./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-dietlibc/atoi.i --full-output --architecture 64bit -------------------------------------------------------------------------------- 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_a87668e2-21de-4a19-87da-e5ca329645eb/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a87668e2-21de-4a19-87da-e5ca329645eb/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_a87668e2-21de-4a19-87da-e5ca329645eb/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a87668e2-21de-4a19-87da-e5ca329645eb/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-dietlibc/atoi.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a87668e2-21de-4a19-87da-e5ca329645eb/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a87668e2-21de-4a19-87da-e5ca329645eb/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 64bit --witnessprinter.graph.data.programhash 1255925dee057d326b7c0f37f3559424c7c269b2700f988720a0a296e5085160 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:51:27,397 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:51:27,535 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a87668e2-21de-4a19-87da-e5ca329645eb/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Termination-64bit-Automizer_Default.epf [2023-11-06 22:51:27,546 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:51:27,547 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:51:27,595 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:51:27,596 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:51:27,597 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:51:27,598 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:51:27,603 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:51:27,604 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:51:27,604 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-06 22:51:27,605 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-06 22:51:27,607 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-06 22:51:27,607 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-06 22:51:27,608 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-06 22:51:27,608 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-06 22:51:27,609 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:51:27,610 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-06 22:51:27,610 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:51:27,612 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:51:27,613 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-06 22:51:27,613 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-06 22:51:27,614 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-06 22:51:27,614 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 22:51:27,615 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:51:27,615 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-06 22:51:27,615 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:51:27,616 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:51:27,616 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:51:27,618 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:51:27,618 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:51:27,619 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-06 22:51:27,619 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_a87668e2-21de-4a19-87da-e5ca329645eb/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a87668e2-21de-4a19-87da-e5ca329645eb/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1255925dee057d326b7c0f37f3559424c7c269b2700f988720a0a296e5085160 [2023-11-06 22:51:27,942 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:51:27,977 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:51:27,980 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:51:27,981 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:51:27,982 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:51:27,984 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a87668e2-21de-4a19-87da-e5ca329645eb/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/termination-dietlibc/atoi.i [2023-11-06 22:51:31,177 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:51:31,526 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:51:31,527 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a87668e2-21de-4a19-87da-e5ca329645eb/sv-benchmarks/c/termination-dietlibc/atoi.i [2023-11-06 22:51:31,544 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a87668e2-21de-4a19-87da-e5ca329645eb/bin/uautomizer-verify-WvqO1wxjHP/data/3dc49aca4/57c96fa3f21344a08046910d6602f82f/FLAG51bd18173 [2023-11-06 22:51:31,562 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a87668e2-21de-4a19-87da-e5ca329645eb/bin/uautomizer-verify-WvqO1wxjHP/data/3dc49aca4/57c96fa3f21344a08046910d6602f82f [2023-11-06 22:51:31,565 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:51:31,567 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:51:31,569 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:51:31,569 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:51:31,585 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:51:31,586 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:51:31" (1/1) ... [2023-11-06 22:51:31,589 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fbdd297 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:51:31, skipping insertion in model container [2023-11-06 22:51:31,589 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:51:31" (1/1) ... [2023-11-06 22:51:31,659 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:51:31,997 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:51:32,012 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:51:32,060 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:51:32,097 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:51:32,098 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:51:32 WrapperNode [2023-11-06 22:51:32,098 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:51:32,100 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:51:32,100 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:51:32,100 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:51:32,110 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:51:32" (1/1) ... [2023-11-06 22:51:32,126 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:51:32" (1/1) ... [2023-11-06 22:51:32,163 INFO L138 Inliner]: procedures = 113, calls = 13, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 81 [2023-11-06 22:51:32,164 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:51:32,165 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:51:32,165 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:51:32,165 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:51:32,176 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:51:32" (1/1) ... [2023-11-06 22:51:32,176 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:51:32" (1/1) ... [2023-11-06 22:51:32,191 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:51:32" (1/1) ... [2023-11-06 22:51:32,199 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:51:32" (1/1) ... [2023-11-06 22:51:32,205 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:51:32" (1/1) ... [2023-11-06 22:51:32,221 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:51:32" (1/1) ... [2023-11-06 22:51:32,223 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:51:32" (1/1) ... [2023-11-06 22:51:32,224 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:51:32" (1/1) ... [2023-11-06 22:51:32,228 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:51:32,229 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:51:32,229 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:51:32,230 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:51:32,231 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:51:32" (1/1) ... [2023-11-06 22:51:32,245 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:51:32,260 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a87668e2-21de-4a19-87da-e5ca329645eb/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:51:32,273 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a87668e2-21de-4a19-87da-e5ca329645eb/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:51:32,296 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a87668e2-21de-4a19-87da-e5ca329645eb/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-06 22:51:32,324 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-06 22:51:32,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-06 22:51:32,325 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 22:51:32,325 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 22:51:32,325 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:51:32,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:51:32,440 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:51:32,443 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:51:32,721 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:51:32,728 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:51:32,728 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-06 22:51:32,730 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:51:32 BoogieIcfgContainer [2023-11-06 22:51:32,730 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:51:32,731 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-06 22:51:32,731 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-06 22:51:32,735 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-06 22:51:32,736 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-06 22:51:32,737 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 06.11 10:51:31" (1/3) ... [2023-11-06 22:51:32,738 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@10615599 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.11 10:51:32, skipping insertion in model container [2023-11-06 22:51:32,738 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-06 22:51:32,738 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:51:32" (2/3) ... [2023-11-06 22:51:32,739 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@10615599 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.11 10:51:32, skipping insertion in model container [2023-11-06 22:51:32,739 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-06 22:51:32,739 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:51:32" (3/3) ... [2023-11-06 22:51:32,740 INFO L332 chiAutomizerObserver]: Analyzing ICFG atoi.i [2023-11-06 22:51:32,797 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-06 22:51:32,799 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-06 22:51:32,799 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-06 22:51:32,799 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-06 22:51:32,799 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-06 22:51:32,799 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-06 22:51:32,800 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-06 22:51:32,800 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-06 22:51:32,805 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 21 states, 20 states have (on average 1.5) 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 22:51:32,825 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 7 [2023-11-06 22:51:32,826 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 22:51:32,826 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 22:51:32,832 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2023-11-06 22:51:32,833 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-06 22:51:32,833 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-06 22:51:32,834 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 21 states, 20 states have (on average 1.5) 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 22:51:32,837 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 7 [2023-11-06 22:51:32,837 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 22:51:32,837 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 22:51:32,837 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2023-11-06 22:51:32,838 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-06 22:51:32,845 INFO L748 eck$LassoCheckResult]: Stem: 16#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 7#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet12#1, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~nondet15#1, main_#t~post14#1, main_~i~0#1, main_#t~ret16#1, main_~in_len~0#1, main_~in~0#1.base, main_~in~0#1.offset;havoc main_#t~nondet12#1;main_~in_len~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 20#L522true assume !(main_~in_len~0#1 < 1);call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1 % 18446744073709551616);main_~in~0#1.base, main_~in~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;main_~i~0#1 := 0; 17#L524-3true [2023-11-06 22:51:32,845 INFO L750 eck$LassoCheckResult]: Loop: 17#L524-3true assume !!(main_~i~0#1 < main_~in_len~0#1 - 1);havoc main_#t~nondet15#1;call write~int(main_#t~nondet15#1, main_~in~0#1.base, main_~in~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet15#1; 21#L524-2true main_#t~post14#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post14#1;havoc main_#t~post14#1; 17#L524-3true [2023-11-06 22:51:32,851 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:51:32,852 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2023-11-06 22:51:32,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:51:32,862 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [129337270] [2023-11-06 22:51:32,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:51:32,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:51:32,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:51:32,994 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:51:33,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:51:33,022 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:51:33,024 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:51:33,025 INFO L85 PathProgramCache]: Analyzing trace with hash 1443, now seen corresponding path program 1 times [2023-11-06 22:51:33,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:51:33,025 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [687924119] [2023-11-06 22:51:33,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:51:33,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:51:33,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:51:33,037 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:51:33,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:51:33,046 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:51:33,047 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:51:33,047 INFO L85 PathProgramCache]: Analyzing trace with hash 28695942, now seen corresponding path program 1 times [2023-11-06 22:51:33,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:51:33,048 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [721674710] [2023-11-06 22:51:33,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:51:33,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:51:33,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:51:33,077 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:51:33,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:51:33,099 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:51:33,385 INFO L210 LassoAnalysis]: Preferences: [2023-11-06 22:51:33,386 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-06 22:51:33,386 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-06 22:51:33,386 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-06 22:51:33,386 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-06 22:51:33,386 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:51:33,386 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-06 22:51:33,387 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-06 22:51:33,387 INFO L133 ssoRankerPreferences]: Filename of dumped script: atoi.i_Iteration1_Lasso [2023-11-06 22:51:33,387 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-06 22:51:33,387 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-06 22:51:33,410 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:51:33,663 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 22:51:33,668 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 22:51:33,671 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 22:51:33,675 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 22:51:33,678 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 22:51:33,681 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 22:51:34,001 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-06 22:51:34,006 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-06 22:51:34,007 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:51:34,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a87668e2-21de-4a19-87da-e5ca329645eb/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:51:34,009 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a87668e2-21de-4a19-87da-e5ca329645eb/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:51:34,014 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a87668e2-21de-4a19-87da-e5ca329645eb/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-11-06 22:51:34,015 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 22:51:34,028 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:51:34,029 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:51:34,029 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:51:34,029 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:51:34,046 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 22:51:34,046 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 22:51:34,084 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-06 22:51:34,131 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2023-11-06 22:51:34,131 INFO L444 ModelExtractionUtils]: 1 out of 19 variables were initially zero. Simplification set additionally 15 variables to zero. [2023-11-06 22:51:34,133 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:51:34,133 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a87668e2-21de-4a19-87da-e5ca329645eb/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:51:34,161 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a87668e2-21de-4a19-87da-e5ca329645eb/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:51:34,165 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a87668e2-21de-4a19-87da-e5ca329645eb/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-11-06 22:51:34,166 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-06 22:51:34,179 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-06 22:51:34,180 INFO L513 LassoAnalysis]: Proved termination. [2023-11-06 22:51:34,180 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1, ULTIMATE.start_main_~in_len~0#1) = -1*ULTIMATE.start_main_~i~0#1 + 1*ULTIMATE.start_main_~in_len~0#1 Supporting invariants [] [2023-11-06 22:51:34,186 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a87668e2-21de-4a19-87da-e5ca329645eb/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2023-11-06 22:51:34,215 INFO L156 tatePredicateManager]: 3 out of 3 supporting invariants were superfluous and have been removed [2023-11-06 22:51:34,243 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:51:34,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:51:34,262 INFO L262 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-06 22:51:34,263 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:51:34,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:51:34,286 INFO L262 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-06 22:51:34,288 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:51:34,315 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 22:51:34,393 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a87668e2-21de-4a19-87da-e5ca329645eb/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2023-11-06 22:51:34,394 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 22:51:34,397 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 21 states, 20 states have (on average 1.5) 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) Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:51:34,466 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 21 states, 20 states have (on average 1.5) 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). Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 43 states and 61 transitions. Complement of second has 8 states. [2023-11-06 22:51:34,468 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 22:51:34,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:51:34,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 32 transitions. [2023-11-06 22:51:34,478 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 32 transitions. Stem has 3 letters. Loop has 2 letters. [2023-11-06 22:51:34,479 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 22:51:34,479 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 32 transitions. Stem has 5 letters. Loop has 2 letters. [2023-11-06 22:51:34,479 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 22:51:34,480 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 32 transitions. Stem has 3 letters. Loop has 4 letters. [2023-11-06 22:51:34,480 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 22:51:34,481 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 43 states and 61 transitions. [2023-11-06 22:51:34,493 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2023-11-06 22:51:34,497 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 43 states to 17 states and 24 transitions. [2023-11-06 22:51:34,498 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2023-11-06 22:51:34,498 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2023-11-06 22:51:34,498 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 24 transitions. [2023-11-06 22:51:34,499 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:51:34,499 INFO L218 hiAutomatonCegarLoop]: Abstraction has 17 states and 24 transitions. [2023-11-06 22:51:34,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states and 24 transitions. [2023-11-06 22:51:34,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2023-11-06 22:51:34,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 1.411764705882353) internal successors, (24), 16 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:51:34,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 24 transitions. [2023-11-06 22:51:34,523 INFO L240 hiAutomatonCegarLoop]: Abstraction has 17 states and 24 transitions. [2023-11-06 22:51:34,523 INFO L428 stractBuchiCegarLoop]: Abstraction has 17 states and 24 transitions. [2023-11-06 22:51:34,523 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-06 22:51:34,523 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 24 transitions. [2023-11-06 22:51:34,524 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2023-11-06 22:51:34,524 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 22:51:34,525 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 22:51:34,525 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2023-11-06 22:51:34,525 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-06 22:51:34,525 INFO L748 eck$LassoCheckResult]: Stem: 130#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 124#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet12#1, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~nondet15#1, main_#t~post14#1, main_~i~0#1, main_#t~ret16#1, main_~in_len~0#1, main_~in~0#1.base, main_~in~0#1.offset;havoc main_#t~nondet12#1;main_~in_len~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 125#L522 assume !(main_~in_len~0#1 < 1);call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1 % 18446744073709551616);main_~in~0#1.base, main_~in~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;main_~i~0#1 := 0; 131#L524-3 assume !(main_~i~0#1 < main_~in_len~0#1 - 1); 132#L524-4 havoc main_~i~0#1;call write~int(0, main_~in~0#1.base, main_~in~0#1.offset + (main_~in_len~0#1 - 1), 1);assume { :begin_inline_atoi } true;atoi_#in~s#1.base, atoi_#in~s#1.offset := main_~in~0#1.base, main_~in~0#1.offset;havoc atoi_#res#1;havoc atoi_#t~post3#1.base, atoi_#t~post3#1.offset, atoi_#t~mem2#1, atoi_#t~mem4#1, atoi_#t~switch5#1, atoi_#t~pre6#1.base, atoi_#t~pre6#1.offset, atoi_#t~mem10#1, atoi_#t~pre11#1.base, atoi_#t~pre11#1.offset, atoi_#t~mem7#1, atoi_#t~mem8#1, atoi_#t~short9#1, atoi_~s#1.base, atoi_~s#1.offset, atoi_~v~0#1, atoi_~sign~0#1;atoi_~s#1.base, atoi_~s#1.offset := atoi_#in~s#1.base, atoi_#in~s#1.offset;atoi_~v~0#1 := 0;atoi_~sign~0#1 := 1; 128#L510-3 [2023-11-06 22:51:34,526 INFO L750 eck$LassoCheckResult]: Loop: 128#L510-3 call atoi_#t~mem2#1 := read~int(atoi_~s#1.base, atoi_~s#1.offset, 1); 129#L510-1 assume !!(32 == atoi_#t~mem2#1);havoc atoi_#t~mem2#1;atoi_#t~post3#1.base, atoi_#t~post3#1.offset := atoi_~s#1.base, atoi_~s#1.offset;atoi_~s#1.base, atoi_~s#1.offset := atoi_#t~post3#1.base, 1 + atoi_#t~post3#1.offset;havoc atoi_#t~post3#1.base, atoi_#t~post3#1.offset; 128#L510-3 [2023-11-06 22:51:34,526 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:51:34,526 INFO L85 PathProgramCache]: Analyzing trace with hash 28695884, now seen corresponding path program 1 times [2023-11-06 22:51:34,527 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:51:34,527 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [588712483] [2023-11-06 22:51:34,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:51:34,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:51:34,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:51:34,560 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:51:34,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:51:34,597 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:51:34,601 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:51:34,601 INFO L85 PathProgramCache]: Analyzing trace with hash 1798, now seen corresponding path program 1 times [2023-11-06 22:51:34,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:51:34,602 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [14588232] [2023-11-06 22:51:34,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:51:34,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:51:34,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:51:34,617 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:51:34,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:51:34,627 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:51:34,630 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:51:34,630 INFO L85 PathProgramCache]: Analyzing trace with hash 1806941585, now seen corresponding path program 1 times [2023-11-06 22:51:34,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:51:34,631 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [70670515] [2023-11-06 22:51:34,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:51:34,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:51:34,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:51:34,967 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 22:51:34,967 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:51:34,968 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [70670515] [2023-11-06 22:51:34,968 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [70670515] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:51:34,969 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:51:34,969 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:51:34,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1260025378] [2023-11-06 22:51:34,970 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:51:35,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:51:35,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:51:35,027 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:51:35,028 INFO L87 Difference]: Start difference. First operand 17 states and 24 transitions. cyclomatic complexity: 10 Second operand has 6 states, 5 states have (on average 1.4) internal successors, (7), 6 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 22:51:35,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:51:35,149 INFO L93 Difference]: Finished difference Result 33 states and 43 transitions. [2023-11-06 22:51:35,149 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 33 states and 43 transitions. [2023-11-06 22:51:35,151 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 8 [2023-11-06 22:51:35,153 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 33 states to 33 states and 43 transitions. [2023-11-06 22:51:35,153 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 30 [2023-11-06 22:51:35,153 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 30 [2023-11-06 22:51:35,154 INFO L73 IsDeterministic]: Start isDeterministic. Operand 33 states and 43 transitions. [2023-11-06 22:51:35,154 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:51:35,154 INFO L218 hiAutomatonCegarLoop]: Abstraction has 33 states and 43 transitions. [2023-11-06 22:51:35,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states and 43 transitions. [2023-11-06 22:51:35,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 20. [2023-11-06 22:51:35,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 20 states have (on average 1.3) internal successors, (26), 19 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 22:51:35,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 26 transitions. [2023-11-06 22:51:35,158 INFO L240 hiAutomatonCegarLoop]: Abstraction has 20 states and 26 transitions. [2023-11-06 22:51:35,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 22:51:35,160 INFO L428 stractBuchiCegarLoop]: Abstraction has 20 states and 26 transitions. [2023-11-06 22:51:35,160 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-11-06 22:51:35,160 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 26 transitions. [2023-11-06 22:51:35,161 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2023-11-06 22:51:35,161 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 22:51:35,162 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 22:51:35,162 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:51:35,162 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-06 22:51:35,162 INFO L748 eck$LassoCheckResult]: Stem: 198#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 191#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet12#1, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~nondet15#1, main_#t~post14#1, main_~i~0#1, main_#t~ret16#1, main_~in_len~0#1, main_~in~0#1.base, main_~in~0#1.offset;havoc main_#t~nondet12#1;main_~in_len~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 192#L522 assume !(main_~in_len~0#1 < 1);call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1 % 18446744073709551616);main_~in~0#1.base, main_~in~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;main_~i~0#1 := 0; 199#L524-3 assume !!(main_~i~0#1 < main_~in_len~0#1 - 1);havoc main_#t~nondet15#1;call write~int(main_#t~nondet15#1, main_~in~0#1.base, main_~in~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet15#1; 201#L524-2 main_#t~post14#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post14#1;havoc main_#t~post14#1; 202#L524-3 assume !(main_~i~0#1 < main_~in_len~0#1 - 1); 203#L524-4 havoc main_~i~0#1;call write~int(0, main_~in~0#1.base, main_~in~0#1.offset + (main_~in_len~0#1 - 1), 1);assume { :begin_inline_atoi } true;atoi_#in~s#1.base, atoi_#in~s#1.offset := main_~in~0#1.base, main_~in~0#1.offset;havoc atoi_#res#1;havoc atoi_#t~post3#1.base, atoi_#t~post3#1.offset, atoi_#t~mem2#1, atoi_#t~mem4#1, atoi_#t~switch5#1, atoi_#t~pre6#1.base, atoi_#t~pre6#1.offset, atoi_#t~mem10#1, atoi_#t~pre11#1.base, atoi_#t~pre11#1.offset, atoi_#t~mem7#1, atoi_#t~mem8#1, atoi_#t~short9#1, atoi_~s#1.base, atoi_~s#1.offset, atoi_~v~0#1, atoi_~sign~0#1;atoi_~s#1.base, atoi_~s#1.offset := atoi_#in~s#1.base, atoi_#in~s#1.offset;atoi_~v~0#1 := 0;atoi_~sign~0#1 := 1; 195#L510-3 [2023-11-06 22:51:35,163 INFO L750 eck$LassoCheckResult]: Loop: 195#L510-3 call atoi_#t~mem2#1 := read~int(atoi_~s#1.base, atoi_~s#1.offset, 1); 196#L510-1 assume !!(32 == atoi_#t~mem2#1);havoc atoi_#t~mem2#1;atoi_#t~post3#1.base, atoi_#t~post3#1.offset := atoi_~s#1.base, atoi_~s#1.offset;atoi_~s#1.base, atoi_~s#1.offset := atoi_#t~post3#1.base, 1 + atoi_#t~post3#1.offset;havoc atoi_#t~post3#1.base, atoi_#t~post3#1.offset; 195#L510-3 [2023-11-06 22:51:35,163 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:51:35,163 INFO L85 PathProgramCache]: Analyzing trace with hash 1806996910, now seen corresponding path program 1 times [2023-11-06 22:51:35,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:51:35,164 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1697654246] [2023-11-06 22:51:35,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:51:35,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:51:35,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:51:35,183 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:51:35,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:51:35,199 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:51:35,200 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:51:35,200 INFO L85 PathProgramCache]: Analyzing trace with hash 1798, now seen corresponding path program 2 times [2023-11-06 22:51:35,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:51:35,201 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [890178667] [2023-11-06 22:51:35,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:51:35,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:51:35,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:51:35,207 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:51:35,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:51:35,219 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:51:35,219 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:51:35,219 INFO L85 PathProgramCache]: Analyzing trace with hash 1357243763, now seen corresponding path program 1 times [2023-11-06 22:51:35,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:51:35,220 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [530423556] [2023-11-06 22:51:35,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:51:35,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:51:35,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:51:35,264 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:51:35,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:51:35,303 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:51:35,777 INFO L210 LassoAnalysis]: Preferences: [2023-11-06 22:51:35,777 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-06 22:51:35,778 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-06 22:51:35,778 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-06 22:51:35,778 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-06 22:51:35,778 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:51:35,778 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-06 22:51:35,778 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-06 22:51:35,778 INFO L133 ssoRankerPreferences]: Filename of dumped script: atoi.i_Iteration3_Lasso [2023-11-06 22:51:35,778 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-06 22:51:35,779 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-06 22:51:35,782 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 22:51:35,785 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 22:51:35,788 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 22:51:35,791 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 22:51:35,794 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 22:51:35,797 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 22:51:35,801 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 22:51:35,805 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 22:51:36,017 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 22:51:36,022 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 22:51:36,025 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 22:51:36,028 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 22:51:36,031 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 22:51:36,034 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 22:51:36,038 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 22:51:36,042 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 22:51:36,050 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 22:51:36,059 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 22:51:36,063 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 22:51:36,066 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 22:51:36,071 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 22:51:36,074 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 22:51:36,078 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 22:51:36,081 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 22:51:36,084 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 22:51:36,087 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 22:51:36,091 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 22:51:36,429 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-06 22:51:36,429 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-06 22:51:36,430 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:51:36,430 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a87668e2-21de-4a19-87da-e5ca329645eb/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:51:36,441 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a87668e2-21de-4a19-87da-e5ca329645eb/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:51:36,451 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 22:51:36,464 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a87668e2-21de-4a19-87da-e5ca329645eb/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-11-06 22:51:36,464 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:51:36,464 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:51:36,465 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:51:36,465 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:51:36,465 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:51:36,466 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:51:36,466 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:51:36,478 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:51:36,486 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a87668e2-21de-4a19-87da-e5ca329645eb/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2023-11-06 22:51:36,487 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:51:36,487 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a87668e2-21de-4a19-87da-e5ca329645eb/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:51:36,488 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a87668e2-21de-4a19-87da-e5ca329645eb/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:51:36,498 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 22:51:36,514 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a87668e2-21de-4a19-87da-e5ca329645eb/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-11-06 22:51:36,515 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:51:36,515 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:51:36,515 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:51:36,515 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:51:36,515 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:51:36,516 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:51:36,516 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:51:36,536 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:51:36,545 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a87668e2-21de-4a19-87da-e5ca329645eb/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2023-11-06 22:51:36,545 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:51:36,546 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a87668e2-21de-4a19-87da-e5ca329645eb/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:51:36,547 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a87668e2-21de-4a19-87da-e5ca329645eb/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:51:36,554 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 22:51:36,566 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:51:36,566 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:51:36,566 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:51:36,567 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:51:36,567 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:51:36,567 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:51:36,567 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:51:36,568 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a87668e2-21de-4a19-87da-e5ca329645eb/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2023-11-06 22:51:36,573 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:51:36,581 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a87668e2-21de-4a19-87da-e5ca329645eb/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2023-11-06 22:51:36,581 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:51:36,581 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a87668e2-21de-4a19-87da-e5ca329645eb/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:51:36,583 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a87668e2-21de-4a19-87da-e5ca329645eb/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:51:36,593 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 22:51:36,594 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a87668e2-21de-4a19-87da-e5ca329645eb/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2023-11-06 22:51:36,608 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:51:36,608 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:51:36,609 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:51:36,609 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:51:36,609 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:51:36,609 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:51:36,610 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:51:36,628 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:51:36,636 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a87668e2-21de-4a19-87da-e5ca329645eb/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2023-11-06 22:51:36,637 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:51:36,637 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a87668e2-21de-4a19-87da-e5ca329645eb/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:51:36,638 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a87668e2-21de-4a19-87da-e5ca329645eb/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:51:36,644 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a87668e2-21de-4a19-87da-e5ca329645eb/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2023-11-06 22:51:36,645 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 22:51:36,657 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:51:36,657 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:51:36,657 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:51:36,657 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:51:36,657 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:51:36,658 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:51:36,658 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:51:36,659 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:51:36,665 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a87668e2-21de-4a19-87da-e5ca329645eb/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2023-11-06 22:51:36,665 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:51:36,665 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a87668e2-21de-4a19-87da-e5ca329645eb/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:51:36,667 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a87668e2-21de-4a19-87da-e5ca329645eb/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:51:36,669 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a87668e2-21de-4a19-87da-e5ca329645eb/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2023-11-06 22:51:36,670 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 22:51:36,681 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:51:36,681 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:51:36,681 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:51:36,681 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:51:36,686 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 22:51:36,686 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 22:51:36,712 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:51:36,723 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a87668e2-21de-4a19-87da-e5ca329645eb/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2023-11-06 22:51:36,723 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:51:36,724 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a87668e2-21de-4a19-87da-e5ca329645eb/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:51:36,725 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a87668e2-21de-4a19-87da-e5ca329645eb/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:51:36,738 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 22:51:36,750 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:51:36,750 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:51:36,750 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:51:36,750 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:51:36,750 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:51:36,751 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:51:36,751 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:51:36,753 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a87668e2-21de-4a19-87da-e5ca329645eb/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2023-11-06 22:51:36,756 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:51:36,761 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a87668e2-21de-4a19-87da-e5ca329645eb/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2023-11-06 22:51:36,761 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:51:36,761 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a87668e2-21de-4a19-87da-e5ca329645eb/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:51:36,762 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a87668e2-21de-4a19-87da-e5ca329645eb/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:51:36,773 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a87668e2-21de-4a19-87da-e5ca329645eb/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2023-11-06 22:51:36,773 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 22:51:36,786 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:51:36,786 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:51:36,786 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:51:36,786 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:51:36,791 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 22:51:36,791 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 22:51:36,804 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:51:36,809 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a87668e2-21de-4a19-87da-e5ca329645eb/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2023-11-06 22:51:36,809 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:51:36,809 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a87668e2-21de-4a19-87da-e5ca329645eb/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:51:36,811 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a87668e2-21de-4a19-87da-e5ca329645eb/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:51:36,817 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 22:51:36,830 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:51:36,831 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:51:36,831 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:51:36,831 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:51:36,836 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a87668e2-21de-4a19-87da-e5ca329645eb/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2023-11-06 22:51:36,840 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 22:51:36,841 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 22:51:36,855 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-06 22:51:36,885 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2023-11-06 22:51:36,885 INFO L444 ModelExtractionUtils]: 0 out of 13 variables were initially zero. Simplification set additionally 10 variables to zero. [2023-11-06 22:51:36,885 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:51:36,885 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a87668e2-21de-4a19-87da-e5ca329645eb/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:51:36,887 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a87668e2-21de-4a19-87da-e5ca329645eb/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:51:36,894 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a87668e2-21de-4a19-87da-e5ca329645eb/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2023-11-06 22:51:36,897 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-06 22:51:36,926 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-06 22:51:36,926 INFO L513 LassoAnalysis]: Proved termination. [2023-11-06 22:51:36,926 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc13#1.base)_2, ULTIMATE.start_atoi_~s#1.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc13#1.base)_2 - 1*ULTIMATE.start_atoi_~s#1.offset Supporting invariants [] [2023-11-06 22:51:36,933 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a87668e2-21de-4a19-87da-e5ca329645eb/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2023-11-06 22:51:36,951 INFO L156 tatePredicateManager]: 4 out of 5 supporting invariants were superfluous and have been removed [2023-11-06 22:51:36,954 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: Expression ~s!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-06 22:51:36,955 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[#t~malloc13!base] could not be translated [2023-11-06 22:51:36,986 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:51:37,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:51:37,009 INFO L262 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-06 22:51:37,010 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:51:37,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:51:37,062 WARN L260 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-06 22:51:37,063 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:51:37,095 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 22:51:37,095 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 22:51:37,096 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 20 states and 26 transitions. cyclomatic complexity: 9 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 22:51:37,192 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 20 states and 26 transitions. cyclomatic complexity: 9. 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 36 states and 49 transitions. Complement of second has 7 states. [2023-11-06 22:51:37,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2023-11-06 22:51:37,195 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 22:51:37,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 24 transitions. [2023-11-06 22:51:37,197 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 24 transitions. Stem has 7 letters. Loop has 2 letters. [2023-11-06 22:51:37,197 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 22:51:37,197 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 24 transitions. Stem has 9 letters. Loop has 2 letters. [2023-11-06 22:51:37,198 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 22:51:37,198 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 24 transitions. Stem has 7 letters. Loop has 4 letters. [2023-11-06 22:51:37,199 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 22:51:37,199 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 36 states and 49 transitions. [2023-11-06 22:51:37,205 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-06 22:51:37,205 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 36 states to 0 states and 0 transitions. [2023-11-06 22:51:37,206 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-11-06 22:51:37,206 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-11-06 22:51:37,206 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-11-06 22:51:37,206 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:51:37,206 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-06 22:51:37,206 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-06 22:51:37,207 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-06 22:51:37,207 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2023-11-06 22:51:37,207 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-11-06 22:51:37,207 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-06 22:51:37,207 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-11-06 22:51:37,216 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 06.11 10:51:37 BoogieIcfgContainer [2023-11-06 22:51:37,216 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-06 22:51:37,217 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 22:51:37,217 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 22:51:37,217 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 22:51:37,218 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:51:32" (3/4) ... [2023-11-06 22:51:37,220 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-06 22:51:37,222 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 22:51:37,223 INFO L158 Benchmark]: Toolchain (without parser) took 5655.61ms. Allocated memory is still 163.6MB. Free memory was 125.6MB in the beginning and 50.6MB in the end (delta: 75.0MB). Peak memory consumption was 76.9MB. Max. memory is 16.1GB. [2023-11-06 22:51:37,223 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 113.2MB. Free memory was 60.9MB in the beginning and 60.7MB in the end (delta: 134.5kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:51:37,229 INFO L158 Benchmark]: CACSL2BoogieTranslator took 529.83ms. Allocated memory is still 163.6MB. Free memory was 125.6MB in the beginning and 109.7MB in the end (delta: 15.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-06 22:51:37,230 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.55ms. Allocated memory is still 163.6MB. Free memory was 109.3MB in the beginning and 107.6MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:51:37,231 INFO L158 Benchmark]: Boogie Preprocessor took 63.27ms. Allocated memory is still 163.6MB. Free memory was 107.6MB in the beginning and 106.3MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:51:37,231 INFO L158 Benchmark]: RCFGBuilder took 501.30ms. Allocated memory is still 163.6MB. Free memory was 106.3MB in the beginning and 94.1MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-06 22:51:37,232 INFO L158 Benchmark]: BuchiAutomizer took 4485.26ms. Allocated memory is still 163.6MB. Free memory was 93.7MB in the beginning and 51.7MB in the end (delta: 42.0MB). Peak memory consumption was 43.4MB. Max. memory is 16.1GB. [2023-11-06 22:51:37,238 INFO L158 Benchmark]: Witness Printer took 4.61ms. Allocated memory is still 163.6MB. Free memory was 51.7MB in the beginning and 50.6MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:51:37,242 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 113.2MB. Free memory was 60.9MB in the beginning and 60.7MB in the end (delta: 134.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 529.83ms. Allocated memory is still 163.6MB. Free memory was 125.6MB in the beginning and 109.7MB in the end (delta: 15.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.55ms. Allocated memory is still 163.6MB. Free memory was 109.3MB in the beginning and 107.6MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 63.27ms. Allocated memory is still 163.6MB. Free memory was 107.6MB in the beginning and 106.3MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 501.30ms. Allocated memory is still 163.6MB. Free memory was 106.3MB in the beginning and 94.1MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 4485.26ms. Allocated memory is still 163.6MB. Free memory was 93.7MB in the beginning and 51.7MB in the end (delta: 42.0MB). Peak memory consumption was 43.4MB. Max. memory is 16.1GB. * Witness Printer took 4.61ms. Allocated memory is still 163.6MB. Free memory was 51.7MB in the beginning and 50.6MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression ~s!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[#t~malloc13!base] could not be translated * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (1 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function ((-1 * i) + in_len) and consists of 5 locations. One deterministic module has affine ranking function NULL and consists of 5 locations. 1 modules have a trivial ranking function, the largest among these consists of 6 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.4s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 3.6s. Construction of modules took 0.1s. Büchi inclusion checks took 0.5s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 13 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 60 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 59 mSDsluCounter, 96 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 62 mSDsCounter, 12 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 78 IncrementalHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12 mSolverCounterUnsat, 34 mSDtfsCounter, 78 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital103 mio100 ax100 hnf100 lsp90 ukn87 mio100 lsp46 div143 bol100 ite100 ukn100 eq169 hnf91 smp85 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 172ms VariablesStem: 7 VariablesLoop: 6 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2023-11-06 22:51:37,269 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a87668e2-21de-4a19-87da-e5ca329645eb/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2023-11-06 22:51:37,472 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a87668e2-21de-4a19-87da-e5ca329645eb/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE