./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 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loop-invgen/heapsort.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya --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 0.2.4-dev-0e0057c [2023-11-29 03:56:30,951 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 03:56:31,024 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Termination-32bit-Automizer_Default.epf [2023-11-29 03:56:31,030 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 03:56:31,030 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 03:56:31,058 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 03:56:31,058 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 03:56:31,059 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 03:56:31,060 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 03:56:31,060 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 03:56:31,061 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 03:56:31,062 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 03:56:31,062 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 03:56:31,063 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-29 03:56:31,063 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-29 03:56:31,064 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-29 03:56:31,064 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-29 03:56:31,065 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-29 03:56:31,065 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-29 03:56:31,066 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 03:56:31,066 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-29 03:56:31,067 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 03:56:31,068 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 03:56:31,068 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 03:56:31,069 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 03:56:31,069 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-29 03:56:31,070 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-29 03:56:31,070 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-29 03:56:31,070 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-29 03:56:31,071 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 03:56:31,071 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 03:56:31,072 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-29 03:56:31,072 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 03:56:31,072 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 03:56:31,073 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 03:56:31,073 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 03:56:31,073 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 03:56:31,074 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-29 03:56:31,074 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_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8e7c8e5dc2a9e8f11b25d1bb9948f05f37b9553e3dc9f8bd8213088dea43cb37 [2023-11-29 03:56:31,303 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 03:56:31,322 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 03:56:31,325 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 03:56:31,327 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 03:56:31,327 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 03:56:31,328 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/loop-invgen/heapsort.i [2023-11-29 03:56:34,126 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 03:56:34,295 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 03:56:34,295 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/sv-benchmarks/c/loop-invgen/heapsort.i [2023-11-29 03:56:34,302 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/data/9b8665674/21a816fbf4664563b1ae00c85de86369/FLAG08faf627a [2023-11-29 03:56:34,314 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/data/9b8665674/21a816fbf4664563b1ae00c85de86369 [2023-11-29 03:56:34,317 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 03:56:34,319 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 03:56:34,320 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 03:56:34,320 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 03:56:34,325 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 03:56:34,325 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 03:56:34" (1/1) ... [2023-11-29 03:56:34,326 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2dfb09a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:56:34, skipping insertion in model container [2023-11-29 03:56:34,327 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 03:56:34" (1/1) ... [2023-11-29 03:56:34,348 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 03:56:34,492 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 03:56:34,505 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 03:56:34,524 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 03:56:34,538 INFO L206 MainTranslator]: Completed translation [2023-11-29 03:56:34,538 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:56:34 WrapperNode [2023-11-29 03:56:34,539 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 03:56:34,540 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 03:56:34,540 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 03:56:34,540 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 03:56:34,547 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:56:34" (1/1) ... [2023-11-29 03:56:34,553 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:56:34" (1/1) ... [2023-11-29 03:56:34,581 INFO L138 Inliner]: procedures = 16, calls = 21, calls flagged for inlining = 17, calls inlined = 30, statements flattened = 201 [2023-11-29 03:56:34,581 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 03:56:34,582 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 03:56:34,582 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 03:56:34,582 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 03:56:34,591 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:56:34" (1/1) ... [2023-11-29 03:56:34,591 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:56:34" (1/1) ... [2023-11-29 03:56:34,594 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:56:34" (1/1) ... [2023-11-29 03:56:34,608 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-11-29 03:56:34,609 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:56:34" (1/1) ... [2023-11-29 03:56:34,609 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:56:34" (1/1) ... [2023-11-29 03:56:34,615 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:56:34" (1/1) ... [2023-11-29 03:56:34,621 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:56:34" (1/1) ... [2023-11-29 03:56:34,622 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:56:34" (1/1) ... [2023-11-29 03:56:34,624 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:56:34" (1/1) ... [2023-11-29 03:56:34,627 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 03:56:34,628 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 03:56:34,628 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 03:56:34,629 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 03:56:34,630 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:56:34" (1/1) ... [2023-11-29 03:56:34,636 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:56:34,645 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:56:34,658 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:56:34,664 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-29 03:56:34,698 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 03:56:34,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 03:56:34,699 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 03:56:34,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 03:56:34,791 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 03:56:34,793 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 03:56:35,024 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 03:56:35,036 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 03:56:35,037 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-29 03:56:35,038 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 03:56:35 BoogieIcfgContainer [2023-11-29 03:56:35,038 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 03:56:35,039 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-29 03:56:35,040 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-29 03:56:35,043 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-29 03:56:35,044 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-29 03:56:35,044 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.11 03:56:34" (1/3) ... [2023-11-29 03:56:35,045 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@f19b146 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 03:56:35, skipping insertion in model container [2023-11-29 03:56:35,045 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-29 03:56:35,046 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:56:34" (2/3) ... [2023-11-29 03:56:35,046 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@f19b146 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 03:56:35, skipping insertion in model container [2023-11-29 03:56:35,046 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-29 03:56:35,046 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 03:56:35" (3/3) ... [2023-11-29 03:56:35,048 INFO L332 chiAutomizerObserver]: Analyzing ICFG heapsort.i [2023-11-29 03:56:35,100 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-29 03:56:35,100 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-29 03:56:35,100 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-29 03:56:35,101 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-29 03:56:35,101 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-29 03:56:35,101 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-29 03:56:35,101 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-29 03:56:35,101 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-29 03:56:35,106 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) [2023-11-29 03:56:35,129 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 77 [2023-11-29 03:56:35,130 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 03:56:35,130 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 03:56:35,137 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2023-11-29 03:56:35,138 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:56:35,138 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-29 03:56:35,139 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) [2023-11-29 03:56:35,145 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 77 [2023-11-29 03:56:35,145 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 03:56:35,145 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 03:56:35,146 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2023-11-29 03:56:35,146 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:56:35,154 INFO L748 eck$LassoCheckResult]: Stem: 40#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(9, 2); 52#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;main_#in~argc#1, main_#in~argv#1.base, main_#in~argv#1.offset := #in~argc#1, #in~argv#1.base, #in~argv#1.offset;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~post2#1, main_#t~post3#1, main_#t~nondet4#1, main_#t~nondet5#1, main_#t~post6#1, main_#t~post7#1, main_~argc#1, main_~n~0#1, main_~l~0#1, main_~r~0#1, main_~i~0#1, main_~j~0#1;main_~argc#1 := main_#in~argc#1;havoc main_~n~0#1;havoc main_~l~0#1;havoc main_~r~0#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_#t~nondet1#1;main_~n~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 24#L27true assume !!(1 <= main_~n~0#1 && main_~n~0#1 <= 1000000);main_~l~0#1 := 1 + (if main_~n~0#1 < 0 && 0 != main_~n~0#1 % 2 then 1 + main_~n~0#1 / 2 else main_~n~0#1 / 2);main_~r~0#1 := main_~n~0#1; 3#L30true assume !(main_~l~0#1 > 1);main_#t~post3#1 := main_~r~0#1;main_~r~0#1 := main_#t~post3#1 - 1;havoc main_#t~post3#1; 17#L59-1true [2023-11-29 03:56:35,154 INFO L750 eck$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 [2023-11-29 03:56:35,160 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:56:35,161 INFO L85 PathProgramCache]: Analyzing trace with hash 925672, now seen corresponding path program 1 times [2023-11-29 03:56:35,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:56:35,172 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1327044799] [2023-11-29 03:56:35,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:56:35,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:56:35,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 03:56:35,275 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 03:56:35,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 03:56:35,309 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 03:56:35,312 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:56:35,313 INFO L85 PathProgramCache]: Analyzing trace with hash -78633890, now seen corresponding path program 1 times [2023-11-29 03:56:35,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:56:35,313 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [101283671] [2023-11-29 03:56:35,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:56:35,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:56:35,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 03:56:35,328 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 03:56:35,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 03:56:35,344 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 03:56:35,345 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:56:35,345 INFO L85 PathProgramCache]: Analyzing trace with hash 1881186967, now seen corresponding path program 1 times [2023-11-29 03:56:35,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:56:35,346 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1317607089] [2023-11-29 03:56:35,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:56:35,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:56:35,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:56:35,438 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:56:35,438 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:56:35,439 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1317607089] [2023-11-29 03:56:35,439 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1317607089] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:56:35,440 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:56:35,440 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 03:56:35,440 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [456573350] [2023-11-29 03:56:35,441 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:56:35,605 INFO L210 LassoAnalysis]: Preferences: [2023-11-29 03:56:35,606 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-29 03:56:35,606 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-29 03:56:35,606 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-29 03:56:35,606 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-29 03:56:35,606 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:56:35,606 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-29 03:56:35,606 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-29 03:56:35,607 INFO L133 ssoRankerPreferences]: Filename of dumped script: heapsort.i_Iteration1_Loop [2023-11-29 03:56:35,607 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-29 03:56:35,607 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-29 03:56:35,621 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:56:35,643 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:56:35,646 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:56:35,649 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:56:35,706 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-29 03:56:35,707 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-29 03:56:35,709 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:56:35,710 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:56:35,712 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:56:35,716 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-11-29 03:56:35,717 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-29 03:56:35,718 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 03:56:35,741 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2023-11-29 03:56:35,741 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:56:35,741 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:56:35,743 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:56:35,748 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-11-29 03:56:35,749 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-29 03:56:35,749 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 03:56:36,007 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-11-29 03:56:36,011 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2023-11-29 03:56:36,011 INFO L210 LassoAnalysis]: Preferences: [2023-11-29 03:56:36,011 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-29 03:56:36,012 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-29 03:56:36,012 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-29 03:56:36,012 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-29 03:56:36,012 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:56:36,012 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-29 03:56:36,012 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-29 03:56:36,012 INFO L133 ssoRankerPreferences]: Filename of dumped script: heapsort.i_Iteration1_Loop [2023-11-29 03:56:36,012 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-29 03:56:36,012 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-29 03:56:36,014 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:56:36,017 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:56:36,019 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:56:36,033 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:56:36,081 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-29 03:56:36,086 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-29 03:56:36,087 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:56:36,088 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:56:36,089 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:56:36,089 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-11-29 03:56:36,091 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 [2023-11-29 03:56:36,104 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 03:56:36,105 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 03:56:36,105 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 03:56:36,105 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 03:56:36,105 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 03:56:36,107 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 03:56:36,107 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 03:56:36,109 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 03:56:36,113 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2023-11-29 03:56:36,114 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:56:36,114 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:56:36,115 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:56:36,116 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-11-29 03:56:36,118 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 [2023-11-29 03:56:36,128 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 03:56:36,128 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 03:56:36,129 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 03:56:36,129 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 03:56:36,129 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 03:56:36,129 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 03:56:36,130 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 03:56:36,131 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 03:56:36,135 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2023-11-29 03:56:36,136 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:56:36,136 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:56:36,137 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:56:36,140 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2023-11-29 03:56:36,142 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 [2023-11-29 03:56:36,155 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 03:56:36,155 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 03:56:36,155 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 03:56:36,155 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 03:56:36,155 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 03:56:36,158 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 03:56:36,159 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 03:56:36,164 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-29 03:56:36,171 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2023-11-29 03:56:36,171 INFO L444 ModelExtractionUtils]: 4 out of 7 variables were initially zero. Simplification set additionally 1 variables to zero. [2023-11-29 03:56:36,173 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:56:36,173 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:56:36,176 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:56:36,185 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2023-11-29 03:56:36,185 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-29 03:56:36,186 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-11-29 03:56:36,186 INFO L513 LassoAnalysis]: Proved termination. [2023-11-29 03:56:36,186 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 [] [2023-11-29 03:56:36,189 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2023-11-29 03:56:36,192 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-11-29 03:56:36,214 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:56:36,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:56:36,231 INFO L262 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 03:56:36,232 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:56:36,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:56:36,250 INFO L262 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 03:56:36,251 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:56:36,288 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:56:36,316 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 [2023-11-29 03:56:36,319 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) [2023-11-29 03:56:36,412 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. [2023-11-29 03:56:36,415 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 [2023-11-29 03:56:36,419 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) [2023-11-29 03:56:36,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 327 transitions. [2023-11-29 03:56:36,422 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 327 transitions. Stem has 4 letters. Loop has 7 letters. [2023-11-29 03:56:36,423 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 03:56:36,423 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 327 transitions. Stem has 11 letters. Loop has 7 letters. [2023-11-29 03:56:36,423 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 03:56:36,423 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 327 transitions. Stem has 4 letters. Loop has 14 letters. [2023-11-29 03:56:36,423 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 03:56:36,424 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 304 states and 425 transitions. [2023-11-29 03:56:36,436 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 66 [2023-11-29 03:56:36,441 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 304 states to 108 states and 126 transitions. [2023-11-29 03:56:36,442 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 71 [2023-11-29 03:56:36,442 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 72 [2023-11-29 03:56:36,443 INFO L73 IsDeterministic]: Start isDeterministic. Operand 108 states and 126 transitions. [2023-11-29 03:56:36,443 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-29 03:56:36,443 INFO L218 hiAutomatonCegarLoop]: Abstraction has 108 states and 126 transitions. [2023-11-29 03:56:36,458 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2023-11-29 03:56:36,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states and 126 transitions. [2023-11-29 03:56:36,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 107. [2023-11-29 03:56:36,479 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) [2023-11-29 03:56:36,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 124 transitions. [2023-11-29 03:56:36,481 INFO L240 hiAutomatonCegarLoop]: Abstraction has 107 states and 124 transitions. [2023-11-29 03:56:36,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:56:36,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:56:36,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:56:36,485 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) [2023-11-29 03:56:36,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:56:36,513 INFO L93 Difference]: Finished difference Result 129 states and 148 transitions. [2023-11-29 03:56:36,513 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 129 states and 148 transitions. [2023-11-29 03:56:36,515 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 93 [2023-11-29 03:56:36,517 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 129 states to 98 states and 112 transitions. [2023-11-29 03:56:36,517 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 98 [2023-11-29 03:56:36,518 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 98 [2023-11-29 03:56:36,518 INFO L73 IsDeterministic]: Start isDeterministic. Operand 98 states and 112 transitions. [2023-11-29 03:56:36,518 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 03:56:36,519 INFO L218 hiAutomatonCegarLoop]: Abstraction has 98 states and 112 transitions. [2023-11-29 03:56:36,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states and 112 transitions. [2023-11-29 03:56:36,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 66. [2023-11-29 03:56:36,523 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) [2023-11-29 03:56:36,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 76 transitions. [2023-11-29 03:56:36,524 INFO L240 hiAutomatonCegarLoop]: Abstraction has 66 states and 76 transitions. [2023-11-29 03:56:36,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:56:36,525 INFO L428 stractBuchiCegarLoop]: Abstraction has 66 states and 76 transitions. [2023-11-29 03:56:36,525 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-29 03:56:36,526 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 66 states and 76 transitions. [2023-11-29 03:56:36,527 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 62 [2023-11-29 03:56:36,527 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 03:56:36,527 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 03:56:36,527 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2023-11-29 03:56:36,527 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:56:36,527 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 [2023-11-29 03:56:36,528 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 [2023-11-29 03:56:36,528 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:56:36,528 INFO L85 PathProgramCache]: Analyzing trace with hash 925670, now seen corresponding path program 1 times [2023-11-29 03:56:36,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:56:36,529 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [139256804] [2023-11-29 03:56:36,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:56:36,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:56:36,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 03:56:36,542 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 03:56:36,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 03:56:36,554 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 03:56:36,555 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:56:36,555 INFO L85 PathProgramCache]: Analyzing trace with hash -78633890, now seen corresponding path program 2 times [2023-11-29 03:56:36,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:56:36,556 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [261763917] [2023-11-29 03:56:36,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:56:36,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:56:36,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 03:56:36,565 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 03:56:36,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 03:56:36,576 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 03:56:36,576 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:56:36,576 INFO L85 PathProgramCache]: Analyzing trace with hash -1604433703, now seen corresponding path program 1 times [2023-11-29 03:56:36,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:56:36,577 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1400897852] [2023-11-29 03:56:36,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:56:36,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:56:36,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:56:36,702 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:56:36,703 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:56:36,703 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1400897852] [2023-11-29 03:56:36,703 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1400897852] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:56:36,703 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:56:36,703 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 03:56:36,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [824885029] [2023-11-29 03:56:36,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:56:36,798 INFO L210 LassoAnalysis]: Preferences: [2023-11-29 03:56:36,798 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-29 03:56:36,798 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-29 03:56:36,798 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-29 03:56:36,798 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-29 03:56:36,798 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:56:36,798 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-29 03:56:36,798 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-29 03:56:36,799 INFO L133 ssoRankerPreferences]: Filename of dumped script: heapsort.i_Iteration2_Loop [2023-11-29 03:56:36,799 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-29 03:56:36,799 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-29 03:56:36,800 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:56:36,802 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:56:36,816 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:56:36,819 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:56:36,867 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-29 03:56:36,868 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-29 03:56:36,868 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:56:36,868 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:56:36,869 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:56:36,876 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2023-11-29 03:56:36,877 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-29 03:56:36,877 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 03:56:36,892 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-29 03:56:36,893 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: [] [2023-11-29 03:56:36,897 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2023-11-29 03:56:36,897 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:56:36,897 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:56:36,898 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:56:36,901 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2023-11-29 03:56:36,902 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-29 03:56:36,902 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 03:56:36,922 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2023-11-29 03:56:36,922 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:56:36,922 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:56:36,923 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:56:36,926 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2023-11-29 03:56:36,927 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-29 03:56:36,927 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 03:56:37,204 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-11-29 03:56:37,208 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2023-11-29 03:56:37,209 INFO L210 LassoAnalysis]: Preferences: [2023-11-29 03:56:37,209 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-29 03:56:37,209 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-29 03:56:37,209 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-29 03:56:37,209 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-29 03:56:37,209 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:56:37,209 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-29 03:56:37,209 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-29 03:56:37,210 INFO L133 ssoRankerPreferences]: Filename of dumped script: heapsort.i_Iteration2_Loop [2023-11-29 03:56:37,210 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-29 03:56:37,210 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-29 03:56:37,211 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:56:37,224 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:56:37,226 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:56:37,229 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:56:37,272 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-29 03:56:37,272 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-29 03:56:37,273 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:56:37,273 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:56:37,274 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:56:37,280 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2023-11-29 03:56:37,281 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 [2023-11-29 03:56:37,293 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 03:56:37,294 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 03:56:37,294 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 03:56:37,294 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 03:56:37,294 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 03:56:37,296 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 03:56:37,296 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 03:56:37,301 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-29 03:56:37,306 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2023-11-29 03:56:37,306 INFO L444 ModelExtractionUtils]: 4 out of 7 variables were initially zero. Simplification set additionally 1 variables to zero. [2023-11-29 03:56:37,306 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:56:37,306 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:56:37,307 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:56:37,316 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2023-11-29 03:56:37,317 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-29 03:56:37,317 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-11-29 03:56:37,317 INFO L513 LassoAnalysis]: Proved termination. [2023-11-29 03:56:37,317 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 [] [2023-11-29 03:56:37,321 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2023-11-29 03:56:37,322 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-11-29 03:56:37,335 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:56:37,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:56:37,353 INFO L262 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 03:56:37,354 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:56:37,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:56:37,371 INFO L262 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 03:56:37,371 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:56:37,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:56:37,412 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 [2023-11-29 03:56:37,412 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) [2023-11-29 03:56:37,442 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. [2023-11-29 03:56:37,443 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 [2023-11-29 03:56:37,444 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) [2023-11-29 03:56:37,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 81 transitions. [2023-11-29 03:56:37,444 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 81 transitions. Stem has 4 letters. Loop has 7 letters. [2023-11-29 03:56:37,445 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 03:56:37,445 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 81 transitions. Stem has 11 letters. Loop has 7 letters. [2023-11-29 03:56:37,445 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 03:56:37,445 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 81 transitions. Stem has 4 letters. Loop has 14 letters. [2023-11-29 03:56:37,446 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 03:56:37,446 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 160 states and 185 transitions. [2023-11-29 03:56:37,448 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 87 [2023-11-29 03:56:37,449 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 160 states to 125 states and 145 transitions. [2023-11-29 03:56:37,449 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 93 [2023-11-29 03:56:37,450 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 94 [2023-11-29 03:56:37,450 INFO L73 IsDeterministic]: Start isDeterministic. Operand 125 states and 145 transitions. [2023-11-29 03:56:37,450 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-29 03:56:37,450 INFO L218 hiAutomatonCegarLoop]: Abstraction has 125 states and 145 transitions. [2023-11-29 03:56:37,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states and 145 transitions. [2023-11-29 03:56:37,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 67. [2023-11-29 03:56:37,455 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) [2023-11-29 03:56:37,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 78 transitions. [2023-11-29 03:56:37,456 INFO L240 hiAutomatonCegarLoop]: Abstraction has 67 states and 78 transitions. [2023-11-29 03:56:37,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:56:37,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 03:56:37,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-29 03:56:37,457 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) [2023-11-29 03:56:37,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:56:37,602 INFO L93 Difference]: Finished difference Result 207 states and 231 transitions. [2023-11-29 03:56:37,602 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 207 states and 231 transitions. [2023-11-29 03:56:37,604 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 128 [2023-11-29 03:56:37,607 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 207 states to 207 states and 231 transitions. [2023-11-29 03:56:37,607 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 155 [2023-11-29 03:56:37,607 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 155 [2023-11-29 03:56:37,607 INFO L73 IsDeterministic]: Start isDeterministic. Operand 207 states and 231 transitions. [2023-11-29 03:56:37,608 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-29 03:56:37,608 INFO L218 hiAutomatonCegarLoop]: Abstraction has 207 states and 231 transitions. [2023-11-29 03:56:37,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states and 231 transitions. [2023-11-29 03:56:37,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 69. [2023-11-29 03:56:37,613 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) [2023-11-29 03:56:37,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 80 transitions. [2023-11-29 03:56:37,614 INFO L240 hiAutomatonCegarLoop]: Abstraction has 69 states and 80 transitions. [2023-11-29 03:56:37,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 03:56:37,615 INFO L428 stractBuchiCegarLoop]: Abstraction has 69 states and 80 transitions. [2023-11-29 03:56:37,615 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-11-29 03:56:37,616 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 69 states and 80 transitions. [2023-11-29 03:56:37,616 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 31 [2023-11-29 03:56:37,616 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 03:56:37,616 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 03:56:37,617 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2023-11-29 03:56:37,617 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:56:37,617 INFO L748 eck$LassoCheckResult]: Stem: 1314#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(9, 2); 1267#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;main_#in~argc#1, main_#in~argv#1.base, main_#in~argv#1.offset := #in~argc#1, #in~argv#1.base, #in~argv#1.offset;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~post2#1, main_#t~post3#1, main_#t~nondet4#1, main_#t~nondet5#1, main_#t~post6#1, main_#t~post7#1, main_~argc#1, main_~n~0#1, main_~l~0#1, main_~r~0#1, main_~i~0#1, main_~j~0#1;main_~argc#1 := main_#in~argc#1;havoc main_~n~0#1;havoc main_~l~0#1;havoc main_~r~0#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_#t~nondet1#1;main_~n~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 1268#L27 assume !!(1 <= main_~n~0#1 && main_~n~0#1 <= 1000000);main_~l~0#1 := 1 + (if main_~n~0#1 < 0 && 0 != main_~n~0#1 % 2 then 1 + main_~n~0#1 / 2 else main_~n~0#1 / 2);main_~r~0#1 := main_~n~0#1; 1250#L30 assume !(main_~l~0#1 > 1);main_#t~post3#1 := main_~r~0#1;main_~r~0#1 := main_#t~post3#1 - 1;havoc main_#t~post3#1; 1252#L59-1 [2023-11-29 03:56:37,617 INFO L750 eck$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 [2023-11-29 03:56:37,618 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:56:37,618 INFO L85 PathProgramCache]: Analyzing trace with hash 925672, now seen corresponding path program 2 times [2023-11-29 03:56:37,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:56:37,618 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [652028656] [2023-11-29 03:56:37,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:56:37,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:56:37,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 03:56:37,626 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 03:56:37,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 03:56:37,634 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 03:56:37,634 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:56:37,635 INFO L85 PathProgramCache]: Analyzing trace with hash -44278910, now seen corresponding path program 1 times [2023-11-29 03:56:37,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:56:37,635 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [280611584] [2023-11-29 03:56:37,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:56:37,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:56:37,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:56:37,668 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:56:37,669 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:56:37,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [280611584] [2023-11-29 03:56:37,669 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [280611584] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:56:37,669 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:56:37,669 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 03:56:37,669 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [647484291] [2023-11-29 03:56:37,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:56:37,670 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-29 03:56:37,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:56:37,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 03:56:37,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 03:56:37,671 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) [2023-11-29 03:56:37,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:56:37,741 INFO L93 Difference]: Finished difference Result 129 states and 146 transitions. [2023-11-29 03:56:37,741 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 129 states and 146 transitions. [2023-11-29 03:56:37,742 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 61 [2023-11-29 03:56:37,743 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 129 states to 128 states and 145 transitions. [2023-11-29 03:56:37,744 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 67 [2023-11-29 03:56:37,744 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 67 [2023-11-29 03:56:37,744 INFO L73 IsDeterministic]: Start isDeterministic. Operand 128 states and 145 transitions. [2023-11-29 03:56:37,744 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-29 03:56:37,744 INFO L218 hiAutomatonCegarLoop]: Abstraction has 128 states and 145 transitions. [2023-11-29 03:56:37,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states and 145 transitions. [2023-11-29 03:56:37,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 69. [2023-11-29 03:56:37,748 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) [2023-11-29 03:56:37,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 80 transitions. [2023-11-29 03:56:37,749 INFO L240 hiAutomatonCegarLoop]: Abstraction has 69 states and 80 transitions. [2023-11-29 03:56:37,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 03:56:37,750 INFO L428 stractBuchiCegarLoop]: Abstraction has 69 states and 80 transitions. [2023-11-29 03:56:37,750 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2023-11-29 03:56:37,750 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 69 states and 80 transitions. [2023-11-29 03:56:37,751 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 32 [2023-11-29 03:56:37,751 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 03:56:37,751 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 03:56:37,752 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2023-11-29 03:56:37,752 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:56:37,752 INFO L748 eck$LassoCheckResult]: Stem: 1521#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(9, 2); 1474#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;main_#in~argc#1, main_#in~argv#1.base, main_#in~argv#1.offset := #in~argc#1, #in~argv#1.base, #in~argv#1.offset;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~post2#1, main_#t~post3#1, main_#t~nondet4#1, main_#t~nondet5#1, main_#t~post6#1, main_#t~post7#1, main_~argc#1, main_~n~0#1, main_~l~0#1, main_~r~0#1, main_~i~0#1, main_~j~0#1;main_~argc#1 := main_#in~argc#1;havoc main_~n~0#1;havoc main_~l~0#1;havoc main_~r~0#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_#t~nondet1#1;main_~n~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 1475#L27 assume !!(1 <= main_~n~0#1 && main_~n~0#1 <= 1000000);main_~l~0#1 := 1 + (if main_~n~0#1 < 0 && 0 != main_~n~0#1 % 2 then 1 + main_~n~0#1 / 2 else main_~n~0#1 / 2);main_~r~0#1 := main_~n~0#1; 1457#L30 assume !(main_~l~0#1 > 1);main_#t~post3#1 := main_~r~0#1;main_~r~0#1 := main_#t~post3#1 - 1;havoc main_#t~post3#1; 1459#L59-1 [2023-11-29 03:56:37,752 INFO L750 eck$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 [2023-11-29 03:56:37,753 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:56:37,753 INFO L85 PathProgramCache]: Analyzing trace with hash 925672, now seen corresponding path program 3 times [2023-11-29 03:56:37,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:56:37,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1761488600] [2023-11-29 03:56:37,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:56:37,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:56:37,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 03:56:37,760 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 03:56:37,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 03:56:37,767 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 03:56:37,767 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:56:37,767 INFO L85 PathProgramCache]: Analyzing trace with hash -1259032696, now seen corresponding path program 1 times [2023-11-29 03:56:37,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:56:37,768 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [398766635] [2023-11-29 03:56:37,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:56:37,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:56:37,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 03:56:37,778 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 03:56:37,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 03:56:37,789 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 03:56:37,790 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:56:37,790 INFO L85 PathProgramCache]: Analyzing trace with hash 727543599, now seen corresponding path program 1 times [2023-11-29 03:56:37,790 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:56:37,790 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1756460724] [2023-11-29 03:56:37,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:56:37,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:56:37,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:56:37,879 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2023-11-29 03:56:37,891 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:56:37,892 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:56:37,892 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1756460724] [2023-11-29 03:56:37,892 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1756460724] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:56:37,892 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:56:37,892 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 03:56:37,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [236749004] [2023-11-29 03:56:37,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:56:38,046 INFO L210 LassoAnalysis]: Preferences: [2023-11-29 03:56:38,046 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-29 03:56:38,046 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-29 03:56:38,046 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-29 03:56:38,046 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-29 03:56:38,046 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:56:38,046 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-29 03:56:38,046 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-29 03:56:38,046 INFO L133 ssoRankerPreferences]: Filename of dumped script: heapsort.i_Iteration4_Loop [2023-11-29 03:56:38,047 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-29 03:56:38,047 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-29 03:56:38,048 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:56:38,050 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:56:38,052 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:56:38,054 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:56:38,074 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:56:38,132 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-29 03:56:38,132 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-29 03:56:38,132 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:56:38,133 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:56:38,134 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:56:38,136 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2023-11-29 03:56:38,137 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-29 03:56:38,137 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 03:56:38,150 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-29 03:56:38,150 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: [] [2023-11-29 03:56:38,153 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2023-11-29 03:56:38,153 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:56:38,153 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:56:38,154 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:56:38,157 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2023-11-29 03:56:38,157 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-29 03:56:38,157 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 03:56:38,169 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-29 03:56:38,169 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: [] [2023-11-29 03:56:38,172 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2023-11-29 03:56:38,172 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:56:38,172 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:56:38,173 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:56:38,176 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2023-11-29 03:56:38,177 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-29 03:56:38,177 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 03:56:38,188 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-29 03:56:38,188 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: [] [2023-11-29 03:56:38,191 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2023-11-29 03:56:38,191 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:56:38,191 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:56:38,192 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:56:38,194 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2023-11-29 03:56:38,195 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-29 03:56:38,195 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 03:56:38,211 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2023-11-29 03:56:38,212 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:56:38,213 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:56:38,213 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:56:38,214 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2023-11-29 03:56:38,217 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-29 03:56:38,217 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 03:56:38,254 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-11-29 03:56:38,258 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2023-11-29 03:56:38,259 INFO L210 LassoAnalysis]: Preferences: [2023-11-29 03:56:38,259 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-29 03:56:38,259 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-29 03:56:38,259 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-29 03:56:38,259 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-29 03:56:38,259 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:56:38,259 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-29 03:56:38,259 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-29 03:56:38,259 INFO L133 ssoRankerPreferences]: Filename of dumped script: heapsort.i_Iteration4_Loop [2023-11-29 03:56:38,259 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-29 03:56:38,259 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-29 03:56:38,261 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:56:38,263 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:56:38,266 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:56:38,268 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:56:38,284 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:56:38,334 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-29 03:56:38,334 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-29 03:56:38,334 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:56:38,334 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:56:38,335 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:56:38,336 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2023-11-29 03:56:38,337 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 [2023-11-29 03:56:38,348 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 03:56:38,348 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 03:56:38,348 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 03:56:38,348 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 03:56:38,348 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 03:56:38,348 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 03:56:38,348 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 03:56:38,350 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 03:56:38,352 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2023-11-29 03:56:38,353 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:56:38,353 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:56:38,354 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:56:38,355 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2023-11-29 03:56:38,356 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 03:56:38,366 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 03:56:38,366 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 03:56:38,367 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 03:56:38,367 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 03:56:38,367 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 03:56:38,367 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 03:56:38,367 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 03:56:38,368 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 03:56:38,371 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2023-11-29 03:56:38,372 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:56:38,372 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:56:38,373 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:56:38,375 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2023-11-29 03:56:38,376 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 [2023-11-29 03:56:38,386 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 03:56:38,386 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 03:56:38,386 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 03:56:38,386 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 03:56:38,386 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 03:56:38,387 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 03:56:38,387 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 03:56:38,388 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 03:56:38,392 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2023-11-29 03:56:38,392 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:56:38,392 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:56:38,393 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:56:38,394 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2023-11-29 03:56:38,396 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 [2023-11-29 03:56:38,409 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 03:56:38,409 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 03:56:38,409 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 03:56:38,409 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 03:56:38,409 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 03:56:38,412 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 03:56:38,412 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 03:56:38,416 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-29 03:56:38,423 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2023-11-29 03:56:38,423 INFO L444 ModelExtractionUtils]: 3 out of 7 variables were initially zero. Simplification set additionally 2 variables to zero. [2023-11-29 03:56:38,423 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:56:38,423 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:56:38,424 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:56:38,432 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2023-11-29 03:56:38,433 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-29 03:56:38,433 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-11-29 03:56:38,433 INFO L513 LassoAnalysis]: Proved termination. [2023-11-29 03:56:38,434 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 [] [2023-11-29 03:56:38,437 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Ended with exit code 0 [2023-11-29 03:56:38,439 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-11-29 03:56:38,451 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:56:38,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:56:38,461 INFO L262 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 03:56:38,462 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:56:38,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:56:38,479 INFO L262 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 03:56:38,480 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:56:38,552 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:56:38,553 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 [2023-11-29 03:56:38,553 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) [2023-11-29 03:56:38,582 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. [2023-11-29 03:56:38,582 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 [2023-11-29 03:56:38,583 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) [2023-11-29 03:56:38,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 80 transitions. [2023-11-29 03:56:38,584 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 80 transitions. Stem has 4 letters. Loop has 14 letters. [2023-11-29 03:56:38,584 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 03:56:38,584 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 80 transitions. Stem has 18 letters. Loop has 14 letters. [2023-11-29 03:56:38,584 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 03:56:38,585 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 80 transitions. Stem has 4 letters. Loop has 28 letters. [2023-11-29 03:56:38,585 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 03:56:38,585 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 133 states and 153 transitions. [2023-11-29 03:56:38,586 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 57 [2023-11-29 03:56:38,588 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 133 states to 128 states and 147 transitions. [2023-11-29 03:56:38,588 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 63 [2023-11-29 03:56:38,588 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 64 [2023-11-29 03:56:38,588 INFO L73 IsDeterministic]: Start isDeterministic. Operand 128 states and 147 transitions. [2023-11-29 03:56:38,588 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-29 03:56:38,588 INFO L218 hiAutomatonCegarLoop]: Abstraction has 128 states and 147 transitions. [2023-11-29 03:56:38,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states and 147 transitions. [2023-11-29 03:56:38,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 127. [2023-11-29 03:56:38,593 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) [2023-11-29 03:56:38,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 146 transitions. [2023-11-29 03:56:38,594 INFO L240 hiAutomatonCegarLoop]: Abstraction has 127 states and 146 transitions. [2023-11-29 03:56:38,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:56:38,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 03:56:38,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 03:56:38,595 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) [2023-11-29 03:56:38,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:56:38,623 INFO L93 Difference]: Finished difference Result 70 states and 80 transitions. [2023-11-29 03:56:38,623 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 70 states and 80 transitions. [2023-11-29 03:56:38,624 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 32 [2023-11-29 03:56:38,625 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 70 states to 69 states and 79 transitions. [2023-11-29 03:56:38,625 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 37 [2023-11-29 03:56:38,625 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 37 [2023-11-29 03:56:38,625 INFO L73 IsDeterministic]: Start isDeterministic. Operand 69 states and 79 transitions. [2023-11-29 03:56:38,625 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-29 03:56:38,625 INFO L218 hiAutomatonCegarLoop]: Abstraction has 69 states and 79 transitions. [2023-11-29 03:56:38,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states and 79 transitions. [2023-11-29 03:56:38,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2023-11-29 03:56:38,628 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) [2023-11-29 03:56:38,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 79 transitions. [2023-11-29 03:56:38,628 INFO L240 hiAutomatonCegarLoop]: Abstraction has 69 states and 79 transitions. [2023-11-29 03:56:38,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 03:56:38,629 INFO L428 stractBuchiCegarLoop]: Abstraction has 69 states and 79 transitions. [2023-11-29 03:56:38,630 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2023-11-29 03:56:38,630 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 69 states and 79 transitions. [2023-11-29 03:56:38,630 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 32 [2023-11-29 03:56:38,630 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 03:56:38,630 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 03:56:38,631 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2023-11-29 03:56:38,631 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:56:38,631 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 [2023-11-29 03:56:38,631 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 [2023-11-29 03:56:38,632 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:56:38,632 INFO L85 PathProgramCache]: Analyzing trace with hash 28695791, now seen corresponding path program 1 times [2023-11-29 03:56:38,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:56:38,632 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2135887496] [2023-11-29 03:56:38,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:56:38,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:56:38,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 03:56:38,639 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 03:56:38,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 03:56:38,645 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 03:56:38,646 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:56:38,646 INFO L85 PathProgramCache]: Analyzing trace with hash 48961178, now seen corresponding path program 2 times [2023-11-29 03:56:38,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:56:38,646 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1424649450] [2023-11-29 03:56:38,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:56:38,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:56:38,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 03:56:38,654 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 03:56:38,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 03:56:38,661 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 03:56:38,661 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:56:38,661 INFO L85 PathProgramCache]: Analyzing trace with hash 2100083464, now seen corresponding path program 1 times [2023-11-29 03:56:38,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:56:38,662 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1585800834] [2023-11-29 03:56:38,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:56:38,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:56:38,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:56:38,726 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:56:38,726 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:56:38,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1585800834] [2023-11-29 03:56:38,727 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1585800834] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:56:38,727 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:56:38,727 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 03:56:38,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1373578118] [2023-11-29 03:56:38,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:56:38,868 INFO L210 LassoAnalysis]: Preferences: [2023-11-29 03:56:38,869 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-29 03:56:38,869 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-29 03:56:38,869 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-29 03:56:38,869 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-29 03:56:38,869 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:56:38,869 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-29 03:56:38,869 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-29 03:56:38,869 INFO L133 ssoRankerPreferences]: Filename of dumped script: heapsort.i_Iteration5_Loop [2023-11-29 03:56:38,869 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-29 03:56:38,869 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-29 03:56:38,870 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:56:38,872 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:56:38,875 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:56:38,878 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:56:38,880 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:56:38,919 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2023-11-29 03:56:38,967 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-29 03:56:38,967 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-29 03:56:38,967 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:56:38,967 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:56:38,969 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:56:38,971 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2023-11-29 03:56:38,972 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-29 03:56:38,972 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 03:56:38,984 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-29 03:56:38,984 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: [] [2023-11-29 03:56:38,988 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2023-11-29 03:56:38,988 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:56:38,989 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:56:38,989 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:56:38,990 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2023-11-29 03:56:38,992 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-29 03:56:38,992 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 03:56:39,006 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-29 03:56:39,006 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: [] [2023-11-29 03:56:39,009 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2023-11-29 03:56:39,010 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:56:39,010 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:56:39,011 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:56:39,016 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2023-11-29 03:56:39,016 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-29 03:56:39,016 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 03:56:39,031 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-29 03:56:39,031 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: [] [2023-11-29 03:56:39,033 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2023-11-29 03:56:39,034 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:56:39,034 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:56:39,035 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:56:39,036 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2023-11-29 03:56:39,037 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-29 03:56:39,037 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 03:56:39,049 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-29 03:56:39,050 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: [] [2023-11-29 03:56:39,052 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2023-11-29 03:56:39,052 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:56:39,053 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:56:39,053 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:56:39,054 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2023-11-29 03:56:39,056 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-29 03:56:39,056 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 03:56:39,072 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2023-11-29 03:56:39,073 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:56:39,073 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:56:39,074 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:56:39,075 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2023-11-29 03:56:39,076 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-29 03:56:39,076 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 03:56:39,386 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-11-29 03:56:39,390 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2023-11-29 03:56:39,390 INFO L210 LassoAnalysis]: Preferences: [2023-11-29 03:56:39,390 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-29 03:56:39,390 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-29 03:56:39,391 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-29 03:56:39,391 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-29 03:56:39,391 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:56:39,391 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-29 03:56:39,391 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-29 03:56:39,391 INFO L133 ssoRankerPreferences]: Filename of dumped script: heapsort.i_Iteration5_Loop [2023-11-29 03:56:39,391 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-29 03:56:39,391 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-29 03:56:39,393 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:56:39,395 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:56:39,397 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:56:39,400 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:56:39,403 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:56:39,473 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-29 03:56:39,473 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-29 03:56:39,473 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:56:39,473 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:56:39,474 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:56:39,476 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2023-11-29 03:56:39,478 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 [2023-11-29 03:56:39,488 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 03:56:39,488 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 03:56:39,489 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 03:56:39,489 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 03:56:39,489 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 03:56:39,490 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 03:56:39,490 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 03:56:39,491 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 03:56:39,494 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2023-11-29 03:56:39,494 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:56:39,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:56:39,495 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:56:39,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2023-11-29 03:56:39,497 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 [2023-11-29 03:56:39,508 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 03:56:39,508 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 03:56:39,508 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 03:56:39,508 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 03:56:39,509 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 03:56:39,509 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 03:56:39,509 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 03:56:39,511 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 03:56:39,514 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2023-11-29 03:56:39,514 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:56:39,514 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:56:39,515 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:56:39,518 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 [2023-11-29 03:56:39,523 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2023-11-29 03:56:39,529 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 03:56:39,529 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 03:56:39,529 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 03:56:39,529 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 03:56:39,529 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 03:56:39,530 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 03:56:39,530 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 03:56:39,532 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 03:56:39,534 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2023-11-29 03:56:39,534 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:56:39,535 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:56:39,535 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:56:39,537 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2023-11-29 03:56:39,538 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 [2023-11-29 03:56:39,549 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 03:56:39,549 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 03:56:39,550 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 03:56:39,550 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 03:56:39,550 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 03:56:39,550 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 03:56:39,550 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 03:56:39,552 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 03:56:39,555 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2023-11-29 03:56:39,555 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:56:39,555 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:56:39,556 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:56:39,558 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2023-11-29 03:56:39,559 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 [2023-11-29 03:56:39,570 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 03:56:39,570 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 03:56:39,570 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 03:56:39,570 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 03:56:39,570 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 03:56:39,572 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 03:56:39,573 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 03:56:39,577 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-29 03:56:39,581 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2023-11-29 03:56:39,581 INFO L444 ModelExtractionUtils]: 4 out of 7 variables were initially zero. Simplification set additionally 1 variables to zero. [2023-11-29 03:56:39,582 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:56:39,582 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:56:39,583 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:56:39,588 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2023-11-29 03:56:39,588 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-29 03:56:39,588 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-11-29 03:56:39,588 INFO L513 LassoAnalysis]: Proved termination. [2023-11-29 03:56:39,589 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 [] [2023-11-29 03:56:39,591 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2023-11-29 03:56:39,592 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-11-29 03:56:39,604 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:56:39,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:56:39,615 INFO L262 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 03:56:39,616 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:56:39,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:56:39,633 INFO L262 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 03:56:39,634 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:56:39,663 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:56:39,664 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 [2023-11-29 03:56:39,664 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 69 states and 79 transitions. cyclomatic complexity: 12 Second operand has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 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) [2023-11-29 03:56:39,702 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 69 states and 79 transitions. cyclomatic complexity: 12. Second operand has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 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 137 states and 159 transitions. Complement of second has 6 states. [2023-11-29 03:56:39,703 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 [2023-11-29 03:56:39,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 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) [2023-11-29 03:56:39,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 47 transitions. [2023-11-29 03:56:39,704 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 47 transitions. Stem has 5 letters. Loop has 14 letters. [2023-11-29 03:56:39,704 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 03:56:39,705 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 47 transitions. Stem has 19 letters. Loop has 14 letters. [2023-11-29 03:56:39,705 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 03:56:39,705 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 47 transitions. Stem has 5 letters. Loop has 28 letters. [2023-11-29 03:56:39,706 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 03:56:39,706 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 137 states and 159 transitions. [2023-11-29 03:56:39,707 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 25 [2023-11-29 03:56:39,708 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 137 states to 131 states and 152 transitions. [2023-11-29 03:56:39,709 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 33 [2023-11-29 03:56:39,709 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 34 [2023-11-29 03:56:39,709 INFO L73 IsDeterministic]: Start isDeterministic. Operand 131 states and 152 transitions. [2023-11-29 03:56:39,709 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-29 03:56:39,709 INFO L218 hiAutomatonCegarLoop]: Abstraction has 131 states and 152 transitions. [2023-11-29 03:56:39,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states and 152 transitions. [2023-11-29 03:56:39,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 129. [2023-11-29 03:56:39,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129 states, 129 states have (on average 1.1550387596899225) internal successors, (149), 128 states have internal predecessors, (149), 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) [2023-11-29 03:56:39,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 149 transitions. [2023-11-29 03:56:39,714 INFO L240 hiAutomatonCegarLoop]: Abstraction has 129 states and 149 transitions. [2023-11-29 03:56:39,715 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:56:39,715 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 03:56:39,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-29 03:56:39,715 INFO L87 Difference]: Start difference. First operand 129 states and 149 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) [2023-11-29 03:56:39,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:56:39,868 INFO L93 Difference]: Finished difference Result 430 states and 476 transitions. [2023-11-29 03:56:39,868 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 430 states and 476 transitions. [2023-11-29 03:56:39,871 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 64 [2023-11-29 03:56:39,874 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 430 states to 379 states and 421 transitions. [2023-11-29 03:56:39,874 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 96 [2023-11-29 03:56:39,875 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 96 [2023-11-29 03:56:39,875 INFO L73 IsDeterministic]: Start isDeterministic. Operand 379 states and 421 transitions. [2023-11-29 03:56:39,875 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-29 03:56:39,875 INFO L218 hiAutomatonCegarLoop]: Abstraction has 379 states and 421 transitions. [2023-11-29 03:56:39,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states and 421 transitions. [2023-11-29 03:56:39,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 130. [2023-11-29 03:56:39,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 130 states have (on average 1.1538461538461537) internal successors, (150), 129 states have internal predecessors, (150), 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) [2023-11-29 03:56:39,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 150 transitions. [2023-11-29 03:56:39,880 INFO L240 hiAutomatonCegarLoop]: Abstraction has 130 states and 150 transitions. [2023-11-29 03:56:39,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-29 03:56:39,881 INFO L428 stractBuchiCegarLoop]: Abstraction has 130 states and 150 transitions. [2023-11-29 03:56:39,881 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2023-11-29 03:56:39,882 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 130 states and 150 transitions. [2023-11-29 03:56:39,882 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 25 [2023-11-29 03:56:39,883 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 03:56:39,883 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 03:56:39,883 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2023-11-29 03:56:39,883 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:56:39,883 INFO L748 eck$LassoCheckResult]: Stem: 2860#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(9, 2); 2806#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;main_#in~argc#1, main_#in~argv#1.base, main_#in~argv#1.offset := #in~argc#1, #in~argv#1.base, #in~argv#1.offset;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~post2#1, main_#t~post3#1, main_#t~nondet4#1, main_#t~nondet5#1, main_#t~post6#1, main_#t~post7#1, main_~argc#1, main_~n~0#1, main_~l~0#1, main_~r~0#1, main_~i~0#1, main_~j~0#1;main_~argc#1 := main_#in~argc#1;havoc main_~n~0#1;havoc main_~l~0#1;havoc main_~r~0#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_#t~nondet1#1;main_~n~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 2807#L27 assume !!(1 <= main_~n~0#1 && main_~n~0#1 <= 1000000);main_~l~0#1 := 1 + (if main_~n~0#1 < 0 && 0 != main_~n~0#1 % 2 then 1 + main_~n~0#1 / 2 else main_~n~0#1 / 2);main_~r~0#1 := main_~n~0#1; 2791#L30 assume main_~l~0#1 > 1;main_#t~post2#1 := main_~l~0#1;main_~l~0#1 := main_#t~post2#1 - 1;havoc main_#t~post2#1; 2792#L59-1 assume !!(main_~r~0#1 > 1);main_~i~0#1 := main_~l~0#1;main_~j~0#1 := 2 * main_~l~0#1; 2829#L38-2 assume !!(main_~j~0#1 <= main_~r~0#1); 2842#L39 [2023-11-29 03:56:39,884 INFO L750 eck$LassoCheckResult]: Loop: 2842#L39 assume !(main_~j~0#1 < main_~r~0#1); 2798#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; 2808#L18-12 assume !(0 == __VERIFIER_assert_~cond#1); 2809#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; 2846#L18-15 assume !(0 == __VERIFIER_assert_~cond#1); 2847#L18-17 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;havoc main_#t~nondet5#1; 2832#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; 2820#L18-18 assume !(0 == __VERIFIER_assert_~cond#1); 2821#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; 2834#L18-21 assume !(0 == __VERIFIER_assert_~cond#1); 2835#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; 2838#L18-24 assume !(0 == __VERIFIER_assert_~cond#1); 2839#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; 2862#L18-27 assume !(0 == __VERIFIER_assert_~cond#1); 2851#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; 2831#L38-2 assume !!(main_~j~0#1 <= main_~r~0#1); 2842#L39 [2023-11-29 03:56:39,884 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:56:39,884 INFO L85 PathProgramCache]: Analyzing trace with hash 889569551, now seen corresponding path program 1 times [2023-11-29 03:56:39,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:56:39,884 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1621677622] [2023-11-29 03:56:39,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:56:39,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:56:39,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 03:56:39,891 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 03:56:39,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 03:56:39,897 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 03:56:39,897 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:56:39,897 INFO L85 PathProgramCache]: Analyzing trace with hash 93725893, now seen corresponding path program 1 times [2023-11-29 03:56:39,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:56:39,898 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1159573576] [2023-11-29 03:56:39,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:56:39,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:56:39,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:56:39,981 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:56:39,981 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:56:39,981 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1159573576] [2023-11-29 03:56:39,981 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1159573576] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:56:39,981 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:56:39,981 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 03:56:39,982 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1523907852] [2023-11-29 03:56:39,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:56:39,982 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-29 03:56:39,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:56:39,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 03:56:39,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-29 03:56:39,983 INFO L87 Difference]: Start difference. First operand 130 states and 150 transitions. cyclomatic complexity: 24 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) [2023-11-29 03:56:40,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:56:40,128 INFO L93 Difference]: Finished difference Result 225 states and 251 transitions. [2023-11-29 03:56:40,128 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 225 states and 251 transitions. [2023-11-29 03:56:40,130 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 25 [2023-11-29 03:56:40,132 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 225 states to 210 states and 236 transitions. [2023-11-29 03:56:40,132 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 32 [2023-11-29 03:56:40,132 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 32 [2023-11-29 03:56:40,132 INFO L73 IsDeterministic]: Start isDeterministic. Operand 210 states and 236 transitions. [2023-11-29 03:56:40,133 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-29 03:56:40,133 INFO L218 hiAutomatonCegarLoop]: Abstraction has 210 states and 236 transitions. [2023-11-29 03:56:40,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states and 236 transitions. [2023-11-29 03:56:40,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 175. [2023-11-29 03:56:40,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175 states, 175 states have (on average 1.1257142857142857) internal successors, (197), 174 states have internal predecessors, (197), 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) [2023-11-29 03:56:40,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 197 transitions. [2023-11-29 03:56:40,138 INFO L240 hiAutomatonCegarLoop]: Abstraction has 175 states and 197 transitions. [2023-11-29 03:56:40,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-29 03:56:40,139 INFO L428 stractBuchiCegarLoop]: Abstraction has 175 states and 197 transitions. [2023-11-29 03:56:40,139 INFO L335 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2023-11-29 03:56:40,139 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 175 states and 197 transitions. [2023-11-29 03:56:40,140 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 25 [2023-11-29 03:56:40,140 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 03:56:40,140 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 03:56:40,141 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2023-11-29 03:56:40,141 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] [2023-11-29 03:56:40,141 INFO L748 eck$LassoCheckResult]: Stem: 3234#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(9, 2); 3178#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;main_#in~argc#1, main_#in~argv#1.base, main_#in~argv#1.offset := #in~argc#1, #in~argv#1.base, #in~argv#1.offset;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~post2#1, main_#t~post3#1, main_#t~nondet4#1, main_#t~nondet5#1, main_#t~post6#1, main_#t~post7#1, main_~argc#1, main_~n~0#1, main_~l~0#1, main_~r~0#1, main_~i~0#1, main_~j~0#1;main_~argc#1 := main_#in~argc#1;havoc main_~n~0#1;havoc main_~l~0#1;havoc main_~r~0#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_#t~nondet1#1;main_~n~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 3179#L27 assume !!(1 <= main_~n~0#1 && main_~n~0#1 <= 1000000);main_~l~0#1 := 1 + (if main_~n~0#1 < 0 && 0 != main_~n~0#1 % 2 then 1 + main_~n~0#1 / 2 else main_~n~0#1 / 2);main_~r~0#1 := main_~n~0#1; 3163#L30 assume main_~l~0#1 > 1;main_#t~post2#1 := main_~l~0#1;main_~l~0#1 := main_#t~post2#1 - 1;havoc main_#t~post2#1; 3164#L59-1 assume !!(main_~r~0#1 > 1);main_~i~0#1 := main_~l~0#1;main_~j~0#1 := 2 * main_~l~0#1; 3196#L38-2 assume !!(main_~j~0#1 <= main_~r~0#1); 3214#L39 [2023-11-29 03:56:40,142 INFO L750 eck$LassoCheckResult]: Loop: 3214#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; 3215#L18 assume !(0 == __VERIFIER_assert_~cond#1); 3199#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; 3200#L18-3 assume !(0 == __VERIFIER_assert_~cond#1); 3167#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; 3168#L18-6 assume !(0 == __VERIFIER_assert_~cond#1); 3184#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; 3185#L18-9 assume !(0 == __VERIFIER_assert_~cond#1); 3230#L18-11 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;havoc main_#t~nondet4#1; 3171#L44 assume 0 != main_#t~nondet4#1;havoc main_#t~nondet4#1;main_~j~0#1 := 1 + main_~j~0#1; 3172#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; 3180#L18-12 assume !(0 == __VERIFIER_assert_~cond#1); 3181#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; 3219#L18-15 assume !(0 == __VERIFIER_assert_~cond#1); 3220#L18-17 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;havoc main_#t~nondet5#1; 3203#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; 3191#L18-18 assume !(0 == __VERIFIER_assert_~cond#1); 3192#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; 3206#L18-21 assume !(0 == __VERIFIER_assert_~cond#1); 3207#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; 3210#L18-24 assume !(0 == __VERIFIER_assert_~cond#1); 3211#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; 3236#L18-27 assume !(0 == __VERIFIER_assert_~cond#1); 3227#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; 3198#L38-2 assume !!(main_~j~0#1 <= main_~r~0#1); 3214#L39 [2023-11-29 03:56:40,142 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:56:40,142 INFO L85 PathProgramCache]: Analyzing trace with hash 889569551, now seen corresponding path program 2 times [2023-11-29 03:56:40,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:56:40,143 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1570352673] [2023-11-29 03:56:40,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:56:40,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:56:40,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 03:56:40,149 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 03:56:40,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 03:56:40,154 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 03:56:40,155 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:56:40,155 INFO L85 PathProgramCache]: Analyzing trace with hash -510635659, now seen corresponding path program 1 times [2023-11-29 03:56:40,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:56:40,155 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [371583032] [2023-11-29 03:56:40,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:56:40,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:56:40,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 03:56:40,171 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 03:56:40,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 03:56:40,184 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 03:56:40,185 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:56:40,185 INFO L85 PathProgramCache]: Analyzing trace with hash -575128537, now seen corresponding path program 1 times [2023-11-29 03:56:40,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:56:40,185 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1661114666] [2023-11-29 03:56:40,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:56:40,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:56:40,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:56:40,301 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:56:40,301 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:56:40,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1661114666] [2023-11-29 03:56:40,301 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1661114666] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:56:40,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [703400010] [2023-11-29 03:56:40,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:56:40,302 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:56:40,302 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:56:40,303 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:56:40,305 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2023-11-29 03:56:40,355 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2023-11-29 03:56:40,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:56:40,371 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-29 03:56:40,373 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:56:40,594 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:56:40,594 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:56:40,595 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [703400010] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:56:40,595 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 03:56:40,595 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 11 [2023-11-29 03:56:40,595 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1015546670] [2023-11-29 03:56:40,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:56:40,864 INFO L210 LassoAnalysis]: Preferences: [2023-11-29 03:56:40,864 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-29 03:56:40,864 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-29 03:56:40,864 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-29 03:56:40,864 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-29 03:56:40,864 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:56:40,864 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-29 03:56:40,864 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-29 03:56:40,864 INFO L133 ssoRankerPreferences]: Filename of dumped script: heapsort.i_Iteration7_Loop [2023-11-29 03:56:40,865 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-29 03:56:40,865 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-29 03:56:40,866 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:56:40,868 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:56:40,870 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:56:40,884 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:56:40,887 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:56:40,933 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-29 03:56:40,933 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-29 03:56:40,934 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:56:40,934 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:56:40,935 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:56:40,936 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2023-11-29 03:56:40,938 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-29 03:56:40,938 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 03:56:40,950 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-29 03:56:40,950 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: [] [2023-11-29 03:56:40,953 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2023-11-29 03:56:40,953 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:56:40,953 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:56:40,954 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:56:40,955 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2023-11-29 03:56:40,957 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-29 03:56:40,957 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 03:56:40,969 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-29 03:56:40,969 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: [] [2023-11-29 03:56:40,972 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2023-11-29 03:56:40,973 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:56:40,973 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:56:40,974 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:56:40,974 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2023-11-29 03:56:40,976 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-29 03:56:40,976 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 03:56:40,998 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2023-11-29 03:56:40,999 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:56:40,999 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:56:40,999 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:56:41,001 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2023-11-29 03:56:41,002 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-29 03:56:41,002 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 03:56:41,098 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-11-29 03:56:41,101 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2023-11-29 03:56:41,101 INFO L210 LassoAnalysis]: Preferences: [2023-11-29 03:56:41,101 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-29 03:56:41,101 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-29 03:56:41,101 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-29 03:56:41,102 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-29 03:56:41,102 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:56:41,102 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-29 03:56:41,102 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-29 03:56:41,102 INFO L133 ssoRankerPreferences]: Filename of dumped script: heapsort.i_Iteration7_Loop [2023-11-29 03:56:41,102 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-29 03:56:41,102 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-29 03:56:41,103 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:56:41,105 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:56:41,116 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:56:41,118 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:56:41,120 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:56:41,154 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-29 03:56:41,154 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-29 03:56:41,154 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:56:41,154 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:56:41,155 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:56:41,156 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2023-11-29 03:56:41,157 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 [2023-11-29 03:56:41,167 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 03:56:41,167 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 03:56:41,167 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 03:56:41,167 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 03:56:41,167 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 03:56:41,167 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 03:56:41,167 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 03:56:41,169 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 03:56:41,172 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2023-11-29 03:56:41,172 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:56:41,172 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:56:41,173 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:56:41,174 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2023-11-29 03:56:41,175 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 [2023-11-29 03:56:41,185 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 03:56:41,185 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 03:56:41,186 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 03:56:41,186 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 03:56:41,186 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 03:56:41,187 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 03:56:41,187 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 03:56:41,191 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-29 03:56:41,195 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2023-11-29 03:56:41,195 INFO L444 ModelExtractionUtils]: 2 out of 6 variables were initially zero. Simplification set additionally 1 variables to zero. [2023-11-29 03:56:41,195 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:56:41,195 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:56:41,196 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:56:41,197 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2023-11-29 03:56:41,198 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-29 03:56:41,198 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-11-29 03:56:41,198 INFO L513 LassoAnalysis]: Proved termination. [2023-11-29 03:56:41,198 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~r~0#1, ULTIMATE.start_main_~j~0#1) = 5*ULTIMATE.start_main_~r~0#1 - 8*ULTIMATE.start_main_~j~0#1 Supporting invariants [] [2023-11-29 03:56:41,201 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2023-11-29 03:56:41,201 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-11-29 03:56:41,213 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:56:41,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:56:41,221 INFO L262 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 03:56:41,221 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:56:41,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:56:41,240 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-29 03:56:41,242 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:56:41,398 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2023-11-29 03:56:41,461 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:56:41,462 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 [2023-11-29 03:56:41,462 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 175 states and 197 transitions. cyclomatic complexity: 26 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) [2023-11-29 03:56:41,831 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 175 states and 197 transitions. cyclomatic complexity: 26. 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 707 states and 761 transitions. Complement of second has 19 states. [2023-11-29 03:56:41,832 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 [2023-11-29 03:56:41,832 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) [2023-11-29 03:56:41,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 103 transitions. [2023-11-29 03:56:41,833 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 103 transitions. Stem has 6 letters. Loop has 25 letters. [2023-11-29 03:56:41,833 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 03:56:41,833 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 103 transitions. Stem has 31 letters. Loop has 25 letters. [2023-11-29 03:56:41,834 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 03:56:41,834 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 103 transitions. Stem has 6 letters. Loop has 50 letters. [2023-11-29 03:56:41,834 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 03:56:41,834 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 707 states and 761 transitions. [2023-11-29 03:56:41,839 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 25 [2023-11-29 03:56:41,843 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 707 states to 525 states and 576 transitions. [2023-11-29 03:56:41,843 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 55 [2023-11-29 03:56:41,843 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 56 [2023-11-29 03:56:41,843 INFO L73 IsDeterministic]: Start isDeterministic. Operand 525 states and 576 transitions. [2023-11-29 03:56:41,844 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-29 03:56:41,844 INFO L218 hiAutomatonCegarLoop]: Abstraction has 525 states and 576 transitions. [2023-11-29 03:56:41,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 525 states and 576 transitions. [2023-11-29 03:56:41,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 525 to 313. [2023-11-29 03:56:41,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 313 states, 313 states have (on average 1.1086261980830672) internal successors, (347), 312 states have internal predecessors, (347), 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) [2023-11-29 03:56:41,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 347 transitions. [2023-11-29 03:56:41,852 INFO L240 hiAutomatonCegarLoop]: Abstraction has 313 states and 347 transitions. [2023-11-29 03:56:41,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:56:41,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 03:56:41,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2023-11-29 03:56:41,853 INFO L87 Difference]: Start difference. First operand 313 states and 347 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) [2023-11-29 03:56:42,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:56:42,019 INFO L93 Difference]: Finished difference Result 555 states and 601 transitions. [2023-11-29 03:56:42,019 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 555 states and 601 transitions. [2023-11-29 03:56:42,023 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 25 [2023-11-29 03:56:42,025 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 555 states to 322 states and 360 transitions. [2023-11-29 03:56:42,025 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 31 [2023-11-29 03:56:42,025 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 31 [2023-11-29 03:56:42,025 INFO L73 IsDeterministic]: Start isDeterministic. Operand 322 states and 360 transitions. [2023-11-29 03:56:42,026 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-29 03:56:42,026 INFO L218 hiAutomatonCegarLoop]: Abstraction has 322 states and 360 transitions. [2023-11-29 03:56:42,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 322 states and 360 transitions. [2023-11-29 03:56:42,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 322 to 226. [2023-11-29 03:56:42,031 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) [2023-11-29 03:56:42,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 254 transitions. [2023-11-29 03:56:42,032 INFO L240 hiAutomatonCegarLoop]: Abstraction has 226 states and 254 transitions. [2023-11-29 03:56:42,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-29 03:56:42,033 INFO L428 stractBuchiCegarLoop]: Abstraction has 226 states and 254 transitions. [2023-11-29 03:56:42,033 INFO L335 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2023-11-29 03:56:42,033 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 226 states and 254 transitions. [2023-11-29 03:56:42,035 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 25 [2023-11-29 03:56:42,035 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 03:56:42,035 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 03:56:42,036 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:56:42,036 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] [2023-11-29 03:56:42,036 INFO L748 eck$LassoCheckResult]: Stem: 5238#$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); 5174#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; 5175#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; 5159#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; 5160#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; 5195#L38-2 assume !!(main_~j~0#1 <= main_~r~0#1); 5313#L39 assume !(main_~j~0#1 < main_~r~0#1); 5312#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; 5376#L18-12 assume !(0 == __VERIFIER_assert_~cond#1); 5374#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; 5373#L18-15 assume !(0 == __VERIFIER_assert_~cond#1); 5372#L18-17 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;havoc main_#t~nondet5#1; 5200#L49 assume 0 != main_#t~nondet5#1;havoc main_#t~nondet5#1; 5165#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; 5166#L18-30 assume !(0 == __VERIFIER_assert_~cond#1); 5186#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; 5157#L18-33 assume !(0 == __VERIFIER_assert_~cond#1); 5158#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; 5184#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; 5226#L38-2 [2023-11-29 03:56:42,036 INFO L750 eck$LassoCheckResult]: Loop: 5226#L38-2 assume !!(main_~j~0#1 <= main_~r~0#1); 5204#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; 5205#L18 assume !(0 == __VERIFIER_assert_~cond#1); 5191#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; 5192#L18-3 assume !(0 == __VERIFIER_assert_~cond#1); 5161#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; 5162#L18-6 assume !(0 == __VERIFIER_assert_~cond#1); 5180#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; 5181#L18-9 assume !(0 == __VERIFIER_assert_~cond#1); 5229#L18-11 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;havoc main_#t~nondet4#1; 5167#L44 assume 0 != main_#t~nondet4#1;havoc main_#t~nondet4#1;main_~j~0#1 := 1 + main_~j~0#1; 5168#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; 5176#L18-12 assume !(0 == __VERIFIER_assert_~cond#1); 5177#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; 5216#L18-15 assume !(0 == __VERIFIER_assert_~cond#1); 5217#L18-17 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;havoc main_#t~nondet5#1; 5199#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; 5187#L18-18 assume !(0 == __VERIFIER_assert_~cond#1); 5188#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; 5208#L18-21 assume !(0 == __VERIFIER_assert_~cond#1); 5209#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; 5212#L18-24 assume !(0 == __VERIFIER_assert_~cond#1); 5213#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; 5239#L18-27 assume !(0 == __VERIFIER_assert_~cond#1); 5225#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; 5226#L38-2 [2023-11-29 03:56:42,037 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:56:42,037 INFO L85 PathProgramCache]: Analyzing trace with hash 1035079084, now seen corresponding path program 1 times [2023-11-29 03:56:42,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:56:42,037 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [9914195] [2023-11-29 03:56:42,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:56:42,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:56:42,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 03:56:42,045 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 03:56:42,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 03:56:42,054 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 03:56:42,055 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:56:42,055 INFO L85 PathProgramCache]: Analyzing trace with hash -94981115, now seen corresponding path program 2 times [2023-11-29 03:56:42,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:56:42,055 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1059501273] [2023-11-29 03:56:42,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:56:42,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:56:42,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 03:56:42,066 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 03:56:42,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 03:56:42,078 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 03:56:42,079 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:56:42,079 INFO L85 PathProgramCache]: Analyzing trace with hash 1850199226, now seen corresponding path program 1 times [2023-11-29 03:56:42,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:56:42,079 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1846041608] [2023-11-29 03:56:42,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:56:42,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:56:42,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 03:56:42,092 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 03:56:42,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 03:56:42,108 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 03:56:42,337 INFO L210 LassoAnalysis]: Preferences: [2023-11-29 03:56:42,337 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-29 03:56:42,337 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-29 03:56:42,337 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-29 03:56:42,337 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-29 03:56:42,337 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:56:42,337 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-29 03:56:42,337 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-29 03:56:42,338 INFO L133 ssoRankerPreferences]: Filename of dumped script: heapsort.i_Iteration8_Loop [2023-11-29 03:56:42,338 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-29 03:56:42,338 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-29 03:56:42,338 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:56:42,341 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:56:42,343 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:56:42,357 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:56:42,361 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:56:42,403 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-29 03:56:42,403 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-29 03:56:42,403 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:56:42,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:56:42,404 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:56:42,405 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2023-11-29 03:56:42,406 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-29 03:56:42,406 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 03:56:42,420 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-29 03:56:42,421 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: [] [2023-11-29 03:56:42,423 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2023-11-29 03:56:42,423 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:56:42,423 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:56:42,424 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:56:42,425 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2023-11-29 03:56:42,426 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-29 03:56:42,426 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 03:56:42,438 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-29 03:56:42,438 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: [] [2023-11-29 03:56:42,440 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2023-11-29 03:56:42,440 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:56:42,440 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:56:42,441 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:56:42,442 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2023-11-29 03:56:42,443 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-29 03:56:42,443 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 03:56:42,464 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2023-11-29 03:56:42,464 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:56:42,464 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:56:42,465 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:56:42,466 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2023-11-29 03:56:42,467 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-29 03:56:42,467 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 03:56:42,562 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-11-29 03:56:42,565 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2023-11-29 03:56:42,566 INFO L210 LassoAnalysis]: Preferences: [2023-11-29 03:56:42,566 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-29 03:56:42,566 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-29 03:56:42,566 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-29 03:56:42,566 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-29 03:56:42,566 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:56:42,566 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-29 03:56:42,566 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-29 03:56:42,566 INFO L133 ssoRankerPreferences]: Filename of dumped script: heapsort.i_Iteration8_Loop [2023-11-29 03:56:42,566 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-29 03:56:42,566 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-29 03:56:42,567 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:56:42,568 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:56:42,570 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:56:42,571 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:56:42,582 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:56:42,615 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-29 03:56:42,615 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-29 03:56:42,615 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:56:42,615 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:56:42,616 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:56:42,617 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2023-11-29 03:56:42,618 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 03:56:42,628 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 03:56:42,629 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 03:56:42,629 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 03:56:42,629 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 03:56:42,629 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 03:56:42,629 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 03:56:42,629 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 03:56:42,630 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 03:56:42,633 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2023-11-29 03:56:42,633 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:56:42,633 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:56:42,634 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:56:42,635 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2023-11-29 03:56:42,636 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 [2023-11-29 03:56:42,646 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 03:56:42,647 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 03:56:42,647 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 03:56:42,647 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 03:56:42,647 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 03:56:42,647 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 03:56:42,647 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 03:56:42,648 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 03:56:42,651 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Ended with exit code 0 [2023-11-29 03:56:42,651 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:56:42,652 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:56:42,652 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:56:42,653 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2023-11-29 03:56:42,654 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 [2023-11-29 03:56:42,665 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 03:56:42,665 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 03:56:42,665 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 03:56:42,665 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 03:56:42,665 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 03:56:42,666 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 03:56:42,666 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 03:56:42,667 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 03:56:42,670 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2023-11-29 03:56:42,670 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:56:42,670 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:56:42,671 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:56:42,672 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2023-11-29 03:56:42,673 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 [2023-11-29 03:56:42,684 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 03:56:42,684 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 03:56:42,685 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 03:56:42,685 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 03:56:42,685 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 03:56:42,686 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 03:56:42,686 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 03:56:42,690 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-29 03:56:42,694 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2023-11-29 03:56:42,695 INFO L444 ModelExtractionUtils]: 2 out of 6 variables were initially zero. Simplification set additionally 1 variables to zero. [2023-11-29 03:56:42,695 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:56:42,695 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:56:42,696 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:56:42,697 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2023-11-29 03:56:42,698 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-29 03:56:42,698 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-11-29 03:56:42,698 INFO L513 LassoAnalysis]: Proved termination. [2023-11-29 03:56:42,698 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~j~0#1, ULTIMATE.start_main_~r~0#1) = -2*ULTIMATE.start_main_~j~0#1 + 3*ULTIMATE.start_main_~r~0#1 Supporting invariants [] [2023-11-29 03:56:42,701 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2023-11-29 03:56:42,701 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-11-29 03:56:42,712 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:56:42,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:56:42,725 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 03:56:42,726 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:56:42,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:56:42,760 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-29 03:56:42,761 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:56:42,933 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:56:42,934 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 [2023-11-29 03:56:42,934 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) [2023-11-29 03:56:43,087 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 388 states and 424 transitions. Complement of second has 11 states. [2023-11-29 03:56:43,087 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 [2023-11-29 03:56:43,088 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) [2023-11-29 03:56:43,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 59 transitions. [2023-11-29 03:56:43,089 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 59 transitions. Stem has 19 letters. Loop has 25 letters. [2023-11-29 03:56:43,089 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 03:56:43,089 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-11-29 03:56:43,102 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:56:43,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:56:43,118 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 03:56:43,119 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:56:43,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:56:43,159 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-29 03:56:43,160 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:56:43,371 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:56:43,372 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 [2023-11-29 03:56:43,372 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) [2023-11-29 03:56:43,549 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Ended with exit code 0 [2023-11-29 03:56:43,643 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 460 states and 500 transitions. Complement of second has 15 states. [2023-11-29 03:56:43,644 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 [2023-11-29 03:56:43,644 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) [2023-11-29 03:56:43,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 77 transitions. [2023-11-29 03:56:43,645 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 77 transitions. Stem has 19 letters. Loop has 25 letters. [2023-11-29 03:56:43,645 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 03:56:43,645 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-11-29 03:56:43,654 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:56:43,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:56:43,668 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 03:56:43,669 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:56:43,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:56:43,703 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-29 03:56:43,704 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:56:43,875 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:56:43,876 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 [2023-11-29 03:56:43,876 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) [2023-11-29 03:56:44,059 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 766 states and 822 transitions. Complement of second has 10 states. [2023-11-29 03:56:44,059 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 [2023-11-29 03:56:44,060 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) [2023-11-29 03:56:44,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 109 transitions. [2023-11-29 03:56:44,060 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 109 transitions. Stem has 19 letters. Loop has 25 letters. [2023-11-29 03:56:44,060 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 03:56:44,061 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-11-29 03:56:44,072 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:56:44,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:56:44,086 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 03:56:44,087 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:56:44,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:56:44,118 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-29 03:56:44,119 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:56:44,289 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:56:44,289 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 [2023-11-29 03:56:44,290 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) [2023-11-29 03:56:44,455 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 908 states and 986 transitions. Complement of second has 14 states. [2023-11-29 03:56:44,455 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 [2023-11-29 03:56:44,456 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) [2023-11-29 03:56:44,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 132 transitions. [2023-11-29 03:56:44,456 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 132 transitions. Stem has 19 letters. Loop has 25 letters. [2023-11-29 03:56:44,456 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 03:56:44,456 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 132 transitions. Stem has 44 letters. Loop has 25 letters. [2023-11-29 03:56:44,457 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 03:56:44,457 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 132 transitions. Stem has 19 letters. Loop has 50 letters. [2023-11-29 03:56:44,457 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 03:56:44,457 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 908 states and 986 transitions. [2023-11-29 03:56:44,463 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 25 [2023-11-29 03:56:44,468 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 908 states to 630 states and 694 transitions. [2023-11-29 03:56:44,468 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 57 [2023-11-29 03:56:44,468 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 58 [2023-11-29 03:56:44,468 INFO L73 IsDeterministic]: Start isDeterministic. Operand 630 states and 694 transitions. [2023-11-29 03:56:44,469 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-29 03:56:44,469 INFO L218 hiAutomatonCegarLoop]: Abstraction has 630 states and 694 transitions. [2023-11-29 03:56:44,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 630 states and 694 transitions. [2023-11-29 03:56:44,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 630 to 418. [2023-11-29 03:56:44,479 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) [2023-11-29 03:56:44,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 418 states and 467 transitions. [2023-11-29 03:56:44,481 INFO L240 hiAutomatonCegarLoop]: Abstraction has 418 states and 467 transitions. [2023-11-29 03:56:44,481 INFO L428 stractBuchiCegarLoop]: Abstraction has 418 states and 467 transitions. [2023-11-29 03:56:44,481 INFO L335 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2023-11-29 03:56:44,481 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 418 states and 467 transitions. [2023-11-29 03:56:44,483 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 25 [2023-11-29 03:56:44,483 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 03:56:44,483 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 03:56:44,484 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] [2023-11-29 03:56:44,484 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] [2023-11-29 03:56:44,485 INFO L748 eck$LassoCheckResult]: Stem: 8612#$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); 8546#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; 8547#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; 8530#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; 8531#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; 8563#L38-2 assume !!(main_~j~0#1 <= main_~r~0#1); 8784#L39 assume !(main_~j~0#1 < main_~r~0#1); 8754#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; 8790#L18-12 assume !(0 == __VERIFIER_assert_~cond#1); 8789#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; 8788#L18-15 assume !(0 == __VERIFIER_assert_~cond#1); 8787#L18-17 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;havoc main_#t~nondet5#1; 8768#L49 assume 0 != main_#t~nondet5#1;havoc main_#t~nondet5#1; 8532#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; 8533#L18-30 assume !(0 == __VERIFIER_assert_~cond#1); 8558#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; 8528#L18-33 assume !(0 == __VERIFIER_assert_~cond#1); 8529#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; 8556#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; 8626#L38-2 assume !!(main_~j~0#1 <= main_~r~0#1); 8623#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; 8606#L18 assume !(0 == __VERIFIER_assert_~cond#1); 8607#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; 8622#L18-3 assume !(0 == __VERIFIER_assert_~cond#1); 8534#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; 8535#L18-6 assume !(0 == __VERIFIER_assert_~cond#1); 8619#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; 8618#L18-9 assume !(0 == __VERIFIER_assert_~cond#1); 8609#L18-11 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;havoc main_#t~nondet4#1; 8538#L44 assume !(0 != main_#t~nondet4#1);havoc main_#t~nondet4#1; 8539#L39-1 [2023-11-29 03:56:44,485 INFO L750 eck$LassoCheckResult]: Loop: 8539#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; 8548#L18-12 assume !(0 == __VERIFIER_assert_~cond#1); 8549#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; 8585#L18-15 assume !(0 == __VERIFIER_assert_~cond#1); 8586#L18-17 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;havoc main_#t~nondet5#1; 8571#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; 8559#L18-18 assume !(0 == __VERIFIER_assert_~cond#1); 8560#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; 8573#L18-21 assume !(0 == __VERIFIER_assert_~cond#1); 8574#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; 8577#L18-24 assume !(0 == __VERIFIER_assert_~cond#1); 8578#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; 8613#L18-27 assume !(0 == __VERIFIER_assert_~cond#1); 8600#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; 8601#L38-2 assume !!(main_~j~0#1 <= main_~r~0#1); 8620#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; 8621#L18 assume !(0 == __VERIFIER_assert_~cond#1); 8565#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; 8566#L18-3 assume !(0 == __VERIFIER_assert_~cond#1); 8570#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; 8569#L18-6 assume !(0 == __VERIFIER_assert_~cond#1); 8552#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; 8553#L18-9 assume !(0 == __VERIFIER_assert_~cond#1); 8604#L18-11 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;havoc main_#t~nondet4#1; 8617#L44 assume 0 != main_#t~nondet4#1;havoc main_#t~nondet4#1;main_~j~0#1 := 1 + main_~j~0#1; 8539#L39-1 [2023-11-29 03:56:44,485 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:56:44,485 INFO L85 PathProgramCache]: Analyzing trace with hash -216057713, now seen corresponding path program 1 times [2023-11-29 03:56:44,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:56:44,486 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [950777127] [2023-11-29 03:56:44,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:56:44,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:56:44,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 03:56:44,496 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 03:56:44,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 03:56:44,525 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 03:56:44,526 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:56:44,526 INFO L85 PathProgramCache]: Analyzing trace with hash -289806389, now seen corresponding path program 3 times [2023-11-29 03:56:44,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:56:44,526 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1561408397] [2023-11-29 03:56:44,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:56:44,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:56:44,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 03:56:44,538 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 03:56:44,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 03:56:44,550 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 03:56:44,551 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:56:44,551 INFO L85 PathProgramCache]: Analyzing trace with hash -46806275, now seen corresponding path program 1 times [2023-11-29 03:56:44,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:56:44,551 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [157088754] [2023-11-29 03:56:44,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:56:44,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:56:44,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:56:44,702 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:56:44,703 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:56:44,703 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [157088754] [2023-11-29 03:56:44,703 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [157088754] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:56:44,703 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1781423390] [2023-11-29 03:56:44,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:56:44,703 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:56:44,704 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:56:44,706 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:56:44,712 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (52)] Waiting until timeout for monitored process [2023-11-29 03:56:44,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:56:44,770 INFO L262 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-29 03:56:44,772 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:56:44,969 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:56:44,969 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 03:56:45,084 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:56:45,084 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1781423390] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 03:56:45,085 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 03:56:45,085 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 14 [2023-11-29 03:56:45,085 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [910689261] [2023-11-29 03:56:45,085 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 03:56:45,266 INFO L210 LassoAnalysis]: Preferences: [2023-11-29 03:56:45,266 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-29 03:56:45,266 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-29 03:56:45,266 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-29 03:56:45,266 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-29 03:56:45,266 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:56:45,267 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-29 03:56:45,267 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-29 03:56:45,267 INFO L133 ssoRankerPreferences]: Filename of dumped script: heapsort.i_Iteration9_Loop [2023-11-29 03:56:45,267 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-29 03:56:45,267 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-29 03:56:45,267 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:56:45,279 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:56:45,281 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:56:45,282 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:56:45,284 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:56:45,324 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-29 03:56:45,324 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-29 03:56:45,324 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:56:45,324 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:56:45,325 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:56:45,327 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2023-11-29 03:56:45,328 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-29 03:56:45,328 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 03:56:45,349 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Ended with exit code 0 [2023-11-29 03:56:45,349 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:56:45,350 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:56:45,350 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:56:45,351 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2023-11-29 03:56:45,353 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-29 03:56:45,353 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 03:56:45,450 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-11-29 03:56:45,453 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Ended with exit code 0 [2023-11-29 03:56:45,453 INFO L210 LassoAnalysis]: Preferences: [2023-11-29 03:56:45,453 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-29 03:56:45,453 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-29 03:56:45,453 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-29 03:56:45,453 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-29 03:56:45,454 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:56:45,454 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-29 03:56:45,454 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-29 03:56:45,454 INFO L133 ssoRankerPreferences]: Filename of dumped script: heapsort.i_Iteration9_Loop [2023-11-29 03:56:45,454 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-29 03:56:45,454 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-29 03:56:45,455 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:56:45,464 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:56:45,466 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:56:45,467 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:56:45,469 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:56:45,505 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-29 03:56:45,505 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-29 03:56:45,505 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:56:45,505 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:56:45,506 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:56:45,507 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2023-11-29 03:56:45,508 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 03:56:45,518 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 03:56:45,519 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 03:56:45,519 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 03:56:45,519 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 03:56:45,519 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 03:56:45,520 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 03:56:45,520 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 03:56:45,524 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-29 03:56:45,528 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2023-11-29 03:56:45,528 INFO L444 ModelExtractionUtils]: 2 out of 6 variables were initially zero. Simplification set additionally 1 variables to zero. [2023-11-29 03:56:45,528 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:56:45,528 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:56:45,529 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:56:45,536 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2023-11-29 03:56:45,536 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-29 03:56:45,536 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-11-29 03:56:45,536 INFO L513 LassoAnalysis]: Proved termination. [2023-11-29 03:56:45,536 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~n~0#1, ULTIMATE.start_main_~j~0#1) = 1*ULTIMATE.start_main_~n~0#1 - 1*ULTIMATE.start_main_~j~0#1 Supporting invariants [] [2023-11-29 03:56:45,539 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Ended with exit code 0 [2023-11-29 03:56:45,539 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-11-29 03:56:45,548 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:56:45,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:56:45,565 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 03:56:45,566 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:56:45,581 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Ended with exit code 0 [2023-11-29 03:56:45,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:56:45,607 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-29 03:56:45,608 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:56:45,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:56:45,729 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 [2023-11-29 03:56:45,729 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) [2023-11-29 03:56:46,047 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 1359 states and 1489 transitions. Complement of second has 19 states. [2023-11-29 03:56:46,047 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 [2023-11-29 03:56:46,048 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) [2023-11-29 03:56:46,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 166 transitions. [2023-11-29 03:56:46,049 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 166 transitions. Stem has 30 letters. Loop has 25 letters. [2023-11-29 03:56:46,049 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 03:56:46,049 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 166 transitions. Stem has 55 letters. Loop has 25 letters. [2023-11-29 03:56:46,049 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 03:56:46,049 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 166 transitions. Stem has 30 letters. Loop has 50 letters. [2023-11-29 03:56:46,050 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 03:56:46,050 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1359 states and 1489 transitions. [2023-11-29 03:56:46,058 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 50 [2023-11-29 03:56:46,066 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1359 states to 1170 states and 1285 transitions. [2023-11-29 03:56:46,067 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 101 [2023-11-29 03:56:46,067 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 102 [2023-11-29 03:56:46,067 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1170 states and 1285 transitions. [2023-11-29 03:56:46,068 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-29 03:56:46,068 INFO L218 hiAutomatonCegarLoop]: Abstraction has 1170 states and 1285 transitions. [2023-11-29 03:56:46,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1170 states and 1285 transitions. [2023-11-29 03:56:46,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1170 to 851. [2023-11-29 03:56:46,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 851 states, 851 states have (on average 1.1081081081081081) internal successors, (943), 850 states have internal predecessors, (943), 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) [2023-11-29 03:56:46,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 851 states to 851 states and 943 transitions. [2023-11-29 03:56:46,090 INFO L240 hiAutomatonCegarLoop]: Abstraction has 851 states and 943 transitions. [2023-11-29 03:56:46,090 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:56:46,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-11-29 03:56:46,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2023-11-29 03:56:46,091 INFO L87 Difference]: Start difference. First operand 851 states and 943 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) [2023-11-29 03:56:47,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:56:47,092 INFO L93 Difference]: Finished difference Result 4121 states and 4423 transitions. [2023-11-29 03:56:47,092 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 4121 states and 4423 transitions. [2023-11-29 03:56:47,109 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 114 [2023-11-29 03:56:47,122 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 4121 states to 2875 states and 3105 transitions. [2023-11-29 03:56:47,122 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 276 [2023-11-29 03:56:47,123 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 276 [2023-11-29 03:56:47,123 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2875 states and 3105 transitions. [2023-11-29 03:56:47,123 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-29 03:56:47,123 INFO L218 hiAutomatonCegarLoop]: Abstraction has 2875 states and 3105 transitions. [2023-11-29 03:56:47,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2875 states and 3105 transitions. [2023-11-29 03:56:47,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2875 to 1291. [2023-11-29 03:56:47,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1291 states, 1291 states have (on average 1.1022463206816422) internal successors, (1423), 1290 states have internal predecessors, (1423), 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) [2023-11-29 03:56:47,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1291 states to 1291 states and 1423 transitions. [2023-11-29 03:56:47,149 INFO L240 hiAutomatonCegarLoop]: Abstraction has 1291 states and 1423 transitions. [2023-11-29 03:56:47,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2023-11-29 03:56:47,150 INFO L428 stractBuchiCegarLoop]: Abstraction has 1291 states and 1423 transitions. [2023-11-29 03:56:47,150 INFO L335 stractBuchiCegarLoop]: ======== Iteration 10 ============ [2023-11-29 03:56:47,150 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1291 states and 1423 transitions. [2023-11-29 03:56:47,153 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 50 [2023-11-29 03:56:47,153 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 03:56:47,154 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 03:56:47,155 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] [2023-11-29 03:56:47,155 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] [2023-11-29 03:56:47,155 INFO L748 eck$LassoCheckResult]: Stem: 15985#$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); 15920#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; 15921#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; 15905#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; 15906#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; 15937#L38-2 assume !!(main_~j~0#1 <= main_~r~0#1); 16337#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; 16739#L18 assume !(0 == __VERIFIER_assert_~cond#1); 16738#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; 16737#L18-3 assume !(0 == __VERIFIER_assert_~cond#1); 16736#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; 16735#L18-6 assume !(0 == __VERIFIER_assert_~cond#1); 16734#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; 16733#L18-9 assume !(0 == __VERIFIER_assert_~cond#1); 16732#L18-11 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;havoc main_#t~nondet4#1; 16721#L44 assume !(0 != main_#t~nondet4#1);havoc main_#t~nondet4#1; 16719#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; 16717#L18-12 assume !(0 == __VERIFIER_assert_~cond#1); 16715#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; 16713#L18-15 assume !(0 == __VERIFIER_assert_~cond#1); 16711#L18-17 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;havoc main_#t~nondet5#1; 16672#L49 assume 0 != main_#t~nondet5#1;havoc main_#t~nondet5#1; 16551#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; 16549#L18-30 assume !(0 == __VERIFIER_assert_~cond#1); 16547#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; 16545#L18-33 assume !(0 == __VERIFIER_assert_~cond#1); 16186#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; 15991#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; 15992#L38-2 assume !!(main_~j~0#1 <= main_~r~0#1); 16158#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; 15980#L18 assume !(0 == __VERIFIER_assert_~cond#1); 15940#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; 15941#L18-3 assume !(0 == __VERIFIER_assert_~cond#1); 15913#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; 15914#L18-6 assume !(0 == __VERIFIER_assert_~cond#1); 15926#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; 15927#L18-9 assume !(0 == __VERIFIER_assert_~cond#1); 15978#L18-11 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;havoc main_#t~nondet4#1; 15907#L44 assume !(0 != main_#t~nondet4#1);havoc main_#t~nondet4#1; 15908#L39-1 [2023-11-29 03:56:47,155 INFO L750 eck$LassoCheckResult]: Loop: 15908#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; 15922#L18-12 assume !(0 == __VERIFIER_assert_~cond#1); 15923#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; 15960#L18-15 assume !(0 == __VERIFIER_assert_~cond#1); 15961#L18-17 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;havoc main_#t~nondet5#1; 15944#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; 15945#L18-18 assume !(0 == __VERIFIER_assert_~cond#1); 16145#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; 16144#L18-21 assume !(0 == __VERIFIER_assert_~cond#1); 16143#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; 15952#L18-24 assume !(0 == __VERIFIER_assert_~cond#1); 15953#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; 15986#L18-27 assume !(0 == __VERIFIER_assert_~cond#1); 16141#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; 16140#L38-2 assume !!(main_~j~0#1 <= main_~r~0#1); 16139#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; 16138#L18 assume !(0 == __VERIFIER_assert_~cond#1); 16137#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; 16136#L18-3 assume !(0 == __VERIFIER_assert_~cond#1); 16135#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; 16134#L18-6 assume !(0 == __VERIFIER_assert_~cond#1); 16133#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; 16132#L18-9 assume !(0 == __VERIFIER_assert_~cond#1); 16131#L18-11 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;havoc main_#t~nondet4#1; 16130#L44 assume 0 != main_#t~nondet4#1;havoc main_#t~nondet4#1;main_~j~0#1 := 1 + main_~j~0#1; 15908#L39-1 [2023-11-29 03:56:47,156 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:56:47,156 INFO L85 PathProgramCache]: Analyzing trace with hash 247002273, now seen corresponding path program 1 times [2023-11-29 03:56:47,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:56:47,156 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [666640819] [2023-11-29 03:56:47,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:56:47,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:56:47,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 03:56:47,165 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 03:56:47,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 03:56:47,173 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 03:56:47,174 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:56:47,174 INFO L85 PathProgramCache]: Analyzing trace with hash -289806389, now seen corresponding path program 4 times [2023-11-29 03:56:47,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:56:47,174 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1689753802] [2023-11-29 03:56:47,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:56:47,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:56:47,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 03:56:47,182 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 03:56:47,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 03:56:47,190 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 03:56:47,190 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:56:47,190 INFO L85 PathProgramCache]: Analyzing trace with hash -1441831125, now seen corresponding path program 1 times [2023-11-29 03:56:47,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:56:47,190 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [632572386] [2023-11-29 03:56:47,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:56:47,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:56:47,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 03:56:47,201 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 03:56:47,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 03:56:47,213 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 03:56:47,410 INFO L210 LassoAnalysis]: Preferences: [2023-11-29 03:56:47,410 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-29 03:56:47,410 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-29 03:56:47,410 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-29 03:56:47,410 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-29 03:56:47,410 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:56:47,410 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-29 03:56:47,410 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-29 03:56:47,410 INFO L133 ssoRankerPreferences]: Filename of dumped script: heapsort.i_Iteration10_Loop [2023-11-29 03:56:47,410 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-29 03:56:47,410 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-29 03:56:47,411 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:56:47,413 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:56:47,414 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:56:47,425 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:56:47,427 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:56:47,461 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-29 03:56:47,462 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-29 03:56:47,462 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:56:47,462 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:56:47,463 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:56:47,463 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2023-11-29 03:56:47,465 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-29 03:56:47,465 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 03:56:47,476 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-29 03:56:47,476 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: [] [2023-11-29 03:56:47,479 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Ended with exit code 0 [2023-11-29 03:56:47,479 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:56:47,479 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:56:47,480 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:56:47,481 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2023-11-29 03:56:47,482 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-29 03:56:47,482 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 03:56:47,494 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-29 03:56:47,494 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: [] [2023-11-29 03:56:47,496 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Forceful destruction successful, exit code 0 [2023-11-29 03:56:47,496 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:56:47,496 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:56:47,497 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:56:47,498 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2023-11-29 03:56:47,499 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-29 03:56:47,499 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 03:56:47,521 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Ended with exit code 0 [2023-11-29 03:56:47,521 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:56:47,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:56:47,522 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:56:47,523 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2023-11-29 03:56:47,524 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-29 03:56:47,524 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 03:56:47,613 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-11-29 03:56:47,616 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Forceful destruction successful, exit code 0 [2023-11-29 03:56:47,617 INFO L210 LassoAnalysis]: Preferences: [2023-11-29 03:56:47,617 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-29 03:56:47,617 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-29 03:56:47,617 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-29 03:56:47,617 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-29 03:56:47,617 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:56:47,617 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-29 03:56:47,617 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-29 03:56:47,617 INFO L133 ssoRankerPreferences]: Filename of dumped script: heapsort.i_Iteration10_Loop [2023-11-29 03:56:47,617 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-29 03:56:47,617 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-29 03:56:47,617 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:56:47,628 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:56:47,629 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:56:47,631 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:56:47,632 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:56:47,674 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-29 03:56:47,674 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-29 03:56:47,674 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:56:47,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:56:47,675 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:56:47,676 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2023-11-29 03:56:47,677 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 [2023-11-29 03:56:47,687 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 03:56:47,687 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 03:56:47,687 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 03:56:47,688 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 03:56:47,688 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 03:56:47,689 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 03:56:47,689 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 03:56:47,692 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-29 03:56:47,696 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2023-11-29 03:56:47,696 INFO L444 ModelExtractionUtils]: 2 out of 6 variables were initially zero. Simplification set additionally 1 variables to zero. [2023-11-29 03:56:47,696 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:56:47,696 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:56:47,697 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:56:47,698 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2023-11-29 03:56:47,699 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-29 03:56:47,699 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-11-29 03:56:47,699 INFO L513 LassoAnalysis]: Proved termination. [2023-11-29 03:56:47,700 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 [] [2023-11-29 03:56:47,702 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Ended with exit code 0 [2023-11-29 03:56:47,703 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-11-29 03:56:47,711 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:56:47,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:56:47,733 INFO L262 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 03:56:47,734 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:56:47,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:56:47,779 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-29 03:56:47,780 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:56:47,808 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Ended with exit code 0 [2023-11-29 03:56:47,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:56:47,929 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 [2023-11-29 03:56:47,929 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 1291 states and 1423 transitions. cyclomatic complexity: 149 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) [2023-11-29 03:56:48,270 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 1291 states and 1423 transitions. cyclomatic complexity: 149. 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 2333 states and 2527 transitions. Complement of second has 19 states. [2023-11-29 03:56:48,270 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 [2023-11-29 03:56:48,271 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) [2023-11-29 03:56:48,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 166 transitions. [2023-11-29 03:56:48,271 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 166 transitions. Stem has 39 letters. Loop has 25 letters. [2023-11-29 03:56:48,271 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 03:56:48,271 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-11-29 03:56:48,281 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:56:48,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:56:48,305 INFO L262 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 03:56:48,306 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:56:48,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:56:48,357 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-29 03:56:48,357 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:56:48,485 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:56:48,486 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 [2023-11-29 03:56:48,486 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 1291 states and 1423 transitions. cyclomatic complexity: 149 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) [2023-11-29 03:56:48,763 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 1291 states and 1423 transitions. cyclomatic complexity: 149. 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 2333 states and 2527 transitions. Complement of second has 19 states. [2023-11-29 03:56:48,764 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 [2023-11-29 03:56:48,764 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) [2023-11-29 03:56:48,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 166 transitions. [2023-11-29 03:56:48,765 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 166 transitions. Stem has 39 letters. Loop has 25 letters. [2023-11-29 03:56:48,765 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 03:56:48,765 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-11-29 03:56:48,775 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:56:48,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:56:48,795 INFO L262 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 03:56:48,796 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:56:48,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:56:48,835 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-29 03:56:48,835 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:56:48,958 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:56:48,958 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 [2023-11-29 03:56:48,958 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 1291 states and 1423 transitions. cyclomatic complexity: 149 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) [2023-11-29 03:56:49,260 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 1291 states and 1423 transitions. cyclomatic complexity: 149. 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 2928 states and 3161 transitions. Complement of second has 35 states. [2023-11-29 03:56:49,260 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 [2023-11-29 03:56:49,260 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) [2023-11-29 03:56:49,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 167 transitions. [2023-11-29 03:56:49,261 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 167 transitions. Stem has 39 letters. Loop has 25 letters. [2023-11-29 03:56:49,261 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 03:56:49,261 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 167 transitions. Stem has 64 letters. Loop has 25 letters. [2023-11-29 03:56:49,261 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 03:56:49,262 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 167 transitions. Stem has 39 letters. Loop has 50 letters. [2023-11-29 03:56:49,262 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 03:56:49,262 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2928 states and 3161 transitions. [2023-11-29 03:56:49,275 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 50 [2023-11-29 03:56:49,284 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2928 states to 1973 states and 2150 transitions. [2023-11-29 03:56:49,284 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 119 [2023-11-29 03:56:49,284 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 123 [2023-11-29 03:56:49,285 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1973 states and 2150 transitions. [2023-11-29 03:56:49,285 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-29 03:56:49,285 INFO L218 hiAutomatonCegarLoop]: Abstraction has 1973 states and 2150 transitions. [2023-11-29 03:56:49,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1973 states and 2150 transitions. [2023-11-29 03:56:49,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1973 to 729. [2023-11-29 03:56:49,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 729 states, 729 states have (on average 1.0987654320987654) internal successors, (801), 728 states have internal predecessors, (801), 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) [2023-11-29 03:56:49,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 729 states to 729 states and 801 transitions. [2023-11-29 03:56:49,300 INFO L240 hiAutomatonCegarLoop]: Abstraction has 729 states and 801 transitions. [2023-11-29 03:56:49,300 INFO L428 stractBuchiCegarLoop]: Abstraction has 729 states and 801 transitions. [2023-11-29 03:56:49,300 INFO L335 stractBuchiCegarLoop]: ======== Iteration 11 ============ [2023-11-29 03:56:49,300 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 729 states and 801 transitions. [2023-11-29 03:56:49,302 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 25 [2023-11-29 03:56:49,302 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 03:56:49,302 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 03:56:49,302 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] [2023-11-29 03:56:49,302 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] [2023-11-29 03:56:49,303 INFO L748 eck$LassoCheckResult]: Stem: 25577#$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); 25508#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; 25509#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; 25493#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; 25494#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; 25526#L38-2 assume !!(main_~j~0#1 <= main_~r~0#1); 25936#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; 26170#L18 assume !(0 == __VERIFIER_assert_~cond#1); 26168#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; 26166#L18-3 assume !(0 == __VERIFIER_assert_~cond#1); 26164#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; 26162#L18-6 assume !(0 == __VERIFIER_assert_~cond#1); 26160#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; 26158#L18-9 assume !(0 == __VERIFIER_assert_~cond#1); 26156#L18-11 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;havoc main_#t~nondet4#1; 26154#L44 assume 0 != main_#t~nondet4#1;havoc main_#t~nondet4#1;main_~j~0#1 := 1 + main_~j~0#1; 25797#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; 25795#L18-12 assume !(0 == __VERIFIER_assert_~cond#1); 25793#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; 25791#L18-15 assume !(0 == __VERIFIER_assert_~cond#1); 25766#L18-17 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;havoc main_#t~nondet5#1; 25655#L49 assume 0 != main_#t~nondet5#1;havoc main_#t~nondet5#1; 25653#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; 25651#L18-30 assume !(0 == __VERIFIER_assert_~cond#1); 25649#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; 25647#L18-33 assume !(0 == __VERIFIER_assert_~cond#1); 25645#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; 25617#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; 25615#L38-2 assume !!(main_~j~0#1 <= main_~r~0#1); 25612#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; 25611#L18 assume !(0 == __VERIFIER_assert_~cond#1); 25610#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; 25609#L18-3 assume !(0 == __VERIFIER_assert_~cond#1); 25608#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; 25533#L18-6 assume !(0 == __VERIFIER_assert_~cond#1); 25534#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; 25563#L18-9 assume !(0 == __VERIFIER_assert_~cond#1); 25564#L18-11 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;havoc main_#t~nondet4#1; 25499#L44 assume !(0 != main_#t~nondet4#1);havoc main_#t~nondet4#1; 25500#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; 25510#L18-12 [2023-11-29 03:56:49,303 INFO L750 eck$LassoCheckResult]: Loop: 25510#L18-12 assume !(0 == __VERIFIER_assert_~cond#1); 25511#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; 25552#L18-15 assume !(0 == __VERIFIER_assert_~cond#1); 25553#L18-17 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;havoc main_#t~nondet5#1; 25536#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; 25522#L18-18 assume !(0 == __VERIFIER_assert_~cond#1); 25523#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; 25539#L18-21 assume !(0 == __VERIFIER_assert_~cond#1); 25540#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; 25543#L18-24 assume !(0 == __VERIFIER_assert_~cond#1); 25544#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; 25579#L18-27 assume !(0 == __VERIFIER_assert_~cond#1); 25567#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; 25568#L38-2 assume !!(main_~j~0#1 <= main_~r~0#1); 25547#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; 25548#L18 assume !(0 == __VERIFIER_assert_~cond#1); 25529#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; 25530#L18-3 assume !(0 == __VERIFIER_assert_~cond#1); 25495#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; 25496#L18-6 assume !(0 == __VERIFIER_assert_~cond#1); 25514#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; 25515#L18-9 assume !(0 == __VERIFIER_assert_~cond#1); 25572#L18-11 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;havoc main_#t~nondet4#1; 25573#L44 assume !(0 != main_#t~nondet4#1);havoc main_#t~nondet4#1; 25556#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; 25510#L18-12 [2023-11-29 03:56:49,303 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:56:49,303 INFO L85 PathProgramCache]: Analyzing trace with hash -1073412628, now seen corresponding path program 1 times [2023-11-29 03:56:49,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:56:49,304 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1272091730] [2023-11-29 03:56:49,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:56:49,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:56:49,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 03:56:49,314 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 03:56:49,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 03:56:49,325 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 03:56:49,326 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:56:49,326 INFO L85 PathProgramCache]: Analyzing trace with hash -472888785, now seen corresponding path program 1 times [2023-11-29 03:56:49,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:56:49,326 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2091883713] [2023-11-29 03:56:49,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:56:49,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:56:49,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 03:56:49,334 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 03:56:49,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 03:56:49,343 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 03:56:49,343 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:56:49,343 INFO L85 PathProgramCache]: Analyzing trace with hash -1266011484, now seen corresponding path program 2 times [2023-11-29 03:56:49,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:56:49,344 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [497371746] [2023-11-29 03:56:49,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:56:49,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:56:49,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 03:56:49,357 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 03:56:49,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 03:56:49,374 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 03:56:49,604 INFO L210 LassoAnalysis]: Preferences: [2023-11-29 03:56:49,604 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-29 03:56:49,605 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-29 03:56:49,605 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-29 03:56:49,605 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-29 03:56:49,605 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:56:49,605 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-29 03:56:49,605 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-29 03:56:49,605 INFO L133 ssoRankerPreferences]: Filename of dumped script: heapsort.i_Iteration11_Loop [2023-11-29 03:56:49,605 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-29 03:56:49,605 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-29 03:56:49,606 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:56:49,608 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:56:49,609 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:56:49,620 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:56:49,621 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:56:49,674 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-29 03:56:49,674 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-29 03:56:49,675 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:56:49,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:56:49,675 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:56:49,676 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2023-11-29 03:56:49,677 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-29 03:56:49,678 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 03:56:49,689 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-29 03:56:49,689 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: [] [2023-11-29 03:56:49,691 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Ended with exit code 0 [2023-11-29 03:56:49,692 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:56:49,692 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:56:49,693 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:56:49,693 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2023-11-29 03:56:49,694 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-29 03:56:49,695 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 03:56:49,706 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-29 03:56:49,706 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: [] [2023-11-29 03:56:49,709 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Forceful destruction successful, exit code 0 [2023-11-29 03:56:49,709 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:56:49,709 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:56:49,710 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:56:49,710 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2023-11-29 03:56:49,712 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-29 03:56:49,712 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 03:56:49,734 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Ended with exit code 0 [2023-11-29 03:56:49,734 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:56:49,735 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:56:49,735 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:56:49,736 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2023-11-29 03:56:49,737 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-29 03:56:49,737 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-29 03:56:49,851 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-11-29 03:56:49,855 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Forceful destruction successful, exit code 0 [2023-11-29 03:56:49,855 INFO L210 LassoAnalysis]: Preferences: [2023-11-29 03:56:49,855 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-29 03:56:49,855 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-29 03:56:49,855 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-29 03:56:49,855 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-29 03:56:49,855 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:56:49,855 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-29 03:56:49,856 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-29 03:56:49,856 INFO L133 ssoRankerPreferences]: Filename of dumped script: heapsort.i_Iteration11_Loop [2023-11-29 03:56:49,856 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-29 03:56:49,856 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-29 03:56:49,856 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:56:49,858 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:56:49,860 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:56:49,861 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:56:49,871 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:56:49,942 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-29 03:56:49,942 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-29 03:56:49,942 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:56:49,942 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:56:49,943 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:56:49,944 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2023-11-29 03:56:49,945 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 [2023-11-29 03:56:49,955 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 03:56:49,955 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 03:56:49,955 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 03:56:49,955 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 03:56:49,955 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 03:56:49,956 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 03:56:49,956 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 03:56:49,958 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 03:56:49,960 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Forceful destruction successful, exit code 0 [2023-11-29 03:56:49,960 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:56:49,961 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:56:49,961 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:56:49,962 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2023-11-29 03:56:49,964 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 [2023-11-29 03:56:49,974 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 03:56:49,974 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 03:56:49,974 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 03:56:49,974 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 03:56:49,974 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 03:56:49,974 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 03:56:49,974 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 03:56:49,976 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 03:56:49,978 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Ended with exit code 0 [2023-11-29 03:56:49,978 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:56:49,979 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:56:49,979 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:56:49,980 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2023-11-29 03:56:49,982 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 [2023-11-29 03:56:49,992 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 03:56:49,992 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 03:56:49,992 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 03:56:49,993 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 03:56:49,993 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 03:56:49,993 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 03:56:49,993 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 03:56:49,995 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 03:56:49,997 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Ended with exit code 0 [2023-11-29 03:56:49,997 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:56:49,997 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:56:49,998 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:56:49,998 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2023-11-29 03:56:50,000 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 03:56:50,011 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 03:56:50,011 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 03:56:50,011 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 03:56:50,011 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 03:56:50,011 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 03:56:50,013 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 03:56:50,013 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 03:56:50,016 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-29 03:56:50,020 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2023-11-29 03:56:50,020 INFO L444 ModelExtractionUtils]: 2 out of 6 variables were initially zero. Simplification set additionally 1 variables to zero. [2023-11-29 03:56:50,020 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:56:50,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:56:50,021 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:56:50,022 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2023-11-29 03:56:50,023 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-29 03:56:50,023 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-11-29 03:56:50,023 INFO L513 LassoAnalysis]: Proved termination. [2023-11-29 03:56:50,023 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 - 2*ULTIMATE.start_main_~j~0#1 Supporting invariants [] [2023-11-29 03:56:50,026 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Forceful destruction successful, exit code 0 [2023-11-29 03:56:50,026 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-11-29 03:56:50,038 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:56:50,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:56:50,062 INFO L262 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 03:56:50,063 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:56:50,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:56:50,103 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-29 03:56:50,103 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:56:50,228 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:56:50,229 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 [2023-11-29 03:56:50,229 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 729 states and 801 transitions. cyclomatic complexity: 78 Second operand has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 7 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) [2023-11-29 03:56:50,353 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 729 states and 801 transitions. cyclomatic complexity: 78. Second operand has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 7 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 1131 states and 1223 transitions. Complement of second has 15 states. [2023-11-29 03:56:50,353 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 [2023-11-29 03:56:50,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 7 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) [2023-11-29 03:56:50,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 63 transitions. [2023-11-29 03:56:50,354 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 63 transitions. Stem has 40 letters. Loop has 25 letters. [2023-11-29 03:56:50,354 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 03:56:50,354 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-11-29 03:56:50,362 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:56:50,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:56:50,378 INFO L262 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 03:56:50,378 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:56:50,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:56:50,422 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-29 03:56:50,423 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:56:50,567 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:56:50,567 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 [2023-11-29 03:56:50,567 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 729 states and 801 transitions. cyclomatic complexity: 78 Second operand has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 7 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) [2023-11-29 03:56:50,699 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 729 states and 801 transitions. cyclomatic complexity: 78. Second operand has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 7 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 1109 states and 1203 transitions. Complement of second has 15 states. [2023-11-29 03:56:50,700 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 [2023-11-29 03:56:50,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 7 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) [2023-11-29 03:56:50,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 61 transitions. [2023-11-29 03:56:50,700 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 61 transitions. Stem has 40 letters. Loop has 25 letters. [2023-11-29 03:56:50,700 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 03:56:50,701 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-11-29 03:56:50,708 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:56:50,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:56:50,727 INFO L262 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 03:56:50,728 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:56:50,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:56:50,772 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-29 03:56:50,772 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:56:50,895 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:56:50,895 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 4 loop predicates [2023-11-29 03:56:50,895 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 729 states and 801 transitions. cyclomatic complexity: 78 Second operand has 6 states, 6 states have (on average 9.0) internal successors, (54), 6 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) [2023-11-29 03:56:50,928 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Ended with exit code 0 [2023-11-29 03:56:50,998 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 729 states and 801 transitions. cyclomatic complexity: 78. Second operand has 6 states, 6 states have (on average 9.0) internal successors, (54), 6 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 1672 states and 1814 transitions. Complement of second has 15 states. [2023-11-29 03:56:50,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2023-11-29 03:56:50,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 9.0) internal successors, (54), 6 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) [2023-11-29 03:56:50,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 109 transitions. [2023-11-29 03:56:50,999 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 109 transitions. Stem has 40 letters. Loop has 25 letters. [2023-11-29 03:56:50,999 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 03:56:51,000 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 109 transitions. Stem has 65 letters. Loop has 25 letters. [2023-11-29 03:56:51,000 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 03:56:51,000 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 109 transitions. Stem has 40 letters. Loop has 50 letters. [2023-11-29 03:56:51,000 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 03:56:51,000 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1672 states and 1814 transitions. [2023-11-29 03:56:51,006 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-29 03:56:51,007 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1672 states to 0 states and 0 transitions. [2023-11-29 03:56:51,007 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-11-29 03:56:51,007 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-11-29 03:56:51,007 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-11-29 03:56:51,007 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 03:56:51,007 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-29 03:56:51,007 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-29 03:56:51,007 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-29 03:56:51,007 INFO L335 stractBuchiCegarLoop]: ======== Iteration 12 ============ [2023-11-29 03:56:51,007 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-11-29 03:56:51,007 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-29 03:56:51,007 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-11-29 03:56:51,014 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.11 03:56:51 BoogieIcfgContainer [2023-11-29 03:56:51,014 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-29 03:56:51,014 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 03:56:51,014 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 03:56:51,015 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 03:56:51,015 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 03:56:35" (3/4) ... [2023-11-29 03:56:51,016 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-29 03:56:51,017 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 03:56:51,017 INFO L158 Benchmark]: Toolchain (without parser) took 16699.08ms. Allocated memory was 132.1MB in the beginning and 237.0MB in the end (delta: 104.9MB). Free memory was 87.3MB in the beginning and 185.6MB in the end (delta: -98.4MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. [2023-11-29 03:56:51,018 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 132.1MB. Free memory is still 72.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 03:56:51,018 INFO L158 Benchmark]: CACSL2BoogieTranslator took 218.79ms. Allocated memory is still 132.1MB. Free memory was 87.0MB in the beginning and 76.4MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-29 03:56:51,018 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.57ms. Allocated memory is still 132.1MB. Free memory was 76.4MB in the beginning and 74.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 03:56:51,018 INFO L158 Benchmark]: Boogie Preprocessor took 45.56ms. Allocated memory is still 132.1MB. Free memory was 74.4MB in the beginning and 72.0MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 03:56:51,019 INFO L158 Benchmark]: RCFGBuilder took 410.28ms. Allocated memory was 132.1MB in the beginning and 163.6MB in the end (delta: 31.5MB). Free memory was 71.7MB in the beginning and 126.9MB in the end (delta: -55.2MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. [2023-11-29 03:56:51,019 INFO L158 Benchmark]: BuchiAutomizer took 15974.44ms. Allocated memory was 163.6MB in the beginning and 237.0MB in the end (delta: 73.4MB). Free memory was 126.9MB in the beginning and 185.6MB in the end (delta: -58.8MB). Peak memory consumption was 15.7MB. Max. memory is 16.1GB. [2023-11-29 03:56:51,019 INFO L158 Benchmark]: Witness Printer took 2.75ms. Allocated memory is still 237.0MB. Free memory is still 185.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 03:56:51,021 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 132.1MB. Free memory is still 72.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 218.79ms. Allocated memory is still 132.1MB. Free memory was 87.0MB in the beginning and 76.4MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.57ms. Allocated memory is still 132.1MB. Free memory was 76.4MB in the beginning and 74.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.56ms. Allocated memory is still 132.1MB. Free memory was 74.4MB in the beginning and 72.0MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 410.28ms. Allocated memory was 132.1MB in the beginning and 163.6MB in the end (delta: 31.5MB). Free memory was 71.7MB in the beginning and 126.9MB in the end (delta: -55.2MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 15974.44ms. Allocated memory was 163.6MB in the beginning and 237.0MB in the end (delta: 73.4MB). Free memory was 126.9MB in the beginning and 185.6MB in the end (delta: -58.8MB). Peak memory consumption was 15.7MB. Max. memory is 16.1GB. * Witness Printer took 2.75ms. Allocated memory is still 237.0MB. Free memory is still 185.6MB. 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 17 terminating modules (8 trivial, 6 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 r and consists of 4 locations. One deterministic module has affine ranking function ((5 * r) + (-8 * j)) and consists of 10 locations. One deterministic module has affine ranking function ((-1 * j) + n) and consists of 10 locations. One nondeterministic module has affine ranking function ((-2 * j) + (3 * r)) and consists of 8 locations. One nondeterministic module has affine ranking function ((-1 * j) + n) and consists of 10 locations. One nondeterministic module has affine ranking function ((-2 * j) + r) and consists of 5 locations. 8 modules have a trivial ranking function, the largest among these consists of 14 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 15.9s and 12 iterations. TraceHistogramMax:2. Analysis of lassos took 7.7s. Construction of modules took 2.3s. Büchi inclusion checks took 5.5s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 15. Automata minimization 0.2s AutomataMinimizationTime, 16 MinimizatonAttempts, 4242 StatesRemovedByMinimization, 15 NontrivialMinimizations. Non-live state removal took 0.1s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [6, 0, 2, 1, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3235 SdHoareTripleChecker+Valid, 2.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3219 mSDsluCounter, 4167 SdHoareTripleChecker+Invalid, 2.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2594 mSDsCounter, 221 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3413 IncrementalHoareTripleChecker+Invalid, 3634 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 221 mSolverCounterUnsat, 1573 mSDtfsCounter, 3413 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI2 SFLT3 conc0 concLT6 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital30 mio100 ax100 hnf100 lsp97 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq152 hnf93 smp100 dnf100 smp100 tf104 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 23ms VariablesStem: 0 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 16 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 9 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 1.9s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2023-11-29 03:56:51,035 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (52)] Ended with exit code 0 [2023-11-29 03:56:51,241 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Ended with exit code 0 [2023-11-29 03:56:51,441 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bf65c16-1fe7-4a14-86f6-4df605702577/bin/uautomizer-verify-BQ2R08f2Ya/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