./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loops/insertion_sort-1-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version cf1a7837 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_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loops/insertion_sort-1-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl --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 36d1103e69366c6d9110aa7e24b0c4765120510facc121d7623fcf9373a67e96 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:29:43,286 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:29:43,416 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Termination-32bit-Automizer_Default.epf [2023-11-12 02:29:43,424 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:29:43,425 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:29:43,460 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:29:43,461 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:29:43,462 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:29:43,463 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:29:43,468 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:29:43,469 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:29:43,469 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-12 02:29:43,470 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-12 02:29:43,472 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-12 02:29:43,472 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-12 02:29:43,473 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-12 02:29:43,473 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-12 02:29:43,474 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:29:43,475 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-12 02:29:43,475 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 02:29:43,476 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 02:29:43,477 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 02:29:43,477 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:29:43,477 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-12 02:29:43,478 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-12 02:29:43,478 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-12 02:29:43,479 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 02:29:43,479 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 02:29:43,480 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:29:43,480 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-12 02:29:43,482 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:29:43,482 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:29:43,482 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:29:43,483 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:29:43,483 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-12 02:29:43,484 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-12 02:29:43,484 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_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 36d1103e69366c6d9110aa7e24b0c4765120510facc121d7623fcf9373a67e96 [2023-11-12 02:29:43,782 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:29:43,821 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:29:43,824 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:29:43,826 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:29:43,826 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:29:43,828 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/loops/insertion_sort-1-2.c [2023-11-12 02:29:47,132 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:29:47,394 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:29:47,394 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/sv-benchmarks/c/loops/insertion_sort-1-2.c [2023-11-12 02:29:47,402 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/data/a9dc3ab30/979525647eed4c9bb346a054d60d4358/FLAGddfb7b5a1 [2023-11-12 02:29:47,425 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/data/a9dc3ab30/979525647eed4c9bb346a054d60d4358 [2023-11-12 02:29:47,431 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:29:47,433 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:29:47,438 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:29:47,440 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:29:47,446 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:29:47,447 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:29:47" (1/1) ... [2023-11-12 02:29:47,448 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a1a3e02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:29:47, skipping insertion in model container [2023-11-12 02:29:47,448 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:29:47" (1/1) ... [2023-11-12 02:29:47,476 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:29:47,641 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:29:47,651 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:29:47,671 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:29:47,687 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:29:47,687 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:29:47 WrapperNode [2023-11-12 02:29:47,688 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:29:47,689 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:29:47,689 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:29:47,689 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:29:47,697 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:29:47" (1/1) ... [2023-11-12 02:29:47,705 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:29:47" (1/1) ... [2023-11-12 02:29:47,727 INFO L138 Inliner]: procedures = 15, calls = 20, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 87 [2023-11-12 02:29:47,728 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:29:47,729 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:29:47,729 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:29:47,729 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:29:47,739 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:29:47" (1/1) ... [2023-11-12 02:29:47,739 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:29:47" (1/1) ... [2023-11-12 02:29:47,742 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:29:47" (1/1) ... [2023-11-12 02:29:47,742 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:29:47" (1/1) ... [2023-11-12 02:29:47,749 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:29:47" (1/1) ... [2023-11-12 02:29:47,753 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:29:47" (1/1) ... [2023-11-12 02:29:47,755 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:29:47" (1/1) ... [2023-11-12 02:29:47,756 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:29:47" (1/1) ... [2023-11-12 02:29:47,758 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:29:47,759 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:29:47,760 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:29:47,760 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:29:47,761 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:29:47" (1/1) ... [2023-11-12 02:29:47,768 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:29:47,784 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:29:47,798 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:29:47,810 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-12 02:29:47,844 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:29:47,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 02:29:47,845 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 02:29:47,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 02:29:47,846 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:29:47,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:29:47,847 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 02:29:47,848 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 02:29:47,917 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:29:47,919 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:29:48,132 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:29:48,140 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:29:48,140 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-12 02:29:48,142 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:29:48 BoogieIcfgContainer [2023-11-12 02:29:48,143 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:29:48,144 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-12 02:29:48,144 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-12 02:29:48,148 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-12 02:29:48,149 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-12 02:29:48,149 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 12.11 02:29:47" (1/3) ... [2023-11-12 02:29:48,150 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7ac0f05c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.11 02:29:48, skipping insertion in model container [2023-11-12 02:29:48,151 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-12 02:29:48,151 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:29:47" (2/3) ... [2023-11-12 02:29:48,151 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7ac0f05c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.11 02:29:48, skipping insertion in model container [2023-11-12 02:29:48,152 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-12 02:29:48,152 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:29:48" (3/3) ... [2023-11-12 02:29:48,153 INFO L332 chiAutomizerObserver]: Analyzing ICFG insertion_sort-1-2.c [2023-11-12 02:29:48,218 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-12 02:29:48,218 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-12 02:29:48,218 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-12 02:29:48,219 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-12 02:29:48,219 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-12 02:29:48,219 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-12 02:29:48,219 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-12 02:29:48,220 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-12 02:29:48,224 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 25 states, 24 states have (on average 1.5) internal successors, (36), 24 states have internal predecessors, (36), 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) [2023-11-12 02:29:48,242 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 16 [2023-11-12 02:29:48,243 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-12 02:29:48,243 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-12 02:29:48,248 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2023-11-12 02:29:48,249 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-12 02:29:48,249 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-12 02:29:48,249 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 25 states, 24 states have (on average 1.5) internal successors, (36), 24 states have internal predecessors, (36), 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) [2023-11-12 02:29:48,252 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 16 [2023-11-12 02:29:48,252 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-12 02:29:48,252 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-12 02:29:48,253 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2023-11-12 02:29:48,253 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-12 02:29:48,261 INFO L748 eck$LassoCheckResult]: Stem: 25#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(21, 2);call #Ultimate.allocInit(12, 3); 3#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet6#1, main_#t~post5#1, main_#t~mem8#1, main_#t~mem11#1, main_#t~mem9#1, main_#t~short10#1, main_#t~post7#1, main_#t~mem13#1, main_#t~mem14#1, main_#t~post12#1, main_~SIZE~0#1, main_~i~0#1, main_~j~0#1, main_~k~0#1, main_~key~0#1, main_~#v~0#1.base, main_~#v~0#1.offset;havoc main_#t~nondet4#1;main_~SIZE~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 13#L15true assume !((if main_~SIZE~0#1 % 4294967296 % 18446744073709551616 <= 9223372036854775807 then main_~SIZE~0#1 % 4294967296 % 18446744073709551616 else main_~SIZE~0#1 % 4294967296 % 18446744073709551616 - 18446744073709551616) >= 1000000000);havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~k~0#1;havoc main_~key~0#1;call main_~#v~0#1.base, main_~#v~0#1.offset := #Ultimate.allocOnStack(4 * main_~SIZE~0#1 % 4294967296);main_~j~0#1 := 0; 24#L20-3true [2023-11-12 02:29:48,261 INFO L750 eck$LassoCheckResult]: Loop: 24#L20-3true assume !!(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);havoc main_#t~nondet6#1;call write~int(main_#t~nondet6#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~nondet6#1; 8#L20-2true main_#t~post5#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 24#L20-3true [2023-11-12 02:29:48,267 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:29:48,268 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2023-11-12 02:29:48,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:29:48,278 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1805640723] [2023-11-12 02:29:48,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:29:48,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:29:48,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:29:48,377 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:29:48,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:29:48,418 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:29:48,422 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:29:48,422 INFO L85 PathProgramCache]: Analyzing trace with hash 1443, now seen corresponding path program 1 times [2023-11-12 02:29:48,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:29:48,423 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1012145345] [2023-11-12 02:29:48,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:29:48,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:29:48,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:29:48,454 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:29:48,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:29:48,469 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:29:48,471 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:29:48,472 INFO L85 PathProgramCache]: Analyzing trace with hash 28695942, now seen corresponding path program 1 times [2023-11-12 02:29:48,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:29:48,473 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1787603443] [2023-11-12 02:29:48,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:29:48,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:29:48,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:29:48,503 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:29:48,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:29:48,547 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:29:49,047 INFO L210 LassoAnalysis]: Preferences: [2023-11-12 02:29:49,048 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-12 02:29:49,048 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-12 02:29:49,049 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-12 02:29:49,049 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-12 02:29:49,049 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:29:49,050 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-12 02:29:49,050 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-12 02:29:49,050 INFO L133 ssoRankerPreferences]: Filename of dumped script: insertion_sort-1-2.c_Iteration1_Lasso [2023-11-12 02:29:49,050 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-12 02:29:49,051 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-12 02:29:49,075 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:29:49,087 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:29:49,090 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:29:49,574 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:29:49,578 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:29:49,583 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:29:49,588 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:29:49,593 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:29:49,597 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:29:49,610 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:29:49,614 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:29:49,618 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:29:49,623 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:29:49,629 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:29:49,633 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:29:49,637 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:29:50,284 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-12 02:29:50,290 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-12 02:29:50,293 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:29:50,293 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:29:50,300 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:29:50,313 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 [2023-11-12 02:29:50,326 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-11-12 02:29:50,328 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:29:50,328 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:29:50,328 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:29:50,329 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:29:50,329 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:29:50,332 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:29:50,332 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:29:50,342 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:29:50,352 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2023-11-12 02:29:50,353 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:29:50,353 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:29:50,354 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:29:50,366 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 [2023-11-12 02:29:50,381 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:29:50,381 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:29:50,381 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:29:50,381 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:29:50,382 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:29:50,381 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-11-12 02:29:50,383 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:29:50,383 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:29:50,392 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:29:50,397 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2023-11-12 02:29:50,397 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:29:50,397 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:29:50,400 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:29:50,407 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-11-12 02:29:50,407 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 [2023-11-12 02:29:50,422 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:29:50,422 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:29:50,423 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:29:50,423 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:29:50,429 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:29:50,430 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:29:50,443 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:29:50,449 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2023-11-12 02:29:50,449 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:29:50,450 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:29:50,452 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:29:50,467 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 [2023-11-12 02:29:50,482 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-11-12 02:29:50,483 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:29:50,483 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:29:50,483 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:29:50,483 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:29:50,483 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:29:50,485 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:29:50,486 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:29:50,512 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:29:50,520 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2023-11-12 02:29:50,522 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:29:50,522 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:29:50,524 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:29:50,534 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 [2023-11-12 02:29:50,536 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2023-11-12 02:29:50,548 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:29:50,548 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:29:50,549 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:29:50,549 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:29:50,557 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:29:50,557 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:29:50,572 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:29:50,581 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2023-11-12 02:29:50,582 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:29:50,582 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:29:50,583 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:29:50,589 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2023-11-12 02:29:50,589 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:29:50,603 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:29:50,603 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:29:50,603 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:29:50,604 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:29:50,634 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:29:50,635 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:29:50,661 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-12 02:29:50,705 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2023-11-12 02:29:50,705 INFO L444 ModelExtractionUtils]: 4 out of 16 variables were initially zero. Simplification set additionally 8 variables to zero. [2023-11-12 02:29:50,707 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:29:50,707 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:29:50,740 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:29:50,754 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-12 02:29:50,768 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2023-11-12 02:29:50,777 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2023-11-12 02:29:50,778 INFO L513 LassoAnalysis]: Proved termination. [2023-11-12 02:29:50,778 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_~#v~0#1.base)_1, ULTIMATE.start_main_~j~0#1) = 1*v_rep(select #length ULTIMATE.start_main_~#v~0#1.base)_1 - 4*ULTIMATE.start_main_~j~0#1 Supporting invariants [1*ULTIMATE.start_main_~#v~0#1.offset >= 0] [2023-11-12 02:29:50,789 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2023-11-12 02:29:50,829 INFO L156 tatePredicateManager]: 6 out of 7 supporting invariants were superfluous and have been removed [2023-11-12 02:29:50,842 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[~#v~0!base] could not be translated [2023-11-12 02:29:50,878 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:29:50,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:29:50,903 INFO L262 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-12 02:29:50,905 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:29:50,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:29:50,930 INFO L262 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-12 02:29:50,931 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:29:50,975 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:29:51,030 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 [2023-11-12 02:29:51,033 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 25 states, 24 states have (on average 1.5) internal successors, (36), 24 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:29:51,146 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 25 states, 24 states have (on average 1.5) internal successors, (36), 24 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 51 states and 73 transitions. Complement of second has 8 states. [2023-11-12 02:29:51,148 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 [2023-11-12 02:29:51,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:29:51,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 38 transitions. [2023-11-12 02:29:51,160 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 38 transitions. Stem has 3 letters. Loop has 2 letters. [2023-11-12 02:29:51,161 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-12 02:29:51,161 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 38 transitions. Stem has 5 letters. Loop has 2 letters. [2023-11-12 02:29:51,162 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-12 02:29:51,162 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 38 transitions. Stem has 3 letters. Loop has 4 letters. [2023-11-12 02:29:51,162 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-12 02:29:51,163 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 51 states and 73 transitions. [2023-11-12 02:29:51,177 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 14 [2023-11-12 02:29:51,184 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 51 states to 22 states and 31 transitions. [2023-11-12 02:29:51,185 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 19 [2023-11-12 02:29:51,186 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2023-11-12 02:29:51,187 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 31 transitions. [2023-11-12 02:29:51,188 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:29:51,188 INFO L218 hiAutomatonCegarLoop]: Abstraction has 22 states and 31 transitions. [2023-11-12 02:29:51,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states and 31 transitions. [2023-11-12 02:29:51,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2023-11-12 02:29:51,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 22 states have (on average 1.4090909090909092) internal successors, (31), 21 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) [2023-11-12 02:29:51,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 31 transitions. [2023-11-12 02:29:51,232 INFO L240 hiAutomatonCegarLoop]: Abstraction has 22 states and 31 transitions. [2023-11-12 02:29:51,232 INFO L428 stractBuchiCegarLoop]: Abstraction has 22 states and 31 transitions. [2023-11-12 02:29:51,232 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-12 02:29:51,232 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 31 transitions. [2023-11-12 02:29:51,236 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 14 [2023-11-12 02:29:51,236 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-12 02:29:51,236 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-12 02:29:51,237 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2023-11-12 02:29:51,237 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2023-11-12 02:29:51,237 INFO L748 eck$LassoCheckResult]: Stem: 172#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(21, 2);call #Ultimate.allocInit(12, 3); 164#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet6#1, main_#t~post5#1, main_#t~mem8#1, main_#t~mem11#1, main_#t~mem9#1, main_#t~short10#1, main_#t~post7#1, main_#t~mem13#1, main_#t~mem14#1, main_#t~post12#1, main_~SIZE~0#1, main_~i~0#1, main_~j~0#1, main_~k~0#1, main_~key~0#1, main_~#v~0#1.base, main_~#v~0#1.offset;havoc main_#t~nondet4#1;main_~SIZE~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 156#L15 assume !((if main_~SIZE~0#1 % 4294967296 % 18446744073709551616 <= 9223372036854775807 then main_~SIZE~0#1 % 4294967296 % 18446744073709551616 else main_~SIZE~0#1 % 4294967296 % 18446744073709551616 - 18446744073709551616) >= 1000000000);havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~k~0#1;havoc main_~key~0#1;call main_~#v~0#1.base, main_~#v~0#1.offset := #Ultimate.allocOnStack(4 * main_~SIZE~0#1 % 4294967296);main_~j~0#1 := 0; 157#L20-3 assume !(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296); 165#L20-4 main_~j~0#1 := 1; 163#L22-3 [2023-11-12 02:29:51,238 INFO L750 eck$LassoCheckResult]: Loop: 163#L22-3 assume !!(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);call main_#t~mem8#1 := read~int(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);main_~key~0#1 := main_#t~mem8#1;havoc main_#t~mem8#1;main_~i~0#1 := main_~j~0#1 - 1; 166#L25-5 assume !true; 154#L25-6 call write~int(main_~key~0#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * (1 + main_~i~0#1), 4); 162#L22-2 main_#t~post7#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1; 163#L22-3 [2023-11-12 02:29:51,241 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:29:51,241 INFO L85 PathProgramCache]: Analyzing trace with hash 28695884, now seen corresponding path program 1 times [2023-11-12 02:29:51,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:29:51,242 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1475267433] [2023-11-12 02:29:51,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:29:51,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:29:51,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:29:51,272 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:29:51,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:29:51,302 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:29:51,302 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:29:51,303 INFO L85 PathProgramCache]: Analyzing trace with hash 1841148, now seen corresponding path program 1 times [2023-11-12 02:29:51,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:29:51,303 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [776937874] [2023-11-12 02:29:51,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:29:51,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:29:51,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:29:51,376 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:29:51,377 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:29:51,377 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [776937874] [2023-11-12 02:29:51,379 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [776937874] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:29:51,379 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:29:51,380 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 02:29:51,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1728958548] [2023-11-12 02:29:51,381 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:29:51,384 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-12 02:29:51,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:29:51,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-12 02:29:51,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 02:29:51,389 INFO L87 Difference]: Start difference. First operand 22 states and 31 transitions. cyclomatic complexity: 12 Second operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 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) [2023-11-12 02:29:51,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:29:51,397 INFO L93 Difference]: Finished difference Result 21 states and 27 transitions. [2023-11-12 02:29:51,397 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 27 transitions. [2023-11-12 02:29:51,400 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 12 [2023-11-12 02:29:51,406 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 20 states and 26 transitions. [2023-11-12 02:29:51,407 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18 [2023-11-12 02:29:51,407 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2023-11-12 02:29:51,408 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 26 transitions. [2023-11-12 02:29:51,408 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:29:51,408 INFO L218 hiAutomatonCegarLoop]: Abstraction has 20 states and 26 transitions. [2023-11-12 02:29:51,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 26 transitions. [2023-11-12 02:29:51,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2023-11-12 02:29:51,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 20 states have (on average 1.3) internal successors, (26), 19 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:29:51,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 26 transitions. [2023-11-12 02:29:51,418 INFO L240 hiAutomatonCegarLoop]: Abstraction has 20 states and 26 transitions. [2023-11-12 02:29:51,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-12 02:29:51,419 INFO L428 stractBuchiCegarLoop]: Abstraction has 20 states and 26 transitions. [2023-11-12 02:29:51,419 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-11-12 02:29:51,419 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 26 transitions. [2023-11-12 02:29:51,421 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 12 [2023-11-12 02:29:51,424 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-12 02:29:51,424 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-12 02:29:51,425 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2023-11-12 02:29:51,425 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2023-11-12 02:29:51,425 INFO L748 eck$LassoCheckResult]: Stem: 218#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(21, 2);call #Ultimate.allocInit(12, 3); 212#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet6#1, main_#t~post5#1, main_#t~mem8#1, main_#t~mem11#1, main_#t~mem9#1, main_#t~short10#1, main_#t~post7#1, main_#t~mem13#1, main_#t~mem14#1, main_#t~post12#1, main_~SIZE~0#1, main_~i~0#1, main_~j~0#1, main_~k~0#1, main_~key~0#1, main_~#v~0#1.base, main_~#v~0#1.offset;havoc main_#t~nondet4#1;main_~SIZE~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 204#L15 assume !((if main_~SIZE~0#1 % 4294967296 % 18446744073709551616 <= 9223372036854775807 then main_~SIZE~0#1 % 4294967296 % 18446744073709551616 else main_~SIZE~0#1 % 4294967296 % 18446744073709551616 - 18446744073709551616) >= 1000000000);havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~k~0#1;havoc main_~key~0#1;call main_~#v~0#1.base, main_~#v~0#1.offset := #Ultimate.allocOnStack(4 * main_~SIZE~0#1 % 4294967296);main_~j~0#1 := 0; 205#L20-3 assume !(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296); 213#L20-4 main_~j~0#1 := 1; 211#L22-3 [2023-11-12 02:29:51,425 INFO L750 eck$LassoCheckResult]: Loop: 211#L22-3 assume !!(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);call main_#t~mem8#1 := read~int(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);main_~key~0#1 := main_#t~mem8#1;havoc main_#t~mem8#1;main_~i~0#1 := main_~j~0#1 - 1; 214#L25-5 main_#t~short10#1 := main_~i~0#1 >= 0; 206#L25-1 assume main_#t~short10#1;call main_#t~mem9#1 := read~int(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~i~0#1, 4);main_#t~short10#1 := main_#t~mem9#1 > main_~key~0#1; 201#L25-3 assume !main_#t~short10#1;havoc main_#t~mem9#1;havoc main_#t~short10#1; 202#L25-6 call write~int(main_~key~0#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * (1 + main_~i~0#1), 4); 210#L22-2 main_#t~post7#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1; 211#L22-3 [2023-11-12 02:29:51,426 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:29:51,426 INFO L85 PathProgramCache]: Analyzing trace with hash 28695884, now seen corresponding path program 2 times [2023-11-12 02:29:51,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:29:51,427 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1992373715] [2023-11-12 02:29:51,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:29:51,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:29:51,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:29:51,449 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:29:51,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:29:51,474 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:29:51,474 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:29:51,475 INFO L85 PathProgramCache]: Analyzing trace with hash 1750294158, now seen corresponding path program 1 times [2023-11-12 02:29:51,475 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:29:51,475 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1768984592] [2023-11-12 02:29:51,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:29:51,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:29:51,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:29:51,498 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:29:51,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:29:51,512 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:29:51,513 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:29:51,514 INFO L85 PathProgramCache]: Analyzing trace with hash -823994471, now seen corresponding path program 1 times [2023-11-12 02:29:51,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:29:51,514 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2084068302] [2023-11-12 02:29:51,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:29:51,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:29:51,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:29:51,829 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:29:51,829 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:29:51,829 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2084068302] [2023-11-12 02:29:51,830 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2084068302] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:29:51,830 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:29:51,830 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-12 02:29:51,830 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1490347458] [2023-11-12 02:29:51,830 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:29:52,076 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:29:52,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-12 02:29:52,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-12 02:29:52,077 INFO L87 Difference]: Start difference. First operand 20 states and 26 transitions. cyclomatic complexity: 9 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) [2023-11-12 02:29:52,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:29:52,146 INFO L93 Difference]: Finished difference Result 25 states and 30 transitions. [2023-11-12 02:29:52,146 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 25 states and 30 transitions. [2023-11-12 02:29:52,147 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 12 [2023-11-12 02:29:52,148 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 25 states to 21 states and 26 transitions. [2023-11-12 02:29:52,148 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18 [2023-11-12 02:29:52,148 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2023-11-12 02:29:52,149 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 26 transitions. [2023-11-12 02:29:52,149 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:29:52,149 INFO L218 hiAutomatonCegarLoop]: Abstraction has 21 states and 26 transitions. [2023-11-12 02:29:52,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states and 26 transitions. [2023-11-12 02:29:52,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 20. [2023-11-12 02:29:52,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 20 states have (on average 1.25) internal successors, (25), 19 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:29:52,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 25 transitions. [2023-11-12 02:29:52,152 INFO L240 hiAutomatonCegarLoop]: Abstraction has 20 states and 25 transitions. [2023-11-12 02:29:52,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-12 02:29:52,154 INFO L428 stractBuchiCegarLoop]: Abstraction has 20 states and 25 transitions. [2023-11-12 02:29:52,154 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2023-11-12 02:29:52,154 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 25 transitions. [2023-11-12 02:29:52,155 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 12 [2023-11-12 02:29:52,155 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-12 02:29:52,155 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-12 02:29:52,155 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:29:52,156 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2023-11-12 02:29:52,156 INFO L748 eck$LassoCheckResult]: Stem: 275#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(21, 2);call #Ultimate.allocInit(12, 3); 267#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet6#1, main_#t~post5#1, main_#t~mem8#1, main_#t~mem11#1, main_#t~mem9#1, main_#t~short10#1, main_#t~post7#1, main_#t~mem13#1, main_#t~mem14#1, main_#t~post12#1, main_~SIZE~0#1, main_~i~0#1, main_~j~0#1, main_~k~0#1, main_~key~0#1, main_~#v~0#1.base, main_~#v~0#1.offset;havoc main_#t~nondet4#1;main_~SIZE~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 261#L15 assume !((if main_~SIZE~0#1 % 4294967296 % 18446744073709551616 <= 9223372036854775807 then main_~SIZE~0#1 % 4294967296 % 18446744073709551616 else main_~SIZE~0#1 % 4294967296 % 18446744073709551616 - 18446744073709551616) >= 1000000000);havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~k~0#1;havoc main_~key~0#1;call main_~#v~0#1.base, main_~#v~0#1.offset := #Ultimate.allocOnStack(4 * main_~SIZE~0#1 % 4294967296);main_~j~0#1 := 0; 262#L20-3 assume !!(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);havoc main_#t~nondet6#1;call write~int(main_#t~nondet6#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~nondet6#1; 273#L20-2 main_#t~post5#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 274#L20-3 assume !(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296); 270#L20-4 main_~j~0#1 := 1; 269#L22-3 [2023-11-12 02:29:52,156 INFO L750 eck$LassoCheckResult]: Loop: 269#L22-3 assume !!(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);call main_#t~mem8#1 := read~int(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);main_~key~0#1 := main_#t~mem8#1;havoc main_#t~mem8#1;main_~i~0#1 := main_~j~0#1 - 1; 271#L25-5 main_#t~short10#1 := main_~i~0#1 >= 0; 263#L25-1 assume main_#t~short10#1;call main_#t~mem9#1 := read~int(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~i~0#1, 4);main_#t~short10#1 := main_#t~mem9#1 > main_~key~0#1; 258#L25-3 assume !main_#t~short10#1;havoc main_#t~mem9#1;havoc main_#t~short10#1; 259#L25-6 call write~int(main_~key~0#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * (1 + main_~i~0#1), 4); 268#L22-2 main_#t~post7#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1; 269#L22-3 [2023-11-12 02:29:52,157 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:29:52,157 INFO L85 PathProgramCache]: Analyzing trace with hash 1806996910, now seen corresponding path program 1 times [2023-11-12 02:29:52,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:29:52,157 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1653415383] [2023-11-12 02:29:52,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:29:52,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:29:52,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:29:52,172 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:29:52,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:29:52,189 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:29:52,189 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:29:52,189 INFO L85 PathProgramCache]: Analyzing trace with hash 1750294158, now seen corresponding path program 2 times [2023-11-12 02:29:52,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:29:52,190 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [45942684] [2023-11-12 02:29:52,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:29:52,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:29:52,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:29:52,200 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:29:52,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:29:52,210 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:29:52,211 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:29:52,211 INFO L85 PathProgramCache]: Analyzing trace with hash -48611717, now seen corresponding path program 1 times [2023-11-12 02:29:52,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:29:52,212 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [322957250] [2023-11-12 02:29:52,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:29:52,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:29:52,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:29:52,408 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2023-11-12 02:29:52,492 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:29:52,493 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:29:52,493 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [322957250] [2023-11-12 02:29:52,494 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [322957250] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 02:29:52,495 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [198055079] [2023-11-12 02:29:52,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:29:52,495 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:29:52,495 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:29:52,497 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:29:52,520 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-12 02:29:52,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:29:52,584 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-12 02:29:52,586 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:29:52,697 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:29:52,697 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 02:29:53,034 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:29:53,035 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [198055079] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 02:29:53,035 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-12 02:29:53,036 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 10 [2023-11-12 02:29:53,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [955401462] [2023-11-12 02:29:53,039 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-12 02:29:53,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:29:53,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-12 02:29:53,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2023-11-12 02:29:53,260 INFO L87 Difference]: Start difference. First operand 20 states and 25 transitions. cyclomatic complexity: 8 Second operand has 10 states, 10 states have (on average 2.1) internal successors, (21), 10 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:29:53,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:29:53,380 INFO L93 Difference]: Finished difference Result 38 states and 48 transitions. [2023-11-12 02:29:53,380 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 38 states and 48 transitions. [2023-11-12 02:29:53,381 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 21 [2023-11-12 02:29:53,382 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 38 states to 38 states and 48 transitions. [2023-11-12 02:29:53,382 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 33 [2023-11-12 02:29:53,382 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 33 [2023-11-12 02:29:53,383 INFO L73 IsDeterministic]: Start isDeterministic. Operand 38 states and 48 transitions. [2023-11-12 02:29:53,383 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:29:53,383 INFO L218 hiAutomatonCegarLoop]: Abstraction has 38 states and 48 transitions. [2023-11-12 02:29:53,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states and 48 transitions. [2023-11-12 02:29:53,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 24. [2023-11-12 02:29:53,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 24 states have (on average 1.25) internal successors, (30), 23 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:29:53,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 30 transitions. [2023-11-12 02:29:53,386 INFO L240 hiAutomatonCegarLoop]: Abstraction has 24 states and 30 transitions. [2023-11-12 02:29:53,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-12 02:29:53,393 INFO L428 stractBuchiCegarLoop]: Abstraction has 24 states and 30 transitions. [2023-11-12 02:29:53,393 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2023-11-12 02:29:53,394 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 24 states and 30 transitions. [2023-11-12 02:29:53,397 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 12 [2023-11-12 02:29:53,398 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-12 02:29:53,398 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-12 02:29:53,399 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:29:53,399 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2023-11-12 02:29:53,399 INFO L748 eck$LassoCheckResult]: Stem: 423#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(21, 2);call #Ultimate.allocInit(12, 3); 414#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet6#1, main_#t~post5#1, main_#t~mem8#1, main_#t~mem11#1, main_#t~mem9#1, main_#t~short10#1, main_#t~post7#1, main_#t~mem13#1, main_#t~mem14#1, main_#t~post12#1, main_~SIZE~0#1, main_~i~0#1, main_~j~0#1, main_~k~0#1, main_~key~0#1, main_~#v~0#1.base, main_~#v~0#1.offset;havoc main_#t~nondet4#1;main_~SIZE~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 407#L15 assume !((if main_~SIZE~0#1 % 4294967296 % 18446744073709551616 <= 9223372036854775807 then main_~SIZE~0#1 % 4294967296 % 18446744073709551616 else main_~SIZE~0#1 % 4294967296 % 18446744073709551616 - 18446744073709551616) >= 1000000000);havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~k~0#1;havoc main_~key~0#1;call main_~#v~0#1.base, main_~#v~0#1.offset := #Ultimate.allocOnStack(4 * main_~SIZE~0#1 % 4294967296);main_~j~0#1 := 0; 408#L20-3 assume !!(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);havoc main_#t~nondet6#1;call write~int(main_#t~nondet6#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~nondet6#1; 419#L20-2 main_#t~post5#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 424#L20-3 assume !(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296); 416#L20-4 main_~j~0#1 := 1; 417#L22-3 assume !(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296); 410#L22-4 main_~k~0#1 := 1; 411#L32-3 [2023-11-12 02:29:53,400 INFO L750 eck$LassoCheckResult]: Loop: 411#L32-3 assume !!(main_~k~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);call main_#t~mem13#1 := read~int(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * (main_~k~0#1 - 1), 4);call main_#t~mem14#1 := read~int(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~k~0#1, 4);assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_#t~mem13#1 <= main_#t~mem14#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 418#L6 assume !(0 == __VERIFIER_assert_~cond#1); 401#L6-2 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;havoc main_#t~mem13#1;havoc main_#t~mem14#1; 402#L32-2 main_#t~post12#1 := main_~k~0#1;main_~k~0#1 := 1 + main_#t~post12#1;havoc main_#t~post12#1; 411#L32-3 [2023-11-12 02:29:53,400 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:29:53,401 INFO L85 PathProgramCache]: Analyzing trace with hash 1357243825, now seen corresponding path program 1 times [2023-11-12 02:29:53,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:29:53,401 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [626624687] [2023-11-12 02:29:53,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:29:53,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:29:53,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:29:53,428 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:29:53,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:29:53,446 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:29:53,447 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:29:53,448 INFO L85 PathProgramCache]: Analyzing trace with hash 3087436, now seen corresponding path program 1 times [2023-11-12 02:29:53,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:29:53,448 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [125354997] [2023-11-12 02:29:53,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:29:53,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:29:53,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:29:53,467 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:29:53,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:29:53,480 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:29:53,481 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:29:53,481 INFO L85 PathProgramCache]: Analyzing trace with hash -78992900, now seen corresponding path program 1 times [2023-11-12 02:29:53,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:29:53,481 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [42468399] [2023-11-12 02:29:53,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:29:53,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:29:53,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:29:53,725 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:29:53,725 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:29:53,725 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [42468399] [2023-11-12 02:29:53,725 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [42468399] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 02:29:53,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1556337293] [2023-11-12 02:29:53,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:29:53,726 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:29:53,726 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:29:53,728 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:29:53,732 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-11-12 02:29:53,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:29:53,798 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-12 02:29:53,800 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:29:53,852 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-12 02:29:53,853 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:29:53,853 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1556337293] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:29:53,853 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-12 02:29:53,853 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 8 [2023-11-12 02:29:53,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [209348417] [2023-11-12 02:29:53,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:29:53,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:29:53,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-12 02:29:53,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-11-12 02:29:53,966 INFO L87 Difference]: Start difference. First operand 24 states and 30 transitions. cyclomatic complexity: 9 Second operand has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 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) [2023-11-12 02:29:54,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:29:54,048 INFO L93 Difference]: Finished difference Result 34 states and 43 transitions. [2023-11-12 02:29:54,048 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 34 states and 43 transitions. [2023-11-12 02:29:54,049 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 17 [2023-11-12 02:29:54,050 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 34 states to 30 states and 38 transitions. [2023-11-12 02:29:54,050 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 26 [2023-11-12 02:29:54,051 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 26 [2023-11-12 02:29:54,051 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 38 transitions. [2023-11-12 02:29:54,051 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:29:54,051 INFO L218 hiAutomatonCegarLoop]: Abstraction has 30 states and 38 transitions. [2023-11-12 02:29:54,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states and 38 transitions. [2023-11-12 02:29:54,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 23. [2023-11-12 02:29:54,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 23 states have (on average 1.2173913043478262) internal successors, (28), 22 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:29:54,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 28 transitions. [2023-11-12 02:29:54,054 INFO L240 hiAutomatonCegarLoop]: Abstraction has 23 states and 28 transitions. [2023-11-12 02:29:54,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-12 02:29:54,060 INFO L428 stractBuchiCegarLoop]: Abstraction has 23 states and 28 transitions. [2023-11-12 02:29:54,060 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2023-11-12 02:29:54,060 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 23 states and 28 transitions. [2023-11-12 02:29:54,061 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 12 [2023-11-12 02:29:54,061 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-12 02:29:54,062 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-12 02:29:54,062 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1] [2023-11-12 02:29:54,063 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2023-11-12 02:29:54,063 INFO L748 eck$LassoCheckResult]: Stem: 533#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(21, 2);call #Ultimate.allocInit(12, 3); 523#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet6#1, main_#t~post5#1, main_#t~mem8#1, main_#t~mem11#1, main_#t~mem9#1, main_#t~short10#1, main_#t~post7#1, main_#t~mem13#1, main_#t~mem14#1, main_#t~post12#1, main_~SIZE~0#1, main_~i~0#1, main_~j~0#1, main_~k~0#1, main_~key~0#1, main_~#v~0#1.base, main_~#v~0#1.offset;havoc main_#t~nondet4#1;main_~SIZE~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 517#L15 assume !((if main_~SIZE~0#1 % 4294967296 % 18446744073709551616 <= 9223372036854775807 then main_~SIZE~0#1 % 4294967296 % 18446744073709551616 else main_~SIZE~0#1 % 4294967296 % 18446744073709551616 - 18446744073709551616) >= 1000000000);havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~k~0#1;havoc main_~key~0#1;call main_~#v~0#1.base, main_~#v~0#1.offset := #Ultimate.allocOnStack(4 * main_~SIZE~0#1 % 4294967296);main_~j~0#1 := 0; 518#L20-3 assume !!(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);havoc main_#t~nondet6#1;call write~int(main_#t~nondet6#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~nondet6#1; 530#L20-2 main_#t~post5#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 531#L20-3 assume !!(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);havoc main_#t~nondet6#1;call write~int(main_#t~nondet6#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~nondet6#1; 532#L20-2 main_#t~post5#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 534#L20-3 assume !(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296); 526#L20-4 main_~j~0#1 := 1; 527#L22-3 assume !!(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);call main_#t~mem8#1 := read~int(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);main_~key~0#1 := main_#t~mem8#1;havoc main_#t~mem8#1;main_~i~0#1 := main_~j~0#1 - 1; 528#L25-5 [2023-11-12 02:29:54,063 INFO L750 eck$LassoCheckResult]: Loop: 528#L25-5 main_#t~short10#1 := main_~i~0#1 >= 0; 519#L25-1 assume main_#t~short10#1;call main_#t~mem9#1 := read~int(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~i~0#1, 4);main_#t~short10#1 := main_#t~mem9#1 > main_~key~0#1; 514#L25-3 assume !!main_#t~short10#1;havoc main_#t~mem9#1;havoc main_#t~short10#1; 516#L26 assume main_~i~0#1 < 2;call main_#t~mem11#1 := read~int(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~i~0#1, 4);call write~int(main_#t~mem11#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * (1 + main_~i~0#1), 4);havoc main_#t~mem11#1; 520#L26-2 main_~i~0#1 := main_~i~0#1 - 1; 528#L25-5 [2023-11-12 02:29:54,064 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:29:54,064 INFO L85 PathProgramCache]: Analyzing trace with hash -873401203, now seen corresponding path program 1 times [2023-11-12 02:29:54,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:29:54,065 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [960159965] [2023-11-12 02:29:54,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:29:54,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:29:54,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:29:54,091 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:29:54,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:29:54,114 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:29:54,117 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:29:54,117 INFO L85 PathProgramCache]: Analyzing trace with hash 61175917, now seen corresponding path program 1 times [2023-11-12 02:29:54,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:29:54,118 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1259212709] [2023-11-12 02:29:54,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:29:54,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:29:54,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:29:54,127 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:29:54,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:29:54,141 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:29:54,141 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:29:54,142 INFO L85 PathProgramCache]: Analyzing trace with hash 2064874337, now seen corresponding path program 1 times [2023-11-12 02:29:54,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:29:54,142 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2075797744] [2023-11-12 02:29:54,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:29:54,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:29:54,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:29:54,180 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:29:54,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:29:54,204 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:29:55,000 INFO L210 LassoAnalysis]: Preferences: [2023-11-12 02:29:55,000 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-12 02:29:55,000 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-12 02:29:55,000 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-12 02:29:55,000 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-12 02:29:55,000 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:29:55,000 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-12 02:29:55,001 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-12 02:29:55,001 INFO L133 ssoRankerPreferences]: Filename of dumped script: insertion_sort-1-2.c_Iteration6_Lasso [2023-11-12 02:29:55,001 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-12 02:29:55,001 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-12 02:29:55,004 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:29:55,007 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:29:55,009 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:29:55,012 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:29:55,016 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:29:55,019 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:29:55,026 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:29:55,029 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:29:55,032 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:29:55,594 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:29:55,597 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:29:55,601 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:29:55,605 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:29:55,609 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:29:55,612 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:29:56,117 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-12 02:29:56,124 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-12 02:29:56,124 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:29:56,125 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:29:56,132 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:29:56,150 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 [2023-11-12 02:29:56,163 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2023-11-12 02:29:56,164 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:29:56,164 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:29:56,165 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:29:56,165 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:29:56,165 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:29:56,166 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:29:56,166 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:29:56,180 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:29:56,189 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2023-11-12 02:29:56,190 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:29:56,190 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:29:56,192 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:29:56,197 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:29:56,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2023-11-12 02:29:56,212 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:29:56,212 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:29:56,212 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:29:56,212 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:29:56,212 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:29:56,213 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:29:56,213 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:29:56,222 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:29:56,231 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2023-11-12 02:29:56,232 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:29:56,232 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:29:56,234 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:29:56,243 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2023-11-12 02:29:56,243 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:29:56,258 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:29:56,258 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:29:56,258 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:29:56,258 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:29:56,258 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:29:56,259 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:29:56,259 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:29:56,272 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:29:56,276 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2023-11-12 02:29:56,277 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:29:56,277 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:29:56,278 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:29:56,284 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 [2023-11-12 02:29:56,298 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2023-11-12 02:29:56,298 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:29:56,298 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:29:56,298 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:29:56,299 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:29:56,301 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:29:56,301 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:29:56,312 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:29:56,321 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2023-11-12 02:29:56,322 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:29:56,322 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:29:56,323 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:29:56,327 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 [2023-11-12 02:29:56,340 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2023-11-12 02:29:56,341 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:29:56,341 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:29:56,341 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:29:56,341 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:29:56,341 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:29:56,342 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:29:56,342 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:29:56,351 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:29:56,360 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2023-11-12 02:29:56,360 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:29:56,360 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:29:56,362 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:29:56,365 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2023-11-12 02:29:56,367 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 [2023-11-12 02:29:56,381 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:29:56,381 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:29:56,381 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:29:56,381 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:29:56,381 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:29:56,382 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:29:56,383 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:29:56,392 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:29:56,401 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2023-11-12 02:29:56,401 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:29:56,401 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:29:56,403 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:29:56,413 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 [2023-11-12 02:29:56,425 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2023-11-12 02:29:56,426 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:29:56,426 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:29:56,426 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:29:56,426 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:29:56,427 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:29:56,427 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:29:56,427 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:29:56,436 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:29:56,446 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2023-11-12 02:29:56,446 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:29:56,446 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:29:56,447 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:29:56,458 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 [2023-11-12 02:29:56,471 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:29:56,471 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:29:56,471 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:29:56,471 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:29:56,471 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:29:56,472 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:29:56,472 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:29:56,472 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2023-11-12 02:29:56,481 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:29:56,489 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2023-11-12 02:29:56,490 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:29:56,490 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:29:56,491 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:29:56,501 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 [2023-11-12 02:29:56,508 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2023-11-12 02:29:56,514 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:29:56,515 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:29:56,515 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:29:56,515 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:29:56,523 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:29:56,523 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:29:56,544 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-12 02:29:56,571 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2023-11-12 02:29:56,571 INFO L444 ModelExtractionUtils]: 3 out of 16 variables were initially zero. Simplification set additionally 10 variables to zero. [2023-11-12 02:29:56,572 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:29:56,572 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:29:56,576 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:29:56,588 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-12 02:29:56,604 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2023-11-12 02:29:56,610 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-12 02:29:56,610 INFO L513 LassoAnalysis]: Proved termination. [2023-11-12 02:29:56,610 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1) = 2*ULTIMATE.start_main_~i~0#1 + 1 Supporting invariants [] [2023-11-12 02:29:56,620 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2023-11-12 02:29:56,641 INFO L156 tatePredicateManager]: 5 out of 5 supporting invariants were superfluous and have been removed [2023-11-12 02:29:56,658 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:29:56,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:29:56,684 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-12 02:29:56,686 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:29:56,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:29:56,716 INFO L262 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-12 02:29:56,717 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:29:56,787 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:29:56,788 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2023-11-12 02:29:56,788 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 23 states and 28 transitions. cyclomatic complexity: 8 Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 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) [2023-11-12 02:29:56,863 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 23 states and 28 transitions. cyclomatic complexity: 8. Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 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 67 states and 83 transitions. Complement of second has 9 states. [2023-11-12 02:29:56,864 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 [2023-11-12 02:29:56,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 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) [2023-11-12 02:29:56,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 34 transitions. [2023-11-12 02:29:56,866 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 34 transitions. Stem has 10 letters. Loop has 5 letters. [2023-11-12 02:29:56,866 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-12 02:29:56,866 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 34 transitions. Stem has 15 letters. Loop has 5 letters. [2023-11-12 02:29:56,866 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-12 02:29:56,867 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 34 transitions. Stem has 10 letters. Loop has 10 letters. [2023-11-12 02:29:56,867 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-12 02:29:56,867 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 67 states and 83 transitions. [2023-11-12 02:29:56,869 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 20 [2023-11-12 02:29:56,871 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 67 states to 49 states and 61 transitions. [2023-11-12 02:29:56,872 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 38 [2023-11-12 02:29:56,872 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 39 [2023-11-12 02:29:56,872 INFO L73 IsDeterministic]: Start isDeterministic. Operand 49 states and 61 transitions. [2023-11-12 02:29:56,872 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-12 02:29:56,873 INFO L218 hiAutomatonCegarLoop]: Abstraction has 49 states and 61 transitions. [2023-11-12 02:29:56,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states and 61 transitions. [2023-11-12 02:29:56,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 31. [2023-11-12 02:29:56,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 31 states have (on average 1.3225806451612903) internal successors, (41), 30 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:29:56,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 41 transitions. [2023-11-12 02:29:56,879 INFO L240 hiAutomatonCegarLoop]: Abstraction has 31 states and 41 transitions. [2023-11-12 02:29:56,879 INFO L428 stractBuchiCegarLoop]: Abstraction has 31 states and 41 transitions. [2023-11-12 02:29:56,879 INFO L335 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2023-11-12 02:29:56,879 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 31 states and 41 transitions. [2023-11-12 02:29:56,880 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 12 [2023-11-12 02:29:56,880 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-12 02:29:56,880 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-12 02:29:56,881 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:29:56,881 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2023-11-12 02:29:56,881 INFO L748 eck$LassoCheckResult]: Stem: 721#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(21, 2);call #Ultimate.allocInit(12, 3); 711#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet6#1, main_#t~post5#1, main_#t~mem8#1, main_#t~mem11#1, main_#t~mem9#1, main_#t~short10#1, main_#t~post7#1, main_#t~mem13#1, main_#t~mem14#1, main_#t~post12#1, main_~SIZE~0#1, main_~i~0#1, main_~j~0#1, main_~k~0#1, main_~key~0#1, main_~#v~0#1.base, main_~#v~0#1.offset;havoc main_#t~nondet4#1;main_~SIZE~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 702#L15 assume !((if main_~SIZE~0#1 % 4294967296 % 18446744073709551616 <= 9223372036854775807 then main_~SIZE~0#1 % 4294967296 % 18446744073709551616 else main_~SIZE~0#1 % 4294967296 % 18446744073709551616 - 18446744073709551616) >= 1000000000);havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~k~0#1;havoc main_~key~0#1;call main_~#v~0#1.base, main_~#v~0#1.offset := #Ultimate.allocOnStack(4 * main_~SIZE~0#1 % 4294967296);main_~j~0#1 := 0; 703#L20-3 assume !!(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);havoc main_#t~nondet6#1;call write~int(main_#t~nondet6#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~nondet6#1; 718#L20-2 main_#t~post5#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 719#L20-3 assume !!(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);havoc main_#t~nondet6#1;call write~int(main_#t~nondet6#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~nondet6#1; 720#L20-2 main_#t~post5#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 724#L20-3 assume !(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296); 715#L20-4 main_~j~0#1 := 1; 716#L22-3 assume !!(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);call main_#t~mem8#1 := read~int(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);main_~key~0#1 := main_#t~mem8#1;havoc main_#t~mem8#1;main_~i~0#1 := main_~j~0#1 - 1; 722#L25-5 main_#t~short10#1 := main_~i~0#1 >= 0; 700#L25-1 assume !main_#t~short10#1; 696#L25-3 assume !main_#t~short10#1;havoc main_#t~mem9#1;havoc main_#t~short10#1; 697#L25-6 [2023-11-12 02:29:56,881 INFO L750 eck$LassoCheckResult]: Loop: 697#L25-6 call write~int(main_~key~0#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * (1 + main_~i~0#1), 4); 709#L22-2 main_#t~post7#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1; 710#L22-3 assume !!(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);call main_#t~mem8#1 := read~int(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);main_~key~0#1 := main_#t~mem8#1;havoc main_#t~mem8#1;main_~i~0#1 := main_~j~0#1 - 1; 712#L25-5 main_#t~short10#1 := main_~i~0#1 >= 0; 713#L25-1 assume main_#t~short10#1;call main_#t~mem9#1 := read~int(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~i~0#1, 4);main_#t~short10#1 := main_#t~mem9#1 > main_~key~0#1; 723#L25-3 assume !main_#t~short10#1;havoc main_#t~mem9#1;havoc main_#t~short10#1; 697#L25-6 [2023-11-12 02:29:56,881 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:29:56,882 INFO L85 PathProgramCache]: Analyzing trace with hash -583325479, now seen corresponding path program 1 times [2023-11-12 02:29:56,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:29:56,882 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1044698507] [2023-11-12 02:29:56,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:29:56,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:29:56,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:29:56,943 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-12 02:29:56,943 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:29:56,943 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1044698507] [2023-11-12 02:29:56,943 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1044698507] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:29:56,943 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:29:56,943 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-12 02:29:56,944 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [324501879] [2023-11-12 02:29:56,944 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:29:56,944 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-12 02:29:56,945 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:29:56,945 INFO L85 PathProgramCache]: Analyzing trace with hash -1749769138, now seen corresponding path program 3 times [2023-11-12 02:29:56,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:29:56,945 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1666792976] [2023-11-12 02:29:56,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:29:56,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:29:56,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:29:56,952 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:29:56,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:29:56,957 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:29:57,195 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:29:57,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-12 02:29:57,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-12 02:29:57,196 INFO L87 Difference]: Start difference. First operand 31 states and 41 transitions. cyclomatic complexity: 14 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) [2023-11-12 02:29:57,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:29:57,264 INFO L93 Difference]: Finished difference Result 48 states and 60 transitions. [2023-11-12 02:29:57,264 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 48 states and 60 transitions. [2023-11-12 02:29:57,265 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 17 [2023-11-12 02:29:57,265 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 48 states to 48 states and 60 transitions. [2023-11-12 02:29:57,266 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 35 [2023-11-12 02:29:57,266 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 35 [2023-11-12 02:29:57,266 INFO L73 IsDeterministic]: Start isDeterministic. Operand 48 states and 60 transitions. [2023-11-12 02:29:57,266 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-12 02:29:57,266 INFO L218 hiAutomatonCegarLoop]: Abstraction has 48 states and 60 transitions. [2023-11-12 02:29:57,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states and 60 transitions. [2023-11-12 02:29:57,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 33. [2023-11-12 02:29:57,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 33 states have (on average 1.303030303030303) internal successors, (43), 32 states have internal predecessors, (43), 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) [2023-11-12 02:29:57,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 43 transitions. [2023-11-12 02:29:57,270 INFO L240 hiAutomatonCegarLoop]: Abstraction has 33 states and 43 transitions. [2023-11-12 02:29:57,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-12 02:29:57,271 INFO L428 stractBuchiCegarLoop]: Abstraction has 33 states and 43 transitions. [2023-11-12 02:29:57,271 INFO L335 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2023-11-12 02:29:57,271 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 33 states and 43 transitions. [2023-11-12 02:29:57,272 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 12 [2023-11-12 02:29:57,272 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-12 02:29:57,272 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-12 02:29:57,273 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:29:57,273 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2023-11-12 02:29:57,273 INFO L748 eck$LassoCheckResult]: Stem: 815#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(21, 2);call #Ultimate.allocInit(12, 3); 802#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet6#1, main_#t~post5#1, main_#t~mem8#1, main_#t~mem11#1, main_#t~mem9#1, main_#t~short10#1, main_#t~post7#1, main_#t~mem13#1, main_#t~mem14#1, main_#t~post12#1, main_~SIZE~0#1, main_~i~0#1, main_~j~0#1, main_~k~0#1, main_~key~0#1, main_~#v~0#1.base, main_~#v~0#1.offset;havoc main_#t~nondet4#1;main_~SIZE~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 791#L15 assume !((if main_~SIZE~0#1 % 4294967296 % 18446744073709551616 <= 9223372036854775807 then main_~SIZE~0#1 % 4294967296 % 18446744073709551616 else main_~SIZE~0#1 % 4294967296 % 18446744073709551616 - 18446744073709551616) >= 1000000000);havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~k~0#1;havoc main_~key~0#1;call main_~#v~0#1.base, main_~#v~0#1.offset := #Ultimate.allocOnStack(4 * main_~SIZE~0#1 % 4294967296);main_~j~0#1 := 0; 792#L20-3 assume !!(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);havoc main_#t~nondet6#1;call write~int(main_#t~nondet6#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~nondet6#1; 811#L20-2 main_#t~post5#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 812#L20-3 assume !!(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);havoc main_#t~nondet6#1;call write~int(main_#t~nondet6#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~nondet6#1; 813#L20-2 main_#t~post5#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 814#L20-3 assume !(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296); 803#L20-4 main_~j~0#1 := 1; 804#L22-3 assume !!(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);call main_#t~mem8#1 := read~int(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);main_~key~0#1 := main_#t~mem8#1;havoc main_#t~mem8#1;main_~i~0#1 := main_~j~0#1 - 1; 805#L25-5 main_#t~short10#1 := main_~i~0#1 >= 0; 793#L25-1 assume main_#t~short10#1;call main_#t~mem9#1 := read~int(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~i~0#1, 4);main_#t~short10#1 := main_#t~mem9#1 > main_~key~0#1; 787#L25-3 assume !main_#t~short10#1;havoc main_#t~mem9#1;havoc main_#t~short10#1; 788#L25-6 [2023-11-12 02:29:57,274 INFO L750 eck$LassoCheckResult]: Loop: 788#L25-6 call write~int(main_~key~0#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * (1 + main_~i~0#1), 4); 800#L22-2 main_#t~post7#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1; 801#L22-3 assume !!(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);call main_#t~mem8#1 := read~int(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);main_~key~0#1 := main_#t~mem8#1;havoc main_#t~mem8#1;main_~i~0#1 := main_~j~0#1 - 1; 810#L25-5 main_#t~short10#1 := main_~i~0#1 >= 0; 817#L25-1 assume main_#t~short10#1;call main_#t~mem9#1 := read~int(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~i~0#1, 4);main_#t~short10#1 := main_#t~mem9#1 > main_~key~0#1; 816#L25-3 assume !main_#t~short10#1;havoc main_#t~mem9#1;havoc main_#t~short10#1; 788#L25-6 [2023-11-12 02:29:57,274 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:29:57,274 INFO L85 PathProgramCache]: Analyzing trace with hash -583325541, now seen corresponding path program 1 times [2023-11-12 02:29:57,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:29:57,275 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1162886560] [2023-11-12 02:29:57,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:29:57,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:29:57,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:29:57,289 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:29:57,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:29:57,303 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:29:57,304 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:29:57,304 INFO L85 PathProgramCache]: Analyzing trace with hash -1749769138, now seen corresponding path program 4 times [2023-11-12 02:29:57,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:29:57,305 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [123323222] [2023-11-12 02:29:57,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:29:57,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:29:57,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:29:57,311 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:29:57,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:29:57,316 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:29:57,316 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:29:57,316 INFO L85 PathProgramCache]: Analyzing trace with hash 678523240, now seen corresponding path program 2 times [2023-11-12 02:29:57,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:29:57,317 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [38139820] [2023-11-12 02:29:57,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:29:57,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:29:57,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:29:57,479 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:29:57,479 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:29:57,479 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [38139820] [2023-11-12 02:29:57,479 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [38139820] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 02:29:57,479 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [195853616] [2023-11-12 02:29:57,480 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-12 02:29:57,480 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:29:57,480 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:29:57,481 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:29:57,500 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2023-11-12 02:29:57,558 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-12 02:29:57,558 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-12 02:29:57,559 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-12 02:29:57,561 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:29:57,642 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:29:57,642 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 02:29:57,779 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2023-11-12 02:29:57,939 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:29:57,940 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [195853616] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 02:29:57,940 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-12 02:29:57,940 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 13 [2023-11-12 02:29:57,940 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [672936294] [2023-11-12 02:29:57,941 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-12 02:29:58,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:29:58,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-12 02:29:58,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2023-11-12 02:29:58,169 INFO L87 Difference]: Start difference. First operand 33 states and 43 transitions. cyclomatic complexity: 14 Second operand has 13 states, 13 states have (on average 2.6153846153846154) internal successors, (34), 13 states have internal predecessors, (34), 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) [2023-11-12 02:29:58,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:29:58,344 INFO L93 Difference]: Finished difference Result 66 states and 86 transitions. [2023-11-12 02:29:58,345 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 66 states and 86 transitions. [2023-11-12 02:29:58,345 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 21 [2023-11-12 02:29:58,346 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 66 states to 66 states and 86 transitions. [2023-11-12 02:29:58,346 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 47 [2023-11-12 02:29:58,347 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 47 [2023-11-12 02:29:58,347 INFO L73 IsDeterministic]: Start isDeterministic. Operand 66 states and 86 transitions. [2023-11-12 02:29:58,347 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-12 02:29:58,347 INFO L218 hiAutomatonCegarLoop]: Abstraction has 66 states and 86 transitions. [2023-11-12 02:29:58,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states and 86 transitions. [2023-11-12 02:29:58,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 50. [2023-11-12 02:29:58,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 50 states have (on average 1.32) internal successors, (66), 49 states have internal predecessors, (66), 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) [2023-11-12 02:29:58,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 66 transitions. [2023-11-12 02:29:58,352 INFO L240 hiAutomatonCegarLoop]: Abstraction has 50 states and 66 transitions. [2023-11-12 02:29:58,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-12 02:29:58,353 INFO L428 stractBuchiCegarLoop]: Abstraction has 50 states and 66 transitions. [2023-11-12 02:29:58,354 INFO L335 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2023-11-12 02:29:58,355 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 50 states and 66 transitions. [2023-11-12 02:29:58,355 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 12 [2023-11-12 02:29:58,356 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-12 02:29:58,356 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-12 02:29:58,356 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:29:58,357 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2023-11-12 02:29:58,357 INFO L748 eck$LassoCheckResult]: Stem: 1042#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(21, 2);call #Ultimate.allocInit(12, 3); 1027#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet6#1, main_#t~post5#1, main_#t~mem8#1, main_#t~mem11#1, main_#t~mem9#1, main_#t~short10#1, main_#t~post7#1, main_#t~mem13#1, main_#t~mem14#1, main_#t~post12#1, main_~SIZE~0#1, main_~i~0#1, main_~j~0#1, main_~k~0#1, main_~key~0#1, main_~#v~0#1.base, main_~#v~0#1.offset;havoc main_#t~nondet4#1;main_~SIZE~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 1016#L15 assume !((if main_~SIZE~0#1 % 4294967296 % 18446744073709551616 <= 9223372036854775807 then main_~SIZE~0#1 % 4294967296 % 18446744073709551616 else main_~SIZE~0#1 % 4294967296 % 18446744073709551616 - 18446744073709551616) >= 1000000000);havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~k~0#1;havoc main_~key~0#1;call main_~#v~0#1.base, main_~#v~0#1.offset := #Ultimate.allocOnStack(4 * main_~SIZE~0#1 % 4294967296);main_~j~0#1 := 0; 1017#L20-3 assume !!(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);havoc main_#t~nondet6#1;call write~int(main_#t~nondet6#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~nondet6#1; 1039#L20-2 main_#t~post5#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1040#L20-3 assume !!(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);havoc main_#t~nondet6#1;call write~int(main_#t~nondet6#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~nondet6#1; 1041#L20-2 main_#t~post5#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1045#L20-3 assume !!(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);havoc main_#t~nondet6#1;call write~int(main_#t~nondet6#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~nondet6#1; 1046#L20-2 main_#t~post5#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1058#L20-3 assume !(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296); 1057#L20-4 main_~j~0#1 := 1; 1056#L22-3 assume !!(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);call main_#t~mem8#1 := read~int(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);main_~key~0#1 := main_#t~mem8#1;havoc main_#t~mem8#1;main_~i~0#1 := main_~j~0#1 - 1; 1054#L25-5 main_#t~short10#1 := main_~i~0#1 >= 0; 1051#L25-1 assume main_#t~short10#1;call main_#t~mem9#1 := read~int(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~i~0#1, 4);main_#t~short10#1 := main_#t~mem9#1 > main_~key~0#1; 1012#L25-3 assume !main_#t~short10#1;havoc main_#t~mem9#1;havoc main_#t~short10#1; 1013#L25-6 [2023-11-12 02:29:58,358 INFO L750 eck$LassoCheckResult]: Loop: 1013#L25-6 call write~int(main_~key~0#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * (1 + main_~i~0#1), 4); 1028#L22-2 main_#t~post7#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1; 1029#L22-3 assume !!(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);call main_#t~mem8#1 := read~int(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);main_~key~0#1 := main_#t~mem8#1;havoc main_#t~mem8#1;main_~i~0#1 := main_~j~0#1 - 1; 1038#L25-5 main_#t~short10#1 := main_~i~0#1 >= 0; 1048#L25-1 assume main_#t~short10#1;call main_#t~mem9#1 := read~int(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~i~0#1, 4);main_#t~short10#1 := main_#t~mem9#1 > main_~key~0#1; 1047#L25-3 assume !main_#t~short10#1;havoc main_#t~mem9#1;havoc main_#t~short10#1; 1013#L25-6 [2023-11-12 02:29:58,358 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:29:58,358 INFO L85 PathProgramCache]: Analyzing trace with hash 1530158845, now seen corresponding path program 2 times [2023-11-12 02:29:58,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:29:58,359 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1489771807] [2023-11-12 02:29:58,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:29:58,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:29:58,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:29:58,389 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:29:58,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:29:58,418 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:29:58,419 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:29:58,420 INFO L85 PathProgramCache]: Analyzing trace with hash -1749769138, now seen corresponding path program 5 times [2023-11-12 02:29:58,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:29:58,420 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [880250680] [2023-11-12 02:29:58,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:29:58,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:29:58,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:29:58,434 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:29:58,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:29:58,440 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:29:58,441 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:29:58,441 INFO L85 PathProgramCache]: Analyzing trace with hash 1481430602, now seen corresponding path program 3 times [2023-11-12 02:29:58,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:29:58,441 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [189376856] [2023-11-12 02:29:58,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:29:58,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:29:58,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:29:58,464 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:29:58,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:29:58,481 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:29:59,627 INFO L210 LassoAnalysis]: Preferences: [2023-11-12 02:29:59,627 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-12 02:29:59,627 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-12 02:29:59,627 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-12 02:29:59,627 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-12 02:29:59,628 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:29:59,628 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-12 02:29:59,628 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-12 02:29:59,628 INFO L133 ssoRankerPreferences]: Filename of dumped script: insertion_sort-1-2.c_Iteration9_Lasso [2023-11-12 02:29:59,628 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-12 02:29:59,628 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-12 02:29:59,631 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:29:59,634 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:29:59,636 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:29:59,639 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:29:59,641 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:29:59,643 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:29:59,646 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:29:59,648 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:30:00,605 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:30:00,607 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:30:00,610 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:30:00,613 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:30:00,617 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:30:00,620 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:30:01,204 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-12 02:30:01,204 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-12 02:30:01,204 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:30:01,204 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:30:01,209 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:30:01,216 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2023-11-12 02:30:01,217 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 [2023-11-12 02:30:01,233 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:30:01,233 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:30:01,233 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:30:01,233 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:30:01,233 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:30:01,234 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:30:01,234 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:30:01,243 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:30:01,248 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2023-11-12 02:30:01,249 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:30:01,249 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:30:01,250 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:30:01,253 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2023-11-12 02:30:01,254 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 [2023-11-12 02:30:01,264 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:30:01,264 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:30:01,265 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:30:01,265 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:30:01,265 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:30:01,265 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:30:01,265 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:30:01,283 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:30:01,285 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2023-11-12 02:30:01,286 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:30:01,286 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:30:01,287 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:30:01,288 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2023-11-12 02:30:01,290 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 [2023-11-12 02:30:01,300 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:30:01,300 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:30:01,300 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:30:01,300 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:30:01,300 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:30:01,301 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:30:01,301 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:30:01,303 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:30:01,306 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2023-11-12 02:30:01,309 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:30:01,309 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:30:01,310 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:30:01,312 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2023-11-12 02:30:01,313 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 [2023-11-12 02:30:01,323 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:30:01,323 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:30:01,323 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:30:01,323 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:30:01,323 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:30:01,324 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:30:01,324 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:30:01,325 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:30:01,327 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2023-11-12 02:30:01,328 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:30:01,328 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:30:01,329 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:30:01,332 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2023-11-12 02:30:01,332 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 [2023-11-12 02:30:01,342 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:30:01,343 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:30:01,343 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:30:01,343 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:30:01,343 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:30:01,343 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:30:01,343 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:30:01,345 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:30:01,348 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2023-11-12 02:30:01,348 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:30:01,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:30:01,349 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:30:01,351 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2023-11-12 02:30:01,352 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 [2023-11-12 02:30:01,362 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:30:01,362 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:30:01,362 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:30:01,362 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:30:01,362 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:30:01,368 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:30:01,368 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:30:01,380 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:30:01,383 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2023-11-12 02:30:01,383 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:30:01,383 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:30:01,384 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:30:01,385 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2023-11-12 02:30:01,387 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 [2023-11-12 02:30:01,396 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:30:01,397 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:30:01,397 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:30:01,397 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:30:01,397 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:30:01,397 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:30:01,397 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:30:01,399 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:30:01,401 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2023-11-12 02:30:01,401 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:30:01,401 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:30:01,402 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:30:01,406 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2023-11-12 02:30:01,407 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 [2023-11-12 02:30:01,417 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:30:01,417 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:30:01,417 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:30:01,417 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:30:01,417 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:30:01,417 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:30:01,417 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:30:01,425 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:30:01,433 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2023-11-12 02:30:01,435 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:30:01,435 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:30:01,436 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:30:01,455 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2023-11-12 02:30:01,456 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 [2023-11-12 02:30:01,465 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:30:01,466 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:30:01,466 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:30:01,466 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:30:01,468 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:30:01,468 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:30:01,490 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:30:01,493 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2023-11-12 02:30:01,493 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:30:01,493 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:30:01,494 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:30:01,495 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2023-11-12 02:30:01,497 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 [2023-11-12 02:30:01,509 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:30:01,509 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:30:01,509 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:30:01,509 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:30:01,511 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:30:01,511 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:30:01,530 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:30:01,532 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2023-11-12 02:30:01,533 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:30:01,533 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:30:01,534 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:30:01,535 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2023-11-12 02:30:01,536 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 [2023-11-12 02:30:01,546 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:30:01,546 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:30:01,546 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:30:01,546 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:30:01,548 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:30:01,548 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:30:01,552 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:30:01,555 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2023-11-12 02:30:01,555 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:30:01,555 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:30:01,557 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:30:01,560 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2023-11-12 02:30:01,560 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 [2023-11-12 02:30:01,570 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:30:01,571 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:30:01,571 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:30:01,571 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:30:01,574 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:30:01,574 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:30:01,592 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:30:01,602 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2023-11-12 02:30:01,603 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:30:01,603 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:30:01,604 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:30:01,609 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:30:01,621 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:30:01,621 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:30:01,622 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:30:01,622 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:30:01,622 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2023-11-12 02:30:01,630 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:30:01,630 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:30:01,652 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-12 02:30:01,703 INFO L443 ModelExtractionUtils]: Simplification made 19 calls to the SMT solver. [2023-11-12 02:30:01,703 INFO L444 ModelExtractionUtils]: 3 out of 16 variables were initially zero. Simplification set additionally 10 variables to zero. [2023-11-12 02:30:01,703 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:30:01,704 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:30:01,708 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:30:01,714 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2023-11-12 02:30:01,716 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-12 02:30:01,728 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-12 02:30:01,728 INFO L513 LassoAnalysis]: Proved termination. [2023-11-12 02:30:01,728 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1, v_rep(select #length ULTIMATE.start_main_~#v~0#1.base)_3) = -4*ULTIMATE.start_main_~i~0#1 + 1*v_rep(select #length ULTIMATE.start_main_~#v~0#1.base)_3 Supporting invariants [] [2023-11-12 02:30:01,731 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2023-11-12 02:30:01,872 INFO L156 tatePredicateManager]: 17 out of 19 supporting invariants were superfluous and have been removed [2023-11-12 02:30:01,878 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[~#v~0!base] could not be translated [2023-11-12 02:30:01,912 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:30:01,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:30:01,937 INFO L262 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-12 02:30:01,938 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:30:02,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:30:02,018 INFO L262 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-12 02:30:02,019 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:30:02,151 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:30:02,152 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.3 stem predicates 4 loop predicates [2023-11-12 02:30:02,152 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 50 states and 66 transitions. cyclomatic complexity: 21 Second operand has 7 states, 7 states have (on average 2.4285714285714284) internal successors, (17), 7 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:30:02,350 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 50 states and 66 transitions. cyclomatic complexity: 21. Second operand has 7 states, 7 states have (on average 2.4285714285714284) internal successors, (17), 7 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 108 states and 141 transitions. Complement of second has 14 states. [2023-11-12 02:30:02,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 9 states 3 stem states 4 non-accepting loop states 2 accepting loop states [2023-11-12 02:30:02,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 2.4285714285714284) internal successors, (17), 7 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:30:02,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 51 transitions. [2023-11-12 02:30:02,352 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 51 transitions. Stem has 15 letters. Loop has 6 letters. [2023-11-12 02:30:02,352 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-12 02:30:02,353 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 51 transitions. Stem has 21 letters. Loop has 6 letters. [2023-11-12 02:30:02,353 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-12 02:30:02,353 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 51 transitions. Stem has 15 letters. Loop has 12 letters. [2023-11-12 02:30:02,353 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-12 02:30:02,354 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 108 states and 141 transitions. [2023-11-12 02:30:02,355 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 21 [2023-11-12 02:30:02,356 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 108 states to 100 states and 131 transitions. [2023-11-12 02:30:02,356 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 56 [2023-11-12 02:30:02,356 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 61 [2023-11-12 02:30:02,356 INFO L73 IsDeterministic]: Start isDeterministic. Operand 100 states and 131 transitions. [2023-11-12 02:30:02,356 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-12 02:30:02,356 INFO L218 hiAutomatonCegarLoop]: Abstraction has 100 states and 131 transitions. [2023-11-12 02:30:02,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states and 131 transitions. [2023-11-12 02:30:02,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 72. [2023-11-12 02:30:02,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 72 states have (on average 1.4027777777777777) internal successors, (101), 71 states have internal predecessors, (101), 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) [2023-11-12 02:30:02,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 101 transitions. [2023-11-12 02:30:02,369 INFO L240 hiAutomatonCegarLoop]: Abstraction has 72 states and 101 transitions. [2023-11-12 02:30:02,369 INFO L428 stractBuchiCegarLoop]: Abstraction has 72 states and 101 transitions. [2023-11-12 02:30:02,370 INFO L335 stractBuchiCegarLoop]: ======== Iteration 10 ============ [2023-11-12 02:30:02,370 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 72 states and 101 transitions. [2023-11-12 02:30:02,370 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 17 [2023-11-12 02:30:02,371 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-12 02:30:02,371 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-12 02:30:02,371 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:30:02,371 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2023-11-12 02:30:02,372 INFO L748 eck$LassoCheckResult]: Stem: 1387#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(21, 2);call #Ultimate.allocInit(12, 3); 1373#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet6#1, main_#t~post5#1, main_#t~mem8#1, main_#t~mem11#1, main_#t~mem9#1, main_#t~short10#1, main_#t~post7#1, main_#t~mem13#1, main_#t~mem14#1, main_#t~post12#1, main_~SIZE~0#1, main_~i~0#1, main_~j~0#1, main_~k~0#1, main_~key~0#1, main_~#v~0#1.base, main_~#v~0#1.offset;havoc main_#t~nondet4#1;main_~SIZE~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 1362#L15 assume !((if main_~SIZE~0#1 % 4294967296 % 18446744073709551616 <= 9223372036854775807 then main_~SIZE~0#1 % 4294967296 % 18446744073709551616 else main_~SIZE~0#1 % 4294967296 % 18446744073709551616 - 18446744073709551616) >= 1000000000);havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~k~0#1;havoc main_~key~0#1;call main_~#v~0#1.base, main_~#v~0#1.offset := #Ultimate.allocOnStack(4 * main_~SIZE~0#1 % 4294967296);main_~j~0#1 := 0; 1363#L20-3 assume !!(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);havoc main_#t~nondet6#1;call write~int(main_#t~nondet6#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~nondet6#1; 1384#L20-2 main_#t~post5#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1385#L20-3 assume !!(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);havoc main_#t~nondet6#1;call write~int(main_#t~nondet6#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~nondet6#1; 1386#L20-2 main_#t~post5#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1401#L20-3 assume !(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296); 1379#L20-4 main_~j~0#1 := 1; 1380#L22-3 assume !!(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);call main_#t~mem8#1 := read~int(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);main_~key~0#1 := main_#t~mem8#1;havoc main_#t~mem8#1;main_~i~0#1 := main_~j~0#1 - 1; 1388#L25-5 main_#t~short10#1 := main_~i~0#1 >= 0; 1359#L25-1 assume main_#t~short10#1;call main_#t~mem9#1 := read~int(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~i~0#1, 4);main_#t~short10#1 := main_#t~mem9#1 > main_~key~0#1; 1355#L25-3 assume !main_#t~short10#1;havoc main_#t~mem9#1;havoc main_#t~short10#1; 1356#L25-6 call write~int(main_~key~0#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * (1 + main_~i~0#1), 4); 1369#L22-2 main_#t~post7#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1; 1370#L22-3 assume !(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296); 1367#L22-4 main_~k~0#1 := 1; 1368#L32-3 [2023-11-12 02:30:02,372 INFO L750 eck$LassoCheckResult]: Loop: 1368#L32-3 assume !!(main_~k~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);call main_#t~mem13#1 := read~int(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * (main_~k~0#1 - 1), 4);call main_#t~mem14#1 := read~int(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~k~0#1, 4);assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_#t~mem13#1 <= main_#t~mem14#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 1382#L6 assume !(0 == __VERIFIER_assert_~cond#1); 1353#L6-2 havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;havoc main_#t~mem13#1;havoc main_#t~mem14#1; 1354#L32-2 main_#t~post12#1 := main_~k~0#1;main_~k~0#1 := 1 + main_#t~post12#1;havoc main_#t~post12#1; 1368#L32-3 [2023-11-12 02:30:02,376 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:30:02,377 INFO L85 PathProgramCache]: Analyzing trace with hash 67745056, now seen corresponding path program 1 times [2023-11-12 02:30:02,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:30:02,377 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [562185380] [2023-11-12 02:30:02,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:30:02,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:30:02,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:30:02,391 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:30:02,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:30:02,402 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:30:02,403 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:30:02,403 INFO L85 PathProgramCache]: Analyzing trace with hash 3087436, now seen corresponding path program 2 times [2023-11-12 02:30:02,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:30:02,404 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1587864700] [2023-11-12 02:30:02,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:30:02,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:30:02,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:30:02,409 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:30:02,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:30:02,414 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:30:02,414 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:30:02,415 INFO L85 PathProgramCache]: Analyzing trace with hash -804574741, now seen corresponding path program 1 times [2023-11-12 02:30:02,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:30:02,415 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1219798347] [2023-11-12 02:30:02,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:30:02,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:30:02,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:30:02,430 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:30:02,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:30:02,445 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:30:04,501 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2023-11-12 02:30:04,748 INFO L210 LassoAnalysis]: Preferences: [2023-11-12 02:30:04,748 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-12 02:30:04,748 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-12 02:30:04,748 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-12 02:30:04,748 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-12 02:30:04,748 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:30:04,748 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-12 02:30:04,748 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-12 02:30:04,748 INFO L133 ssoRankerPreferences]: Filename of dumped script: insertion_sort-1-2.c_Iteration10_Lasso [2023-11-12 02:30:04,748 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-12 02:30:04,749 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-12 02:30:04,751 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:30:04,755 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:30:04,757 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:30:04,759 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:30:05,241 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:30:05,243 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:30:05,246 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:30:05,250 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:30:05,253 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:30:05,256 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:30:05,258 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:30:05,261 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:30:05,263 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:30:05,265 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:30:05,268 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:30:05,270 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:30:05,272 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:30:05,775 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-12 02:30:05,775 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-12 02:30:05,776 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:30:05,776 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:30:05,777 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:30:05,786 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 [2023-11-12 02:30:05,798 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2023-11-12 02:30:05,798 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:30:05,798 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:30:05,799 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:30:05,799 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:30:05,799 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:30:05,799 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:30:05,799 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:30:05,800 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:30:05,803 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2023-11-12 02:30:05,803 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:30:05,803 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:30:05,804 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:30:05,806 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2023-11-12 02:30:05,807 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:30:05,817 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:30:05,817 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:30:05,817 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:30:05,817 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:30:05,817 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:30:05,818 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:30:05,818 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:30:05,819 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:30:05,821 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2023-11-12 02:30:05,822 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:30:05,822 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:30:05,823 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:30:05,824 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2023-11-12 02:30:05,825 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 [2023-11-12 02:30:05,835 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:30:05,835 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:30:05,835 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:30:05,835 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:30:05,836 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:30:05,836 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:30:05,836 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:30:05,837 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:30:05,839 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2023-11-12 02:30:05,840 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:30:05,840 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:30:05,841 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:30:05,844 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 [2023-11-12 02:30:05,845 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2023-11-12 02:30:05,854 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:30:05,854 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:30:05,854 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:30:05,854 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:30:05,856 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:30:05,856 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:30:05,908 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:30:05,916 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2023-11-12 02:30:05,917 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:30:05,917 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:30:05,918 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:30:05,931 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 [2023-11-12 02:30:05,944 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:30:05,944 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:30:05,944 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:30:05,944 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:30:05,945 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2023-11-12 02:30:05,948 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:30:05,948 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:30:05,964 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:30:05,974 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2023-11-12 02:30:05,976 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:30:05,976 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:30:05,977 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:30:05,981 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 [2023-11-12 02:30:05,984 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2023-11-12 02:30:05,991 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:30:05,991 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:30:05,992 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:30:05,992 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:30:05,993 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:30:05,993 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:30:06,004 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:30:06,007 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2023-11-12 02:30:06,007 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:30:06,007 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:30:06,008 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:30:06,009 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2023-11-12 02:30:06,012 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 [2023-11-12 02:30:06,022 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:30:06,022 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:30:06,022 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:30:06,022 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:30:06,024 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:30:06,024 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:30:06,049 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:30:06,056 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2023-11-12 02:30:06,057 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:30:06,057 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:30:06,058 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:30:06,062 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 [2023-11-12 02:30:06,074 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:30:06,075 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:30:06,075 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:30:06,075 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:30:06,077 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2023-11-12 02:30:06,083 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:30:06,083 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:30:06,112 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-12 02:30:06,139 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2023-11-12 02:30:06,139 INFO L444 ModelExtractionUtils]: 6 out of 16 variables were initially zero. Simplification set additionally 7 variables to zero. [2023-11-12 02:30:06,139 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:30:06,140 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:30:06,141 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:30:06,148 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-12 02:30:06,161 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2023-11-12 02:30:06,174 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-12 02:30:06,174 INFO L513 LassoAnalysis]: Proved termination. [2023-11-12 02:30:06,174 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~k~0#1, v_rep(select #length ULTIMATE.start_main_~#v~0#1.base)_4) = -4*ULTIMATE.start_main_~k~0#1 + 1*v_rep(select #length ULTIMATE.start_main_~#v~0#1.base)_4 Supporting invariants [] [2023-11-12 02:30:06,186 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2023-11-12 02:30:06,265 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2023-11-12 02:30:06,272 INFO L156 tatePredicateManager]: 12 out of 13 supporting invariants were superfluous and have been removed [2023-11-12 02:30:06,274 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[~#v~0!base] could not be translated [2023-11-12 02:30:06,297 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:30:06,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:30:06,323 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-12 02:30:06,324 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:30:06,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:30:06,392 INFO L262 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-12 02:30:06,393 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:30:06,438 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:30:06,439 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2023-11-12 02:30:06,439 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 72 states and 101 transitions. cyclomatic complexity: 36 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) [2023-11-12 02:30:06,494 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 72 states and 101 transitions. cyclomatic complexity: 36. 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 76 states and 106 transitions. Complement of second has 5 states. [2023-11-12 02:30:06,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2023-11-12 02:30:06,495 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) [2023-11-12 02:30:06,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 24 transitions. [2023-11-12 02:30:06,496 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 24 transitions. Stem has 17 letters. Loop has 4 letters. [2023-11-12 02:30:06,496 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-12 02:30:06,496 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 24 transitions. Stem has 21 letters. Loop has 4 letters. [2023-11-12 02:30:06,497 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-12 02:30:06,497 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 24 transitions. Stem has 17 letters. Loop has 8 letters. [2023-11-12 02:30:06,497 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-12 02:30:06,497 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 76 states and 106 transitions. [2023-11-12 02:30:06,498 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 13 [2023-11-12 02:30:06,499 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 76 states to 52 states and 71 transitions. [2023-11-12 02:30:06,499 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 28 [2023-11-12 02:30:06,499 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 28 [2023-11-12 02:30:06,499 INFO L73 IsDeterministic]: Start isDeterministic. Operand 52 states and 71 transitions. [2023-11-12 02:30:06,500 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-12 02:30:06,500 INFO L218 hiAutomatonCegarLoop]: Abstraction has 52 states and 71 transitions. [2023-11-12 02:30:06,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states and 71 transitions. [2023-11-12 02:30:06,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2023-11-12 02:30:06,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 52 states have (on average 1.3653846153846154) internal successors, (71), 51 states have internal predecessors, (71), 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) [2023-11-12 02:30:06,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 71 transitions. [2023-11-12 02:30:06,504 INFO L240 hiAutomatonCegarLoop]: Abstraction has 52 states and 71 transitions. [2023-11-12 02:30:06,504 INFO L428 stractBuchiCegarLoop]: Abstraction has 52 states and 71 transitions. [2023-11-12 02:30:06,504 INFO L335 stractBuchiCegarLoop]: ======== Iteration 11 ============ [2023-11-12 02:30:06,504 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 52 states and 71 transitions. [2023-11-12 02:30:06,505 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 13 [2023-11-12 02:30:06,505 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-12 02:30:06,505 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-12 02:30:06,506 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:30:06,506 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2023-11-12 02:30:06,506 INFO L748 eck$LassoCheckResult]: Stem: 1672#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(21, 2);call #Ultimate.allocInit(12, 3); 1656#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet6#1, main_#t~post5#1, main_#t~mem8#1, main_#t~mem11#1, main_#t~mem9#1, main_#t~short10#1, main_#t~post7#1, main_#t~mem13#1, main_#t~mem14#1, main_#t~post12#1, main_~SIZE~0#1, main_~i~0#1, main_~j~0#1, main_~k~0#1, main_~key~0#1, main_~#v~0#1.base, main_~#v~0#1.offset;havoc main_#t~nondet4#1;main_~SIZE~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 1646#L15 assume !((if main_~SIZE~0#1 % 4294967296 % 18446744073709551616 <= 9223372036854775807 then main_~SIZE~0#1 % 4294967296 % 18446744073709551616 else main_~SIZE~0#1 % 4294967296 % 18446744073709551616 - 18446744073709551616) >= 1000000000);havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~k~0#1;havoc main_~key~0#1;call main_~#v~0#1.base, main_~#v~0#1.offset := #Ultimate.allocOnStack(4 * main_~SIZE~0#1 % 4294967296);main_~j~0#1 := 0; 1647#L20-3 assume !!(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);havoc main_#t~nondet6#1;call write~int(main_#t~nondet6#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~nondet6#1; 1669#L20-2 main_#t~post5#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1670#L20-3 assume !!(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);havoc main_#t~nondet6#1;call write~int(main_#t~nondet6#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~nondet6#1; 1671#L20-2 main_#t~post5#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1678#L20-3 assume !!(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);havoc main_#t~nondet6#1;call write~int(main_#t~nondet6#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~nondet6#1; 1676#L20-2 main_#t~post5#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1675#L20-3 assume !(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296); 1661#L20-4 main_~j~0#1 := 1; 1662#L22-3 assume !!(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);call main_#t~mem8#1 := read~int(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);main_~key~0#1 := main_#t~mem8#1;havoc main_#t~mem8#1;main_~i~0#1 := main_~j~0#1 - 1; 1680#L25-5 main_#t~short10#1 := main_~i~0#1 >= 0; 1681#L25-1 assume main_#t~short10#1;call main_#t~mem9#1 := read~int(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~i~0#1, 4);main_#t~short10#1 := main_#t~mem9#1 > main_~key~0#1; 1644#L25-3 assume !!main_#t~short10#1;havoc main_#t~mem9#1;havoc main_#t~short10#1; 1645#L26 assume !(main_~i~0#1 < 2); 1685#L26-2 main_~i~0#1 := main_~i~0#1 - 1; 1683#L25-5 main_#t~short10#1 := main_~i~0#1 >= 0; 1684#L25-1 assume !main_#t~short10#1; 1674#L25-3 assume !main_#t~short10#1;havoc main_#t~mem9#1;havoc main_#t~short10#1; 1673#L25-6 [2023-11-12 02:30:06,506 INFO L750 eck$LassoCheckResult]: Loop: 1673#L25-6 call write~int(main_~key~0#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * (1 + main_~i~0#1), 4); 1657#L22-2 main_#t~post7#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1; 1658#L22-3 assume !!(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);call main_#t~mem8#1 := read~int(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);main_~key~0#1 := main_#t~mem8#1;havoc main_#t~mem8#1;main_~i~0#1 := main_~j~0#1 - 1; 1663#L25-5 main_#t~short10#1 := main_~i~0#1 >= 0; 1648#L25-1 assume main_#t~short10#1;call main_#t~mem9#1 := read~int(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~i~0#1, 4);main_#t~short10#1 := main_#t~mem9#1 > main_~key~0#1; 1649#L25-3 assume !main_#t~short10#1;havoc main_#t~mem9#1;havoc main_#t~short10#1; 1673#L25-6 [2023-11-12 02:30:06,507 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:30:06,507 INFO L85 PathProgramCache]: Analyzing trace with hash -1563236507, now seen corresponding path program 1 times [2023-11-12 02:30:06,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:30:06,507 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [698459134] [2023-11-12 02:30:06,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:30:06,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:30:06,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:30:06,553 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-12 02:30:06,553 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:30:06,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [698459134] [2023-11-12 02:30:06,553 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [698459134] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:30:06,553 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:30:06,554 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-12 02:30:06,554 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472386776] [2023-11-12 02:30:06,554 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:30:06,554 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-12 02:30:06,555 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:30:06,555 INFO L85 PathProgramCache]: Analyzing trace with hash -1749769138, now seen corresponding path program 6 times [2023-11-12 02:30:06,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:30:06,555 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [431698705] [2023-11-12 02:30:06,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:30:06,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:30:06,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:30:06,561 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:30:06,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:30:06,565 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:30:06,794 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:30:06,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 02:30:06,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-12 02:30:06,795 INFO L87 Difference]: Start difference. First operand 52 states and 71 transitions. cyclomatic complexity: 24 Second operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 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) [2023-11-12 02:30:06,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:30:06,834 INFO L93 Difference]: Finished difference Result 57 states and 75 transitions. [2023-11-12 02:30:06,835 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 57 states and 75 transitions. [2023-11-12 02:30:06,835 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 13 [2023-11-12 02:30:06,836 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 57 states to 57 states and 75 transitions. [2023-11-12 02:30:06,836 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 31 [2023-11-12 02:30:06,836 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 31 [2023-11-12 02:30:06,836 INFO L73 IsDeterministic]: Start isDeterministic. Operand 57 states and 75 transitions. [2023-11-12 02:30:06,836 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-12 02:30:06,837 INFO L218 hiAutomatonCegarLoop]: Abstraction has 57 states and 75 transitions. [2023-11-12 02:30:06,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states and 75 transitions. [2023-11-12 02:30:06,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 52. [2023-11-12 02:30:06,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 52 states have (on average 1.3461538461538463) internal successors, (70), 51 states have internal predecessors, (70), 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) [2023-11-12 02:30:06,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 70 transitions. [2023-11-12 02:30:06,840 INFO L240 hiAutomatonCegarLoop]: Abstraction has 52 states and 70 transitions. [2023-11-12 02:30:06,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-12 02:30:06,841 INFO L428 stractBuchiCegarLoop]: Abstraction has 52 states and 70 transitions. [2023-11-12 02:30:06,841 INFO L335 stractBuchiCegarLoop]: ======== Iteration 12 ============ [2023-11-12 02:30:06,842 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 52 states and 70 transitions. [2023-11-12 02:30:06,842 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 13 [2023-11-12 02:30:06,842 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-12 02:30:06,842 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-12 02:30:06,843 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:30:06,843 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2023-11-12 02:30:06,844 INFO L748 eck$LassoCheckResult]: Stem: 1791#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(21, 2);call #Ultimate.allocInit(12, 3); 1774#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet6#1, main_#t~post5#1, main_#t~mem8#1, main_#t~mem11#1, main_#t~mem9#1, main_#t~short10#1, main_#t~post7#1, main_#t~mem13#1, main_#t~mem14#1, main_#t~post12#1, main_~SIZE~0#1, main_~i~0#1, main_~j~0#1, main_~k~0#1, main_~key~0#1, main_~#v~0#1.base, main_~#v~0#1.offset;havoc main_#t~nondet4#1;main_~SIZE~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 1764#L15 assume !((if main_~SIZE~0#1 % 4294967296 % 18446744073709551616 <= 9223372036854775807 then main_~SIZE~0#1 % 4294967296 % 18446744073709551616 else main_~SIZE~0#1 % 4294967296 % 18446744073709551616 - 18446744073709551616) >= 1000000000);havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~k~0#1;havoc main_~key~0#1;call main_~#v~0#1.base, main_~#v~0#1.offset := #Ultimate.allocOnStack(4 * main_~SIZE~0#1 % 4294967296);main_~j~0#1 := 0; 1765#L20-3 assume !!(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);havoc main_#t~nondet6#1;call write~int(main_#t~nondet6#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~nondet6#1; 1788#L20-2 main_#t~post5#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1789#L20-3 assume !!(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);havoc main_#t~nondet6#1;call write~int(main_#t~nondet6#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~nondet6#1; 1790#L20-2 main_#t~post5#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1794#L20-3 assume !!(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);havoc main_#t~nondet6#1;call write~int(main_#t~nondet6#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~nondet6#1; 1793#L20-2 main_#t~post5#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1792#L20-3 assume !(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296); 1779#L20-4 main_~j~0#1 := 1; 1780#L22-3 assume !!(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);call main_#t~mem8#1 := read~int(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);main_~key~0#1 := main_#t~mem8#1;havoc main_#t~mem8#1;main_~i~0#1 := main_~j~0#1 - 1; 1800#L25-5 main_#t~short10#1 := main_~i~0#1 >= 0; 1795#L25-1 assume main_#t~short10#1;call main_#t~mem9#1 := read~int(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~i~0#1, 4);main_#t~short10#1 := main_#t~mem9#1 > main_~key~0#1; 1762#L25-3 assume !!main_#t~short10#1;havoc main_#t~mem9#1;havoc main_#t~short10#1; 1763#L26 assume main_~i~0#1 < 2;call main_#t~mem11#1 := read~int(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~i~0#1, 4);call write~int(main_#t~mem11#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * (1 + main_~i~0#1), 4);havoc main_#t~mem11#1; 1802#L26-2 main_~i~0#1 := main_~i~0#1 - 1; 1797#L25-5 main_#t~short10#1 := main_~i~0#1 >= 0; 1798#L25-1 assume !main_#t~short10#1; 1807#L25-3 assume !main_#t~short10#1;havoc main_#t~mem9#1;havoc main_#t~short10#1; 1799#L25-6 [2023-11-12 02:30:06,844 INFO L750 eck$LassoCheckResult]: Loop: 1799#L25-6 call write~int(main_~key~0#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * (1 + main_~i~0#1), 4); 1775#L22-2 main_#t~post7#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1; 1776#L22-3 assume !!(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);call main_#t~mem8#1 := read~int(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);main_~key~0#1 := main_#t~mem8#1;havoc main_#t~mem8#1;main_~i~0#1 := main_~j~0#1 - 1; 1786#L25-5 main_#t~short10#1 := main_~i~0#1 >= 0; 1808#L25-1 assume main_#t~short10#1;call main_#t~mem9#1 := read~int(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~i~0#1, 4);main_#t~short10#1 := main_#t~mem9#1 > main_~key~0#1; 1811#L25-3 assume !main_#t~short10#1;havoc main_#t~mem9#1;havoc main_#t~short10#1; 1799#L25-6 [2023-11-12 02:30:06,844 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:30:06,844 INFO L85 PathProgramCache]: Analyzing trace with hash -1565083549, now seen corresponding path program 1 times [2023-11-12 02:30:06,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:30:06,845 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [191983130] [2023-11-12 02:30:06,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:30:06,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:30:06,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:30:06,863 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:30:06,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:30:06,877 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:30:06,878 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:30:06,878 INFO L85 PathProgramCache]: Analyzing trace with hash -1749769138, now seen corresponding path program 7 times [2023-11-12 02:30:06,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:30:06,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [27259835] [2023-11-12 02:30:06,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:30:06,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:30:06,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:30:06,884 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:30:06,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:30:06,888 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:30:06,889 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:30:06,889 INFO L85 PathProgramCache]: Analyzing trace with hash -1801188560, now seen corresponding path program 1 times [2023-11-12 02:30:06,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:30:06,889 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1875005333] [2023-11-12 02:30:06,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:30:06,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:30:06,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:30:06,909 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:30:06,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:30:06,928 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:30:09,598 INFO L210 LassoAnalysis]: Preferences: [2023-11-12 02:30:09,598 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-12 02:30:09,598 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-12 02:30:09,598 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-12 02:30:09,598 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-12 02:30:09,598 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:30:09,598 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-12 02:30:09,598 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-12 02:30:09,599 INFO L133 ssoRankerPreferences]: Filename of dumped script: insertion_sort-1-2.c_Iteration12_Lasso [2023-11-12 02:30:09,599 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-12 02:30:09,599 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-12 02:30:09,601 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:30:09,604 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:30:09,606 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:30:09,609 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:30:09,611 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:30:09,613 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:30:09,616 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:30:10,572 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:30:10,576 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:30:10,578 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:30:10,581 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:30:10,584 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:30:10,586 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:30:10,588 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:30:11,069 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-12 02:30:11,069 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-12 02:30:11,069 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:30:11,069 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:30:11,076 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:30:11,078 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2023-11-12 02:30:11,079 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 [2023-11-12 02:30:11,088 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:30:11,089 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:30:11,089 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:30:11,089 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:30:11,089 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:30:11,089 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:30:11,089 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:30:11,091 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:30:11,094 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2023-11-12 02:30:11,094 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:30:11,094 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:30:11,095 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:30:11,098 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2023-11-12 02:30:11,099 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 [2023-11-12 02:30:11,109 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:30:11,109 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:30:11,109 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:30:11,109 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:30:11,109 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:30:11,110 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:30:11,110 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:30:11,112 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:30:11,115 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2023-11-12 02:30:11,115 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:30:11,116 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:30:11,116 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:30:11,118 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2023-11-12 02:30:11,119 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 [2023-11-12 02:30:11,129 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:30:11,129 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:30:11,129 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:30:11,129 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:30:11,129 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:30:11,130 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:30:11,130 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:30:11,131 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:30:11,133 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2023-11-12 02:30:11,134 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:30:11,134 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:30:11,135 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:30:11,143 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 [2023-11-12 02:30:11,144 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2023-11-12 02:30:11,154 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:30:11,154 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:30:11,154 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:30:11,154 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:30:11,154 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:30:11,154 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:30:11,154 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:30:11,156 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:30:11,158 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Ended with exit code 0 [2023-11-12 02:30:11,158 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:30:11,158 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:30:11,159 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:30:11,161 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2023-11-12 02:30:11,162 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 [2023-11-12 02:30:11,172 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:30:11,172 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:30:11,172 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:30:11,172 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:30:11,172 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:30:11,172 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:30:11,173 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:30:11,174 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:30:11,176 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2023-11-12 02:30:11,180 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:30:11,180 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:30:11,182 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:30:11,187 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 [2023-11-12 02:30:11,188 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2023-11-12 02:30:11,197 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:30:11,197 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:30:11,197 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:30:11,197 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:30:11,197 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:30:11,198 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:30:11,198 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:30:11,200 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:30:11,202 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Ended with exit code 0 [2023-11-12 02:30:11,203 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:30:11,203 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:30:11,204 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:30:11,205 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2023-11-12 02:30:11,207 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 [2023-11-12 02:30:11,217 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:30:11,217 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:30:11,217 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:30:11,217 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:30:11,219 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:30:11,219 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:30:11,223 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:30:11,226 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Ended with exit code 0 [2023-11-12 02:30:11,226 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:30:11,226 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:30:11,227 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:30:11,247 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2023-11-12 02:30:11,248 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 [2023-11-12 02:30:11,258 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:30:11,258 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:30:11,258 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:30:11,258 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:30:11,259 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:30:11,260 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:30:11,264 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:30:11,267 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Ended with exit code 0 [2023-11-12 02:30:11,267 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:30:11,267 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:30:11,268 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:30:11,272 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2023-11-12 02:30:11,272 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 [2023-11-12 02:30:11,282 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:30:11,283 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:30:11,283 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:30:11,283 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:30:11,284 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:30:11,284 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:30:11,304 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:30:11,307 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Ended with exit code 0 [2023-11-12 02:30:11,307 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:30:11,307 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:30:11,308 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:30:11,311 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2023-11-12 02:30:11,311 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 [2023-11-12 02:30:11,321 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:30:11,321 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:30:11,322 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:30:11,322 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:30:11,323 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:30:11,324 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:30:11,328 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:30:11,330 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Ended with exit code 0 [2023-11-12 02:30:11,331 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:30:11,332 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:30:11,332 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:30:11,334 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2023-11-12 02:30:11,335 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 [2023-11-12 02:30:11,345 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:30:11,345 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:30:11,345 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:30:11,345 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:30:11,347 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:30:11,347 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:30:11,380 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:30:11,384 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Forceful destruction successful, exit code 0 [2023-11-12 02:30:11,384 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:30:11,384 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:30:11,385 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:30:11,389 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2023-11-12 02:30:11,390 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 [2023-11-12 02:30:11,399 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:30:11,400 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:30:11,400 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:30:11,400 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:30:11,401 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:30:11,401 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:30:11,405 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:30:11,408 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Forceful destruction successful, exit code 0 [2023-11-12 02:30:11,408 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:30:11,408 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:30:11,409 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:30:11,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2023-11-12 02:30:11,412 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 [2023-11-12 02:30:11,422 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:30:11,422 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:30:11,422 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:30:11,422 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:30:11,423 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:30:11,424 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:30:11,428 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:30:11,431 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Ended with exit code 0 [2023-11-12 02:30:11,431 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:30:11,431 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:30:11,432 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:30:11,433 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2023-11-12 02:30:11,434 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 [2023-11-12 02:30:11,447 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:30:11,447 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:30:11,447 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:30:11,447 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:30:11,449 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:30:11,449 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:30:11,460 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:30:11,463 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Forceful destruction successful, exit code 0 [2023-11-12 02:30:11,464 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:30:11,464 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:30:11,465 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:30:11,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2023-11-12 02:30:11,472 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:30:11,482 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:30:11,482 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:30:11,482 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:30:11,482 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:30:11,484 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:30:11,484 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:30:11,496 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:30:11,499 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Forceful destruction successful, exit code 0 [2023-11-12 02:30:11,500 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:30:11,500 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:30:11,501 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:30:11,509 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 [2023-11-12 02:30:11,520 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2023-11-12 02:30:11,521 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:30:11,521 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:30:11,521 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:30:11,521 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:30:11,521 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:30:11,522 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:30:11,522 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:30:11,531 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:30:11,534 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Ended with exit code 0 [2023-11-12 02:30:11,534 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:30:11,534 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:30:11,535 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:30:11,536 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2023-11-12 02:30:11,538 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 [2023-11-12 02:30:11,548 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:30:11,548 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:30:11,549 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:30:11,549 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:30:11,553 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:30:11,553 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:30:11,566 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:30:11,569 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Ended with exit code 0 [2023-11-12 02:30:11,569 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:30:11,569 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:30:11,570 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:30:11,571 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2023-11-12 02:30:11,572 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 [2023-11-12 02:30:11,582 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:30:11,583 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:30:11,583 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:30:11,583 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:30:11,590 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:30:11,590 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:30:11,607 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-12 02:30:11,635 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2023-11-12 02:30:11,635 INFO L444 ModelExtractionUtils]: 4 out of 16 variables were initially zero. Simplification set additionally 9 variables to zero. [2023-11-12 02:30:11,635 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:30:11,636 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:30:11,637 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:30:11,639 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2023-11-12 02:30:11,639 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-12 02:30:11,650 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-12 02:30:11,650 INFO L513 LassoAnalysis]: Proved termination. [2023-11-12 02:30:11,650 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_~#v~0#1.base)_5, ULTIMATE.start_main_~j~0#1) = 1*v_rep(select #length ULTIMATE.start_main_~#v~0#1.base)_5 - 4*ULTIMATE.start_main_~j~0#1 Supporting invariants [] [2023-11-12 02:30:11,653 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Ended with exit code 0 [2023-11-12 02:30:11,745 INFO L156 tatePredicateManager]: 15 out of 16 supporting invariants were superfluous and have been removed [2023-11-12 02:30:11,748 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[~#v~0!base] could not be translated [2023-11-12 02:30:11,773 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:30:11,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:30:11,801 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-12 02:30:11,802 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:30:11,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:30:11,898 INFO L262 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-12 02:30:11,900 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:30:11,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:30:11,981 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2023-11-12 02:30:11,981 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 52 states and 70 transitions. cyclomatic complexity: 23 Second operand has 6 states, 6 states have (on average 3.5) internal successors, (21), 6 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:30:12,047 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 52 states and 70 transitions. cyclomatic complexity: 23. Second operand has 6 states, 6 states have (on average 3.5) internal successors, (21), 6 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 84 states and 118 transitions. Complement of second has 7 states. [2023-11-12 02:30:12,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2023-11-12 02:30:12,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 3.5) internal successors, (21), 6 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:30:12,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 28 transitions. [2023-11-12 02:30:12,051 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 28 transitions. Stem has 20 letters. Loop has 6 letters. [2023-11-12 02:30:12,053 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-12 02:30:12,054 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 28 transitions. Stem has 26 letters. Loop has 6 letters. [2023-11-12 02:30:12,055 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-12 02:30:12,056 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 28 transitions. Stem has 20 letters. Loop has 12 letters. [2023-11-12 02:30:12,058 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-12 02:30:12,058 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 84 states and 118 transitions. [2023-11-12 02:30:12,059 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 10 [2023-11-12 02:30:12,060 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 84 states to 63 states and 87 transitions. [2023-11-12 02:30:12,060 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 25 [2023-11-12 02:30:12,061 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 27 [2023-11-12 02:30:12,061 INFO L73 IsDeterministic]: Start isDeterministic. Operand 63 states and 87 transitions. [2023-11-12 02:30:12,061 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-12 02:30:12,061 INFO L218 hiAutomatonCegarLoop]: Abstraction has 63 states and 87 transitions. [2023-11-12 02:30:12,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states and 87 transitions. [2023-11-12 02:30:12,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 54. [2023-11-12 02:30:12,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 54 states have (on average 1.3518518518518519) internal successors, (73), 53 states have internal predecessors, (73), 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) [2023-11-12 02:30:12,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 73 transitions. [2023-11-12 02:30:12,070 INFO L240 hiAutomatonCegarLoop]: Abstraction has 54 states and 73 transitions. [2023-11-12 02:30:12,070 INFO L428 stractBuchiCegarLoop]: Abstraction has 54 states and 73 transitions. [2023-11-12 02:30:12,070 INFO L335 stractBuchiCegarLoop]: ======== Iteration 13 ============ [2023-11-12 02:30:12,070 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 54 states and 73 transitions. [2023-11-12 02:30:12,071 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2023-11-12 02:30:12,071 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-12 02:30:12,071 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-12 02:30:12,073 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:30:12,073 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2023-11-12 02:30:12,073 INFO L748 eck$LassoCheckResult]: Stem: 2094#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(21, 2);call #Ultimate.allocInit(12, 3); 2079#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet6#1, main_#t~post5#1, main_#t~mem8#1, main_#t~mem11#1, main_#t~mem9#1, main_#t~short10#1, main_#t~post7#1, main_#t~mem13#1, main_#t~mem14#1, main_#t~post12#1, main_~SIZE~0#1, main_~i~0#1, main_~j~0#1, main_~k~0#1, main_~key~0#1, main_~#v~0#1.base, main_~#v~0#1.offset;havoc main_#t~nondet4#1;main_~SIZE~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 2075#L15 assume !((if main_~SIZE~0#1 % 4294967296 % 18446744073709551616 <= 9223372036854775807 then main_~SIZE~0#1 % 4294967296 % 18446744073709551616 else main_~SIZE~0#1 % 4294967296 % 18446744073709551616 - 18446744073709551616) >= 1000000000);havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~k~0#1;havoc main_~key~0#1;call main_~#v~0#1.base, main_~#v~0#1.offset := #Ultimate.allocOnStack(4 * main_~SIZE~0#1 % 4294967296);main_~j~0#1 := 0; 2076#L20-3 assume !!(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);havoc main_#t~nondet6#1;call write~int(main_#t~nondet6#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~nondet6#1; 2090#L20-2 main_#t~post5#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 2091#L20-3 assume !!(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);havoc main_#t~nondet6#1;call write~int(main_#t~nondet6#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~nondet6#1; 2092#L20-2 main_#t~post5#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 2093#L20-3 assume !!(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);havoc main_#t~nondet6#1;call write~int(main_#t~nondet6#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~nondet6#1; 2099#L20-2 main_#t~post5#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 2098#L20-3 assume !(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296); 2082#L20-4 main_~j~0#1 := 1; 2083#L22-3 assume !!(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);call main_#t~mem8#1 := read~int(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);main_~key~0#1 := main_#t~mem8#1;havoc main_#t~mem8#1;main_~i~0#1 := main_~j~0#1 - 1; 2095#L25-5 main_#t~short10#1 := main_~i~0#1 >= 0; 2104#L25-1 assume main_#t~short10#1;call main_#t~mem9#1 := read~int(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~i~0#1, 4);main_#t~short10#1 := main_#t~mem9#1 > main_~key~0#1; 2100#L25-3 assume !main_#t~short10#1;havoc main_#t~mem9#1;havoc main_#t~short10#1; 2101#L25-6 call write~int(main_~key~0#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * (1 + main_~i~0#1), 4); 2080#L22-2 main_#t~post7#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1; 2081#L22-3 assume !!(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);call main_#t~mem8#1 := read~int(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);main_~key~0#1 := main_#t~mem8#1;havoc main_#t~mem8#1;main_~i~0#1 := main_~j~0#1 - 1; 2117#L25-5 main_#t~short10#1 := main_~i~0#1 >= 0; 2072#L25-1 [2023-11-12 02:30:12,074 INFO L750 eck$LassoCheckResult]: Loop: 2072#L25-1 assume main_#t~short10#1;call main_#t~mem9#1 := read~int(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~i~0#1, 4);main_#t~short10#1 := main_#t~mem9#1 > main_~key~0#1; 2068#L25-3 assume !!main_#t~short10#1;havoc main_#t~mem9#1;havoc main_#t~short10#1; 2069#L26 assume main_~i~0#1 < 2;call main_#t~mem11#1 := read~int(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~i~0#1, 4);call write~int(main_#t~mem11#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * (1 + main_~i~0#1), 4);havoc main_#t~mem11#1; 2077#L26-2 main_~i~0#1 := main_~i~0#1 - 1; 2084#L25-5 main_#t~short10#1 := main_~i~0#1 >= 0; 2072#L25-1 [2023-11-12 02:30:12,074 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:30:12,074 INFO L85 PathProgramCache]: Analyzing trace with hash -606279004, now seen corresponding path program 4 times [2023-11-12 02:30:12,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:30:12,075 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2006487371] [2023-11-12 02:30:12,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:30:12,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:30:12,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:30:12,104 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:30:12,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:30:12,138 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:30:12,140 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:30:12,140 INFO L85 PathProgramCache]: Analyzing trace with hash 64187797, now seen corresponding path program 2 times [2023-11-12 02:30:12,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:30:12,141 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1485388168] [2023-11-12 02:30:12,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:30:12,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:30:12,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:30:12,145 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:30:12,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:30:12,149 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:30:12,149 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:30:12,149 INFO L85 PathProgramCache]: Analyzing trace with hash -1784762158, now seen corresponding path program 1 times [2023-11-12 02:30:12,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:30:12,150 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2103378338] [2023-11-12 02:30:12,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:30:12,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:30:12,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:30:12,198 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:30:12,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:30:12,225 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:30:13,455 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Forceful destruction successful, exit code 0 [2023-11-12 02:30:13,657 INFO L210 LassoAnalysis]: Preferences: [2023-11-12 02:30:13,657 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-12 02:30:13,657 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-12 02:30:13,658 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-12 02:30:13,658 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-12 02:30:13,658 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:30:13,658 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-12 02:30:13,658 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-12 02:30:13,658 INFO L133 ssoRankerPreferences]: Filename of dumped script: insertion_sort-1-2.c_Iteration13_Lasso [2023-11-12 02:30:13,658 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-12 02:30:13,658 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-12 02:30:13,661 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:30:13,665 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:30:13,667 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:30:13,669 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:30:13,671 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:30:13,673 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:30:13,675 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:30:13,678 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:30:13,680 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:30:13,681 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:30:13,685 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:30:13,687 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:30:14,177 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:30:14,180 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:30:14,684 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-12 02:30:14,684 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-12 02:30:14,684 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:30:14,684 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:30:14,689 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:30:14,693 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 [2023-11-12 02:30:14,706 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:30:14,706 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:30:14,706 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:30:14,706 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:30:14,706 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:30:14,707 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:30:14,707 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:30:14,708 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2023-11-12 02:30:14,709 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:30:14,712 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Forceful destruction successful, exit code 0 [2023-11-12 02:30:14,712 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:30:14,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:30:14,713 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:30:14,715 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2023-11-12 02:30:14,716 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 [2023-11-12 02:30:14,726 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:30:14,726 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:30:14,726 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:30:14,726 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:30:14,726 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:30:14,726 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:30:14,727 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:30:14,728 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:30:14,730 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Ended with exit code 0 [2023-11-12 02:30:14,730 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:30:14,730 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:30:14,731 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:30:14,736 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2023-11-12 02:30:14,736 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 [2023-11-12 02:30:14,746 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:30:14,746 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:30:14,746 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:30:14,746 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:30:14,746 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:30:14,747 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:30:14,747 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:30:14,748 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:30:14,751 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Forceful destruction successful, exit code 0 [2023-11-12 02:30:14,751 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:30:14,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:30:14,752 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:30:14,754 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2023-11-12 02:30:14,755 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 [2023-11-12 02:30:14,766 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:30:14,766 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:30:14,766 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:30:14,766 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:30:14,766 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:30:14,767 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:30:14,767 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:30:14,768 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:30:14,771 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Ended with exit code 0 [2023-11-12 02:30:14,771 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:30:14,771 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:30:14,772 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:30:14,798 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2023-11-12 02:30:14,799 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 [2023-11-12 02:30:14,809 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:30:14,810 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:30:14,810 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:30:14,810 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:30:14,810 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:30:14,810 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:30:14,810 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:30:14,812 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:30:14,814 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Ended with exit code 0 [2023-11-12 02:30:14,815 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:30:14,815 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:30:14,816 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:30:14,818 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2023-11-12 02:30:14,818 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 [2023-11-12 02:30:14,831 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:30:14,832 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:30:14,832 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:30:14,833 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:30:14,833 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:30:14,833 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:30:14,833 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:30:14,837 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:30:14,840 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Ended with exit code 0 [2023-11-12 02:30:14,840 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:30:14,840 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:30:14,841 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:30:14,848 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2023-11-12 02:30:14,849 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 [2023-11-12 02:30:14,860 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:30:14,860 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:30:14,860 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:30:14,860 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:30:14,862 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:30:14,862 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:30:14,866 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:30:14,868 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Ended with exit code 0 [2023-11-12 02:30:14,869 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:30:14,869 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:30:14,870 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:30:14,872 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2023-11-12 02:30:14,873 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 [2023-11-12 02:30:14,884 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:30:14,884 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:30:14,884 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:30:14,884 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:30:14,884 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:30:14,885 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:30:14,885 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:30:14,887 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:30:14,891 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Ended with exit code 0 [2023-11-12 02:30:14,891 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:30:14,891 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:30:14,892 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:30:14,893 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2023-11-12 02:30:14,895 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 [2023-11-12 02:30:14,905 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:30:14,906 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:30:14,906 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:30:14,906 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:30:14,906 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:30:14,906 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:30:14,906 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:30:14,908 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:30:14,910 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Ended with exit code 0 [2023-11-12 02:30:14,911 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:30:14,911 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:30:14,912 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:30:14,914 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2023-11-12 02:30:14,914 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 [2023-11-12 02:30:14,925 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:30:14,925 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:30:14,925 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:30:14,925 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:30:14,925 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:30:14,926 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:30:14,926 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:30:14,927 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:30:14,930 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Ended with exit code 0 [2023-11-12 02:30:14,930 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:30:14,931 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:30:14,931 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:30:14,934 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2023-11-12 02:30:14,934 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 [2023-11-12 02:30:14,945 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:30:14,946 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:30:14,946 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:30:14,946 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:30:14,946 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:30:14,946 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:30:14,946 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:30:14,948 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:30:14,951 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Forceful destruction successful, exit code 0 [2023-11-12 02:30:14,952 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:30:14,952 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:30:14,953 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:30:14,955 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2023-11-12 02:30:14,955 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 [2023-11-12 02:30:14,968 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:30:14,968 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:30:14,968 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:30:14,968 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:30:14,970 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:30:14,970 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:30:14,975 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:30:14,978 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Ended with exit code 0 [2023-11-12 02:30:14,978 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:30:14,978 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:30:14,979 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:30:14,981 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Waiting until timeout for monitored process [2023-11-12 02:30:14,982 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 [2023-11-12 02:30:14,994 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:30:14,994 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:30:14,994 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:30:14,994 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:30:14,996 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:30:14,996 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:30:15,001 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:30:15,004 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Ended with exit code 0 [2023-11-12 02:30:15,004 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:30:15,004 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:30:15,005 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:30:15,006 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Waiting until timeout for monitored process [2023-11-12 02:30:15,007 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 [2023-11-12 02:30:15,018 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:30:15,018 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:30:15,018 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:30:15,018 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:30:15,020 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:30:15,020 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:30:15,024 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:30:15,027 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Ended with exit code 0 [2023-11-12 02:30:15,027 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:30:15,028 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:30:15,028 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:30:15,029 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Waiting until timeout for monitored process [2023-11-12 02:30:15,031 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 [2023-11-12 02:30:15,041 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:30:15,042 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:30:15,042 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:30:15,042 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:30:15,043 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:30:15,043 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:30:15,072 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:30:15,076 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Forceful destruction successful, exit code 0 [2023-11-12 02:30:15,076 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:30:15,076 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:30:15,078 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:30:15,082 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Waiting until timeout for monitored process [2023-11-12 02:30:15,082 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:30:15,092 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:30:15,093 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:30:15,093 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:30:15,093 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:30:15,095 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:30:15,095 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:30:15,099 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:30:15,102 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Ended with exit code 0 [2023-11-12 02:30:15,102 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:30:15,102 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:30:15,103 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:30:15,104 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Waiting until timeout for monitored process [2023-11-12 02:30:15,105 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 [2023-11-12 02:30:15,116 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:30:15,116 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:30:15,116 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:30:15,116 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:30:15,120 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:30:15,120 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:30:15,131 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:30:15,133 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Ended with exit code 0 [2023-11-12 02:30:15,134 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:30:15,134 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:30:15,135 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:30:15,137 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Waiting until timeout for monitored process [2023-11-12 02:30:15,137 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 [2023-11-12 02:30:15,147 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:30:15,147 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:30:15,147 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:30:15,147 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:30:15,149 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:30:15,149 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:30:15,154 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:30:15,156 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Ended with exit code 0 [2023-11-12 02:30:15,156 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:30:15,156 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:30:15,157 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:30:15,159 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Waiting until timeout for monitored process [2023-11-12 02:30:15,160 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 [2023-11-12 02:30:15,170 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:30:15,170 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:30:15,170 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:30:15,170 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:30:15,172 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:30:15,172 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:30:15,176 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:30:15,179 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Ended with exit code 0 [2023-11-12 02:30:15,179 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:30:15,179 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:30:15,180 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:30:15,182 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Waiting until timeout for monitored process [2023-11-12 02:30:15,183 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 [2023-11-12 02:30:15,192 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:30:15,193 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:30:15,193 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:30:15,193 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:30:15,195 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:30:15,195 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:30:15,200 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:30:15,203 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Ended with exit code 0 [2023-11-12 02:30:15,203 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:30:15,203 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:30:15,204 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:30:15,206 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Waiting until timeout for monitored process [2023-11-12 02:30:15,206 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 [2023-11-12 02:30:15,217 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:30:15,217 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:30:15,217 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:30:15,217 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:30:15,219 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:30:15,219 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:30:15,224 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:30:15,227 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Ended with exit code 0 [2023-11-12 02:30:15,227 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:30:15,227 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:30:15,228 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:30:15,230 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Waiting until timeout for monitored process [2023-11-12 02:30:15,230 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 [2023-11-12 02:30:15,243 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:30:15,243 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:30:15,243 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2023-11-12 02:30:15,244 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:30:15,258 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2023-11-12 02:30:15,259 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2023-11-12 02:30:15,313 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-12 02:30:15,347 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2023-11-12 02:30:15,347 INFO L444 ModelExtractionUtils]: 15 out of 31 variables were initially zero. Simplification set additionally 12 variables to zero. [2023-11-12 02:30:15,347 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:30:15,347 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:30:15,349 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:30:15,356 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Waiting until timeout for monitored process [2023-11-12 02:30:15,356 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-12 02:30:15,369 INFO L438 nArgumentSynthesizer]: Removed 3 redundant supporting invariants from a total of 4. [2023-11-12 02:30:15,369 INFO L513 LassoAnalysis]: Proved termination. [2023-11-12 02:30:15,370 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1, v_rep(select #length ULTIMATE.start_main_~#v~0#1.base)_6) = 2*ULTIMATE.start_main_~i~0#1 + 1*v_rep(select #length ULTIMATE.start_main_~#v~0#1.base)_6 Supporting invariants [-1*ULTIMATE.start_main_~#v~0#1.offset >= 0] [2023-11-12 02:30:15,373 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Forceful destruction successful, exit code 0 [2023-11-12 02:30:15,391 INFO L156 tatePredicateManager]: 5 out of 6 supporting invariants were superfluous and have been removed [2023-11-12 02:30:15,393 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[~#v~0!base] could not be translated [2023-11-12 02:30:15,417 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:30:15,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:30:15,445 INFO L262 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-12 02:30:15,446 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:30:15,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:30:15,603 INFO L262 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-12 02:30:15,603 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:30:15,712 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:30:15,713 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 4 loop predicates [2023-11-12 02:30:15,713 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 54 states and 73 transitions. cyclomatic complexity: 24 Second operand has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:30:15,796 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 54 states and 73 transitions. cyclomatic complexity: 24. Second operand has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 83 states and 104 transitions. Complement of second has 10 states. [2023-11-12 02:30:15,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 3 non-accepting loop states 1 accepting loop states [2023-11-12 02:30:15,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:30:15,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 24 transitions. [2023-11-12 02:30:15,799 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 24 transitions. Stem has 19 letters. Loop has 5 letters. [2023-11-12 02:30:15,800 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-12 02:30:15,800 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-11-12 02:30:15,839 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:30:15,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:30:15,872 INFO L262 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-12 02:30:15,873 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:30:16,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:30:16,062 INFO L262 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-12 02:30:16,062 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:30:16,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:30:16,189 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.2 stem predicates 4 loop predicates [2023-11-12 02:30:16,189 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 54 states and 73 transitions. cyclomatic complexity: 24 Second operand has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:30:16,293 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 54 states and 73 transitions. cyclomatic complexity: 24. Second operand has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 82 states and 103 transitions. Complement of second has 12 states. [2023-11-12 02:30:16,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 2 stem states 4 non-accepting loop states 1 accepting loop states [2023-11-12 02:30:16,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:30:16,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 23 transitions. [2023-11-12 02:30:16,295 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 23 transitions. Stem has 19 letters. Loop has 5 letters. [2023-11-12 02:30:16,295 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-12 02:30:16,295 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-11-12 02:30:16,315 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:30:16,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:30:16,352 INFO L262 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-12 02:30:16,353 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:30:16,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:30:16,496 INFO L262 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-12 02:30:16,497 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:30:16,612 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:30:16,613 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.2 stem predicates 4 loop predicates [2023-11-12 02:30:16,613 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 54 states and 73 transitions. cyclomatic complexity: 24 Second operand has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:30:16,725 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 54 states and 73 transitions. cyclomatic complexity: 24. Second operand has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 156 states and 207 transitions. Complement of second has 12 states. [2023-11-12 02:30:16,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 3 non-accepting loop states 1 accepting loop states [2023-11-12 02:30:16,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:30:16,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 40 transitions. [2023-11-12 02:30:16,726 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 40 transitions. Stem has 19 letters. Loop has 5 letters. [2023-11-12 02:30:16,727 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-12 02:30:16,727 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 40 transitions. Stem has 24 letters. Loop has 5 letters. [2023-11-12 02:30:16,727 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-12 02:30:16,727 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 40 transitions. Stem has 19 letters. Loop has 10 letters. [2023-11-12 02:30:16,728 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-12 02:30:16,728 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 156 states and 207 transitions. [2023-11-12 02:30:16,730 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2023-11-12 02:30:16,731 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 156 states to 120 states and 162 transitions. [2023-11-12 02:30:16,732 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 23 [2023-11-12 02:30:16,732 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 27 [2023-11-12 02:30:16,732 INFO L73 IsDeterministic]: Start isDeterministic. Operand 120 states and 162 transitions. [2023-11-12 02:30:16,732 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-12 02:30:16,733 INFO L218 hiAutomatonCegarLoop]: Abstraction has 120 states and 162 transitions. [2023-11-12 02:30:16,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states and 162 transitions. [2023-11-12 02:30:16,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 79. [2023-11-12 02:30:16,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 79 states have (on average 1.4303797468354431) internal successors, (113), 78 states have internal predecessors, (113), 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) [2023-11-12 02:30:16,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 113 transitions. [2023-11-12 02:30:16,738 INFO L240 hiAutomatonCegarLoop]: Abstraction has 79 states and 113 transitions. [2023-11-12 02:30:16,738 INFO L428 stractBuchiCegarLoop]: Abstraction has 79 states and 113 transitions. [2023-11-12 02:30:16,738 INFO L335 stractBuchiCegarLoop]: ======== Iteration 14 ============ [2023-11-12 02:30:16,738 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 79 states and 113 transitions. [2023-11-12 02:30:16,739 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2023-11-12 02:30:16,739 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-12 02:30:16,739 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-12 02:30:16,740 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:30:16,740 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2023-11-12 02:30:16,740 INFO L748 eck$LassoCheckResult]: Stem: 2787#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(21, 2);call #Ultimate.allocInit(12, 3); 2770#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet6#1, main_#t~post5#1, main_#t~mem8#1, main_#t~mem11#1, main_#t~mem9#1, main_#t~short10#1, main_#t~post7#1, main_#t~mem13#1, main_#t~mem14#1, main_#t~post12#1, main_~SIZE~0#1, main_~i~0#1, main_~j~0#1, main_~k~0#1, main_~key~0#1, main_~#v~0#1.base, main_~#v~0#1.offset;havoc main_#t~nondet4#1;main_~SIZE~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 2761#L15 assume !((if main_~SIZE~0#1 % 4294967296 % 18446744073709551616 <= 9223372036854775807 then main_~SIZE~0#1 % 4294967296 % 18446744073709551616 else main_~SIZE~0#1 % 4294967296 % 18446744073709551616 - 18446744073709551616) >= 1000000000);havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~k~0#1;havoc main_~key~0#1;call main_~#v~0#1.base, main_~#v~0#1.offset := #Ultimate.allocOnStack(4 * main_~SIZE~0#1 % 4294967296);main_~j~0#1 := 0; 2762#L20-3 assume !!(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);havoc main_#t~nondet6#1;call write~int(main_#t~nondet6#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~nondet6#1; 2783#L20-2 main_#t~post5#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 2784#L20-3 assume !!(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);havoc main_#t~nondet6#1;call write~int(main_#t~nondet6#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~nondet6#1; 2785#L20-2 main_#t~post5#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 2786#L20-3 assume !!(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);havoc main_#t~nondet6#1;call write~int(main_#t~nondet6#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~nondet6#1; 2792#L20-2 main_#t~post5#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 2791#L20-3 assume !(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296); 2773#L20-4 main_~j~0#1 := 1; 2774#L22-3 assume !!(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);call main_#t~mem8#1 := read~int(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);main_~key~0#1 := main_#t~mem8#1;havoc main_#t~mem8#1;main_~i~0#1 := main_~j~0#1 - 1; 2788#L25-5 main_#t~short10#1 := main_~i~0#1 >= 0; 2793#L25-1 assume main_#t~short10#1;call main_#t~mem9#1 := read~int(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~i~0#1, 4);main_#t~short10#1 := main_#t~mem9#1 > main_~key~0#1; 2794#L25-3 assume !main_#t~short10#1;havoc main_#t~mem9#1;havoc main_#t~short10#1; 2778#L25-6 call write~int(main_~key~0#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * (1 + main_~i~0#1), 4); 2779#L22-2 main_#t~post7#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1; 2789#L22-3 assume !!(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);call main_#t~mem8#1 := read~int(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);main_~key~0#1 := main_#t~mem8#1;havoc main_#t~mem8#1;main_~i~0#1 := main_~j~0#1 - 1; 2790#L25-5 main_#t~short10#1 := main_~i~0#1 >= 0; 2808#L25-1 assume !main_#t~short10#1; 2764#L25-3 [2023-11-12 02:30:16,741 INFO L750 eck$LassoCheckResult]: Loop: 2764#L25-3 assume !!main_#t~short10#1;havoc main_#t~mem9#1;havoc main_#t~short10#1; 2767#L26 assume !(main_~i~0#1 < 2); 2768#L26-2 main_~i~0#1 := main_~i~0#1 - 1; 2775#L25-5 main_#t~short10#1 := main_~i~0#1 >= 0; 2763#L25-1 assume main_#t~short10#1;call main_#t~mem9#1 := read~int(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~i~0#1, 4);main_#t~short10#1 := main_#t~mem9#1 > main_~key~0#1; 2764#L25-3 [2023-11-12 02:30:16,741 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:30:16,741 INFO L85 PathProgramCache]: Analyzing trace with hash -1614779901, now seen corresponding path program 1 times [2023-11-12 02:30:16,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:30:16,741 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [387375422] [2023-11-12 02:30:16,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:30:16,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:30:16,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:30:16,827 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Forceful destruction successful, exit code 0 [2023-11-12 02:30:16,854 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-12 02:30:16,854 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:30:16,854 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [387375422] [2023-11-12 02:30:16,855 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [387375422] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 02:30:16,855 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1050535691] [2023-11-12 02:30:16,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:30:16,855 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:30:16,855 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:30:16,856 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:30:16,880 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (87)] Waiting until timeout for monitored process [2023-11-12 02:30:16,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:30:16,949 INFO L262 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-12 02:30:16,950 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:30:16,973 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-12 02:30:16,974 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 02:30:17,021 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-12 02:30:17,022 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1050535691] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 02:30:17,022 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-12 02:30:17,022 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 8 [2023-11-12 02:30:17,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1476114457] [2023-11-12 02:30:17,022 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-12 02:30:17,024 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-12 02:30:17,024 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:30:17,024 INFO L85 PathProgramCache]: Analyzing trace with hash 71728209, now seen corresponding path program 1 times [2023-11-12 02:30:17,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:30:17,025 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1427473728] [2023-11-12 02:30:17,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:30:17,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:30:17,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:30:17,029 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:30:17,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:30:17,032 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:30:17,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:30:17,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-12 02:30:17,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-11-12 02:30:17,172 INFO L87 Difference]: Start difference. First operand 79 states and 113 transitions. cyclomatic complexity: 40 Second operand has 9 states, 8 states have (on average 4.0) internal successors, (32), 9 states have internal predecessors, (32), 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) [2023-11-12 02:30:17,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:30:17,356 INFO L93 Difference]: Finished difference Result 131 states and 168 transitions. [2023-11-12 02:30:17,356 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 131 states and 168 transitions. [2023-11-12 02:30:17,358 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2023-11-12 02:30:17,359 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 131 states to 131 states and 168 transitions. [2023-11-12 02:30:17,359 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 24 [2023-11-12 02:30:17,360 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 24 [2023-11-12 02:30:17,360 INFO L73 IsDeterministic]: Start isDeterministic. Operand 131 states and 168 transitions. [2023-11-12 02:30:17,360 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-12 02:30:17,360 INFO L218 hiAutomatonCegarLoop]: Abstraction has 131 states and 168 transitions. [2023-11-12 02:30:17,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states and 168 transitions. [2023-11-12 02:30:17,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 95. [2023-11-12 02:30:17,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 95 states have (on average 1.3263157894736841) internal successors, (126), 94 states have internal predecessors, (126), 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) [2023-11-12 02:30:17,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 126 transitions. [2023-11-12 02:30:17,370 INFO L240 hiAutomatonCegarLoop]: Abstraction has 95 states and 126 transitions. [2023-11-12 02:30:17,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-12 02:30:17,370 INFO L428 stractBuchiCegarLoop]: Abstraction has 95 states and 126 transitions. [2023-11-12 02:30:17,371 INFO L335 stractBuchiCegarLoop]: ======== Iteration 15 ============ [2023-11-12 02:30:17,371 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 95 states and 126 transitions. [2023-11-12 02:30:17,372 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2023-11-12 02:30:17,372 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-12 02:30:17,372 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-12 02:30:17,373 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:30:17,373 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2023-11-12 02:30:17,373 INFO L748 eck$LassoCheckResult]: Stem: 3132#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(21, 2);call #Ultimate.allocInit(12, 3); 3119#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet6#1, main_#t~post5#1, main_#t~mem8#1, main_#t~mem11#1, main_#t~mem9#1, main_#t~short10#1, main_#t~post7#1, main_#t~mem13#1, main_#t~mem14#1, main_#t~post12#1, main_~SIZE~0#1, main_~i~0#1, main_~j~0#1, main_~k~0#1, main_~key~0#1, main_~#v~0#1.base, main_~#v~0#1.offset;havoc main_#t~nondet4#1;main_~SIZE~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 3112#L15 assume !((if main_~SIZE~0#1 % 4294967296 % 18446744073709551616 <= 9223372036854775807 then main_~SIZE~0#1 % 4294967296 % 18446744073709551616 else main_~SIZE~0#1 % 4294967296 % 18446744073709551616 - 18446744073709551616) >= 1000000000);havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~k~0#1;havoc main_~key~0#1;call main_~#v~0#1.base, main_~#v~0#1.offset := #Ultimate.allocOnStack(4 * main_~SIZE~0#1 % 4294967296);main_~j~0#1 := 0; 3113#L20-3 assume !!(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);havoc main_#t~nondet6#1;call write~int(main_#t~nondet6#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~nondet6#1; 3128#L20-2 main_#t~post5#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 3129#L20-3 assume !!(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);havoc main_#t~nondet6#1;call write~int(main_#t~nondet6#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~nondet6#1; 3130#L20-2 main_#t~post5#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 3131#L20-3 assume !!(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);havoc main_#t~nondet6#1;call write~int(main_#t~nondet6#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~nondet6#1; 3136#L20-2 main_#t~post5#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 3135#L20-3 assume !(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296); 3122#L20-4 main_~j~0#1 := 1; 3123#L22-3 assume !!(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);call main_#t~mem8#1 := read~int(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);main_~key~0#1 := main_#t~mem8#1;havoc main_#t~mem8#1;main_~i~0#1 := main_~j~0#1 - 1; 3133#L25-5 main_#t~short10#1 := main_~i~0#1 >= 0; 3139#L25-1 assume main_#t~short10#1;call main_#t~mem9#1 := read~int(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~i~0#1, 4);main_#t~short10#1 := main_#t~mem9#1 > main_~key~0#1; 3137#L25-3 assume !main_#t~short10#1;havoc main_#t~mem9#1;havoc main_#t~short10#1; 3138#L25-6 call write~int(main_~key~0#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * (1 + main_~i~0#1), 4); 3184#L22-2 main_#t~post7#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1; 3183#L22-3 assume !!(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);call main_#t~mem8#1 := read~int(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);main_~key~0#1 := main_#t~mem8#1;havoc main_#t~mem8#1;main_~i~0#1 := main_~j~0#1 - 1; 3152#L25-5 main_#t~short10#1 := main_~i~0#1 >= 0; 3153#L25-1 assume main_#t~short10#1;call main_#t~mem9#1 := read~int(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~i~0#1, 4);main_#t~short10#1 := main_#t~mem9#1 > main_~key~0#1; 3105#L25-3 [2023-11-12 02:30:17,373 INFO L750 eck$LassoCheckResult]: Loop: 3105#L25-3 assume !!main_#t~short10#1;havoc main_#t~mem9#1;havoc main_#t~short10#1; 3106#L26 assume !(main_~i~0#1 < 2); 3114#L26-2 main_~i~0#1 := main_~i~0#1 - 1; 3120#L25-5 main_#t~short10#1 := main_~i~0#1 >= 0; 3109#L25-1 assume main_#t~short10#1;call main_#t~mem9#1 := read~int(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~i~0#1, 4);main_#t~short10#1 := main_#t~mem9#1 > main_~key~0#1; 3105#L25-3 [2023-11-12 02:30:17,374 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:30:17,374 INFO L85 PathProgramCache]: Analyzing trace with hash -1614779903, now seen corresponding path program 5 times [2023-11-12 02:30:17,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:30:17,374 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1659417712] [2023-11-12 02:30:17,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:30:17,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:30:17,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:30:17,395 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:30:17,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:30:17,411 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:30:17,412 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:30:17,412 INFO L85 PathProgramCache]: Analyzing trace with hash 71728209, now seen corresponding path program 2 times [2023-11-12 02:30:17,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:30:17,413 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2119941733] [2023-11-12 02:30:17,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:30:17,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:30:17,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:30:17,416 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:30:17,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:30:17,419 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:30:17,420 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:30:17,420 INFO L85 PathProgramCache]: Analyzing trace with hash 507007569, now seen corresponding path program 1 times [2023-11-12 02:30:17,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:30:17,420 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1122790160] [2023-11-12 02:30:17,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:30:17,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:30:17,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:30:17,485 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-12 02:30:17,486 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:30:17,486 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1122790160] [2023-11-12 02:30:17,486 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1122790160] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 02:30:17,486 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1767836559] [2023-11-12 02:30:17,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:30:17,486 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:30:17,487 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:30:17,488 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:30:17,523 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (88)] Waiting until timeout for monitored process [2023-11-12 02:30:17,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:30:17,585 INFO L262 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-12 02:30:17,587 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:30:17,611 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-12 02:30:17,612 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 02:30:17,649 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-12 02:30:17,649 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1767836559] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 02:30:17,649 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-12 02:30:17,649 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 6 [2023-11-12 02:30:17,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [439876816] [2023-11-12 02:30:17,649 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-12 02:30:17,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:30:17,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-12 02:30:17,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-11-12 02:30:17,776 INFO L87 Difference]: Start difference. First operand 95 states and 126 transitions. cyclomatic complexity: 37 Second operand has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 6 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:30:17,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:30:17,853 INFO L93 Difference]: Finished difference Result 169 states and 214 transitions. [2023-11-12 02:30:17,854 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 169 states and 214 transitions. [2023-11-12 02:30:17,855 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2023-11-12 02:30:17,859 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 169 states to 127 states and 159 transitions. [2023-11-12 02:30:17,859 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 19 [2023-11-12 02:30:17,859 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 19 [2023-11-12 02:30:17,859 INFO L73 IsDeterministic]: Start isDeterministic. Operand 127 states and 159 transitions. [2023-11-12 02:30:17,859 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-12 02:30:17,860 INFO L218 hiAutomatonCegarLoop]: Abstraction has 127 states and 159 transitions. [2023-11-12 02:30:17,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states and 159 transitions. [2023-11-12 02:30:17,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 89. [2023-11-12 02:30:17,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 89 states have (on average 1.2584269662921348) internal successors, (112), 88 states have internal predecessors, (112), 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) [2023-11-12 02:30:17,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 112 transitions. [2023-11-12 02:30:17,869 INFO L240 hiAutomatonCegarLoop]: Abstraction has 89 states and 112 transitions. [2023-11-12 02:30:17,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-12 02:30:17,873 INFO L428 stractBuchiCegarLoop]: Abstraction has 89 states and 112 transitions. [2023-11-12 02:30:17,873 INFO L335 stractBuchiCegarLoop]: ======== Iteration 16 ============ [2023-11-12 02:30:17,873 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 89 states and 112 transitions. [2023-11-12 02:30:17,874 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2023-11-12 02:30:17,874 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-12 02:30:17,874 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-12 02:30:17,875 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2023-11-12 02:30:17,875 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2023-11-12 02:30:17,875 INFO L748 eck$LassoCheckResult]: Stem: 3562#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(21, 2);call #Ultimate.allocInit(12, 3); 3543#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet6#1, main_#t~post5#1, main_#t~mem8#1, main_#t~mem11#1, main_#t~mem9#1, main_#t~short10#1, main_#t~post7#1, main_#t~mem13#1, main_#t~mem14#1, main_#t~post12#1, main_~SIZE~0#1, main_~i~0#1, main_~j~0#1, main_~k~0#1, main_~key~0#1, main_~#v~0#1.base, main_~#v~0#1.offset;havoc main_#t~nondet4#1;main_~SIZE~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 3532#L15 assume !((if main_~SIZE~0#1 % 4294967296 % 18446744073709551616 <= 9223372036854775807 then main_~SIZE~0#1 % 4294967296 % 18446744073709551616 else main_~SIZE~0#1 % 4294967296 % 18446744073709551616 - 18446744073709551616) >= 1000000000);havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~k~0#1;havoc main_~key~0#1;call main_~#v~0#1.base, main_~#v~0#1.offset := #Ultimate.allocOnStack(4 * main_~SIZE~0#1 % 4294967296);main_~j~0#1 := 0; 3533#L20-3 assume !!(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);havoc main_#t~nondet6#1;call write~int(main_#t~nondet6#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~nondet6#1; 3558#L20-2 main_#t~post5#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 3559#L20-3 assume !!(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);havoc main_#t~nondet6#1;call write~int(main_#t~nondet6#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~nondet6#1; 3560#L20-2 main_#t~post5#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 3561#L20-3 assume !!(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);havoc main_#t~nondet6#1;call write~int(main_#t~nondet6#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~nondet6#1; 3565#L20-2 main_#t~post5#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 3564#L20-3 assume !(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296); 3546#L20-4 main_~j~0#1 := 1; 3547#L22-3 assume !!(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);call main_#t~mem8#1 := read~int(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);main_~key~0#1 := main_#t~mem8#1;havoc main_#t~mem8#1;main_~i~0#1 := main_~j~0#1 - 1; 3548#L25-5 main_#t~short10#1 := main_~i~0#1 >= 0; 3534#L25-1 assume main_#t~short10#1;call main_#t~mem9#1 := read~int(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~i~0#1, 4);main_#t~short10#1 := main_#t~mem9#1 > main_~key~0#1; 3535#L25-3 assume !main_#t~short10#1;havoc main_#t~mem9#1;havoc main_#t~short10#1; 3552#L25-6 call write~int(main_~key~0#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * (1 + main_~i~0#1), 4); 3553#L22-2 main_#t~post7#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1; 3563#L22-3 assume !!(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);call main_#t~mem8#1 := read~int(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);main_~key~0#1 := main_#t~mem8#1;havoc main_#t~mem8#1;main_~i~0#1 := main_~j~0#1 - 1; 3550#L25-5 main_#t~short10#1 := main_~i~0#1 >= 0; 3551#L25-1 assume main_#t~short10#1;call main_#t~mem9#1 := read~int(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~i~0#1, 4);main_#t~short10#1 := main_#t~mem9#1 > main_~key~0#1; 3578#L25-3 assume !main_#t~short10#1;havoc main_#t~mem9#1;havoc main_#t~short10#1; 3579#L25-6 call write~int(main_~key~0#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * (1 + main_~i~0#1), 4); 3603#L22-2 main_#t~post7#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1; 3599#L22-3 assume !!(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);call main_#t~mem8#1 := read~int(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);main_~key~0#1 := main_#t~mem8#1;havoc main_#t~mem8#1;main_~i~0#1 := main_~j~0#1 - 1; 3597#L25-5 main_#t~short10#1 := main_~i~0#1 >= 0; 3567#L25-1 [2023-11-12 02:30:17,875 INFO L750 eck$LassoCheckResult]: Loop: 3567#L25-1 assume main_#t~short10#1;call main_#t~mem9#1 := read~int(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~i~0#1, 4);main_#t~short10#1 := main_#t~mem9#1 > main_~key~0#1; 3566#L25-3 assume !!main_#t~short10#1;havoc main_#t~mem9#1;havoc main_#t~short10#1; 3539#L26 assume !(main_~i~0#1 < 2); 3540#L26-2 main_~i~0#1 := main_~i~0#1 - 1; 3555#L25-5 main_#t~short10#1 := main_~i~0#1 >= 0; 3567#L25-1 [2023-11-12 02:30:17,876 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:30:17,876 INFO L85 PathProgramCache]: Analyzing trace with hash 505344881, now seen corresponding path program 6 times [2023-11-12 02:30:17,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:30:17,876 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1490054311] [2023-11-12 02:30:17,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:30:17,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:30:17,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:30:18,120 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 2 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:30:18,120 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:30:18,120 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1490054311] [2023-11-12 02:30:18,120 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1490054311] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 02:30:18,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [992967520] [2023-11-12 02:30:18,121 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-11-12 02:30:18,121 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:30:18,121 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:30:18,128 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:30:18,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9e6f0d-23ea-4d6b-a2ba-ae54f04304b3/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (89)] Waiting until timeout for monitored process [2023-11-12 02:30:18,238 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2023-11-12 02:30:18,238 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-12 02:30:18,240 INFO L262 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-12 02:30:18,241 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:30:18,454 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 2 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:30:18,455 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 02:30:18,837 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 2 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:30:18,838 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [992967520] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 02:30:18,838 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-12 02:30:18,838 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 17 [2023-11-12 02:30:18,838 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [83314250] [2023-11-12 02:30:18,838 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-12 02:30:18,840 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-12 02:30:18,840 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:30:18,841 INFO L85 PathProgramCache]: Analyzing trace with hash 64189719, now seen corresponding path program 3 times [2023-11-12 02:30:18,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:30:18,841 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1369480064] [2023-11-12 02:30:18,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:30:18,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:30:18,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:30:18,847 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:30:18,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:30:18,850 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:30:18,943 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:30:18,943 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-11-12 02:30:18,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=213, Unknown=0, NotChecked=0, Total=272 [2023-11-12 02:30:18,944 INFO L87 Difference]: Start difference. First operand 89 states and 112 transitions. cyclomatic complexity: 28 Second operand has 17 states, 17 states have (on average 2.823529411764706) internal successors, (48), 17 states have internal predecessors, (48), 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) [2023-11-12 02:30:19,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:30:19,157 INFO L93 Difference]: Finished difference Result 231 states and 293 transitions. [2023-11-12 02:30:19,157 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 231 states and 293 transitions. [2023-11-12 02:30:19,159 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 10 [2023-11-12 02:30:19,161 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 231 states to 176 states and 225 transitions. [2023-11-12 02:30:19,161 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 23 [2023-11-12 02:30:19,161 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 23 [2023-11-12 02:30:19,161 INFO L73 IsDeterministic]: Start isDeterministic. Operand 176 states and 225 transitions. [2023-11-12 02:30:19,162 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-12 02:30:19,162 INFO L218 hiAutomatonCegarLoop]: Abstraction has 176 states and 225 transitions. [2023-11-12 02:30:19,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states and 225 transitions. [2023-11-12 02:30:19,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 91. [2023-11-12 02:30:19,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 91 states have (on average 1.2527472527472527) internal successors, (114), 90 states have internal predecessors, (114), 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) [2023-11-12 02:30:19,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 114 transitions. [2023-11-12 02:30:19,166 INFO L240 hiAutomatonCegarLoop]: Abstraction has 91 states and 114 transitions. [2023-11-12 02:30:19,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-12 02:30:19,167 INFO L428 stractBuchiCegarLoop]: Abstraction has 91 states and 114 transitions. [2023-11-12 02:30:19,167 INFO L335 stractBuchiCegarLoop]: ======== Iteration 17 ============ [2023-11-12 02:30:19,167 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 91 states and 114 transitions. [2023-11-12 02:30:19,168 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2023-11-12 02:30:19,168 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-12 02:30:19,168 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-12 02:30:19,169 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [4, 4, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2023-11-12 02:30:19,169 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2023-11-12 02:30:19,169 INFO L748 eck$LassoCheckResult]: Stem: 4042#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(21, 2);call #Ultimate.allocInit(12, 3); 4028#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet6#1, main_#t~post5#1, main_#t~mem8#1, main_#t~mem11#1, main_#t~mem9#1, main_#t~short10#1, main_#t~post7#1, main_#t~mem13#1, main_#t~mem14#1, main_#t~post12#1, main_~SIZE~0#1, main_~i~0#1, main_~j~0#1, main_~k~0#1, main_~key~0#1, main_~#v~0#1.base, main_~#v~0#1.offset;havoc main_#t~nondet4#1;main_~SIZE~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 4020#L15 assume !((if main_~SIZE~0#1 % 4294967296 % 18446744073709551616 <= 9223372036854775807 then main_~SIZE~0#1 % 4294967296 % 18446744073709551616 else main_~SIZE~0#1 % 4294967296 % 18446744073709551616 - 18446744073709551616) >= 1000000000);havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~k~0#1;havoc main_~key~0#1;call main_~#v~0#1.base, main_~#v~0#1.offset := #Ultimate.allocOnStack(4 * main_~SIZE~0#1 % 4294967296);main_~j~0#1 := 0; 4021#L20-3 assume !!(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);havoc main_#t~nondet6#1;call write~int(main_#t~nondet6#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~nondet6#1; 4038#L20-2 main_#t~post5#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 4039#L20-3 assume !!(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);havoc main_#t~nondet6#1;call write~int(main_#t~nondet6#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~nondet6#1; 4040#L20-2 main_#t~post5#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 4041#L20-3 assume !!(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);havoc main_#t~nondet6#1;call write~int(main_#t~nondet6#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~nondet6#1; 4049#L20-2 main_#t~post5#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 4048#L20-3 assume !!(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);havoc main_#t~nondet6#1;call write~int(main_#t~nondet6#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~nondet6#1; 4047#L20-2 main_#t~post5#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 4046#L20-3 assume !(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296); 4032#L20-4 main_~j~0#1 := 1; 4033#L22-3 assume !!(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);call main_#t~mem8#1 := read~int(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);main_~key~0#1 := main_#t~mem8#1;havoc main_#t~mem8#1;main_~i~0#1 := main_~j~0#1 - 1; 4043#L25-5 main_#t~short10#1 := main_~i~0#1 >= 0; 4050#L25-1 assume main_#t~short10#1;call main_#t~mem9#1 := read~int(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~i~0#1, 4);main_#t~short10#1 := main_#t~mem9#1 > main_~key~0#1; 4012#L25-3 assume !main_#t~short10#1;havoc main_#t~mem9#1;havoc main_#t~short10#1; 4013#L25-6 call write~int(main_~key~0#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * (1 + main_~i~0#1), 4); 4062#L22-2 main_#t~post7#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1; 4063#L22-3 assume !!(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);call main_#t~mem8#1 := read~int(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);main_~key~0#1 := main_#t~mem8#1;havoc main_#t~mem8#1;main_~i~0#1 := main_~j~0#1 - 1; 4095#L25-5 main_#t~short10#1 := main_~i~0#1 >= 0; 4060#L25-1 assume main_#t~short10#1;call main_#t~mem9#1 := read~int(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~i~0#1, 4);main_#t~short10#1 := main_#t~mem9#1 > main_~key~0#1; 4064#L25-3 assume !main_#t~short10#1;havoc main_#t~mem9#1;havoc main_#t~short10#1; 4065#L25-6 call write~int(main_~key~0#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * (1 + main_~i~0#1), 4); 4087#L22-2 main_#t~post7#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1; 4085#L22-3 assume !!(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);call main_#t~mem8#1 := read~int(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);main_~key~0#1 := main_#t~mem8#1;havoc main_#t~mem8#1;main_~i~0#1 := main_~j~0#1 - 1; 4059#L25-5 main_#t~short10#1 := main_~i~0#1 >= 0; 4016#L25-1 [2023-11-12 02:30:19,170 INFO L750 eck$LassoCheckResult]: Loop: 4016#L25-1 assume main_#t~short10#1;call main_#t~mem9#1 := read~int(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~i~0#1, 4);main_#t~short10#1 := main_#t~mem9#1 > main_~key~0#1; 4017#L25-3 assume !!main_#t~short10#1;havoc main_#t~mem9#1;havoc main_#t~short10#1; 4022#L26 assume !(main_~i~0#1 < 2); 4023#L26-2 main_~i~0#1 := main_~i~0#1 - 1; 4029#L25-5 main_#t~short10#1 := main_~i~0#1 >= 0; 4016#L25-1 [2023-11-12 02:30:19,170 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:30:19,170 INFO L85 PathProgramCache]: Analyzing trace with hash 1612687059, now seen corresponding path program 7 times [2023-11-12 02:30:19,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:30:19,170 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [409372823] [2023-11-12 02:30:19,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:30:19,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:30:19,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:30:19,199 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:30:19,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:30:19,224 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:30:19,224 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:30:19,224 INFO L85 PathProgramCache]: Analyzing trace with hash 64189719, now seen corresponding path program 4 times [2023-11-12 02:30:19,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:30:19,225 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [489778244] [2023-11-12 02:30:19,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:30:19,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:30:19,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:30:19,228 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:30:19,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:30:19,231 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:30:19,232 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:30:19,232 INFO L85 PathProgramCache]: Analyzing trace with hash -1981464187, now seen corresponding path program 2 times [2023-11-12 02:30:19,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:30:19,232 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1195562274] [2023-11-12 02:30:19,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:30:19,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:30:19,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:30:19,253 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:30:19,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:30:19,273 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:30:28,847 WARN L293 SmtUtils]: Spent 9.47s on a formula simplification. DAG size of input: 242 DAG size of output: 166 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-12 02:30:35,948 WARN L293 SmtUtils]: Spent 5.99s on a formula simplification that was a NOOP. DAG size: 82 (called from [L 302] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-12 02:30:35,950 INFO L210 LassoAnalysis]: Preferences: [2023-11-12 02:30:35,950 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-12 02:30:35,950 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-12 02:30:35,951 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-12 02:30:35,951 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-12 02:30:35,951 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:30:35,951 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-12 02:30:35,951 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-12 02:30:35,951 INFO L133 ssoRankerPreferences]: Filename of dumped script: insertion_sort-1-2.c_Iteration17_Lasso [2023-11-12 02:30:35,951 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-12 02:30:35,951 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-12 02:30:35,954 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:30:35,956 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:30:35,958 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:30:35,960 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:30:35,962 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:30:35,964 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:30:35,967 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:30:35,969 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:30:35,971 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:30:35,973 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:30:35,979 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:30:35,981 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:30:35,983 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:30:35,986 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true