./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/b.07-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 6b4ec56b 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_84c2cf9f-1a12-46a9-bfea-a1b30b049e1d/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84c2cf9f-1a12-46a9-bfea-a1b30b049e1d/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84c2cf9f-1a12-46a9-bfea-a1b30b049e1d/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84c2cf9f-1a12-46a9-bfea-a1b30b049e1d/bin/uautomizer-ug76WZFUDN/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/b.07-alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84c2cf9f-1a12-46a9-bfea-a1b30b049e1d/bin/uautomizer-ug76WZFUDN/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84c2cf9f-1a12-46a9-bfea-a1b30b049e1d/bin/uautomizer-ug76WZFUDN --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 468953385e0ecb57effbe4a67e36beea0bc9797d81fab044af341dde527767a1 --- 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-6b4ec56 [2022-11-20 11:33:41,619 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 11:33:41,622 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 11:33:41,664 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 11:33:41,664 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 11:33:41,668 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 11:33:41,670 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 11:33:41,674 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 11:33:41,675 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 11:33:41,681 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 11:33:41,682 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 11:33:41,684 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 11:33:41,685 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 11:33:41,688 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 11:33:41,692 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 11:33:41,693 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 11:33:41,696 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 11:33:41,698 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 11:33:41,700 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 11:33:41,703 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 11:33:41,706 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 11:33:41,709 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 11:33:41,710 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 11:33:41,711 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 11:33:41,720 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 11:33:41,724 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 11:33:41,724 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 11:33:41,725 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 11:33:41,727 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 11:33:41,728 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 11:33:41,728 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 11:33:41,729 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 11:33:41,730 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 11:33:41,732 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 11:33:41,733 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 11:33:41,733 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 11:33:41,734 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 11:33:41,734 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 11:33:41,734 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 11:33:41,736 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 11:33:41,737 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 11:33:41,738 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84c2cf9f-1a12-46a9-bfea-a1b30b049e1d/bin/uautomizer-ug76WZFUDN/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-11-20 11:33:41,780 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 11:33:41,780 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 11:33:41,781 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 11:33:41,781 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 11:33:41,783 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 11:33:41,783 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 11:33:41,783 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 11:33:41,783 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-20 11:33:41,784 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-20 11:33:41,784 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-20 11:33:41,785 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-20 11:33:41,785 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-20 11:33:41,785 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-20 11:33:41,786 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 11:33:41,786 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 11:33:41,786 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 11:33:41,786 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 11:33:41,787 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-20 11:33:41,787 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-20 11:33:41,787 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-20 11:33:41,787 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 11:33:41,787 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-20 11:33:41,788 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 11:33:41,788 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-20 11:33:41,788 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 11:33:41,788 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 11:33:41,789 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 11:33:41,789 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 11:33:41,791 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-20 11:33:41,791 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_84c2cf9f-1a12-46a9-bfea-a1b30b049e1d/bin/uautomizer-ug76WZFUDN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84c2cf9f-1a12-46a9-bfea-a1b30b049e1d/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 468953385e0ecb57effbe4a67e36beea0bc9797d81fab044af341dde527767a1 [2022-11-20 11:33:42,076 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 11:33:42,098 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 11:33:42,102 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 11:33:42,104 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 11:33:42,105 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 11:33:42,106 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84c2cf9f-1a12-46a9-bfea-a1b30b049e1d/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/termination-memory-alloca/b.07-alloca.i [2022-11-20 11:33:45,096 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 11:33:45,338 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 11:33:45,339 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84c2cf9f-1a12-46a9-bfea-a1b30b049e1d/sv-benchmarks/c/termination-memory-alloca/b.07-alloca.i [2022-11-20 11:33:45,365 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84c2cf9f-1a12-46a9-bfea-a1b30b049e1d/bin/uautomizer-ug76WZFUDN/data/eb18cedf3/52601a42837e410d9fce8b86026d2ccb/FLAGf981f7746 [2022-11-20 11:33:45,379 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84c2cf9f-1a12-46a9-bfea-a1b30b049e1d/bin/uautomizer-ug76WZFUDN/data/eb18cedf3/52601a42837e410d9fce8b86026d2ccb [2022-11-20 11:33:45,381 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 11:33:45,383 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 11:33:45,384 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 11:33:45,384 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 11:33:45,390 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 11:33:45,391 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:33:45" (1/1) ... [2022-11-20 11:33:45,392 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60ec052e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:33:45, skipping insertion in model container [2022-11-20 11:33:45,392 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:33:45" (1/1) ... [2022-11-20 11:33:45,400 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 11:33:45,450 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 11:33:45,716 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 11:33:45,730 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 11:33:45,804 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 11:33:45,832 INFO L208 MainTranslator]: Completed translation [2022-11-20 11:33:45,834 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:33:45 WrapperNode [2022-11-20 11:33:45,834 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 11:33:45,835 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 11:33:45,835 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 11:33:45,835 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 11:33:45,842 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:33:45" (1/1) ... [2022-11-20 11:33:45,865 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:33:45" (1/1) ... [2022-11-20 11:33:45,892 INFO L138 Inliner]: procedures = 111, calls = 28, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 74 [2022-11-20 11:33:45,893 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 11:33:45,894 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 11:33:45,894 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 11:33:45,894 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 11:33:45,903 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:33:45" (1/1) ... [2022-11-20 11:33:45,904 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:33:45" (1/1) ... [2022-11-20 11:33:45,920 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:33:45" (1/1) ... [2022-11-20 11:33:45,921 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:33:45" (1/1) ... [2022-11-20 11:33:45,924 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:33:45" (1/1) ... [2022-11-20 11:33:45,934 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:33:45" (1/1) ... [2022-11-20 11:33:45,935 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:33:45" (1/1) ... [2022-11-20 11:33:45,938 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:33:45" (1/1) ... [2022-11-20 11:33:45,940 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 11:33:45,949 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 11:33:45,950 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 11:33:45,950 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 11:33:45,951 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:33:45" (1/1) ... [2022-11-20 11:33:45,959 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:33:45,969 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84c2cf9f-1a12-46a9-bfea-a1b30b049e1d/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:33:45,988 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84c2cf9f-1a12-46a9-bfea-a1b30b049e1d/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:33:46,009 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84c2cf9f-1a12-46a9-bfea-a1b30b049e1d/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-20 11:33:46,033 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 11:33:46,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 11:33:46,033 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 11:33:46,034 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 11:33:46,034 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 11:33:46,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 11:33:46,171 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 11:33:46,173 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 11:33:46,332 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 11:33:46,337 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 11:33:46,337 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-20 11:33:46,339 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:33:46 BoogieIcfgContainer [2022-11-20 11:33:46,340 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 11:33:46,341 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-20 11:33:46,341 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-20 11:33:46,345 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-20 11:33:46,345 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-20 11:33:46,346 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 11:33:45" (1/3) ... [2022-11-20 11:33:46,347 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@57a1cb32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 11:33:46, skipping insertion in model container [2022-11-20 11:33:46,347 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-20 11:33:46,347 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:33:45" (2/3) ... [2022-11-20 11:33:46,347 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@57a1cb32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 11:33:46, skipping insertion in model container [2022-11-20 11:33:46,348 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-20 11:33:46,348 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:33:46" (3/3) ... [2022-11-20 11:33:46,349 INFO L332 chiAutomizerObserver]: Analyzing ICFG b.07-alloca.i [2022-11-20 11:33:46,403 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-20 11:33:46,403 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-20 11:33:46,404 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-20 11:33:46,404 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-20 11:33:46,404 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-20 11:33:46,404 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-20 11:33:46,404 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-20 11:33:46,404 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-20 11:33:46,409 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:33:46,427 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-20 11:33:46,427 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 11:33:46,427 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 11:33:46,432 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-20 11:33:46,432 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-20 11:33:46,432 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-20 11:33:46,433 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:33:46,434 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-20 11:33:46,434 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 11:33:46,434 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 11:33:46,434 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-20 11:33:46,434 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-20 11:33:46,442 INFO L748 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 8#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet14#1, 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, test_fun_#in~z#1 := main_#t~nondet14#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~malloc5#1.base, test_fun_#t~malloc5#1.offset, test_fun_#t~mem11#1, test_fun_#t~mem12#1, test_fun_#t~mem6#1, test_fun_#t~mem7#1, test_fun_#t~mem8#1, test_fun_#t~mem9#1, test_fun_#t~short10#1, test_fun_#t~mem13#1, test_fun_~x#1, test_fun_~y#1, test_fun_~z#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_~z_ref~0#1.base, test_fun_~z_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;test_fun_~z#1 := test_fun_#in~z#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_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset := test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset;call test_fun_#t~malloc5#1.base, test_fun_#t~malloc5#1.offset := #Ultimate.allocOnStack(4);test_fun_~c~0#1.base, test_fun_~c~0#1.offset := test_fun_#t~malloc5#1.base, test_fun_#t~malloc5#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(test_fun_~z#1, test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4);call write~int(0, test_fun_~c~0#1.base, test_fun_~c~0#1.offset, 4); 5#L557-5true [2022-11-20 11:33:46,442 INFO L750 eck$LassoCheckResult]: Loop: 5#L557-5true call test_fun_#t~mem6#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call test_fun_#t~mem7#1 := read~int(test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4);test_fun_#t~short10#1 := test_fun_#t~mem6#1 > test_fun_#t~mem7#1; 10#L557-1true assume test_fun_#t~short10#1;call test_fun_#t~mem8#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call test_fun_#t~mem9#1 := read~int(test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4);test_fun_#t~short10#1 := test_fun_#t~mem8#1 > test_fun_#t~mem9#1; 9#L557-3true assume !!test_fun_#t~short10#1;havoc test_fun_#t~mem6#1;havoc test_fun_#t~mem7#1;havoc test_fun_#t~mem8#1;havoc test_fun_#t~mem9#1;havoc test_fun_#t~short10#1;call test_fun_#t~mem11#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int(test_fun_#t~mem11#1 - 1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);havoc test_fun_#t~mem11#1;call test_fun_#t~mem12#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int(test_fun_#t~mem12#1 - 1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);havoc test_fun_#t~mem12#1; 5#L557-5true [2022-11-20 11:33:46,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:33:46,448 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2022-11-20 11:33:46,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:33:46,458 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [992396167] [2022-11-20 11:33:46,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:33:46,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:33:46,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:33:46,693 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 11:33:46,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:33:46,760 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 11:33:46,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:33:46,764 INFO L85 PathProgramCache]: Analyzing trace with hash 36846, now seen corresponding path program 1 times [2022-11-20 11:33:46,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:33:46,765 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1656218603] [2022-11-20 11:33:46,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:33:46,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:33:46,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:33:46,792 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 11:33:46,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:33:46,807 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 11:33:46,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:33:46,823 INFO L85 PathProgramCache]: Analyzing trace with hash 28695788, now seen corresponding path program 1 times [2022-11-20 11:33:46,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:33:46,824 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1888844213] [2022-11-20 11:33:46,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:33:46,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:33:46,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:33:46,948 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 11:33:47,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:33:47,031 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 11:33:49,426 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 11:33:49,426 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 11:33:49,427 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 11:33:49,427 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 11:33:49,427 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-20 11:33:49,427 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:33:49,428 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 11:33:49,428 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 11:33:49,428 INFO L133 ssoRankerPreferences]: Filename of dumped script: b.07-alloca.i_Iteration1_Lasso [2022-11-20 11:33:49,428 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 11:33:49,428 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 11:33:49,451 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:33:49,461 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:33:49,466 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:33:49,468 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:33:49,473 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:33:49,475 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:33:49,479 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:33:49,482 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:33:49,486 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:33:49,490 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:33:49,493 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:33:49,495 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:33:49,502 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:33:49,505 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:33:49,508 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:33:50,568 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:33:50,572 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:33:50,574 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 11:33:51,248 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 11:33:51,253 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-20 11:33:51,254 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:33:51,255 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84c2cf9f-1a12-46a9-bfea-a1b30b049e1d/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:33:51,258 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84c2cf9f-1a12-46a9-bfea-a1b30b049e1d/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:33:51,268 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 [2022-11-20 11:33:51,281 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84c2cf9f-1a12-46a9-bfea-a1b30b049e1d/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-20 11:33:51,282 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:33:51,282 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:33:51,283 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:33:51,283 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:33:51,283 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:33:51,285 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 11:33:51,286 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:33:51,300 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:33:51,306 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84c2cf9f-1a12-46a9-bfea-a1b30b049e1d/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2022-11-20 11:33:51,306 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:33:51,307 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84c2cf9f-1a12-46a9-bfea-a1b30b049e1d/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:33:51,323 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84c2cf9f-1a12-46a9-bfea-a1b30b049e1d/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:33:51,326 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84c2cf9f-1a12-46a9-bfea-a1b30b049e1d/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-20 11:33:51,328 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 [2022-11-20 11:33:51,339 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:33:51,339 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:33:51,339 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:33:51,339 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:33:51,340 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:33:51,340 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 11:33:51,341 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:33:51,350 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:33:51,359 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84c2cf9f-1a12-46a9-bfea-a1b30b049e1d/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-11-20 11:33:51,360 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:33:51,360 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84c2cf9f-1a12-46a9-bfea-a1b30b049e1d/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:33:51,362 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84c2cf9f-1a12-46a9-bfea-a1b30b049e1d/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:33:51,371 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84c2cf9f-1a12-46a9-bfea-a1b30b049e1d/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-20 11:33:51,371 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 [2022-11-20 11:33:51,385 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:33:51,385 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:33:51,385 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:33:51,386 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:33:51,386 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:33:51,388 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 11:33:51,389 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:33:51,399 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:33:51,407 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84c2cf9f-1a12-46a9-bfea-a1b30b049e1d/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-11-20 11:33:51,408 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:33:51,408 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84c2cf9f-1a12-46a9-bfea-a1b30b049e1d/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:33:51,410 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84c2cf9f-1a12-46a9-bfea-a1b30b049e1d/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:33:51,420 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 11:33:51,433 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:33:51,433 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:33:51,433 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:33:51,433 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:33:51,433 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:33:51,435 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 11:33:51,435 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:33:51,437 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84c2cf9f-1a12-46a9-bfea-a1b30b049e1d/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-20 11:33:51,450 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:33:51,464 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84c2cf9f-1a12-46a9-bfea-a1b30b049e1d/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-11-20 11:33:51,464 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:33:51,465 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84c2cf9f-1a12-46a9-bfea-a1b30b049e1d/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:33:51,466 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84c2cf9f-1a12-46a9-bfea-a1b30b049e1d/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:33:51,472 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84c2cf9f-1a12-46a9-bfea-a1b30b049e1d/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-20 11:33:51,472 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 11:33:51,485 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:33:51,485 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:33:51,486 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:33:51,486 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:33:51,486 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:33:51,487 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 11:33:51,487 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:33:51,502 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:33:51,510 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84c2cf9f-1a12-46a9-bfea-a1b30b049e1d/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-11-20 11:33:51,511 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:33:51,511 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84c2cf9f-1a12-46a9-bfea-a1b30b049e1d/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:33:51,512 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84c2cf9f-1a12-46a9-bfea-a1b30b049e1d/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:33:51,514 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84c2cf9f-1a12-46a9-bfea-a1b30b049e1d/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-20 11:33:51,515 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 [2022-11-20 11:33:51,526 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:33:51,526 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:33:51,526 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:33:51,526 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:33:51,529 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 11:33:51,529 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 11:33:51,540 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:33:51,550 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84c2cf9f-1a12-46a9-bfea-a1b30b049e1d/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-11-20 11:33:51,551 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:33:51,551 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84c2cf9f-1a12-46a9-bfea-a1b30b049e1d/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:33:51,553 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84c2cf9f-1a12-46a9-bfea-a1b30b049e1d/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:33:51,563 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84c2cf9f-1a12-46a9-bfea-a1b30b049e1d/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-11-20 11:33:51,564 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 [2022-11-20 11:33:51,576 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:33:51,576 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:33:51,577 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:33:51,577 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:33:51,577 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:33:51,578 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 11:33:51,579 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:33:51,589 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:33:51,597 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84c2cf9f-1a12-46a9-bfea-a1b30b049e1d/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-11-20 11:33:51,598 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:33:51,598 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84c2cf9f-1a12-46a9-bfea-a1b30b049e1d/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:33:51,600 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84c2cf9f-1a12-46a9-bfea-a1b30b049e1d/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:33:51,612 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 [2022-11-20 11:33:51,625 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:33:51,625 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:33:51,625 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:33:51,626 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:33:51,629 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84c2cf9f-1a12-46a9-bfea-a1b30b049e1d/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-11-20 11:33:51,634 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 11:33:51,634 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 11:33:51,650 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:33:51,659 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84c2cf9f-1a12-46a9-bfea-a1b30b049e1d/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-11-20 11:33:51,659 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:33:51,659 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84c2cf9f-1a12-46a9-bfea-a1b30b049e1d/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:33:51,661 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84c2cf9f-1a12-46a9-bfea-a1b30b049e1d/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:33:51,666 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84c2cf9f-1a12-46a9-bfea-a1b30b049e1d/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-11-20 11:33:51,667 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 [2022-11-20 11:33:51,679 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:33:51,679 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:33:51,680 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:33:51,680 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:33:51,683 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 11:33:51,683 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 11:33:51,702 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:33:51,710 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84c2cf9f-1a12-46a9-bfea-a1b30b049e1d/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-11-20 11:33:51,711 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:33:51,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84c2cf9f-1a12-46a9-bfea-a1b30b049e1d/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:33:51,713 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84c2cf9f-1a12-46a9-bfea-a1b30b049e1d/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:33:51,722 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 [2022-11-20 11:33:51,734 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:33:51,734 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:33:51,734 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:33:51,735 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:33:51,737 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 11:33:51,737 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 11:33:51,738 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84c2cf9f-1a12-46a9-bfea-a1b30b049e1d/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-11-20 11:33:51,748 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:33:51,757 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84c2cf9f-1a12-46a9-bfea-a1b30b049e1d/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-11-20 11:33:51,757 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:33:51,758 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84c2cf9f-1a12-46a9-bfea-a1b30b049e1d/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:33:51,759 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84c2cf9f-1a12-46a9-bfea-a1b30b049e1d/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:33:51,763 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 [2022-11-20 11:33:51,764 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84c2cf9f-1a12-46a9-bfea-a1b30b049e1d/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-11-20 11:33:51,777 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:33:51,777 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:33:51,777 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:33:51,778 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:33:51,778 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:33:51,778 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 11:33:51,779 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:33:51,780 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:33:51,787 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84c2cf9f-1a12-46a9-bfea-a1b30b049e1d/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-11-20 11:33:51,787 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:33:51,788 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84c2cf9f-1a12-46a9-bfea-a1b30b049e1d/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:33:51,789 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84c2cf9f-1a12-46a9-bfea-a1b30b049e1d/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:33:51,794 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84c2cf9f-1a12-46a9-bfea-a1b30b049e1d/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-11-20 11:33:51,794 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 11:33:51,806 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:33:51,806 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:33:51,806 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:33:51,806 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:33:51,806 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:33:51,807 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 11:33:51,807 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:33:51,814 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:33:51,818 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84c2cf9f-1a12-46a9-bfea-a1b30b049e1d/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2022-11-20 11:33:51,819 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:33:51,819 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84c2cf9f-1a12-46a9-bfea-a1b30b049e1d/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:33:51,820 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84c2cf9f-1a12-46a9-bfea-a1b30b049e1d/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:33:51,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84c2cf9f-1a12-46a9-bfea-a1b30b049e1d/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-11-20 11:33:51,823 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 [2022-11-20 11:33:51,833 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:33:51,833 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:33:51,833 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:33:51,834 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:33:51,837 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 11:33:51,838 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 11:33:51,849 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:33:51,858 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84c2cf9f-1a12-46a9-bfea-a1b30b049e1d/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-11-20 11:33:51,859 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:33:51,859 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84c2cf9f-1a12-46a9-bfea-a1b30b049e1d/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:33:51,860 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84c2cf9f-1a12-46a9-bfea-a1b30b049e1d/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:33:51,872 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 [2022-11-20 11:33:51,885 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:33:51,885 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:33:51,886 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:33:51,886 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:33:51,886 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:33:51,886 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 11:33:51,887 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:33:51,887 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84c2cf9f-1a12-46a9-bfea-a1b30b049e1d/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-11-20 11:33:51,896 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:33:51,904 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84c2cf9f-1a12-46a9-bfea-a1b30b049e1d/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-11-20 11:33:51,905 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:33:51,905 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84c2cf9f-1a12-46a9-bfea-a1b30b049e1d/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:33:51,906 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84c2cf9f-1a12-46a9-bfea-a1b30b049e1d/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:33:51,910 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 [2022-11-20 11:33:51,923 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84c2cf9f-1a12-46a9-bfea-a1b30b049e1d/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-11-20 11:33:51,924 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:33:51,924 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:33:51,924 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:33:51,924 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:33:51,938 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 11:33:51,939 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 11:33:51,958 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:33:51,967 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84c2cf9f-1a12-46a9-bfea-a1b30b049e1d/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2022-11-20 11:33:51,967 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:33:51,967 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84c2cf9f-1a12-46a9-bfea-a1b30b049e1d/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:33:51,968 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84c2cf9f-1a12-46a9-bfea-a1b30b049e1d/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:33:51,975 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84c2cf9f-1a12-46a9-bfea-a1b30b049e1d/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-11-20 11:33:51,976 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 [2022-11-20 11:33:51,987 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:33:51,987 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:33:51,987 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:33:51,987 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:33:52,004 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 11:33:52,004 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 11:33:52,024 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-20 11:33:52,111 INFO L443 ModelExtractionUtils]: Simplification made 16 calls to the SMT solver. [2022-11-20 11:33:52,111 INFO L444 ModelExtractionUtils]: 13 out of 40 variables were initially zero. Simplification set additionally 24 variables to zero. [2022-11-20 11:33:52,112 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:33:52,113 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84c2cf9f-1a12-46a9-bfea-a1b30b049e1d/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:33:52,114 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84c2cf9f-1a12-46a9-bfea-a1b30b049e1d/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:33:52,122 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-20 11:33:52,134 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84c2cf9f-1a12-46a9-bfea-a1b30b049e1d/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-11-20 11:33:52,145 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-20 11:33:52,145 INFO L513 LassoAnalysis]: Proved termination. [2022-11-20 11:33:52,146 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_test_fun_~z_ref~0#1.base) ULTIMATE.start_test_fun_~z_ref~0#1.offset)_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) = -1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~z_ref~0#1.base) ULTIMATE.start_test_fun_~z_ref~0#1.offset)_1 + 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 Supporting invariants [] [2022-11-20 11:33:52,155 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84c2cf9f-1a12-46a9-bfea-a1b30b049e1d/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2022-11-20 11:33:52,398 INFO L156 tatePredicateManager]: 37 out of 37 supporting invariants were superfluous and have been removed [2022-11-20 11:33:52,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:33:52,520 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84c2cf9f-1a12-46a9-bfea-a1b30b049e1d/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2022-11-20 11:33:52,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:33:52,538 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 11:33:52,540 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:33:52,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:33:52,581 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 22 conjunts are in the unsatisfiable core [2022-11-20 11:33:52,584 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:33:52,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:33:52,855 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2022-11-20 11:33:52,857 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:33:52,966 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 38 states and 44 transitions. Complement of second has 9 states. [2022-11-20 11:33:52,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2022-11-20 11:33:52,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:33:52,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 24 transitions. [2022-11-20 11:33:52,977 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 24 transitions. Stem has 2 letters. Loop has 3 letters. [2022-11-20 11:33:52,978 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 11:33:52,978 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 24 transitions. Stem has 5 letters. Loop has 3 letters. [2022-11-20 11:33:52,979 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 11:33:52,979 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 24 transitions. Stem has 2 letters. Loop has 6 letters. [2022-11-20 11:33:52,981 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 11:33:52,982 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 38 states and 44 transitions. [2022-11-20 11:33:52,987 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-20 11:33:52,991 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 38 states to 12 states and 15 transitions. [2022-11-20 11:33:52,992 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2022-11-20 11:33:52,992 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2022-11-20 11:33:52,993 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 15 transitions. [2022-11-20 11:33:52,993 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-20 11:33:52,993 INFO L218 hiAutomatonCegarLoop]: Abstraction has 12 states and 15 transitions. [2022-11-20 11:33:53,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states and 15 transitions. [2022-11-20 11:33:53,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 11. [2022-11-20 11:33:53,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:33:53,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 14 transitions. [2022-11-20 11:33:53,021 INFO L240 hiAutomatonCegarLoop]: Abstraction has 11 states and 14 transitions. [2022-11-20 11:33:53,021 INFO L428 stractBuchiCegarLoop]: Abstraction has 11 states and 14 transitions. [2022-11-20 11:33:53,021 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-20 11:33:53,021 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states and 14 transitions. [2022-11-20 11:33:53,021 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-20 11:33:53,021 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 11:33:53,022 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 11:33:53,022 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-11-20 11:33:53,022 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-20 11:33:53,022 INFO L748 eck$LassoCheckResult]: Stem: 241#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 242#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet14#1, 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, test_fun_#in~z#1 := main_#t~nondet14#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~malloc5#1.base, test_fun_#t~malloc5#1.offset, test_fun_#t~mem11#1, test_fun_#t~mem12#1, test_fun_#t~mem6#1, test_fun_#t~mem7#1, test_fun_#t~mem8#1, test_fun_#t~mem9#1, test_fun_#t~short10#1, test_fun_#t~mem13#1, test_fun_~x#1, test_fun_~y#1, test_fun_~z#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_~z_ref~0#1.base, test_fun_~z_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;test_fun_~z#1 := test_fun_#in~z#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_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset := test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset;call test_fun_#t~malloc5#1.base, test_fun_#t~malloc5#1.offset := #Ultimate.allocOnStack(4);test_fun_~c~0#1.base, test_fun_~c~0#1.offset := test_fun_#t~malloc5#1.base, test_fun_#t~malloc5#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(test_fun_~z#1, test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4);call write~int(0, test_fun_~c~0#1.base, test_fun_~c~0#1.offset, 4); 250#L557-5 call test_fun_#t~mem6#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call test_fun_#t~mem7#1 := read~int(test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4);test_fun_#t~short10#1 := test_fun_#t~mem6#1 > test_fun_#t~mem7#1; 244#L557-1 [2022-11-20 11:33:53,023 INFO L750 eck$LassoCheckResult]: Loop: 244#L557-1 assume !test_fun_#t~short10#1; 247#L557-3 assume !!test_fun_#t~short10#1;havoc test_fun_#t~mem6#1;havoc test_fun_#t~mem7#1;havoc test_fun_#t~mem8#1;havoc test_fun_#t~mem9#1;havoc test_fun_#t~short10#1;call test_fun_#t~mem11#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int(test_fun_#t~mem11#1 - 1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);havoc test_fun_#t~mem11#1;call test_fun_#t~mem12#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int(test_fun_#t~mem12#1 - 1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);havoc test_fun_#t~mem12#1; 243#L557-5 call test_fun_#t~mem6#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call test_fun_#t~mem7#1 := read~int(test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4);test_fun_#t~short10#1 := test_fun_#t~mem6#1 > test_fun_#t~mem7#1; 244#L557-1 [2022-11-20 11:33:53,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:33:53,023 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2022-11-20 11:33:53,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:33:53,024 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1993152831] [2022-11-20 11:33:53,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:33:53,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:33:53,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:33:53,087 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 11:33:53,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:33:53,124 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 11:33:53,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:33:53,125 INFO L85 PathProgramCache]: Analyzing trace with hash 41888, now seen corresponding path program 1 times [2022-11-20 11:33:53,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:33:53,125 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1832629379] [2022-11-20 11:33:53,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:33:53,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:33:53,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:33:53,211 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:33:53,211 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:33:53,211 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1832629379] [2022-11-20 11:33:53,213 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1832629379] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:33:53,213 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:33:53,213 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 11:33:53,214 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [565641393] [2022-11-20 11:33:53,214 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:33:53,218 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-20 11:33:53,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:33:53,220 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:33:53,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:33:53,222 INFO L87 Difference]: Start difference. First operand 11 states and 14 transitions. cyclomatic complexity: 5 Second operand has 3 states, 3 states have (on average 1.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:33:53,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:33:53,242 INFO L93 Difference]: Finished difference Result 9 states and 10 transitions. [2022-11-20 11:33:53,242 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 9 states and 10 transitions. [2022-11-20 11:33:53,244 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-20 11:33:53,244 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 9 states to 0 states and 0 transitions. [2022-11-20 11:33:53,245 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-11-20 11:33:53,245 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-11-20 11:33:53,245 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-11-20 11:33:53,245 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:33:53,245 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-20 11:33:53,245 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-20 11:33:53,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:33:53,247 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-20 11:33:53,247 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-11-20 11:33:53,247 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-11-20 11:33:53,247 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-20 11:33:53,247 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-11-20 11:33:53,255 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 11:33:53 BoogieIcfgContainer [2022-11-20 11:33:53,255 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-20 11:33:53,256 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 11:33:53,256 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 11:33:53,256 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 11:33:53,257 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:33:46" (3/4) ... [2022-11-20 11:33:53,260 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-20 11:33:53,260 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 11:33:53,261 INFO L158 Benchmark]: Toolchain (without parser) took 7877.73ms. Allocated memory was 144.7MB in the beginning and 234.9MB in the end (delta: 90.2MB). Free memory was 112.2MB in the beginning and 158.7MB in the end (delta: -46.5MB). Peak memory consumption was 45.4MB. Max. memory is 16.1GB. [2022-11-20 11:33:53,261 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 144.7MB. Free memory is still 85.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 11:33:53,267 INFO L158 Benchmark]: CACSL2BoogieTranslator took 450.09ms. Allocated memory is still 144.7MB. Free memory was 112.2MB in the beginning and 96.5MB in the end (delta: 15.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-20 11:33:53,267 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.36ms. Allocated memory is still 144.7MB. Free memory was 96.5MB in the beginning and 94.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 11:33:53,269 INFO L158 Benchmark]: Boogie Preprocessor took 54.73ms. Allocated memory is still 144.7MB. Free memory was 94.4MB in the beginning and 92.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 11:33:53,269 INFO L158 Benchmark]: RCFGBuilder took 390.30ms. Allocated memory is still 144.7MB. Free memory was 92.9MB in the beginning and 80.3MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-20 11:33:53,270 INFO L158 Benchmark]: BuchiAutomizer took 6914.86ms. Allocated memory was 144.7MB in the beginning and 234.9MB in the end (delta: 90.2MB). Free memory was 80.3MB in the beginning and 159.7MB in the end (delta: -79.4MB). Peak memory consumption was 11.8MB. Max. memory is 16.1GB. [2022-11-20 11:33:53,270 INFO L158 Benchmark]: Witness Printer took 3.97ms. Allocated memory is still 234.9MB. Free memory is still 158.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 11:33:53,278 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 144.7MB. Free memory is still 85.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 450.09ms. Allocated memory is still 144.7MB. Free memory was 112.2MB in the beginning and 96.5MB in the end (delta: 15.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.36ms. Allocated memory is still 144.7MB. Free memory was 96.5MB in the beginning and 94.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.73ms. Allocated memory is still 144.7MB. Free memory was 94.4MB in the beginning and 92.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 390.30ms. Allocated memory is still 144.7MB. Free memory was 92.9MB in the beginning and 80.3MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 6914.86ms. Allocated memory was 144.7MB in the beginning and 234.9MB in the end (delta: 90.2MB). Free memory was 80.3MB in the beginning and 159.7MB in the end (delta: -79.4MB). Peak memory consumption was 11.8MB. Max. memory is 16.1GB. * Witness Printer took 3.97ms. Allocated memory is still 234.9MB. Free memory is still 158.7MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (1 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function unknown-#memory_int-unknown[y_ref][y_ref] + -1 * unknown-#memory_int-unknown[z_ref][z_ref] and consists of 6 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 6.8s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 6.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.5s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 1. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 12 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 11 mSDsluCounter, 21 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 10 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 23 IncrementalHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 11 mSDtfsCounter, 23 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital413 mio100 ax104 hnf100 lsp93 ukn53 mio100 lsp36 div100 bol100 ite100 ukn100 eq186 hnf88 smp97 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 29ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-11-20 11:33:53,306 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84c2cf9f-1a12-46a9-bfea-a1b30b049e1d/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE