./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/array-memsafety/bubblesort-alloca-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version e04fb08f 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_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/array-memsafety/bubblesort-alloca-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 71daa4447a811360729951159d42c752715aafb50c3ad4dcb2ed5d242a4f4a78 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-e04fb08 [2022-11-16 11:01:43,439 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 11:01:43,442 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 11:01:43,490 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 11:01:43,491 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 11:01:43,492 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 11:01:43,494 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 11:01:43,505 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 11:01:43,507 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 11:01:43,509 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 11:01:43,510 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 11:01:43,511 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 11:01:43,512 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 11:01:43,513 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 11:01:43,524 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 11:01:43,527 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 11:01:43,530 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 11:01:43,534 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 11:01:43,535 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 11:01:43,538 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 11:01:43,539 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 11:01:43,549 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 11:01:43,550 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 11:01:43,551 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 11:01:43,555 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 11:01:43,555 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 11:01:43,556 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 11:01:43,557 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 11:01:43,557 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 11:01:43,563 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 11:01:43,563 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 11:01:43,565 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 11:01:43,567 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 11:01:43,568 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 11:01:43,570 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 11:01:43,570 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 11:01:43,571 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 11:01:43,571 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 11:01:43,572 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 11:01:43,573 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 11:01:43,574 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 11:01:43,575 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-11-16 11:01:43,627 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 11:01:43,627 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 11:01:43,628 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 11:01:43,628 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 11:01:43,630 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 11:01:43,630 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 11:01:43,631 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 11:01:43,631 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-16 11:01:43,631 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-16 11:01:43,631 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-16 11:01:43,633 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-16 11:01:43,633 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-16 11:01:43,633 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-16 11:01:43,634 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 11:01:43,634 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 11:01:43,634 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-16 11:01:43,634 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 11:01:43,635 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 11:01:43,635 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 11:01:43,635 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-16 11:01:43,635 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-16 11:01:43,636 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-16 11:01:43,636 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 11:01:43,638 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 11:01:43,638 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-16 11:01:43,638 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 11:01:43,639 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-16 11:01:43,639 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 11:01:43,639 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 11:01:43,639 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 11:01:43,640 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 11:01:43,642 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-16 11:01:43,642 INFO L138 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_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 71daa4447a811360729951159d42c752715aafb50c3ad4dcb2ed5d242a4f4a78 [2022-11-16 11:01:43,950 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 11:01:43,977 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 11:01:43,980 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 11:01:43,982 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 11:01:43,987 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 11:01:43,989 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/array-memsafety/bubblesort-alloca-2.i [2022-11-16 11:01:44,066 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/data/a4aa23aa1/03ac5abd23fa432db599eee0589eb7df/FLAGde924e678 [2022-11-16 11:01:44,769 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 11:01:44,770 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/sv-benchmarks/c/array-memsafety/bubblesort-alloca-2.i [2022-11-16 11:01:44,784 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/data/a4aa23aa1/03ac5abd23fa432db599eee0589eb7df/FLAGde924e678 [2022-11-16 11:01:45,046 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/data/a4aa23aa1/03ac5abd23fa432db599eee0589eb7df [2022-11-16 11:01:45,050 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 11:01:45,051 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 11:01:45,056 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 11:01:45,056 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 11:01:45,060 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 11:01:45,061 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:01:45" (1/1) ... [2022-11-16 11:01:45,063 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e68b5fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:01:45, skipping insertion in model container [2022-11-16 11:01:45,064 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:01:45" (1/1) ... [2022-11-16 11:01:45,074 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 11:01:45,130 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 11:01:45,651 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:01:45,665 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 11:01:45,720 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:01:45,747 INFO L208 MainTranslator]: Completed translation [2022-11-16 11:01:45,748 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:01:45 WrapperNode [2022-11-16 11:01:45,748 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 11:01:45,750 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 11:01:45,750 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 11:01:45,750 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 11:01:45,759 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:01:45" (1/1) ... [2022-11-16 11:01:45,772 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:01:45" (1/1) ... [2022-11-16 11:01:45,795 INFO L138 Inliner]: procedures = 116, calls = 13, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 63 [2022-11-16 11:01:45,796 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 11:01:45,796 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 11:01:45,797 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 11:01:45,797 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 11:01:45,804 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:01:45" (1/1) ... [2022-11-16 11:01:45,805 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:01:45" (1/1) ... [2022-11-16 11:01:45,808 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:01:45" (1/1) ... [2022-11-16 11:01:45,809 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:01:45" (1/1) ... [2022-11-16 11:01:45,815 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:01:45" (1/1) ... [2022-11-16 11:01:45,820 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:01:45" (1/1) ... [2022-11-16 11:01:45,822 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:01:45" (1/1) ... [2022-11-16 11:01:45,823 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:01:45" (1/1) ... [2022-11-16 11:01:45,825 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 11:01:45,826 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 11:01:45,827 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 11:01:45,827 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 11:01:45,828 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:01:45" (1/1) ... [2022-11-16 11:01:45,836 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:01:45,850 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:01:45,863 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:01:45,872 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-16 11:01:45,914 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 11:01:45,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 11:01:45,915 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 11:01:45,915 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 11:01:45,915 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 11:01:45,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 11:01:46,043 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 11:01:46,046 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 11:01:46,196 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 11:01:46,204 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 11:01:46,204 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-16 11:01:46,207 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:01:46 BoogieIcfgContainer [2022-11-16 11:01:46,207 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 11:01:46,208 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-16 11:01:46,208 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-16 11:01:46,216 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-16 11:01:46,217 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 11:01:46,217 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 16.11 11:01:45" (1/3) ... [2022-11-16 11:01:46,218 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@790d615b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.11 11:01:46, skipping insertion in model container [2022-11-16 11:01:46,218 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 11:01:46,219 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:01:45" (2/3) ... [2022-11-16 11:01:46,219 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@790d615b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.11 11:01:46, skipping insertion in model container [2022-11-16 11:01:46,219 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 11:01:46,220 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:01:46" (3/3) ... [2022-11-16 11:01:46,221 INFO L332 chiAutomizerObserver]: Analyzing ICFG bubblesort-alloca-2.i [2022-11-16 11:01:46,288 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-16 11:01:46,289 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-16 11:01:46,289 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-16 11:01:46,289 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-16 11:01:46,289 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-16 11:01:46,290 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-16 11:01:46,290 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-16 11:01:46,290 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-16 11:01:46,296 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 16 states, 15 states have (on average 1.5333333333333334) internal successors, (23), 15 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:01:46,319 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2022-11-16 11:01:46,320 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 11:01:46,320 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 11:01:46,327 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-11-16 11:01:46,328 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-16 11:01:46,328 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-16 11:01:46,329 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 16 states, 15 states have (on average 1.5333333333333334) internal successors, (23), 15 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:01:46,331 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2022-11-16 11:01:46,331 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 11:01:46,332 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 11:01:46,332 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-11-16 11:01:46,332 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-16 11:01:46,342 INFO L748 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet11#1, main_#t~post10#1, main_~k~0#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;main_~array_size~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1; 11#L527true assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911); 12#L527-2true call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 4294967296);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;main_~k~0#1 := 0; 15#L532-3true [2022-11-16 11:01:46,343 INFO L750 eck$LassoCheckResult]: Loop: 15#L532-3true assume !!(main_~k~0#1 < main_~array_size~0#1);call write~int(main_#t~nondet11#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~k~0#1, 4);havoc main_#t~nondet11#1; 4#L532-2true main_#t~post10#1 := main_~k~0#1;main_~k~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 15#L532-3true [2022-11-16 11:01:46,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:01:46,373 INFO L85 PathProgramCache]: Analyzing trace with hash 925669, now seen corresponding path program 1 times [2022-11-16 11:01:46,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:01:46,401 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1054873416] [2022-11-16 11:01:46,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:01:46,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:01:46,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:01:46,597 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 11:01:46,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:01:46,669 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 11:01:46,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:01:46,677 INFO L85 PathProgramCache]: Analyzing trace with hash 1507, now seen corresponding path program 1 times [2022-11-16 11:01:46,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:01:46,678 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1686113279] [2022-11-16 11:01:46,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:01:46,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:01:46,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:01:46,711 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 11:01:46,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:01:46,732 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 11:01:46,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:01:46,736 INFO L85 PathProgramCache]: Analyzing trace with hash 889568455, now seen corresponding path program 1 times [2022-11-16 11:01:46,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:01:46,741 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1682355881] [2022-11-16 11:01:46,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:01:46,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:01:46,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:01:46,792 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 11:01:46,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:01:46,824 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 11:01:47,358 INFO L210 LassoAnalysis]: Preferences: [2022-11-16 11:01:47,359 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-16 11:01:47,360 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-16 11:01:47,360 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-16 11:01:47,360 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-16 11:01:47,360 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:01:47,361 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-16 11:01:47,361 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-16 11:01:47,362 INFO L133 ssoRankerPreferences]: Filename of dumped script: bubblesort-alloca-2.i_Iteration1_Lasso [2022-11-16 11:01:47,362 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-16 11:01:47,362 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-16 11:01:47,395 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:01:47,410 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:01:47,417 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:01:47,422 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:01:47,431 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:01:47,750 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:01:47,756 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:01:47,760 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:01:47,765 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:01:48,167 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-16 11:01:48,173 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-16 11:01:48,175 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:01:48,175 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:01:48,177 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:01:48,183 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-16 11:01:48,184 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 [2022-11-16 11:01:48,201 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:01:48,202 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 11:01:48,202 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:01:48,203 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:01:48,203 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:01:48,206 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 11:01:48,206 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 11:01:48,218 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:01:48,228 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-11-16 11:01:48,229 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:01:48,229 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:01:48,230 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:01:48,237 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 [2022-11-16 11:01:48,251 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-16 11:01:48,255 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:01:48,256 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:01:48,256 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:01:48,256 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:01:48,260 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 11:01:48,261 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 11:01:48,273 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:01:48,282 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-11-16 11:01:48,282 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:01:48,283 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:01:48,284 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:01:48,297 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 [2022-11-16 11:01:48,310 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:01:48,310 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 11:01:48,310 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:01:48,310 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:01:48,311 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:01:48,311 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-16 11:01:48,312 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 11:01:48,312 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 11:01:48,322 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:01:48,330 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-11-16 11:01:48,331 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:01:48,331 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:01:48,332 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:01:48,337 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-16 11:01:48,338 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 [2022-11-16 11:01:48,352 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:01:48,352 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:01:48,352 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:01:48,352 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:01:48,355 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 11:01:48,355 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 11:01:48,374 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:01:48,380 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-11-16 11:01:48,381 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:01:48,381 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:01:48,382 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:01:48,387 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 [2022-11-16 11:01:48,400 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-16 11:01:48,400 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:01:48,401 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 11:01:48,401 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:01:48,401 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:01:48,401 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:01:48,402 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 11:01:48,402 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 11:01:48,418 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:01:48,423 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-11-16 11:01:48,423 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:01:48,423 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:01:48,427 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:01:48,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-16 11:01:48,431 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 [2022-11-16 11:01:48,445 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:01:48,445 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:01:48,445 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:01:48,445 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:01:48,450 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 11:01:48,450 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 11:01:48,474 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:01:48,485 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-11-16 11:01:48,490 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:01:48,490 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:01:48,492 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:01:48,501 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-11-16 11:01:48,501 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 [2022-11-16 11:01:48,516 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:01:48,516 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:01:48,516 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:01:48,517 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:01:48,535 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 11:01:48,536 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 11:01:48,556 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-16 11:01:48,586 INFO L443 ModelExtractionUtils]: Simplification made 9 calls to the SMT solver. [2022-11-16 11:01:48,586 INFO L444 ModelExtractionUtils]: 14 out of 22 variables were initially zero. Simplification set additionally 5 variables to zero. [2022-11-16 11:01:48,588 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:01:48,588 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:01:48,597 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:01:48,616 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-16 11:01:48,629 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-11-16 11:01:48,645 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-16 11:01:48,645 INFO L513 LassoAnalysis]: Proved termination. [2022-11-16 11:01:48,646 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~array_size~0#1, ULTIMATE.start_main_~k~0#1) = 1*ULTIMATE.start_main_~array_size~0#1 - 1*ULTIMATE.start_main_~k~0#1 Supporting invariants [] [2022-11-16 11:01:48,657 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-11-16 11:01:48,690 INFO L156 tatePredicateManager]: 3 out of 3 supporting invariants were superfluous and have been removed [2022-11-16 11:01:48,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:01:48,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:01:48,748 INFO L263 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-16 11:01:48,749 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:01:48,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:01:48,768 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-16 11:01:48,769 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:01:48,785 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:01:48,840 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 [2022-11-16 11:01:48,842 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 16 states, 15 states have (on average 1.5333333333333334) internal successors, (23), 15 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2022-11-16 11:01:48,917 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 16 states, 15 states have (on average 1.5333333333333334) internal successors, (23), 15 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 38 states and 56 transitions. Complement of second has 7 states. [2022-11-16 11:01:48,919 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 [2022-11-16 11:01:48,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2022-11-16 11:01:48,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 37 transitions. [2022-11-16 11:01:48,933 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 37 transitions. Stem has 4 letters. Loop has 2 letters. [2022-11-16 11:01:48,934 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 11:01:48,934 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 37 transitions. Stem has 6 letters. Loop has 2 letters. [2022-11-16 11:01:48,934 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 11:01:48,935 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 37 transitions. Stem has 4 letters. Loop has 4 letters. [2022-11-16 11:01:48,935 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 11:01:48,936 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 38 states and 56 transitions. [2022-11-16 11:01:48,943 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-11-16 11:01:48,948 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 38 states to 13 states and 18 transitions. [2022-11-16 11:01:48,949 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2022-11-16 11:01:48,950 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2022-11-16 11:01:48,950 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 18 transitions. [2022-11-16 11:01:48,951 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:01:48,952 INFO L218 hiAutomatonCegarLoop]: Abstraction has 13 states and 18 transitions. [2022-11-16 11:01:48,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 18 transitions. [2022-11-16 11:01:48,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2022-11-16 11:01:48,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 12 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:01:48,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 18 transitions. [2022-11-16 11:01:48,986 INFO L240 hiAutomatonCegarLoop]: Abstraction has 13 states and 18 transitions. [2022-11-16 11:01:48,986 INFO L428 stractBuchiCegarLoop]: Abstraction has 13 states and 18 transitions. [2022-11-16 11:01:48,986 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-16 11:01:48,986 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 18 transitions. [2022-11-16 11:01:48,989 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-11-16 11:01:48,989 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 11:01:48,990 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 11:01:48,990 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2022-11-16 11:01:48,991 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-16 11:01:48,998 INFO L748 eck$LassoCheckResult]: Stem: 112#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 113#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet11#1, main_#t~post10#1, main_~k~0#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;main_~array_size~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1; 110#L527 assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911); 111#L527-2 call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 4294967296);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;main_~k~0#1 := 0; 114#L532-3 assume !(main_~k~0#1 < main_~array_size~0#1); 117#L532-4 assume { :begin_inline_bubbleSort } true;bubbleSort_#in~numbers#1.base, bubbleSort_#in~numbers#1.offset, bubbleSort_#in~array_size#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc bubbleSort_#t~mem4#1, bubbleSort_#t~mem5#1, bubbleSort_#t~mem6#1, bubbleSort_#t~mem7#1, bubbleSort_#t~post3#1, bubbleSort_#t~post2#1, bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset, bubbleSort_~array_size#1, bubbleSort_~i~0#1, bubbleSort_~j~0#1, bubbleSort_~temp~0#1;bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset := bubbleSort_#in~numbers#1.base, bubbleSort_#in~numbers#1.offset;bubbleSort_~array_size#1 := bubbleSort_#in~array_size#1;havoc bubbleSort_~i~0#1;havoc bubbleSort_~j~0#1;havoc bubbleSort_~temp~0#1;bubbleSort_~i~0#1 := bubbleSort_~array_size#1 - 1; 118#L515-3 [2022-11-16 11:01:48,998 INFO L750 eck$LassoCheckResult]: Loop: 118#L515-3 assume !!(bubbleSort_~i~0#1 >= 0);bubbleSort_~j~0#1 := 1; 119#L516-3 assume !(bubbleSort_~j~0#1 <= bubbleSort_~i~0#1); 120#L515-2 bubbleSort_#t~post2#1 := bubbleSort_~i~0#1;bubbleSort_~i~0#1 := bubbleSort_#t~post2#1 - 1;havoc bubbleSort_#t~post2#1; 118#L515-3 [2022-11-16 11:01:49,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:01:49,002 INFO L85 PathProgramCache]: Analyzing trace with hash 889568397, now seen corresponding path program 1 times [2022-11-16 11:01:49,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:01:49,003 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1895675842] [2022-11-16 11:01:49,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:01:49,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:01:49,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:01:49,144 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:01:49,145 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:01:49,145 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1895675842] [2022-11-16 11:01:49,146 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1895675842] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:01:49,146 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:01:49,146 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 11:01:49,147 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1795980277] [2022-11-16 11:01:49,148 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:01:49,150 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-16 11:01:49,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:01:49,151 INFO L85 PathProgramCache]: Analyzing trace with hash 60779, now seen corresponding path program 1 times [2022-11-16 11:01:49,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:01:49,152 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1369118947] [2022-11-16 11:01:49,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:01:49,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:01:49,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:01:49,158 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 11:01:49,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:01:49,162 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 11:01:49,190 INFO L210 LassoAnalysis]: Preferences: [2022-11-16 11:01:49,190 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-16 11:01:49,190 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-16 11:01:49,191 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-16 11:01:49,191 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-16 11:01:49,191 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:01:49,191 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-16 11:01:49,191 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-16 11:01:49,208 INFO L133 ssoRankerPreferences]: Filename of dumped script: bubblesort-alloca-2.i_Iteration2_Loop [2022-11-16 11:01:49,208 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-16 11:01:49,208 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-16 11:01:49,210 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:01:49,214 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:01:49,217 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:01:49,221 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:01:49,231 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:01:49,234 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-11-16 11:01:49,301 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-16 11:01:49,302 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-16 11:01:49,304 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:01:49,304 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:01:49,305 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:01:49,316 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-16 11:01:49,316 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-16 11:01:49,317 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-11-16 11:01:49,336 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-16 11:01:49,336 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_bubbleSort_#t~post2#1=0} Honda state: {ULTIMATE.start_bubbleSort_#t~post2#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-16 11:01:49,343 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-11-16 11:01:49,343 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:01:49,343 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:01:49,344 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:01:49,347 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-11-16 11:01:49,352 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-16 11:01:49,352 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-16 11:01:49,371 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-16 11:01:49,371 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~P_PGID_2=2} Honda state: {v_rep~unnamed0~0~P_PGID_2=2} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-16 11:01:49,376 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-11-16 11:01:49,376 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:01:49,376 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:01:49,377 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:01:49,388 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-16 11:01:49,388 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-16 11:01:49,402 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-11-16 11:01:49,424 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-16 11:01:49,424 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~P_PID_2=1} Honda state: {v_rep~unnamed0~0~P_PID_2=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-16 11:01:49,434 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2022-11-16 11:01:49,435 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:01:49,435 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:01:49,436 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:01:49,448 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-16 11:01:49,448 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-16 11:01:49,463 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-11-16 11:01:49,484 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-11-16 11:01:49,485 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:01:49,485 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:01:49,486 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:01:49,490 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-16 11:01:49,491 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-16 11:01:49,505 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-11-16 11:01:49,539 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-16 11:01:49,550 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-11-16 11:01:49,550 INFO L210 LassoAnalysis]: Preferences: [2022-11-16 11:01:49,550 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-16 11:01:49,550 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-16 11:01:49,550 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-16 11:01:49,550 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-16 11:01:49,551 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:01:49,551 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-16 11:01:49,551 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-16 11:01:49,551 INFO L133 ssoRankerPreferences]: Filename of dumped script: bubblesort-alloca-2.i_Iteration2_Loop [2022-11-16 11:01:49,551 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-16 11:01:49,551 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-16 11:01:49,552 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:01:49,563 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:01:49,568 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:01:49,572 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:01:49,576 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:01:49,687 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-16 11:01:49,688 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-16 11:01:49,688 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:01:49,688 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:01:49,690 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:01:49,699 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 [2022-11-16 11:01:49,710 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-11-16 11:01:49,714 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:01:49,714 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:01:49,715 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:01:49,715 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:01:49,719 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 11:01:49,719 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 11:01:49,735 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:01:49,739 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-11-16 11:01:49,740 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:01:49,740 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:01:49,742 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:01:49,746 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-11-16 11:01:49,748 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 [2022-11-16 11:01:49,763 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:01:49,763 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 11:01:49,764 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:01:49,764 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:01:49,764 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:01:49,765 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 11:01:49,765 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 11:01:49,774 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:01:49,783 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2022-11-16 11:01:49,784 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:01:49,784 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:01:49,786 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:01:49,791 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-11-16 11:01:49,794 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 [2022-11-16 11:01:49,809 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:01:49,810 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:01:49,810 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:01:49,810 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:01:49,812 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 11:01:49,813 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 11:01:49,830 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:01:49,840 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2022-11-16 11:01:49,841 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:01:49,841 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:01:49,842 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:01:49,857 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 11:01:49,871 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-11-16 11:01:49,872 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:01:49,872 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:01:49,872 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:01:49,872 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:01:49,877 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 11:01:49,877 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 11:01:49,894 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:01:49,899 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2022-11-16 11:01:49,900 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:01:49,900 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:01:49,901 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:01:49,911 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-11-16 11:01:49,911 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 [2022-11-16 11:01:49,926 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:01:49,926 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 11:01:49,927 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:01:49,927 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:01:49,927 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:01:49,929 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 11:01:49,929 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 11:01:49,946 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-16 11:01:49,951 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-11-16 11:01:49,952 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-11-16 11:01:49,952 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:01:49,952 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:01:49,955 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:01:49,971 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-16 11:01:49,971 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-11-16 11:01:49,972 INFO L513 LassoAnalysis]: Proved termination. [2022-11-16 11:01:49,972 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_bubbleSort_~i~0#1) = 2*ULTIMATE.start_bubbleSort_~i~0#1 + 1 Supporting invariants [] [2022-11-16 11:01:49,986 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2022-11-16 11:01:49,987 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2022-11-16 11:01:49,987 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-11-16 11:01:50,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:01:50,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:01:50,034 INFO L263 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-16 11:01:50,035 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:01:50,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:01:50,059 WARN L261 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-16 11:01:50,060 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:01:50,095 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:01:50,097 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 [2022-11-16 11:01:50,097 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states and 18 transitions. cyclomatic complexity: 7 Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:01:50,135 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states and 18 transitions. cyclomatic complexity: 7. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 19 states and 28 transitions. Complement of second has 4 states. [2022-11-16 11:01:50,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-11-16 11:01:50,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:01:50,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 16 transitions. [2022-11-16 11:01:50,139 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 16 transitions. Stem has 6 letters. Loop has 3 letters. [2022-11-16 11:01:50,140 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 11:01:50,140 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 16 transitions. Stem has 9 letters. Loop has 3 letters. [2022-11-16 11:01:50,140 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 11:01:50,140 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 16 transitions. Stem has 6 letters. Loop has 6 letters. [2022-11-16 11:01:50,141 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 11:01:50,141 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 19 states and 28 transitions. [2022-11-16 11:01:50,145 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-16 11:01:50,146 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 19 states to 18 states and 26 transitions. [2022-11-16 11:01:50,146 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2022-11-16 11:01:50,146 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2022-11-16 11:01:50,147 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 26 transitions. [2022-11-16 11:01:50,147 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-16 11:01:50,147 INFO L218 hiAutomatonCegarLoop]: Abstraction has 18 states and 26 transitions. [2022-11-16 11:01:50,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 26 transitions. [2022-11-16 11:01:50,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 17. [2022-11-16 11:01:50,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 16 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) [2022-11-16 11:01:50,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 25 transitions. [2022-11-16 11:01:50,152 INFO L240 hiAutomatonCegarLoop]: Abstraction has 17 states and 25 transitions. [2022-11-16 11:01:50,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:01:50,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 11:01:50,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-16 11:01:50,159 INFO L87 Difference]: Start difference. First operand 17 states and 25 transitions. Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 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) [2022-11-16 11:01:50,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:01:50,197 INFO L93 Difference]: Finished difference Result 18 states and 25 transitions. [2022-11-16 11:01:50,197 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 25 transitions. [2022-11-16 11:01:50,198 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-16 11:01:50,204 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 18 states and 25 transitions. [2022-11-16 11:01:50,204 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2022-11-16 11:01:50,204 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2022-11-16 11:01:50,204 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 25 transitions. [2022-11-16 11:01:50,205 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-16 11:01:50,205 INFO L218 hiAutomatonCegarLoop]: Abstraction has 18 states and 25 transitions. [2022-11-16 11:01:50,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 25 transitions. [2022-11-16 11:01:50,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 17. [2022-11-16 11:01:50,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 1.411764705882353) internal successors, (24), 16 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:01:50,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 24 transitions. [2022-11-16 11:01:50,209 INFO L240 hiAutomatonCegarLoop]: Abstraction has 17 states and 24 transitions. [2022-11-16 11:01:50,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-16 11:01:50,211 INFO L428 stractBuchiCegarLoop]: Abstraction has 17 states and 24 transitions. [2022-11-16 11:01:50,212 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-11-16 11:01:50,212 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 24 transitions. [2022-11-16 11:01:50,215 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-16 11:01:50,215 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 11:01:50,215 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 11:01:50,216 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:01:50,216 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-16 11:01:50,217 INFO L748 eck$LassoCheckResult]: Stem: 225#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 226#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet11#1, main_#t~post10#1, main_~k~0#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;main_~array_size~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1; 223#L527 assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911); 224#L527-2 call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 4294967296);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;main_~k~0#1 := 0; 227#L532-3 assume !!(main_~k~0#1 < main_~array_size~0#1);call write~int(main_#t~nondet11#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~k~0#1, 4);havoc main_#t~nondet11#1; 228#L532-2 main_#t~post10#1 := main_~k~0#1;main_~k~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 229#L532-3 assume !(main_~k~0#1 < main_~array_size~0#1); 230#L532-4 assume { :begin_inline_bubbleSort } true;bubbleSort_#in~numbers#1.base, bubbleSort_#in~numbers#1.offset, bubbleSort_#in~array_size#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc bubbleSort_#t~mem4#1, bubbleSort_#t~mem5#1, bubbleSort_#t~mem6#1, bubbleSort_#t~mem7#1, bubbleSort_#t~post3#1, bubbleSort_#t~post2#1, bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset, bubbleSort_~array_size#1, bubbleSort_~i~0#1, bubbleSort_~j~0#1, bubbleSort_~temp~0#1;bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset := bubbleSort_#in~numbers#1.base, bubbleSort_#in~numbers#1.offset;bubbleSort_~array_size#1 := bubbleSort_#in~array_size#1;havoc bubbleSort_~i~0#1;havoc bubbleSort_~j~0#1;havoc bubbleSort_~temp~0#1;bubbleSort_~i~0#1 := bubbleSort_~array_size#1 - 1; 231#L515-3 assume !!(bubbleSort_~i~0#1 >= 0);bubbleSort_~j~0#1 := 1; 232#L516-3 [2022-11-16 11:01:50,218 INFO L750 eck$LassoCheckResult]: Loop: 232#L516-3 assume !!(bubbleSort_~j~0#1 <= bubbleSort_~i~0#1);call bubbleSort_#t~mem4#1 := read~int(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * (bubbleSort_~j~0#1 - 1), 4);call bubbleSort_#t~mem5#1 := read~int(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * bubbleSort_~j~0#1, 4); 233#L517 assume bubbleSort_#t~mem4#1 > bubbleSort_#t~mem5#1;havoc bubbleSort_#t~mem4#1;havoc bubbleSort_#t~mem5#1;call bubbleSort_#t~mem6#1 := read~int(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * (bubbleSort_~j~0#1 - 1), 4);bubbleSort_~temp~0#1 := bubbleSort_#t~mem6#1;havoc bubbleSort_#t~mem6#1;call bubbleSort_#t~mem7#1 := read~int(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * bubbleSort_~j~0#1, 4);call write~int(bubbleSort_#t~mem7#1, bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * (bubbleSort_~j~0#1 - 1), 4);havoc bubbleSort_#t~mem7#1;call write~int(bubbleSort_~temp~0#1, bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * bubbleSort_~j~0#1, 4); 238#L516-2 bubbleSort_#t~post3#1 := bubbleSort_~j~0#1;bubbleSort_~j~0#1 := 1 + bubbleSort_#t~post3#1;havoc bubbleSort_#t~post3#1; 232#L516-3 [2022-11-16 11:01:50,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:01:50,218 INFO L85 PathProgramCache]: Analyzing trace with hash 1185641744, now seen corresponding path program 1 times [2022-11-16 11:01:50,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:01:50,219 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [841272915] [2022-11-16 11:01:50,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:01:50,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:01:50,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:01:50,269 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 11:01:50,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:01:50,290 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 11:01:50,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:01:50,291 INFO L85 PathProgramCache]: Analyzing trace with hash 68618, now seen corresponding path program 1 times [2022-11-16 11:01:50,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:01:50,291 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [970286360] [2022-11-16 11:01:50,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:01:50,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:01:50,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:01:50,312 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 11:01:50,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:01:50,320 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 11:01:50,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:01:50,321 INFO L85 PathProgramCache]: Analyzing trace with hash -357807973, now seen corresponding path program 1 times [2022-11-16 11:01:50,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:01:50,321 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1092060118] [2022-11-16 11:01:50,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:01:50,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:01:50,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:01:50,607 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:01:50,608 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:01:50,608 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1092060118] [2022-11-16 11:01:50,608 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1092060118] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 11:01:50,608 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [331163027] [2022-11-16 11:01:50,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:01:50,609 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 11:01:50,609 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:01:50,610 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 11:01:50,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2022-11-16 11:01:50,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:01:50,700 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-16 11:01:50,702 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:01:50,780 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:01:50,780 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 11:01:50,842 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:01:50,843 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [331163027] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 11:01:50,843 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-16 11:01:50,843 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7, 7] total 12 [2022-11-16 11:01:50,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [175544729] [2022-11-16 11:01:50,844 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-16 11:01:50,935 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2022-11-16 11:01:50,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:01:51,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-16 11:01:51,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2022-11-16 11:01:51,000 INFO L87 Difference]: Start difference. First operand 17 states and 24 transitions. cyclomatic complexity: 10 Second operand has 12 states, 12 states have (on average 1.75) internal successors, (21), 12 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) [2022-11-16 11:01:51,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:01:51,147 INFO L93 Difference]: Finished difference Result 30 states and 40 transitions. [2022-11-16 11:01:51,147 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 30 states and 40 transitions. [2022-11-16 11:01:51,150 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-16 11:01:51,152 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 30 states to 20 states and 26 transitions. [2022-11-16 11:01:51,152 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2022-11-16 11:01:51,153 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2022-11-16 11:01:51,153 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 26 transitions. [2022-11-16 11:01:51,153 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-16 11:01:51,153 INFO L218 hiAutomatonCegarLoop]: Abstraction has 20 states and 26 transitions. [2022-11-16 11:01:51,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 26 transitions. [2022-11-16 11:01:51,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 19. [2022-11-16 11:01:51,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 19 states have (on average 1.3157894736842106) internal successors, (25), 18 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) [2022-11-16 11:01:51,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 25 transitions. [2022-11-16 11:01:51,158 INFO L240 hiAutomatonCegarLoop]: Abstraction has 19 states and 25 transitions. [2022-11-16 11:01:51,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-16 11:01:51,159 INFO L428 stractBuchiCegarLoop]: Abstraction has 19 states and 25 transitions. [2022-11-16 11:01:51,160 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-11-16 11:01:51,160 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 25 transitions. [2022-11-16 11:01:51,162 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-16 11:01:51,162 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 11:01:51,162 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 11:01:51,163 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:01:51,163 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-16 11:01:51,163 INFO L748 eck$LassoCheckResult]: Stem: 363#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 364#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet11#1, main_#t~post10#1, main_~k~0#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;main_~array_size~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1; 361#L527 assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911); 362#L527-2 call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 4294967296);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;main_~k~0#1 := 0; 365#L532-3 assume !!(main_~k~0#1 < main_~array_size~0#1);call write~int(main_#t~nondet11#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~k~0#1, 4);havoc main_#t~nondet11#1; 366#L532-2 main_#t~post10#1 := main_~k~0#1;main_~k~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 367#L532-3 assume !!(main_~k~0#1 < main_~array_size~0#1);call write~int(main_#t~nondet11#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~k~0#1, 4);havoc main_#t~nondet11#1; 378#L532-2 main_#t~post10#1 := main_~k~0#1;main_~k~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 379#L532-3 assume !(main_~k~0#1 < main_~array_size~0#1); 368#L532-4 assume { :begin_inline_bubbleSort } true;bubbleSort_#in~numbers#1.base, bubbleSort_#in~numbers#1.offset, bubbleSort_#in~array_size#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc bubbleSort_#t~mem4#1, bubbleSort_#t~mem5#1, bubbleSort_#t~mem6#1, bubbleSort_#t~mem7#1, bubbleSort_#t~post3#1, bubbleSort_#t~post2#1, bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset, bubbleSort_~array_size#1, bubbleSort_~i~0#1, bubbleSort_~j~0#1, bubbleSort_~temp~0#1;bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset := bubbleSort_#in~numbers#1.base, bubbleSort_#in~numbers#1.offset;bubbleSort_~array_size#1 := bubbleSort_#in~array_size#1;havoc bubbleSort_~i~0#1;havoc bubbleSort_~j~0#1;havoc bubbleSort_~temp~0#1;bubbleSort_~i~0#1 := bubbleSort_~array_size#1 - 1; 369#L515-3 assume !!(bubbleSort_~i~0#1 >= 0);bubbleSort_~j~0#1 := 1; 370#L516-3 [2022-11-16 11:01:51,163 INFO L750 eck$LassoCheckResult]: Loop: 370#L516-3 assume !!(bubbleSort_~j~0#1 <= bubbleSort_~i~0#1);call bubbleSort_#t~mem4#1 := read~int(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * (bubbleSort_~j~0#1 - 1), 4);call bubbleSort_#t~mem5#1 := read~int(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * bubbleSort_~j~0#1, 4); 371#L517 assume bubbleSort_#t~mem4#1 > bubbleSort_#t~mem5#1;havoc bubbleSort_#t~mem4#1;havoc bubbleSort_#t~mem5#1;call bubbleSort_#t~mem6#1 := read~int(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * (bubbleSort_~j~0#1 - 1), 4);bubbleSort_~temp~0#1 := bubbleSort_#t~mem6#1;havoc bubbleSort_#t~mem6#1;call bubbleSort_#t~mem7#1 := read~int(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * bubbleSort_~j~0#1, 4);call write~int(bubbleSort_#t~mem7#1, bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * (bubbleSort_~j~0#1 - 1), 4);havoc bubbleSort_#t~mem7#1;call write~int(bubbleSort_~temp~0#1, bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * bubbleSort_~j~0#1, 4); 376#L516-2 bubbleSort_#t~post3#1 := bubbleSort_~j~0#1;bubbleSort_~j~0#1 := 1 + bubbleSort_#t~post3#1;havoc bubbleSort_#t~post3#1; 370#L516-3 [2022-11-16 11:01:51,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:01:51,165 INFO L85 PathProgramCache]: Analyzing trace with hash 1237095790, now seen corresponding path program 2 times [2022-11-16 11:01:51,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:01:51,169 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [745394655] [2022-11-16 11:01:51,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:01:51,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:01:51,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:01:51,199 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 11:01:51,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:01:51,231 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 11:01:51,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:01:51,236 INFO L85 PathProgramCache]: Analyzing trace with hash 68618, now seen corresponding path program 2 times [2022-11-16 11:01:51,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:01:51,237 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1771533543] [2022-11-16 11:01:51,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:01:51,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:01:51,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:01:51,245 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 11:01:51,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:01:51,251 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 11:01:51,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:01:51,251 INFO L85 PathProgramCache]: Analyzing trace with hash -793648259, now seen corresponding path program 2 times [2022-11-16 11:01:51,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:01:51,252 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1251503550] [2022-11-16 11:01:51,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:01:51,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:01:51,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:01:51,282 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 11:01:51,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:01:51,298 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 11:01:51,835 INFO L210 LassoAnalysis]: Preferences: [2022-11-16 11:01:51,835 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-16 11:01:51,836 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-16 11:01:51,836 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-16 11:01:51,836 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-16 11:01:51,836 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:01:51,836 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-16 11:01:51,836 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-16 11:01:51,836 INFO L133 ssoRankerPreferences]: Filename of dumped script: bubblesort-alloca-2.i_Iteration4_Lasso [2022-11-16 11:01:51,837 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-16 11:01:51,837 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-16 11:01:51,841 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:01:51,845 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:01:51,848 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:01:51,852 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:01:51,856 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:01:51,860 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:01:51,862 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:01:51,866 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:01:52,334 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:01:52,336 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:01:52,339 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:01:52,342 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:01:52,344 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:01:52,347 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:01:52,350 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:01:52,352 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:01:52,864 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-16 11:01:52,865 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-16 11:01:52,865 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:01:52,865 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:01:52,868 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:01:52,882 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 [2022-11-16 11:01:52,895 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2022-11-16 11:01:52,898 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:01:52,899 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 11:01:52,899 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:01:52,899 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:01:52,899 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:01:52,900 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 11:01:52,900 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 11:01:52,909 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:01:52,919 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2022-11-16 11:01:52,919 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:01:52,919 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:01:52,921 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:01:52,928 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 [2022-11-16 11:01:52,943 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2022-11-16 11:01:52,943 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:01:52,944 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 11:01:52,944 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:01:52,944 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:01:52,944 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:01:52,945 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 11:01:52,945 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 11:01:52,966 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:01:52,975 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2022-11-16 11:01:52,976 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:01:52,976 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:01:52,978 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:01:52,983 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 [2022-11-16 11:01:52,998 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2022-11-16 11:01:52,999 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:01:52,999 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:01:52,999 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:01:52,999 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:01:53,002 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 11:01:53,002 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 11:01:53,018 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:01:53,027 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2022-11-16 11:01:53,028 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:01:53,028 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:01:53,029 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:01:53,034 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 [2022-11-16 11:01:53,048 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2022-11-16 11:01:53,048 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:01:53,049 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 11:01:53,049 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:01:53,049 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:01:53,049 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:01:53,050 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 11:01:53,050 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 11:01:53,066 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:01:53,075 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2022-11-16 11:01:53,076 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:01:53,076 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:01:53,077 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:01:53,081 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 [2022-11-16 11:01:53,094 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2022-11-16 11:01:53,096 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:01:53,097 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:01:53,097 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:01:53,097 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:01:53,105 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 11:01:53,105 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 11:01:53,122 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:01:53,126 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2022-11-16 11:01:53,127 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:01:53,127 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:01:53,129 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:01:53,134 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 [2022-11-16 11:01:53,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2022-11-16 11:01:53,148 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:01:53,148 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 11:01:53,148 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:01:53,149 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:01:53,149 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:01:53,149 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 11:01:53,149 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 11:01:53,162 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:01:53,166 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2022-11-16 11:01:53,167 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:01:53,167 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:01:53,168 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:01:53,176 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 11:01:53,190 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2022-11-16 11:01:53,191 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:01:53,191 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:01:53,191 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:01:53,191 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:01:53,194 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 11:01:53,194 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 11:01:53,198 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:01:53,201 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2022-11-16 11:01:53,202 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:01:53,202 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:01:53,203 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:01:53,204 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2022-11-16 11:01:53,207 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 [2022-11-16 11:01:53,220 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:01:53,220 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:01:53,220 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:01:53,220 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:01:53,226 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 11:01:53,226 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 11:01:53,237 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:01:53,240 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2022-11-16 11:01:53,241 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:01:53,241 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:01:53,242 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:01:53,247 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2022-11-16 11:01:53,249 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 [2022-11-16 11:01:53,261 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:01:53,261 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:01:53,261 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:01:53,261 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:01:53,264 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 11:01:53,264 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 11:01:53,268 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:01:53,271 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2022-11-16 11:01:53,272 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:01:53,272 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:01:53,273 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:01:53,278 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2022-11-16 11:01:53,279 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 [2022-11-16 11:01:53,290 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:01:53,291 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:01:53,291 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:01:53,291 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:01:53,302 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 11:01:53,302 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 11:01:53,325 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:01:53,327 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2022-11-16 11:01:53,328 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:01:53,328 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:01:53,329 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:01:53,334 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 [2022-11-16 11:01:53,338 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2022-11-16 11:01:53,346 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:01:53,346 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:01:53,346 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:01:53,346 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:01:53,351 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 11:01:53,351 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 11:01:53,360 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:01:53,363 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2022-11-16 11:01:53,363 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:01:53,364 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:01:53,364 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:01:53,367 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2022-11-16 11:01:53,367 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 [2022-11-16 11:01:53,379 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:01:53,380 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:01:53,380 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:01:53,380 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:01:53,391 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 11:01:53,391 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 11:01:53,414 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-16 11:01:53,463 INFO L443 ModelExtractionUtils]: Simplification made 11 calls to the SMT solver. [2022-11-16 11:01:53,463 INFO L444 ModelExtractionUtils]: 7 out of 40 variables were initially zero. Simplification set additionally 27 variables to zero. [2022-11-16 11:01:53,463 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:01:53,464 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:01:53,466 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:01:53,468 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-16 11:01:53,468 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2022-11-16 11:01:53,480 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2022-11-16 11:01:53,480 INFO L513 LassoAnalysis]: Proved termination. [2022-11-16 11:01:53,481 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_bubbleSort_~numbers#1.offset, ULTIMATE.start_bubbleSort_~j~0#1) = -1*ULTIMATE.start_bubbleSort_~numbers#1.offset - 4*ULTIMATE.start_bubbleSort_~j~0#1 + 4294967289 Supporting invariants [-1*v_rep(select #length ULTIMATE.start_bubbleSort_~numbers#1.base)_1 + 4294967292 >= 0] [2022-11-16 11:01:53,485 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2022-11-16 11:01:53,511 INFO L156 tatePredicateManager]: 5 out of 6 supporting invariants were superfluous and have been removed [2022-11-16 11:01:53,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:01:53,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:01:53,573 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-16 11:01:53,574 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:01:53,665 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-16 11:01:53,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:01:53,732 INFO L263 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-16 11:01:53,733 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:01:53,774 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:01:53,774 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.3 stem predicates 2 loop predicates [2022-11-16 11:01:53,775 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 19 states and 25 transitions. cyclomatic complexity: 9 Second operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 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) [2022-11-16 11:01:53,848 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 19 states and 25 transitions. cyclomatic complexity: 9. Second operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 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 34 states and 47 transitions. Complement of second has 9 states. [2022-11-16 11:01:53,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 3 stem states 2 non-accepting loop states 1 accepting loop states [2022-11-16 11:01:53,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 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) [2022-11-16 11:01:53,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 15 transitions. [2022-11-16 11:01:53,850 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 15 transitions. Stem has 11 letters. Loop has 3 letters. [2022-11-16 11:01:53,850 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 11:01:53,850 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 15 transitions. Stem has 14 letters. Loop has 3 letters. [2022-11-16 11:01:53,851 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 11:01:53,851 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 15 transitions. Stem has 11 letters. Loop has 6 letters. [2022-11-16 11:01:53,851 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 11:01:53,851 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 34 states and 47 transitions. [2022-11-16 11:01:53,852 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-16 11:01:53,853 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 34 states to 24 states and 32 transitions. [2022-11-16 11:01:53,853 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2022-11-16 11:01:53,853 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2022-11-16 11:01:53,853 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 32 transitions. [2022-11-16 11:01:53,853 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-16 11:01:53,854 INFO L218 hiAutomatonCegarLoop]: Abstraction has 24 states and 32 transitions. [2022-11-16 11:01:53,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states and 32 transitions. [2022-11-16 11:01:53,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 19. [2022-11-16 11:01:53,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 19 states have (on average 1.263157894736842) internal successors, (24), 18 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:01:53,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 24 transitions. [2022-11-16 11:01:53,856 INFO L240 hiAutomatonCegarLoop]: Abstraction has 19 states and 24 transitions. [2022-11-16 11:01:53,856 INFO L428 stractBuchiCegarLoop]: Abstraction has 19 states and 24 transitions. [2022-11-16 11:01:53,856 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2022-11-16 11:01:53,856 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 24 transitions. [2022-11-16 11:01:53,857 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-16 11:01:53,857 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 11:01:53,857 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 11:01:53,858 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:01:53,858 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-16 11:01:53,858 INFO L748 eck$LassoCheckResult]: Stem: 516#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 517#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet11#1, main_#t~post10#1, main_~k~0#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;main_~array_size~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1; 514#L527 assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911); 515#L527-2 call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 4294967296);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;main_~k~0#1 := 0; 518#L532-3 assume !!(main_~k~0#1 < main_~array_size~0#1);call write~int(main_#t~nondet11#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~k~0#1, 4);havoc main_#t~nondet11#1; 519#L532-2 main_#t~post10#1 := main_~k~0#1;main_~k~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 520#L532-3 assume !!(main_~k~0#1 < main_~array_size~0#1);call write~int(main_#t~nondet11#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~k~0#1, 4);havoc main_#t~nondet11#1; 531#L532-2 main_#t~post10#1 := main_~k~0#1;main_~k~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 532#L532-3 assume !(main_~k~0#1 < main_~array_size~0#1); 521#L532-4 assume { :begin_inline_bubbleSort } true;bubbleSort_#in~numbers#1.base, bubbleSort_#in~numbers#1.offset, bubbleSort_#in~array_size#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc bubbleSort_#t~mem4#1, bubbleSort_#t~mem5#1, bubbleSort_#t~mem6#1, bubbleSort_#t~mem7#1, bubbleSort_#t~post3#1, bubbleSort_#t~post2#1, bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset, bubbleSort_~array_size#1, bubbleSort_~i~0#1, bubbleSort_~j~0#1, bubbleSort_~temp~0#1;bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset := bubbleSort_#in~numbers#1.base, bubbleSort_#in~numbers#1.offset;bubbleSort_~array_size#1 := bubbleSort_#in~array_size#1;havoc bubbleSort_~i~0#1;havoc bubbleSort_~j~0#1;havoc bubbleSort_~temp~0#1;bubbleSort_~i~0#1 := bubbleSort_~array_size#1 - 1; 522#L515-3 assume !!(bubbleSort_~i~0#1 >= 0);bubbleSort_~j~0#1 := 1; 525#L516-3 assume !(bubbleSort_~j~0#1 <= bubbleSort_~i~0#1); 526#L515-2 bubbleSort_#t~post2#1 := bubbleSort_~i~0#1;bubbleSort_~i~0#1 := bubbleSort_#t~post2#1 - 1;havoc bubbleSort_#t~post2#1; 528#L515-3 assume !!(bubbleSort_~i~0#1 >= 0);bubbleSort_~j~0#1 := 1; 523#L516-3 [2022-11-16 11:01:53,859 INFO L750 eck$LassoCheckResult]: Loop: 523#L516-3 assume !!(bubbleSort_~j~0#1 <= bubbleSort_~i~0#1);call bubbleSort_#t~mem4#1 := read~int(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * (bubbleSort_~j~0#1 - 1), 4);call bubbleSort_#t~mem5#1 := read~int(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * bubbleSort_~j~0#1, 4); 524#L517 assume bubbleSort_#t~mem4#1 > bubbleSort_#t~mem5#1;havoc bubbleSort_#t~mem4#1;havoc bubbleSort_#t~mem5#1;call bubbleSort_#t~mem6#1 := read~int(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * (bubbleSort_~j~0#1 - 1), 4);bubbleSort_~temp~0#1 := bubbleSort_#t~mem6#1;havoc bubbleSort_#t~mem6#1;call bubbleSort_#t~mem7#1 := read~int(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * bubbleSort_~j~0#1, 4);call write~int(bubbleSort_#t~mem7#1, bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * (bubbleSort_~j~0#1 - 1), 4);havoc bubbleSort_#t~mem7#1;call write~int(bubbleSort_~temp~0#1, bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * bubbleSort_~j~0#1, 4); 529#L516-2 bubbleSort_#t~post3#1 := bubbleSort_~j~0#1;bubbleSort_~j~0#1 := 1 + bubbleSort_#t~post3#1;havoc bubbleSort_#t~post3#1; 523#L516-3 [2022-11-16 11:01:53,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:01:53,859 INFO L85 PathProgramCache]: Analyzing trace with hash -793649948, now seen corresponding path program 1 times [2022-11-16 11:01:53,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:01:53,860 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2049217209] [2022-11-16 11:01:53,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:01:53,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:01:53,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:01:54,042 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:01:54,042 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:01:54,043 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2049217209] [2022-11-16 11:01:54,043 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2049217209] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 11:01:54,043 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2067057236] [2022-11-16 11:01:54,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:01:54,044 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 11:01:54,044 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:01:54,051 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 11:01:54,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2022-11-16 11:01:54,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:01:54,127 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-16 11:01:54,130 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:01:54,202 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:01:54,202 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 11:01:54,260 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:01:54,260 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2067057236] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 11:01:54,261 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-16 11:01:54,261 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 10 [2022-11-16 11:01:54,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [735688009] [2022-11-16 11:01:54,262 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-16 11:01:54,263 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-16 11:01:54,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:01:54,264 INFO L85 PathProgramCache]: Analyzing trace with hash 68618, now seen corresponding path program 3 times [2022-11-16 11:01:54,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:01:54,264 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1218793344] [2022-11-16 11:01:54,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:01:54,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:01:54,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:01:54,279 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 11:01:54,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:01:54,293 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 11:01:54,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:01:54,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-16 11:01:54,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2022-11-16 11:01:54,413 INFO L87 Difference]: Start difference. First operand 19 states and 24 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) [2022-11-16 11:01:54,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:01:54,558 INFO L93 Difference]: Finished difference Result 26 states and 34 transitions. [2022-11-16 11:01:54,558 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 26 states and 34 transitions. [2022-11-16 11:01:54,559 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-16 11:01:54,559 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 26 states to 26 states and 34 transitions. [2022-11-16 11:01:54,559 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2022-11-16 11:01:54,559 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2022-11-16 11:01:54,559 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 34 transitions. [2022-11-16 11:01:54,560 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-16 11:01:54,560 INFO L218 hiAutomatonCegarLoop]: Abstraction has 26 states and 34 transitions. [2022-11-16 11:01:54,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states and 34 transitions. [2022-11-16 11:01:54,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 20. [2022-11-16 11:01:54,561 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) [2022-11-16 11:01:54,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 25 transitions. [2022-11-16 11:01:54,562 INFO L240 hiAutomatonCegarLoop]: Abstraction has 20 states and 25 transitions. [2022-11-16 11:01:54,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 11:01:54,569 INFO L428 stractBuchiCegarLoop]: Abstraction has 20 states and 25 transitions. [2022-11-16 11:01:54,569 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2022-11-16 11:01:54,569 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 25 transitions. [2022-11-16 11:01:54,570 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-16 11:01:54,570 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 11:01:54,570 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 11:01:54,570 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:01:54,570 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-16 11:01:54,574 INFO L748 eck$LassoCheckResult]: Stem: 662#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 663#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet11#1, main_#t~post10#1, main_~k~0#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;main_~array_size~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1; 660#L527 assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911); 661#L527-2 call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 4294967296);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;main_~k~0#1 := 0; 664#L532-3 assume !!(main_~k~0#1 < main_~array_size~0#1);call write~int(main_#t~nondet11#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~k~0#1, 4);havoc main_#t~nondet11#1; 665#L532-2 main_#t~post10#1 := main_~k~0#1;main_~k~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 666#L532-3 assume !!(main_~k~0#1 < main_~array_size~0#1);call write~int(main_#t~nondet11#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~k~0#1, 4);havoc main_#t~nondet11#1; 678#L532-2 main_#t~post10#1 := main_~k~0#1;main_~k~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 679#L532-3 assume !(main_~k~0#1 < main_~array_size~0#1); 667#L532-4 assume { :begin_inline_bubbleSort } true;bubbleSort_#in~numbers#1.base, bubbleSort_#in~numbers#1.offset, bubbleSort_#in~array_size#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc bubbleSort_#t~mem4#1, bubbleSort_#t~mem5#1, bubbleSort_#t~mem6#1, bubbleSort_#t~mem7#1, bubbleSort_#t~post3#1, bubbleSort_#t~post2#1, bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset, bubbleSort_~array_size#1, bubbleSort_~i~0#1, bubbleSort_~j~0#1, bubbleSort_~temp~0#1;bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset := bubbleSort_#in~numbers#1.base, bubbleSort_#in~numbers#1.offset;bubbleSort_~array_size#1 := bubbleSort_#in~array_size#1;havoc bubbleSort_~i~0#1;havoc bubbleSort_~j~0#1;havoc bubbleSort_~temp~0#1;bubbleSort_~i~0#1 := bubbleSort_~array_size#1 - 1; 668#L515-3 assume !!(bubbleSort_~i~0#1 >= 0);bubbleSort_~j~0#1 := 1; 671#L516-3 assume !!(bubbleSort_~j~0#1 <= bubbleSort_~i~0#1);call bubbleSort_#t~mem4#1 := read~int(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * (bubbleSort_~j~0#1 - 1), 4);call bubbleSort_#t~mem5#1 := read~int(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * bubbleSort_~j~0#1, 4); 672#L517 assume !(bubbleSort_#t~mem4#1 > bubbleSort_#t~mem5#1);havoc bubbleSort_#t~mem4#1;havoc bubbleSort_#t~mem5#1; 677#L516-2 bubbleSort_#t~post3#1 := bubbleSort_~j~0#1;bubbleSort_~j~0#1 := 1 + bubbleSort_#t~post3#1;havoc bubbleSort_#t~post3#1; 675#L516-3 assume !(bubbleSort_~j~0#1 <= bubbleSort_~i~0#1); 673#L515-2 bubbleSort_#t~post2#1 := bubbleSort_~i~0#1;bubbleSort_~i~0#1 := bubbleSort_#t~post2#1 - 1;havoc bubbleSort_#t~post2#1; 674#L515-3 assume !!(bubbleSort_~i~0#1 >= 0);bubbleSort_~j~0#1 := 1; 669#L516-3 [2022-11-16 11:01:54,574 INFO L750 eck$LassoCheckResult]: Loop: 669#L516-3 assume !!(bubbleSort_~j~0#1 <= bubbleSort_~i~0#1);call bubbleSort_#t~mem4#1 := read~int(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * (bubbleSort_~j~0#1 - 1), 4);call bubbleSort_#t~mem5#1 := read~int(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * bubbleSort_~j~0#1, 4); 670#L517 assume bubbleSort_#t~mem4#1 > bubbleSort_#t~mem5#1;havoc bubbleSort_#t~mem4#1;havoc bubbleSort_#t~mem5#1;call bubbleSort_#t~mem6#1 := read~int(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * (bubbleSort_~j~0#1 - 1), 4);bubbleSort_~temp~0#1 := bubbleSort_#t~mem6#1;havoc bubbleSort_#t~mem6#1;call bubbleSort_#t~mem7#1 := read~int(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * bubbleSort_~j~0#1, 4);call write~int(bubbleSort_#t~mem7#1, bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * (bubbleSort_~j~0#1 - 1), 4);havoc bubbleSort_#t~mem7#1;call write~int(bubbleSort_~temp~0#1, bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * bubbleSort_~j~0#1, 4); 676#L516-2 bubbleSort_#t~post3#1 := bubbleSort_~j~0#1;bubbleSort_~j~0#1 := 1 + bubbleSort_#t~post3#1;havoc bubbleSort_#t~post3#1; 669#L516-3 [2022-11-16 11:01:54,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:01:54,575 INFO L85 PathProgramCache]: Analyzing trace with hash 221564791, now seen corresponding path program 1 times [2022-11-16 11:01:54,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:01:54,575 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1494185969] [2022-11-16 11:01:54,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:01:54,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:01:54,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:01:54,602 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 11:01:54,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:01:54,636 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 11:01:54,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:01:54,639 INFO L85 PathProgramCache]: Analyzing trace with hash 68618, now seen corresponding path program 4 times [2022-11-16 11:01:54,640 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:01:54,640 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2051012694] [2022-11-16 11:01:54,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:01:54,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:01:54,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:01:54,650 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 11:01:54,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:01:54,665 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 11:01:54,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:01:54,665 INFO L85 PathProgramCache]: Analyzing trace with hash -728006444, now seen corresponding path program 1 times [2022-11-16 11:01:54,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:01:54,666 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1993787796] [2022-11-16 11:01:54,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:01:54,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:01:54,694 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2022-11-16 11:01:54,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:01:54,829 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-16 11:01:54,829 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:01:54,830 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1993787796] [2022-11-16 11:01:54,830 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1993787796] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 11:01:54,830 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [470756733] [2022-11-16 11:01:54,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:01:54,830 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 11:01:54,830 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:01:54,832 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 11:01:54,849 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2022-11-16 11:01:54,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:01:54,917 INFO L263 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-16 11:01:54,919 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:01:54,990 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-16 11:01:54,991 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 11:01:55,072 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-16 11:01:55,073 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [470756733] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 11:01:55,073 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-16 11:01:55,073 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 12 [2022-11-16 11:01:55,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1001700165] [2022-11-16 11:01:55,074 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-16 11:01:55,193 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:01:55,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-16 11:01:55,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2022-11-16 11:01:55,194 INFO L87 Difference]: Start difference. First operand 20 states and 25 transitions. cyclomatic complexity: 8 Second operand has 12 states, 12 states have (on average 2.25) internal successors, (27), 12 states have internal predecessors, (27), 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) [2022-11-16 11:01:55,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:01:55,351 INFO L93 Difference]: Finished difference Result 35 states and 44 transitions. [2022-11-16 11:01:55,351 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 35 states and 44 transitions. [2022-11-16 11:01:55,352 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-16 11:01:55,352 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 35 states to 23 states and 28 transitions. [2022-11-16 11:01:55,352 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2022-11-16 11:01:55,352 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2022-11-16 11:01:55,352 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 28 transitions. [2022-11-16 11:01:55,353 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-16 11:01:55,353 INFO L218 hiAutomatonCegarLoop]: Abstraction has 23 states and 28 transitions. [2022-11-16 11:01:55,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states and 28 transitions. [2022-11-16 11:01:55,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 22. [2022-11-16 11:01:55,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 22 states have (on average 1.2272727272727273) internal successors, (27), 21 states have internal predecessors, (27), 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) [2022-11-16 11:01:55,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 27 transitions. [2022-11-16 11:01:55,355 INFO L240 hiAutomatonCegarLoop]: Abstraction has 22 states and 27 transitions. [2022-11-16 11:01:55,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-16 11:01:55,357 INFO L428 stractBuchiCegarLoop]: Abstraction has 22 states and 27 transitions. [2022-11-16 11:01:55,357 INFO L335 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2022-11-16 11:01:55,357 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 27 transitions. [2022-11-16 11:01:55,357 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-16 11:01:55,358 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 11:01:55,358 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 11:01:55,358 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:01:55,358 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-16 11:01:55,359 INFO L748 eck$LassoCheckResult]: Stem: 858#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 859#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet11#1, main_#t~post10#1, main_~k~0#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;main_~array_size~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1; 856#L527 assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911); 857#L527-2 call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 4294967296);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;main_~k~0#1 := 0; 860#L532-3 assume !!(main_~k~0#1 < main_~array_size~0#1);call write~int(main_#t~nondet11#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~k~0#1, 4);havoc main_#t~nondet11#1; 874#L532-2 main_#t~post10#1 := main_~k~0#1;main_~k~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 875#L532-3 assume !!(main_~k~0#1 < main_~array_size~0#1);call write~int(main_#t~nondet11#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~k~0#1, 4);havoc main_#t~nondet11#1; 861#L532-2 main_#t~post10#1 := main_~k~0#1;main_~k~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 862#L532-3 assume !!(main_~k~0#1 < main_~array_size~0#1);call write~int(main_#t~nondet11#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~k~0#1, 4);havoc main_#t~nondet11#1; 877#L532-2 main_#t~post10#1 := main_~k~0#1;main_~k~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 876#L532-3 assume !(main_~k~0#1 < main_~array_size~0#1); 863#L532-4 assume { :begin_inline_bubbleSort } true;bubbleSort_#in~numbers#1.base, bubbleSort_#in~numbers#1.offset, bubbleSort_#in~array_size#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc bubbleSort_#t~mem4#1, bubbleSort_#t~mem5#1, bubbleSort_#t~mem6#1, bubbleSort_#t~mem7#1, bubbleSort_#t~post3#1, bubbleSort_#t~post2#1, bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset, bubbleSort_~array_size#1, bubbleSort_~i~0#1, bubbleSort_~j~0#1, bubbleSort_~temp~0#1;bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset := bubbleSort_#in~numbers#1.base, bubbleSort_#in~numbers#1.offset;bubbleSort_~array_size#1 := bubbleSort_#in~array_size#1;havoc bubbleSort_~i~0#1;havoc bubbleSort_~j~0#1;havoc bubbleSort_~temp~0#1;bubbleSort_~i~0#1 := bubbleSort_~array_size#1 - 1; 864#L515-3 assume !!(bubbleSort_~i~0#1 >= 0);bubbleSort_~j~0#1 := 1; 867#L516-3 assume !!(bubbleSort_~j~0#1 <= bubbleSort_~i~0#1);call bubbleSort_#t~mem4#1 := read~int(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * (bubbleSort_~j~0#1 - 1), 4);call bubbleSort_#t~mem5#1 := read~int(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * bubbleSort_~j~0#1, 4); 868#L517 assume !(bubbleSort_#t~mem4#1 > bubbleSort_#t~mem5#1);havoc bubbleSort_#t~mem4#1;havoc bubbleSort_#t~mem5#1; 873#L516-2 bubbleSort_#t~post3#1 := bubbleSort_~j~0#1;bubbleSort_~j~0#1 := 1 + bubbleSort_#t~post3#1;havoc bubbleSort_#t~post3#1; 871#L516-3 assume !(bubbleSort_~j~0#1 <= bubbleSort_~i~0#1); 869#L515-2 bubbleSort_#t~post2#1 := bubbleSort_~i~0#1;bubbleSort_~i~0#1 := bubbleSort_#t~post2#1 - 1;havoc bubbleSort_#t~post2#1; 870#L515-3 assume !!(bubbleSort_~i~0#1 >= 0);bubbleSort_~j~0#1 := 1; 865#L516-3 [2022-11-16 11:01:55,359 INFO L750 eck$LassoCheckResult]: Loop: 865#L516-3 assume !!(bubbleSort_~j~0#1 <= bubbleSort_~i~0#1);call bubbleSort_#t~mem4#1 := read~int(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * (bubbleSort_~j~0#1 - 1), 4);call bubbleSort_#t~mem5#1 := read~int(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * bubbleSort_~j~0#1, 4); 866#L517 assume bubbleSort_#t~mem4#1 > bubbleSort_#t~mem5#1;havoc bubbleSort_#t~mem4#1;havoc bubbleSort_#t~mem5#1;call bubbleSort_#t~mem6#1 := read~int(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * (bubbleSort_~j~0#1 - 1), 4);bubbleSort_~temp~0#1 := bubbleSort_#t~mem6#1;havoc bubbleSort_#t~mem6#1;call bubbleSort_#t~mem7#1 := read~int(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * bubbleSort_~j~0#1, 4);call write~int(bubbleSort_#t~mem7#1, bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * (bubbleSort_~j~0#1 - 1), 4);havoc bubbleSort_#t~mem7#1;call write~int(bubbleSort_~temp~0#1, bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * bubbleSort_~j~0#1, 4); 872#L516-2 bubbleSort_#t~post3#1 := bubbleSort_~j~0#1;bubbleSort_~j~0#1 := 1 + bubbleSort_#t~post3#1;havoc bubbleSort_#t~post3#1; 865#L516-3 [2022-11-16 11:01:55,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:01:55,359 INFO L85 PathProgramCache]: Analyzing trace with hash 1850126805, now seen corresponding path program 2 times [2022-11-16 11:01:55,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:01:55,360 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [20280374] [2022-11-16 11:01:55,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:01:55,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:01:55,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:01:55,495 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:01:55,496 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:01:55,496 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [20280374] [2022-11-16 11:01:55,496 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [20280374] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 11:01:55,496 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1890337022] [2022-11-16 11:01:55,496 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-16 11:01:55,497 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 11:01:55,497 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:01:55,500 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 11:01:55,522 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2022-11-16 11:01:55,585 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-16 11:01:55,586 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-16 11:01:55,587 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-16 11:01:55,588 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:01:55,661 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:01:55,661 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 11:01:55,734 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:01:55,734 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1890337022] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 11:01:55,735 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-16 11:01:55,735 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 13 [2022-11-16 11:01:55,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [494671295] [2022-11-16 11:01:55,735 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-16 11:01:55,735 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-16 11:01:55,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:01:55,736 INFO L85 PathProgramCache]: Analyzing trace with hash 68618, now seen corresponding path program 5 times [2022-11-16 11:01:55,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:01:55,736 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [262263339] [2022-11-16 11:01:55,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:01:55,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:01:55,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:01:55,744 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 11:01:55,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:01:55,748 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 11:01:55,873 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:01:55,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-16 11:01:55,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2022-11-16 11:01:55,874 INFO L87 Difference]: Start difference. First operand 22 states and 27 transitions. cyclomatic complexity: 8 Second operand has 13 states, 13 states have (on average 2.3846153846153846) internal successors, (31), 13 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) [2022-11-16 11:01:56,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:01:56,072 INFO L93 Difference]: Finished difference Result 31 states and 40 transitions. [2022-11-16 11:01:56,072 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 31 states and 40 transitions. [2022-11-16 11:01:56,073 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-16 11:01:56,073 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 31 states to 31 states and 40 transitions. [2022-11-16 11:01:56,073 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2022-11-16 11:01:56,073 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2022-11-16 11:01:56,074 INFO L73 IsDeterministic]: Start isDeterministic. Operand 31 states and 40 transitions. [2022-11-16 11:01:56,074 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-16 11:01:56,074 INFO L218 hiAutomatonCegarLoop]: Abstraction has 31 states and 40 transitions. [2022-11-16 11:01:56,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states and 40 transitions. [2022-11-16 11:01:56,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 25. [2022-11-16 11:01:56,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 25 states have (on average 1.24) internal successors, (31), 24 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) [2022-11-16 11:01:56,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 31 transitions. [2022-11-16 11:01:56,076 INFO L240 hiAutomatonCegarLoop]: Abstraction has 25 states and 31 transitions. [2022-11-16 11:01:56,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-16 11:01:56,077 INFO L428 stractBuchiCegarLoop]: Abstraction has 25 states and 31 transitions. [2022-11-16 11:01:56,077 INFO L335 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2022-11-16 11:01:56,077 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 25 states and 31 transitions. [2022-11-16 11:01:56,078 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-16 11:01:56,078 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 11:01:56,078 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 11:01:56,079 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:01:56,079 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-16 11:01:56,079 INFO L748 eck$LassoCheckResult]: Stem: 1047#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1048#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet11#1, main_#t~post10#1, main_~k~0#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;main_~array_size~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1; 1045#L527 assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911); 1046#L527-2 call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 4294967296);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;main_~k~0#1 := 0; 1049#L532-3 assume !!(main_~k~0#1 < main_~array_size~0#1);call write~int(main_#t~nondet11#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~k~0#1, 4);havoc main_#t~nondet11#1; 1050#L532-2 main_#t~post10#1 := main_~k~0#1;main_~k~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 1051#L532-3 assume !!(main_~k~0#1 < main_~array_size~0#1);call write~int(main_#t~nondet11#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~k~0#1, 4);havoc main_#t~nondet11#1; 1064#L532-2 main_#t~post10#1 := main_~k~0#1;main_~k~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 1068#L532-3 assume !!(main_~k~0#1 < main_~array_size~0#1);call write~int(main_#t~nondet11#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~k~0#1, 4);havoc main_#t~nondet11#1; 1067#L532-2 main_#t~post10#1 := main_~k~0#1;main_~k~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 1066#L532-3 assume !(main_~k~0#1 < main_~array_size~0#1); 1052#L532-4 assume { :begin_inline_bubbleSort } true;bubbleSort_#in~numbers#1.base, bubbleSort_#in~numbers#1.offset, bubbleSort_#in~array_size#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc bubbleSort_#t~mem4#1, bubbleSort_#t~mem5#1, bubbleSort_#t~mem6#1, bubbleSort_#t~mem7#1, bubbleSort_#t~post3#1, bubbleSort_#t~post2#1, bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset, bubbleSort_~array_size#1, bubbleSort_~i~0#1, bubbleSort_~j~0#1, bubbleSort_~temp~0#1;bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset := bubbleSort_#in~numbers#1.base, bubbleSort_#in~numbers#1.offset;bubbleSort_~array_size#1 := bubbleSort_#in~array_size#1;havoc bubbleSort_~i~0#1;havoc bubbleSort_~j~0#1;havoc bubbleSort_~temp~0#1;bubbleSort_~i~0#1 := bubbleSort_~array_size#1 - 1; 1053#L515-3 assume !!(bubbleSort_~i~0#1 >= 0);bubbleSort_~j~0#1 := 1; 1060#L516-3 assume !!(bubbleSort_~j~0#1 <= bubbleSort_~i~0#1);call bubbleSort_#t~mem4#1 := read~int(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * (bubbleSort_~j~0#1 - 1), 4);call bubbleSort_#t~mem5#1 := read~int(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * bubbleSort_~j~0#1, 4); 1069#L517 assume !(bubbleSort_#t~mem4#1 > bubbleSort_#t~mem5#1);havoc bubbleSort_#t~mem4#1;havoc bubbleSort_#t~mem5#1; 1063#L516-2 bubbleSort_#t~post3#1 := bubbleSort_~j~0#1;bubbleSort_~j~0#1 := 1 + bubbleSort_#t~post3#1;havoc bubbleSort_#t~post3#1; 1056#L516-3 assume !!(bubbleSort_~j~0#1 <= bubbleSort_~i~0#1);call bubbleSort_#t~mem4#1 := read~int(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * (bubbleSort_~j~0#1 - 1), 4);call bubbleSort_#t~mem5#1 := read~int(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * bubbleSort_~j~0#1, 4); 1057#L517 assume !(bubbleSort_#t~mem4#1 > bubbleSort_#t~mem5#1);havoc bubbleSort_#t~mem4#1;havoc bubbleSort_#t~mem5#1; 1065#L516-2 bubbleSort_#t~post3#1 := bubbleSort_~j~0#1;bubbleSort_~j~0#1 := 1 + bubbleSort_#t~post3#1;havoc bubbleSort_#t~post3#1; 1061#L516-3 assume !(bubbleSort_~j~0#1 <= bubbleSort_~i~0#1); 1058#L515-2 bubbleSort_#t~post2#1 := bubbleSort_~i~0#1;bubbleSort_~i~0#1 := bubbleSort_#t~post2#1 - 1;havoc bubbleSort_#t~post2#1; 1059#L515-3 assume !!(bubbleSort_~i~0#1 >= 0);bubbleSort_~j~0#1 := 1; 1054#L516-3 [2022-11-16 11:01:56,079 INFO L750 eck$LassoCheckResult]: Loop: 1054#L516-3 assume !!(bubbleSort_~j~0#1 <= bubbleSort_~i~0#1);call bubbleSort_#t~mem4#1 := read~int(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * (bubbleSort_~j~0#1 - 1), 4);call bubbleSort_#t~mem5#1 := read~int(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * bubbleSort_~j~0#1, 4); 1055#L517 assume bubbleSort_#t~mem4#1 > bubbleSort_#t~mem5#1;havoc bubbleSort_#t~mem4#1;havoc bubbleSort_#t~mem5#1;call bubbleSort_#t~mem6#1 := read~int(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * (bubbleSort_~j~0#1 - 1), 4);bubbleSort_~temp~0#1 := bubbleSort_#t~mem6#1;havoc bubbleSort_#t~mem6#1;call bubbleSort_#t~mem7#1 := read~int(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * bubbleSort_~j~0#1, 4);call write~int(bubbleSort_#t~mem7#1, bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * (bubbleSort_~j~0#1 - 1), 4);havoc bubbleSort_#t~mem7#1;call write~int(bubbleSort_~temp~0#1, bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * bubbleSort_~j~0#1, 4); 1062#L516-2 bubbleSort_#t~post3#1 := bubbleSort_~j~0#1;bubbleSort_~j~0#1 := 1 + bubbleSort_#t~post3#1;havoc bubbleSort_#t~post3#1; 1054#L516-3 [2022-11-16 11:01:56,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:01:56,080 INFO L85 PathProgramCache]: Analyzing trace with hash -135460634, now seen corresponding path program 3 times [2022-11-16 11:01:56,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:01:56,080 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1504798586] [2022-11-16 11:01:56,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:01:56,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:01:56,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:01:56,125 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 11:01:56,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:01:56,181 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 11:01:56,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:01:56,182 INFO L85 PathProgramCache]: Analyzing trace with hash 68618, now seen corresponding path program 6 times [2022-11-16 11:01:56,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:01:56,182 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [991866824] [2022-11-16 11:01:56,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:01:56,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:01:56,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:01:56,192 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 11:01:56,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:01:56,197 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 11:01:56,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:01:56,198 INFO L85 PathProgramCache]: Analyzing trace with hash 1761549573, now seen corresponding path program 2 times [2022-11-16 11:01:56,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:01:56,198 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [273287006] [2022-11-16 11:01:56,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:01:56,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:01:56,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:01:56,871 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 14 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-16 11:01:56,871 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:01:56,872 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [273287006] [2022-11-16 11:01:56,872 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [273287006] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 11:01:56,872 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1559453065] [2022-11-16 11:01:56,872 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-16 11:01:56,872 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 11:01:56,873 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:01:56,878 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 11:01:56,890 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process [2022-11-16 11:01:56,983 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-16 11:01:56,983 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-16 11:01:56,985 INFO L263 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-16 11:01:56,987 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:01:57,161 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 11:01:57,165 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 10 [2022-11-16 11:01:57,192 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-16 11:01:57,192 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 11:01:57,362 INFO L321 Elim1Store]: treesize reduction 15, result has 63.4 percent of original size [2022-11-16 11:01:57,362 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 36 treesize of output 34 [2022-11-16 11:01:57,435 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 4 proven. 7 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-16 11:01:57,436 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1559453065] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 11:01:57,436 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-16 11:01:57,436 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 9, 7] total 17 [2022-11-16 11:01:57,437 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1399057768] [2022-11-16 11:01:57,437 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-16 11:01:57,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:01:57,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-11-16 11:01:57,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=215, Unknown=0, NotChecked=0, Total=272 [2022-11-16 11:01:57,576 INFO L87 Difference]: Start difference. First operand 25 states and 31 transitions. cyclomatic complexity: 9 Second operand has 17 states, 17 states have (on average 2.6470588235294117) internal successors, (45), 17 states have internal predecessors, (45), 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) [2022-11-16 11:01:57,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:01:57,874 INFO L93 Difference]: Finished difference Result 47 states and 63 transitions. [2022-11-16 11:01:57,874 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 47 states and 63 transitions. [2022-11-16 11:01:57,875 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2022-11-16 11:01:57,875 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 47 states to 47 states and 63 transitions. [2022-11-16 11:01:57,875 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18 [2022-11-16 11:01:57,876 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2022-11-16 11:01:57,876 INFO L73 IsDeterministic]: Start isDeterministic. Operand 47 states and 63 transitions. [2022-11-16 11:01:57,876 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-16 11:01:57,876 INFO L218 hiAutomatonCegarLoop]: Abstraction has 47 states and 63 transitions. [2022-11-16 11:01:57,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states and 63 transitions. [2022-11-16 11:01:57,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 36. [2022-11-16 11:01:57,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 36 states have (on average 1.3333333333333333) internal successors, (48), 35 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) [2022-11-16 11:01:57,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 48 transitions. [2022-11-16 11:01:57,879 INFO L240 hiAutomatonCegarLoop]: Abstraction has 36 states and 48 transitions. [2022-11-16 11:01:57,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-16 11:01:57,881 INFO L428 stractBuchiCegarLoop]: Abstraction has 36 states and 48 transitions. [2022-11-16 11:01:57,881 INFO L335 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2022-11-16 11:01:57,881 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 36 states and 48 transitions. [2022-11-16 11:01:57,882 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-16 11:01:57,882 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 11:01:57,882 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 11:01:57,883 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:01:57,883 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-16 11:01:57,883 INFO L748 eck$LassoCheckResult]: Stem: 1298#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1299#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet11#1, main_#t~post10#1, main_~k~0#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;main_~array_size~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1; 1296#L527 assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911); 1297#L527-2 call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 4294967296);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;main_~k~0#1 := 0; 1300#L532-3 assume !!(main_~k~0#1 < main_~array_size~0#1);call write~int(main_#t~nondet11#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~k~0#1, 4);havoc main_#t~nondet11#1; 1315#L532-2 main_#t~post10#1 := main_~k~0#1;main_~k~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 1316#L532-3 assume !!(main_~k~0#1 < main_~array_size~0#1);call write~int(main_#t~nondet11#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~k~0#1, 4);havoc main_#t~nondet11#1; 1301#L532-2 main_#t~post10#1 := main_~k~0#1;main_~k~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 1302#L532-3 assume !!(main_~k~0#1 < main_~array_size~0#1);call write~int(main_#t~nondet11#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~k~0#1, 4);havoc main_#t~nondet11#1; 1319#L532-2 main_#t~post10#1 := main_~k~0#1;main_~k~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 1318#L532-3 assume !(main_~k~0#1 < main_~array_size~0#1); 1303#L532-4 assume { :begin_inline_bubbleSort } true;bubbleSort_#in~numbers#1.base, bubbleSort_#in~numbers#1.offset, bubbleSort_#in~array_size#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc bubbleSort_#t~mem4#1, bubbleSort_#t~mem5#1, bubbleSort_#t~mem6#1, bubbleSort_#t~mem7#1, bubbleSort_#t~post3#1, bubbleSort_#t~post2#1, bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset, bubbleSort_~array_size#1, bubbleSort_~i~0#1, bubbleSort_~j~0#1, bubbleSort_~temp~0#1;bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset := bubbleSort_#in~numbers#1.base, bubbleSort_#in~numbers#1.offset;bubbleSort_~array_size#1 := bubbleSort_#in~array_size#1;havoc bubbleSort_~i~0#1;havoc bubbleSort_~j~0#1;havoc bubbleSort_~temp~0#1;bubbleSort_~i~0#1 := bubbleSort_~array_size#1 - 1; 1304#L515-3 assume !!(bubbleSort_~i~0#1 >= 0);bubbleSort_~j~0#1 := 1; 1307#L516-3 assume !!(bubbleSort_~j~0#1 <= bubbleSort_~i~0#1);call bubbleSort_#t~mem4#1 := read~int(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * (bubbleSort_~j~0#1 - 1), 4);call bubbleSort_#t~mem5#1 := read~int(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * bubbleSort_~j~0#1, 4); 1308#L517 assume !(bubbleSort_#t~mem4#1 > bubbleSort_#t~mem5#1);havoc bubbleSort_#t~mem4#1;havoc bubbleSort_#t~mem5#1; 1313#L516-2 bubbleSort_#t~post3#1 := bubbleSort_~j~0#1;bubbleSort_~j~0#1 := 1 + bubbleSort_#t~post3#1;havoc bubbleSort_#t~post3#1; 1314#L516-3 assume !!(bubbleSort_~j~0#1 <= bubbleSort_~i~0#1);call bubbleSort_#t~mem4#1 := read~int(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * (bubbleSort_~j~0#1 - 1), 4);call bubbleSort_#t~mem5#1 := read~int(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * bubbleSort_~j~0#1, 4); 1330#L517 assume bubbleSort_#t~mem4#1 > bubbleSort_#t~mem5#1;havoc bubbleSort_#t~mem4#1;havoc bubbleSort_#t~mem5#1;call bubbleSort_#t~mem6#1 := read~int(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * (bubbleSort_~j~0#1 - 1), 4);bubbleSort_~temp~0#1 := bubbleSort_#t~mem6#1;havoc bubbleSort_#t~mem6#1;call bubbleSort_#t~mem7#1 := read~int(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * bubbleSort_~j~0#1, 4);call write~int(bubbleSort_#t~mem7#1, bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * (bubbleSort_~j~0#1 - 1), 4);havoc bubbleSort_#t~mem7#1;call write~int(bubbleSort_~temp~0#1, bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * bubbleSort_~j~0#1, 4); 1328#L516-2 bubbleSort_#t~post3#1 := bubbleSort_~j~0#1;bubbleSort_~j~0#1 := 1 + bubbleSort_#t~post3#1;havoc bubbleSort_#t~post3#1; 1329#L516-3 assume !(bubbleSort_~j~0#1 <= bubbleSort_~i~0#1); 1309#L515-2 bubbleSort_#t~post2#1 := bubbleSort_~i~0#1;bubbleSort_~i~0#1 := bubbleSort_#t~post2#1 - 1;havoc bubbleSort_#t~post2#1; 1310#L515-3 assume !!(bubbleSort_~i~0#1 >= 0);bubbleSort_~j~0#1 := 1; 1305#L516-3 [2022-11-16 11:01:57,884 INFO L750 eck$LassoCheckResult]: Loop: 1305#L516-3 assume !!(bubbleSort_~j~0#1 <= bubbleSort_~i~0#1);call bubbleSort_#t~mem4#1 := read~int(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * (bubbleSort_~j~0#1 - 1), 4);call bubbleSort_#t~mem5#1 := read~int(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * bubbleSort_~j~0#1, 4); 1306#L517 assume bubbleSort_#t~mem4#1 > bubbleSort_#t~mem5#1;havoc bubbleSort_#t~mem4#1;havoc bubbleSort_#t~mem5#1;call bubbleSort_#t~mem6#1 := read~int(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * (bubbleSort_~j~0#1 - 1), 4);bubbleSort_~temp~0#1 := bubbleSort_#t~mem6#1;havoc bubbleSort_#t~mem6#1;call bubbleSort_#t~mem7#1 := read~int(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * bubbleSort_~j~0#1, 4);call write~int(bubbleSort_#t~mem7#1, bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * (bubbleSort_~j~0#1 - 1), 4);havoc bubbleSort_#t~mem7#1;call write~int(bubbleSort_~temp~0#1, bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * bubbleSort_~j~0#1, 4); 1312#L516-2 bubbleSort_#t~post3#1 := bubbleSort_~j~0#1;bubbleSort_~j~0#1 := 1 + bubbleSort_#t~post3#1;havoc bubbleSort_#t~post3#1; 1305#L516-3 [2022-11-16 11:01:57,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:01:57,884 INFO L85 PathProgramCache]: Analyzing trace with hash -137307676, now seen corresponding path program 3 times [2022-11-16 11:01:57,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:01:57,885 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [981690145] [2022-11-16 11:01:57,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:01:57,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:01:57,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:01:57,905 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 11:01:57,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:01:57,923 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 11:01:57,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:01:57,924 INFO L85 PathProgramCache]: Analyzing trace with hash 68618, now seen corresponding path program 7 times [2022-11-16 11:01:57,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:01:57,924 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1130145862] [2022-11-16 11:01:57,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:01:57,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:01:57,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:01:57,930 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 11:01:57,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:01:57,934 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 11:01:57,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:01:57,935 INFO L85 PathProgramCache]: Analyzing trace with hash -1724071097, now seen corresponding path program 4 times [2022-11-16 11:01:57,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:01:57,936 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1193315686] [2022-11-16 11:01:57,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:01:57,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:01:57,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:01:57,975 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 11:01:57,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:01:58,009 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 11:02:00,336 INFO L210 LassoAnalysis]: Preferences: [2022-11-16 11:02:00,336 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-16 11:02:00,336 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-16 11:02:00,336 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-16 11:02:00,336 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-16 11:02:00,336 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:02:00,336 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-16 11:02:00,336 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-16 11:02:00,336 INFO L133 ssoRankerPreferences]: Filename of dumped script: bubblesort-alloca-2.i_Iteration9_Lasso [2022-11-16 11:02:00,337 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-16 11:02:00,337 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-16 11:02:00,341 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:02:00,346 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:02:00,352 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:02:00,356 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:02:00,359 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:02:00,362 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:02:00,364 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:02:01,409 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:02:01,412 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:02:01,416 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:02:01,418 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:02:01,421 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:02:01,424 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:02:01,427 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:02:01,429 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:02:01,432 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:02:01,435 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:02:02,067 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-16 11:02:02,067 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-16 11:02:02,067 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:02:02,067 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:02:02,077 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:02:02,079 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 [2022-11-16 11:02:02,080 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2022-11-16 11:02:02,090 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:02:02,091 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 11:02:02,091 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:02:02,091 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:02:02,091 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:02:02,092 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 11:02:02,092 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 11:02:02,093 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:02:02,099 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2022-11-16 11:02:02,099 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:02:02,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:02:02,100 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:02:02,103 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2022-11-16 11:02:02,104 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 [2022-11-16 11:02:02,115 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:02:02,115 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:02:02,115 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:02:02,115 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:02:02,118 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 11:02:02,118 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 11:02:02,138 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:02:02,142 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2022-11-16 11:02:02,143 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:02:02,143 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:02:02,144 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:02:02,146 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2022-11-16 11:02:02,147 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 [2022-11-16 11:02:02,158 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:02:02,158 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:02:02,159 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:02:02,159 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:02:02,160 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 11:02:02,160 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 11:02:02,164 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:02:02,167 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2022-11-16 11:02:02,167 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:02:02,167 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:02:02,168 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:02:02,171 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2022-11-16 11:02:02,172 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 [2022-11-16 11:02:02,183 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:02:02,183 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 11:02:02,183 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:02:02,183 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:02:02,183 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:02:02,184 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 11:02:02,184 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 11:02:02,218 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:02:02,223 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2022-11-16 11:02:02,223 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:02:02,223 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:02:02,225 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:02:02,231 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 [2022-11-16 11:02:02,246 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2022-11-16 11:02:02,246 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:02:02,246 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 11:02:02,246 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:02:02,246 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:02:02,247 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:02:02,247 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 11:02:02,247 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 11:02:02,270 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:02:02,279 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2022-11-16 11:02:02,280 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:02:02,280 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:02:02,281 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:02:02,287 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 [2022-11-16 11:02:02,301 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2022-11-16 11:02:02,301 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:02:02,301 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 11:02:02,301 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:02:02,301 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:02:02,301 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:02:02,302 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 11:02:02,302 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 11:02:02,318 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:02:02,322 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2022-11-16 11:02:02,322 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:02:02,322 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:02:02,324 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:02:02,331 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 [2022-11-16 11:02:02,342 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2022-11-16 11:02:02,345 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:02:02,345 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:02:02,345 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:02:02,345 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:02:02,358 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 11:02:02,358 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 11:02:02,376 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:02:02,379 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2022-11-16 11:02:02,379 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:02:02,379 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:02:02,380 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:02:02,384 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2022-11-16 11:02:02,385 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 [2022-11-16 11:02:02,396 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:02:02,397 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:02:02,397 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:02:02,397 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:02:02,405 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 11:02:02,405 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 11:02:02,416 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:02:02,425 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2022-11-16 11:02:02,425 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:02:02,426 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:02:02,427 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:02:02,435 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 [2022-11-16 11:02:02,449 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2022-11-16 11:02:02,450 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:02:02,450 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:02:02,450 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:02:02,450 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:02:02,462 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 11:02:02,462 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 11:02:02,488 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-16 11:02:02,528 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2022-11-16 11:02:02,528 INFO L444 ModelExtractionUtils]: 6 out of 37 variables were initially zero. Simplification set additionally 26 variables to zero. [2022-11-16 11:02:02,528 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:02:02,528 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:02:02,530 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:02:02,532 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2022-11-16 11:02:02,533 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-16 11:02:02,545 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-16 11:02:02,545 INFO L513 LassoAnalysis]: Proved termination. [2022-11-16 11:02:02,545 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~numbers~0#1.offset, ULTIMATE.start_bubbleSort_~j~0#1, ULTIMATE.start_main_~k~0#1, ULTIMATE.start_bubbleSort_~i~0#1) = 1*ULTIMATE.start_main_~numbers~0#1.offset - 8*ULTIMATE.start_bubbleSort_~j~0#1 + 4*ULTIMATE.start_main_~k~0#1 + 12*ULTIMATE.start_bubbleSort_~i~0#1 Supporting invariants [] [2022-11-16 11:02:02,548 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2022-11-16 11:02:02,600 INFO L156 tatePredicateManager]: 9 out of 10 supporting invariants were superfluous and have been removed [2022-11-16 11:02:02,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:02:02,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:02:02,674 INFO L263 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-16 11:02:02,676 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:02:02,710 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2022-11-16 11:02:02,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:02:02,888 INFO L263 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-16 11:02:02,888 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:02:02,937 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:02:02,938 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.6 stem predicates 2 loop predicates [2022-11-16 11:02:02,938 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 36 states and 48 transitions. cyclomatic complexity: 15 Second operand has 8 states, 8 states have (on average 2.875) internal successors, (23), 8 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:02:03,078 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 36 states and 48 transitions. cyclomatic complexity: 15. Second operand has 8 states, 8 states have (on average 2.875) internal successors, (23), 8 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 65 states and 89 transitions. Complement of second has 13 states. [2022-11-16 11:02:03,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 10 states 6 stem states 2 non-accepting loop states 2 accepting loop states [2022-11-16 11:02:03,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 2.875) internal successors, (23), 8 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:02:03,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 26 transitions. [2022-11-16 11:02:03,079 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 26 transitions. Stem has 22 letters. Loop has 3 letters. [2022-11-16 11:02:03,079 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 11:02:03,080 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-16 11:02:03,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:02:03,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:02:03,156 INFO L263 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-16 11:02:03,157 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:02:03,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:02:03,354 INFO L263 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-16 11:02:03,354 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:02:03,407 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:02:03,407 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.6 stem predicates 2 loop predicates [2022-11-16 11:02:03,408 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 36 states and 48 transitions. cyclomatic complexity: 15 Second operand has 8 states, 8 states have (on average 2.875) internal successors, (23), 8 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:02:03,537 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 36 states and 48 transitions. cyclomatic complexity: 15. Second operand has 8 states, 8 states have (on average 2.875) internal successors, (23), 8 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 65 states and 89 transitions. Complement of second has 13 states. [2022-11-16 11:02:03,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 10 states 6 stem states 2 non-accepting loop states 2 accepting loop states [2022-11-16 11:02:03,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 2.875) internal successors, (23), 8 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:02:03,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 26 transitions. [2022-11-16 11:02:03,541 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 26 transitions. Stem has 22 letters. Loop has 3 letters. [2022-11-16 11:02:03,541 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 11:02:03,541 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-16 11:02:03,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:02:03,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:02:03,621 INFO L263 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-16 11:02:03,622 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:02:03,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:02:03,830 INFO L263 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-16 11:02:03,831 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:02:03,885 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:02:03,886 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.6 stem predicates 2 loop predicates [2022-11-16 11:02:03,886 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 36 states and 48 transitions. cyclomatic complexity: 15 Second operand has 8 states, 8 states have (on average 2.875) internal successors, (23), 8 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:02:04,033 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 36 states and 48 transitions. cyclomatic complexity: 15. Second operand has 8 states, 8 states have (on average 2.875) internal successors, (23), 8 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 82 states and 119 transitions. Complement of second has 12 states. [2022-11-16 11:02:04,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 10 states 6 stem states 2 non-accepting loop states 2 accepting loop states [2022-11-16 11:02:04,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 2.875) internal successors, (23), 8 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:02:04,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 40 transitions. [2022-11-16 11:02:04,035 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 40 transitions. Stem has 22 letters. Loop has 3 letters. [2022-11-16 11:02:04,035 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 11:02:04,035 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 40 transitions. Stem has 25 letters. Loop has 3 letters. [2022-11-16 11:02:04,036 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 11:02:04,036 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 40 transitions. Stem has 22 letters. Loop has 6 letters. [2022-11-16 11:02:04,036 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 11:02:04,036 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 82 states and 119 transitions. [2022-11-16 11:02:04,037 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-16 11:02:04,039 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 82 states to 41 states and 54 transitions. [2022-11-16 11:02:04,039 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2022-11-16 11:02:04,039 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2022-11-16 11:02:04,039 INFO L73 IsDeterministic]: Start isDeterministic. Operand 41 states and 54 transitions. [2022-11-16 11:02:04,039 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-16 11:02:04,039 INFO L218 hiAutomatonCegarLoop]: Abstraction has 41 states and 54 transitions. [2022-11-16 11:02:04,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states and 54 transitions. [2022-11-16 11:02:04,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 38. [2022-11-16 11:02:04,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 38 states have (on average 1.3157894736842106) internal successors, (50), 37 states have internal predecessors, (50), 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) [2022-11-16 11:02:04,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 50 transitions. [2022-11-16 11:02:04,047 INFO L240 hiAutomatonCegarLoop]: Abstraction has 38 states and 50 transitions. [2022-11-16 11:02:04,047 INFO L428 stractBuchiCegarLoop]: Abstraction has 38 states and 50 transitions. [2022-11-16 11:02:04,048 INFO L335 stractBuchiCegarLoop]: ======== Iteration 10 ============ [2022-11-16 11:02:04,048 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 38 states and 50 transitions. [2022-11-16 11:02:04,049 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-16 11:02:04,049 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 11:02:04,049 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 11:02:04,051 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:02:04,051 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-16 11:02:04,051 INFO L748 eck$LassoCheckResult]: Stem: 1915#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1916#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet11#1, main_#t~post10#1, main_~k~0#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;main_~array_size~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1; 1913#L527 assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911); 1914#L527-2 call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 4294967296);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;main_~k~0#1 := 0; 1917#L532-3 assume !!(main_~k~0#1 < main_~array_size~0#1);call write~int(main_#t~nondet11#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~k~0#1, 4);havoc main_#t~nondet11#1; 1918#L532-2 main_#t~post10#1 := main_~k~0#1;main_~k~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 1919#L532-3 assume !!(main_~k~0#1 < main_~array_size~0#1);call write~int(main_#t~nondet11#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~k~0#1, 4);havoc main_#t~nondet11#1; 1934#L532-2 main_#t~post10#1 := main_~k~0#1;main_~k~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 1950#L532-3 assume !!(main_~k~0#1 < main_~array_size~0#1);call write~int(main_#t~nondet11#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~k~0#1, 4);havoc main_#t~nondet11#1; 1949#L532-2 main_#t~post10#1 := main_~k~0#1;main_~k~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 1948#L532-3 assume !!(main_~k~0#1 < main_~array_size~0#1);call write~int(main_#t~nondet11#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~k~0#1, 4);havoc main_#t~nondet11#1; 1938#L532-2 main_#t~post10#1 := main_~k~0#1;main_~k~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 1937#L532-3 assume !(main_~k~0#1 < main_~array_size~0#1); 1920#L532-4 assume { :begin_inline_bubbleSort } true;bubbleSort_#in~numbers#1.base, bubbleSort_#in~numbers#1.offset, bubbleSort_#in~array_size#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc bubbleSort_#t~mem4#1, bubbleSort_#t~mem5#1, bubbleSort_#t~mem6#1, bubbleSort_#t~mem7#1, bubbleSort_#t~post3#1, bubbleSort_#t~post2#1, bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset, bubbleSort_~array_size#1, bubbleSort_~i~0#1, bubbleSort_~j~0#1, bubbleSort_~temp~0#1;bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset := bubbleSort_#in~numbers#1.base, bubbleSort_#in~numbers#1.offset;bubbleSort_~array_size#1 := bubbleSort_#in~array_size#1;havoc bubbleSort_~i~0#1;havoc bubbleSort_~j~0#1;havoc bubbleSort_~temp~0#1;bubbleSort_~i~0#1 := bubbleSort_~array_size#1 - 1; 1921#L515-3 assume !!(bubbleSort_~i~0#1 >= 0);bubbleSort_~j~0#1 := 1; 1928#L516-3 assume !!(bubbleSort_~j~0#1 <= bubbleSort_~i~0#1);call bubbleSort_#t~mem4#1 := read~int(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * (bubbleSort_~j~0#1 - 1), 4);call bubbleSort_#t~mem5#1 := read~int(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * bubbleSort_~j~0#1, 4); 1947#L517 assume !(bubbleSort_#t~mem4#1 > bubbleSort_#t~mem5#1);havoc bubbleSort_#t~mem4#1;havoc bubbleSort_#t~mem5#1; 1946#L516-2 bubbleSort_#t~post3#1 := bubbleSort_~j~0#1;bubbleSort_~j~0#1 := 1 + bubbleSort_#t~post3#1;havoc bubbleSort_#t~post3#1; 1924#L516-3 assume !!(bubbleSort_~j~0#1 <= bubbleSort_~i~0#1);call bubbleSort_#t~mem4#1 := read~int(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * (bubbleSort_~j~0#1 - 1), 4);call bubbleSort_#t~mem5#1 := read~int(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * bubbleSort_~j~0#1, 4); 1925#L517 assume bubbleSort_#t~mem4#1 > bubbleSort_#t~mem5#1;havoc bubbleSort_#t~mem4#1;havoc bubbleSort_#t~mem5#1;call bubbleSort_#t~mem6#1 := read~int(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * (bubbleSort_~j~0#1 - 1), 4);bubbleSort_~temp~0#1 := bubbleSort_#t~mem6#1;havoc bubbleSort_#t~mem6#1;call bubbleSort_#t~mem7#1 := read~int(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * bubbleSort_~j~0#1, 4);call write~int(bubbleSort_#t~mem7#1, bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * (bubbleSort_~j~0#1 - 1), 4);havoc bubbleSort_#t~mem7#1;call write~int(bubbleSort_~temp~0#1, bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * bubbleSort_~j~0#1, 4); 1932#L516-2 bubbleSort_#t~post3#1 := bubbleSort_~j~0#1;bubbleSort_~j~0#1 := 1 + bubbleSort_#t~post3#1;havoc bubbleSort_#t~post3#1; 1933#L516-3 assume !(bubbleSort_~j~0#1 <= bubbleSort_~i~0#1); 1939#L515-2 bubbleSort_#t~post2#1 := bubbleSort_~i~0#1;bubbleSort_~i~0#1 := bubbleSort_#t~post2#1 - 1;havoc bubbleSort_#t~post2#1; 1929#L515-3 assume !!(bubbleSort_~i~0#1 >= 0);bubbleSort_~j~0#1 := 1; 1922#L516-3 [2022-11-16 11:02:04,051 INFO L750 eck$LassoCheckResult]: Loop: 1922#L516-3 assume !!(bubbleSort_~j~0#1 <= bubbleSort_~i~0#1);call bubbleSort_#t~mem4#1 := read~int(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * (bubbleSort_~j~0#1 - 1), 4);call bubbleSort_#t~mem5#1 := read~int(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * bubbleSort_~j~0#1, 4); 1923#L517 assume bubbleSort_#t~mem4#1 > bubbleSort_#t~mem5#1;havoc bubbleSort_#t~mem4#1;havoc bubbleSort_#t~mem5#1;call bubbleSort_#t~mem6#1 := read~int(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * (bubbleSort_~j~0#1 - 1), 4);bubbleSort_~temp~0#1 := bubbleSort_#t~mem6#1;havoc bubbleSort_#t~mem6#1;call bubbleSort_#t~mem7#1 := read~int(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * bubbleSort_~j~0#1, 4);call write~int(bubbleSort_#t~mem7#1, bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * (bubbleSort_~j~0#1 - 1), 4);havoc bubbleSort_#t~mem7#1;call write~int(bubbleSort_~temp~0#1, bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * bubbleSort_~j~0#1, 4); 1931#L516-2 bubbleSort_#t~post3#1 := bubbleSort_~j~0#1;bubbleSort_~j~0#1 := 1 + bubbleSort_#t~post3#1;havoc bubbleSort_#t~post3#1; 1922#L516-3 [2022-11-16 11:02:04,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:02:04,052 INFO L85 PathProgramCache]: Analyzing trace with hash -519847354, now seen corresponding path program 5 times [2022-11-16 11:02:04,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:02:04,052 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [212710802] [2022-11-16 11:02:04,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:02:04,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:02:04,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:02:04,275 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 5 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:02:04,275 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:02:04,276 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [212710802] [2022-11-16 11:02:04,276 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [212710802] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 11:02:04,276 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [906545627] [2022-11-16 11:02:04,276 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-11-16 11:02:04,276 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 11:02:04,277 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:02:04,278 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 11:02:04,298 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (49)] Waiting until timeout for monitored process [2022-11-16 11:02:04,398 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2022-11-16 11:02:04,398 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-16 11:02:04,400 INFO L263 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-16 11:02:04,402 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:02:04,542 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:02:04,542 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 11:02:04,648 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:02:04,648 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [906545627] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 11:02:04,649 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-16 11:02:04,649 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 16 [2022-11-16 11:02:04,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [276054600] [2022-11-16 11:02:04,649 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-16 11:02:04,650 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-16 11:02:04,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:02:04,650 INFO L85 PathProgramCache]: Analyzing trace with hash 68618, now seen corresponding path program 8 times [2022-11-16 11:02:04,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:02:04,650 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [96271386] [2022-11-16 11:02:04,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:02:04,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:02:04,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:02:04,667 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 11:02:04,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:02:04,671 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 11:02:04,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:02:04,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-11-16 11:02:04,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=182, Unknown=0, NotChecked=0, Total=240 [2022-11-16 11:02:04,783 INFO L87 Difference]: Start difference. First operand 38 states and 50 transitions. cyclomatic complexity: 15 Second operand has 16 states, 16 states have (on average 2.4375) internal successors, (39), 16 states have internal predecessors, (39), 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) [2022-11-16 11:02:05,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:02:05,016 INFO L93 Difference]: Finished difference Result 55 states and 74 transitions. [2022-11-16 11:02:05,017 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 55 states and 74 transitions. [2022-11-16 11:02:05,017 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-16 11:02:05,018 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 55 states to 55 states and 74 transitions. [2022-11-16 11:02:05,018 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2022-11-16 11:02:05,018 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2022-11-16 11:02:05,018 INFO L73 IsDeterministic]: Start isDeterministic. Operand 55 states and 74 transitions. [2022-11-16 11:02:05,019 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-16 11:02:05,019 INFO L218 hiAutomatonCegarLoop]: Abstraction has 55 states and 74 transitions. [2022-11-16 11:02:05,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states and 74 transitions. [2022-11-16 11:02:05,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 43. [2022-11-16 11:02:05,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 43 states have (on average 1.302325581395349) internal successors, (56), 42 states have internal predecessors, (56), 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) [2022-11-16 11:02:05,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 56 transitions. [2022-11-16 11:02:05,022 INFO L240 hiAutomatonCegarLoop]: Abstraction has 43 states and 56 transitions. [2022-11-16 11:02:05,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-16 11:02:05,028 INFO L428 stractBuchiCegarLoop]: Abstraction has 43 states and 56 transitions. [2022-11-16 11:02:05,028 INFO L335 stractBuchiCegarLoop]: ======== Iteration 11 ============ [2022-11-16 11:02:05,029 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 43 states and 56 transitions. [2022-11-16 11:02:05,029 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-16 11:02:05,029 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 11:02:05,030 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 11:02:05,030 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:02:05,030 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-16 11:02:05,031 INFO L748 eck$LassoCheckResult]: Stem: 2179#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 2180#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet11#1, main_#t~post10#1, main_~k~0#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;main_~array_size~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1; 2177#L527 assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911); 2178#L527-2 call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 4294967296);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;main_~k~0#1 := 0; 2181#L532-3 assume !!(main_~k~0#1 < main_~array_size~0#1);call write~int(main_#t~nondet11#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~k~0#1, 4);havoc main_#t~nondet11#1; 2182#L532-2 main_#t~post10#1 := main_~k~0#1;main_~k~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 2183#L532-3 assume !!(main_~k~0#1 < main_~array_size~0#1);call write~int(main_#t~nondet11#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~k~0#1, 4);havoc main_#t~nondet11#1; 2198#L532-2 main_#t~post10#1 := main_~k~0#1;main_~k~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 2209#L532-3 assume !!(main_~k~0#1 < main_~array_size~0#1);call write~int(main_#t~nondet11#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~k~0#1, 4);havoc main_#t~nondet11#1; 2207#L532-2 main_#t~post10#1 := main_~k~0#1;main_~k~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 2204#L532-3 assume !!(main_~k~0#1 < main_~array_size~0#1);call write~int(main_#t~nondet11#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~k~0#1, 4);havoc main_#t~nondet11#1; 2202#L532-2 main_#t~post10#1 := main_~k~0#1;main_~k~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 2201#L532-3 assume !(main_~k~0#1 < main_~array_size~0#1); 2184#L532-4 assume { :begin_inline_bubbleSort } true;bubbleSort_#in~numbers#1.base, bubbleSort_#in~numbers#1.offset, bubbleSort_#in~array_size#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc bubbleSort_#t~mem4#1, bubbleSort_#t~mem5#1, bubbleSort_#t~mem6#1, bubbleSort_#t~mem7#1, bubbleSort_#t~post3#1, bubbleSort_#t~post2#1, bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset, bubbleSort_~array_size#1, bubbleSort_~i~0#1, bubbleSort_~j~0#1, bubbleSort_~temp~0#1;bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset := bubbleSort_#in~numbers#1.base, bubbleSort_#in~numbers#1.offset;bubbleSort_~array_size#1 := bubbleSort_#in~array_size#1;havoc bubbleSort_~i~0#1;havoc bubbleSort_~j~0#1;havoc bubbleSort_~temp~0#1;bubbleSort_~i~0#1 := bubbleSort_~array_size#1 - 1; 2185#L515-3 assume !!(bubbleSort_~i~0#1 >= 0);bubbleSort_~j~0#1 := 1; 2190#L516-3 assume !!(bubbleSort_~j~0#1 <= bubbleSort_~i~0#1);call bubbleSort_#t~mem4#1 := read~int(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * (bubbleSort_~j~0#1 - 1), 4);call bubbleSort_#t~mem5#1 := read~int(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * bubbleSort_~j~0#1, 4); 2217#L517 assume !(bubbleSort_#t~mem4#1 > bubbleSort_#t~mem5#1);havoc bubbleSort_#t~mem4#1;havoc bubbleSort_#t~mem5#1; 2218#L516-2 bubbleSort_#t~post3#1 := bubbleSort_~j~0#1;bubbleSort_~j~0#1 := 1 + bubbleSort_#t~post3#1;havoc bubbleSort_#t~post3#1; 2219#L516-3 assume !!(bubbleSort_~j~0#1 <= bubbleSort_~i~0#1);call bubbleSort_#t~mem4#1 := read~int(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * (bubbleSort_~j~0#1 - 1), 4);call bubbleSort_#t~mem5#1 := read~int(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * bubbleSort_~j~0#1, 4); 2199#L517 assume bubbleSort_#t~mem4#1 > bubbleSort_#t~mem5#1;havoc bubbleSort_#t~mem4#1;havoc bubbleSort_#t~mem5#1;call bubbleSort_#t~mem6#1 := read~int(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * (bubbleSort_~j~0#1 - 1), 4);bubbleSort_~temp~0#1 := bubbleSort_#t~mem6#1;havoc bubbleSort_#t~mem6#1;call bubbleSort_#t~mem7#1 := read~int(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * bubbleSort_~j~0#1, 4);call write~int(bubbleSort_#t~mem7#1, bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * (bubbleSort_~j~0#1 - 1), 4);havoc bubbleSort_#t~mem7#1;call write~int(bubbleSort_~temp~0#1, bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * bubbleSort_~j~0#1, 4); 2196#L516-2 bubbleSort_#t~post3#1 := bubbleSort_~j~0#1;bubbleSort_~j~0#1 := 1 + bubbleSort_#t~post3#1;havoc bubbleSort_#t~post3#1; 2197#L516-3 assume !!(bubbleSort_~j~0#1 <= bubbleSort_~i~0#1);call bubbleSort_#t~mem4#1 := read~int(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * (bubbleSort_~j~0#1 - 1), 4);call bubbleSort_#t~mem5#1 := read~int(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * bubbleSort_~j~0#1, 4); 2211#L517 assume !(bubbleSort_#t~mem4#1 > bubbleSort_#t~mem5#1);havoc bubbleSort_#t~mem4#1;havoc bubbleSort_#t~mem5#1; 2213#L516-2 bubbleSort_#t~post3#1 := bubbleSort_~j~0#1;bubbleSort_~j~0#1 := 1 + bubbleSort_#t~post3#1;havoc bubbleSort_#t~post3#1; 2210#L516-3 assume !(bubbleSort_~j~0#1 <= bubbleSort_~i~0#1); 2208#L515-2 bubbleSort_#t~post2#1 := bubbleSort_~i~0#1;bubbleSort_~i~0#1 := bubbleSort_#t~post2#1 - 1;havoc bubbleSort_#t~post2#1; 2205#L515-3 assume !!(bubbleSort_~i~0#1 >= 0);bubbleSort_~j~0#1 := 1; 2195#L516-3 [2022-11-16 11:02:05,031 INFO L750 eck$LassoCheckResult]: Loop: 2195#L516-3 assume !!(bubbleSort_~j~0#1 <= bubbleSort_~i~0#1);call bubbleSort_#t~mem4#1 := read~int(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * (bubbleSort_~j~0#1 - 1), 4);call bubbleSort_#t~mem5#1 := read~int(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * bubbleSort_~j~0#1, 4); 2203#L517 assume bubbleSort_#t~mem4#1 > bubbleSort_#t~mem5#1;havoc bubbleSort_#t~mem4#1;havoc bubbleSort_#t~mem5#1;call bubbleSort_#t~mem6#1 := read~int(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * (bubbleSort_~j~0#1 - 1), 4);bubbleSort_~temp~0#1 := bubbleSort_#t~mem6#1;havoc bubbleSort_#t~mem6#1;call bubbleSort_#t~mem7#1 := read~int(bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * bubbleSort_~j~0#1, 4);call write~int(bubbleSort_#t~mem7#1, bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * (bubbleSort_~j~0#1 - 1), 4);havoc bubbleSort_#t~mem7#1;call write~int(bubbleSort_~temp~0#1, bubbleSort_~numbers#1.base, bubbleSort_~numbers#1.offset + 4 * bubbleSort_~j~0#1, 4); 2194#L516-2 bubbleSort_#t~post3#1 := bubbleSort_~j~0#1;bubbleSort_~j~0#1 := 1 + bubbleSort_#t~post3#1;havoc bubbleSort_#t~post3#1; 2195#L516-3 [2022-11-16 11:02:05,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:02:05,032 INFO L85 PathProgramCache]: Analyzing trace with hash 931747541, now seen corresponding path program 6 times [2022-11-16 11:02:05,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:02:05,032 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1618304258] [2022-11-16 11:02:05,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:02:05,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:02:05,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:02:05,055 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 11:02:05,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:02:05,074 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 11:02:05,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:02:05,075 INFO L85 PathProgramCache]: Analyzing trace with hash 68618, now seen corresponding path program 9 times [2022-11-16 11:02:05,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:02:05,076 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1422214524] [2022-11-16 11:02:05,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:02:05,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:02:05,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:02:05,081 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 11:02:05,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:02:05,085 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 11:02:05,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:02:05,085 INFO L85 PathProgramCache]: Analyzing trace with hash -682601290, now seen corresponding path program 7 times [2022-11-16 11:02:05,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:02:05,086 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1624148589] [2022-11-16 11:02:05,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:02:05,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:02:05,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:02:05,108 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 11:02:05,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:02:05,128 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 11:02:08,615 INFO L210 LassoAnalysis]: Preferences: [2022-11-16 11:02:08,615 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-16 11:02:08,615 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-16 11:02:08,615 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-16 11:02:08,615 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-16 11:02:08,615 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:02:08,615 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-16 11:02:08,615 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-16 11:02:08,615 INFO L133 ssoRankerPreferences]: Filename of dumped script: bubblesort-alloca-2.i_Iteration11_Lasso [2022-11-16 11:02:08,616 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-16 11:02:08,616 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-16 11:02:08,620 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:02:10,296 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:02:10,299 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:02:10,301 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:02:10,306 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:02:10,309 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:02:10,314 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:02:10,317 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:02:10,319 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:02:10,321 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:02:10,324 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:02:10,326 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:02:10,333 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:02:10,336 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:02:10,338 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:02:10,341 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:02:11,208 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-16 11:02:11,208 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-16 11:02:11,209 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:02:11,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:02:11,210 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:02:11,215 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2022-11-16 11:02:11,216 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 [2022-11-16 11:02:11,228 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:02:11,228 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:02:11,228 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:02:11,228 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:02:11,232 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 11:02:11,232 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 11:02:11,243 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:02:11,246 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2022-11-16 11:02:11,246 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:02:11,247 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:02:11,248 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:02:11,251 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2022-11-16 11:02:11,252 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 [2022-11-16 11:02:11,265 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:02:11,265 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:02:11,265 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:02:11,265 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:02:11,282 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 11:02:11,283 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 11:02:11,314 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-16 11:02:11,378 INFO L443 ModelExtractionUtils]: Simplification made 13 calls to the SMT solver. [2022-11-16 11:02:11,378 INFO L444 ModelExtractionUtils]: 8 out of 43 variables were initially zero. Simplification set additionally 31 variables to zero. [2022-11-16 11:02:11,378 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:02:11,379 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:02:11,386 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:02:11,392 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-16 11:02:11,407 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2022-11-16 11:02:11,424 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-16 11:02:11,424 INFO L513 LassoAnalysis]: Proved termination. [2022-11-16 11:02:11,424 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_bubbleSort_~j~0#1, ULTIMATE.start_bubbleSort_~i~0#1) = -2*ULTIMATE.start_bubbleSort_~j~0#1 + 2*ULTIMATE.start_bubbleSort_~i~0#1 + 1 Supporting invariants [] [2022-11-16 11:02:11,429 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2022-11-16 11:02:11,553 INFO L156 tatePredicateManager]: 19 out of 19 supporting invariants were superfluous and have been removed [2022-11-16 11:02:11,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:02:11,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:02:11,615 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-16 11:02:11,617 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:02:11,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:02:11,678 INFO L263 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-16 11:02:11,679 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:02:11,700 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:02:11,701 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 [2022-11-16 11:02:11,701 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 43 states and 56 transitions. cyclomatic complexity: 16 Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 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) [2022-11-16 11:02:11,726 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 43 states and 56 transitions. cyclomatic complexity: 16. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 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 66 states and 90 transitions. Complement of second has 7 states. [2022-11-16 11:02:11,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2022-11-16 11:02:11,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 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) [2022-11-16 11:02:11,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 15 transitions. [2022-11-16 11:02:11,727 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 27 letters. Loop has 3 letters. [2022-11-16 11:02:11,727 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 11:02:11,727 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-16 11:02:11,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:02:11,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:02:11,783 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-16 11:02:11,784 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:02:11,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:02:11,837 INFO L263 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-16 11:02:11,837 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:02:11,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:02:11,860 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 2 loop predicates [2022-11-16 11:02:11,860 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 43 states and 56 transitions. cyclomatic complexity: 16 Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 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) [2022-11-16 11:02:11,881 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 43 states and 56 transitions. cyclomatic complexity: 16. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 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 66 states and 90 transitions. Complement of second has 7 states. [2022-11-16 11:02:11,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2022-11-16 11:02:11,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 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) [2022-11-16 11:02:11,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 15 transitions. [2022-11-16 11:02:11,883 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 27 letters. Loop has 3 letters. [2022-11-16 11:02:11,883 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 11:02:11,883 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-16 11:02:11,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:02:11,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:02:11,940 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-16 11:02:11,940 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:02:11,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:02:11,993 INFO L263 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-16 11:02:11,993 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:02:12,015 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:02:12,015 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-11-16 11:02:12,015 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 43 states and 56 transitions. cyclomatic complexity: 16 Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 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) [2022-11-16 11:02:12,039 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 43 states and 56 transitions. cyclomatic complexity: 16. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 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 62 states and 88 transitions. Complement of second has 6 states. [2022-11-16 11:02:12,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2022-11-16 11:02:12,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 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) [2022-11-16 11:02:12,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 22 transitions. [2022-11-16 11:02:12,040 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 22 transitions. Stem has 27 letters. Loop has 3 letters. [2022-11-16 11:02:12,041 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 11:02:12,041 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 22 transitions. Stem has 30 letters. Loop has 3 letters. [2022-11-16 11:02:12,041 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 11:02:12,041 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 22 transitions. Stem has 27 letters. Loop has 6 letters. [2022-11-16 11:02:12,042 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 11:02:12,042 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 62 states and 88 transitions. [2022-11-16 11:02:12,042 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-16 11:02:12,043 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 62 states to 0 states and 0 transitions. [2022-11-16 11:02:12,043 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-11-16 11:02:12,043 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-11-16 11:02:12,043 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-11-16 11:02:12,043 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:02:12,043 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-16 11:02:12,043 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-16 11:02:12,043 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-16 11:02:12,044 INFO L335 stractBuchiCegarLoop]: ======== Iteration 12 ============ [2022-11-16 11:02:12,044 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-11-16 11:02:12,044 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-16 11:02:12,044 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-11-16 11:02:12,053 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 16.11 11:02:12 BoogieIcfgContainer [2022-11-16 11:02:12,053 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-16 11:02:12,053 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 11:02:12,054 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 11:02:12,054 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 11:02:12,055 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:01:46" (3/4) ... [2022-11-16 11:02:12,062 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-16 11:02:12,062 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 11:02:12,063 INFO L158 Benchmark]: Toolchain (without parser) took 27011.47ms. Allocated memory was 165.7MB in the beginning and 239.1MB in the end (delta: 73.4MB). Free memory was 134.4MB in the beginning and 125.2MB in the end (delta: 9.2MB). Peak memory consumption was 83.2MB. Max. memory is 16.1GB. [2022-11-16 11:02:12,064 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 100.7MB. Free memory was 55.0MB in the beginning and 54.9MB in the end (delta: 92.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:02:12,064 INFO L158 Benchmark]: CACSL2BoogieTranslator took 693.04ms. Allocated memory is still 165.7MB. Free memory was 134.0MB in the beginning and 135.2MB in the end (delta: -1.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-16 11:02:12,065 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.16ms. Allocated memory is still 165.7MB. Free memory was 135.2MB in the beginning and 133.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 11:02:12,065 INFO L158 Benchmark]: Boogie Preprocessor took 29.22ms. Allocated memory is still 165.7MB. Free memory was 133.6MB in the beginning and 132.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 11:02:12,066 INFO L158 Benchmark]: RCFGBuilder took 380.70ms. Allocated memory is still 165.7MB. Free memory was 132.1MB in the beginning and 120.6MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-16 11:02:12,066 INFO L158 Benchmark]: BuchiAutomizer took 25844.81ms. Allocated memory was 165.7MB in the beginning and 239.1MB in the end (delta: 73.4MB). Free memory was 120.6MB in the beginning and 126.3MB in the end (delta: -5.7MB). Peak memory consumption was 69.2MB. Max. memory is 16.1GB. [2022-11-16 11:02:12,066 INFO L158 Benchmark]: Witness Printer took 8.46ms. Allocated memory is still 239.1MB. Free memory is still 125.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:02:12,069 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 100.7MB. Free memory was 55.0MB in the beginning and 54.9MB in the end (delta: 92.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 693.04ms. Allocated memory is still 165.7MB. Free memory was 134.0MB in the beginning and 135.2MB in the end (delta: -1.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.16ms. Allocated memory is still 165.7MB. Free memory was 135.2MB in the beginning and 133.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.22ms. Allocated memory is still 165.7MB. Free memory was 133.6MB in the beginning and 132.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 380.70ms. Allocated memory is still 165.7MB. Free memory was 132.1MB in the beginning and 120.6MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 25844.81ms. Allocated memory was 165.7MB in the beginning and 239.1MB in the end (delta: 73.4MB). Free memory was 120.6MB in the beginning and 126.3MB in the end (delta: -5.7MB). Peak memory consumption was 69.2MB. Max. memory is 16.1GB. * Witness Printer took 8.46ms. Allocated memory is still 239.1MB. Free memory is still 125.2MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 12 terminating modules (7 trivial, 3 deterministic, 2 nondeterministic). One deterministic module has affine ranking function array_size + -1 * k and consists of 5 locations. One deterministic module has affine ranking function 2 * i + 1 and consists of 3 locations. One deterministic module has affine ranking function -4 * j + -1 * numbers + 4294967289 and consists of 6 locations. One nondeterministic module has affine ranking function 12 * i + 4 * k + numbers + -8 * j and consists of 10 locations. One nondeterministic module has affine ranking function 2 * i + -2 * j + 1 and consists of 4 locations. 7 modules have a trivial ranking function, the largest among these consists of 17 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 25.7s and 12 iterations. TraceHistogramMax:4. Analysis of lassos took 21.6s. Construction of modules took 0.8s. Büchi inclusion checks took 3.1s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 10. Automata minimization 0.1s AutomataMinimizationTime, 11 MinimizatonAttempts, 47 StatesRemovedByMinimization, 10 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [3, 0, 2, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 570 SdHoareTripleChecker+Valid, 1.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 565 mSDsluCounter, 533 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 377 mSDsCounter, 80 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 894 IncrementalHoareTripleChecker+Invalid, 974 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 80 mSolverCounterUnsat, 156 mSDtfsCounter, 894 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc3 concLT0 SILN0 SILU3 SILI0 SILT1 lasso4 LassoPreprocessingBenchmarks: Lassos: inital225 mio100 ax140 hnf100 lsp76 ukn74 mio100 lsp70 div140 bol100 ite100 ukn100 eq161 hnf93 smp79 dnf100 smp100 tf103 neg98 sie104 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 44ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 3 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-11-16 11:02:12,095 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2022-11-16 11:02:12,299 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (49)] Ended with exit code 0 [2022-11-16 11:02:12,499 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Ended with exit code 0 [2022-11-16 11:02:12,699 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Ended with exit code 0 [2022-11-16 11:02:12,900 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Ended with exit code 0 [2022-11-16 11:02:13,100 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Ended with exit code 0 [2022-11-16 11:02:13,300 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2022-11-16 11:02:13,502 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34842c46-c215-45bc-ae36-b10412439b3a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE