./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/Velroyen-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ec4feaa-8b69-4894-a49b-b8f3348e122a/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ec4feaa-8b69-4894-a49b-b8f3348e122a/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_8ec4feaa-8b69-4894-a49b-b8f3348e122a/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ec4feaa-8b69-4894-a49b-b8f3348e122a/bin/uautomizer-ug76WZFUDN/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/Velroyen-alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ec4feaa-8b69-4894-a49b-b8f3348e122a/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_8ec4feaa-8b69-4894-a49b-b8f3348e122a/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 0301294b5b50ee43814efe2bd49b834b2b8f0455334e679e746f10ee76ed616a --- 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 11:18:31,522 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 11:18:31,525 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 11:18:31,550 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 11:18:31,550 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 11:18:31,551 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 11:18:31,553 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 11:18:31,555 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 11:18:31,557 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 11:18:31,558 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 11:18:31,559 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 11:18:31,560 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 11:18:31,561 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 11:18:31,562 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 11:18:31,563 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 11:18:31,565 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 11:18:31,566 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 11:18:31,567 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 11:18:31,568 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 11:18:31,570 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 11:18:31,572 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 11:18:31,577 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 11:18:31,578 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 11:18:31,579 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 11:18:31,583 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 11:18:31,583 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 11:18:31,584 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 11:18:31,585 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 11:18:31,585 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 11:18:31,587 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 11:18:31,587 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 11:18:31,588 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 11:18:31,589 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 11:18:31,590 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 11:18:31,598 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 11:18:31,600 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 11:18:31,601 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 11:18:31,601 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 11:18:31,601 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 11:18:31,605 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 11:18:31,606 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 11:18:31,607 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ec4feaa-8b69-4894-a49b-b8f3348e122a/bin/uautomizer-ug76WZFUDN/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-11-20 11:18:31,650 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 11:18:31,650 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 11:18:31,651 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 11:18:31,651 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 11:18:31,653 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 11:18:31,653 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 11:18:31,653 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 11:18:31,653 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-20 11:18:31,653 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-20 11:18:31,654 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-20 11:18:31,655 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-20 11:18:31,655 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-20 11:18:31,655 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-20 11:18:31,655 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 11:18:31,656 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 11:18:31,656 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 11:18:31,656 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 11:18:31,656 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-20 11:18:31,656 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-20 11:18:31,657 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-20 11:18:31,657 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 11:18:31,657 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-20 11:18:31,657 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 11:18:31,657 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-20 11:18:31,658 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 11:18:31,658 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 11:18:31,658 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 11:18:31,658 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 11:18:31,660 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-20 11:18:31,660 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_8ec4feaa-8b69-4894-a49b-b8f3348e122a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ec4feaa-8b69-4894-a49b-b8f3348e122a/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0301294b5b50ee43814efe2bd49b834b2b8f0455334e679e746f10ee76ed616a [2022-11-20 11:18:31,988 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 11:18:32,017 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 11:18:32,023 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 11:18:32,025 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 11:18:32,026 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 11:18:32,027 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ec4feaa-8b69-4894-a49b-b8f3348e122a/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/termination-memory-alloca/Velroyen-alloca.i [2022-11-20 11:18:35,235 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 11:18:35,504 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 11:18:35,529 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ec4feaa-8b69-4894-a49b-b8f3348e122a/sv-benchmarks/c/termination-memory-alloca/Velroyen-alloca.i [2022-11-20 11:18:35,556 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ec4feaa-8b69-4894-a49b-b8f3348e122a/bin/uautomizer-ug76WZFUDN/data/1afdeec33/40d9f9b9eb0f4e46b2a7b49fcad52585/FLAGd2575374f [2022-11-20 11:18:35,595 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ec4feaa-8b69-4894-a49b-b8f3348e122a/bin/uautomizer-ug76WZFUDN/data/1afdeec33/40d9f9b9eb0f4e46b2a7b49fcad52585 [2022-11-20 11:18:35,601 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 11:18:35,603 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 11:18:35,607 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 11:18:35,607 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 11:18:35,614 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 11:18:35,615 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:18:35" (1/1) ... [2022-11-20 11:18:35,616 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@158c8ef2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:18:35, skipping insertion in model container [2022-11-20 11:18:35,617 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:18:35" (1/1) ... [2022-11-20 11:18:35,626 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 11:18:35,662 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 11:18:36,031 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 11:18:36,045 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 11:18:36,081 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 11:18:36,106 INFO L208 MainTranslator]: Completed translation [2022-11-20 11:18:36,106 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:18:36 WrapperNode [2022-11-20 11:18:36,107 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 11:18:36,108 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 11:18:36,108 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 11:18:36,108 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 11:18:36,125 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:18:36" (1/1) ... [2022-11-20 11:18:36,141 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:18:36" (1/1) ... [2022-11-20 11:18:36,170 INFO L138 Inliner]: procedures = 110, calls = 15, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 44 [2022-11-20 11:18:36,172 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 11:18:36,173 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 11:18:36,173 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 11:18:36,173 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 11:18:36,185 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:18:36" (1/1) ... [2022-11-20 11:18:36,185 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:18:36" (1/1) ... [2022-11-20 11:18:36,206 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:18:36" (1/1) ... [2022-11-20 11:18:36,206 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:18:36" (1/1) ... [2022-11-20 11:18:36,210 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:18:36" (1/1) ... [2022-11-20 11:18:36,214 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:18:36" (1/1) ... [2022-11-20 11:18:36,216 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:18:36" (1/1) ... [2022-11-20 11:18:36,217 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:18:36" (1/1) ... [2022-11-20 11:18:36,224 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 11:18:36,226 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 11:18:36,226 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 11:18:36,227 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 11:18:36,228 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:18:36" (1/1) ... [2022-11-20 11:18:36,236 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:18:36,250 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ec4feaa-8b69-4894-a49b-b8f3348e122a/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:18:36,268 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ec4feaa-8b69-4894-a49b-b8f3348e122a/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:18:36,298 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ec4feaa-8b69-4894-a49b-b8f3348e122a/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-20 11:18:36,330 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 11:18:36,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 11:18:36,330 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 11:18:36,331 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 11:18:36,332 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 11:18:36,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 11:18:36,463 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 11:18:36,465 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 11:18:36,674 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 11:18:36,680 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 11:18:36,681 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-20 11:18:36,683 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:18:36 BoogieIcfgContainer [2022-11-20 11:18:36,683 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 11:18:36,684 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-20 11:18:36,685 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-20 11:18:36,691 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-20 11:18:36,692 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-20 11:18:36,692 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 11:18:35" (1/3) ... [2022-11-20 11:18:36,707 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@64a428cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 11:18:36, skipping insertion in model container [2022-11-20 11:18:36,722 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-20 11:18:36,723 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:18:36" (2/3) ... [2022-11-20 11:18:36,723 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@64a428cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 11:18:36, skipping insertion in model container [2022-11-20 11:18:36,724 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-20 11:18:36,724 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:18:36" (3/3) ... [2022-11-20 11:18:36,725 INFO L332 chiAutomizerObserver]: Analyzing ICFG Velroyen-alloca.i [2022-11-20 11:18:36,791 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-20 11:18:36,792 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-20 11:18:36,792 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-20 11:18:36,792 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-20 11:18:36,792 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-20 11:18:36,793 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-20 11:18:36,793 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-20 11:18:36,793 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-20 11:18:36,799 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.5454545454545454) internal successors, (17), 11 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:18:36,820 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2022-11-20 11:18:36,821 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 11:18:36,821 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 11:18:36,829 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-20 11:18:36,829 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-11-20 11:18:36,829 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-20 11:18:36,830 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.5454545454545454) internal successors, (17), 11 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:18:36,831 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2022-11-20 11:18:36,831 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 11:18:36,832 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 11:18:36,832 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-20 11:18:36,833 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-11-20 11:18:36,842 INFO L748 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 11#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~nondet3#1, main_#t~mem5#1, main_#t~mem6#1, main_#t~short7#1, main_#t~mem8#1, main_#t~mem9#1, main_#t~mem10#1, main_#t~mem4#1, main_~x~0#1.base, main_~x~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call write~int(main_#t~nondet3#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~nondet3#1; 6#L552-3true [2022-11-20 11:18:36,842 INFO L750 eck$LassoCheckResult]: Loop: 6#L552-3true call main_#t~mem4#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 10#L551-1true assume !!(0 != main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~short7#1 := -5 <= main_#t~mem5#1; 12#L552true assume !main_#t~short7#1; 2#L552-2true assume !main_#t~short7#1;havoc main_#t~mem5#1;havoc main_#t~mem6#1;havoc main_#t~short7#1;call write~int(0, main_~x~0#1.base, main_~x~0#1.offset, 4); 6#L552-3true [2022-11-20 11:18:36,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:18:36,850 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2022-11-20 11:18:36,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:18:36,864 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1504086956] [2022-11-20 11:18:36,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:18:36,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:18:37,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:18:37,016 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 11:18:37,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:18:37,053 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 11:18:37,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:18:37,057 INFO L85 PathProgramCache]: Analyzing trace with hash 1144151, now seen corresponding path program 1 times [2022-11-20 11:18:37,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:18:37,058 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1571285693] [2022-11-20 11:18:37,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:18:37,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:18:37,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:18:37,076 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 11:18:37,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:18:37,088 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 11:18:37,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:18:37,090 INFO L85 PathProgramCache]: Analyzing trace with hash 889571353, now seen corresponding path program 1 times [2022-11-20 11:18:37,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:18:37,091 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [453008744] [2022-11-20 11:18:37,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:18:37,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:18:37,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:18:37,121 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 11:18:37,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:18:37,160 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 11:18:37,725 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 11:18:37,725 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 11:18:37,726 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 11:18:37,726 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 11:18:37,726 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-20 11:18:37,726 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:18:37,726 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 11:18:37,726 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 11:18:37,726 INFO L133 ssoRankerPreferences]: Filename of dumped script: Velroyen-alloca.i_Iteration1_Lasso [2022-11-20 11:18:37,727 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 11:18:37,727 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 11:18:37,747 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 11:18:37,759 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 11:18:37,764 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 11:18:37,768 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 11:18:37,772 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 11:18:37,778 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 11:18:37,782 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 11:18:37,786 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 11:18:37,791 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 11:18:37,796 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 11:18:37,801 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 11:18:37,806 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 11:18:38,005 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 11:18:38,008 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 11:18:38,012 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 11:18:38,290 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 11:18:38,295 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-20 11:18:38,297 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:18:38,298 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ec4feaa-8b69-4894-a49b-b8f3348e122a/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:18:38,301 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ec4feaa-8b69-4894-a49b-b8f3348e122a/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:18:38,306 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 11:18:38,319 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:18:38,319 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:18:38,320 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:18:38,320 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:18:38,320 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:18:38,322 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 11:18:38,323 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:18:38,325 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ec4feaa-8b69-4894-a49b-b8f3348e122a/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-20 11:18:38,343 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:18:38,360 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ec4feaa-8b69-4894-a49b-b8f3348e122a/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-11-20 11:18:38,360 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:18:38,361 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ec4feaa-8b69-4894-a49b-b8f3348e122a/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:18:38,363 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ec4feaa-8b69-4894-a49b-b8f3348e122a/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:18:38,367 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ec4feaa-8b69-4894-a49b-b8f3348e122a/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-20 11:18:38,368 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 11:18:38,379 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:18:38,379 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:18:38,379 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:18:38,380 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:18:38,380 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:18:38,382 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 11:18:38,382 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:18:38,402 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:18:38,414 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ec4feaa-8b69-4894-a49b-b8f3348e122a/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-11-20 11:18:38,415 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:18:38,415 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ec4feaa-8b69-4894-a49b-b8f3348e122a/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:18:38,419 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ec4feaa-8b69-4894-a49b-b8f3348e122a/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:18:38,427 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ec4feaa-8b69-4894-a49b-b8f3348e122a/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-20 11:18:38,428 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 11:18:38,440 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:18:38,440 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:18:38,441 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:18:38,441 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:18:38,441 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:18:38,442 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 11:18:38,442 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:18:38,458 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:18:38,467 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ec4feaa-8b69-4894-a49b-b8f3348e122a/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-11-20 11:18:38,467 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:18:38,468 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ec4feaa-8b69-4894-a49b-b8f3348e122a/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:18:38,470 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ec4feaa-8b69-4894-a49b-b8f3348e122a/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:18:38,491 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 11:18:38,498 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ec4feaa-8b69-4894-a49b-b8f3348e122a/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-20 11:18:38,511 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:18:38,511 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:18:38,511 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:18:38,511 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:18:38,511 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:18:38,512 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 11:18:38,513 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:18:38,535 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:18:38,546 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ec4feaa-8b69-4894-a49b-b8f3348e122a/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-11-20 11:18:38,547 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:18:38,547 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ec4feaa-8b69-4894-a49b-b8f3348e122a/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:18:38,549 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ec4feaa-8b69-4894-a49b-b8f3348e122a/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:18:38,557 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 11:18:38,569 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:18:38,570 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:18:38,570 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:18:38,570 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:18:38,575 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 11:18:38,576 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 11:18:38,577 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ec4feaa-8b69-4894-a49b-b8f3348e122a/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-20 11:18:38,588 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:18:38,598 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ec4feaa-8b69-4894-a49b-b8f3348e122a/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-11-20 11:18:38,599 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:18:38,599 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ec4feaa-8b69-4894-a49b-b8f3348e122a/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:18:38,601 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ec4feaa-8b69-4894-a49b-b8f3348e122a/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:18:38,607 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ec4feaa-8b69-4894-a49b-b8f3348e122a/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-20 11:18:38,607 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 11:18:38,620 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:18:38,620 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:18:38,620 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:18:38,620 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:18:38,621 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:18:38,621 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 11:18:38,621 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:18:38,631 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:18:38,642 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ec4feaa-8b69-4894-a49b-b8f3348e122a/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-11-20 11:18:38,643 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:18:38,643 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ec4feaa-8b69-4894-a49b-b8f3348e122a/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:18:38,645 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ec4feaa-8b69-4894-a49b-b8f3348e122a/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:18:38,666 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 11:18:38,679 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:18:38,679 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:18:38,680 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:18:38,680 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:18:38,682 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ec4feaa-8b69-4894-a49b-b8f3348e122a/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-11-20 11:18:38,684 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 11:18:38,684 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 11:18:38,699 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:18:38,708 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ec4feaa-8b69-4894-a49b-b8f3348e122a/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-11-20 11:18:38,708 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:18:38,708 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ec4feaa-8b69-4894-a49b-b8f3348e122a/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:18:38,710 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ec4feaa-8b69-4894-a49b-b8f3348e122a/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:18:38,718 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 11:18:38,731 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:18:38,732 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:18:38,732 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:18:38,732 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:18:38,735 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 11:18:38,735 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 11:18:38,735 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ec4feaa-8b69-4894-a49b-b8f3348e122a/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-11-20 11:18:38,746 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:18:38,755 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ec4feaa-8b69-4894-a49b-b8f3348e122a/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-11-20 11:18:38,756 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:18:38,756 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ec4feaa-8b69-4894-a49b-b8f3348e122a/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:18:38,757 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ec4feaa-8b69-4894-a49b-b8f3348e122a/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:18:38,766 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 11:18:38,778 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:18:38,778 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:18:38,779 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:18:38,779 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:18:38,783 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 11:18:38,783 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 11:18:38,785 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ec4feaa-8b69-4894-a49b-b8f3348e122a/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-11-20 11:18:38,795 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:18:38,802 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ec4feaa-8b69-4894-a49b-b8f3348e122a/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-11-20 11:18:38,803 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:18:38,803 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ec4feaa-8b69-4894-a49b-b8f3348e122a/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:18:38,804 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ec4feaa-8b69-4894-a49b-b8f3348e122a/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:18:38,809 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ec4feaa-8b69-4894-a49b-b8f3348e122a/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-11-20 11:18:38,811 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 11:18:38,823 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:18:38,823 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:18:38,823 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:18:38,824 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:18:38,826 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 11:18:38,827 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 11:18:38,838 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:18:38,847 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ec4feaa-8b69-4894-a49b-b8f3348e122a/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-11-20 11:18:38,847 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:18:38,847 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ec4feaa-8b69-4894-a49b-b8f3348e122a/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:18:38,848 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ec4feaa-8b69-4894-a49b-b8f3348e122a/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:18:38,860 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 11:18:38,873 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:18:38,873 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 11:18:38,873 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:18:38,873 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:18:38,873 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:18:38,874 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 11:18:38,874 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 11:18:38,877 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ec4feaa-8b69-4894-a49b-b8f3348e122a/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-11-20 11:18:38,883 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:18:38,888 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ec4feaa-8b69-4894-a49b-b8f3348e122a/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-11-20 11:18:38,888 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:18:38,888 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ec4feaa-8b69-4894-a49b-b8f3348e122a/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:18:38,889 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ec4feaa-8b69-4894-a49b-b8f3348e122a/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:18:38,898 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 11:18:38,910 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:18:38,911 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:18:38,911 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:18:38,911 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:18:38,912 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ec4feaa-8b69-4894-a49b-b8f3348e122a/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-11-20 11:18:38,915 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 11:18:38,915 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 11:18:38,942 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:18:38,951 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ec4feaa-8b69-4894-a49b-b8f3348e122a/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-11-20 11:18:38,952 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:18:38,952 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ec4feaa-8b69-4894-a49b-b8f3348e122a/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:18:38,953 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ec4feaa-8b69-4894-a49b-b8f3348e122a/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:18:38,959 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ec4feaa-8b69-4894-a49b-b8f3348e122a/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-11-20 11:18:38,959 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 11:18:38,972 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:18:38,972 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:18:38,972 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:18:38,972 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:18:38,975 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 11:18:38,975 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 11:18:38,986 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:18:38,994 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ec4feaa-8b69-4894-a49b-b8f3348e122a/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-11-20 11:18:38,995 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:18:38,995 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ec4feaa-8b69-4894-a49b-b8f3348e122a/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:18:38,996 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ec4feaa-8b69-4894-a49b-b8f3348e122a/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:18:39,001 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ec4feaa-8b69-4894-a49b-b8f3348e122a/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-11-20 11:18:39,002 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 11:18:39,014 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:18:39,015 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:18:39,015 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:18:39,015 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:18:39,023 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 11:18:39,023 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 11:18:39,038 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 11:18:39,046 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ec4feaa-8b69-4894-a49b-b8f3348e122a/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-11-20 11:18:39,047 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:18:39,047 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ec4feaa-8b69-4894-a49b-b8f3348e122a/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:18:39,048 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ec4feaa-8b69-4894-a49b-b8f3348e122a/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:18:39,060 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 11:18:39,072 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 11:18:39,073 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 11:18:39,073 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 11:18:39,073 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 11:18:39,075 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ec4feaa-8b69-4894-a49b-b8f3348e122a/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-11-20 11:18:39,076 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 11:18:39,077 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 11:18:39,089 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-20 11:18:39,101 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2022-11-20 11:18:39,102 INFO L444 ModelExtractionUtils]: 2 out of 7 variables were initially zero. Simplification set additionally 3 variables to zero. [2022-11-20 11:18:39,104 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 11:18:39,104 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ec4feaa-8b69-4894-a49b-b8f3348e122a/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:18:39,130 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ec4feaa-8b69-4894-a49b-b8f3348e122a/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 11:18:39,180 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-20 11:18:39,192 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ec4feaa-8b69-4894-a49b-b8f3348e122a/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-11-20 11:18:39,194 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-20 11:18:39,194 INFO L513 LassoAnalysis]: Proved termination. [2022-11-20 11:18:39,195 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~x~0#1.base) ULTIMATE.start_main_~x~0#1.offset)_1) = -1*v_rep(select (select #memory_int ULTIMATE.start_main_~x~0#1.base) ULTIMATE.start_main_~x~0#1.offset)_1 Supporting invariants [] [2022-11-20 11:18:39,200 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ec4feaa-8b69-4894-a49b-b8f3348e122a/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2022-11-20 11:18:39,215 INFO L156 tatePredicateManager]: 3 out of 3 supporting invariants were superfluous and have been removed [2022-11-20 11:18:39,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:18:39,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:18:39,266 INFO L263 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 11:18:39,267 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:18:39,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:18:39,290 INFO L263 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-20 11:18:39,292 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:18:39,419 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 11:18:39,461 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 11:18:39,466 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 12 states, 11 states have (on average 1.5454545454545454) internal successors, (17), 11 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 5 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:18:39,576 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 12 states, 11 states have (on average 1.5454545454545454) internal successors, (17), 11 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 5 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 42 states and 56 transitions. Complement of second has 10 states. [2022-11-20 11:18:39,578 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 11:18:39,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:18:39,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 21 transitions. [2022-11-20 11:18:39,586 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 21 transitions. Stem has 2 letters. Loop has 4 letters. [2022-11-20 11:18:39,587 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 11:18:39,587 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 21 transitions. Stem has 6 letters. Loop has 4 letters. [2022-11-20 11:18:39,588 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 11:18:39,588 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 21 transitions. Stem has 2 letters. Loop has 8 letters. [2022-11-20 11:18:39,589 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 11:18:39,590 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 42 states and 56 transitions. [2022-11-20 11:18:39,595 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2022-11-20 11:18:39,601 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 42 states to 23 states and 35 transitions. [2022-11-20 11:18:39,602 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2022-11-20 11:18:39,603 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2022-11-20 11:18:39,603 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 35 transitions. [2022-11-20 11:18:39,603 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-20 11:18:39,604 INFO L218 hiAutomatonCegarLoop]: Abstraction has 23 states and 35 transitions. [2022-11-20 11:18:39,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states and 35 transitions. [2022-11-20 11:18:39,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 20. [2022-11-20 11:18:39,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 20 states have (on average 1.45) internal successors, (29), 19 states have internal predecessors, (29), 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 11:18:39,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 29 transitions. [2022-11-20 11:18:39,631 INFO L240 hiAutomatonCegarLoop]: Abstraction has 20 states and 29 transitions. [2022-11-20 11:18:39,632 INFO L428 stractBuchiCegarLoop]: Abstraction has 20 states and 29 transitions. [2022-11-20 11:18:39,633 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-20 11:18:39,633 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 29 transitions. [2022-11-20 11:18:39,634 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2022-11-20 11:18:39,635 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 11:18:39,635 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 11:18:39,635 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-11-20 11:18:39,637 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-11-20 11:18:39,637 INFO L748 eck$LassoCheckResult]: Stem: 126#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 127#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~nondet3#1, main_#t~mem5#1, main_#t~mem6#1, main_#t~short7#1, main_#t~mem8#1, main_#t~mem9#1, main_#t~mem10#1, main_#t~mem4#1, main_~x~0#1.base, main_~x~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call write~int(main_#t~nondet3#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~nondet3#1; 130#L552-3 call main_#t~mem4#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 125#L551-1 assume !!(0 != main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~short7#1 := -5 <= main_#t~mem5#1; 134#L552 assume main_#t~short7#1;call main_#t~mem6#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~short7#1 := main_#t~mem6#1 <= 35; 131#L552-2 [2022-11-20 11:18:39,638 INFO L750 eck$LassoCheckResult]: Loop: 131#L552-2 assume !main_#t~short7#1;havoc main_#t~mem5#1;havoc main_#t~mem6#1;havoc main_#t~short7#1;call write~int(0, main_~x~0#1.base, main_~x~0#1.offset, 4); 122#L552-3 call main_#t~mem4#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 123#L551-1 assume !!(0 != main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~short7#1 := -5 <= main_#t~mem5#1; 128#L552 assume !main_#t~short7#1; 131#L552-2 [2022-11-20 11:18:39,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:18:39,642 INFO L85 PathProgramCache]: Analyzing trace with hash 28695847, now seen corresponding path program 1 times [2022-11-20 11:18:39,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:18:39,643 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [509047150] [2022-11-20 11:18:39,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:18:39,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:18:39,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:18:39,683 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 11:18:39,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:18:39,698 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 11:18:39,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:18:39,699 INFO L85 PathProgramCache]: Analyzing trace with hash 1943531, now seen corresponding path program 2 times [2022-11-20 11:18:39,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:18:39,699 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [527659813] [2022-11-20 11:18:39,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:18:39,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:18:39,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:18:39,841 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 11:18:39,841 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:18:39,842 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [527659813] [2022-11-20 11:18:39,842 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [527659813] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:18:39,843 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:18:39,843 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 11:18:39,843 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2078021479] [2022-11-20 11:18:39,844 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:18:39,846 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-20 11:18:39,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:18:39,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 11:18:39,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 11:18:39,850 INFO L87 Difference]: Start difference. First operand 20 states and 29 transitions. cyclomatic complexity: 11 Second operand has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:18:39,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:18:39,892 INFO L93 Difference]: Finished difference Result 25 states and 32 transitions. [2022-11-20 11:18:39,892 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 25 states and 32 transitions. [2022-11-20 11:18:39,896 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2022-11-20 11:18:39,897 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 25 states to 20 states and 27 transitions. [2022-11-20 11:18:39,897 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2022-11-20 11:18:39,898 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2022-11-20 11:18:39,898 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 27 transitions. [2022-11-20 11:18:39,898 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-20 11:18:39,898 INFO L218 hiAutomatonCegarLoop]: Abstraction has 20 states and 27 transitions. [2022-11-20 11:18:39,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 27 transitions. [2022-11-20 11:18:39,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2022-11-20 11:18:39,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 20 states have (on average 1.35) internal successors, (27), 19 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:18:39,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 27 transitions. [2022-11-20 11:18:39,903 INFO L240 hiAutomatonCegarLoop]: Abstraction has 20 states and 27 transitions. [2022-11-20 11:18:39,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 11:18:39,905 INFO L428 stractBuchiCegarLoop]: Abstraction has 20 states and 27 transitions. [2022-11-20 11:18:39,905 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-11-20 11:18:39,905 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 27 transitions. [2022-11-20 11:18:39,906 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2022-11-20 11:18:39,906 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 11:18:39,906 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 11:18:39,906 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-11-20 11:18:39,907 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2022-11-20 11:18:39,907 INFO L748 eck$LassoCheckResult]: Stem: 180#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 181#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~nondet3#1, main_#t~mem5#1, main_#t~mem6#1, main_#t~short7#1, main_#t~mem8#1, main_#t~mem9#1, main_#t~mem10#1, main_#t~mem4#1, main_~x~0#1.base, main_~x~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call write~int(main_#t~nondet3#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~nondet3#1; 184#L552-3 call main_#t~mem4#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 179#L551-1 assume !!(0 != main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~short7#1 := -5 <= main_#t~mem5#1; 182#L552 assume main_#t~short7#1;call main_#t~mem6#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~short7#1 := main_#t~mem6#1 <= 35; 185#L552-2 [2022-11-20 11:18:39,907 INFO L750 eck$LassoCheckResult]: Loop: 185#L552-2 assume main_#t~short7#1;havoc main_#t~mem5#1;havoc main_#t~mem6#1;havoc main_#t~short7#1;call main_#t~mem8#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 186#L553 assume main_#t~mem8#1 < 0;havoc main_#t~mem8#1;call write~int(-5, main_~x~0#1.base, main_~x~0#1.offset, 4); 176#L552-3 call main_#t~mem4#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 177#L551-1 assume !!(0 != main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~short7#1 := -5 <= main_#t~mem5#1; 188#L552 assume !main_#t~short7#1; 185#L552-2 [2022-11-20 11:18:39,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:18:39,908 INFO L85 PathProgramCache]: Analyzing trace with hash 28695847, now seen corresponding path program 2 times [2022-11-20 11:18:39,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:18:39,908 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1496250444] [2022-11-20 11:18:39,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:18:39,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:18:39,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:18:39,921 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 11:18:39,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:18:39,932 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 11:18:39,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:18:39,933 INFO L85 PathProgramCache]: Analyzing trace with hash 48745192, now seen corresponding path program 1 times [2022-11-20 11:18:39,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:18:39,934 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2054325152] [2022-11-20 11:18:39,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:18:39,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:18:39,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:18:40,072 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 11:18:40,072 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:18:40,073 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2054325152] [2022-11-20 11:18:40,073 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2054325152] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:18:40,074 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:18:40,074 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 11:18:40,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [226188239] [2022-11-20 11:18:40,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:18:40,074 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-20 11:18:40,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:18:40,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 11:18:40,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 11:18:40,076 INFO L87 Difference]: Start difference. First operand 20 states and 27 transitions. cyclomatic complexity: 9 Second operand has 4 states, 3 states have (on average 1.6666666666666667) 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 11:18:40,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:18:40,132 INFO L93 Difference]: Finished difference Result 30 states and 38 transitions. [2022-11-20 11:18:40,132 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 30 states and 38 transitions. [2022-11-20 11:18:40,136 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 12 [2022-11-20 11:18:40,138 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 30 states to 28 states and 36 transitions. [2022-11-20 11:18:40,138 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 22 [2022-11-20 11:18:40,139 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 28 [2022-11-20 11:18:40,139 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 36 transitions. [2022-11-20 11:18:40,139 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-20 11:18:40,139 INFO L218 hiAutomatonCegarLoop]: Abstraction has 28 states and 36 transitions. [2022-11-20 11:18:40,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states and 36 transitions. [2022-11-20 11:18:40,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 22. [2022-11-20 11:18:40,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 22 states have (on average 1.2727272727272727) internal successors, (28), 21 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:18:40,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 28 transitions. [2022-11-20 11:18:40,148 INFO L240 hiAutomatonCegarLoop]: Abstraction has 22 states and 28 transitions. [2022-11-20 11:18:40,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 11:18:40,150 INFO L428 stractBuchiCegarLoop]: Abstraction has 22 states and 28 transitions. [2022-11-20 11:18:40,150 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-11-20 11:18:40,150 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 28 transitions. [2022-11-20 11:18:40,151 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 9 [2022-11-20 11:18:40,151 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 11:18:40,151 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 11:18:40,151 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-11-20 11:18:40,151 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2022-11-20 11:18:40,152 INFO L748 eck$LassoCheckResult]: Stem: 232#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 233#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~nondet3#1, main_#t~mem5#1, main_#t~mem6#1, main_#t~short7#1, main_#t~mem8#1, main_#t~mem9#1, main_#t~mem10#1, main_#t~mem4#1, main_~x~0#1.base, main_~x~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call write~int(main_#t~nondet3#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~nondet3#1; 238#L552-3 call main_#t~mem4#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 244#L551-1 assume !!(0 != main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~short7#1 := -5 <= main_#t~mem5#1; 242#L552 assume main_#t~short7#1;call main_#t~mem6#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~short7#1 := main_#t~mem6#1 <= 35; 228#L552-2 [2022-11-20 11:18:40,152 INFO L750 eck$LassoCheckResult]: Loop: 228#L552-2 assume main_#t~short7#1;havoc main_#t~mem5#1;havoc main_#t~mem6#1;havoc main_#t~short7#1;call main_#t~mem8#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 229#L553 assume main_#t~mem8#1 < 0;havoc main_#t~mem8#1;call write~int(-5, main_~x~0#1.base, main_~x~0#1.offset, 4); 234#L552-3 call main_#t~mem4#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 235#L551-1 assume !!(0 != main_#t~mem4#1);havoc main_#t~mem4#1;call main_#t~mem5#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~short7#1 := -5 <= main_#t~mem5#1; 237#L552 assume main_#t~short7#1;call main_#t~mem6#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~short7#1 := main_#t~mem6#1 <= 35; 228#L552-2 [2022-11-20 11:18:40,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:18:40,153 INFO L85 PathProgramCache]: Analyzing trace with hash 28695847, now seen corresponding path program 3 times [2022-11-20 11:18:40,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:18:40,153 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1059340750] [2022-11-20 11:18:40,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:18:40,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:18:40,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:18:40,171 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 11:18:40,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:18:40,194 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 11:18:40,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:18:40,198 INFO L85 PathProgramCache]: Analyzing trace with hash 48745190, now seen corresponding path program 1 times [2022-11-20 11:18:40,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:18:40,198 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [975517922] [2022-11-20 11:18:40,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:18:40,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:18:40,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:18:40,214 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 11:18:40,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:18:40,226 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 11:18:40,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:18:40,228 INFO L85 PathProgramCache]: Analyzing trace with hash 707540352, now seen corresponding path program 1 times [2022-11-20 11:18:40,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:18:40,229 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1710371504] [2022-11-20 11:18:40,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:18:40,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:18:40,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:18:40,258 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 11:18:40,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:18:40,274 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 11:18:40,487 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ec4feaa-8b69-4894-a49b-b8f3348e122a/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2022-11-20 11:18:40,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:18:40,874 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 11:18:40,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:18:40,936 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 11:18:40 BoogieIcfgContainer [2022-11-20 11:18:40,936 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-20 11:18:40,937 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 11:18:40,937 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 11:18:40,937 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 11:18:40,937 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:18:36" (3/4) ... [2022-11-20 11:18:40,952 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-11-20 11:18:41,005 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ec4feaa-8b69-4894-a49b-b8f3348e122a/bin/uautomizer-ug76WZFUDN/witness.graphml [2022-11-20 11:18:41,006 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 11:18:41,007 INFO L158 Benchmark]: Toolchain (without parser) took 5403.52ms. Allocated memory was 146.8MB in the beginning and 188.7MB in the end (delta: 41.9MB). Free memory was 120.2MB in the beginning and 133.0MB in the end (delta: -12.8MB). Peak memory consumption was 28.7MB. Max. memory is 16.1GB. [2022-11-20 11:18:41,007 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 113.2MB. Free memory is still 82.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 11:18:41,007 INFO L158 Benchmark]: CACSL2BoogieTranslator took 500.29ms. Allocated memory is still 146.8MB. Free memory was 120.2MB in the beginning and 105.1MB in the end (delta: 15.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-20 11:18:41,008 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.13ms. Allocated memory is still 146.8MB. Free memory was 104.7MB in the beginning and 103.1MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 11:18:41,009 INFO L158 Benchmark]: Boogie Preprocessor took 51.54ms. Allocated memory is still 146.8MB. Free memory was 103.1MB in the beginning and 101.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 11:18:41,009 INFO L158 Benchmark]: RCFGBuilder took 457.63ms. Allocated memory is still 146.8MB. Free memory was 101.7MB in the beginning and 91.3MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-20 11:18:41,010 INFO L158 Benchmark]: BuchiAutomizer took 4251.67ms. Allocated memory was 146.8MB in the beginning and 188.7MB in the end (delta: 41.9MB). Free memory was 90.9MB in the beginning and 135.1MB in the end (delta: -44.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 11:18:41,010 INFO L158 Benchmark]: Witness Printer took 69.48ms. Allocated memory is still 188.7MB. Free memory was 135.1MB in the beginning and 133.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 11:18:41,013 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 113.2MB. Free memory is still 82.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 500.29ms. Allocated memory is still 146.8MB. Free memory was 120.2MB in the beginning and 105.1MB in the end (delta: 15.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.13ms. Allocated memory is still 146.8MB. Free memory was 104.7MB in the beginning and 103.1MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 51.54ms. Allocated memory is still 146.8MB. Free memory was 103.1MB in the beginning and 101.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 457.63ms. Allocated memory is still 146.8MB. Free memory was 101.7MB in the beginning and 91.3MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 4251.67ms. Allocated memory was 146.8MB in the beginning and 188.7MB in the end (delta: 41.9MB). Free memory was 90.9MB in the beginning and 135.1MB in the end (delta: -44.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 69.48ms. Allocated memory is still 188.7MB. Free memory was 135.1MB in the beginning and 133.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (2 trivial, 1 deterministic, 0 nondeterministic) and one nonterminating remainder module.One deterministic module has affine ranking function -1 * unknown-#memory_int-unknown[x][x] and consists of 6 locations. 2 modules have a trivial ranking function, the largest among these consists of 4 locations. The remainder module has 22 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.1s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 3.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 3. Minimization of det autom 0. Minimization of nondet autom 3. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 9 StatesRemovedByMinimization, 2 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, 21 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 20 mSDsluCounter, 60 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 31 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 74 IncrementalHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 29 mSDtfsCounter, 74 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI2 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital99 mio100 ax118 hnf100 lsp79 ukn77 mio100 lsp41 div100 bol100 ite100 ukn100 eq153 hnf91 smp85 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 41ms 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: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 552]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L549] int* x = __builtin_alloca (sizeof(int)); [L550] *x = __VERIFIER_nondet_int() [L551] EXPR \read(*x) VAL [\read(*x)=-5, __builtin_alloca (sizeof(int))={2:0}, x={2:0}] [L551] COND TRUE *x != 0 [L552] EXPR \read(*x) [L552] -5 <= *x && *x <= 35 [L552] EXPR \read(*x) [L552] -5 <= *x && *x <= 35 VAL [-5 <= *x && *x <= 35=1, \read(*x)=-5, \read(*x)=-5, __builtin_alloca (sizeof(int))={2:0}, x={2:0}] Loop: [L552] COND TRUE -5 <= *x && *x <= 35 [L553] EXPR \read(*x) [L553] COND TRUE *x < 0 [L554] *x = -5 [L551] EXPR \read(*x) [L551] COND TRUE *x != 0 [L552] EXPR \read(*x) [L552] -5 <= *x && *x <= 35 [L552] EXPR \read(*x) [L552] -5 <= *x && *x <= 35 End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 552]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L549] int* x = __builtin_alloca (sizeof(int)); [L550] *x = __VERIFIER_nondet_int() [L551] EXPR \read(*x) VAL [\read(*x)=-5, __builtin_alloca (sizeof(int))={2:0}, x={2:0}] [L551] COND TRUE *x != 0 [L552] EXPR \read(*x) [L552] -5 <= *x && *x <= 35 [L552] EXPR \read(*x) [L552] -5 <= *x && *x <= 35 VAL [-5 <= *x && *x <= 35=1, \read(*x)=-5, \read(*x)=-5, __builtin_alloca (sizeof(int))={2:0}, x={2:0}] Loop: [L552] COND TRUE -5 <= *x && *x <= 35 [L553] EXPR \read(*x) [L553] COND TRUE *x < 0 [L554] *x = -5 [L551] EXPR \read(*x) [L551] COND TRUE *x != 0 [L552] EXPR \read(*x) [L552] -5 <= *x && *x <= 35 [L552] EXPR \read(*x) [L552] -5 <= *x && *x <= 35 End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-11-20 11:18:41,072 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ec4feaa-8b69-4894-a49b-b8f3348e122a/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)