.base, cstrpbrk_#in~s1#1.offset, cstrpbrk_#in~s2#1.base, cstrpbrk_#in~s2#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrpbrk_#res#1.base, cstrpbrk_#res#1.offset;havoc cstrpbrk_#t~mem4#1, cstrpbrk_#t~post8#1.base, cstrpbrk_#t~post8#1.offset, cstrpbrk_#t~mem5#1, cstrpbrk_#t~mem6#1, cstrpbrk_#t~short7#1, cstrpbrk_#t~mem9#1, cstrpbrk_#t~post2#1.base, cstrpbrk_#t~post2#1.offset, cstrpbrk_#t~mem3#1, cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset, cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset, cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset, cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset, cstrpbrk_~c~0#1;cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset := cstrpbrk_#in~s1#1.base, cstrpbrk_#in~s1#1.offset;cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset := cstrpbrk_#in~s2#1.base, cstrpbrk_#in~s2#1.offset;havoc cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset;havoc cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset;havoc cstrpbrk_~c~0#1;cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset := cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset; 1007#L519-4 call cstrpbrk_#t~mem3#1 := read~int(cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset, 1); 1016#L519-1 assume !!(0 != cstrpbrk_#t~mem3#1);havoc cstrpbrk_#t~mem3#1;cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset := cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset;call cstrpbrk_#t~mem4#1 := read~int(cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset, 1);cstrpbrk_~c~0#1 := cstrpbrk_#t~mem4#1;havoc cstrpbrk_#t~mem4#1; 1021#L522-5 call cstrpbrk_#t~mem5#1 := read~int(cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset, 1);cstrpbrk_#t~short7#1 := 0 != cstrpbrk_#t~mem5#1; 1020#L522-1 assume cstrpbrk_#t~short7#1;call cstrpbrk_#t~mem6#1 := read~int(cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset, 1);cstrpbrk_#t~short7#1 := cstrpbrk_#t~mem6#1 != (if cstrpbrk_~c~0#1 % 256 <= 127 then cstrpbrk_~c~0#1 % 256 else cstrpbrk_~c~0#1 % 256 - 256); 1010#L522-3 assume !cstrpbrk_#t~short7#1;havoc cstrpbrk_#t~mem5#1;havoc cstrpbrk_#t~mem6#1;havoc cstrpbrk_#t~short7#1; 998#L522-6 call cstrpbrk_#t~mem9#1 := read~int(cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset, 1); 999#L524 assume !(cstrpbrk_#t~mem9#1 != cstrpbrk_~c~0#1);havoc cstrpbrk_#t~mem9#1; 1011#L519-3 cstrpbrk_#t~post2#1.base, cstrpbrk_#t~post2#1.offset := cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset;cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset := cstrpbrk_#t~post2#1.base, 1 + cstrpbrk_#t~post2#1.offset;havoc cstrpbrk_#t~post2#1.base, cstrpbrk_#t~post2#1.offset; 1012#L519-4 call cstrpbrk_#t~mem3#1 := read~int(cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset, 1); 1017#L519-1 assume !!(0 != cstrpbrk_#t~mem3#1);havoc cstrpbrk_#t~mem3#1;cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset := cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset;call cstrpbrk_#t~mem4#1 := read~int(cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset, 1);cstrpbrk_~c~0#1 := cstrpbrk_#t~mem4#1;havoc cstrpbrk_#t~mem4#1; 1009#L522-5 [2023-11-06 21:56:01,788 INFO L750 eck$LassoCheckResult]: Loop: 1009#L522-5 call cstrpbrk_#t~mem5#1 := read~int(cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset, 1);cstrpbrk_#t~short7#1 := 0 != cstrpbrk_#t~mem5#1; 1019#L522-1 assume cstrpbrk_#t~short7#1;call cstrpbrk_#t~mem6#1 := read~int(cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset, 1);cstrpbrk_#t~short7#1 := cstrpbrk_#t~mem6#1 != (if cstrpbrk_~c~0#1 % 256 <= 127 then cstrpbrk_~c~0#1 % 256 else cstrpbrk_~c~0#1 % 256 - 256); 1008#L522-3 assume !!cstrpbrk_#t~short7#1;havoc cstrpbrk_#t~mem5#1;havoc cstrpbrk_#t~mem6#1;havoc cstrpbrk_#t~short7#1;cstrpbrk_#t~post8#1.base, cstrpbrk_#t~post8#1.offset := cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset;cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset := cstrpbrk_#t~post8#1.base, 1 + cstrpbrk_#t~post8#1.offset;havoc cstrpbrk_#t~post8#1.base, cstrpbrk_#t~post8#1.offset; 1009#L522-5 [2023-11-06 21:56:01,789 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:56:01,789 INFO L85 PathProgramCache]: Analyzing trace with hash 1742810479, now seen corresponding path program 2 times [2023-11-06 21:56:01,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:56:01,789 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1437519220] [2023-11-06 21:56:01,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:56:01,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:56:01,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:56:02,200 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2023-11-06 21:56:02,301 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-06 21:56:02,301 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 21:56:02,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1437519220] [2023-11-06 21:56:02,301 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1437519220] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 21:56:02,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [346936795] [2023-11-06 21:56:02,301 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-06 21:56:02,302 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 21:56:02,302 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:56:02,303 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 21:56:02,323 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (49)] Waiting until timeout for monitored process [2023-11-06 21:56:02,407 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-06 21:56:02,407 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-06 21:56:02,409 INFO L262 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 34 conjunts are in the unsatisfiable core [2023-11-06 21:56:02,412 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 21:56:02,442 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2023-11-06 21:56:02,591 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 18 [2023-11-06 21:56:02,598 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2023-11-06 21:56:02,717 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-06 21:56:02,717 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 21:56:02,814 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 21:56:02,814 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 24 [2023-11-06 21:56:02,824 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 21:56:02,825 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 36 [2023-11-06 21:56:02,833 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-06 21:56:03,144 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-06 21:56:03,144 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [346936795] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 21:56:03,144 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-06 21:56:03,145 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9, 9] total 21 [2023-11-06 21:56:03,145 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1881784452] [2023-11-06 21:56:03,145 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-06 21:56:03,145 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-06 21:56:03,146 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:56:03,146 INFO L85 PathProgramCache]: Analyzing trace with hash 86496, now seen corresponding path program 2 times [2023-11-06 21:56:03,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:56:03,146 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [505653029] [2023-11-06 21:56:03,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:56:03,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:56:03,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 21:56:03,151 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 21:56:03,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 21:56:03,154 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 21:56:03,282 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 21:56:03,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2023-11-06 21:56:03,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=385, Unknown=0, NotChecked=0, Total=462 [2023-11-06 21:56:03,284 INFO L87 Difference]: Start difference. First operand 32 states and 39 transitions. cyclomatic complexity: 12 Second operand has 22 states, 21 states have (on average 2.5238095238095237) internal successors, (53), 22 states have internal predecessors, (53), 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) [2023-11-06 21:56:03,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 21:56:03,574 INFO L93 Difference]: Finished difference Result 53 states and 62 transitions. [2023-11-06 21:56:03,574 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 53 states and 62 transitions. [2023-11-06 21:56:03,576 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-06 21:56:03,579 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 53 states to 35 states and 42 transitions. [2023-11-06 21:56:03,579 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2023-11-06 21:56:03,579 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2023-11-06 21:56:03,579 INFO L73 IsDeterministic]: Start isDeterministic. Operand 35 states and 42 transitions. [2023-11-06 21:56:03,579 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-06 21:56:03,579 INFO L218 hiAutomatonCegarLoop]: Abstraction has 35 states and 42 transitions. [2023-11-06 21:56:03,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states and 42 transitions. [2023-11-06 21:56:03,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 34. [2023-11-06 21:56:03,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 34 states have (on average 1.2058823529411764) internal successors, (41), 33 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 21:56:03,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 41 transitions. [2023-11-06 21:56:03,585 INFO L240 hiAutomatonCegarLoop]: Abstraction has 34 states and 41 transitions. [2023-11-06 21:56:03,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-06 21:56:03,587 INFO L428 stractBuchiCegarLoop]: Abstraction has 34 states and 41 transitions. [2023-11-06 21:56:03,589 INFO L335 stractBuchiCegarLoop]: ======== Iteration 10 ============ [2023-11-06 21:56:03,589 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 34 states and 41 transitions. [2023-11-06 21:56:03,589 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-06 21:56:03,589 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 21:56:03,590 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 21:56:03,590 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 21:56:03,591 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-06 21:56:03,591 INFO L748 eck$LassoCheckResult]: Stem: 1266#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1256#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet10#1, main_#t~nondet11#1, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~nondet15#1, main_#t~post14#1, main_~i~0#1, main_#t~nondet17#1, main_#t~post16#1, main_~i~1#1, main_#t~ret18#1.base, main_#t~ret18#1.offset, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc main_#t~nondet10#1;main_~length1~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;havoc main_#t~nondet11#1;main_~length2~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1; 1257#L532 assume !(main_~length1~0#1 < 1); 1249#L532-2 assume !(main_~length2~0#1 < 1); 1247#L535-1 call main_#t~malloc12#1.base, main_#t~malloc12#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc12#1.base, main_#t~malloc12#1.offset;call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 4294967296);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;main_~i~0#1 := 0; 1248#L541-3 assume !!(main_~i~0#1 < main_~length1~0#1 - 1);havoc main_#t~nondet15#1;call write~int(main_#t~nondet15#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet15#1; 1267#L541-2 main_#t~post14#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post14#1;havoc main_#t~post14#1; 1268#L541-3 assume !!(main_~i~0#1 < main_~length1~0#1 - 1);havoc main_#t~nondet15#1;call write~int(main_#t~nondet15#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet15#1; 1269#L541-2 main_#t~post14#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post14#1;havoc main_#t~post14#1; 1277#L541-3 assume !(main_~i~0#1 < main_~length1~0#1 - 1); 1258#L541-4 havoc main_~i~0#1;main_~i~1#1 := 0; 1252#L546-3 assume !!(main_~i~1#1 < main_~length2~0#1 - 1);havoc main_#t~nondet17#1;call write~int(main_#t~nondet17#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet17#1; 1253#L546-2 main_#t~post16#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post16#1;havoc main_#t~post16#1; 1254#L546-3 assume !(main_~i~1#1 < main_~length2~0#1 - 1); 1255#L546-4 havoc main_~i~1#1;call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrpbrk } true;cstrpbrk_#in~s1#1.base, cstrpbrk_#in~s1#1.offset, cstrpbrk_#in~s2#1.base, cstrpbrk_#in~s2#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrpbrk_#res#1.base, cstrpbrk_#res#1.offset;havoc cstrpbrk_#t~mem4#1, cstrpbrk_#t~post8#1.base, cstrpbrk_#t~post8#1.offset, cstrpbrk_#t~mem5#1, cstrpbrk_#t~mem6#1, cstrpbrk_#t~short7#1, cstrpbrk_#t~mem9#1, cstrpbrk_#t~post2#1.base, cstrpbrk_#t~post2#1.offset, cstrpbrk_#t~mem3#1, cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset, cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset, cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset, cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset, cstrpbrk_~c~0#1;cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset := cstrpbrk_#in~s1#1.base, cstrpbrk_#in~s1#1.offset;cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset := cstrpbrk_#in~s2#1.base, cstrpbrk_#in~s2#1.offset;havoc cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset;havoc cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset;havoc cstrpbrk_~c~0#1;cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset := cstrpbrk_~s1#1.base, cstrpbrk_~s1#1.offset; 1259#L519-4 call cstrpbrk_#t~mem3#1 := read~int(cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset, 1); 1270#L519-1 assume !!(0 != cstrpbrk_#t~mem3#1);havoc cstrpbrk_#t~mem3#1;cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset := cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset;call cstrpbrk_#t~mem4#1 := read~int(cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset, 1);cstrpbrk_~c~0#1 := cstrpbrk_#t~mem4#1;havoc cstrpbrk_#t~mem4#1; 1263#L522-5 call cstrpbrk_#t~mem5#1 := read~int(cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset, 1);cstrpbrk_#t~short7#1 := 0 != cstrpbrk_#t~mem5#1; 1280#L522-1 assume cstrpbrk_#t~short7#1;call cstrpbrk_#t~mem6#1 := read~int(cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset, 1);cstrpbrk_#t~short7#1 := cstrpbrk_#t~mem6#1 != (if cstrpbrk_~c~0#1 % 256 <= 127 then cstrpbrk_~c~0#1 % 256 else cstrpbrk_~c~0#1 % 256 - 256); 1278#L522-3 assume !cstrpbrk_#t~short7#1;havoc cstrpbrk_#t~mem5#1;havoc cstrpbrk_#t~mem6#1;havoc cstrpbrk_#t~short7#1; 1250#L522-6 call cstrpbrk_#t~mem9#1 := read~int(cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset, 1); 1251#L524 assume !(cstrpbrk_#t~mem9#1 != cstrpbrk_~c~0#1);havoc cstrpbrk_#t~mem9#1; 1264#L519-3 cstrpbrk_#t~post2#1.base, cstrpbrk_#t~post2#1.offset := cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset;cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset := cstrpbrk_#t~post2#1.base, 1 + cstrpbrk_#t~post2#1.offset;havoc cstrpbrk_#t~post2#1.base, cstrpbrk_#t~post2#1.offset; 1265#L519-4 call cstrpbrk_#t~mem3#1 := read~int(cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset, 1); 1271#L519-1 assume !!(0 != cstrpbrk_#t~mem3#1);havoc cstrpbrk_#t~mem3#1;cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset := cstrpbrk_~s2#1.base, cstrpbrk_~s2#1.offset;call cstrpbrk_#t~mem4#1 := read~int(cstrpbrk_~sc1~0#1.base, cstrpbrk_~sc1~0#1.offset, 1);cstrpbrk_~c~0#1 := cstrpbrk_#t~mem4#1;havoc cstrpbrk_#t~mem4#1; 1261#L522-5 [2023-11-06 21:56:03,593 INFO L750 eck$LassoCheckResult]: Loop: 1261#L522-5 call cstrpbrk_#t~mem5#1 := read~int(cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset, 1);cstrpbrk_#t~short7#1 := 0 != cstrpbrk_#t~mem5#1; 1273#L522-1 assume cstrpbrk_#t~short7#1;call cstrpbrk_#t~mem6#1 := read~int(cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset, 1);cstrpbrk_#t~short7#1 := cstrpbrk_#t~mem6#1 != (if cstrpbrk_~c~0#1 % 256 <= 127 then cstrpbrk_~c~0#1 % 256 else cstrpbrk_~c~0#1 % 256 - 256); 1260#L522-3 assume !!cstrpbrk_#t~short7#1;havoc cstrpbrk_#t~mem5#1;havoc cstrpbrk_#t~mem6#1;havoc cstrpbrk_#t~short7#1;cstrpbrk_#t~post8#1.base, cstrpbrk_#t~post8#1.offset := cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset;cstrpbrk_~s~0#1.base, cstrpbrk_~s~0#1.offset := cstrpbrk_#t~post8#1.base, 1 + cstrpbrk_#t~post8#1.offset;havoc cstrpbrk_#t~post8#1.base, cstrpbrk_#t~post8#1.offset; 1261#L522-5 [2023-11-06 21:56:03,593 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:56:03,594 INFO L85 PathProgramCache]: Analyzing trace with hash -1365761455, now seen corresponding path program 3 times [2023-11-06 21:56:03,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:56:03,595 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1567482832] [2023-11-06 21:56:03,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:56:03,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:56:03,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 21:56:03,638 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 21:56:03,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 21:56:03,681 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 21:56:03,684 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:56:03,685 INFO L85 PathProgramCache]: Analyzing trace with hash 86496, now seen corresponding path program 3 times [2023-11-06 21:56:03,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:56:03,685 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1223474655] [2023-11-06 21:56:03,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:56:03,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:56:03,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 21:56:03,689 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 21:56:03,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 21:56:03,693 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 21:56:03,694 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:56:03,694 INFO L85 PathProgramCache]: Analyzing trace with hash -1174254192, now seen corresponding path program 1 times [2023-11-06 21:56:03,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:56:03,694 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [446987638] [2023-11-06 21:56:03,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:56:03,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:56:03,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 21:56:03,740 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 21:56:03,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 21:56:03,766 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 21:56:07,257 INFO L210 LassoAnalysis]: Preferences: [2023-11-06 21:56:07,257 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-06 21:56:07,257 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-06 21:56:07,257 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-06 21:56:07,257 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-06 21:56:07,257 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 21:56:07,257 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-06 21:56:07,257 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-06 21:56:07,257 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrpbrk-alloca-2.i_Iteration10_Lasso [2023-11-06 21:56:07,258 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-06 21:56:07,258 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-06 21:56:07,262 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:56:07,269 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:56:07,273 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:56:07,277 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:56:07,280 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:56:07,283 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:56:07,285 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:56:07,287 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:56:07,289 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:56:07,291 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:56:07,293 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:56:07,295 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:56:07,297 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:56:07,299 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:56:07,302 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:56:07,304 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:56:07,306 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:56:07,309 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:56:07,312 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:56:07,315 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:56:07,317 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:56:07,320 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:56:07,327 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:56:07,330 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:56:07,331 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:56:07,334 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:56:07,336 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:56:08,305 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:56:08,308 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:56:08,311 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:56:08,313 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:56:08,315 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:56:08,317 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:56:08,328 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:56:08,331 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 21:56:10,001 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-06 21:56:10,001 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-06 21:56:10,001 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 21:56:10,001 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:56:10,007 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 21:56:10,016 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 [2023-11-06 21:56:10,027 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2023-11-06 21:56:10,027 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 21:56:10,027 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 21:56:10,028 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 21:56:10,028 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 21:56:10,028 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 21:56:10,028 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 21:56:10,028 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 21:56:10,032 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 21:56:10,035 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2023-11-06 21:56:10,035 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 21:56:10,035 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:56:10,036 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 21:56:10,044 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 [2023-11-06 21:56:10,055 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2023-11-06 21:56:10,055 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 21:56:10,055 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 21:56:10,055 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 21:56:10,055 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 21:56:10,055 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 21:56:10,056 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 21:56:10,056 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 21:56:10,071 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 21:56:10,074 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2023-11-06 21:56:10,074 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 21:56:10,074 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:56:10,075 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 21:56:10,082 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 [2023-11-06 21:56:10,094 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 21:56:10,095 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 21:56:10,095 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 21:56:10,095 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 21:56:10,096 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 21:56:10,096 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 21:56:10,097 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2023-11-06 21:56:10,115 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 21:56:10,118 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2023-11-06 21:56:10,119 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 21:56:10,119 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:56:10,120 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 21:56:10,124 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2023-11-06 21:56:10,124 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 [2023-11-06 21:56:10,136 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 21:56:10,137 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 21:56:10,137 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 21:56:10,137 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 21:56:10,137 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 21:56:10,138 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 21:56:10,138 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 21:56:10,147 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 21:56:10,149 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Forceful destruction successful, exit code 0 [2023-11-06 21:56:10,150 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 21:56:10,150 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:56:10,151 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 21:56:10,154 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2023-11-06 21:56:10,154 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 [2023-11-06 21:56:10,164 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 21:56:10,164 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 21:56:10,164 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 21:56:10,164 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 21:56:10,164 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 21:56:10,165 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 21:56:10,165 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 21:56:10,166 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 21:56:10,168 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Ended with exit code 0 [2023-11-06 21:56:10,168 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 21:56:10,168 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:56:10,169 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 21:56:10,171 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2023-11-06 21:56:10,172 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 21:56:10,181 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 21:56:10,182 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 21:56:10,182 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 21:56:10,182 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 21:56:10,182 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 21:56:10,182 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 21:56:10,182 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 21:56:10,184 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 21:56:10,187 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Ended with exit code 0 [2023-11-06 21:56:10,187 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 21:56:10,188 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:56:10,188 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 21:56:10,189 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2023-11-06 21:56:10,191 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 [2023-11-06 21:56:10,200 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 21:56:10,201 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 21:56:10,201 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 21:56:10,201 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 21:56:10,201 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 21:56:10,201 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 21:56:10,201 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 21:56:10,203 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 21:56:10,205 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Ended with exit code 0 [2023-11-06 21:56:10,205 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 21:56:10,205 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:56:10,206 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 21:56:10,208 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2023-11-06 21:56:10,208 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 [2023-11-06 21:56:10,218 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 21:56:10,218 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 21:56:10,218 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 21:56:10,219 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 21:56:10,219 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 21:56:10,219 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 21:56:10,219 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 21:56:10,220 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 21:56:10,223 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Ended with exit code 0 [2023-11-06 21:56:10,223 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 21:56:10,223 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:56:10,224 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 21:56:10,225 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2023-11-06 21:56:10,226 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 [2023-11-06 21:56:10,236 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 21:56:10,236 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 21:56:10,236 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 21:56:10,236 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 21:56:10,237 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 21:56:10,237 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 21:56:10,237 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 21:56:10,238 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 21:56:10,240 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Ended with exit code 0 [2023-11-06 21:56:10,241 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 21:56:10,241 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:56:10,242 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 21:56:10,243 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2023-11-06 21:56:10,244 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 21:56:10,254 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 21:56:10,254 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 21:56:10,254 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 21:56:10,254 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 21:56:10,254 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 21:56:10,254 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 21:56:10,255 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 21:56:10,256 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 21:56:10,258 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Forceful destruction successful, exit code 0 [2023-11-06 21:56:10,258 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 21:56:10,259 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:56:10,259 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 21:56:10,260 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2023-11-06 21:56:10,262 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 [2023-11-06 21:56:10,272 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 21:56:10,272 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 21:56:10,272 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 21:56:10,272 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 21:56:10,272 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 21:56:10,272 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 21:56:10,272 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 21:56:10,274 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 21:56:10,276 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Ended with exit code 0 [2023-11-06 21:56:10,277 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 21:56:10,277 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:56:10,277 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 21:56:10,286 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2023-11-06 21:56:10,287 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 [2023-11-06 21:56:10,297 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 21:56:10,297 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 21:56:10,297 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 21:56:10,297 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 21:56:10,297 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 21:56:10,297 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 21:56:10,297 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 21:56:10,299 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 21:56:10,303 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Forceful destruction successful, exit code 0 [2023-11-06 21:56:10,303 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 21:56:10,303 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:56:10,304 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 21:56:10,306 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2023-11-06 21:56:10,307 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 [2023-11-06 21:56:10,316 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 21:56:10,317 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 21:56:10,317 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 21:56:10,317 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 21:56:10,317 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 21:56:10,317 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 21:56:10,317 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 21:56:10,318 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 21:56:10,321 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Forceful destruction successful, exit code 0 [2023-11-06 21:56:10,321 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 21:56:10,321 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:56:10,323 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 21:56:10,324 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2023-11-06 21:56:10,325 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 [2023-11-06 21:56:10,335 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 21:56:10,335 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 21:56:10,335 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 21:56:10,335 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 21:56:10,335 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 21:56:10,336 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 21:56:10,336 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 21:56:10,337 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 21:56:10,339 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Forceful destruction successful, exit code 0 [2023-11-06 21:56:10,340 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 21:56:10,340 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:56:10,341 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 21:56:10,343 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2023-11-06 21:56:10,343 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 [2023-11-06 21:56:10,353 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 21:56:10,353 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 21:56:10,353 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 21:56:10,353 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 21:56:10,353 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 21:56:10,354 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 21:56:10,354 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 21:56:10,355 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 21:56:10,357 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Ended with exit code 0 [2023-11-06 21:56:10,358 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 21:56:10,358 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:56:10,358 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 21:56:10,360 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2023-11-06 21:56:10,361 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 [2023-11-06 21:56:10,371 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 21:56:10,371 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 21:56:10,371 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 21:56:10,371 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 21:56:10,371 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 21:56:10,372 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 21:56:10,372 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 21:56:10,373 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 21:56:10,376 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Ended with exit code 0 [2023-11-06 21:56:10,376 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 21:56:10,376 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:56:10,377 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 21:56:10,380 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2023-11-06 21:56:10,380 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 [2023-11-06 21:56:10,390 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 21:56:10,391 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 21:56:10,391 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 21:56:10,391 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 21:56:10,391 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 21:56:10,391 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 21:56:10,391 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 21:56:10,392 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 21:56:10,395 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Ended with exit code 0 [2023-11-06 21:56:10,395 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 21:56:10,395 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:56:10,396 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 21:56:10,397 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2023-11-06 21:56:10,398 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 [2023-11-06 21:56:10,408 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 21:56:10,408 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 21:56:10,408 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 21:56:10,408 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 21:56:10,408 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 21:56:10,409 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 21:56:10,409 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 21:56:10,410 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 21:56:10,412 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Ended with exit code 0 [2023-11-06 21:56:10,413 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 21:56:10,413 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:56:10,414 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 21:56:10,415 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2023-11-06 21:56:10,416 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 [2023-11-06 21:56:10,427 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 21:56:10,428 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 21:56:10,428 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 21:56:10,428 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 21:56:10,429 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 21:56:10,429 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 21:56:10,455 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 21:56:10,460 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Forceful destruction successful, exit code 0 [2023-11-06 21:56:10,460 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 21:56:10,460 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:56:10,461 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 21:56:10,467 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2023-11-06 21:56:10,468 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 21:56:10,480 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 21:56:10,480 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 21:56:10,480 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 21:56:10,480 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 21:56:10,481 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 21:56:10,481 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 21:56:10,481 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 21:56:10,495 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 21:56:10,500 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Forceful destruction successful, exit code 0 [2023-11-06 21:56:10,500 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 21:56:10,500 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:56:10,501 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 21:56:10,507 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 [2023-11-06 21:56:10,519 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 21:56:10,519 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 21:56:10,520 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 21:56:10,520 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 21:56:10,521 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 21:56:10,521 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 21:56:10,522 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2023-11-06 21:56:10,543 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 21:56:10,546 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Forceful destruction successful, exit code 0 [2023-11-06 21:56:10,546 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 21:56:10,547 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:56:10,548 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 21:56:10,552 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 [2023-11-06 21:56:10,564 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 21:56:10,564 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 21:56:10,565 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 21:56:10,565 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 21:56:10,565 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2023-11-06 21:56:10,566 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 21:56:10,566 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 21:56:10,569 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 21:56:10,571 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Ended with exit code 0 [2023-11-06 21:56:10,572 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 21:56:10,572 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:56:10,573 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 21:56:10,573 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2023-11-06 21:56:10,575 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 [2023-11-06 21:56:10,585 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 21:56:10,585 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 21:56:10,585 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 21:56:10,585 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 21:56:10,588 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 21:56:10,589 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 21:56:10,592 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 21:56:10,594 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Forceful destruction successful, exit code 0 [2023-11-06 21:56:10,595 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 21:56:10,595 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:56:10,595 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 21:56:10,597 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2023-11-06 21:56:10,598 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 [2023-11-06 21:56:10,608 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 21:56:10,608 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 21:56:10,608 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 21:56:10,608 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 21:56:10,609 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 21:56:10,609 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 21:56:10,609 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 21:56:10,610 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 21:56:10,612 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Ended with exit code 0 [2023-11-06 21:56:10,615 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 21:56:10,615 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:56:10,616 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 21:56:10,616 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2023-11-06 21:56:10,618 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 [2023-11-06 21:56:10,628 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 21:56:10,628 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 21:56:10,628 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 21:56:10,628 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 21:56:10,629 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 21:56:10,629 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 21:56:10,633 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 21:56:10,635 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Ended with exit code 0 [2023-11-06 21:56:10,635 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 21:56:10,635 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:56:10,636 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 21:56:10,638 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2023-11-06 21:56:10,638 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 [2023-11-06 21:56:10,648 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 21:56:10,648 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 21:56:10,648 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 21:56:10,648 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 21:56:10,649 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 21:56:10,650 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 21:56:10,653 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 21:56:10,656 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Forceful destruction successful, exit code 0 [2023-11-06 21:56:10,656 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 21:56:10,656 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:56:10,657 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 21:56:10,658 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Waiting until timeout for monitored process [2023-11-06 21:56:10,659 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 [2023-11-06 21:56:10,669 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 21:56:10,669 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 21:56:10,669 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 21:56:10,670 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 21:56:10,674 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 21:56:10,674 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 21:56:10,681 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 21:56:10,683 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Ended with exit code 0 [2023-11-06 21:56:10,683 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 21:56:10,683 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:56:10,684 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 21:56:10,686 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Waiting until timeout for monitored process [2023-11-06 21:56:10,686 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 [2023-11-06 21:56:10,696 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 21:56:10,696 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 21:56:10,696 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 21:56:10,697 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 21:56:10,698 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 21:56:10,698 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 21:56:10,715 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 21:56:10,717 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Ended with exit code 0 [2023-11-06 21:56:10,718 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 21:56:10,718 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:56:10,718 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 21:56:10,719 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Waiting until timeout for monitored process [2023-11-06 21:56:10,721 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 [2023-11-06 21:56:10,731 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 21:56:10,732 INFO L203 nArgumentSynthesizer]: 4 stem disjuncts [2023-11-06 21:56:10,732 INFO L204 nArgumentSynthesizer]: 6 loop disjuncts [2023-11-06 21:56:10,732 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 21:56:10,912 INFO L401 nArgumentSynthesizer]: We have 132 Motzkin's Theorem applications. [2023-11-06 21:56:10,912 INFO L402 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2023-11-06 21:56:11,331 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 21:56:11,338 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Forceful destruction successful, exit code 0 [2023-11-06 21:56:11,338 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 21:56:11,338 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:56:11,339 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 21:56:11,343 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 [2023-11-06 21:56:11,356 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Waiting until timeout for monitored process [2023-11-06 21:56:11,357 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 21:56:11,357 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 21:56:11,357 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 21:56:11,357 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 21:56:11,366 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 21:56:11,366 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 21:56:11,382 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 21:56:11,385 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Forceful destruction successful, exit code 0 [2023-11-06 21:56:11,385 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 21:56:11,385 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:56:11,386 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 21:56:11,388 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Waiting until timeout for monitored process [2023-11-06 21:56:11,389 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 [2023-11-06 21:56:11,399 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 21:56:11,399 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 21:56:11,399 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 21:56:11,399 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 21:56:11,402 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 21:56:11,402 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 21:56:11,408 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 21:56:11,411 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Ended with exit code 0 [2023-11-06 21:56:11,411 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 21:56:11,411 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:56:11,412 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 21:56:11,414 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Waiting until timeout for monitored process [2023-11-06 21:56:11,414 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 [2023-11-06 21:56:11,424 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 21:56:11,424 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 21:56:11,425 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 21:56:11,425 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 21:56:11,430 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 21:56:11,430 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 21:56:11,456 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-06 21:56:11,481 INFO L443 ModelExtractionUtils]: Simplification made 13 calls to the SMT solver. [2023-11-06 21:56:11,481 INFO L444 ModelExtractionUtils]: 4 out of 16 variables were initially zero. Simplification set additionally 9 variables to zero. [2023-11-06 21:56:11,481 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 21:56:11,482 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:56:11,482 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 21:56:11,485 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Waiting until timeout for monitored process [2023-11-06 21:56:11,485 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-06 21:56:11,496 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-06 21:56:11,496 INFO L513 LassoAnalysis]: Proved termination. [2023-11-06 21:56:11,496 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_cstrpbrk_~s~0#1.base)_3, ULTIMATE.start_cstrpbrk_~s~0#1.offset) = 1*v_rep(select #length ULTIMATE.start_cstrpbrk_~s~0#1.base)_3 - 1*ULTIMATE.start_cstrpbrk_~s~0#1.offset Supporting invariants [] [2023-11-06 21:56:11,504 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Ended with exit code 0 [2023-11-06 21:56:11,608 INFO L156 tatePredicateManager]: 22 out of 22 supporting invariants were superfluous and have been removed [2023-11-06 21:56:11,610 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[~s~0!base] could not be translated [2023-11-06 21:56:11,623 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:56:11,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:56:11,672 INFO L262 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-06 21:56:11,673 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 21:56:11,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:56:11,720 INFO L262 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-06 21:56:11,721 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 21:56:11,742 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 21:56:11,743 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 [2023-11-06 21:56:11,743 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 34 states and 41 transitions. cyclomatic complexity: 12 Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 21:56:11,779 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 34 states and 41 transitions. cyclomatic complexity: 12. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 50 states and 58 transitions. Complement of second has 5 states. [2023-11-06 21:56:11,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2023-11-06 21:56:11,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 21:56:11,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 25 transitions. [2023-11-06 21:56:11,780 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 25 transitions. Stem has 25 letters. Loop has 3 letters. [2023-11-06 21:56:11,783 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 21:56:11,783 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-11-06 21:56:11,796 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:56:11,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:56:11,840 INFO L262 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-06 21:56:11,842 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 21:56:11,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:56:11,885 INFO L262 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-06 21:56:11,886 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 21:56:11,906 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 21:56:11,906 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 2 loop predicates [2023-11-06 21:56:11,907 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 34 states and 41 transitions. cyclomatic complexity: 12 Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 21:56:11,934 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 34 states and 41 transitions. cyclomatic complexity: 12. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 50 states and 58 transitions. Complement of second has 5 states. [2023-11-06 21:56:11,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2023-11-06 21:56:11,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 21:56:11,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 25 transitions. [2023-11-06 21:56:11,935 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 25 transitions. Stem has 25 letters. Loop has 3 letters. [2023-11-06 21:56:11,936 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 21:56:11,936 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-11-06 21:56:11,949 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:56:12,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:56:12,045 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Forceful destruction successful, exit code 0 [2023-11-06 21:56:12,047 INFO L262 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-06 21:56:12,048 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 21:56:12,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:56:12,091 INFO L262 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-06 21:56:12,092 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 21:56:12,120 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 21:56:12,121 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2023-11-06 21:56:12,121 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 34 states and 41 transitions. cyclomatic complexity: 12 Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 21:56:12,147 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 34 states and 41 transitions. cyclomatic complexity: 12. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 49 states and 58 transitions. Complement of second has 4 states. [2023-11-06 21:56:12,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2023-11-06 21:56:12,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 21:56:12,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 33 transitions. [2023-11-06 21:56:12,150 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 33 transitions. Stem has 25 letters. Loop has 3 letters. [2023-11-06 21:56:12,150 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 21:56:12,150 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 33 transitions. Stem has 28 letters. Loop has 3 letters. [2023-11-06 21:56:12,151 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 21:56:12,151 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 33 transitions. Stem has 25 letters. Loop has 6 letters. [2023-11-06 21:56:12,151 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 21:56:12,151 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 49 states and 58 transitions. [2023-11-06 21:56:12,152 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-06 21:56:12,152 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 49 states to 0 states and 0 transitions. [2023-11-06 21:56:12,153 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-11-06 21:56:12,153 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-11-06 21:56:12,153 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-11-06 21:56:12,153 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 21:56:12,153 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-06 21:56:12,153 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-06 21:56:12,153 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-06 21:56:12,153 INFO L335 stractBuchiCegarLoop]: ======== Iteration 11 ============ [2023-11-06 21:56:12,153 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-11-06 21:56:12,154 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-06 21:56:12,154 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-11-06 21:56:12,160 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 06.11 09:56:12 BoogieIcfgContainer [2023-11-06 21:56:12,160 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-06 21:56:12,161 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 21:56:12,161 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 21:56:12,161 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 21:56:12,162 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:55:44" (3/4) ... [2023-11-06 21:56:12,164 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-06 21:56:12,165 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 21:56:12,165 INFO L158 Benchmark]: Toolchain (without parser) took 28608.00ms. Allocated memory was 157.3MB in the beginning and 272.6MB in the end (delta: 115.3MB). Free memory was 117.5MB in the beginning and 219.6MB in the end (delta: -102.1MB). Peak memory consumption was 12.4MB. Max. memory is 16.1GB. [2023-11-06 21:56:12,166 INFO L158 Benchmark]: CDTParser took 0.56ms. Allocated memory is still 121.6MB. Free memory is still 87.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 21:56:12,166 INFO L158 Benchmark]: CACSL2BoogieTranslator took 529.88ms. Allocated memory is still 157.3MB. Free memory was 117.3MB in the beginning and 114.6MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-06 21:56:12,166 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.45ms. Allocated memory is still 157.3MB. Free memory was 114.6MB in the beginning and 112.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 21:56:12,167 INFO L158 Benchmark]: Boogie Preprocessor took 59.82ms. Allocated memory is still 157.3MB. Free memory was 112.5MB in the beginning and 111.2MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 21:56:12,167 INFO L158 Benchmark]: RCFGBuilder took 547.95ms. Allocated memory is still 157.3MB. Free memory was 111.0MB in the beginning and 97.5MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-06 21:56:12,168 INFO L158 Benchmark]: BuchiAutomizer took 27408.16ms. Allocated memory was 157.3MB in the beginning and 272.6MB in the end (delta: 115.3MB). Free memory was 97.2MB in the beginning and 219.6MB in the end (delta: -122.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 21:56:12,168 INFO L158 Benchmark]: Witness Printer took 4.11ms. Allocated memory is still 272.6MB. Free memory is still 219.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 21:56:12,170 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.56ms. Allocated memory is still 121.6MB. Free memory is still 87.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 529.88ms. Allocated memory is still 157.3MB. Free memory was 117.3MB in the beginning and 114.6MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.45ms. Allocated memory is still 157.3MB. Free memory was 114.6MB in the beginning and 112.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 59.82ms. Allocated memory is still 157.3MB. Free memory was 112.5MB in the beginning and 111.2MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 547.95ms. Allocated memory is still 157.3MB. Free memory was 111.0MB in the beginning and 97.5MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 27408.16ms. Allocated memory was 157.3MB in the beginning and 272.6MB in the end (delta: 115.3MB). Free memory was 97.2MB in the beginning and 219.6MB in the end (delta: -122.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.11ms. Allocated memory is still 272.6MB. Free memory is still 219.6MB. 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~malloc12!base] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[~nondetString2~0!base] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[#t~malloc12!base] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[~nondetString2~0!base] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[~s~0!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 10 terminating modules (5 trivial, 4 deterministic, 1 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 6 locations. One deterministic module has affine ranking function NULL and consists of 4 locations. One deterministic module has affine ranking function NULL and consists of 4 locations. One nondeterministic module has affine ranking function NULL and consists of 3 locations. 5 modules have a trivial ranking function, the largest among these consists of 22 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 27.3s and 11 iterations. TraceHistogramMax:2. Analysis of lassos took 24.9s. Construction of modules took 0.4s. Büchi inclusion checks took 1.8s. Highest rank in rank-based complementation 3. Minimization of det autom 7. Minimization of nondet autom 3. Automata minimization 0.0s AutomataMinimizationTime, 9 MinimizatonAttempts, 13 StatesRemovedByMinimization, 5 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 [4, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 327 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 324 mSDsluCounter, 564 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 353 mSDsCounter, 36 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 391 IncrementalHoareTripleChecker+Invalid, 427 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 36 mSolverCounterUnsat, 211 mSDtfsCounter, 391 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI2 SFLT0 conc2 concLT0 SILN0 SILU1 SILI0 SILT0 lasso5 LassoPreprocessingBenchmarks: Lassos: inital256 mio100 ax108 hnf100 lsp91 ukn67 mio100 lsp37 div162 bol100 ite100 ukn100 eq158 hnf94 smp74 dnf521 smp55 tf100 neg100 sie103 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 612ms VariablesStem: 10 VariablesLoop: 10 DisjunctsStem: 4 DisjunctsLoop: 6 SupportingInvariants: 12 MotzkinApplications: 132 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! [2023-11-06 21:56:12,197 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (49)] Forceful destruction successful, exit code 0 [2023-11-06 21:56:12,402 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f7dbf8-6e95-45ee-a8c8-0443358e254c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE