./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-dietlibc/atoll-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version e7bb482b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726fe82f-f935-4528-ba95-f7dfeac24769/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726fe82f-f935-4528-ba95-f7dfeac24769/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_726fe82f-f935-4528-ba95-f7dfeac24769/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726fe82f-f935-4528-ba95-f7dfeac24769/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-dietlibc/atoll-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726fe82f-f935-4528-ba95-f7dfeac24769/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_726fe82f-f935-4528-ba95-f7dfeac24769/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 7d3c2d71fc4aa9769f2c9c949880efa0eb54785a07e1eefaf23798ae054e2d47 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:54:10,501 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:54:10,650 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726fe82f-f935-4528-ba95-f7dfeac24769/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Termination-64bit-Automizer_Default.epf [2023-11-06 22:54:10,662 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:54:10,663 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:54:10,717 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:54:10,718 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:54:10,719 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:54:10,721 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:54:10,727 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:54:10,728 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:54:10,729 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-06 22:54:10,729 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-06 22:54:10,732 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-06 22:54:10,732 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-06 22:54:10,733 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-06 22:54:10,733 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-06 22:54:10,734 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:54:10,735 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-06 22:54:10,736 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:54:10,736 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:54:10,737 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-06 22:54:10,737 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-06 22:54:10,738 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-06 22:54:10,738 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 22:54:10,739 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:54:10,740 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-06 22:54:10,740 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:54:10,741 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:54:10,741 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:54:10,743 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:54:10,743 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:54:10,744 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-06 22:54:10,745 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_726fe82f-f935-4528-ba95-f7dfeac24769/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726fe82f-f935-4528-ba95-f7dfeac24769/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7d3c2d71fc4aa9769f2c9c949880efa0eb54785a07e1eefaf23798ae054e2d47 [2023-11-06 22:54:11,068 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:54:11,110 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:54:11,114 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:54:11,115 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:54:11,116 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:54:11,118 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726fe82f-f935-4528-ba95-f7dfeac24769/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/termination-dietlibc/atoll-2.i [2023-11-06 22:54:14,636 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:54:15,018 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:54:15,019 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726fe82f-f935-4528-ba95-f7dfeac24769/sv-benchmarks/c/termination-dietlibc/atoll-2.i [2023-11-06 22:54:15,038 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726fe82f-f935-4528-ba95-f7dfeac24769/bin/uautomizer-verify-WvqO1wxjHP/data/b53954feb/1e2be8100d904624a0cc2de1ab157de4/FLAG3688853d7 [2023-11-06 22:54:15,054 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726fe82f-f935-4528-ba95-f7dfeac24769/bin/uautomizer-verify-WvqO1wxjHP/data/b53954feb/1e2be8100d904624a0cc2de1ab157de4 [2023-11-06 22:54:15,057 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:54:15,059 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:54:15,062 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:54:15,062 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:54:15,074 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:54:15,075 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:54:15" (1/1) ... [2023-11-06 22:54:15,077 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fb6c588 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:54:15, skipping insertion in model container [2023-11-06 22:54:15,077 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:54:15" (1/1) ... [2023-11-06 22:54:15,123 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:54:15,498 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:54:15,513 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:54:15,560 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:54:15,597 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:54:15,597 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:54:15 WrapperNode [2023-11-06 22:54:15,598 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:54:15,599 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:54:15,599 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:54:15,600 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:54:15,607 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:54:15" (1/1) ... [2023-11-06 22:54:15,622 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:54:15" (1/1) ... [2023-11-06 22:54:15,649 INFO L138 Inliner]: procedures = 112, calls = 13, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 81 [2023-11-06 22:54:15,650 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:54:15,651 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:54:15,651 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:54:15,651 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:54:15,662 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:54:15" (1/1) ... [2023-11-06 22:54:15,662 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:54:15" (1/1) ... [2023-11-06 22:54:15,668 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:54:15" (1/1) ... [2023-11-06 22:54:15,669 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:54:15" (1/1) ... [2023-11-06 22:54:15,676 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:54:15" (1/1) ... [2023-11-06 22:54:15,681 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:54:15" (1/1) ... [2023-11-06 22:54:15,683 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:54:15" (1/1) ... [2023-11-06 22:54:15,684 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:54:15" (1/1) ... [2023-11-06 22:54:15,687 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:54:15,688 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:54:15,689 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:54:15,689 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:54:15,690 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:54:15" (1/1) ... [2023-11-06 22:54:15,701 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:54:15,728 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726fe82f-f935-4528-ba95-f7dfeac24769/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:54:15,743 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726fe82f-f935-4528-ba95-f7dfeac24769/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:54:15,760 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726fe82f-f935-4528-ba95-f7dfeac24769/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-06 22:54:15,795 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-06 22:54:15,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-06 22:54:15,796 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 22:54:15,796 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 22:54:15,796 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:54:15,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:54:15,956 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:54:15,960 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:54:16,245 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:54:16,253 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:54:16,254 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-06 22:54:16,256 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:54:16 BoogieIcfgContainer [2023-11-06 22:54:16,273 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:54:16,275 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-06 22:54:16,275 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-06 22:54:16,281 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-06 22:54:16,282 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-06 22:54:16,282 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 06.11 10:54:15" (1/3) ... [2023-11-06 22:54:16,283 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5862c6a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.11 10:54:16, skipping insertion in model container [2023-11-06 22:54:16,284 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-06 22:54:16,284 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:54:15" (2/3) ... [2023-11-06 22:54:16,285 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5862c6a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.11 10:54:16, skipping insertion in model container [2023-11-06 22:54:16,285 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-06 22:54:16,285 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:54:16" (3/3) ... [2023-11-06 22:54:16,287 INFO L332 chiAutomizerObserver]: Analyzing ICFG atoll-2.i [2023-11-06 22:54:16,375 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-06 22:54:16,375 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-06 22:54:16,375 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-06 22:54:16,376 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-06 22:54:16,376 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-06 22:54:16,376 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-06 22:54:16,376 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-06 22:54:16,377 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-06 22:54:16,382 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 22:54:16,406 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 7 [2023-11-06 22:54:16,406 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 22:54:16,407 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 22:54:16,413 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2023-11-06 22:54:16,414 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-06 22:54:16,414 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-06 22:54:16,415 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 22:54:16,418 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 7 [2023-11-06 22:54:16,418 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 22:54:16,418 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 22:54:16,419 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2023-11-06 22:54:16,419 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-06 22:54:16,429 INFO L748 eck$LassoCheckResult]: Stem: 17#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 7#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet12#1, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~nondet15#1, main_#t~post14#1, main_~i~0#1, main_#t~ret16#1, main_~in_len~0#1, main_~in~0#1.base, main_~in~0#1.offset;havoc main_#t~nondet12#1;main_~in_len~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 9#L521true assume !(main_~in_len~0#1 < 1);call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1 % 18446744073709551616);main_~in~0#1.base, main_~in~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;main_~i~0#1 := 0; 10#L523-3true [2023-11-06 22:54:16,430 INFO L750 eck$LassoCheckResult]: Loop: 10#L523-3true assume !!(main_~i~0#1 < main_~in_len~0#1);havoc main_#t~nondet15#1;call write~int((if main_#t~nondet15#1 % 256 <= 127 then main_#t~nondet15#1 % 256 else main_#t~nondet15#1 % 256 - 256), main_~in~0#1.base, main_~in~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet15#1; 15#L523-2true main_#t~post14#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post14#1;havoc main_#t~post14#1; 10#L523-3true [2023-11-06 22:54:16,437 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:54:16,437 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2023-11-06 22:54:16,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:54:16,450 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [682670053] [2023-11-06 22:54:16,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:54:16,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:54:16,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:54:16,573 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:54:16,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:54:16,609 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:54:16,612 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:54:16,613 INFO L85 PathProgramCache]: Analyzing trace with hash 1443, now seen corresponding path program 1 times [2023-11-06 22:54:16,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:54:16,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1533521635] [2023-11-06 22:54:16,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:54:16,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:54:16,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:54:16,636 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:54:16,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:54:16,669 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:54:16,671 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:54:16,671 INFO L85 PathProgramCache]: Analyzing trace with hash 28695942, now seen corresponding path program 1 times [2023-11-06 22:54:16,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:54:16,672 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [572037547] [2023-11-06 22:54:16,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:54:16,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:54:16,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:54:16,746 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:54:16,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:54:16,802 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:54:17,460 INFO L210 LassoAnalysis]: Preferences: [2023-11-06 22:54:17,461 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-06 22:54:17,461 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-06 22:54:17,461 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-06 22:54:17,462 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-06 22:54:17,462 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:54:17,462 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-06 22:54:17,462 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-06 22:54:17,463 INFO L133 ssoRankerPreferences]: Filename of dumped script: atoll-2.i_Iteration1_Lasso [2023-11-06 22:54:17,463 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-06 22:54:17,464 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-06 22:54:17,488 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 22:54:17,802 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 22:54:17,807 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 22:54:17,810 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 22:54:17,814 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 22:54:17,818 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 22:54:17,821 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 22:54:18,144 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-06 22:54:18,151 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-06 22:54:18,153 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:54:18,155 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726fe82f-f935-4528-ba95-f7dfeac24769/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:54:18,159 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726fe82f-f935-4528-ba95-f7dfeac24769/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:54:18,169 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726fe82f-f935-4528-ba95-f7dfeac24769/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-11-06 22:54:18,176 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 22:54:18,193 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:54:18,194 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:54:18,194 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:54:18,194 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:54:18,203 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 22:54:18,204 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 22:54:18,218 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:54:18,229 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726fe82f-f935-4528-ba95-f7dfeac24769/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2023-11-06 22:54:18,229 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:54:18,230 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726fe82f-f935-4528-ba95-f7dfeac24769/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:54:18,232 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726fe82f-f935-4528-ba95-f7dfeac24769/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:54:18,242 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 22:54:18,256 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726fe82f-f935-4528-ba95-f7dfeac24769/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-11-06 22:54:18,259 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:54:18,259 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:54:18,259 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:54:18,260 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:54:18,267 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 22:54:18,268 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 22:54:18,281 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:54:18,291 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726fe82f-f935-4528-ba95-f7dfeac24769/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2023-11-06 22:54:18,292 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:54:18,292 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726fe82f-f935-4528-ba95-f7dfeac24769/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:54:18,294 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726fe82f-f935-4528-ba95-f7dfeac24769/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:54:18,304 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 22:54:18,319 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726fe82f-f935-4528-ba95-f7dfeac24769/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-11-06 22:54:18,321 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:54:18,321 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:54:18,321 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:54:18,321 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:54:18,338 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 22:54:18,338 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 22:54:18,364 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-06 22:54:18,429 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2023-11-06 22:54:18,429 INFO L444 ModelExtractionUtils]: 3 out of 19 variables were initially zero. Simplification set additionally 13 variables to zero. [2023-11-06 22:54:18,431 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:54:18,431 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726fe82f-f935-4528-ba95-f7dfeac24769/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:54:18,468 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726fe82f-f935-4528-ba95-f7dfeac24769/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:54:18,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726fe82f-f935-4528-ba95-f7dfeac24769/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-11-06 22:54:18,472 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-06 22:54:18,491 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-06 22:54:18,491 INFO L513 LassoAnalysis]: Proved termination. [2023-11-06 22:54:18,492 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 22:54:18,502 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726fe82f-f935-4528-ba95-f7dfeac24769/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2023-11-06 22:54:18,515 INFO L156 tatePredicateManager]: 3 out of 3 supporting invariants were superfluous and have been removed [2023-11-06 22:54:18,540 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:54:18,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:18,555 INFO L262 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-06 22:54:18,556 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:54:18,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:18,575 INFO L262 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-06 22:54:18,576 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:54:18,594 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 22:54:18,638 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 22:54:18,640 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 22:54:18,699 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 22:54:18,701 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 22:54:18,706 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 22:54:18,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 32 transitions. [2023-11-06 22:54:18,709 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 32 transitions. Stem has 3 letters. Loop has 2 letters. [2023-11-06 22:54:18,710 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 22:54:18,710 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 32 transitions. Stem has 5 letters. Loop has 2 letters. [2023-11-06 22:54:18,710 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 22:54:18,710 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 32 transitions. Stem has 3 letters. Loop has 4 letters. [2023-11-06 22:54:18,711 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 22:54:18,712 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 43 states and 61 transitions. [2023-11-06 22:54:18,716 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2023-11-06 22:54:18,720 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 43 states to 17 states and 24 transitions. [2023-11-06 22:54:18,721 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2023-11-06 22:54:18,721 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2023-11-06 22:54:18,722 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 24 transitions. [2023-11-06 22:54:18,722 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:54:18,722 INFO L218 hiAutomatonCegarLoop]: Abstraction has 17 states and 24 transitions. [2023-11-06 22:54:18,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states and 24 transitions. [2023-11-06 22:54:18,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2023-11-06 22:54:18,748 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 22:54:18,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 24 transitions. [2023-11-06 22:54:18,750 INFO L240 hiAutomatonCegarLoop]: Abstraction has 17 states and 24 transitions. [2023-11-06 22:54:18,750 INFO L428 stractBuchiCegarLoop]: Abstraction has 17 states and 24 transitions. [2023-11-06 22:54:18,750 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-06 22:54:18,750 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 24 transitions. [2023-11-06 22:54:18,751 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2023-11-06 22:54:18,751 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 22:54:18,752 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 22:54:18,752 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2023-11-06 22:54:18,753 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-06 22:54:18,753 INFO L748 eck$LassoCheckResult]: Stem: 133#$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#L521 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; 126#L523-3 assume !(main_~i~0#1 < main_~in_len~0#1); 118#L523-4 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_atoll } true;atoll_#in~s#1.base, atoll_#in~s#1.offset := main_~in~0#1.base, main_~in~0#1.offset;havoc atoll_#res#1;havoc atoll_#t~pre3#1.base, atoll_#t~pre3#1.offset, atoll_#t~mem2#1, atoll_#t~mem4#1, atoll_#t~switch5#1, atoll_#t~pre6#1.base, atoll_#t~pre6#1.offset, atoll_#t~mem10#1, atoll_#t~pre11#1.base, atoll_#t~pre11#1.offset, atoll_#t~mem7#1, atoll_#t~mem8#1, atoll_#t~short9#1, atoll_~s#1.base, atoll_~s#1.offset, atoll_~v~0#1, atoll_~sign~0#1;atoll_~s#1.base, atoll_~s#1.offset := atoll_#in~s#1.base, atoll_#in~s#1.offset;atoll_~v~0#1 := 0;atoll_~sign~0#1 := 1; 119#L509-3 [2023-11-06 22:54:18,753 INFO L750 eck$LassoCheckResult]: Loop: 119#L509-3 call atoll_#t~mem2#1 := read~int(atoll_~s#1.base, atoll_~s#1.offset, 1); 132#L509-1 assume !!(32 == atoll_#t~mem2#1);havoc atoll_#t~mem2#1;atoll_#t~pre3#1.base, atoll_#t~pre3#1.offset := atoll_~s#1.base, 1 + atoll_~s#1.offset;atoll_~s#1.base, atoll_~s#1.offset := atoll_~s#1.base, 1 + atoll_~s#1.offset;havoc atoll_#t~pre3#1.base, atoll_#t~pre3#1.offset; 119#L509-3 [2023-11-06 22:54:18,760 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:54:18,760 INFO L85 PathProgramCache]: Analyzing trace with hash 28695884, now seen corresponding path program 1 times [2023-11-06 22:54:18,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:54:18,761 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [577030808] [2023-11-06 22:54:18,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:54:18,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:54:18,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:18,849 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 22:54:18,850 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:54:18,850 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [577030808] [2023-11-06 22:54:18,851 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [577030808] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:54:18,851 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:54:18,851 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:54:18,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2107875899] [2023-11-06 22:54:18,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:54:18,854 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-06 22:54:18,855 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:54:18,855 INFO L85 PathProgramCache]: Analyzing trace with hash 1798, now seen corresponding path program 1 times [2023-11-06 22:54:18,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:54:18,855 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [162300412] [2023-11-06 22:54:18,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:54:18,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:54:18,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:54:18,861 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:54:18,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:54:18,866 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:54:18,911 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:54:18,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:54:18,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:54:18,915 INFO L87 Difference]: Start difference. First operand 17 states and 24 transitions. cyclomatic complexity: 10 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 22:54:18,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:54:18,951 INFO L93 Difference]: Finished difference Result 18 states and 23 transitions. [2023-11-06 22:54:18,951 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 23 transitions. [2023-11-06 22:54:18,953 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2023-11-06 22:54:18,953 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 18 states and 23 transitions. [2023-11-06 22:54:18,953 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2023-11-06 22:54:18,954 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2023-11-06 22:54:18,954 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 23 transitions. [2023-11-06 22:54:18,954 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:54:18,954 INFO L218 hiAutomatonCegarLoop]: Abstraction has 18 states and 23 transitions. [2023-11-06 22:54:18,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 23 transitions. [2023-11-06 22:54:18,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 17. [2023-11-06 22:54:18,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 16 states have internal predecessors, (22), 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 22:54:18,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 22 transitions. [2023-11-06 22:54:18,957 INFO L240 hiAutomatonCegarLoop]: Abstraction has 17 states and 22 transitions. [2023-11-06 22:54:18,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:54:18,960 INFO L428 stractBuchiCegarLoop]: Abstraction has 17 states and 22 transitions. [2023-11-06 22:54:18,960 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-11-06 22:54:18,960 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 22 transitions. [2023-11-06 22:54:18,963 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2023-11-06 22:54:18,963 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 22:54:18,963 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 22:54:18,965 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:54:18,965 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-06 22:54:18,965 INFO L748 eck$LassoCheckResult]: Stem: 174#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 165#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; 166#L521 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; 167#L523-3 assume !!(main_~i~0#1 < main_~in_len~0#1);havoc main_#t~nondet15#1;call write~int((if main_#t~nondet15#1 % 256 <= 127 then main_#t~nondet15#1 % 256 else main_#t~nondet15#1 % 256 - 256), main_~in~0#1.base, main_~in~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet15#1; 168#L523-2 main_#t~post14#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post14#1;havoc main_#t~post14#1; 169#L523-3 assume !(main_~i~0#1 < main_~in_len~0#1); 159#L523-4 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_atoll } true;atoll_#in~s#1.base, atoll_#in~s#1.offset := main_~in~0#1.base, main_~in~0#1.offset;havoc atoll_#res#1;havoc atoll_#t~pre3#1.base, atoll_#t~pre3#1.offset, atoll_#t~mem2#1, atoll_#t~mem4#1, atoll_#t~switch5#1, atoll_#t~pre6#1.base, atoll_#t~pre6#1.offset, atoll_#t~mem10#1, atoll_#t~pre11#1.base, atoll_#t~pre11#1.offset, atoll_#t~mem7#1, atoll_#t~mem8#1, atoll_#t~short9#1, atoll_~s#1.base, atoll_~s#1.offset, atoll_~v~0#1, atoll_~sign~0#1;atoll_~s#1.base, atoll_~s#1.offset := atoll_#in~s#1.base, atoll_#in~s#1.offset;atoll_~v~0#1 := 0;atoll_~sign~0#1 := 1; 160#L509-3 [2023-11-06 22:54:18,965 INFO L750 eck$LassoCheckResult]: Loop: 160#L509-3 call atoll_#t~mem2#1 := read~int(atoll_~s#1.base, atoll_~s#1.offset, 1); 172#L509-1 assume !!(32 == atoll_#t~mem2#1);havoc atoll_#t~mem2#1;atoll_#t~pre3#1.base, atoll_#t~pre3#1.offset := atoll_~s#1.base, 1 + atoll_~s#1.offset;atoll_~s#1.base, atoll_~s#1.offset := atoll_~s#1.base, 1 + atoll_~s#1.offset;havoc atoll_#t~pre3#1.base, atoll_#t~pre3#1.offset; 160#L509-3 [2023-11-06 22:54:18,966 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:54:18,966 INFO L85 PathProgramCache]: Analyzing trace with hash 1806996910, now seen corresponding path program 1 times [2023-11-06 22:54:18,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:54:18,966 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2028501243] [2023-11-06 22:54:18,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:54:18,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:54:19,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:54:19,013 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:54:19,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:54:19,047 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:54:19,051 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:54:19,052 INFO L85 PathProgramCache]: Analyzing trace with hash 1798, now seen corresponding path program 2 times [2023-11-06 22:54:19,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:54:19,052 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1240984761] [2023-11-06 22:54:19,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:54:19,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:54:19,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:54:19,059 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:54:19,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:54:19,067 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:54:19,068 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:54:19,068 INFO L85 PathProgramCache]: Analyzing trace with hash 1357243763, now seen corresponding path program 1 times [2023-11-06 22:54:19,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:54:19,068 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1321443961] [2023-11-06 22:54:19,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:54:19,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:54:19,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:19,394 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:54:19,394 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:54:19,395 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1321443961] [2023-11-06 22:54:19,395 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1321443961] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:54:19,395 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [797558736] [2023-11-06 22:54:19,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:54:19,396 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:54:19,396 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726fe82f-f935-4528-ba95-f7dfeac24769/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:54:19,397 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726fe82f-f935-4528-ba95-f7dfeac24769/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:54:19,404 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726fe82f-f935-4528-ba95-f7dfeac24769/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-06 22:54:19,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:19,474 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-06 22:54:19,476 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:54:19,613 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-06 22:54:19,688 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 22:54:19,695 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 22:54:19,696 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 10 [2023-11-06 22:54:19,721 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:54:19,722 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:54:19,796 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 11 [2023-11-06 22:54:19,803 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 20 [2023-11-06 22:54:19,950 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726fe82f-f935-4528-ba95-f7dfeac24769/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2023-11-06 22:54:20,043 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:54:20,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [797558736] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:54:20,049 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-06 22:54:20,049 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 16 [2023-11-06 22:54:20,049 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2036542369] [2023-11-06 22:54:20,049 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-06 22:54:20,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:54:20,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-11-06 22:54:20,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=216, Unknown=0, NotChecked=0, Total=272 [2023-11-06 22:54:20,107 INFO L87 Difference]: Start difference. First operand 17 states and 22 transitions. cyclomatic complexity: 8 Second operand has 17 states, 16 states have (on average 1.4375) internal successors, (23), 17 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:54:20,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:54:20,332 INFO L93 Difference]: Finished difference Result 35 states and 45 transitions. [2023-11-06 22:54:20,332 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 35 states and 45 transitions. [2023-11-06 22:54:20,334 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 8 [2023-11-06 22:54:20,335 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 35 states to 35 states and 45 transitions. [2023-11-06 22:54:20,335 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 30 [2023-11-06 22:54:20,335 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 30 [2023-11-06 22:54:20,335 INFO L73 IsDeterministic]: Start isDeterministic. Operand 35 states and 45 transitions. [2023-11-06 22:54:20,336 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:54:20,336 INFO L218 hiAutomatonCegarLoop]: Abstraction has 35 states and 45 transitions. [2023-11-06 22:54:20,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states and 45 transitions. [2023-11-06 22:54:20,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 22. [2023-11-06 22:54:20,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 22 states have (on average 1.2727272727272727) internal successors, (28), 21 states have internal predecessors, (28), 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 22:54:20,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 28 transitions. [2023-11-06 22:54:20,339 INFO L240 hiAutomatonCegarLoop]: Abstraction has 22 states and 28 transitions. [2023-11-06 22:54:20,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-06 22:54:20,340 INFO L428 stractBuchiCegarLoop]: Abstraction has 22 states and 28 transitions. [2023-11-06 22:54:20,340 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2023-11-06 22:54:20,340 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 28 transitions. [2023-11-06 22:54:20,341 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2023-11-06 22:54:20,341 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 22:54:20,342 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 22:54:20,342 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1] [2023-11-06 22:54:20,342 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-06 22:54:20,342 INFO L748 eck$LassoCheckResult]: Stem: 309#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 297#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; 298#L521 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; 299#L523-3 assume !!(main_~i~0#1 < main_~in_len~0#1);havoc main_#t~nondet15#1;call write~int((if main_#t~nondet15#1 % 256 <= 127 then main_#t~nondet15#1 % 256 else main_#t~nondet15#1 % 256 - 256), main_~in~0#1.base, main_~in~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet15#1; 300#L523-2 main_#t~post14#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post14#1;havoc main_#t~post14#1; 312#L523-3 assume !!(main_~i~0#1 < main_~in_len~0#1);havoc main_#t~nondet15#1;call write~int((if main_#t~nondet15#1 % 256 <= 127 then main_#t~nondet15#1 % 256 else main_#t~nondet15#1 % 256 - 256), main_~in~0#1.base, main_~in~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet15#1; 303#L523-2 main_#t~post14#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post14#1;havoc main_#t~post14#1; 301#L523-3 assume !(main_~i~0#1 < main_~in_len~0#1); 302#L523-4 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_atoll } true;atoll_#in~s#1.base, atoll_#in~s#1.offset := main_~in~0#1.base, main_~in~0#1.offset;havoc atoll_#res#1;havoc atoll_#t~pre3#1.base, atoll_#t~pre3#1.offset, atoll_#t~mem2#1, atoll_#t~mem4#1, atoll_#t~switch5#1, atoll_#t~pre6#1.base, atoll_#t~pre6#1.offset, atoll_#t~mem10#1, atoll_#t~pre11#1.base, atoll_#t~pre11#1.offset, atoll_#t~mem7#1, atoll_#t~mem8#1, atoll_#t~short9#1, atoll_~s#1.base, atoll_~s#1.offset, atoll_~v~0#1, atoll_~sign~0#1;atoll_~s#1.base, atoll_~s#1.offset := atoll_#in~s#1.base, atoll_#in~s#1.offset;atoll_~v~0#1 := 0;atoll_~sign~0#1 := 1; 306#L509-3 [2023-11-06 22:54:20,342 INFO L750 eck$LassoCheckResult]: Loop: 306#L509-3 call atoll_#t~mem2#1 := read~int(atoll_~s#1.base, atoll_~s#1.offset, 1); 307#L509-1 assume !!(32 == atoll_#t~mem2#1);havoc atoll_#t~mem2#1;atoll_#t~pre3#1.base, atoll_#t~pre3#1.offset := atoll_~s#1.base, 1 + atoll_~s#1.offset;atoll_~s#1.base, atoll_~s#1.offset := atoll_~s#1.base, 1 + atoll_~s#1.offset;havoc atoll_#t~pre3#1.base, atoll_#t~pre3#1.offset; 306#L509-3 [2023-11-06 22:54:20,343 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:54:20,343 INFO L85 PathProgramCache]: Analyzing trace with hash 1357299088, now seen corresponding path program 2 times [2023-11-06 22:54:20,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:54:20,343 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1912861779] [2023-11-06 22:54:20,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:54:20,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:54:20,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:54:20,360 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:54:20,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:54:20,374 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:54:20,375 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:54:20,375 INFO L85 PathProgramCache]: Analyzing trace with hash 1798, now seen corresponding path program 3 times [2023-11-06 22:54:20,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:54:20,376 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1764867086] [2023-11-06 22:54:20,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:54:20,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:54:20,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:54:20,379 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:54:20,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:54:20,382 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:54:20,383 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:54:20,383 INFO L85 PathProgramCache]: Analyzing trace with hash -1305633579, now seen corresponding path program 2 times [2023-11-06 22:54:20,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:54:20,383 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1428207662] [2023-11-06 22:54:20,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:54:20,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:54:20,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:54:20,401 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:54:20,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:54:20,417 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:54:21,233 INFO L210 LassoAnalysis]: Preferences: [2023-11-06 22:54:21,233 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-06 22:54:21,233 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-06 22:54:21,233 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-06 22:54:21,233 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-06 22:54:21,234 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:54:21,234 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-06 22:54:21,234 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-06 22:54:21,234 INFO L133 ssoRankerPreferences]: Filename of dumped script: atoll-2.i_Iteration4_Lasso [2023-11-06 22:54:21,234 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-06 22:54:21,234 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-06 22:54:21,238 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 22:54:21,242 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 22:54:21,244 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 22:54:21,247 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 22:54:21,249 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 22:54:21,252 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 22:54:21,256 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 22:54:21,259 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:54:21,263 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 22:54:21,265 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 22:54:21,268 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 22:54:21,270 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 22:54:21,273 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:54:21,277 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:54:21,538 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 22:54:21,540 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 22:54:21,543 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:54:21,545 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 22:54:21,547 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 22:54:21,551 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:54:21,554 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:54:21,557 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:54:21,559 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 22:54:21,562 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 22:54:21,565 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 22:54:21,892 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-06 22:54:21,892 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-06 22:54:21,893 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:54:21,893 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726fe82f-f935-4528-ba95-f7dfeac24769/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:54:21,894 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726fe82f-f935-4528-ba95-f7dfeac24769/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:54:21,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726fe82f-f935-4528-ba95-f7dfeac24769/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2023-11-06 22:54:21,901 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 22:54:21,914 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:54:21,914 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:54:21,915 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:54:21,915 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:54:21,915 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:54:21,916 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:54:21,916 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:54:21,926 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:54:21,934 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726fe82f-f935-4528-ba95-f7dfeac24769/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2023-11-06 22:54:21,935 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:54:21,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726fe82f-f935-4528-ba95-f7dfeac24769/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:54:21,939 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726fe82f-f935-4528-ba95-f7dfeac24769/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:54:21,954 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 22:54:21,966 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:54:21,966 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:54:21,966 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:54:21,966 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:54:21,967 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:54:21,967 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:54:21,967 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:54:21,970 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726fe82f-f935-4528-ba95-f7dfeac24769/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2023-11-06 22:54:21,992 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:54:21,997 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726fe82f-f935-4528-ba95-f7dfeac24769/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2023-11-06 22:54:21,997 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:54:21,998 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726fe82f-f935-4528-ba95-f7dfeac24769/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:54:21,999 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726fe82f-f935-4528-ba95-f7dfeac24769/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:54:22,010 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 22:54:22,022 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:54:22,022 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:54:22,022 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:54:22,022 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:54:22,022 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:54:22,023 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:54:22,023 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:54:22,029 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726fe82f-f935-4528-ba95-f7dfeac24769/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2023-11-06 22:54:22,041 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:54:22,049 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726fe82f-f935-4528-ba95-f7dfeac24769/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2023-11-06 22:54:22,050 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:54:22,050 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726fe82f-f935-4528-ba95-f7dfeac24769/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:54:22,051 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726fe82f-f935-4528-ba95-f7dfeac24769/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:54:22,060 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 22:54:22,072 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726fe82f-f935-4528-ba95-f7dfeac24769/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2023-11-06 22:54:22,073 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:54:22,073 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:54:22,073 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:54:22,073 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:54:22,074 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:54:22,074 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:54:22,074 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:54:22,092 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:54:22,101 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726fe82f-f935-4528-ba95-f7dfeac24769/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2023-11-06 22:54:22,101 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:54:22,101 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726fe82f-f935-4528-ba95-f7dfeac24769/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:54:22,102 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726fe82f-f935-4528-ba95-f7dfeac24769/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:54:22,106 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 22:54:22,119 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:54:22,119 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:54:22,119 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:54:22,119 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:54:22,119 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:54:22,121 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:54:22,121 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:54:22,122 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726fe82f-f935-4528-ba95-f7dfeac24769/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2023-11-06 22:54:22,144 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:54:22,153 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726fe82f-f935-4528-ba95-f7dfeac24769/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2023-11-06 22:54:22,153 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:54:22,153 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726fe82f-f935-4528-ba95-f7dfeac24769/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:54:22,154 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726fe82f-f935-4528-ba95-f7dfeac24769/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:54:22,159 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 22:54:22,171 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:54:22,171 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:54:22,172 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:54:22,172 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:54:22,172 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:54:22,172 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:54:22,172 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:54:22,173 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726fe82f-f935-4528-ba95-f7dfeac24769/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2023-11-06 22:54:22,181 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:54:22,191 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726fe82f-f935-4528-ba95-f7dfeac24769/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2023-11-06 22:54:22,191 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:54:22,191 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726fe82f-f935-4528-ba95-f7dfeac24769/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:54:22,192 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726fe82f-f935-4528-ba95-f7dfeac24769/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:54:22,197 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 22:54:22,210 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726fe82f-f935-4528-ba95-f7dfeac24769/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2023-11-06 22:54:22,210 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:54:22,211 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:54:22,211 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:54:22,211 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:54:22,211 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:54:22,212 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:54:22,212 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:54:22,221 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:54:22,230 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726fe82f-f935-4528-ba95-f7dfeac24769/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2023-11-06 22:54:22,230 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:54:22,231 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726fe82f-f935-4528-ba95-f7dfeac24769/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:54:22,232 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726fe82f-f935-4528-ba95-f7dfeac24769/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:54:22,243 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 22:54:22,244 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726fe82f-f935-4528-ba95-f7dfeac24769/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2023-11-06 22:54:22,255 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:54:22,256 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:54:22,256 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:54:22,256 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:54:22,256 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:54:22,257 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:54:22,257 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:54:22,272 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:54:22,281 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726fe82f-f935-4528-ba95-f7dfeac24769/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2023-11-06 22:54:22,281 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:54:22,281 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726fe82f-f935-4528-ba95-f7dfeac24769/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:54:22,283 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726fe82f-f935-4528-ba95-f7dfeac24769/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:54:22,293 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 22:54:22,306 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726fe82f-f935-4528-ba95-f7dfeac24769/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2023-11-06 22:54:22,306 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:54:22,306 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:54:22,307 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:54:22,307 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:54:22,307 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:54:22,307 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:54:22,307 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:54:22,324 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:54:22,333 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726fe82f-f935-4528-ba95-f7dfeac24769/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2023-11-06 22:54:22,333 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:54:22,334 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726fe82f-f935-4528-ba95-f7dfeac24769/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:54:22,335 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726fe82f-f935-4528-ba95-f7dfeac24769/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:54:22,339 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 22:54:22,352 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726fe82f-f935-4528-ba95-f7dfeac24769/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2023-11-06 22:54:22,352 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:54:22,353 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:54:22,353 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:54:22,353 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:54:22,353 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:54:22,354 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:54:22,354 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:54:22,363 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:54:22,373 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726fe82f-f935-4528-ba95-f7dfeac24769/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2023-11-06 22:54:22,373 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:54:22,373 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726fe82f-f935-4528-ba95-f7dfeac24769/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:54:22,374 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726fe82f-f935-4528-ba95-f7dfeac24769/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:54:22,381 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726fe82f-f935-4528-ba95-f7dfeac24769/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2023-11-06 22:54:22,381 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 22:54:22,394 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:54:22,394 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:54:22,394 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:54:22,394 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:54:22,395 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:54:22,395 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:54:22,395 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:54:22,396 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:54:22,405 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726fe82f-f935-4528-ba95-f7dfeac24769/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2023-11-06 22:54:22,405 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:54:22,405 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726fe82f-f935-4528-ba95-f7dfeac24769/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:54:22,406 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726fe82f-f935-4528-ba95-f7dfeac24769/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:54:22,408 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726fe82f-f935-4528-ba95-f7dfeac24769/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2023-11-06 22:54:22,409 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 22:54:22,419 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:54:22,419 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:54:22,420 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:54:22,420 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:54:22,420 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:54:22,420 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:54:22,420 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:54:22,448 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:54:22,457 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726fe82f-f935-4528-ba95-f7dfeac24769/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2023-11-06 22:54:22,458 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:54:22,458 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726fe82f-f935-4528-ba95-f7dfeac24769/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:54:22,459 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726fe82f-f935-4528-ba95-f7dfeac24769/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:54:22,464 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726fe82f-f935-4528-ba95-f7dfeac24769/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2023-11-06 22:54:22,465 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 22:54:22,477 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:54:22,477 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:54:22,478 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:54:22,478 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:54:22,480 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 22:54:22,480 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 22:54:22,496 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:54:22,502 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726fe82f-f935-4528-ba95-f7dfeac24769/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2023-11-06 22:54:22,502 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:54:22,502 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726fe82f-f935-4528-ba95-f7dfeac24769/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:54:22,503 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726fe82f-f935-4528-ba95-f7dfeac24769/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:54:22,508 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 22:54:22,521 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726fe82f-f935-4528-ba95-f7dfeac24769/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2023-11-06 22:54:22,521 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:54:22,522 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:54:22,522 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:54:22,522 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:54:22,524 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 22:54:22,524 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 22:54:22,541 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:54:22,550 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726fe82f-f935-4528-ba95-f7dfeac24769/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2023-11-06 22:54:22,551 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:54:22,551 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726fe82f-f935-4528-ba95-f7dfeac24769/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:54:22,552 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726fe82f-f935-4528-ba95-f7dfeac24769/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:54:22,556 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726fe82f-f935-4528-ba95-f7dfeac24769/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2023-11-06 22:54:22,557 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 22:54:22,569 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:54:22,570 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:54:22,570 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:54:22,570 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:54:22,573 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 22:54:22,573 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 22:54:22,596 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:54:22,600 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726fe82f-f935-4528-ba95-f7dfeac24769/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2023-11-06 22:54:22,600 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:54:22,601 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726fe82f-f935-4528-ba95-f7dfeac24769/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:54:22,602 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726fe82f-f935-4528-ba95-f7dfeac24769/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:54:22,609 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 22:54:22,621 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:54:22,621 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:54:22,622 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:54:22,622 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:54:22,623 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726fe82f-f935-4528-ba95-f7dfeac24769/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2023-11-06 22:54:22,627 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 22:54:22,627 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 22:54:22,648 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:54:22,653 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726fe82f-f935-4528-ba95-f7dfeac24769/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2023-11-06 22:54:22,653 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:54:22,653 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726fe82f-f935-4528-ba95-f7dfeac24769/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:54:22,655 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726fe82f-f935-4528-ba95-f7dfeac24769/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:54:22,661 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 22:54:22,673 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:54:22,674 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:54:22,674 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:54:22,674 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:54:22,675 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726fe82f-f935-4528-ba95-f7dfeac24769/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2023-11-06 22:54:22,680 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 22:54:22,680 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 22:54:22,697 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:54:22,701 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726fe82f-f935-4528-ba95-f7dfeac24769/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2023-11-06 22:54:22,701 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:54:22,702 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726fe82f-f935-4528-ba95-f7dfeac24769/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:54:22,703 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726fe82f-f935-4528-ba95-f7dfeac24769/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:54:22,713 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 22:54:22,726 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:54:22,726 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:54:22,726 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:54:22,726 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:54:22,726 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726fe82f-f935-4528-ba95-f7dfeac24769/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2023-11-06 22:54:22,731 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 22:54:22,731 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 22:54:22,748 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:54:22,774 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726fe82f-f935-4528-ba95-f7dfeac24769/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2023-11-06 22:54:22,775 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:54:22,775 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726fe82f-f935-4528-ba95-f7dfeac24769/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:54:22,776 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726fe82f-f935-4528-ba95-f7dfeac24769/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:54:22,781 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 22:54:22,793 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:54:22,794 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:54:22,794 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:54:22,794 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:54:22,795 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726fe82f-f935-4528-ba95-f7dfeac24769/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2023-11-06 22:54:22,796 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 22:54:22,796 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 22:54:22,824 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:54:22,832 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726fe82f-f935-4528-ba95-f7dfeac24769/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2023-11-06 22:54:22,833 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:54:22,833 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726fe82f-f935-4528-ba95-f7dfeac24769/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:54:22,834 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726fe82f-f935-4528-ba95-f7dfeac24769/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:54:22,841 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 22:54:22,853 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:54:22,853 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:54:22,853 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:54:22,854 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:54:22,854 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726fe82f-f935-4528-ba95-f7dfeac24769/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2023-11-06 22:54:22,860 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 22:54:22,860 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 22:54:22,880 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-06 22:54:22,899 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2023-11-06 22:54:22,899 INFO L444 ModelExtractionUtils]: 2 out of 16 variables were initially zero. Simplification set additionally 11 variables to zero. [2023-11-06 22:54:22,899 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:54:22,900 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726fe82f-f935-4528-ba95-f7dfeac24769/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:54:22,903 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726fe82f-f935-4528-ba95-f7dfeac24769/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:54:22,904 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-06 22:54:22,924 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726fe82f-f935-4528-ba95-f7dfeac24769/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2023-11-06 22:54:22,926 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-06 22:54:22,927 INFO L513 LassoAnalysis]: Proved termination. [2023-11-06 22:54:22,927 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_atoll_~s#1.offset, v_rep(select #length ULTIMATE.start_main_#t~malloc13#1.base)_2) = -1*ULTIMATE.start_atoll_~s#1.offset + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc13#1.base)_2 Supporting invariants [] [2023-11-06 22:54:22,936 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726fe82f-f935-4528-ba95-f7dfeac24769/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2023-11-06 22:54:22,954 INFO L156 tatePredicateManager]: 5 out of 6 supporting invariants were superfluous and have been removed [2023-11-06 22:54:22,957 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[#t~malloc13!base] could not be translated [2023-11-06 22:54:22,958 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: Expression ~s!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-06 22:54:22,982 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:54:23,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:23,009 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-06 22:54:23,011 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:54:23,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:23,057 WARN L260 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-06 22:54:23,057 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:54:23,084 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 22:54:23,085 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 22:54:23,085 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 22 states and 28 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 22:54:23,170 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 22 states and 28 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 38 states and 51 transitions. Complement of second has 7 states. [2023-11-06 22:54:23,171 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 22:54:23,173 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 22:54:23,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 24 transitions. [2023-11-06 22:54:23,173 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 24 transitions. Stem has 9 letters. Loop has 2 letters. [2023-11-06 22:54:23,174 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 22:54:23,174 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 24 transitions. Stem has 11 letters. Loop has 2 letters. [2023-11-06 22:54:23,174 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 22:54:23,174 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 24 transitions. Stem has 9 letters. Loop has 4 letters. [2023-11-06 22:54:23,174 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 22:54:23,174 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 38 states and 51 transitions. [2023-11-06 22:54:23,177 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-06 22:54:23,177 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 38 states to 0 states and 0 transitions. [2023-11-06 22:54:23,177 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-11-06 22:54:23,177 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-11-06 22:54:23,178 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-11-06 22:54:23,178 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:54:23,178 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-06 22:54:23,178 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-06 22:54:23,178 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-06 22:54:23,178 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2023-11-06 22:54:23,178 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-11-06 22:54:23,178 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-06 22:54:23,178 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-11-06 22:54:23,186 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 06.11 10:54:23 BoogieIcfgContainer [2023-11-06 22:54:23,186 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-06 22:54:23,187 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 22:54:23,187 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 22:54:23,187 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 22:54:23,187 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:54:16" (3/4) ... [2023-11-06 22:54:23,189 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-06 22:54:23,191 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 22:54:23,191 INFO L158 Benchmark]: Toolchain (without parser) took 8132.41ms. Allocated memory was 127.9MB in the beginning and 180.4MB in the end (delta: 52.4MB). Free memory was 93.5MB in the beginning and 119.6MB in the end (delta: -26.1MB). Peak memory consumption was 29.2MB. Max. memory is 16.1GB. [2023-11-06 22:54:23,192 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 127.9MB. Free memory is still 75.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:54:23,192 INFO L158 Benchmark]: CACSL2BoogieTranslator took 536.64ms. Allocated memory is still 127.9MB. Free memory was 93.2MB in the beginning and 77.1MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-06 22:54:23,193 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.36ms. Allocated memory is still 127.9MB. Free memory was 77.1MB in the beginning and 75.3MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:54:23,193 INFO L158 Benchmark]: Boogie Preprocessor took 36.54ms. Allocated memory is still 127.9MB. Free memory was 75.3MB in the beginning and 74.0MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:54:23,194 INFO L158 Benchmark]: RCFGBuilder took 585.21ms. Allocated memory was 127.9MB in the beginning and 180.4MB in the end (delta: 52.4MB). Free memory was 73.7MB in the beginning and 149.3MB in the end (delta: -75.6MB). Peak memory consumption was 17.3MB. Max. memory is 16.1GB. [2023-11-06 22:54:23,194 INFO L158 Benchmark]: BuchiAutomizer took 6911.17ms. Allocated memory is still 180.4MB. Free memory was 149.1MB in the beginning and 119.6MB in the end (delta: 29.5MB). Peak memory consumption was 28.6MB. Max. memory is 16.1GB. [2023-11-06 22:54:23,194 INFO L158 Benchmark]: Witness Printer took 4.37ms. Allocated memory is still 180.4MB. Free memory is still 119.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:54:23,198 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41ms. Allocated memory is still 127.9MB. Free memory is still 75.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 536.64ms. Allocated memory is still 127.9MB. Free memory was 93.2MB in the beginning and 77.1MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.36ms. Allocated memory is still 127.9MB. Free memory was 77.1MB in the beginning and 75.3MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.54ms. Allocated memory is still 127.9MB. Free memory was 75.3MB in the beginning and 74.0MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 585.21ms. Allocated memory was 127.9MB in the beginning and 180.4MB in the end (delta: 52.4MB). Free memory was 73.7MB in the beginning and 149.3MB in the end (delta: -75.6MB). Peak memory consumption was 17.3MB. Max. memory is 16.1GB. * BuchiAutomizer took 6911.17ms. Allocated memory is still 180.4MB. Free memory was 149.1MB in the beginning and 119.6MB in the end (delta: 29.5MB). Peak memory consumption was 28.6MB. Max. memory is 16.1GB. * Witness Printer took 4.37ms. Allocated memory is still 180.4MB. Free memory is still 119.6MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[#t~malloc13!base] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression ~s!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 4 terminating modules (2 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. 2 modules have a trivial ranking function, the largest among these consists of 17 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 6.8s and 5 iterations. TraceHistogramMax:2. Analysis of lassos took 6.0s. Construction of modules took 0.1s. Büchi inclusion checks took 0.5s. Highest rank in rank-based complementation 3. Minimization of det autom 4. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 14 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 117 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 116 mSDsluCounter, 203 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 150 mSDsCounter, 17 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 118 IncrementalHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 17 mSolverCounterUnsat, 53 mSDtfsCounter, 118 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU1 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital166 mio100 ax100 hnf100 lsp106 ukn51 mio100 lsp45 div143 bol100 ite100 ukn100 eq173 hnf91 smp85 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 66ms VariablesStem: 1 VariablesLoop: 1 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 22:54:23,224 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726fe82f-f935-4528-ba95-f7dfeac24769/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2023-11-06 22:54:23,429 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726fe82f-f935-4528-ba95-f7dfeac24769/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-06 22:54:23,629 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_726fe82f-f935-4528-ba95-f7dfeac24769/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