./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loop-invgen/heapsort.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loop-invgen/heapsort.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8e7c8e5dc2a9e8f11b25d1bb9948f05f37b9553e3dc9f8bd8213088dea43cb37 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:22:37,075 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:22:37,185 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Termination-32bit-Automizer_Default.epf [2023-11-21 22:22:37,195 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:22:37,196 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:22:37,237 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:22:37,238 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:22:37,239 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:22:37,240 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 22:22:37,243 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 22:22:37,244 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:22:37,244 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:22:37,245 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:22:37,245 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-21 22:22:37,246 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-21 22:22:37,246 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-21 22:22:37,247 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-21 22:22:37,247 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-21 22:22:37,248 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-21 22:22:37,248 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:22:37,248 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-21 22:22:37,255 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 22:22:37,256 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 22:22:37,256 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 22:22:37,256 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:22:37,257 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-21 22:22:37,257 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-21 22:22:37,258 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-21 22:22:37,258 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 22:22:37,259 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 22:22:37,260 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:22:37,260 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-21 22:22:37,261 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:22:37,261 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:22:37,261 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:22:37,262 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:22:37,262 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 22:22:37,263 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-21 22:22:37,263 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_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8e7c8e5dc2a9e8f11b25d1bb9948f05f37b9553e3dc9f8bd8213088dea43cb37 [2023-11-21 22:22:37,547 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:22:37,584 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:22:37,586 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:22:37,588 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:22:37,588 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:22:37,590 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/loop-invgen/heapsort.i [2023-11-21 22:22:40,566 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:22:40,792 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:22:40,793 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/sv-benchmarks/c/loop-invgen/heapsort.i [2023-11-21 22:22:40,804 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/data/d976cc404/d362afc5f6f646079782a52d9506309c/FLAG244ecdfbc [2023-11-21 22:22:40,826 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/data/d976cc404/d362afc5f6f646079782a52d9506309c [2023-11-21 22:22:40,834 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:22:40,838 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:22:40,840 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:22:40,841 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:22:40,847 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:22:40,848 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:22:40" (1/1) ... [2023-11-21 22:22:40,849 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7208db41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:22:40, skipping insertion in model container [2023-11-21 22:22:40,850 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:22:40" (1/1) ... [2023-11-21 22:22:40,882 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:22:41,127 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:22:41,146 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 22:22:41,187 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:22:41,209 INFO L206 MainTranslator]: Completed translation [2023-11-21 22:22:41,209 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:22:41 WrapperNode [2023-11-21 22:22:41,210 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:22:41,211 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 22:22:41,211 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 22:22:41,211 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 22:22:41,220 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:22:41" (1/1) ... [2023-11-21 22:22:41,241 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:22:41" (1/1) ... [2023-11-21 22:22:41,287 INFO L138 Inliner]: procedures = 16, calls = 21, calls flagged for inlining = 17, calls inlined = 30, statements flattened = 201 [2023-11-21 22:22:41,287 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 22:22:41,288 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 22:22:41,288 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 22:22:41,289 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 22:22:41,301 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:22:41" (1/1) ... [2023-11-21 22:22:41,302 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:22:41" (1/1) ... [2023-11-21 22:22:41,315 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:22:41" (1/1) ... [2023-11-21 22:22:41,328 INFO L187 HeapSplitter]: Split 2 memory accesses to 1 slices as follows [2] [2023-11-21 22:22:41,329 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:22:41" (1/1) ... [2023-11-21 22:22:41,329 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:22:41" (1/1) ... [2023-11-21 22:22:41,335 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:22:41" (1/1) ... [2023-11-21 22:22:41,352 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:22:41" (1/1) ... [2023-11-21 22:22:41,356 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:22:41" (1/1) ... [2023-11-21 22:22:41,366 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:22:41" (1/1) ... [2023-11-21 22:22:41,369 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 22:22:41,371 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 22:22:41,371 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 22:22:41,371 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 22:22:41,372 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:22:41" (1/1) ... [2023-11-21 22:22:41,379 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:22:41,395 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:22:41,408 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:22:41,427 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-21 22:22:41,453 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 22:22:41,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-21 22:22:41,454 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 22:22:41,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 22:22:41,533 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 22:22:41,535 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 22:22:41,927 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 22:22:41,939 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 22:22:41,939 INFO L308 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-21 22:22:41,941 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:22:41 BoogieIcfgContainer [2023-11-21 22:22:41,942 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 22:22:41,946 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-21 22:22:41,946 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-21 22:22:41,950 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-21 22:22:41,951 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-21 22:22:41,951 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.11 10:22:40" (1/3) ... [2023-11-21 22:22:41,953 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1799b76c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.11 10:22:41, skipping insertion in model container [2023-11-21 22:22:41,953 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-21 22:22:41,955 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:22:41" (2/3) ... [2023-11-21 22:22:41,957 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1799b76c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.11 10:22:41, skipping insertion in model container [2023-11-21 22:22:41,958 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-21 22:22:41,958 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:22:41" (3/3) ... [2023-11-21 22:22:41,959 INFO L332 chiAutomizerObserver]: Analyzing ICFG heapsort.i [2023-11-21 22:22:42,036 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-21 22:22:42,037 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-21 22:22:42,037 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-21 22:22:42,037 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-21 22:22:42,038 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-21 22:22:42,038 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-21 22:22:42,038 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-21 22:22:42,039 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-21 22:22:42,045 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 85 states, 84 states have (on average 1.4523809523809523) internal successors, (122), 84 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:22:42,075 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 77 [2023-11-21 22:22:42,075 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-21 22:22:42,075 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-21 22:22:42,084 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2023-11-21 22:22:42,084 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:22:42,084 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-21 22:22:42,086 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 85 states, 84 states have (on average 1.4523809523809523) internal successors, (122), 84 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:22:42,102 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 77 [2023-11-21 22:22:42,102 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-21 22:22:42,102 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-21 22:22:42,104 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2023-11-21 22:22:42,105 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:22:42,114 INFO L748 eck$LassoCheckResult]: Stem: 40#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(9, 2); 52#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;main_#in~argc#1, main_#in~argv#1.base, main_#in~argv#1.offset := #in~argc#1, #in~argv#1.base, #in~argv#1.offset;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~post2#1, main_#t~post3#1, main_#t~nondet4#1, main_#t~nondet5#1, main_#t~post6#1, main_#t~post7#1, main_~argc#1, main_~n~0#1, main_~l~0#1, main_~r~0#1, main_~i~0#1, main_~j~0#1;main_~argc#1 := main_#in~argc#1;havoc main_~n~0#1;havoc main_~l~0#1;havoc main_~r~0#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_#t~nondet1#1;main_~n~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 24#L27true assume !!(1 <= main_~n~0#1 && main_~n~0#1 <= 1000000);main_~l~0#1 := 1 + (if main_~n~0#1 < 0 && 0 != main_~n~0#1 % 2 then 1 + main_~n~0#1 / 2 else main_~n~0#1 / 2);main_~r~0#1 := main_~n~0#1; 3#L30true assume !(main_~l~0#1 > 1);main_#t~post3#1 := main_~r~0#1;main_~r~0#1 := main_#t~post3#1 - 1;havoc main_#t~post3#1; 17#L59-1true [2023-11-21 22:22:42,115 INFO L750 eck$LassoCheckResult]: Loop: 17#L59-1true assume !!(main_~r~0#1 > 1);main_~i~0#1 := main_~l~0#1;main_~j~0#1 := 2 * main_~l~0#1; 72#L38-2true assume !(main_~j~0#1 <= main_~r~0#1); 49#L38-3true assume main_~l~0#1 > 1;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 1 <= main_~l~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 16#L18-30true assume !(0 == __VERIFIER_assert_~cond#1); 25#L18-32true havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_~l~0#1 <= main_~n~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 46#L18-33true assume !(0 == __VERIFIER_assert_~cond#1); 14#L18-35true havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;main_#t~post6#1 := main_~l~0#1;main_~l~0#1 := main_#t~post6#1 - 1;havoc main_#t~post6#1; 17#L59-1true [2023-11-21 22:22:42,121 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:22:42,121 INFO L85 PathProgramCache]: Analyzing trace with hash 925672, now seen corresponding path program 1 times [2023-11-21 22:22:42,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:22:42,131 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1595190388] [2023-11-21 22:22:42,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:22:42,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:22:42,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:22:42,234 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:22:42,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:22:42,266 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:22:42,269 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:22:42,269 INFO L85 PathProgramCache]: Analyzing trace with hash -78633890, now seen corresponding path program 1 times [2023-11-21 22:22:42,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:22:42,270 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2005480479] [2023-11-21 22:22:42,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:22:42,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:22:42,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:22:42,284 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:22:42,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:22:42,303 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:22:42,305 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:22:42,305 INFO L85 PathProgramCache]: Analyzing trace with hash 1881186967, now seen corresponding path program 1 times [2023-11-21 22:22:42,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:22:42,305 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [615011337] [2023-11-21 22:22:42,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:22:42,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:22:42,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:22:42,426 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:22:42,426 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:22:42,427 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [615011337] [2023-11-21 22:22:42,428 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [615011337] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:22:42,428 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:22:42,429 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-21 22:22:42,429 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [445421242] [2023-11-21 22:22:42,430 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:22:42,683 INFO L210 LassoAnalysis]: Preferences: [2023-11-21 22:22:42,684 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-21 22:22:42,684 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-21 22:22:42,684 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-21 22:22:42,685 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-21 22:22:42,685 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:22:42,685 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-21 22:22:42,685 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-21 22:22:42,686 INFO L133 ssoRankerPreferences]: Filename of dumped script: heapsort.i_Iteration1_Loop [2023-11-21 22:22:42,686 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-21 22:22:42,686 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-21 22:22:42,708 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:22:42,737 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:22:42,741 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:22:42,745 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:22:42,832 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-21 22:22:42,836 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-21 22:22:42,839 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:22:42,840 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:22:42,843 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:22:42,863 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-11-21 22:22:42,865 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-21 22:22:42,865 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-21 22:22:42,918 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2023-11-21 22:22:42,918 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:22:42,919 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:22:42,920 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:22:42,924 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-21 22:22:42,924 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-21 22:22:42,924 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-11-21 22:22:43,310 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-11-21 22:22:43,315 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2023-11-21 22:22:43,315 INFO L210 LassoAnalysis]: Preferences: [2023-11-21 22:22:43,316 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-21 22:22:43,316 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-21 22:22:43,316 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-21 22:22:43,316 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-21 22:22:43,316 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:22:43,316 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-21 22:22:43,317 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-21 22:22:43,317 INFO L133 ssoRankerPreferences]: Filename of dumped script: heapsort.i_Iteration1_Loop [2023-11-21 22:22:43,317 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-21 22:22:43,317 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-21 22:22:43,327 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:22:43,334 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:22:43,339 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:22:43,348 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:22:43,482 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-21 22:22:43,488 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-21 22:22:43,489 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:22:43,490 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:22:43,491 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:22:43,506 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-21 22:22:43,519 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-11-21 22:22:43,522 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:22:43,523 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:22:43,523 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:22:43,524 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:22:43,524 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:22:43,526 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:22:43,526 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:22:43,537 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:22:43,565 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2023-11-21 22:22:43,565 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:22:43,566 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:22:43,568 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:22:43,609 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-11-21 22:22:43,610 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-21 22:22:43,628 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:22:43,629 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:22:43,629 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:22:43,629 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:22:43,629 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:22:43,635 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:22:43,635 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:22:43,651 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:22:43,671 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2023-11-21 22:22:43,672 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:22:43,672 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:22:43,704 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:22:43,707 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2023-11-21 22:22:43,708 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-21 22:22:43,722 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:22:43,722 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:22:43,722 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:22:43,722 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:22:43,722 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:22:43,725 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:22:43,725 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:22:43,735 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:22:43,759 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2023-11-21 22:22:43,760 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:22:43,760 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:22:43,761 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:22:43,767 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2023-11-21 22:22:43,768 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-21 22:22:43,783 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:22:43,783 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:22:43,783 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:22:43,783 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:22:43,783 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:22:43,787 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:22:43,787 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:22:43,807 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-21 22:22:43,815 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2023-11-21 22:22:43,816 INFO L444 ModelExtractionUtils]: 4 out of 7 variables were initially zero. Simplification set additionally 1 variables to zero. [2023-11-21 22:22:43,818 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:22:43,818 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:22:43,820 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:22:43,831 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2023-11-21 22:22:43,831 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-21 22:22:43,832 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-11-21 22:22:43,832 INFO L513 LassoAnalysis]: Proved termination. [2023-11-21 22:22:43,832 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~l~0#1) = 1*ULTIMATE.start_main_~l~0#1 Supporting invariants [] [2023-11-21 22:22:43,856 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2023-11-21 22:22:43,860 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-11-21 22:22:43,895 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:22:43,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:22:43,919 INFO L262 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 22:22:43,920 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:22:43,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:22:43,952 INFO L262 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 22:22:43,954 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:22:44,033 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:22:44,075 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2023-11-21 22:22:44,077 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 85 states, 84 states have (on average 1.4523809523809523) internal successors, (122), 84 states have internal predecessors, (122), 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 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:22:44,214 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 85 states, 84 states have (on average 1.4523809523809523) internal successors, (122), 84 states have internal predecessors, (122), 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 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 304 states and 425 transitions. Complement of second has 8 states. [2023-11-21 22:22:44,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2023-11-21 22:22:44,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:22:44,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 327 transitions. [2023-11-21 22:22:44,232 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 327 transitions. Stem has 4 letters. Loop has 7 letters. [2023-11-21 22:22:44,233 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:22:44,233 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 327 transitions. Stem has 11 letters. Loop has 7 letters. [2023-11-21 22:22:44,233 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:22:44,234 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 327 transitions. Stem has 4 letters. Loop has 14 letters. [2023-11-21 22:22:44,234 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:22:44,238 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 304 states and 425 transitions. [2023-11-21 22:22:44,257 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 66 [2023-11-21 22:22:44,263 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 304 states to 108 states and 126 transitions. [2023-11-21 22:22:44,264 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 71 [2023-11-21 22:22:44,265 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 72 [2023-11-21 22:22:44,268 INFO L73 IsDeterministic]: Start isDeterministic. Operand 108 states and 126 transitions. [2023-11-21 22:22:44,269 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-21 22:22:44,269 INFO L218 hiAutomatonCegarLoop]: Abstraction has 108 states and 126 transitions. [2023-11-21 22:22:44,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states and 126 transitions. [2023-11-21 22:22:44,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 107. [2023-11-21 22:22:44,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 107 states have (on average 1.158878504672897) internal successors, (124), 106 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:22:44,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 124 transitions. [2023-11-21 22:22:44,310 INFO L240 hiAutomatonCegarLoop]: Abstraction has 107 states and 124 transitions. [2023-11-21 22:22:44,310 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:22:44,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:22:44,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:22:44,314 INFO L87 Difference]: Start difference. First operand 107 states and 124 transitions. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:22:44,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:22:44,341 INFO L93 Difference]: Finished difference Result 129 states and 148 transitions. [2023-11-21 22:22:44,342 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 129 states and 148 transitions. [2023-11-21 22:22:44,344 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 93 [2023-11-21 22:22:44,345 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 129 states to 98 states and 112 transitions. [2023-11-21 22:22:44,346 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 98 [2023-11-21 22:22:44,346 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 98 [2023-11-21 22:22:44,347 INFO L73 IsDeterministic]: Start isDeterministic. Operand 98 states and 112 transitions. [2023-11-21 22:22:44,348 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:22:44,348 INFO L218 hiAutomatonCegarLoop]: Abstraction has 98 states and 112 transitions. [2023-11-21 22:22:44,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states and 112 transitions. [2023-11-21 22:22:44,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 66. [2023-11-21 22:22:44,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 66 states have (on average 1.1515151515151516) internal successors, (76), 65 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:22:44,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 76 transitions. [2023-11-21 22:22:44,355 INFO L240 hiAutomatonCegarLoop]: Abstraction has 66 states and 76 transitions. [2023-11-21 22:22:44,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 22:22:44,356 INFO L428 stractBuchiCegarLoop]: Abstraction has 66 states and 76 transitions. [2023-11-21 22:22:44,357 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-21 22:22:44,357 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 66 states and 76 transitions. [2023-11-21 22:22:44,358 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 62 [2023-11-21 22:22:44,358 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-21 22:22:44,358 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-21 22:22:44,358 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2023-11-21 22:22:44,358 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:22:44,359 INFO L748 eck$LassoCheckResult]: Stem: 724#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(9, 2); 699#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;main_#in~argc#1, main_#in~argv#1.base, main_#in~argv#1.offset := #in~argc#1, #in~argv#1.base, #in~argv#1.offset;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~post2#1, main_#t~post3#1, main_#t~nondet4#1, main_#t~nondet5#1, main_#t~post6#1, main_#t~post7#1, main_~argc#1, main_~n~0#1, main_~l~0#1, main_~r~0#1, main_~i~0#1, main_~j~0#1;main_~argc#1 := main_#in~argc#1;havoc main_~n~0#1;havoc main_~l~0#1;havoc main_~r~0#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_#t~nondet1#1;main_~n~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 700#L27 assume !!(1 <= main_~n~0#1 && main_~n~0#1 <= 1000000);main_~l~0#1 := 1 + (if main_~n~0#1 < 0 && 0 != main_~n~0#1 % 2 then 1 + main_~n~0#1 / 2 else main_~n~0#1 / 2);main_~r~0#1 := main_~n~0#1; 688#L30 assume main_~l~0#1 > 1;main_#t~post2#1 := main_~l~0#1;main_~l~0#1 := main_#t~post2#1 - 1;havoc main_#t~post2#1; 689#L59-1 [2023-11-21 22:22:44,359 INFO L750 eck$LassoCheckResult]: Loop: 689#L59-1 assume !!(main_~r~0#1 > 1);main_~i~0#1 := main_~l~0#1;main_~j~0#1 := 2 * main_~l~0#1; 729#L38-2 assume !(main_~j~0#1 <= main_~r~0#1); 726#L38-3 assume main_~l~0#1 > 1;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 1 <= main_~l~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 706#L18-30 assume !(0 == __VERIFIER_assert_~cond#1); 707#L18-32 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_~l~0#1 <= main_~n~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 686#L18-33 assume !(0 == __VERIFIER_assert_~cond#1); 687#L18-35 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;main_#t~post6#1 := main_~l~0#1;main_~l~0#1 := main_#t~post6#1 - 1;havoc main_#t~post6#1; 689#L59-1 [2023-11-21 22:22:44,360 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:22:44,360 INFO L85 PathProgramCache]: Analyzing trace with hash 925670, now seen corresponding path program 1 times [2023-11-21 22:22:44,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:22:44,360 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1471114780] [2023-11-21 22:22:44,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:22:44,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:22:44,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:22:44,376 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:22:44,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:22:44,391 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:22:44,392 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:22:44,392 INFO L85 PathProgramCache]: Analyzing trace with hash -78633890, now seen corresponding path program 2 times [2023-11-21 22:22:44,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:22:44,392 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [986924298] [2023-11-21 22:22:44,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:22:44,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:22:44,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:22:44,404 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:22:44,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:22:44,418 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:22:44,419 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:22:44,419 INFO L85 PathProgramCache]: Analyzing trace with hash -1604433703, now seen corresponding path program 1 times [2023-11-21 22:22:44,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:22:44,420 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [718077831] [2023-11-21 22:22:44,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:22:44,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:22:44,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:22:44,652 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:22:44,655 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:22:44,655 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [718077831] [2023-11-21 22:22:44,655 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [718077831] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:22:44,656 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:22:44,656 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-21 22:22:44,656 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1075964062] [2023-11-21 22:22:44,656 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:22:44,818 INFO L210 LassoAnalysis]: Preferences: [2023-11-21 22:22:44,818 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-21 22:22:44,818 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-21 22:22:44,819 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-21 22:22:44,819 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-21 22:22:44,819 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:22:44,819 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-21 22:22:44,819 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-21 22:22:44,820 INFO L133 ssoRankerPreferences]: Filename of dumped script: heapsort.i_Iteration2_Loop [2023-11-21 22:22:44,820 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-21 22:22:44,820 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-21 22:22:44,822 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:22:44,827 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:22:44,831 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:22:44,834 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:22:44,918 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-21 22:22:44,918 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-21 22:22:44,919 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:22:44,919 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:22:44,924 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:22:44,927 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-21 22:22:44,927 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-21 22:22:44,942 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2023-11-21 22:22:44,953 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-21 22:22:44,953 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post6#1=0} Honda state: {ULTIMATE.start_main_#t~post6#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-21 22:22:44,976 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2023-11-21 22:22:44,977 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:22:44,977 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:22:44,979 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:22:44,983 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2023-11-21 22:22:44,984 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-21 22:22:44,984 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-21 22:22:45,032 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-21 22:22:45,032 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start___VERIFIER_assert_~cond#1=0} Honda state: {ULTIMATE.start___VERIFIER_assert_~cond#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-21 22:22:45,060 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2023-11-21 22:22:45,060 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:22:45,060 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:22:45,062 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:22:45,067 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-21 22:22:45,067 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-21 22:22:45,083 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2023-11-21 22:22:45,093 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-21 22:22:45,093 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start___VERIFIER_assert_#in~cond#1=0} Honda state: {ULTIMATE.start___VERIFIER_assert_#in~cond#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-21 22:22:45,122 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2023-11-21 22:22:45,122 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:22:45,123 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:22:45,124 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:22:45,133 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-21 22:22:45,133 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-21 22:22:45,147 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2023-11-21 22:22:45,193 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2023-11-21 22:22:45,193 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:22:45,194 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:22:45,195 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:22:45,205 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-21 22:22:45,205 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-21 22:22:45,225 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2023-11-21 22:22:45,634 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-11-21 22:22:45,638 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2023-11-21 22:22:45,639 INFO L210 LassoAnalysis]: Preferences: [2023-11-21 22:22:45,639 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-21 22:22:45,639 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-21 22:22:45,639 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-21 22:22:45,639 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-21 22:22:45,639 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:22:45,639 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-21 22:22:45,639 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-21 22:22:45,639 INFO L133 ssoRankerPreferences]: Filename of dumped script: heapsort.i_Iteration2_Loop [2023-11-21 22:22:45,639 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-21 22:22:45,640 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-21 22:22:45,641 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:22:45,663 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:22:45,673 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:22:45,677 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:22:45,745 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-21 22:22:45,745 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-21 22:22:45,746 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:22:45,746 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:22:45,747 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:22:45,750 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-21 22:22:45,765 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2023-11-21 22:22:45,766 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:22:45,766 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:22:45,766 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:22:45,766 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:22:45,766 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:22:45,772 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:22:45,772 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:22:45,783 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-21 22:22:45,791 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2023-11-21 22:22:45,791 INFO L444 ModelExtractionUtils]: 4 out of 7 variables were initially zero. Simplification set additionally 1 variables to zero. [2023-11-21 22:22:45,791 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:22:45,792 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:22:45,796 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:22:45,801 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-21 22:22:45,801 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-11-21 22:22:45,801 INFO L513 LassoAnalysis]: Proved termination. [2023-11-21 22:22:45,801 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~l~0#1) = 1*ULTIMATE.start_main_~l~0#1 Supporting invariants [] [2023-11-21 22:22:45,810 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2023-11-21 22:22:45,823 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2023-11-21 22:22:45,824 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-11-21 22:22:45,851 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:22:45,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:22:45,866 INFO L262 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 22:22:45,867 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:22:45,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:22:45,885 INFO L262 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 22:22:45,886 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:22:45,926 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:22:45,927 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2023-11-21 22:22:45,927 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 66 states and 76 transitions. cyclomatic complexity: 12 Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:22:45,965 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 66 states and 76 transitions. cyclomatic complexity: 12. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 160 states and 185 transitions. Complement of second has 6 states. [2023-11-21 22:22:45,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2023-11-21 22:22:45,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:22:45,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 81 transitions. [2023-11-21 22:22:45,967 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 81 transitions. Stem has 4 letters. Loop has 7 letters. [2023-11-21 22:22:45,968 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:22:45,968 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 81 transitions. Stem has 11 letters. Loop has 7 letters. [2023-11-21 22:22:45,969 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:22:45,969 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 81 transitions. Stem has 4 letters. Loop has 14 letters. [2023-11-21 22:22:45,969 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:22:45,970 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 160 states and 185 transitions. [2023-11-21 22:22:45,972 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 87 [2023-11-21 22:22:45,974 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 160 states to 125 states and 145 transitions. [2023-11-21 22:22:45,974 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 93 [2023-11-21 22:22:45,975 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 94 [2023-11-21 22:22:45,975 INFO L73 IsDeterministic]: Start isDeterministic. Operand 125 states and 145 transitions. [2023-11-21 22:22:45,975 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-21 22:22:45,975 INFO L218 hiAutomatonCegarLoop]: Abstraction has 125 states and 145 transitions. [2023-11-21 22:22:45,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states and 145 transitions. [2023-11-21 22:22:45,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 67. [2023-11-21 22:22:45,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 67 states have (on average 1.164179104477612) internal successors, (78), 66 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:22:45,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 78 transitions. [2023-11-21 22:22:45,983 INFO L240 hiAutomatonCegarLoop]: Abstraction has 67 states and 78 transitions. [2023-11-21 22:22:45,983 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:22:45,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-21 22:22:45,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-21 22:22:45,985 INFO L87 Difference]: Start difference. First operand 67 states and 78 transitions. Second operand has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:22:46,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:22:46,181 INFO L93 Difference]: Finished difference Result 207 states and 231 transitions. [2023-11-21 22:22:46,181 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 207 states and 231 transitions. [2023-11-21 22:22:46,186 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 128 [2023-11-21 22:22:46,196 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 207 states to 207 states and 231 transitions. [2023-11-21 22:22:46,196 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 155 [2023-11-21 22:22:46,199 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 155 [2023-11-21 22:22:46,199 INFO L73 IsDeterministic]: Start isDeterministic. Operand 207 states and 231 transitions. [2023-11-21 22:22:46,199 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-21 22:22:46,199 INFO L218 hiAutomatonCegarLoop]: Abstraction has 207 states and 231 transitions. [2023-11-21 22:22:46,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states and 231 transitions. [2023-11-21 22:22:46,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 69. [2023-11-21 22:22:46,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 69 states have (on average 1.1594202898550725) internal successors, (80), 68 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:22:46,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 80 transitions. [2023-11-21 22:22:46,212 INFO L240 hiAutomatonCegarLoop]: Abstraction has 69 states and 80 transitions. [2023-11-21 22:22:46,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-21 22:22:46,213 INFO L428 stractBuchiCegarLoop]: Abstraction has 69 states and 80 transitions. [2023-11-21 22:22:46,214 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-11-21 22:22:46,214 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 69 states and 80 transitions. [2023-11-21 22:22:46,214 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 31 [2023-11-21 22:22:46,215 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-21 22:22:46,215 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-21 22:22:46,215 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2023-11-21 22:22:46,215 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:22:46,216 INFO L748 eck$LassoCheckResult]: Stem: 1314#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(9, 2); 1267#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;main_#in~argc#1, main_#in~argv#1.base, main_#in~argv#1.offset := #in~argc#1, #in~argv#1.base, #in~argv#1.offset;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~post2#1, main_#t~post3#1, main_#t~nondet4#1, main_#t~nondet5#1, main_#t~post6#1, main_#t~post7#1, main_~argc#1, main_~n~0#1, main_~l~0#1, main_~r~0#1, main_~i~0#1, main_~j~0#1;main_~argc#1 := main_#in~argc#1;havoc main_~n~0#1;havoc main_~l~0#1;havoc main_~r~0#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_#t~nondet1#1;main_~n~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 1268#L27 assume !!(1 <= main_~n~0#1 && main_~n~0#1 <= 1000000);main_~l~0#1 := 1 + (if main_~n~0#1 < 0 && 0 != main_~n~0#1 % 2 then 1 + main_~n~0#1 / 2 else main_~n~0#1 / 2);main_~r~0#1 := main_~n~0#1; 1250#L30 assume !(main_~l~0#1 > 1);main_#t~post3#1 := main_~r~0#1;main_~r~0#1 := main_#t~post3#1 - 1;havoc main_#t~post3#1; 1252#L59-1 [2023-11-21 22:22:46,216 INFO L750 eck$LassoCheckResult]: Loop: 1252#L59-1 assume !!(main_~r~0#1 > 1);main_~i~0#1 := main_~l~0#1;main_~j~0#1 := 2 * main_~l~0#1; 1284#L38-2 assume !(main_~j~0#1 <= main_~r~0#1); 1253#L38-3 assume !(main_~l~0#1 > 1);assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 1 <= main_~r~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 1254#L18-36 assume !(0 == __VERIFIER_assert_~cond#1); 1265#L18-38 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_~r~0#1 <= main_~n~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 1266#L18-39 assume !(0 == __VERIFIER_assert_~cond#1); 1269#L18-41 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;main_#t~post7#1 := main_~r~0#1;main_~r~0#1 := main_#t~post7#1 - 1;havoc main_#t~post7#1; 1252#L59-1 [2023-11-21 22:22:46,217 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:22:46,217 INFO L85 PathProgramCache]: Analyzing trace with hash 925672, now seen corresponding path program 2 times [2023-11-21 22:22:46,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:22:46,218 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1220347551] [2023-11-21 22:22:46,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:22:46,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:22:46,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:22:46,228 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:22:46,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:22:46,280 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:22:46,281 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:22:46,281 INFO L85 PathProgramCache]: Analyzing trace with hash -44278910, now seen corresponding path program 1 times [2023-11-21 22:22:46,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:22:46,282 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1731891048] [2023-11-21 22:22:46,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:22:46,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:22:46,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:22:46,330 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:22:46,330 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:22:46,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1731891048] [2023-11-21 22:22:46,331 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1731891048] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:22:46,331 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:22:46,331 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-21 22:22:46,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1543481852] [2023-11-21 22:22:46,331 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:22:46,332 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-21 22:22:46,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:22:46,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-21 22:22:46,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-21 22:22:46,333 INFO L87 Difference]: Start difference. First operand 69 states and 80 transitions. cyclomatic complexity: 13 Second operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:22:46,344 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2023-11-21 22:22:46,403 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2023-11-21 22:22:46,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:22:46,440 INFO L93 Difference]: Finished difference Result 129 states and 146 transitions. [2023-11-21 22:22:46,444 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 129 states and 146 transitions. [2023-11-21 22:22:46,446 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 61 [2023-11-21 22:22:46,448 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 129 states to 128 states and 145 transitions. [2023-11-21 22:22:46,448 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 67 [2023-11-21 22:22:46,448 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 67 [2023-11-21 22:22:46,449 INFO L73 IsDeterministic]: Start isDeterministic. Operand 128 states and 145 transitions. [2023-11-21 22:22:46,449 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-21 22:22:46,449 INFO L218 hiAutomatonCegarLoop]: Abstraction has 128 states and 145 transitions. [2023-11-21 22:22:46,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states and 145 transitions. [2023-11-21 22:22:46,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 69. [2023-11-21 22:22:46,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 69 states have (on average 1.1594202898550725) internal successors, (80), 68 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:22:46,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 80 transitions. [2023-11-21 22:22:46,472 INFO L240 hiAutomatonCegarLoop]: Abstraction has 69 states and 80 transitions. [2023-11-21 22:22:46,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-21 22:22:46,474 INFO L428 stractBuchiCegarLoop]: Abstraction has 69 states and 80 transitions. [2023-11-21 22:22:46,476 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2023-11-21 22:22:46,476 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 69 states and 80 transitions. [2023-11-21 22:22:46,477 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 32 [2023-11-21 22:22:46,477 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-21 22:22:46,477 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-21 22:22:46,478 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2023-11-21 22:22:46,478 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:22:46,478 INFO L748 eck$LassoCheckResult]: Stem: 1521#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(9, 2); 1474#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;main_#in~argc#1, main_#in~argv#1.base, main_#in~argv#1.offset := #in~argc#1, #in~argv#1.base, #in~argv#1.offset;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~post2#1, main_#t~post3#1, main_#t~nondet4#1, main_#t~nondet5#1, main_#t~post6#1, main_#t~post7#1, main_~argc#1, main_~n~0#1, main_~l~0#1, main_~r~0#1, main_~i~0#1, main_~j~0#1;main_~argc#1 := main_#in~argc#1;havoc main_~n~0#1;havoc main_~l~0#1;havoc main_~r~0#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_#t~nondet1#1;main_~n~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 1475#L27 assume !!(1 <= main_~n~0#1 && main_~n~0#1 <= 1000000);main_~l~0#1 := 1 + (if main_~n~0#1 < 0 && 0 != main_~n~0#1 % 2 then 1 + main_~n~0#1 / 2 else main_~n~0#1 / 2);main_~r~0#1 := main_~n~0#1; 1457#L30 assume !(main_~l~0#1 > 1);main_#t~post3#1 := main_~r~0#1;main_~r~0#1 := main_#t~post3#1 - 1;havoc main_#t~post3#1; 1459#L59-1 [2023-11-21 22:22:46,479 INFO L750 eck$LassoCheckResult]: Loop: 1459#L59-1 assume !!(main_~r~0#1 > 1);main_~i~0#1 := main_~l~0#1;main_~j~0#1 := 2 * main_~l~0#1; 1491#L38-2 assume !!(main_~j~0#1 <= main_~r~0#1); 1499#L39 assume !(main_~j~0#1 < main_~r~0#1); 1469#L39-1 assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 1 <= main_~j~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 1477#L18-12 assume !(0 == __VERIFIER_assert_~cond#1); 1478#L18-14 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_~j~0#1 <= main_~n~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 1511#L18-15 assume !(0 == __VERIFIER_assert_~cond#1); 1512#L18-17 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;havoc main_#t~nondet5#1; 1497#L49 assume 0 != main_#t~nondet5#1;havoc main_#t~nondet5#1; 1464#L38-3 assume !(main_~l~0#1 > 1);assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 1 <= main_~r~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 1465#L18-36 assume !(0 == __VERIFIER_assert_~cond#1); 1472#L18-38 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_~r~0#1 <= main_~n~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 1473#L18-39 assume !(0 == __VERIFIER_assert_~cond#1); 1476#L18-41 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;main_#t~post7#1 := main_~r~0#1;main_~r~0#1 := main_#t~post7#1 - 1;havoc main_#t~post7#1; 1459#L59-1 [2023-11-21 22:22:46,479 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:22:46,480 INFO L85 PathProgramCache]: Analyzing trace with hash 925672, now seen corresponding path program 3 times [2023-11-21 22:22:46,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:22:46,481 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [630946412] [2023-11-21 22:22:46,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:22:46,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:22:46,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:22:46,509 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:22:46,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:22:46,519 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:22:46,520 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:22:46,520 INFO L85 PathProgramCache]: Analyzing trace with hash -1259032696, now seen corresponding path program 1 times [2023-11-21 22:22:46,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:22:46,520 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [368396298] [2023-11-21 22:22:46,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:22:46,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:22:46,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:22:46,532 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:22:46,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:22:46,548 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:22:46,549 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:22:46,549 INFO L85 PathProgramCache]: Analyzing trace with hash 727543599, now seen corresponding path program 1 times [2023-11-21 22:22:46,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:22:46,550 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1979253713] [2023-11-21 22:22:46,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:22:46,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:22:46,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:22:46,649 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:22:46,650 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:22:46,650 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1979253713] [2023-11-21 22:22:46,650 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1979253713] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:22:46,650 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:22:46,651 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-21 22:22:46,651 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1051064104] [2023-11-21 22:22:46,651 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:22:46,829 INFO L210 LassoAnalysis]: Preferences: [2023-11-21 22:22:46,829 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-21 22:22:46,829 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-21 22:22:46,829 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-21 22:22:46,830 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-21 22:22:46,830 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:22:46,830 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-21 22:22:46,830 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-21 22:22:46,830 INFO L133 ssoRankerPreferences]: Filename of dumped script: heapsort.i_Iteration4_Loop [2023-11-21 22:22:46,830 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-21 22:22:46,831 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-21 22:22:46,832 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:22:46,834 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:22:46,837 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:22:46,839 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:22:46,855 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:22:46,928 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-21 22:22:46,929 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-21 22:22:46,929 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:22:46,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:22:46,931 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:22:46,936 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2023-11-21 22:22:46,938 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-21 22:22:46,938 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-21 22:22:46,967 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-21 22:22:46,967 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet5#1=0} Honda state: {ULTIMATE.start_main_#t~nondet5#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-21 22:22:46,983 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2023-11-21 22:22:46,984 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:22:46,984 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:22:46,985 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:22:46,986 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2023-11-21 22:22:46,987 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-21 22:22:46,987 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-21 22:22:47,000 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-21 22:22:47,000 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start___VERIFIER_assert_#in~cond#1=0} Honda state: {ULTIMATE.start___VERIFIER_assert_#in~cond#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-21 22:22:47,015 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2023-11-21 22:22:47,015 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:22:47,016 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:22:47,017 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:22:47,018 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2023-11-21 22:22:47,019 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-21 22:22:47,019 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-21 22:22:47,033 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-21 22:22:47,033 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post7#1=0} Honda state: {ULTIMATE.start_main_#t~post7#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-21 22:22:47,055 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2023-11-21 22:22:47,055 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:22:47,056 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:22:47,057 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:22:47,058 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2023-11-21 22:22:47,058 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-21 22:22:47,059 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-21 22:22:47,108 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2023-11-21 22:22:47,109 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:22:47,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:22:47,110 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:22:47,112 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2023-11-21 22:22:47,114 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-21 22:22:47,114 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-21 22:22:47,597 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-11-21 22:22:47,603 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2023-11-21 22:22:47,604 INFO L210 LassoAnalysis]: Preferences: [2023-11-21 22:22:47,605 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-21 22:22:47,605 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-21 22:22:47,605 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-21 22:22:47,605 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-21 22:22:47,605 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:22:47,605 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-21 22:22:47,605 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-21 22:22:47,605 INFO L133 ssoRankerPreferences]: Filename of dumped script: heapsort.i_Iteration4_Loop [2023-11-21 22:22:47,605 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-21 22:22:47,605 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-21 22:22:47,607 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:22:47,610 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:22:47,612 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:22:47,640 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:22:47,646 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:22:47,731 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-21 22:22:47,732 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-21 22:22:47,732 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:22:47,732 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:22:47,735 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:22:47,738 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-21 22:22:47,753 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2023-11-21 22:22:47,754 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:22:47,754 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:22:47,754 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:22:47,754 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:22:47,754 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:22:47,755 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:22:47,755 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:22:47,764 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:22:47,791 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2023-11-21 22:22:47,791 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:22:47,791 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:22:47,793 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:22:47,795 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-21 22:22:47,810 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2023-11-21 22:22:47,810 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:22:47,810 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:22:47,810 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:22:47,811 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:22:47,811 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:22:47,811 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:22:47,812 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:22:47,839 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:22:47,854 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2023-11-21 22:22:47,854 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:22:47,854 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:22:47,855 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:22:47,856 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2023-11-21 22:22:47,857 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-21 22:22:47,869 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:22:47,869 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:22:47,869 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:22:47,869 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:22:47,869 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:22:47,872 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:22:47,872 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:22:47,883 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-21 22:22:47,888 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2023-11-21 22:22:47,888 INFO L444 ModelExtractionUtils]: 4 out of 7 variables were initially zero. Simplification set additionally 1 variables to zero. [2023-11-21 22:22:47,888 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:22:47,889 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:22:47,895 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:22:47,904 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-21 22:22:47,905 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-11-21 22:22:47,905 INFO L513 LassoAnalysis]: Proved termination. [2023-11-21 22:22:47,905 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~r~0#1) = 1*ULTIMATE.start_main_~r~0#1 Supporting invariants [] [2023-11-21 22:22:47,924 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2023-11-21 22:22:47,932 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2023-11-21 22:22:47,933 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-11-21 22:22:47,950 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:22:47,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:22:47,966 INFO L262 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 22:22:47,966 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:22:47,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:22:47,988 INFO L262 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 22:22:47,990 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:22:48,090 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:22:48,090 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2023-11-21 22:22:48,091 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 69 states and 80 transitions. cyclomatic complexity: 13 Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:22:48,137 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 69 states and 80 transitions. cyclomatic complexity: 13. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 133 states and 153 transitions. Complement of second has 4 states. [2023-11-21 22:22:48,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2023-11-21 22:22:48,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:22:48,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 80 transitions. [2023-11-21 22:22:48,142 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 80 transitions. Stem has 4 letters. Loop has 14 letters. [2023-11-21 22:22:48,142 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:22:48,142 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 80 transitions. Stem has 18 letters. Loop has 14 letters. [2023-11-21 22:22:48,145 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:22:48,145 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 80 transitions. Stem has 4 letters. Loop has 28 letters. [2023-11-21 22:22:48,150 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:22:48,150 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 133 states and 153 transitions. [2023-11-21 22:22:48,152 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 57 [2023-11-21 22:22:48,154 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 133 states to 128 states and 147 transitions. [2023-11-21 22:22:48,154 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 63 [2023-11-21 22:22:48,155 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 64 [2023-11-21 22:22:48,155 INFO L73 IsDeterministic]: Start isDeterministic. Operand 128 states and 147 transitions. [2023-11-21 22:22:48,155 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-21 22:22:48,155 INFO L218 hiAutomatonCegarLoop]: Abstraction has 128 states and 147 transitions. [2023-11-21 22:22:48,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states and 147 transitions. [2023-11-21 22:22:48,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 127. [2023-11-21 22:22:48,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 127 states have (on average 1.1496062992125984) internal successors, (146), 126 states have internal predecessors, (146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:22:48,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 146 transitions. [2023-11-21 22:22:48,164 INFO L240 hiAutomatonCegarLoop]: Abstraction has 127 states and 146 transitions. [2023-11-21 22:22:48,164 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:22:48,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-21 22:22:48,164 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-21 22:22:48,165 INFO L87 Difference]: Start difference. First operand 127 states and 146 transitions. Second operand has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:22:48,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:22:48,205 INFO L93 Difference]: Finished difference Result 70 states and 80 transitions. [2023-11-21 22:22:48,206 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 70 states and 80 transitions. [2023-11-21 22:22:48,206 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 32 [2023-11-21 22:22:48,207 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 70 states to 69 states and 79 transitions. [2023-11-21 22:22:48,207 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 37 [2023-11-21 22:22:48,208 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 37 [2023-11-21 22:22:48,208 INFO L73 IsDeterministic]: Start isDeterministic. Operand 69 states and 79 transitions. [2023-11-21 22:22:48,208 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-21 22:22:48,208 INFO L218 hiAutomatonCegarLoop]: Abstraction has 69 states and 79 transitions. [2023-11-21 22:22:48,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states and 79 transitions. [2023-11-21 22:22:48,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2023-11-21 22:22:48,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 69 states have (on average 1.144927536231884) internal successors, (79), 68 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:22:48,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 79 transitions. [2023-11-21 22:22:48,211 INFO L240 hiAutomatonCegarLoop]: Abstraction has 69 states and 79 transitions. [2023-11-21 22:22:48,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-21 22:22:48,212 INFO L428 stractBuchiCegarLoop]: Abstraction has 69 states and 79 transitions. [2023-11-21 22:22:48,212 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2023-11-21 22:22:48,212 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 69 states and 79 transitions. [2023-11-21 22:22:48,213 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 32 [2023-11-21 22:22:48,213 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-21 22:22:48,213 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-21 22:22:48,214 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2023-11-21 22:22:48,214 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:22:48,214 INFO L748 eck$LassoCheckResult]: Stem: 1997#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(9, 2); 1949#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;main_#in~argc#1, main_#in~argv#1.base, main_#in~argv#1.offset := #in~argc#1, #in~argv#1.base, #in~argv#1.offset;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~post2#1, main_#t~post3#1, main_#t~nondet4#1, main_#t~nondet5#1, main_#t~post6#1, main_#t~post7#1, main_~argc#1, main_~n~0#1, main_~l~0#1, main_~r~0#1, main_~i~0#1, main_~j~0#1;main_~argc#1 := main_#in~argc#1;havoc main_~n~0#1;havoc main_~l~0#1;havoc main_~r~0#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_#t~nondet1#1;main_~n~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 1950#L27 assume !!(1 <= main_~n~0#1 && main_~n~0#1 <= 1000000);main_~l~0#1 := 1 + (if main_~n~0#1 < 0 && 0 != main_~n~0#1 % 2 then 1 + main_~n~0#1 / 2 else main_~n~0#1 / 2);main_~r~0#1 := main_~n~0#1; 1933#L30 assume main_~l~0#1 > 1;main_#t~post2#1 := main_~l~0#1;main_~l~0#1 := main_#t~post2#1 - 1;havoc main_#t~post2#1; 1934#L59-1 assume !!(main_~r~0#1 > 1);main_~i~0#1 := main_~l~0#1;main_~j~0#1 := 2 * main_~l~0#1; 1967#L38-2 [2023-11-21 22:22:48,214 INFO L750 eck$LassoCheckResult]: Loop: 1967#L38-2 assume !!(main_~j~0#1 <= main_~r~0#1); 1979#L39 assume !(main_~j~0#1 < main_~r~0#1); 1944#L39-1 assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 1 <= main_~j~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 1952#L18-12 assume !(0 == __VERIFIER_assert_~cond#1); 1953#L18-14 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_~j~0#1 <= main_~n~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 1987#L18-15 assume !(0 == __VERIFIER_assert_~cond#1); 1988#L18-17 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;havoc main_#t~nondet5#1; 1973#L49 assume 0 != main_#t~nondet5#1;havoc main_#t~nondet5#1; 1939#L38-3 assume !(main_~l~0#1 > 1);assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 1 <= main_~r~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 1940#L18-36 assume !(0 == __VERIFIER_assert_~cond#1); 1947#L18-38 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_~r~0#1 <= main_~n~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 1948#L18-39 assume !(0 == __VERIFIER_assert_~cond#1); 1951#L18-41 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;main_#t~post7#1 := main_~r~0#1;main_~r~0#1 := main_#t~post7#1 - 1;havoc main_#t~post7#1; 1961#L59-1 assume !!(main_~r~0#1 > 1);main_~i~0#1 := main_~l~0#1;main_~j~0#1 := 2 * main_~l~0#1; 1967#L38-2 [2023-11-21 22:22:48,214 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:22:48,215 INFO L85 PathProgramCache]: Analyzing trace with hash 28695791, now seen corresponding path program 1 times [2023-11-21 22:22:48,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:22:48,215 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [635720332] [2023-11-21 22:22:48,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:22:48,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:22:48,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:22:48,225 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:22:48,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:22:48,233 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:22:48,234 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:22:48,234 INFO L85 PathProgramCache]: Analyzing trace with hash 48961178, now seen corresponding path program 2 times [2023-11-21 22:22:48,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:22:48,234 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1550274780] [2023-11-21 22:22:48,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:22:48,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:22:48,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:22:48,245 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:22:48,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:22:48,253 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:22:48,254 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:22:48,254 INFO L85 PathProgramCache]: Analyzing trace with hash 2100083464, now seen corresponding path program 1 times [2023-11-21 22:22:48,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:22:48,254 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [220430849] [2023-11-21 22:22:48,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:22:48,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:22:48,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:22:48,431 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:22:48,432 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:22:48,437 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [220430849] [2023-11-21 22:22:48,437 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [220430849] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:22:48,438 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:22:48,438 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-21 22:22:48,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2081324796] [2023-11-21 22:22:48,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:22:48,451 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2023-11-21 22:22:48,627 INFO L210 LassoAnalysis]: Preferences: [2023-11-21 22:22:48,627 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-21 22:22:48,627 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-21 22:22:48,627 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-21 22:22:48,627 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-21 22:22:48,627 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:22:48,628 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-21 22:22:48,628 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-21 22:22:48,628 INFO L133 ssoRankerPreferences]: Filename of dumped script: heapsort.i_Iteration5_Loop [2023-11-21 22:22:48,628 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-21 22:22:48,628 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-21 22:22:48,630 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:22:48,632 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:22:48,636 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:22:48,638 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:22:48,642 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:22:48,733 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-21 22:22:48,733 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-21 22:22:48,733 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:22:48,734 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:22:48,735 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:22:48,737 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-21 22:22:48,737 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-21 22:22:48,753 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2023-11-21 22:22:48,775 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-21 22:22:48,775 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post7#1=0} Honda state: {ULTIMATE.start_main_#t~post7#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-21 22:22:48,800 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2023-11-21 22:22:48,800 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:22:48,800 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:22:48,801 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:22:48,812 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-21 22:22:48,813 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-21 22:22:48,827 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2023-11-21 22:22:48,843 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-21 22:22:48,843 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start___VERIFIER_assert_#in~cond#1=0} Honda state: {ULTIMATE.start___VERIFIER_assert_#in~cond#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-21 22:22:48,868 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2023-11-21 22:22:48,869 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:22:48,869 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:22:48,870 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:22:48,872 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-21 22:22:48,872 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-21 22:22:48,886 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2023-11-21 22:22:48,887 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-21 22:22:48,887 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet5#1=0} Honda state: {ULTIMATE.start_main_#t~nondet5#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-21 22:22:48,907 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2023-11-21 22:22:48,908 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:22:48,908 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:22:48,909 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:22:48,910 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2023-11-21 22:22:48,911 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-21 22:22:48,911 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-21 22:22:48,935 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-21 22:22:48,935 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start___VERIFIER_assert_~cond#1=0} Honda state: {ULTIMATE.start___VERIFIER_assert_~cond#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-21 22:22:48,953 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2023-11-21 22:22:48,954 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:22:48,954 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:22:48,956 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:22:48,957 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2023-11-21 22:22:48,957 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-21 22:22:48,957 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-21 22:22:49,035 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2023-11-21 22:22:49,035 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:22:49,035 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:22:49,036 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:22:49,039 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-21 22:22:49,040 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-21 22:22:49,055 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2023-11-21 22:22:49,464 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-11-21 22:22:49,468 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2023-11-21 22:22:49,469 INFO L210 LassoAnalysis]: Preferences: [2023-11-21 22:22:49,469 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-21 22:22:49,469 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-21 22:22:49,469 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-21 22:22:49,469 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-21 22:22:49,469 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:22:49,469 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-21 22:22:49,469 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-21 22:22:49,469 INFO L133 ssoRankerPreferences]: Filename of dumped script: heapsort.i_Iteration5_Loop [2023-11-21 22:22:49,469 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-21 22:22:49,470 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-21 22:22:49,471 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:22:49,481 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:22:49,486 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:22:49,488 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:22:49,491 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:22:49,584 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-21 22:22:49,585 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-21 22:22:49,585 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:22:49,585 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:22:49,586 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:22:49,592 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-21 22:22:49,607 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2023-11-21 22:22:49,608 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:22:49,608 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:22:49,608 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:22:49,608 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:22:49,608 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:22:49,609 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:22:49,609 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:22:49,623 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:22:49,650 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2023-11-21 22:22:49,651 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:22:49,651 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:22:49,652 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:22:49,660 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-21 22:22:49,675 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2023-11-21 22:22:49,676 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:22:49,676 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:22:49,676 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:22:49,676 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:22:49,676 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:22:49,678 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:22:49,678 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:22:49,695 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:22:49,716 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2023-11-21 22:22:49,716 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:22:49,717 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:22:49,718 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:22:49,720 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2023-11-21 22:22:49,720 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-21 22:22:49,732 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:22:49,733 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:22:49,733 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:22:49,733 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:22:49,733 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:22:49,734 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:22:49,734 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:22:49,735 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:22:49,749 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2023-11-21 22:22:49,749 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:22:49,749 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:22:49,750 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:22:49,752 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-21 22:22:49,758 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2023-11-21 22:22:49,765 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:22:49,766 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:22:49,766 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:22:49,766 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:22:49,766 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:22:49,767 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:22:49,767 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:22:49,776 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:22:49,790 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2023-11-21 22:22:49,791 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:22:49,791 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:22:49,793 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:22:49,794 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2023-11-21 22:22:49,795 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-21 22:22:49,806 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:22:49,807 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:22:49,807 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:22:49,807 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:22:49,807 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:22:49,811 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:22:49,811 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:22:49,843 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-21 22:22:49,849 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2023-11-21 22:22:49,849 INFO L444 ModelExtractionUtils]: 4 out of 7 variables were initially zero. Simplification set additionally 1 variables to zero. [2023-11-21 22:22:49,849 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:22:49,849 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:22:49,851 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:22:49,859 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-21 22:22:49,860 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-11-21 22:22:49,860 INFO L513 LassoAnalysis]: Proved termination. [2023-11-21 22:22:49,860 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~j~0#1) = 1*ULTIMATE.start_main_~j~0#1 Supporting invariants [] [2023-11-21 22:22:49,880 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2023-11-21 22:22:49,889 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2023-11-21 22:22:49,890 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-11-21 22:22:49,905 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:22:49,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:22:49,920 INFO L262 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 22:22:49,921 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:22:49,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:22:49,943 INFO L262 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 22:22:49,944 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:22:50,031 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:22:50,032 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 4 loop predicates [2023-11-21 22:22:50,032 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 69 states and 79 transitions. cyclomatic complexity: 12 Second operand has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:22:50,267 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 69 states and 79 transitions. cyclomatic complexity: 12. Second operand has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 400 states and 442 transitions. Complement of second has 17 states. [2023-11-21 22:22:50,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 9 states 1 stem states 7 non-accepting loop states 1 accepting loop states [2023-11-21 22:22:50,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:22:50,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 109 transitions. [2023-11-21 22:22:50,273 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 109 transitions. Stem has 5 letters. Loop has 14 letters. [2023-11-21 22:22:50,275 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:22:50,275 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 109 transitions. Stem has 19 letters. Loop has 14 letters. [2023-11-21 22:22:50,275 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:22:50,276 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 109 transitions. Stem has 5 letters. Loop has 28 letters. [2023-11-21 22:22:50,276 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:22:50,277 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 400 states and 442 transitions. [2023-11-21 22:22:50,282 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 71 [2023-11-21 22:22:50,285 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 400 states to 330 states and 371 transitions. [2023-11-21 22:22:50,286 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 108 [2023-11-21 22:22:50,286 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 109 [2023-11-21 22:22:50,286 INFO L73 IsDeterministic]: Start isDeterministic. Operand 330 states and 371 transitions. [2023-11-21 22:22:50,286 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-21 22:22:50,286 INFO L218 hiAutomatonCegarLoop]: Abstraction has 330 states and 371 transitions. [2023-11-21 22:22:50,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 330 states and 371 transitions. [2023-11-21 22:22:50,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 330 to 197. [2023-11-21 22:22:50,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 197 states, 197 states have (on average 1.1573604060913705) internal successors, (228), 196 states have internal predecessors, (228), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:22:50,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 228 transitions. [2023-11-21 22:22:50,301 INFO L240 hiAutomatonCegarLoop]: Abstraction has 197 states and 228 transitions. [2023-11-21 22:22:50,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:22:50,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-21 22:22:50,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-21 22:22:50,302 INFO L87 Difference]: Start difference. First operand 197 states and 228 transitions. Second operand has 6 states, 5 states have (on average 3.8) internal successors, (19), 6 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:22:50,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:22:50,500 INFO L93 Difference]: Finished difference Result 657 states and 728 transitions. [2023-11-21 22:22:50,500 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 657 states and 728 transitions. [2023-11-21 22:22:50,505 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 165 [2023-11-21 22:22:50,511 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 657 states to 593 states and 657 transitions. [2023-11-21 22:22:50,511 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 198 [2023-11-21 22:22:50,512 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 211 [2023-11-21 22:22:50,512 INFO L73 IsDeterministic]: Start isDeterministic. Operand 593 states and 657 transitions. [2023-11-21 22:22:50,514 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-21 22:22:50,514 INFO L218 hiAutomatonCegarLoop]: Abstraction has 593 states and 657 transitions. [2023-11-21 22:22:50,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 593 states and 657 transitions. [2023-11-21 22:22:50,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 593 to 189. [2023-11-21 22:22:50,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 189 states, 189 states have (on average 1.1534391534391535) internal successors, (218), 188 states have internal predecessors, (218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:22:50,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 218 transitions. [2023-11-21 22:22:50,522 INFO L240 hiAutomatonCegarLoop]: Abstraction has 189 states and 218 transitions. [2023-11-21 22:22:50,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-21 22:22:50,523 INFO L428 stractBuchiCegarLoop]: Abstraction has 189 states and 218 transitions. [2023-11-21 22:22:50,523 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2023-11-21 22:22:50,523 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 189 states and 218 transitions. [2023-11-21 22:22:50,525 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 58 [2023-11-21 22:22:50,525 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-21 22:22:50,525 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-21 22:22:50,526 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2023-11-21 22:22:50,526 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:22:50,526 INFO L748 eck$LassoCheckResult]: Stem: 3436#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(9, 2); 3387#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;main_#in~argc#1, main_#in~argv#1.base, main_#in~argv#1.offset := #in~argc#1, #in~argv#1.base, #in~argv#1.offset;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~post2#1, main_#t~post3#1, main_#t~nondet4#1, main_#t~nondet5#1, main_#t~post6#1, main_#t~post7#1, main_~argc#1, main_~n~0#1, main_~l~0#1, main_~r~0#1, main_~i~0#1, main_~j~0#1;main_~argc#1 := main_#in~argc#1;havoc main_~n~0#1;havoc main_~l~0#1;havoc main_~r~0#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_#t~nondet1#1;main_~n~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 3388#L27 assume !!(1 <= main_~n~0#1 && main_~n~0#1 <= 1000000);main_~l~0#1 := 1 + (if main_~n~0#1 < 0 && 0 != main_~n~0#1 % 2 then 1 + main_~n~0#1 / 2 else main_~n~0#1 / 2);main_~r~0#1 := main_~n~0#1; 3370#L30 assume main_~l~0#1 > 1;main_#t~post2#1 := main_~l~0#1;main_~l~0#1 := main_#t~post2#1 - 1;havoc main_#t~post2#1; 3371#L59-1 assume !!(main_~r~0#1 > 1);main_~i~0#1 := main_~l~0#1;main_~j~0#1 := 2 * main_~l~0#1; 3404#L38-2 [2023-11-21 22:22:50,527 INFO L750 eck$LassoCheckResult]: Loop: 3404#L38-2 assume !!(main_~j~0#1 <= main_~r~0#1); 3489#L39 assume main_~j~0#1 < main_~r~0#1;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 1 <= main_~j~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 3470#L18 assume !(0 == __VERIFIER_assert_~cond#1); 3487#L18-2 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_~j~0#1 <= main_~n~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 3485#L18-3 assume !(0 == __VERIFIER_assert_~cond#1); 3483#L18-5 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 1 <= 1 + main_~j~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 3481#L18-6 assume !(0 == __VERIFIER_assert_~cond#1); 3479#L18-8 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 1 + main_~j~0#1 <= main_~n~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 3477#L18-9 assume !(0 == __VERIFIER_assert_~cond#1); 3475#L18-11 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;havoc main_#t~nondet4#1; 3469#L44 assume 0 != main_#t~nondet4#1;havoc main_#t~nondet4#1;main_~j~0#1 := 1 + main_~j~0#1; 3465#L39-1 assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 1 <= main_~j~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 3461#L18-12 assume !(0 == __VERIFIER_assert_~cond#1); 3457#L18-14 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_~j~0#1 <= main_~n~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 3453#L18-15 assume !(0 == __VERIFIER_assert_~cond#1); 3449#L18-17 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;havoc main_#t~nondet5#1; 3439#L49 assume 0 != main_#t~nondet5#1;havoc main_#t~nondet5#1; 3376#L38-3 assume !(main_~l~0#1 > 1);assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 1 <= main_~r~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 3377#L18-36 assume !(0 == __VERIFIER_assert_~cond#1); 3384#L18-38 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_~r~0#1 <= main_~n~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 3385#L18-39 assume !(0 == __VERIFIER_assert_~cond#1); 3386#L18-41 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;main_#t~post7#1 := main_~r~0#1;main_~r~0#1 := main_#t~post7#1 - 1;havoc main_#t~post7#1; 3398#L59-1 assume !!(main_~r~0#1 > 1);main_~i~0#1 := main_~l~0#1;main_~j~0#1 := 2 * main_~l~0#1; 3404#L38-2 [2023-11-21 22:22:50,527 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:22:50,527 INFO L85 PathProgramCache]: Analyzing trace with hash 28695791, now seen corresponding path program 2 times [2023-11-21 22:22:50,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:22:50,528 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1595314165] [2023-11-21 22:22:50,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:22:50,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:22:50,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:22:50,536 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:22:50,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:22:50,543 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:22:50,544 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:22:50,544 INFO L85 PathProgramCache]: Analyzing trace with hash 69489122, now seen corresponding path program 1 times [2023-11-21 22:22:50,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:22:50,545 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1682335633] [2023-11-21 22:22:50,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:22:50,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:22:50,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:22:50,562 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:22:50,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:22:50,580 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:22:50,581 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:22:50,581 INFO L85 PathProgramCache]: Analyzing trace with hash -2029401804, now seen corresponding path program 1 times [2023-11-21 22:22:50,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:22:50,582 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1020193737] [2023-11-21 22:22:50,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:22:50,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:22:50,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:22:50,598 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:22:50,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:22:50,617 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:22:50,783 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2023-11-21 22:22:50,984 INFO L210 LassoAnalysis]: Preferences: [2023-11-21 22:22:50,985 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-21 22:22:50,985 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-21 22:22:50,985 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-21 22:22:50,985 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-21 22:22:50,985 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:22:50,985 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-21 22:22:50,985 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-21 22:22:50,986 INFO L133 ssoRankerPreferences]: Filename of dumped script: heapsort.i_Iteration6_Loop [2023-11-21 22:22:50,986 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-21 22:22:50,986 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-21 22:22:50,993 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:22:50,996 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:22:51,016 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:22:51,019 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:22:51,022 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:22:51,024 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:22:51,110 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-21 22:22:51,110 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-21 22:22:51,111 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:22:51,111 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:22:51,112 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:22:51,121 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-21 22:22:51,121 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-21 22:22:51,138 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2023-11-21 22:22:51,155 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-21 22:22:51,155 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet4#1=0} Honda state: {ULTIMATE.start_main_#t~nondet4#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-21 22:22:51,183 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2023-11-21 22:22:51,183 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:22:51,183 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:22:51,184 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:22:51,187 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-21 22:22:51,188 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-21 22:22:51,202 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2023-11-21 22:22:51,243 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2023-11-21 22:22:51,243 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:22:51,243 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:22:51,244 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:22:51,247 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-21 22:22:51,248 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-21 22:22:51,262 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2023-11-21 22:22:51,407 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-11-21 22:22:51,411 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2023-11-21 22:22:51,412 INFO L210 LassoAnalysis]: Preferences: [2023-11-21 22:22:51,412 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-21 22:22:51,412 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-21 22:22:51,412 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-21 22:22:51,412 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-21 22:22:51,412 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:22:51,412 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-21 22:22:51,412 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-21 22:22:51,412 INFO L133 ssoRankerPreferences]: Filename of dumped script: heapsort.i_Iteration6_Loop [2023-11-21 22:22:51,413 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-21 22:22:51,413 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-21 22:22:51,414 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:22:51,423 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:22:51,447 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:22:51,449 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:22:51,452 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:22:51,455 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:22:51,537 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-21 22:22:51,537 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-21 22:22:51,538 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:22:51,538 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:22:51,539 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:22:51,547 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-21 22:22:51,562 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2023-11-21 22:22:51,563 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:22:51,563 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:22:51,563 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:22:51,563 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:22:51,563 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:22:51,564 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:22:51,564 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:22:51,579 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:22:51,601 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2023-11-21 22:22:51,602 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:22:51,602 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:22:51,603 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:22:51,606 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-21 22:22:51,619 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2023-11-21 22:22:51,621 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:22:51,622 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:22:51,622 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:22:51,622 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:22:51,622 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:22:51,625 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:22:51,625 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:22:51,651 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-21 22:22:51,657 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2023-11-21 22:22:51,657 INFO L444 ModelExtractionUtils]: 4 out of 7 variables were initially zero. Simplification set additionally 1 variables to zero. [2023-11-21 22:22:51,657 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:22:51,657 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:22:51,658 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:22:51,667 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-21 22:22:51,667 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-11-21 22:22:51,668 INFO L513 LassoAnalysis]: Proved termination. [2023-11-21 22:22:51,668 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~r~0#1) = 1*ULTIMATE.start_main_~r~0#1 Supporting invariants [] [2023-11-21 22:22:51,671 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2023-11-21 22:22:51,682 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2023-11-21 22:22:51,683 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-11-21 22:22:51,704 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:22:51,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:22:51,718 INFO L262 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 22:22:51,719 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:22:51,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:22:51,765 INFO L262 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 22:22:51,766 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:22:51,819 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:22:51,819 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2023-11-21 22:22:51,820 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 189 states and 218 transitions. cyclomatic complexity: 35 Second operand has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 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) [2023-11-21 22:22:51,858 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 189 states and 218 transitions. cyclomatic complexity: 35. Second operand has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 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) Result 376 states and 436 transitions. Complement of second has 6 states. [2023-11-21 22:22:51,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2023-11-21 22:22:51,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 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) [2023-11-21 22:22:51,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 47 transitions. [2023-11-21 22:22:51,860 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 47 transitions. Stem has 5 letters. Loop has 23 letters. [2023-11-21 22:22:51,860 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:22:51,860 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 47 transitions. Stem has 28 letters. Loop has 23 letters. [2023-11-21 22:22:51,861 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:22:51,861 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 47 transitions. Stem has 5 letters. Loop has 46 letters. [2023-11-21 22:22:51,861 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:22:51,861 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 376 states and 436 transitions. [2023-11-21 22:22:51,865 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 50 [2023-11-21 22:22:51,867 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 376 states to 252 states and 292 transitions. [2023-11-21 22:22:51,868 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 60 [2023-11-21 22:22:51,868 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 61 [2023-11-21 22:22:51,868 INFO L73 IsDeterministic]: Start isDeterministic. Operand 252 states and 292 transitions. [2023-11-21 22:22:51,868 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-21 22:22:51,868 INFO L218 hiAutomatonCegarLoop]: Abstraction has 252 states and 292 transitions. [2023-11-21 22:22:51,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252 states and 292 transitions. [2023-11-21 22:22:51,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 132. [2023-11-21 22:22:51,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 132 states have (on average 1.1590909090909092) internal successors, (153), 131 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:22:51,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 153 transitions. [2023-11-21 22:22:51,874 INFO L240 hiAutomatonCegarLoop]: Abstraction has 132 states and 153 transitions. [2023-11-21 22:22:51,874 INFO L428 stractBuchiCegarLoop]: Abstraction has 132 states and 153 transitions. [2023-11-21 22:22:51,874 INFO L335 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2023-11-21 22:22:51,874 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 132 states and 153 transitions. [2023-11-21 22:22:51,875 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 25 [2023-11-21 22:22:51,875 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-21 22:22:51,876 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-21 22:22:51,876 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2023-11-21 22:22:51,876 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:22:51,877 INFO L748 eck$LassoCheckResult]: Stem: 4116#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(9, 2); 4055#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;main_#in~argc#1, main_#in~argv#1.base, main_#in~argv#1.offset := #in~argc#1, #in~argv#1.base, #in~argv#1.offset;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~post2#1, main_#t~post3#1, main_#t~nondet4#1, main_#t~nondet5#1, main_#t~post6#1, main_#t~post7#1, main_~argc#1, main_~n~0#1, main_~l~0#1, main_~r~0#1, main_~i~0#1, main_~j~0#1;main_~argc#1 := main_#in~argc#1;havoc main_~n~0#1;havoc main_~l~0#1;havoc main_~r~0#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_#t~nondet1#1;main_~n~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 4056#L27 assume !!(1 <= main_~n~0#1 && main_~n~0#1 <= 1000000);main_~l~0#1 := 1 + (if main_~n~0#1 < 0 && 0 != main_~n~0#1 % 2 then 1 + main_~n~0#1 / 2 else main_~n~0#1 / 2);main_~r~0#1 := main_~n~0#1; 4041#L30 assume main_~l~0#1 > 1;main_#t~post2#1 := main_~l~0#1;main_~l~0#1 := main_#t~post2#1 - 1;havoc main_#t~post2#1; 4042#L59-1 assume !!(main_~r~0#1 > 1);main_~i~0#1 := main_~l~0#1;main_~j~0#1 := 2 * main_~l~0#1; 4075#L38-2 assume !!(main_~j~0#1 <= main_~r~0#1); 4086#L39 [2023-11-21 22:22:51,877 INFO L750 eck$LassoCheckResult]: Loop: 4086#L39 assume !(main_~j~0#1 < main_~r~0#1); 4050#L39-1 assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 1 <= main_~j~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 4058#L18-12 assume !(0 == __VERIFIER_assert_~cond#1); 4059#L18-14 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_~j~0#1 <= main_~n~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 4098#L18-15 assume !(0 == __VERIFIER_assert_~cond#1); 4099#L18-17 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;havoc main_#t~nondet5#1; 4083#L49 assume !(0 != main_#t~nondet5#1);havoc main_#t~nondet5#1;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 1 <= main_~i~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 4070#L18-18 assume !(0 == __VERIFIER_assert_~cond#1); 4071#L18-20 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_~i~0#1 <= main_~n~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 4090#L18-21 assume !(0 == __VERIFIER_assert_~cond#1); 4091#L18-23 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 1 <= main_~j~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 4094#L18-24 assume !(0 == __VERIFIER_assert_~cond#1); 4095#L18-26 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_~j~0#1 <= main_~n~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 4117#L18-27 assume !(0 == __VERIFIER_assert_~cond#1); 4111#L18-29 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;main_~i~0#1 := main_~j~0#1;main_~j~0#1 := 2 * main_~j~0#1; 4076#L38-2 assume !!(main_~j~0#1 <= main_~r~0#1); 4086#L39 [2023-11-21 22:22:51,877 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:22:51,878 INFO L85 PathProgramCache]: Analyzing trace with hash 889569551, now seen corresponding path program 1 times [2023-11-21 22:22:51,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:22:51,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1099380604] [2023-11-21 22:22:51,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:22:51,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:22:51,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:22:51,886 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:22:51,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:22:51,893 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:22:51,893 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:22:51,894 INFO L85 PathProgramCache]: Analyzing trace with hash 93725893, now seen corresponding path program 1 times [2023-11-21 22:22:51,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:22:51,894 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [30591785] [2023-11-21 22:22:51,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:22:51,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:22:51,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:22:52,011 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:22:52,012 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:22:52,012 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [30591785] [2023-11-21 22:22:52,012 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [30591785] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:22:52,012 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:22:52,012 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-21 22:22:52,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1551053589] [2023-11-21 22:22:52,013 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:22:52,014 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-21 22:22:52,015 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:22:52,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-21 22:22:52,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-21 22:22:52,016 INFO L87 Difference]: Start difference. First operand 132 states and 153 transitions. cyclomatic complexity: 25 Second operand has 6 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:22:52,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:22:52,199 INFO L93 Difference]: Finished difference Result 241 states and 270 transitions. [2023-11-21 22:22:52,200 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 241 states and 270 transitions. [2023-11-21 22:22:52,202 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 25 [2023-11-21 22:22:52,205 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 241 states to 226 states and 255 transitions. [2023-11-21 22:22:52,205 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 32 [2023-11-21 22:22:52,205 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 32 [2023-11-21 22:22:52,205 INFO L73 IsDeterministic]: Start isDeterministic. Operand 226 states and 255 transitions. [2023-11-21 22:22:52,206 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-21 22:22:52,206 INFO L218 hiAutomatonCegarLoop]: Abstraction has 226 states and 255 transitions. [2023-11-21 22:22:52,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states and 255 transitions. [2023-11-21 22:22:52,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 177. [2023-11-21 22:22:52,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177 states, 177 states have (on average 1.1299435028248588) internal successors, (200), 176 states have internal predecessors, (200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:22:52,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 200 transitions. [2023-11-21 22:22:52,213 INFO L240 hiAutomatonCegarLoop]: Abstraction has 177 states and 200 transitions. [2023-11-21 22:22:52,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-21 22:22:52,214 INFO L428 stractBuchiCegarLoop]: Abstraction has 177 states and 200 transitions. [2023-11-21 22:22:52,214 INFO L335 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2023-11-21 22:22:52,214 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 177 states and 200 transitions. [2023-11-21 22:22:52,215 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 25 [2023-11-21 22:22:52,215 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-21 22:22:52,216 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-21 22:22:52,217 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2023-11-21 22:22:52,217 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:22:52,217 INFO L748 eck$LassoCheckResult]: Stem: 4503#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(9, 2); 4445#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;main_#in~argc#1, main_#in~argv#1.base, main_#in~argv#1.offset := #in~argc#1, #in~argv#1.base, #in~argv#1.offset;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~post2#1, main_#t~post3#1, main_#t~nondet4#1, main_#t~nondet5#1, main_#t~post6#1, main_#t~post7#1, main_~argc#1, main_~n~0#1, main_~l~0#1, main_~r~0#1, main_~i~0#1, main_~j~0#1;main_~argc#1 := main_#in~argc#1;havoc main_~n~0#1;havoc main_~l~0#1;havoc main_~r~0#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_#t~nondet1#1;main_~n~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 4446#L27 assume !!(1 <= main_~n~0#1 && main_~n~0#1 <= 1000000);main_~l~0#1 := 1 + (if main_~n~0#1 < 0 && 0 != main_~n~0#1 % 2 then 1 + main_~n~0#1 / 2 else main_~n~0#1 / 2);main_~r~0#1 := main_~n~0#1; 4431#L30 assume main_~l~0#1 > 1;main_#t~post2#1 := main_~l~0#1;main_~l~0#1 := main_#t~post2#1 - 1;havoc main_#t~post2#1; 4432#L59-1 assume !!(main_~r~0#1 > 1);main_~i~0#1 := main_~l~0#1;main_~j~0#1 := 2 * main_~l~0#1; 4464#L38-2 assume !!(main_~j~0#1 <= main_~r~0#1); 4475#L39 [2023-11-21 22:22:52,218 INFO L750 eck$LassoCheckResult]: Loop: 4475#L39 assume main_~j~0#1 < main_~r~0#1;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 1 <= main_~j~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 4476#L18 assume !(0 == __VERIFIER_assert_~cond#1); 4468#L18-2 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_~j~0#1 <= main_~n~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 4469#L18-3 assume !(0 == __VERIFIER_assert_~cond#1); 4433#L18-5 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 1 <= 1 + main_~j~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 4434#L18-6 assume !(0 == __VERIFIER_assert_~cond#1); 4452#L18-8 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 1 + main_~j~0#1 <= main_~n~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 4453#L18-9 assume !(0 == __VERIFIER_assert_~cond#1); 4496#L18-11 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;havoc main_#t~nondet4#1; 4439#L44 assume 0 != main_#t~nondet4#1;havoc main_#t~nondet4#1;main_~j~0#1 := 1 + main_~j~0#1; 4440#L39-1 assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 1 <= main_~j~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 4448#L18-12 assume !(0 == __VERIFIER_assert_~cond#1); 4449#L18-14 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_~j~0#1 <= main_~n~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 4487#L18-15 assume !(0 == __VERIFIER_assert_~cond#1); 4488#L18-17 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;havoc main_#t~nondet5#1; 4472#L49 assume !(0 != main_#t~nondet5#1);havoc main_#t~nondet5#1;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 1 <= main_~i~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 4459#L18-18 assume !(0 == __VERIFIER_assert_~cond#1); 4460#L18-20 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_~i~0#1 <= main_~n~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 4479#L18-21 assume !(0 == __VERIFIER_assert_~cond#1); 4480#L18-23 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 1 <= main_~j~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 4483#L18-24 assume !(0 == __VERIFIER_assert_~cond#1); 4484#L18-26 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_~j~0#1 <= main_~n~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 4504#L18-27 assume !(0 == __VERIFIER_assert_~cond#1); 4498#L18-29 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;main_~i~0#1 := main_~j~0#1;main_~j~0#1 := 2 * main_~j~0#1; 4466#L38-2 assume !!(main_~j~0#1 <= main_~r~0#1); 4475#L39 [2023-11-21 22:22:52,218 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:22:52,218 INFO L85 PathProgramCache]: Analyzing trace with hash 889569551, now seen corresponding path program 2 times [2023-11-21 22:22:52,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:22:52,219 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1235513279] [2023-11-21 22:22:52,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:22:52,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:22:52,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:22:52,240 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:22:52,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:22:52,249 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:22:52,251 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:22:52,251 INFO L85 PathProgramCache]: Analyzing trace with hash -510635659, now seen corresponding path program 1 times [2023-11-21 22:22:52,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:22:52,252 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1235978658] [2023-11-21 22:22:52,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:22:52,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:22:52,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:22:52,281 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:22:52,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:22:52,315 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:22:52,319 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:22:52,320 INFO L85 PathProgramCache]: Analyzing trace with hash -575128537, now seen corresponding path program 1 times [2023-11-21 22:22:52,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:22:52,320 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [356287466] [2023-11-21 22:22:52,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:22:52,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:22:52,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:22:52,486 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:22:52,486 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:22:52,486 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [356287466] [2023-11-21 22:22:52,486 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [356287466] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-21 22:22:52,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [442450033] [2023-11-21 22:22:52,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:22:52,487 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 22:22:52,487 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:22:52,488 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-21 22:22:52,503 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Waiting until timeout for monitored process [2023-11-21 22:22:52,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:22:52,588 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-21 22:22:52,591 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:22:52,609 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2023-11-21 22:22:52,850 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:22:52,851 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-21 22:22:52,851 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [442450033] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:22:52,851 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-21 22:22:52,851 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 11 [2023-11-21 22:22:52,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [19807081] [2023-11-21 22:22:52,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:22:53,221 INFO L210 LassoAnalysis]: Preferences: [2023-11-21 22:22:53,221 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-21 22:22:53,221 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-21 22:22:53,221 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-21 22:22:53,221 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-21 22:22:53,222 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:22:53,222 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-21 22:22:53,222 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-21 22:22:53,222 INFO L133 ssoRankerPreferences]: Filename of dumped script: heapsort.i_Iteration8_Loop [2023-11-21 22:22:53,222 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-21 22:22:53,222 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-21 22:22:53,223 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:22:53,243 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:22:53,246 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:22:53,249 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:22:53,252 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:22:53,314 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-21 22:22:53,315 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-21 22:22:53,315 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:22:53,315 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:22:53,316 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:22:53,324 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-21 22:22:53,325 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-21 22:22:53,339 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2023-11-21 22:22:53,381 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2023-11-21 22:22:53,381 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:22:53,381 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:22:53,382 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:22:53,386 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2023-11-21 22:22:53,386 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-21 22:22:53,386 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-21 22:22:53,550 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-11-21 22:22:53,555 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2023-11-21 22:22:53,555 INFO L210 LassoAnalysis]: Preferences: [2023-11-21 22:22:53,555 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-21 22:22:53,555 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-21 22:22:53,555 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-21 22:22:53,555 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-21 22:22:53,556 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:22:53,556 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-21 22:22:53,556 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-21 22:22:53,556 INFO L133 ssoRankerPreferences]: Filename of dumped script: heapsort.i_Iteration8_Loop [2023-11-21 22:22:53,556 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-21 22:22:53,556 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-21 22:22:53,557 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:22:53,581 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:22:53,588 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:22:53,590 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:22:53,593 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:22:53,660 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-21 22:22:53,660 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-21 22:22:53,660 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:22:53,660 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:22:53,661 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:22:53,668 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-21 22:22:53,682 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2023-11-21 22:22:53,684 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:22:53,684 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:22:53,684 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:22:53,684 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:22:53,684 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:22:53,688 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:22:53,688 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:22:53,698 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-21 22:22:53,705 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2023-11-21 22:22:53,705 INFO L444 ModelExtractionUtils]: 2 out of 6 variables were initially zero. Simplification set additionally 1 variables to zero. [2023-11-21 22:22:53,705 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:22:53,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:22:53,706 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:22:53,709 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-21 22:22:53,709 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-11-21 22:22:53,709 INFO L513 LassoAnalysis]: Proved termination. [2023-11-21 22:22:53,709 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~r~0#1, ULTIMATE.start_main_~j~0#1) = 3*ULTIMATE.start_main_~r~0#1 - 2*ULTIMATE.start_main_~j~0#1 Supporting invariants [] [2023-11-21 22:22:53,726 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2023-11-21 22:22:53,730 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2023-11-21 22:22:53,731 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-11-21 22:22:53,748 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:22:53,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:22:53,763 INFO L262 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 22:22:53,763 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:22:53,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:22:53,793 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-21 22:22:53,795 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:22:54,109 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:22:54,110 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 6 loop predicates [2023-11-21 22:22:54,111 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 177 states and 200 transitions. cyclomatic complexity: 27 Second operand has 7 states, 7 states have (on average 4.428571428571429) internal successors, (31), 7 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:22:54,225 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2023-11-21 22:22:54,301 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 177 states and 200 transitions. cyclomatic complexity: 27. Second operand has 7 states, 7 states have (on average 4.428571428571429) internal successors, (31), 7 states have internal predecessors, (31), 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 600 states and 642 transitions. Complement of second has 11 states. [2023-11-21 22:22:54,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 4 non-accepting loop states 1 accepting loop states [2023-11-21 22:22:54,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 4.428571428571429) internal successors, (31), 7 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:22:54,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 69 transitions. [2023-11-21 22:22:54,304 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 69 transitions. Stem has 6 letters. Loop has 25 letters. [2023-11-21 22:22:54,304 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:22:54,304 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-11-21 22:22:54,318 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:22:54,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:22:54,331 INFO L262 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 22:22:54,332 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:22:54,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:22:54,363 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-21 22:22:54,364 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:22:54,678 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:22:54,679 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 6 loop predicates [2023-11-21 22:22:54,679 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 177 states and 200 transitions. cyclomatic complexity: 27 Second operand has 7 states, 7 states have (on average 4.428571428571429) internal successors, (31), 7 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:22:55,119 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 177 states and 200 transitions. cyclomatic complexity: 27. Second operand has 7 states, 7 states have (on average 4.428571428571429) internal successors, (31), 7 states have internal predecessors, (31), 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 711 states and 767 transitions. Complement of second has 17 states. [2023-11-21 22:22:55,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 9 states 1 stem states 7 non-accepting loop states 1 accepting loop states [2023-11-21 22:22:55,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 4.428571428571429) internal successors, (31), 7 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:22:55,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 103 transitions. [2023-11-21 22:22:55,121 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 103 transitions. Stem has 6 letters. Loop has 25 letters. [2023-11-21 22:22:55,121 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:22:55,121 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 103 transitions. Stem has 31 letters. Loop has 25 letters. [2023-11-21 22:22:55,122 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:22:55,122 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 103 transitions. Stem has 6 letters. Loop has 50 letters. [2023-11-21 22:22:55,122 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:22:55,122 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 711 states and 767 transitions. [2023-11-21 22:22:55,128 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 25 [2023-11-21 22:22:55,133 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 711 states to 528 states and 581 transitions. [2023-11-21 22:22:55,133 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 55 [2023-11-21 22:22:55,134 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 56 [2023-11-21 22:22:55,134 INFO L73 IsDeterministic]: Start isDeterministic. Operand 528 states and 581 transitions. [2023-11-21 22:22:55,134 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-21 22:22:55,134 INFO L218 hiAutomatonCegarLoop]: Abstraction has 528 states and 581 transitions. [2023-11-21 22:22:55,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 528 states and 581 transitions. [2023-11-21 22:22:55,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 528 to 315. [2023-11-21 22:22:55,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 315 states, 315 states have (on average 1.1142857142857143) internal successors, (351), 314 states have internal predecessors, (351), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:22:55,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 315 states and 351 transitions. [2023-11-21 22:22:55,144 INFO L240 hiAutomatonCegarLoop]: Abstraction has 315 states and 351 transitions. [2023-11-21 22:22:55,144 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:22:55,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-21 22:22:55,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2023-11-21 22:22:55,145 INFO L87 Difference]: Start difference. First operand 315 states and 351 transitions. Second operand has 7 states, 6 states have (on average 5.166666666666667) internal successors, (31), 7 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:22:55,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:22:55,379 INFO L93 Difference]: Finished difference Result 556 states and 602 transitions. [2023-11-21 22:22:55,379 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 556 states and 602 transitions. [2023-11-21 22:22:55,383 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 25 [2023-11-21 22:22:55,386 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 556 states to 323 states and 361 transitions. [2023-11-21 22:22:55,386 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 31 [2023-11-21 22:22:55,386 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 31 [2023-11-21 22:22:55,386 INFO L73 IsDeterministic]: Start isDeterministic. Operand 323 states and 361 transitions. [2023-11-21 22:22:55,389 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-21 22:22:55,389 INFO L218 hiAutomatonCegarLoop]: Abstraction has 323 states and 361 transitions. [2023-11-21 22:22:55,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323 states and 361 transitions. [2023-11-21 22:22:55,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323 to 226. [2023-11-21 22:22:55,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 226 states, 226 states have (on average 1.1238938053097345) internal successors, (254), 225 states have internal predecessors, (254), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:22:55,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 254 transitions. [2023-11-21 22:22:55,399 INFO L240 hiAutomatonCegarLoop]: Abstraction has 226 states and 254 transitions. [2023-11-21 22:22:55,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-21 22:22:55,400 INFO L428 stractBuchiCegarLoop]: Abstraction has 226 states and 254 transitions. [2023-11-21 22:22:55,400 INFO L335 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2023-11-21 22:22:55,400 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 226 states and 254 transitions. [2023-11-21 22:22:55,402 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 25 [2023-11-21 22:22:55,403 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-21 22:22:55,403 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-21 22:22:55,406 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:22:55,406 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:22:55,407 INFO L748 eck$LassoCheckResult]: Stem: 7220#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(9, 2); 7158#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;main_#in~argc#1, main_#in~argv#1.base, main_#in~argv#1.offset := #in~argc#1, #in~argv#1.base, #in~argv#1.offset;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~post2#1, main_#t~post3#1, main_#t~nondet4#1, main_#t~nondet5#1, main_#t~post6#1, main_#t~post7#1, main_~argc#1, main_~n~0#1, main_~l~0#1, main_~r~0#1, main_~i~0#1, main_~j~0#1;main_~argc#1 := main_#in~argc#1;havoc main_~n~0#1;havoc main_~l~0#1;havoc main_~r~0#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_#t~nondet1#1;main_~n~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 7159#L27 assume !!(1 <= main_~n~0#1 && main_~n~0#1 <= 1000000);main_~l~0#1 := 1 + (if main_~n~0#1 < 0 && 0 != main_~n~0#1 % 2 then 1 + main_~n~0#1 / 2 else main_~n~0#1 / 2);main_~r~0#1 := main_~n~0#1; 7143#L30 assume main_~l~0#1 > 1;main_#t~post2#1 := main_~l~0#1;main_~l~0#1 := main_#t~post2#1 - 1;havoc main_#t~post2#1; 7144#L59-1 assume !!(main_~r~0#1 > 1);main_~i~0#1 := main_~l~0#1;main_~j~0#1 := 2 * main_~l~0#1; 7175#L38-2 assume !!(main_~j~0#1 <= main_~r~0#1); 7304#L39 assume !(main_~j~0#1 < main_~r~0#1); 7199#L39-1 assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 1 <= main_~j~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 7162#L18-12 assume !(0 == __VERIFIER_assert_~cond#1); 7163#L18-14 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_~j~0#1 <= main_~n~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 7203#L18-15 assume !(0 == __VERIFIER_assert_~cond#1); 7204#L18-17 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;havoc main_#t~nondet5#1; 7185#L49 assume 0 != main_#t~nondet5#1;havoc main_#t~nondet5#1; 7145#L38-3 assume main_~l~0#1 > 1;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 1 <= main_~l~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 7146#L18-30 assume !(0 == __VERIFIER_assert_~cond#1); 7170#L18-32 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_~l~0#1 <= main_~n~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 7200#L18-33 assume !(0 == __VERIFIER_assert_~cond#1); 7267#L18-35 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;main_#t~post6#1 := main_~l~0#1;main_~l~0#1 := main_#t~post6#1 - 1;havoc main_#t~post6#1; 7224#L59-1 assume !!(main_~r~0#1 > 1);main_~i~0#1 := main_~l~0#1;main_~j~0#1 := 2 * main_~l~0#1; 7212#L38-2 [2023-11-21 22:22:55,407 INFO L750 eck$LassoCheckResult]: Loop: 7212#L38-2 assume !!(main_~j~0#1 <= main_~r~0#1); 7196#L39 assume main_~j~0#1 < main_~r~0#1;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 1 <= main_~j~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 7197#L18 assume !(0 == __VERIFIER_assert_~cond#1); 7178#L18-2 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_~j~0#1 <= main_~n~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 7179#L18-3 assume !(0 == __VERIFIER_assert_~cond#1); 7151#L18-5 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 1 <= 1 + main_~j~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 7152#L18-6 assume !(0 == __VERIFIER_assert_~cond#1); 7164#L18-8 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 1 + main_~j~0#1 <= main_~n~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 7165#L18-9 assume !(0 == __VERIFIER_assert_~cond#1); 7208#L18-11 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;havoc main_#t~nondet4#1; 7147#L44 assume 0 != main_#t~nondet4#1;havoc main_#t~nondet4#1;main_~j~0#1 := 1 + main_~j~0#1; 7148#L39-1 assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 1 <= main_~j~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 7160#L18-12 assume !(0 == __VERIFIER_assert_~cond#1); 7161#L18-14 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_~j~0#1 <= main_~n~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 7201#L18-15 assume !(0 == __VERIFIER_assert_~cond#1); 7202#L18-17 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;havoc main_#t~nondet5#1; 7184#L49 assume !(0 != main_#t~nondet5#1);havoc main_#t~nondet5#1;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 1 <= main_~i~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 7171#L18-18 assume !(0 == __VERIFIER_assert_~cond#1); 7172#L18-20 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_~i~0#1 <= main_~n~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 7188#L18-21 assume !(0 == __VERIFIER_assert_~cond#1); 7189#L18-23 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 1 <= main_~j~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 7192#L18-24 assume !(0 == __VERIFIER_assert_~cond#1); 7193#L18-26 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_~j~0#1 <= main_~n~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 7221#L18-27 assume !(0 == __VERIFIER_assert_~cond#1); 7211#L18-29 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;main_~i~0#1 := main_~j~0#1;main_~j~0#1 := 2 * main_~j~0#1; 7212#L38-2 [2023-11-21 22:22:55,407 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:22:55,408 INFO L85 PathProgramCache]: Analyzing trace with hash 1035079084, now seen corresponding path program 1 times [2023-11-21 22:22:55,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:22:55,408 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [72240430] [2023-11-21 22:22:55,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:22:55,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:22:55,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:22:55,422 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:22:55,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:22:55,442 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:22:55,442 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:22:55,442 INFO L85 PathProgramCache]: Analyzing trace with hash -94981115, now seen corresponding path program 2 times [2023-11-21 22:22:55,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:22:55,443 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1534344862] [2023-11-21 22:22:55,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:22:55,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:22:55,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:22:55,462 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:22:55,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:22:55,478 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:22:55,481 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:22:55,482 INFO L85 PathProgramCache]: Analyzing trace with hash 1850199226, now seen corresponding path program 1 times [2023-11-21 22:22:55,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:22:55,482 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1554405490] [2023-11-21 22:22:55,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:22:55,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:22:55,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:22:55,495 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:22:55,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:22:55,516 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:22:55,824 INFO L210 LassoAnalysis]: Preferences: [2023-11-21 22:22:55,824 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-21 22:22:55,824 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-21 22:22:55,824 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-21 22:22:55,825 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-21 22:22:55,825 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:22:55,825 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-21 22:22:55,825 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-21 22:22:55,825 INFO L133 ssoRankerPreferences]: Filename of dumped script: heapsort.i_Iteration9_Loop [2023-11-21 22:22:55,825 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-21 22:22:55,825 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-21 22:22:55,826 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:22:55,829 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:22:55,831 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:22:55,833 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:22:55,835 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:22:55,896 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-21 22:22:55,896 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-21 22:22:55,896 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:22:55,896 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:22:55,897 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:22:55,904 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-21 22:22:55,904 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-21 22:22:55,918 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2023-11-21 22:22:55,931 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-21 22:22:55,931 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet4#1=0} Honda state: {ULTIMATE.start_main_#t~nondet4#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-21 22:22:55,948 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2023-11-21 22:22:55,948 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:22:55,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:22:55,950 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:22:55,955 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-21 22:22:55,955 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-21 22:22:55,968 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2023-11-21 22:22:55,983 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-21 22:22:55,983 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet5#1=0} Honda state: {ULTIMATE.start_main_#t~nondet5#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-21 22:22:56,000 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2023-11-21 22:22:56,001 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:22:56,001 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:22:56,002 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:22:56,007 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-21 22:22:56,007 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-21 22:22:56,023 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2023-11-21 22:22:56,029 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-21 22:22:56,029 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start___VERIFIER_assert_#in~cond#1=0} Honda state: {ULTIMATE.start___VERIFIER_assert_#in~cond#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-21 22:22:56,046 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2023-11-21 22:22:56,047 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:22:56,047 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:22:56,048 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:22:56,050 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-21 22:22:56,050 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-21 22:22:56,063 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2023-11-21 22:22:56,083 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-21 22:22:56,084 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start___VERIFIER_assert_~cond#1=0} Honda state: {ULTIMATE.start___VERIFIER_assert_~cond#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-21 22:22:56,103 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2023-11-21 22:22:56,103 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:22:56,103 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:22:56,105 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:22:56,108 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-21 22:22:56,108 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-21 22:22:56,131 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2023-11-21 22:22:56,149 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2023-11-21 22:22:56,149 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:22:56,149 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:22:56,150 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:22:56,155 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-21 22:22:56,155 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-21 22:22:56,169 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2023-11-21 22:22:56,278 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-11-21 22:22:56,281 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Forceful destruction successful, exit code 0 [2023-11-21 22:22:56,282 INFO L210 LassoAnalysis]: Preferences: [2023-11-21 22:22:56,282 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-21 22:22:56,283 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-21 22:22:56,283 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-21 22:22:56,283 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-21 22:22:56,283 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:22:56,283 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-21 22:22:56,283 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-21 22:22:56,283 INFO L133 ssoRankerPreferences]: Filename of dumped script: heapsort.i_Iteration9_Loop [2023-11-21 22:22:56,283 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-21 22:22:56,283 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-21 22:22:56,284 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:22:56,290 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:22:56,293 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:22:56,295 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:22:56,297 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:22:56,376 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-21 22:22:56,376 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-21 22:22:56,376 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:22:56,376 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:22:56,379 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:22:56,384 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-21 22:22:56,397 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2023-11-21 22:22:56,397 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:22:56,398 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:22:56,398 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:22:56,398 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:22:56,398 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:22:56,399 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:22:56,399 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:22:56,416 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:22:56,439 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Ended with exit code 0 [2023-11-21 22:22:56,440 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:22:56,440 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:22:56,441 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:22:56,443 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-21 22:22:56,456 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:22:56,456 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:22:56,456 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:22:56,456 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:22:56,456 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:22:56,457 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:22:56,457 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:22:56,458 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2023-11-21 22:22:56,479 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:22:56,497 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Forceful destruction successful, exit code 0 [2023-11-21 22:22:56,498 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:22:56,498 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:22:56,499 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:22:56,503 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-21 22:22:56,516 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2023-11-21 22:22:56,517 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:22:56,517 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:22:56,517 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:22:56,517 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:22:56,517 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:22:56,518 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:22:56,518 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:22:56,533 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:22:56,545 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Ended with exit code 0 [2023-11-21 22:22:56,545 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:22:56,545 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:22:56,546 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:22:56,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2023-11-21 22:22:56,547 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-21 22:22:56,557 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:22:56,557 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:22:56,557 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:22:56,557 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:22:56,557 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:22:56,558 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:22:56,558 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:22:56,559 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:22:56,575 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Ended with exit code 0 [2023-11-21 22:22:56,575 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:22:56,576 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:22:56,576 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:22:56,583 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2023-11-21 22:22:56,584 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-21 22:22:56,596 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:22:56,597 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:22:56,597 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:22:56,597 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:22:56,597 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:22:56,599 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:22:56,599 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:22:56,610 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-21 22:22:56,615 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2023-11-21 22:22:56,615 INFO L444 ModelExtractionUtils]: 2 out of 6 variables were initially zero. Simplification set additionally 1 variables to zero. [2023-11-21 22:22:56,615 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:22:56,615 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:22:56,619 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:22:56,624 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-21 22:22:56,624 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-11-21 22:22:56,624 INFO L513 LassoAnalysis]: Proved termination. [2023-11-21 22:22:56,624 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~r~0#1, ULTIMATE.start_main_~j~0#1) = 1*ULTIMATE.start_main_~r~0#1 - 1*ULTIMATE.start_main_~j~0#1 Supporting invariants [] [2023-11-21 22:22:56,642 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2023-11-21 22:22:56,644 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Forceful destruction successful, exit code 0 [2023-11-21 22:22:56,644 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-11-21 22:22:56,658 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:22:56,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:22:56,678 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 22:22:56,679 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:22:56,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:22:56,725 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-21 22:22:56,726 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:22:56,927 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:22:56,928 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 5 loop predicates [2023-11-21 22:22:56,928 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 226 states and 254 transitions. cyclomatic complexity: 32 Second operand has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 7 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:22:56,988 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 226 states and 254 transitions. cyclomatic complexity: 32. Second operand has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 7 states have internal predecessors, (44), 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 382 states and 418 transitions. Complement of second has 7 states. [2023-11-21 22:22:56,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2023-11-21 22:22:56,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 7 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:22:56,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 57 transitions. [2023-11-21 22:22:56,990 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 57 transitions. Stem has 19 letters. Loop has 25 letters. [2023-11-21 22:22:56,990 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:22:56,990 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-11-21 22:22:57,004 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:22:57,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:22:57,024 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 22:22:57,025 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:22:57,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:22:57,079 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-21 22:22:57,082 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:22:57,268 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:22:57,269 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 5 loop predicates [2023-11-21 22:22:57,269 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 226 states and 254 transitions. cyclomatic complexity: 32 Second operand has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 7 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:22:57,451 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 226 states and 254 transitions. cyclomatic complexity: 32. Second operand has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 7 states have internal predecessors, (44), 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 462 states and 502 transitions. Complement of second has 15 states. [2023-11-21 22:22:57,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 8 states 1 stem states 6 non-accepting loop states 1 accepting loop states [2023-11-21 22:22:57,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 7 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:22:57,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 77 transitions. [2023-11-21 22:22:57,453 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 77 transitions. Stem has 19 letters. Loop has 25 letters. [2023-11-21 22:22:57,454 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:22:57,454 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-11-21 22:22:57,489 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:22:57,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:22:57,506 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 22:22:57,506 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:22:57,518 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Forceful destruction successful, exit code 0 [2023-11-21 22:22:57,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:22:57,551 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-21 22:22:57,552 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:22:57,755 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:22:57,755 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 5 loop predicates [2023-11-21 22:22:57,756 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 226 states and 254 transitions. cyclomatic complexity: 32 Second operand has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 7 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:22:57,837 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 226 states and 254 transitions. cyclomatic complexity: 32. Second operand has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 7 states have internal predecessors, (44), 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 761 states and 824 transitions. Complement of second has 7 states. [2023-11-21 22:22:57,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2023-11-21 22:22:57,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 7 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:22:57,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 107 transitions. [2023-11-21 22:22:57,839 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 107 transitions. Stem has 19 letters. Loop has 25 letters. [2023-11-21 22:22:57,839 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:22:57,839 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-11-21 22:22:57,853 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:22:57,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:22:57,869 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 22:22:57,870 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:22:57,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:22:57,913 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-21 22:22:57,914 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:22:58,119 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:22:58,120 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and with honda bouncer for loop.1 stem predicates 5 loop predicates [2023-11-21 22:22:58,120 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 226 states and 254 transitions. cyclomatic complexity: 32 Second operand has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 7 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:22:58,415 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 226 states and 254 transitions. cyclomatic complexity: 32. Second operand has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 7 states have internal predecessors, (44), 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 913 states and 989 transitions. Complement of second has 14 states. [2023-11-21 22:22:58,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 8 states 1 stem states 6 non-accepting loop states 1 accepting loop states [2023-11-21 22:22:58,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 7 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:22:58,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 132 transitions. [2023-11-21 22:22:58,416 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 132 transitions. Stem has 19 letters. Loop has 25 letters. [2023-11-21 22:22:58,416 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:22:58,417 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 132 transitions. Stem has 44 letters. Loop has 25 letters. [2023-11-21 22:22:58,417 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:22:58,417 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 132 transitions. Stem has 19 letters. Loop has 50 letters. [2023-11-21 22:22:58,417 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:22:58,418 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 913 states and 989 transitions. [2023-11-21 22:22:58,426 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 25 [2023-11-21 22:22:58,431 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 913 states to 632 states and 696 transitions. [2023-11-21 22:22:58,431 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 57 [2023-11-21 22:22:58,432 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 58 [2023-11-21 22:22:58,432 INFO L73 IsDeterministic]: Start isDeterministic. Operand 632 states and 696 transitions. [2023-11-21 22:22:58,432 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-21 22:22:58,432 INFO L218 hiAutomatonCegarLoop]: Abstraction has 632 states and 696 transitions. [2023-11-21 22:22:58,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 632 states and 696 transitions. [2023-11-21 22:22:58,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 632 to 418. [2023-11-21 22:22:58,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 418 states, 418 states have (on average 1.1172248803827751) internal successors, (467), 417 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:22:58,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 418 states and 467 transitions. [2023-11-21 22:22:58,444 INFO L240 hiAutomatonCegarLoop]: Abstraction has 418 states and 467 transitions. [2023-11-21 22:22:58,444 INFO L428 stractBuchiCegarLoop]: Abstraction has 418 states and 467 transitions. [2023-11-21 22:22:58,444 INFO L335 stractBuchiCegarLoop]: ======== Iteration 10 ============ [2023-11-21 22:22:58,445 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 418 states and 467 transitions. [2023-11-21 22:22:58,447 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 25 [2023-11-21 22:22:58,447 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-21 22:22:58,447 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-21 22:22:58,448 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:22:58,448 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:22:58,449 INFO L748 eck$LassoCheckResult]: Stem: 10591#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(9, 2); 10515#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;main_#in~argc#1, main_#in~argv#1.base, main_#in~argv#1.offset := #in~argc#1, #in~argv#1.base, #in~argv#1.offset;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~post2#1, main_#t~post3#1, main_#t~nondet4#1, main_#t~nondet5#1, main_#t~post6#1, main_#t~post7#1, main_~argc#1, main_~n~0#1, main_~l~0#1, main_~r~0#1, main_~i~0#1, main_~j~0#1;main_~argc#1 := main_#in~argc#1;havoc main_~n~0#1;havoc main_~l~0#1;havoc main_~r~0#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_#t~nondet1#1;main_~n~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 10516#L27 assume !!(1 <= main_~n~0#1 && main_~n~0#1 <= 1000000);main_~l~0#1 := 1 + (if main_~n~0#1 < 0 && 0 != main_~n~0#1 % 2 then 1 + main_~n~0#1 / 2 else main_~n~0#1 / 2);main_~r~0#1 := main_~n~0#1; 10499#L30 assume main_~l~0#1 > 1;main_#t~post2#1 := main_~l~0#1;main_~l~0#1 := main_#t~post2#1 - 1;havoc main_#t~post2#1; 10500#L59-1 assume !!(main_~r~0#1 > 1);main_~i~0#1 := main_~l~0#1;main_~j~0#1 := 2 * main_~l~0#1; 10537#L38-2 assume !!(main_~j~0#1 <= main_~r~0#1); 10780#L39 assume !(main_~j~0#1 < main_~r~0#1); 10732#L39-1 assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 1 <= main_~j~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 10728#L18-12 assume !(0 == __VERIFIER_assert_~cond#1); 10729#L18-14 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_~j~0#1 <= main_~n~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 10910#L18-15 assume !(0 == __VERIFIER_assert_~cond#1); 10909#L18-17 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;havoc main_#t~nondet5#1; 10908#L49 assume 0 != main_#t~nondet5#1;havoc main_#t~nondet5#1; 10501#L38-3 assume main_~l~0#1 > 1;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 1 <= main_~l~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 10502#L18-30 assume !(0 == __VERIFIER_assert_~cond#1); 10630#L18-32 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_~l~0#1 <= main_~n~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 10497#L18-33 assume !(0 == __VERIFIER_assert_~cond#1); 10498#L18-35 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;main_#t~post6#1 := main_~l~0#1;main_~l~0#1 := main_#t~post6#1 - 1;havoc main_#t~post6#1; 10525#L59-1 assume !!(main_~r~0#1 > 1);main_~i~0#1 := main_~l~0#1;main_~j~0#1 := 2 * main_~l~0#1; 10603#L38-2 assume !!(main_~j~0#1 <= main_~r~0#1); 10601#L39 assume main_~j~0#1 < main_~r~0#1;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 1 <= main_~j~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 10581#L18 assume !(0 == __VERIFIER_assert_~cond#1); 10582#L18-2 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_~j~0#1 <= main_~n~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 10600#L18-3 assume !(0 == __VERIFIER_assert_~cond#1); 10503#L18-5 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 1 <= 1 + main_~j~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 10504#L18-6 assume !(0 == __VERIFIER_assert_~cond#1); 10597#L18-8 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 1 + main_~j~0#1 <= main_~n~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 10596#L18-9 assume !(0 == __VERIFIER_assert_~cond#1); 10585#L18-11 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;havoc main_#t~nondet4#1; 10507#L44 assume !(0 != main_#t~nondet4#1);havoc main_#t~nondet4#1; 10508#L39-1 [2023-11-21 22:22:58,449 INFO L750 eck$LassoCheckResult]: Loop: 10508#L39-1 assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 1 <= main_~j~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 10517#L18-12 assume !(0 == __VERIFIER_assert_~cond#1); 10518#L18-14 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_~j~0#1 <= main_~n~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 10559#L18-15 assume !(0 == __VERIFIER_assert_~cond#1); 10560#L18-17 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;havoc main_#t~nondet5#1; 10545#L49 assume !(0 != main_#t~nondet5#1);havoc main_#t~nondet5#1;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 1 <= main_~i~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 10529#L18-18 assume !(0 == __VERIFIER_assert_~cond#1); 10530#L18-20 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_~i~0#1 <= main_~n~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 10551#L18-21 assume !(0 == __VERIFIER_assert_~cond#1); 10552#L18-23 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 1 <= main_~j~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 10555#L18-24 assume !(0 == __VERIFIER_assert_~cond#1); 10556#L18-26 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_~j~0#1 <= main_~n~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 10593#L18-27 assume !(0 == __VERIFIER_assert_~cond#1); 10574#L18-29 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;main_~i~0#1 := main_~j~0#1;main_~j~0#1 := 2 * main_~j~0#1; 10575#L38-2 assume !!(main_~j~0#1 <= main_~r~0#1); 10598#L39 assume main_~j~0#1 < main_~r~0#1;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 1 <= main_~j~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 10599#L18 assume !(0 == __VERIFIER_assert_~cond#1); 10533#L18-2 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_~j~0#1 <= main_~n~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 10534#L18-3 assume !(0 == __VERIFIER_assert_~cond#1); 10542#L18-5 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 1 <= 1 + main_~j~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 10539#L18-6 assume !(0 == __VERIFIER_assert_~cond#1); 10521#L18-8 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 1 + main_~j~0#1 <= main_~n~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 10522#L18-9 assume !(0 == __VERIFIER_assert_~cond#1); 10578#L18-11 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;havoc main_#t~nondet4#1; 10595#L44 assume 0 != main_#t~nondet4#1;havoc main_#t~nondet4#1;main_~j~0#1 := 1 + main_~j~0#1; 10508#L39-1 [2023-11-21 22:22:58,449 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:22:58,450 INFO L85 PathProgramCache]: Analyzing trace with hash -216057713, now seen corresponding path program 1 times [2023-11-21 22:22:58,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:22:58,450 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1699865468] [2023-11-21 22:22:58,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:22:58,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:22:58,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:22:58,460 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:22:58,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:22:58,477 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:22:58,477 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:22:58,477 INFO L85 PathProgramCache]: Analyzing trace with hash -289806389, now seen corresponding path program 3 times [2023-11-21 22:22:58,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:22:58,478 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [318877977] [2023-11-21 22:22:58,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:22:58,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:22:58,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:22:58,486 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:22:58,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:22:58,495 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:22:58,498 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:22:58,498 INFO L85 PathProgramCache]: Analyzing trace with hash -46806275, now seen corresponding path program 1 times [2023-11-21 22:22:58,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:22:58,499 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [540750943] [2023-11-21 22:22:58,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:22:58,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:22:58,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:22:58,643 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:22:58,644 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:22:58,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [540750943] [2023-11-21 22:22:58,644 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [540750943] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-21 22:22:58,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [821477619] [2023-11-21 22:22:58,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:22:58,645 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 22:22:58,645 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:22:58,646 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-21 22:22:58,667 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (60)] Waiting until timeout for monitored process [2023-11-21 22:22:58,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:22:58,714 INFO L262 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 22:22:58,716 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:22:58,967 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:22:58,968 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-21 22:22:59,127 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:22:59,130 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [821477619] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-21 22:22:59,130 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-21 22:22:59,130 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 14 [2023-11-21 22:22:59,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [939900625] [2023-11-21 22:22:59,130 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-21 22:22:59,414 INFO L210 LassoAnalysis]: Preferences: [2023-11-21 22:22:59,414 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-21 22:22:59,414 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-21 22:22:59,414 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-21 22:22:59,414 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-21 22:22:59,415 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:22:59,415 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-21 22:22:59,415 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-21 22:22:59,415 INFO L133 ssoRankerPreferences]: Filename of dumped script: heapsort.i_Iteration10_Loop [2023-11-21 22:22:59,415 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-21 22:22:59,415 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-21 22:22:59,416 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:22:59,430 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:22:59,433 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:22:59,437 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:22:59,440 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:22:59,487 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-21 22:22:59,487 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-21 22:22:59,487 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:22:59,487 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:22:59,488 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:22:59,489 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2023-11-21 22:22:59,489 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-21 22:22:59,489 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-21 22:22:59,554 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Forceful destruction successful, exit code 0 [2023-11-21 22:22:59,555 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:22:59,555 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:22:59,556 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:22:59,559 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-21 22:22:59,559 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-21 22:22:59,573 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2023-11-21 22:22:59,693 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-11-21 22:22:59,696 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Ended with exit code 0 [2023-11-21 22:22:59,696 INFO L210 LassoAnalysis]: Preferences: [2023-11-21 22:22:59,696 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-21 22:22:59,696 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-21 22:22:59,697 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-21 22:22:59,697 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-21 22:22:59,697 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:22:59,697 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-21 22:22:59,697 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-21 22:22:59,697 INFO L133 ssoRankerPreferences]: Filename of dumped script: heapsort.i_Iteration10_Loop [2023-11-21 22:22:59,697 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-21 22:22:59,697 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-21 22:22:59,698 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:22:59,716 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:22:59,719 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:22:59,722 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:22:59,725 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:22:59,775 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-21 22:22:59,775 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-21 22:22:59,776 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:22:59,776 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:22:59,777 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:22:59,778 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2023-11-21 22:22:59,779 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-21 22:22:59,790 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:22:59,791 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:22:59,791 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:22:59,791 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:22:59,791 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:22:59,793 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:22:59,793 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:22:59,796 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-21 22:22:59,802 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2023-11-21 22:22:59,802 INFO L444 ModelExtractionUtils]: 2 out of 6 variables were initially zero. Simplification set additionally 1 variables to zero. [2023-11-21 22:22:59,802 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:22:59,802 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:22:59,804 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:22:59,805 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2023-11-21 22:22:59,805 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-21 22:22:59,805 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-11-21 22:22:59,805 INFO L513 LassoAnalysis]: Proved termination. [2023-11-21 22:22:59,806 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~j~0#1, ULTIMATE.start_main_~n~0#1) = -1*ULTIMATE.start_main_~j~0#1 + 1*ULTIMATE.start_main_~n~0#1 Supporting invariants [] [2023-11-21 22:22:59,821 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Ended with exit code 0 [2023-11-21 22:22:59,822 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-11-21 22:22:59,834 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:22:59,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:22:59,857 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 22:22:59,858 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:22:59,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:22:59,928 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-21 22:22:59,929 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:23:00,127 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Forceful destruction successful, exit code 0 [2023-11-21 22:23:00,177 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:23:00,177 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 6 loop predicates [2023-11-21 22:23:00,178 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 418 states and 467 transitions. cyclomatic complexity: 54 Second operand has 8 states, 8 states have (on average 6.625) internal successors, (53), 8 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:23:00,723 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 418 states and 467 transitions. cyclomatic complexity: 54. Second operand has 8 states, 8 states have (on average 6.625) internal successors, (53), 8 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 1360 states and 1490 transitions. Complement of second has 19 states. [2023-11-21 22:23:00,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 10 states 1 stem states 8 non-accepting loop states 1 accepting loop states [2023-11-21 22:23:00,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 6.625) internal successors, (53), 8 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:23:00,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 166 transitions. [2023-11-21 22:23:00,724 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 166 transitions. Stem has 30 letters. Loop has 25 letters. [2023-11-21 22:23:00,725 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:23:00,725 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 166 transitions. Stem has 55 letters. Loop has 25 letters. [2023-11-21 22:23:00,725 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:23:00,725 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 166 transitions. Stem has 30 letters. Loop has 50 letters. [2023-11-21 22:23:00,726 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:23:00,726 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1360 states and 1490 transitions. [2023-11-21 22:23:00,739 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 50 [2023-11-21 22:23:00,751 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1360 states to 1171 states and 1286 transitions. [2023-11-21 22:23:00,751 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 101 [2023-11-21 22:23:00,752 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 102 [2023-11-21 22:23:00,752 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1171 states and 1286 transitions. [2023-11-21 22:23:00,752 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-21 22:23:00,753 INFO L218 hiAutomatonCegarLoop]: Abstraction has 1171 states and 1286 transitions. [2023-11-21 22:23:00,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1171 states and 1286 transitions. [2023-11-21 22:23:00,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1171 to 852. [2023-11-21 22:23:00,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 852 states, 852 states have (on average 1.107981220657277) internal successors, (944), 851 states have internal predecessors, (944), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:23:00,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 852 states to 852 states and 944 transitions. [2023-11-21 22:23:00,779 INFO L240 hiAutomatonCegarLoop]: Abstraction has 852 states and 944 transitions. [2023-11-21 22:23:00,779 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:23:00,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-11-21 22:23:00,780 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2023-11-21 22:23:00,780 INFO L87 Difference]: Start difference. First operand 852 states and 944 transitions. Second operand has 14 states, 14 states have (on average 7.0) internal successors, (98), 14 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:23:02,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:23:02,345 INFO L93 Difference]: Finished difference Result 4122 states and 4424 transitions. [2023-11-21 22:23:02,345 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 4122 states and 4424 transitions. [2023-11-21 22:23:02,380 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 114 [2023-11-21 22:23:02,404 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 4122 states to 2876 states and 3106 transitions. [2023-11-21 22:23:02,404 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 276 [2023-11-21 22:23:02,405 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 276 [2023-11-21 22:23:02,405 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2876 states and 3106 transitions. [2023-11-21 22:23:02,406 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-21 22:23:02,406 INFO L218 hiAutomatonCegarLoop]: Abstraction has 2876 states and 3106 transitions. [2023-11-21 22:23:02,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2876 states and 3106 transitions. [2023-11-21 22:23:02,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2876 to 1293. [2023-11-21 22:23:02,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1293 states, 1293 states have (on average 1.102861562258314) internal successors, (1426), 1292 states have internal predecessors, (1426), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:23:02,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1293 states to 1293 states and 1426 transitions. [2023-11-21 22:23:02,449 INFO L240 hiAutomatonCegarLoop]: Abstraction has 1293 states and 1426 transitions. [2023-11-21 22:23:02,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2023-11-21 22:23:02,449 INFO L428 stractBuchiCegarLoop]: Abstraction has 1293 states and 1426 transitions. [2023-11-21 22:23:02,450 INFO L335 stractBuchiCegarLoop]: ======== Iteration 11 ============ [2023-11-21 22:23:02,450 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1293 states and 1426 transitions. [2023-11-21 22:23:02,458 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 50 [2023-11-21 22:23:02,458 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-21 22:23:02,459 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-21 22:23:02,462 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:23:02,462 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:23:02,463 INFO L748 eck$LassoCheckResult]: Stem: 17955#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(9, 2); 17891#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;main_#in~argc#1, main_#in~argv#1.base, main_#in~argv#1.offset := #in~argc#1, #in~argv#1.base, #in~argv#1.offset;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~post2#1, main_#t~post3#1, main_#t~nondet4#1, main_#t~nondet5#1, main_#t~post6#1, main_#t~post7#1, main_~argc#1, main_~n~0#1, main_~l~0#1, main_~r~0#1, main_~i~0#1, main_~j~0#1;main_~argc#1 := main_#in~argc#1;havoc main_~n~0#1;havoc main_~l~0#1;havoc main_~r~0#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_#t~nondet1#1;main_~n~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 17892#L27 assume !!(1 <= main_~n~0#1 && main_~n~0#1 <= 1000000);main_~l~0#1 := 1 + (if main_~n~0#1 < 0 && 0 != main_~n~0#1 % 2 then 1 + main_~n~0#1 / 2 else main_~n~0#1 / 2);main_~r~0#1 := main_~n~0#1; 17877#L30 assume main_~l~0#1 > 1;main_#t~post2#1 := main_~l~0#1;main_~l~0#1 := main_#t~post2#1 - 1;havoc main_#t~post2#1; 17878#L59-1 assume !!(main_~r~0#1 > 1);main_~i~0#1 := main_~l~0#1;main_~j~0#1 := 2 * main_~l~0#1; 17913#L38-2 assume !!(main_~j~0#1 <= main_~r~0#1); 18281#L39 assume main_~j~0#1 < main_~r~0#1;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 1 <= main_~j~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 18471#L18 assume !(0 == __VERIFIER_assert_~cond#1); 18441#L18-2 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_~j~0#1 <= main_~n~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 18328#L18-3 assume !(0 == __VERIFIER_assert_~cond#1); 18326#L18-5 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 1 <= 1 + main_~j~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 18324#L18-6 assume !(0 == __VERIFIER_assert_~cond#1); 18322#L18-8 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 1 + main_~j~0#1 <= main_~n~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 18320#L18-9 assume !(0 == __VERIFIER_assert_~cond#1); 18284#L18-11 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;havoc main_#t~nondet4#1; 18174#L44 assume !(0 != main_#t~nondet4#1);havoc main_#t~nondet4#1; 18175#L39-1 assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 1 <= main_~j~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 18905#L18-12 assume !(0 == __VERIFIER_assert_~cond#1); 18903#L18-14 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_~j~0#1 <= main_~n~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 18901#L18-15 assume !(0 == __VERIFIER_assert_~cond#1); 18900#L18-17 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;havoc main_#t~nondet5#1; 18549#L49 assume 0 != main_#t~nondet5#1;havoc main_#t~nondet5#1; 18525#L38-3 assume main_~l~0#1 > 1;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 1 <= main_~l~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 18523#L18-30 assume !(0 == __VERIFIER_assert_~cond#1); 18521#L18-32 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_~l~0#1 <= main_~n~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 18519#L18-33 assume !(0 == __VERIFIER_assert_~cond#1); 18157#L18-35 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;main_#t~post6#1 := main_~l~0#1;main_~l~0#1 := main_#t~post6#1 - 1;havoc main_#t~post6#1; 17962#L59-1 assume !!(main_~r~0#1 > 1);main_~i~0#1 := main_~l~0#1;main_~j~0#1 := 2 * main_~l~0#1; 17964#L38-2 assume !!(main_~j~0#1 <= main_~r~0#1); 18129#L39 assume main_~j~0#1 < main_~r~0#1;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 1 <= main_~j~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 17950#L18 assume !(0 == __VERIFIER_assert_~cond#1); 17909#L18-2 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_~j~0#1 <= main_~n~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 17910#L18-3 assume !(0 == __VERIFIER_assert_~cond#1); 17881#L18-5 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 1 <= 1 + main_~j~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 17882#L18-6 assume !(0 == __VERIFIER_assert_~cond#1); 17898#L18-8 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 1 + main_~j~0#1 <= main_~n~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 17899#L18-9 assume !(0 == __VERIFIER_assert_~cond#1); 17948#L18-11 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;havoc main_#t~nondet4#1; 17885#L44 assume !(0 != main_#t~nondet4#1);havoc main_#t~nondet4#1; 17886#L39-1 [2023-11-21 22:23:02,463 INFO L750 eck$LassoCheckResult]: Loop: 17886#L39-1 assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 1 <= main_~j~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 17894#L18-12 assume !(0 == __VERIFIER_assert_~cond#1); 17895#L18-14 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_~j~0#1 <= main_~n~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 17942#L18-15 assume !(0 == __VERIFIER_assert_~cond#1); 18117#L18-17 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;havoc main_#t~nondet5#1; 18116#L49 assume !(0 != main_#t~nondet5#1);havoc main_#t~nondet5#1;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 1 <= main_~i~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 17905#L18-18 assume !(0 == __VERIFIER_assert_~cond#1); 17906#L18-20 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_~i~0#1 <= main_~n~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 17956#L18-21 assume !(0 == __VERIFIER_assert_~cond#1); 18114#L18-23 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 1 <= main_~j~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 17928#L18-24 assume !(0 == __VERIFIER_assert_~cond#1); 17929#L18-26 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_~j~0#1 <= main_~n~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 17957#L18-27 assume !(0 == __VERIFIER_assert_~cond#1); 18112#L18-29 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;main_~i~0#1 := main_~j~0#1;main_~j~0#1 := 2 * main_~j~0#1; 18111#L38-2 assume !!(main_~j~0#1 <= main_~r~0#1); 18110#L39 assume main_~j~0#1 < main_~r~0#1;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 1 <= main_~j~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 18109#L18 assume !(0 == __VERIFIER_assert_~cond#1); 18108#L18-2 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_~j~0#1 <= main_~n~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 18107#L18-3 assume !(0 == __VERIFIER_assert_~cond#1); 18106#L18-5 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 1 <= 1 + main_~j~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 18105#L18-6 assume !(0 == __VERIFIER_assert_~cond#1); 18104#L18-8 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 1 + main_~j~0#1 <= main_~n~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 18103#L18-9 assume !(0 == __VERIFIER_assert_~cond#1); 18102#L18-11 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;havoc main_#t~nondet4#1; 18101#L44 assume 0 != main_#t~nondet4#1;havoc main_#t~nondet4#1;main_~j~0#1 := 1 + main_~j~0#1; 17886#L39-1 [2023-11-21 22:23:02,463 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:23:02,464 INFO L85 PathProgramCache]: Analyzing trace with hash 247002273, now seen corresponding path program 1 times [2023-11-21 22:23:02,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:23:02,464 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [877569796] [2023-11-21 22:23:02,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:23:02,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:23:02,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:23:02,477 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:23:02,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:23:02,508 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:23:02,510 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:23:02,511 INFO L85 PathProgramCache]: Analyzing trace with hash -289806389, now seen corresponding path program 4 times [2023-11-21 22:23:02,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:23:02,511 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1254006980] [2023-11-21 22:23:02,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:23:02,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:23:02,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:23:02,522 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:23:02,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:23:02,532 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:23:02,533 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:23:02,533 INFO L85 PathProgramCache]: Analyzing trace with hash -1441831125, now seen corresponding path program 1 times [2023-11-21 22:23:02,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:23:02,533 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1966430064] [2023-11-21 22:23:02,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:23:02,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:23:02,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:23:02,552 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:23:02,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:23:02,571 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:23:02,842 INFO L210 LassoAnalysis]: Preferences: [2023-11-21 22:23:02,842 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-21 22:23:02,843 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-21 22:23:02,843 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-21 22:23:02,843 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-21 22:23:02,843 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:23:02,843 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-21 22:23:02,843 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-21 22:23:02,843 INFO L133 ssoRankerPreferences]: Filename of dumped script: heapsort.i_Iteration11_Loop [2023-11-21 22:23:02,843 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-21 22:23:02,844 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-21 22:23:02,844 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:23:02,847 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:23:02,849 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:23:02,851 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:23:02,853 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:23:02,913 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-21 22:23:02,914 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-21 22:23:02,914 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:23:02,914 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:23:02,915 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:23:02,924 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-21 22:23:02,924 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-21 22:23:02,931 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2023-11-21 22:23:02,955 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-21 22:23:02,955 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start___VERIFIER_assert_#in~cond#1=0} Honda state: {ULTIMATE.start___VERIFIER_assert_#in~cond#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-21 22:23:02,977 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Forceful destruction successful, exit code 0 [2023-11-21 22:23:02,977 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:23:02,978 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:23:02,980 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:23:02,985 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-21 22:23:02,985 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-21 22:23:02,999 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2023-11-21 22:23:03,016 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-21 22:23:03,016 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start___VERIFIER_assert_~cond#1=0} Honda state: {ULTIMATE.start___VERIFIER_assert_~cond#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-21 22:23:03,036 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Forceful destruction successful, exit code 0 [2023-11-21 22:23:03,037 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:23:03,037 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:23:03,038 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:23:03,041 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-21 22:23:03,041 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-21 22:23:03,056 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2023-11-21 22:23:03,075 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-21 22:23:03,075 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet4#1=0} Honda state: {ULTIMATE.start_main_#t~nondet4#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-21 22:23:03,097 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Forceful destruction successful, exit code 0 [2023-11-21 22:23:03,098 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:23:03,098 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:23:03,099 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:23:03,103 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-21 22:23:03,103 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-21 22:23:03,117 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2023-11-21 22:23:03,119 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-21 22:23:03,119 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet5#1=0} Honda state: {ULTIMATE.start_main_#t~nondet5#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-21 22:23:03,137 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Ended with exit code 0 [2023-11-21 22:23:03,138 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:23:03,138 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:23:03,139 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:23:03,165 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2023-11-21 22:23:03,165 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-21 22:23:03,165 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-21 22:23:03,199 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Ended with exit code 0 [2023-11-21 22:23:03,199 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:23:03,199 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:23:03,200 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:23:03,201 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2023-11-21 22:23:03,202 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-21 22:23:03,202 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-21 22:23:03,314 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-11-21 22:23:03,317 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Ended with exit code 0 [2023-11-21 22:23:03,317 INFO L210 LassoAnalysis]: Preferences: [2023-11-21 22:23:03,317 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-21 22:23:03,317 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-21 22:23:03,317 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-21 22:23:03,317 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-21 22:23:03,317 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:23:03,317 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-21 22:23:03,317 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-21 22:23:03,318 INFO L133 ssoRankerPreferences]: Filename of dumped script: heapsort.i_Iteration11_Loop [2023-11-21 22:23:03,318 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-21 22:23:03,318 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-21 22:23:03,319 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:23:03,321 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:23:03,325 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:23:03,328 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:23:03,352 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:23:03,409 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-21 22:23:03,409 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-21 22:23:03,409 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:23:03,409 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:23:03,410 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:23:03,414 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-21 22:23:03,427 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2023-11-21 22:23:03,427 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:23:03,428 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:23:03,428 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:23:03,428 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:23:03,428 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:23:03,428 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:23:03,429 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:23:03,443 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:23:03,463 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Forceful destruction successful, exit code 0 [2023-11-21 22:23:03,463 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:23:03,463 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:23:03,464 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:23:03,471 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-21 22:23:03,485 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2023-11-21 22:23:03,486 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:23:03,486 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:23:03,486 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:23:03,486 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:23:03,486 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:23:03,487 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:23:03,487 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:23:03,503 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:23:03,522 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Forceful destruction successful, exit code 0 [2023-11-21 22:23:03,523 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:23:03,523 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:23:03,525 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:23:03,527 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2023-11-21 22:23:03,528 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-21 22:23:03,541 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:23:03,541 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:23:03,541 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:23:03,541 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:23:03,541 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:23:03,542 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:23:03,543 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:23:03,559 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:23:03,577 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Forceful destruction successful, exit code 0 [2023-11-21 22:23:03,578 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:23:03,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:23:03,579 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:23:03,581 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-21 22:23:03,587 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2023-11-21 22:23:03,593 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:23:03,593 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:23:03,593 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:23:03,594 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:23:03,594 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:23:03,595 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:23:03,595 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:23:03,599 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-21 22:23:03,605 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2023-11-21 22:23:03,605 INFO L444 ModelExtractionUtils]: 1 out of 6 variables were initially zero. Simplification set additionally 2 variables to zero. [2023-11-21 22:23:03,605 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:23:03,605 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:23:03,606 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:23:03,607 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2023-11-21 22:23:03,608 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-21 22:23:03,608 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-11-21 22:23:03,608 INFO L513 LassoAnalysis]: Proved termination. [2023-11-21 22:23:03,608 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~j~0#1, ULTIMATE.start_main_~n~0#1) = -3*ULTIMATE.start_main_~j~0#1 + 2*ULTIMATE.start_main_~n~0#1 Supporting invariants [] [2023-11-21 22:23:03,625 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Ended with exit code 0 [2023-11-21 22:23:03,626 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-11-21 22:23:03,642 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:23:03,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:23:03,669 INFO L262 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 22:23:03,671 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:23:03,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:23:03,738 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-21 22:23:03,739 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:23:03,954 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:23:03,955 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 6 loop predicates [2023-11-21 22:23:03,955 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 1293 states and 1426 transitions. cyclomatic complexity: 150 Second operand has 8 states, 8 states have (on average 6.625) internal successors, (53), 8 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:23:04,506 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 1293 states and 1426 transitions. cyclomatic complexity: 150. Second operand has 8 states, 8 states have (on average 6.625) internal successors, (53), 8 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 2335 states and 2530 transitions. Complement of second has 19 states. [2023-11-21 22:23:04,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 10 states 1 stem states 8 non-accepting loop states 1 accepting loop states [2023-11-21 22:23:04,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 6.625) internal successors, (53), 8 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:23:04,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 166 transitions. [2023-11-21 22:23:04,508 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 166 transitions. Stem has 39 letters. Loop has 25 letters. [2023-11-21 22:23:04,508 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:23:04,508 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-11-21 22:23:04,523 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:23:04,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:23:04,551 INFO L262 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 22:23:04,552 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:23:04,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:23:04,615 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-21 22:23:04,616 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:23:04,828 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Forceful destruction successful, exit code 0 [2023-11-21 22:23:04,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:23:04,872 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 6 loop predicates [2023-11-21 22:23:04,872 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 1293 states and 1426 transitions. cyclomatic complexity: 150 Second operand has 8 states, 8 states have (on average 6.625) internal successors, (53), 8 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:23:05,322 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 1293 states and 1426 transitions. cyclomatic complexity: 150. Second operand has 8 states, 8 states have (on average 6.625) internal successors, (53), 8 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 2335 states and 2530 transitions. Complement of second has 19 states. [2023-11-21 22:23:05,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 10 states 1 stem states 8 non-accepting loop states 1 accepting loop states [2023-11-21 22:23:05,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 6.625) internal successors, (53), 8 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:23:05,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 166 transitions. [2023-11-21 22:23:05,323 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 166 transitions. Stem has 39 letters. Loop has 25 letters. [2023-11-21 22:23:05,324 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:23:05,324 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-11-21 22:23:05,335 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:23:05,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:23:05,360 INFO L262 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 22:23:05,361 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:23:05,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:23:05,437 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-21 22:23:05,438 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:23:05,644 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:23:05,644 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 6 loop predicates [2023-11-21 22:23:05,645 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 1293 states and 1426 transitions. cyclomatic complexity: 150 Second operand has 8 states, 8 states have (on average 6.625) internal successors, (53), 8 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:23:06,213 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 1293 states and 1426 transitions. cyclomatic complexity: 150. Second operand has 8 states, 8 states have (on average 6.625) internal successors, (53), 8 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 2930 states and 3164 transitions. Complement of second has 35 states. [2023-11-21 22:23:06,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 10 states 1 stem states 8 non-accepting loop states 1 accepting loop states [2023-11-21 22:23:06,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 6.625) internal successors, (53), 8 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:23:06,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 167 transitions. [2023-11-21 22:23:06,215 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 167 transitions. Stem has 39 letters. Loop has 25 letters. [2023-11-21 22:23:06,215 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:23:06,215 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 167 transitions. Stem has 64 letters. Loop has 25 letters. [2023-11-21 22:23:06,216 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:23:06,216 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 167 transitions. Stem has 39 letters. Loop has 50 letters. [2023-11-21 22:23:06,216 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:23:06,217 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2930 states and 3164 transitions. [2023-11-21 22:23:06,280 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 50 [2023-11-21 22:23:06,295 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2930 states to 1975 states and 2153 transitions. [2023-11-21 22:23:06,295 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 119 [2023-11-21 22:23:06,295 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 123 [2023-11-21 22:23:06,296 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1975 states and 2153 transitions. [2023-11-21 22:23:06,296 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-21 22:23:06,296 INFO L218 hiAutomatonCegarLoop]: Abstraction has 1975 states and 2153 transitions. [2023-11-21 22:23:06,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1975 states and 2153 transitions. [2023-11-21 22:23:06,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1975 to 731. [2023-11-21 22:23:06,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 731 states, 731 states have (on average 1.0998632010943912) internal successors, (804), 730 states have internal predecessors, (804), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:23:06,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 731 states to 731 states and 804 transitions. [2023-11-21 22:23:06,321 INFO L240 hiAutomatonCegarLoop]: Abstraction has 731 states and 804 transitions. [2023-11-21 22:23:06,321 INFO L428 stractBuchiCegarLoop]: Abstraction has 731 states and 804 transitions. [2023-11-21 22:23:06,321 INFO L335 stractBuchiCegarLoop]: ======== Iteration 12 ============ [2023-11-21 22:23:06,321 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 731 states and 804 transitions. [2023-11-21 22:23:06,325 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 25 [2023-11-21 22:23:06,325 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-21 22:23:06,325 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-21 22:23:06,327 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:23:06,327 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:23:06,327 INFO L748 eck$LassoCheckResult]: Stem: 27554#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(9, 2); 27488#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;main_#in~argc#1, main_#in~argv#1.base, main_#in~argv#1.offset := #in~argc#1, #in~argv#1.base, #in~argv#1.offset;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~post2#1, main_#t~post3#1, main_#t~nondet4#1, main_#t~nondet5#1, main_#t~post6#1, main_#t~post7#1, main_~argc#1, main_~n~0#1, main_~l~0#1, main_~r~0#1, main_~i~0#1, main_~j~0#1;main_~argc#1 := main_#in~argc#1;havoc main_~n~0#1;havoc main_~l~0#1;havoc main_~r~0#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_#t~nondet1#1;main_~n~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 27489#L27 assume !!(1 <= main_~n~0#1 && main_~n~0#1 <= 1000000);main_~l~0#1 := 1 + (if main_~n~0#1 < 0 && 0 != main_~n~0#1 % 2 then 1 + main_~n~0#1 / 2 else main_~n~0#1 / 2);main_~r~0#1 := main_~n~0#1; 27473#L30 assume main_~l~0#1 > 1;main_#t~post2#1 := main_~l~0#1;main_~l~0#1 := main_#t~post2#1 - 1;havoc main_#t~post2#1; 27474#L59-1 assume !!(main_~r~0#1 > 1);main_~i~0#1 := main_~l~0#1;main_~j~0#1 := 2 * main_~l~0#1; 27505#L38-2 assume !!(main_~j~0#1 <= main_~r~0#1); 27925#L39 assume main_~j~0#1 < main_~r~0#1;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 1 <= main_~j~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 28125#L18 assume !(0 == __VERIFIER_assert_~cond#1); 28123#L18-2 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_~j~0#1 <= main_~n~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 28121#L18-3 assume !(0 == __VERIFIER_assert_~cond#1); 28119#L18-5 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 1 <= 1 + main_~j~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 28117#L18-6 assume !(0 == __VERIFIER_assert_~cond#1); 28115#L18-8 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 1 + main_~j~0#1 <= main_~n~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 28113#L18-9 assume !(0 == __VERIFIER_assert_~cond#1); 28111#L18-11 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;havoc main_#t~nondet4#1; 28109#L44 assume 0 != main_#t~nondet4#1;havoc main_#t~nondet4#1;main_~j~0#1 := 1 + main_~j~0#1; 28048#L39-1 assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 1 <= main_~j~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 28200#L18-12 assume !(0 == __VERIFIER_assert_~cond#1); 28199#L18-14 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_~j~0#1 <= main_~n~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 28198#L18-15 assume !(0 == __VERIFIER_assert_~cond#1); 28197#L18-17 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;havoc main_#t~nondet5#1; 27633#L49 assume 0 != main_#t~nondet5#1;havoc main_#t~nondet5#1; 27630#L38-3 assume main_~l~0#1 > 1;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 1 <= main_~l~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 27628#L18-30 assume !(0 == __VERIFIER_assert_~cond#1); 27626#L18-32 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_~l~0#1 <= main_~n~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 27624#L18-33 assume !(0 == __VERIFIER_assert_~cond#1); 27622#L18-35 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;main_#t~post6#1 := main_~l~0#1;main_~l~0#1 := main_#t~post6#1 - 1;havoc main_#t~post6#1; 27592#L59-1 assume !!(main_~r~0#1 > 1);main_~i~0#1 := main_~l~0#1;main_~j~0#1 := 2 * main_~l~0#1; 27591#L38-2 assume !!(main_~j~0#1 <= main_~r~0#1); 27588#L39 assume main_~j~0#1 < main_~r~0#1;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 1 <= main_~j~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 27587#L18 assume !(0 == __VERIFIER_assert_~cond#1); 27586#L18-2 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_~j~0#1 <= main_~n~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 27585#L18-3 assume !(0 == __VERIFIER_assert_~cond#1); 27584#L18-5 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 1 <= 1 + main_~j~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 27512#L18-6 assume !(0 == __VERIFIER_assert_~cond#1); 27513#L18-8 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 1 + main_~j~0#1 <= main_~n~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 27544#L18-9 assume !(0 == __VERIFIER_assert_~cond#1); 27545#L18-11 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;havoc main_#t~nondet4#1; 27481#L44 assume !(0 != main_#t~nondet4#1);havoc main_#t~nondet4#1; 27482#L39-1 assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 1 <= main_~j~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 27490#L18-12 [2023-11-21 22:23:06,329 INFO L750 eck$LassoCheckResult]: Loop: 27490#L18-12 assume !(0 == __VERIFIER_assert_~cond#1); 27491#L18-14 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_~j~0#1 <= main_~n~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 27529#L18-15 assume !(0 == __VERIFIER_assert_~cond#1); 27530#L18-17 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;havoc main_#t~nondet5#1; 27514#L49 assume !(0 != main_#t~nondet5#1);havoc main_#t~nondet5#1;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 1 <= main_~i~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 27501#L18-18 assume !(0 == __VERIFIER_assert_~cond#1); 27502#L18-20 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_~i~0#1 <= main_~n~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 27525#L18-21 assume !(0 == __VERIFIER_assert_~cond#1); 27526#L18-23 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 1 <= main_~j~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 27517#L18-24 assume !(0 == __VERIFIER_assert_~cond#1); 27518#L18-26 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_~j~0#1 <= main_~n~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 27556#L18-27 assume !(0 == __VERIFIER_assert_~cond#1); 27540#L18-29 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;main_~i~0#1 := main_~j~0#1;main_~j~0#1 := 2 * main_~j~0#1; 27541#L38-2 assume !!(main_~j~0#1 <= main_~r~0#1); 27521#L39 assume main_~j~0#1 < main_~r~0#1;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 1 <= main_~j~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 27522#L18 assume !(0 == __VERIFIER_assert_~cond#1); 27508#L18-2 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_~j~0#1 <= main_~n~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 27509#L18-3 assume !(0 == __VERIFIER_assert_~cond#1); 27477#L18-5 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 1 <= 1 + main_~j~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 27478#L18-6 assume !(0 == __VERIFIER_assert_~cond#1); 27494#L18-8 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 1 + main_~j~0#1 <= main_~n~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 27495#L18-9 assume !(0 == __VERIFIER_assert_~cond#1); 27549#L18-11 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;havoc main_#t~nondet4#1; 27550#L44 assume !(0 != main_#t~nondet4#1);havoc main_#t~nondet4#1; 27533#L39-1 assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 1 <= main_~j~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 27490#L18-12 [2023-11-21 22:23:06,330 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:23:06,330 INFO L85 PathProgramCache]: Analyzing trace with hash -1073412628, now seen corresponding path program 1 times [2023-11-21 22:23:06,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:23:06,331 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1718792396] [2023-11-21 22:23:06,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:23:06,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:23:06,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:23:06,342 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:23:06,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:23:06,356 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:23:06,357 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:23:06,357 INFO L85 PathProgramCache]: Analyzing trace with hash -472888785, now seen corresponding path program 1 times [2023-11-21 22:23:06,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:23:06,357 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2093176159] [2023-11-21 22:23:06,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:23:06,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:23:06,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:23:06,386 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:23:06,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:23:06,396 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:23:06,397 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:23:06,397 INFO L85 PathProgramCache]: Analyzing trace with hash -1266011484, now seen corresponding path program 2 times [2023-11-21 22:23:06,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:23:06,397 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1341393587] [2023-11-21 22:23:06,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:23:06,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:23:06,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:23:06,426 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:23:06,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:23:06,447 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:23:06,697 INFO L210 LassoAnalysis]: Preferences: [2023-11-21 22:23:06,697 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-21 22:23:06,697 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-21 22:23:06,697 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-21 22:23:06,697 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-21 22:23:06,697 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:23:06,697 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-21 22:23:06,697 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-21 22:23:06,697 INFO L133 ssoRankerPreferences]: Filename of dumped script: heapsort.i_Iteration12_Loop [2023-11-21 22:23:06,697 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-21 22:23:06,697 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-21 22:23:06,698 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:23:06,702 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:23:06,704 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:23:06,706 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:23:06,710 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:23:06,793 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-21 22:23:06,793 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-21 22:23:06,794 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:23:06,794 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:23:06,796 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:23:06,797 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Waiting until timeout for monitored process [2023-11-21 22:23:06,798 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-21 22:23:06,798 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-21 22:23:06,809 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-21 22:23:06,810 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet4#1=0} Honda state: {ULTIMATE.start_main_#t~nondet4#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-21 22:23:06,826 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Forceful destruction successful, exit code 0 [2023-11-21 22:23:06,826 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:23:06,826 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:23:06,827 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:23:06,828 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Waiting until timeout for monitored process [2023-11-21 22:23:06,829 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-21 22:23:06,829 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-21 22:23:06,841 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-21 22:23:06,841 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start___VERIFIER_assert_#in~cond#1=1} Honda state: {ULTIMATE.start___VERIFIER_assert_#in~cond#1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-21 22:23:06,856 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Forceful destruction successful, exit code 0 [2023-11-21 22:23:06,856 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:23:06,856 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:23:06,857 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:23:06,858 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Waiting until timeout for monitored process [2023-11-21 22:23:06,858 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-21 22:23:06,858 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-21 22:23:06,871 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-21 22:23:06,871 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet5#1=0} Honda state: {ULTIMATE.start_main_#t~nondet5#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-21 22:23:06,888 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Forceful destruction successful, exit code 0 [2023-11-21 22:23:06,889 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:23:06,889 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:23:06,889 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:23:06,890 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Waiting until timeout for monitored process [2023-11-21 22:23:06,891 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-21 22:23:06,891 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-21 22:23:06,921 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-21 22:23:06,921 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start___VERIFIER_assert_~cond#1=1} Honda state: {ULTIMATE.start___VERIFIER_assert_~cond#1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-21 22:23:06,937 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Forceful destruction successful, exit code 0 [2023-11-21 22:23:06,937 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:23:06,937 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:23:06,938 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:23:06,939 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Waiting until timeout for monitored process [2023-11-21 22:23:06,939 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-21 22:23:06,939 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-21 22:23:06,971 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Ended with exit code 0 [2023-11-21 22:23:06,971 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:23:06,971 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:23:06,972 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:23:06,973 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Waiting until timeout for monitored process [2023-11-21 22:23:06,973 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-21 22:23:06,973 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-21 22:23:07,212 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-11-21 22:23:07,216 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Forceful destruction successful, exit code 0 [2023-11-21 22:23:07,216 INFO L210 LassoAnalysis]: Preferences: [2023-11-21 22:23:07,216 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-21 22:23:07,216 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-21 22:23:07,217 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-21 22:23:07,217 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-21 22:23:07,217 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:23:07,217 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-21 22:23:07,217 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-21 22:23:07,217 INFO L133 ssoRankerPreferences]: Filename of dumped script: heapsort.i_Iteration12_Loop [2023-11-21 22:23:07,217 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-21 22:23:07,217 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-21 22:23:07,218 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:23:07,221 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:23:07,225 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:23:07,227 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:23:07,233 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:23:07,326 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-21 22:23:07,326 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-21 22:23:07,326 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:23:07,326 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:23:07,327 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:23:07,328 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Waiting until timeout for monitored process [2023-11-21 22:23:07,329 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-21 22:23:07,340 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:23:07,340 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:23:07,340 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:23:07,340 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:23:07,340 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:23:07,341 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:23:07,341 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:23:07,342 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:23:07,355 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Forceful destruction successful, exit code 0 [2023-11-21 22:23:07,355 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:23:07,356 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:23:07,356 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:23:07,357 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Waiting until timeout for monitored process [2023-11-21 22:23:07,358 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-21 22:23:07,369 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:23:07,369 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:23:07,370 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:23:07,370 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:23:07,370 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:23:07,370 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:23:07,370 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:23:07,372 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:23:07,384 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Forceful destruction successful, exit code 0 [2023-11-21 22:23:07,385 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:23:07,385 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:23:07,386 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:23:07,392 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Waiting until timeout for monitored process [2023-11-21 22:23:07,393 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-21 22:23:07,403 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:23:07,404 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:23:07,404 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:23:07,404 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:23:07,404 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:23:07,404 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:23:07,404 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:23:07,406 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:23:07,417 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Ended with exit code 0 [2023-11-21 22:23:07,418 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:23:07,418 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:23:07,419 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:23:07,420 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Waiting until timeout for monitored process [2023-11-21 22:23:07,420 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-21 22:23:07,430 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:23:07,430 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:23:07,431 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:23:07,431 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2023-11-21 22:23:07,431 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:23:07,440 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2023-11-21 22:23:07,440 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:23:07,443 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:23:07,459 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Ended with exit code 0 [2023-11-21 22:23:07,459 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:23:07,459 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:23:07,460 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:23:07,472 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-21 22:23:07,485 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Waiting until timeout for monitored process [2023-11-21 22:23:07,485 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:23:07,485 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:23:07,486 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:23:07,486 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:23:07,486 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:23:07,490 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:23:07,490 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:23:07,507 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-21 22:23:07,513 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2023-11-21 22:23:07,513 INFO L444 ModelExtractionUtils]: 1 out of 6 variables were initially zero. Simplification set additionally 2 variables to zero. [2023-11-21 22:23:07,514 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:23:07,514 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:23:07,515 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:23:07,517 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-21 22:23:07,518 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-11-21 22:23:07,518 INFO L513 LassoAnalysis]: Proved termination. [2023-11-21 22:23:07,518 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~j~0#1, ULTIMATE.start_main_~n~0#1) = -2*ULTIMATE.start_main_~j~0#1 + 1*ULTIMATE.start_main_~n~0#1 Supporting invariants [] [2023-11-21 22:23:07,535 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Waiting until timeout for monitored process [2023-11-21 22:23:07,538 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Forceful destruction successful, exit code 0 [2023-11-21 22:23:07,539 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-11-21 22:23:07,551 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:23:07,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:23:07,579 INFO L262 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 22:23:07,580 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:23:07,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:23:07,656 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-21 22:23:07,657 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:23:07,734 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Forceful destruction successful, exit code 0 [2023-11-21 22:23:07,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:23:07,915 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 6 loop predicates [2023-11-21 22:23:07,916 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 731 states and 804 transitions. cyclomatic complexity: 79 Second operand has 8 states, 8 states have (on average 6.75) internal successors, (54), 8 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:23:08,135 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 731 states and 804 transitions. cyclomatic complexity: 79. Second operand has 8 states, 8 states have (on average 6.75) internal successors, (54), 8 states have internal predecessors, (54), 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 1134 states and 1226 transitions. Complement of second has 13 states. [2023-11-21 22:23:08,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 1 stem states 5 non-accepting loop states 1 accepting loop states [2023-11-21 22:23:08,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 6.75) internal successors, (54), 8 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:23:08,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 67 transitions. [2023-11-21 22:23:08,137 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 67 transitions. Stem has 40 letters. Loop has 25 letters. [2023-11-21 22:23:08,137 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:23:08,137 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-11-21 22:23:08,150 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:23:08,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:23:08,177 INFO L262 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 22:23:08,178 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:23:08,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:23:08,243 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-21 22:23:08,243 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:23:08,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:23:08,453 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 6 loop predicates [2023-11-21 22:23:08,453 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 731 states and 804 transitions. cyclomatic complexity: 79 Second operand has 8 states, 8 states have (on average 6.75) internal successors, (54), 8 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:23:08,684 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 731 states and 804 transitions. cyclomatic complexity: 79. Second operand has 8 states, 8 states have (on average 6.75) internal successors, (54), 8 states have internal predecessors, (54), 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 1110 states and 1204 transitions. Complement of second has 15 states. [2023-11-21 22:23:08,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 8 states 1 stem states 6 non-accepting loop states 1 accepting loop states [2023-11-21 22:23:08,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 6.75) internal successors, (54), 8 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:23:08,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 61 transitions. [2023-11-21 22:23:08,688 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 61 transitions. Stem has 40 letters. Loop has 25 letters. [2023-11-21 22:23:08,688 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:23:08,688 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-11-21 22:23:08,699 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:23:08,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:23:08,723 INFO L262 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 22:23:08,724 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:23:08,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:23:08,780 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-21 22:23:08,781 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:23:08,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:23:08,995 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 6 loop predicates [2023-11-21 22:23:08,995 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 731 states and 804 transitions. cyclomatic complexity: 79 Second operand has 8 states, 8 states have (on average 6.75) internal successors, (54), 8 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:23:09,261 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 731 states and 804 transitions. cyclomatic complexity: 79. Second operand has 8 states, 8 states have (on average 6.75) internal successors, (54), 8 states have internal predecessors, (54), 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 1749 states and 1892 transitions. Complement of second has 30 states. [2023-11-21 22:23:09,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 8 states 1 stem states 6 non-accepting loop states 1 accepting loop states [2023-11-21 22:23:09,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 6.75) internal successors, (54), 8 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:23:09,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 121 transitions. [2023-11-21 22:23:09,263 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 121 transitions. Stem has 40 letters. Loop has 25 letters. [2023-11-21 22:23:09,264 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:23:09,264 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 121 transitions. Stem has 65 letters. Loop has 25 letters. [2023-11-21 22:23:09,265 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:23:09,265 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 121 transitions. Stem has 40 letters. Loop has 50 letters. [2023-11-21 22:23:09,266 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:23:09,266 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1749 states and 1892 transitions. [2023-11-21 22:23:09,317 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-21 22:23:09,318 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1749 states to 0 states and 0 transitions. [2023-11-21 22:23:09,318 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-11-21 22:23:09,318 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-11-21 22:23:09,318 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-11-21 22:23:09,318 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:23:09,318 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-21 22:23:09,319 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-21 22:23:09,319 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-21 22:23:09,319 INFO L335 stractBuchiCegarLoop]: ======== Iteration 13 ============ [2023-11-21 22:23:09,319 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-11-21 22:23:09,319 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-21 22:23:09,319 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-11-21 22:23:09,327 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.11 10:23:09 BoogieIcfgContainer [2023-11-21 22:23:09,328 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-21 22:23:09,329 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 22:23:09,329 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 22:23:09,330 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 22:23:09,330 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:22:41" (3/4) ... [2023-11-21 22:23:09,332 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-21 22:23:09,333 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 22:23:09,334 INFO L158 Benchmark]: Toolchain (without parser) took 28496.07ms. Allocated memory was 174.1MB in the beginning and 255.9MB in the end (delta: 81.8MB). Free memory was 127.4MB in the beginning and 211.8MB in the end (delta: -84.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:23:09,334 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 121.6MB. Free memory is still 67.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:23:09,335 INFO L158 Benchmark]: CACSL2BoogieTranslator took 369.63ms. Allocated memory is still 174.1MB. Free memory was 127.0MB in the beginning and 116.5MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-21 22:23:09,335 INFO L158 Benchmark]: Boogie Procedure Inliner took 76.66ms. Allocated memory is still 174.1MB. Free memory was 116.5MB in the beginning and 113.6MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 22:23:09,336 INFO L158 Benchmark]: Boogie Preprocessor took 81.45ms. Allocated memory is still 174.1MB. Free memory was 113.6MB in the beginning and 111.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 22:23:09,336 INFO L158 Benchmark]: RCFGBuilder took 571.16ms. Allocated memory is still 174.1MB. Free memory was 111.5MB in the beginning and 96.8MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-21 22:23:09,337 INFO L158 Benchmark]: BuchiAutomizer took 27382.08ms. Allocated memory was 174.1MB in the beginning and 255.9MB in the end (delta: 81.8MB). Free memory was 96.0MB in the beginning and 211.8MB in the end (delta: -115.8MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:23:09,337 INFO L158 Benchmark]: Witness Printer took 4.46ms. Allocated memory is still 255.9MB. Free memory is still 211.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:23:09,339 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 121.6MB. Free memory is still 67.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 369.63ms. Allocated memory is still 174.1MB. Free memory was 127.0MB in the beginning and 116.5MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 76.66ms. Allocated memory is still 174.1MB. Free memory was 116.5MB in the beginning and 113.6MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 81.45ms. Allocated memory is still 174.1MB. Free memory was 113.6MB in the beginning and 111.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 571.16ms. Allocated memory is still 174.1MB. Free memory was 111.5MB in the beginning and 96.8MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * BuchiAutomizer took 27382.08ms. Allocated memory was 174.1MB in the beginning and 255.9MB in the end (delta: 81.8MB). Free memory was 96.0MB in the beginning and 211.8MB in the end (delta: -115.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.46ms. Allocated memory is still 255.9MB. Free memory is still 211.8MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 18 terminating modules (8 trivial, 7 deterministic, 3 nondeterministic). One deterministic module has affine ranking function l and consists of 5 locations. One deterministic module has affine ranking function l and consists of 4 locations. One deterministic module has affine ranking function r and consists of 3 locations. One deterministic module has affine ranking function j and consists of 9 locations. One deterministic module has affine ranking function r and consists of 4 locations. One deterministic module has affine ranking function ((-2 * j) + (3 * r)) and consists of 9 locations. One deterministic module has affine ranking function ((-1 * j) + n) and consists of 10 locations. One nondeterministic module has affine ranking function ((-1 * j) + r) and consists of 8 locations. One nondeterministic module has affine ranking function ((2 * n) + (-3 * j)) and consists of 10 locations. One nondeterministic module has affine ranking function ((-2 * j) + n) and consists of 8 locations. 8 modules have a trivial ranking function, the largest among these consists of 14 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 27.3s and 13 iterations. TraceHistogramMax:2. Analysis of lassos took 14.2s. Construction of modules took 3.5s. Büchi inclusion checks took 8.9s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 16. Automata minimization 0.2s AutomataMinimizationTime, 17 MinimizatonAttempts, 4665 StatesRemovedByMinimization, 16 NontrivialMinimizations. Non-live state removal took 0.3s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [6, 1, 2, 1, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3449 SdHoareTripleChecker+Valid, 4.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3431 mSDsluCounter, 4370 SdHoareTripleChecker+Invalid, 3.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2706 mSDsCounter, 233 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3758 IncrementalHoareTripleChecker+Invalid, 3991 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 233 mSolverCounterUnsat, 1664 mSDtfsCounter, 3758 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI2 SFLT4 conc0 concLT6 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital30 mio100 ax100 hnf100 lsp97 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq151 hnf93 smp100 dnf100 smp100 tf104 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 25ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 0 MotzkinApplications: 4 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 23 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 10 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 4.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2023-11-21 22:23:09,380 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (60)] Forceful destruction successful, exit code 0 [2023-11-21 22:23:09,588 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Forceful destruction successful, exit code 0 [2023-11-21 22:23:09,781 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7213c65d-a255-4841-b143-7bcafffba0d2/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE