./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/b.09-no-inv_assume-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3366969d-9a2f-4bd5-bdb0-edf52a32ae37/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3366969d-9a2f-4bd5-bdb0-edf52a32ae37/bin/uautomizer-vX5HgA9Q3a/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3366969d-9a2f-4bd5-bdb0-edf52a32ae37/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3366969d-9a2f-4bd5-bdb0-edf52a32ae37/bin/uautomizer-vX5HgA9Q3a/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/b.09-no-inv_assume-alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3366969d-9a2f-4bd5-bdb0-edf52a32ae37/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3366969d-9a2f-4bd5-bdb0-edf52a32ae37/bin/uautomizer-vX5HgA9Q3a --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash b459ef52e6f503a483dfcee5782d400696002c8f6100462cc05f5e2316fe0d4b --- 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-b5237d8 [2022-11-21 16:44:12,604 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 16:44:12,607 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 16:44:12,630 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 16:44:12,633 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 16:44:12,636 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 16:44:12,639 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 16:44:12,643 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 16:44:12,645 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 16:44:12,651 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 16:44:12,653 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 16:44:12,655 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 16:44:12,655 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 16:44:12,660 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 16:44:12,663 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 16:44:12,666 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 16:44:12,668 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 16:44:12,668 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 16:44:12,670 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 16:44:12,677 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 16:44:12,678 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 16:44:12,680 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 16:44:12,682 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 16:44:12,682 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 16:44:12,692 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 16:44:12,693 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 16:44:12,693 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 16:44:12,696 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 16:44:12,696 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 16:44:12,697 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 16:44:12,698 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 16:44:12,699 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 16:44:12,701 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 16:44:12,702 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 16:44:12,704 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 16:44:12,704 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 16:44:12,705 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 16:44:12,705 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 16:44:12,706 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 16:44:12,706 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 16:44:12,707 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 16:44:12,708 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3366969d-9a2f-4bd5-bdb0-edf52a32ae37/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-11-21 16:44:12,746 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 16:44:12,746 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 16:44:12,746 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 16:44:12,749 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 16:44:12,751 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 16:44:12,751 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 16:44:12,751 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 16:44:12,751 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-21 16:44:12,752 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-21 16:44:12,752 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-21 16:44:12,753 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-21 16:44:12,753 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-21 16:44:12,753 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-21 16:44:12,754 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 16:44:12,754 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 16:44:12,754 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 16:44:12,754 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 16:44:12,755 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-21 16:44:12,755 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-21 16:44:12,755 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-21 16:44:12,755 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 16:44:12,756 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-21 16:44:12,756 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 16:44:12,756 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-21 16:44:12,757 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 16:44:12,757 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 16:44:12,758 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 16:44:12,758 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-21 16:44:12,760 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-21 16:44:12,760 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_3366969d-9a2f-4bd5-bdb0-edf52a32ae37/bin/uautomizer-vX5HgA9Q3a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3366969d-9a2f-4bd5-bdb0-edf52a32ae37/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b459ef52e6f503a483dfcee5782d400696002c8f6100462cc05f5e2316fe0d4b [2022-11-21 16:44:13,046 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 16:44:13,068 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 16:44:13,071 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 16:44:13,073 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 16:44:13,073 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 16:44:13,074 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3366969d-9a2f-4bd5-bdb0-edf52a32ae37/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/termination-memory-alloca/b.09-no-inv_assume-alloca.i [2022-11-21 16:44:16,223 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 16:44:16,450 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 16:44:16,461 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3366969d-9a2f-4bd5-bdb0-edf52a32ae37/sv-benchmarks/c/termination-memory-alloca/b.09-no-inv_assume-alloca.i [2022-11-21 16:44:16,476 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3366969d-9a2f-4bd5-bdb0-edf52a32ae37/bin/uautomizer-vX5HgA9Q3a/data/01487cf74/c9fe2f64ebd64f35ad62122876b7ad1d/FLAG5e8aa9b27 [2022-11-21 16:44:16,494 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3366969d-9a2f-4bd5-bdb0-edf52a32ae37/bin/uautomizer-vX5HgA9Q3a/data/01487cf74/c9fe2f64ebd64f35ad62122876b7ad1d [2022-11-21 16:44:16,499 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 16:44:16,500 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 16:44:16,505 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 16:44:16,505 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 16:44:16,509 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 16:44:16,510 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:44:16" (1/1) ... [2022-11-21 16:44:16,511 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51df3cf1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:44:16, skipping insertion in model container [2022-11-21 16:44:16,511 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:44:16" (1/1) ... [2022-11-21 16:44:16,519 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 16:44:16,566 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 16:44:16,840 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 16:44:16,853 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 16:44:16,896 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 16:44:16,921 INFO L208 MainTranslator]: Completed translation [2022-11-21 16:44:16,922 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:44:16 WrapperNode [2022-11-21 16:44:16,922 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 16:44:16,923 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 16:44:16,923 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 16:44:16,923 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 16:44:16,931 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:44:16" (1/1) ... [2022-11-21 16:44:16,944 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:44:16" (1/1) ... [2022-11-21 16:44:16,961 INFO L138 Inliner]: procedures = 111, calls = 30, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 81 [2022-11-21 16:44:16,961 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 16:44:16,962 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 16:44:16,962 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 16:44:16,962 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 16:44:16,972 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:44:16" (1/1) ... [2022-11-21 16:44:16,972 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:44:16" (1/1) ... [2022-11-21 16:44:16,975 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:44:16" (1/1) ... [2022-11-21 16:44:16,975 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:44:16" (1/1) ... [2022-11-21 16:44:16,980 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:44:16" (1/1) ... [2022-11-21 16:44:16,984 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:44:16" (1/1) ... [2022-11-21 16:44:16,985 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:44:16" (1/1) ... [2022-11-21 16:44:16,986 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:44:16" (1/1) ... [2022-11-21 16:44:16,988 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 16:44:16,989 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 16:44:16,989 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 16:44:16,989 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 16:44:16,990 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:44:16" (1/1) ... [2022-11-21 16:44:16,997 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:44:17,009 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3366969d-9a2f-4bd5-bdb0-edf52a32ae37/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:44:17,021 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3366969d-9a2f-4bd5-bdb0-edf52a32ae37/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:44:17,031 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3366969d-9a2f-4bd5-bdb0-edf52a32ae37/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-21 16:44:17,071 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-21 16:44:17,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-21 16:44:17,071 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 16:44:17,074 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 16:44:17,075 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 16:44:17,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 16:44:17,200 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 16:44:17,202 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 16:44:17,380 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 16:44:17,386 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 16:44:17,387 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-21 16:44:17,389 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:44:17 BoogieIcfgContainer [2022-11-21 16:44:17,389 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 16:44:17,390 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-21 16:44:17,390 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-21 16:44:17,394 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-21 16:44:17,395 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-21 16:44:17,396 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.11 04:44:16" (1/3) ... [2022-11-21 16:44:17,397 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@30d2526f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.11 04:44:17, skipping insertion in model container [2022-11-21 16:44:17,397 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-21 16:44:17,397 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:44:16" (2/3) ... [2022-11-21 16:44:17,398 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@30d2526f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.11 04:44:17, skipping insertion in model container [2022-11-21 16:44:17,398 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-21 16:44:17,398 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:44:17" (3/3) ... [2022-11-21 16:44:17,400 INFO L332 chiAutomizerObserver]: Analyzing ICFG b.09-no-inv_assume-alloca.i [2022-11-21 16:44:17,461 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-21 16:44:17,462 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-21 16:44:17,462 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-21 16:44:17,462 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-21 16:44:17,462 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-21 16:44:17,463 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-21 16:44:17,463 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-21 16:44:17,463 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-21 16:44:17,468 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:44:17,488 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-11-21 16:44:17,489 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-21 16:44:17,489 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-21 16:44:17,495 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-11-21 16:44:17,495 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-11-21 16:44:17,495 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-21 16:44:17,496 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:44:17,497 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-11-21 16:44:17,497 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-21 16:44:17,498 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-21 16:44:17,498 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-11-21 16:44:17,498 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-11-21 16:44:17,506 INFO L748 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 8#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet15#1, main_#t~nondet16#1, main_#t~ret17#1;assume { :begin_inline_test_fun } true;test_fun_#in~x#1, test_fun_#in~y#1 := main_#t~nondet15#1, main_#t~nondet16#1;havoc test_fun_#res#1;havoc test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset, test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset, test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset, test_fun_#t~mem5#1, test_fun_#t~mem6#1, test_fun_#t~short7#1, test_fun_#t~mem9#1, test_fun_#t~mem10#1, test_fun_#t~mem11#1, test_fun_#t~mem12#1, test_fun_#t~mem13#1, test_fun_#t~mem8#1, test_fun_#t~mem14#1, test_fun_~x#1, test_fun_~y#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, test_fun_~c~0#1.base, test_fun_~c~0#1.offset;test_fun_~x#1 := test_fun_#in~x#1;test_fun_~y#1 := test_fun_#in~y#1;call test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset := test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset;call test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset := test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset;call test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);test_fun_~c~0#1.base, test_fun_~c~0#1.offset := test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset;call write~int(test_fun_~x#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int(test_fun_~y#1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int(0, test_fun_~c~0#1.base, test_fun_~c~0#1.offset, 4);call test_fun_#t~mem5#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);test_fun_#t~short7#1 := test_fun_#t~mem5#1 <= 0; 10#L555true assume !test_fun_#t~short7#1;call test_fun_#t~mem6#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short7#1 := test_fun_#t~mem6#1 <= 0; 6#L555-2true assume !test_fun_#t~short7#1;havoc test_fun_#t~mem5#1;havoc test_fun_#t~mem6#1;havoc test_fun_#t~short7#1; 5#L558-3true [2022-11-21 16:44:17,507 INFO L750 eck$LassoCheckResult]: Loop: 5#L558-3true call test_fun_#t~mem8#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4); 7#L558-1true assume !!!(0 == test_fun_#t~mem8#1);havoc test_fun_#t~mem8#1;call test_fun_#t~mem9#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call test_fun_#t~mem10#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 11#L559true assume test_fun_#t~mem9#1 > test_fun_#t~mem10#1;havoc test_fun_#t~mem9#1;havoc test_fun_#t~mem10#1;call test_fun_#t~mem11#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int(test_fun_#t~mem11#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);havoc test_fun_#t~mem11#1; 12#L559-2true call test_fun_#t~mem13#1 := read~int(test_fun_~c~0#1.base, test_fun_~c~0#1.offset, 4);call write~int(1 + test_fun_#t~mem13#1, test_fun_~c~0#1.base, test_fun_~c~0#1.offset, 4);havoc test_fun_#t~mem13#1; 5#L558-3true [2022-11-21 16:44:17,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:44:17,513 INFO L85 PathProgramCache]: Analyzing trace with hash 925673, now seen corresponding path program 1 times [2022-11-21 16:44:17,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:44:17,522 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [343185745] [2022-11-21 16:44:17,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:44:17,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:44:17,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:44:17,727 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 16:44:17,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:44:17,820 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 16:44:17,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:44:17,825 INFO L85 PathProgramCache]: Analyzing trace with hash 1482698, now seen corresponding path program 1 times [2022-11-21 16:44:17,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:44:17,827 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [13921354] [2022-11-21 16:44:17,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:44:17,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:44:17,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:44:17,877 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 16:44:17,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:44:17,895 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 16:44:17,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:44:17,898 INFO L85 PathProgramCache]: Analyzing trace with hash 180521906, now seen corresponding path program 1 times [2022-11-21 16:44:17,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:44:17,898 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1525821232] [2022-11-21 16:44:17,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:44:17,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:44:17,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:44:17,978 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 16:44:18,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:44:18,039 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 16:44:19,064 INFO L210 LassoAnalysis]: Preferences: [2022-11-21 16:44:19,065 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-21 16:44:19,065 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-21 16:44:19,065 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-21 16:44:19,065 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-21 16:44:19,065 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:44:19,065 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-21 16:44:19,066 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-21 16:44:19,066 INFO L133 ssoRankerPreferences]: Filename of dumped script: b.09-no-inv_assume-alloca.i_Iteration1_Lasso [2022-11-21 16:44:19,066 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-21 16:44:19,066 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-21 16:44:19,089 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:44:19,099 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:44:19,102 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:44:19,105 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:44:19,108 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:44:19,110 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:44:19,115 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:44:19,117 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:44:19,121 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:44:19,125 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:44:19,127 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:44:19,985 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:44:19,988 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:44:19,992 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:44:19,995 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:44:19,998 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:44:20,002 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:44:20,004 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:44:20,007 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:44:20,572 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-21 16:44:20,580 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-21 16:44:20,582 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:44:20,582 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3366969d-9a2f-4bd5-bdb0-edf52a32ae37/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:44:20,586 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3366969d-9a2f-4bd5-bdb0-edf52a32ae37/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:44:20,592 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3366969d-9a2f-4bd5-bdb0-edf52a32ae37/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-21 16:44:20,592 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 16:44:20,605 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 16:44:20,605 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 16:44:20,606 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 16:44:20,606 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 16:44:20,606 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 16:44:20,608 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 16:44:20,608 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 16:44:20,620 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 16:44:20,634 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3366969d-9a2f-4bd5-bdb0-edf52a32ae37/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-11-21 16:44:20,634 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:44:20,634 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3366969d-9a2f-4bd5-bdb0-edf52a32ae37/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:44:20,636 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3366969d-9a2f-4bd5-bdb0-edf52a32ae37/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:44:20,639 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3366969d-9a2f-4bd5-bdb0-edf52a32ae37/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-21 16:44:20,640 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 [2022-11-21 16:44:20,655 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 16:44:20,655 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 16:44:20,656 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 16:44:20,656 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 16:44:20,656 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 16:44:20,657 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 16:44:20,657 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 16:44:20,683 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 16:44:20,687 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3366969d-9a2f-4bd5-bdb0-edf52a32ae37/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-11-21 16:44:20,687 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:44:20,687 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3366969d-9a2f-4bd5-bdb0-edf52a32ae37/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:44:20,693 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3366969d-9a2f-4bd5-bdb0-edf52a32ae37/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:44:20,696 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3366969d-9a2f-4bd5-bdb0-edf52a32ae37/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-21 16:44:20,698 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 [2022-11-21 16:44:20,711 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 16:44:20,711 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 16:44:20,711 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 16:44:20,711 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 16:44:20,711 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 16:44:20,712 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 16:44:20,712 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 16:44:20,721 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 16:44:20,725 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3366969d-9a2f-4bd5-bdb0-edf52a32ae37/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-11-21 16:44:20,725 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:44:20,726 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3366969d-9a2f-4bd5-bdb0-edf52a32ae37/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:44:20,727 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3366969d-9a2f-4bd5-bdb0-edf52a32ae37/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:44:20,731 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3366969d-9a2f-4bd5-bdb0-edf52a32ae37/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-21 16:44:20,732 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 [2022-11-21 16:44:20,744 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 16:44:20,744 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 16:44:20,744 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 16:44:20,745 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 16:44:20,745 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 16:44:20,745 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 16:44:20,746 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 16:44:20,771 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 16:44:20,775 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3366969d-9a2f-4bd5-bdb0-edf52a32ae37/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-11-21 16:44:20,775 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:44:20,775 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3366969d-9a2f-4bd5-bdb0-edf52a32ae37/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:44:20,777 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3366969d-9a2f-4bd5-bdb0-edf52a32ae37/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:44:20,783 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 [2022-11-21 16:44:20,784 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3366969d-9a2f-4bd5-bdb0-edf52a32ae37/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-21 16:44:20,793 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 16:44:20,794 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 16:44:20,794 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 16:44:20,794 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 16:44:20,794 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 16:44:20,795 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 16:44:20,795 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 16:44:20,796 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 16:44:20,807 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3366969d-9a2f-4bd5-bdb0-edf52a32ae37/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2022-11-21 16:44:20,807 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:44:20,808 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3366969d-9a2f-4bd5-bdb0-edf52a32ae37/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:44:20,809 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3366969d-9a2f-4bd5-bdb0-edf52a32ae37/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:44:20,811 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3366969d-9a2f-4bd5-bdb0-edf52a32ae37/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-21 16:44:20,811 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 [2022-11-21 16:44:20,821 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 16:44:20,822 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 16:44:20,822 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 16:44:20,822 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 16:44:20,826 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-21 16:44:20,827 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-21 16:44:20,852 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 16:44:20,855 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3366969d-9a2f-4bd5-bdb0-edf52a32ae37/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2022-11-21 16:44:20,856 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:44:20,856 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3366969d-9a2f-4bd5-bdb0-edf52a32ae37/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:44:20,857 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3366969d-9a2f-4bd5-bdb0-edf52a32ae37/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:44:20,860 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3366969d-9a2f-4bd5-bdb0-edf52a32ae37/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-11-21 16:44:20,860 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 [2022-11-21 16:44:20,870 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 16:44:20,871 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 16:44:20,871 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 16:44:20,871 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 16:44:20,871 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 16:44:20,872 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 16:44:20,872 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 16:44:20,883 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 16:44:20,891 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3366969d-9a2f-4bd5-bdb0-edf52a32ae37/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2022-11-21 16:44:20,892 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:44:20,892 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3366969d-9a2f-4bd5-bdb0-edf52a32ae37/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:44:20,893 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3366969d-9a2f-4bd5-bdb0-edf52a32ae37/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:44:20,908 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 [2022-11-21 16:44:20,921 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 16:44:20,921 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 16:44:20,921 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 16:44:20,921 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 16:44:20,922 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3366969d-9a2f-4bd5-bdb0-edf52a32ae37/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-11-21 16:44:20,931 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-21 16:44:20,931 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-21 16:44:20,951 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 16:44:20,959 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3366969d-9a2f-4bd5-bdb0-edf52a32ae37/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-11-21 16:44:20,960 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:44:20,960 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3366969d-9a2f-4bd5-bdb0-edf52a32ae37/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:44:20,962 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3366969d-9a2f-4bd5-bdb0-edf52a32ae37/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:44:20,971 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 [2022-11-21 16:44:20,983 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 16:44:20,983 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 16:44:20,984 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 16:44:20,984 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 16:44:20,985 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3366969d-9a2f-4bd5-bdb0-edf52a32ae37/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-11-21 16:44:20,988 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-21 16:44:20,988 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-21 16:44:20,999 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 16:44:21,007 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3366969d-9a2f-4bd5-bdb0-edf52a32ae37/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-11-21 16:44:21,007 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:44:21,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3366969d-9a2f-4bd5-bdb0-edf52a32ae37/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:44:21,009 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3366969d-9a2f-4bd5-bdb0-edf52a32ae37/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:44:21,023 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 [2022-11-21 16:44:21,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3366969d-9a2f-4bd5-bdb0-edf52a32ae37/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-11-21 16:44:21,035 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 16:44:21,035 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 16:44:21,035 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 16:44:21,035 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 16:44:21,036 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 16:44:21,036 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 16:44:21,037 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 16:44:21,045 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 16:44:21,049 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3366969d-9a2f-4bd5-bdb0-edf52a32ae37/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-11-21 16:44:21,050 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:44:21,050 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3366969d-9a2f-4bd5-bdb0-edf52a32ae37/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:44:21,051 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3366969d-9a2f-4bd5-bdb0-edf52a32ae37/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:44:21,064 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 [2022-11-21 16:44:21,075 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3366969d-9a2f-4bd5-bdb0-edf52a32ae37/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-11-21 16:44:21,076 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 16:44:21,077 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 16:44:21,077 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 16:44:21,077 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 16:44:21,084 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-21 16:44:21,085 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-21 16:44:21,100 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 16:44:21,109 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3366969d-9a2f-4bd5-bdb0-edf52a32ae37/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-11-21 16:44:21,109 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:44:21,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3366969d-9a2f-4bd5-bdb0-edf52a32ae37/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:44:21,110 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3366969d-9a2f-4bd5-bdb0-edf52a32ae37/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:44:21,119 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3366969d-9a2f-4bd5-bdb0-edf52a32ae37/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-11-21 16:44:21,120 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 [2022-11-21 16:44:21,136 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 16:44:21,137 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 16:44:21,137 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 16:44:21,137 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 16:44:21,151 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-21 16:44:21,152 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-21 16:44:21,179 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 16:44:21,188 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3366969d-9a2f-4bd5-bdb0-edf52a32ae37/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-11-21 16:44:21,188 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:44:21,188 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3366969d-9a2f-4bd5-bdb0-edf52a32ae37/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:44:21,190 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3366969d-9a2f-4bd5-bdb0-edf52a32ae37/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:44:21,199 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 [2022-11-21 16:44:21,212 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 16:44:21,212 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 16:44:21,212 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 16:44:21,212 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 16:44:21,213 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3366969d-9a2f-4bd5-bdb0-edf52a32ae37/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-11-21 16:44:21,215 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-21 16:44:21,216 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-21 16:44:21,235 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 16:44:21,239 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3366969d-9a2f-4bd5-bdb0-edf52a32ae37/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-11-21 16:44:21,239 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:44:21,239 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3366969d-9a2f-4bd5-bdb0-edf52a32ae37/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:44:21,241 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3366969d-9a2f-4bd5-bdb0-edf52a32ae37/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:44:21,247 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3366969d-9a2f-4bd5-bdb0-edf52a32ae37/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-11-21 16:44:21,248 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 16:44:21,260 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 16:44:21,260 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 16:44:21,261 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 16:44:21,261 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 16:44:21,263 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-21 16:44:21,263 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-21 16:44:21,274 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 16:44:21,283 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3366969d-9a2f-4bd5-bdb0-edf52a32ae37/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-11-21 16:44:21,283 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:44:21,283 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3366969d-9a2f-4bd5-bdb0-edf52a32ae37/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:44:21,285 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3366969d-9a2f-4bd5-bdb0-edf52a32ae37/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:44:21,296 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 [2022-11-21 16:44:21,309 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 16:44:21,296 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3366969d-9a2f-4bd5-bdb0-edf52a32ae37/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-11-21 16:44:21,309 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 16:44:21,309 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-21 16:44:21,309 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 16:44:21,329 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2022-11-21 16:44:21,329 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2022-11-21 16:44:21,375 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-21 16:44:21,423 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2022-11-21 16:44:21,424 INFO L444 ModelExtractionUtils]: 16 out of 46 variables were initially zero. Simplification set additionally 27 variables to zero. [2022-11-21 16:44:21,425 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:44:21,426 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3366969d-9a2f-4bd5-bdb0-edf52a32ae37/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:44:21,462 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3366969d-9a2f-4bd5-bdb0-edf52a32ae37/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:44:21,463 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3366969d-9a2f-4bd5-bdb0-edf52a32ae37/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-11-21 16:44:21,464 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-21 16:44:21,516 INFO L438 nArgumentSynthesizer]: Removed 3 redundant supporting invariants from a total of 4. [2022-11-21 16:44:21,516 INFO L513 LassoAnalysis]: Proved termination. [2022-11-21 16:44:21,516 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_test_fun_~x_ref~0#1.base) ULTIMATE.start_test_fun_~x_ref~0#1.offset)_1) = 1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~x_ref~0#1.base) ULTIMATE.start_test_fun_~x_ref~0#1.offset)_1 Supporting invariants [1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~y_ref~0#1.base) ULTIMATE.start_test_fun_~y_ref~0#1.offset)_1 >= 0] [2022-11-21 16:44:21,536 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3366969d-9a2f-4bd5-bdb0-edf52a32ae37/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2022-11-21 16:44:21,678 INFO L156 tatePredicateManager]: 23 out of 25 supporting invariants were superfluous and have been removed [2022-11-21 16:44:21,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:44:21,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:44:21,778 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-21 16:44:21,781 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 16:44:22,022 INFO L321 Elim1Store]: treesize reduction 117, result has 35.4 percent of original size [2022-11-21 16:44:22,024 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 194 treesize of output 281 [2022-11-21 16:44:22,066 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 8 treesize of output 7 [2022-11-21 16:44:22,093 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 12 treesize of output 11 [2022-11-21 16:44:22,124 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 12 treesize of output 11 [2022-11-21 16:44:22,445 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-21 16:44:22,462 INFO L321 Elim1Store]: treesize reduction 13, result has 38.1 percent of original size [2022-11-21 16:44:22,467 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 193 treesize of output 162 [2022-11-21 16:44:22,646 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 7 [2022-11-21 16:44:22,683 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3366969d-9a2f-4bd5-bdb0-edf52a32ae37/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2022-11-21 16:44:22,693 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 7 [2022-11-21 16:44:22,728 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-21 16:44:22,732 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 15 [2022-11-21 16:44:22,737 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 7 [2022-11-21 16:44:22,849 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 20 [2022-11-21 16:44:22,853 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-21 16:44:23,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:44:23,412 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-21 16:44:23,413 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 16:44:23,496 INFO L321 Elim1Store]: treesize reduction 27, result has 38.6 percent of original size [2022-11-21 16:44:23,496 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 43 treesize of output 35 [2022-11-21 16:44:23,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:44:23,591 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.3 stem predicates 3 loop predicates [2022-11-21 16:44:23,594 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 7 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:44:23,636 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 7 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 states have internal predecessors, (8), 0 states have call successors, (0), 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 13 states and 17 transitions. Complement of second has 2 states. [2022-11-21 16:44:23,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 1 states 1 stem states 0 non-accepting loop states 0 accepting loop states [2022-11-21 16:44:23,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:44:23,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1 states to 1 states and 1 transitions. [2022-11-21 16:44:23,650 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 1 states and 1 transitions. Stem has 4 letters. Loop has 4 letters. [2022-11-21 16:44:23,651 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-21 16:44:23,651 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-21 16:44:23,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:44:23,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:44:23,724 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-21 16:44:23,727 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 16:44:23,891 INFO L321 Elim1Store]: treesize reduction 117, result has 35.4 percent of original size [2022-11-21 16:44:23,891 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 194 treesize of output 281 [2022-11-21 16:44:23,912 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 8 treesize of output 7 [2022-11-21 16:44:23,933 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 12 treesize of output 11 [2022-11-21 16:44:23,949 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 12 treesize of output 11 [2022-11-21 16:44:24,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 16:44:24,258 INFO L321 Elim1Store]: treesize reduction 36, result has 18.2 percent of original size [2022-11-21 16:44:24,259 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 251 treesize of output 218 [2022-11-21 16:44:24,289 INFO L321 Elim1Store]: treesize reduction 20, result has 4.8 percent of original size [2022-11-21 16:44:24,289 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 64 treesize of output 23 [2022-11-21 16:44:24,295 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 7 [2022-11-21 16:44:24,338 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 16 [2022-11-21 16:44:24,350 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-21 16:44:24,359 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 7 [2022-11-21 16:44:24,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:44:24,832 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-21 16:44:24,835 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 16:44:24,922 INFO L321 Elim1Store]: treesize reduction 27, result has 38.6 percent of original size [2022-11-21 16:44:24,922 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 43 treesize of output 35 [2022-11-21 16:44:24,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:44:24,975 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.3 stem predicates 3 loop predicates [2022-11-21 16:44:24,975 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 7 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:44:25,042 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 7 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 states have internal predecessors, (8), 0 states have call successors, (0), 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 25 states and 30 transitions. Complement of second has 5 states. [2022-11-21 16:44:25,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-21 16:44:25,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:44:25,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 13 transitions. [2022-11-21 16:44:25,044 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 4 letters. Loop has 4 letters. [2022-11-21 16:44:25,045 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-21 16:44:25,052 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-21 16:44:25,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:44:25,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:44:25,113 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-21 16:44:25,115 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 16:44:25,272 INFO L321 Elim1Store]: treesize reduction 117, result has 35.4 percent of original size [2022-11-21 16:44:25,273 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 194 treesize of output 281 [2022-11-21 16:44:25,289 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 8 treesize of output 7 [2022-11-21 16:44:25,318 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 12 treesize of output 11 [2022-11-21 16:44:25,334 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 12 treesize of output 11 [2022-11-21 16:44:25,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 16:44:25,689 INFO L321 Elim1Store]: treesize reduction 69, result has 18.8 percent of original size [2022-11-21 16:44:25,690 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 294 treesize of output 307 [2022-11-21 16:44:25,780 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 16 [2022-11-21 16:44:25,809 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 16 [2022-11-21 16:44:25,857 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 7 [2022-11-21 16:44:25,885 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 7 [2022-11-21 16:44:26,002 INFO L321 Elim1Store]: treesize reduction 20, result has 4.8 percent of original size [2022-11-21 16:44:26,003 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 85 treesize of output 16 [2022-11-21 16:44:26,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:44:26,564 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-21 16:44:26,566 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 16:44:26,645 INFO L321 Elim1Store]: treesize reduction 27, result has 38.6 percent of original size [2022-11-21 16:44:26,645 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 43 treesize of output 35 [2022-11-21 16:44:26,689 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:44:26,690 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.3 stem predicates 3 loop predicates [2022-11-21 16:44:26,690 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 7 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:44:26,823 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 7 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 states have internal predecessors, (8), 0 states have call successors, (0), 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 31 states and 39 transitions. Complement of second has 5 states. [2022-11-21 16:44:26,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-21 16:44:26,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:44:26,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 22 transitions. [2022-11-21 16:44:26,825 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 22 transitions. Stem has 4 letters. Loop has 4 letters. [2022-11-21 16:44:26,825 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-21 16:44:26,825 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-21 16:44:26,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:44:26,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:44:26,881 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-21 16:44:26,882 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 16:44:27,055 INFO L321 Elim1Store]: treesize reduction 117, result has 35.4 percent of original size [2022-11-21 16:44:27,055 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 194 treesize of output 281 [2022-11-21 16:44:27,075 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 8 treesize of output 7 [2022-11-21 16:44:27,098 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 12 treesize of output 11 [2022-11-21 16:44:27,114 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 12 treesize of output 11 [2022-11-21 16:44:27,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 16:44:27,539 INFO L321 Elim1Store]: treesize reduction 77, result has 9.4 percent of original size [2022-11-21 16:44:27,540 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 203 treesize of output 213 [2022-11-21 16:44:27,592 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 16 [2022-11-21 16:44:27,616 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 7 [2022-11-21 16:44:27,640 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-21 16:44:27,721 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-21 16:44:27,723 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 11 [2022-11-21 16:44:28,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:44:28,174 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-21 16:44:28,179 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 16:44:28,253 INFO L321 Elim1Store]: treesize reduction 27, result has 38.6 percent of original size [2022-11-21 16:44:28,254 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 43 treesize of output 35 [2022-11-21 16:44:28,299 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:44:28,300 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and with honda bouncer for loop.3 stem predicates 3 loop predicates [2022-11-21 16:44:28,300 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 7 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:44:28,317 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 7 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 states have internal predecessors, (8), 0 states have call successors, (0), 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 13 states and 17 transitions. Complement of second has 2 states. [2022-11-21 16:44:28,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 1 states 1 stem states 0 non-accepting loop states 0 accepting loop states [2022-11-21 16:44:28,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:44:28,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1 states to 1 states and 1 transitions. [2022-11-21 16:44:28,320 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 1 states and 1 transitions. Stem has 4 letters. Loop has 4 letters. [2022-11-21 16:44:28,320 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-21 16:44:28,320 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-21 16:44:28,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:44:28,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:44:28,373 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-21 16:44:28,375 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 16:44:28,527 INFO L321 Elim1Store]: treesize reduction 117, result has 35.4 percent of original size [2022-11-21 16:44:28,527 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 92 treesize of output 229 [2022-11-21 16:44:28,541 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 8 treesize of output 7 [2022-11-21 16:44:28,557 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 12 treesize of output 11 [2022-11-21 16:44:28,573 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 12 treesize of output 11 [2022-11-21 16:44:28,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 16:44:28,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-21 16:44:28,803 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-21 16:44:28,810 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-21 16:44:28,811 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 104 treesize of output 65 [2022-11-21 16:44:28,819 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 7 [2022-11-21 16:44:28,823 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 7 [2022-11-21 16:44:28,868 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-21 16:44:28,873 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-21 16:44:28,879 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-21 16:44:28,894 INFO L321 Elim1Store]: treesize reduction 36, result has 18.2 percent of original size [2022-11-21 16:44:28,894 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 140 treesize of output 151 [2022-11-21 16:44:28,929 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 7 [2022-11-21 16:44:28,988 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-21 16:44:28,989 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-21 16:44:28,990 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 5 [2022-11-21 16:44:29,002 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 7 [2022-11-21 16:44:29,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:44:29,381 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-21 16:44:29,382 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 16:44:29,461 INFO L321 Elim1Store]: treesize reduction 27, result has 38.6 percent of original size [2022-11-21 16:44:29,461 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 43 treesize of output 35 [2022-11-21 16:44:29,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:44:29,510 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemin loopwithout honda bouncer for stem and without honda bouncer for loop.3 stem predicates 3 loop predicates [2022-11-21 16:44:29,511 INFO L104 BuchiDifferenceFKV]: Start buchiDifferenceFKV. First operand has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 7 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:44:29,659 INFO L108 BuchiDifferenceFKV]: Finished buchiDifferenceFKV. First operand has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 7 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 51 states and 78 transitions. Complement of second has 6 states 4 powerset states2 rank states. The highest rank that occured is 1 [2022-11-21 16:44:29,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-21 16:44:29,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:44:29,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 38 transitions. [2022-11-21 16:44:29,662 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 38 transitions. Stem has 4 letters. Loop has 4 letters. [2022-11-21 16:44:29,662 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-21 16:44:29,662 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-21 16:44:29,663 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer has thrown an exception: java.lang.AssertionError: no settings was sufficient at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.cegar.AbstractBuchiCegarLoop.refineBuchiInternal(AbstractBuchiCegarLoop.java:663) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.cegar.AbstractBuchiCegarLoop.runCegarLoop(AbstractBuchiCegarLoop.java:404) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.runCegarLoops(BuchiAutomizerObserver.java:136) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.doTerminationAnalysis(BuchiAutomizerObserver.java:157) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.finish(BuchiAutomizerObserver.java:341) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-11-21 16:44:29,666 INFO L158 Benchmark]: Toolchain (without parser) took 13165.72ms. Allocated memory was 174.1MB in the beginning and 302.0MB in the end (delta: 127.9MB). Free memory was 127.3MB in the beginning and 211.0MB in the end (delta: -83.7MB). Peak memory consumption was 44.8MB. Max. memory is 16.1GB. [2022-11-21 16:44:29,666 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 174.1MB. Free memory is still 145.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 16:44:29,666 INFO L158 Benchmark]: CACSL2BoogieTranslator took 417.12ms. Allocated memory is still 174.1MB. Free memory was 127.3MB in the beginning and 111.4MB in the end (delta: 15.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-21 16:44:29,667 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.40ms. Allocated memory is still 174.1MB. Free memory was 111.4MB in the beginning and 109.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 16:44:29,667 INFO L158 Benchmark]: Boogie Preprocessor took 26.23ms. Allocated memory is still 174.1MB. Free memory was 109.3MB in the beginning and 107.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 16:44:29,667 INFO L158 Benchmark]: RCFGBuilder took 400.30ms. Allocated memory is still 174.1MB. Free memory was 107.8MB in the beginning and 95.2MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-21 16:44:29,667 INFO L158 Benchmark]: BuchiAutomizer took 12275.23ms. Allocated memory was 174.1MB in the beginning and 302.0MB in the end (delta: 127.9MB). Free memory was 95.2MB in the beginning and 211.0MB in the end (delta: -115.8MB). Peak memory consumption was 13.4MB. Max. memory is 16.1GB. [2022-11-21 16:44:29,669 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 174.1MB. Free memory is still 145.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 417.12ms. Allocated memory is still 174.1MB. Free memory was 127.3MB in the beginning and 111.4MB in the end (delta: 15.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.40ms. Allocated memory is still 174.1MB. Free memory was 111.4MB in the beginning and 109.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.23ms. Allocated memory is still 174.1MB. Free memory was 109.3MB in the beginning and 107.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 400.30ms. Allocated memory is still 174.1MB. Free memory was 107.8MB in the beginning and 95.2MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 12275.23ms. Allocated memory was 174.1MB in the beginning and 302.0MB in the end (delta: 127.9MB). Free memory was 95.2MB in the beginning and 211.0MB in the end (delta: -115.8MB). Peak memory consumption was 13.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: - ExceptionOrErrorResult: AssertionError: no settings was sufficient de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: AssertionError: no settings was sufficient: de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.cegar.AbstractBuchiCegarLoop.refineBuchiInternal(AbstractBuchiCegarLoop.java:663) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-21 16:44:29,692 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3366969d-9a2f-4bd5-bdb0-edf52a32ae37/bin/uautomizer-vX5HgA9Q3a/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 Using bit-precise analysis No suitable file found in config dir /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3366969d-9a2f-4bd5-bdb0-edf52a32ae37/bin/uautomizer-vX5HgA9Q3a/config using search string *Termination*64bit*_Bitvector*.epf No suitable settings file found using Termination*64bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: no settings was sufficient