./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted/SyntaxSupportPointer01-3.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11bb888-d1d2-485f-8b0d-d31aae3a7b3a/bin/uautomizer-UnR33cPsHg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11bb888-d1d2-485f-8b0d-d31aae3a7b3a/bin/uautomizer-UnR33cPsHg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11bb888-d1d2-485f-8b0d-d31aae3a7b3a/bin/uautomizer-UnR33cPsHg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11bb888-d1d2-485f-8b0d-d31aae3a7b3a/bin/uautomizer-UnR33cPsHg/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted/SyntaxSupportPointer01-3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11bb888-d1d2-485f-8b0d-d31aae3a7b3a/bin/uautomizer-UnR33cPsHg/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11bb888-d1d2-485f-8b0d-d31aae3a7b3a/bin/uautomizer-UnR33cPsHg --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 32689ae30ae51ecba7c5b43dcb93819b27d0e14fbdff3ab2701407818eca0145 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 09:21:12,623 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 09:21:12,625 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 09:21:12,657 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 09:21:12,657 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 09:21:12,658 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 09:21:12,660 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 09:21:12,663 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 09:21:12,665 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 09:21:12,666 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 09:21:12,667 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 09:21:12,669 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 09:21:12,669 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 09:21:12,671 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 09:21:12,673 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 09:21:12,674 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 09:21:12,675 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 09:21:12,676 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 09:21:12,679 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 09:21:12,682 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 09:21:12,684 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 09:21:12,686 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 09:21:12,687 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 09:21:12,688 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 09:21:12,692 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 09:21:12,693 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 09:21:12,693 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 09:21:12,694 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 09:21:12,695 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 09:21:12,696 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 09:21:12,696 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 09:21:12,698 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 09:21:12,698 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 09:21:12,699 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 09:21:12,700 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 09:21:12,701 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 09:21:12,701 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 09:21:12,702 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 09:21:12,702 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 09:21:12,703 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 09:21:12,704 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 09:21:12,705 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11bb888-d1d2-485f-8b0d-d31aae3a7b3a/bin/uautomizer-UnR33cPsHg/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-10-28 09:21:12,738 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 09:21:12,738 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 09:21:12,739 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 09:21:12,739 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 09:21:12,740 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 09:21:12,740 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 09:21:12,740 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 09:21:12,741 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-28 09:21:12,741 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-28 09:21:12,741 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-28 09:21:12,741 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-28 09:21:12,741 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-28 09:21:12,741 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-28 09:21:12,742 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 09:21:12,742 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 09:21:12,742 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 09:21:12,742 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 09:21:12,742 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-28 09:21:12,743 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-28 09:21:12,743 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-28 09:21:12,743 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 09:21:12,743 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-28 09:21:12,743 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 09:21:12,744 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-28 09:21:12,744 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 09:21:12,744 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 09:21:12,744 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 09:21:12,744 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 09:21:12,745 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 09:21:12,748 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-28 09:21:12,748 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_e11bb888-d1d2-485f-8b0d-d31aae3a7b3a/bin/uautomizer-UnR33cPsHg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11bb888-d1d2-485f-8b0d-d31aae3a7b3a/bin/uautomizer-UnR33cPsHg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 32689ae30ae51ecba7c5b43dcb93819b27d0e14fbdff3ab2701407818eca0145 [2021-10-28 09:21:13,023 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 09:21:13,073 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 09:21:13,077 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 09:21:13,080 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 09:21:13,081 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 09:21:13,082 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11bb888-d1d2-485f-8b0d-d31aae3a7b3a/bin/uautomizer-UnR33cPsHg/../../sv-benchmarks/c/termination-crafted/SyntaxSupportPointer01-3.c [2021-10-28 09:21:13,185 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11bb888-d1d2-485f-8b0d-d31aae3a7b3a/bin/uautomizer-UnR33cPsHg/data/3f49d4e29/72a7722210bc411ebb58cd404756c01e/FLAG871bac889 [2021-10-28 09:21:13,753 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 09:21:13,754 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11bb888-d1d2-485f-8b0d-d31aae3a7b3a/sv-benchmarks/c/termination-crafted/SyntaxSupportPointer01-3.c [2021-10-28 09:21:13,770 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11bb888-d1d2-485f-8b0d-d31aae3a7b3a/bin/uautomizer-UnR33cPsHg/data/3f49d4e29/72a7722210bc411ebb58cd404756c01e/FLAG871bac889 [2021-10-28 09:21:14,102 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11bb888-d1d2-485f-8b0d-d31aae3a7b3a/bin/uautomizer-UnR33cPsHg/data/3f49d4e29/72a7722210bc411ebb58cd404756c01e [2021-10-28 09:21:14,105 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 09:21:14,107 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 09:21:14,121 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 09:21:14,122 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 09:21:14,126 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 09:21:14,127 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:21:14" (1/1) ... [2021-10-28 09:21:14,129 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39e69d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:21:14, skipping insertion in model container [2021-10-28 09:21:14,129 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:21:14" (1/1) ... [2021-10-28 09:21:14,139 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 09:21:14,151 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 09:21:14,347 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:21:14,378 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 09:21:14,391 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:21:14,405 INFO L208 MainTranslator]: Completed translation [2021-10-28 09:21:14,405 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:21:14 WrapperNode [2021-10-28 09:21:14,405 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 09:21:14,407 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 09:21:14,407 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 09:21:14,407 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 09:21:14,417 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:21:14" (1/1) ... [2021-10-28 09:21:14,426 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:21:14" (1/1) ... [2021-10-28 09:21:14,448 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 09:21:14,449 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 09:21:14,450 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 09:21:14,450 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 09:21:14,461 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:21:14" (1/1) ... [2021-10-28 09:21:14,461 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:21:14" (1/1) ... [2021-10-28 09:21:14,463 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:21:14" (1/1) ... [2021-10-28 09:21:14,463 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:21:14" (1/1) ... [2021-10-28 09:21:14,468 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:21:14" (1/1) ... [2021-10-28 09:21:14,472 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:21:14" (1/1) ... [2021-10-28 09:21:14,473 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:21:14" (1/1) ... [2021-10-28 09:21:14,475 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 09:21:14,477 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 09:21:14,478 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 09:21:14,478 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 09:21:14,481 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:21:14" (1/1) ... [2021-10-28 09:21:14,491 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:21:14,506 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11bb888-d1d2-485f-8b0d-d31aae3a7b3a/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:21:14,527 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11bb888-d1d2-485f-8b0d-d31aae3a7b3a/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:21:14,550 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11bb888-d1d2-485f-8b0d-d31aae3a7b3a/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-28 09:21:14,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-28 09:21:14,597 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-28 09:21:14,597 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 09:21:14,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 09:21:14,601 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-28 09:21:14,602 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-28 09:21:14,794 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 09:21:14,794 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-10-28 09:21:14,797 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:21:14 BoogieIcfgContainer [2021-10-28 09:21:14,797 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 09:21:14,798 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-28 09:21:14,799 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-28 09:21:14,803 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-28 09:21:14,804 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 09:21:14,805 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.10 09:21:14" (1/3) ... [2021-10-28 09:21:14,807 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5f66b665 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 09:21:14, skipping insertion in model container [2021-10-28 09:21:14,807 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 09:21:14,807 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:21:14" (2/3) ... [2021-10-28 09:21:14,808 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5f66b665 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 09:21:14, skipping insertion in model container [2021-10-28 09:21:14,808 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 09:21:14,809 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:21:14" (3/3) ... [2021-10-28 09:21:14,810 INFO L389 chiAutomizerObserver]: Analyzing ICFG SyntaxSupportPointer01-3.c [2021-10-28 09:21:14,869 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-28 09:21:14,870 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-28 09:21:14,870 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-28 09:21:14,870 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-28 09:21:14,870 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-28 09:21:14,871 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-28 09:21:14,871 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-28 09:21:14,871 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-28 09:21:14,892 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 8 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 7 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:21:14,924 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-28 09:21:14,924 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:21:14,924 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:21:14,932 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-10-28 09:21:14,932 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-28 09:21:14,933 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-28 09:21:14,933 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 8 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 7 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:21:14,935 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-28 09:21:14,935 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:21:14,935 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:21:14,936 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-10-28 09:21:14,936 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-28 09:21:14,946 INFO L791 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 8#L-1true havoc main_#res;havoc main_#t~malloc0.base, main_#t~malloc0.offset, main_#t~mem2, main_#t~post3, main_#t~mem1, main_~p~0.base, main_~p~0.offset;call main_#t~malloc0.base, main_#t~malloc0.offset := #Ultimate.allocOnHeap(4);main_~p~0.base, main_~p~0.offset := main_#t~malloc0.base, main_#t~malloc0.offset;havoc main_#t~malloc0.base, main_#t~malloc0.offset; 6#L15-3true [2021-10-28 09:21:14,946 INFO L793 eck$LassoCheckResult]: Loop: 6#L15-3true call main_#t~mem1 := read~int(main_~p~0.base, main_~p~0.offset, 4); 7#L15-1true assume !!(main_#t~mem1 >= 0);havoc main_#t~mem1;call main_#t~mem2 := read~int(main_~p~0.base, main_~p~0.offset, 4);main_#t~post3 := main_#t~mem2;call write~int(main_#t~post3 - 1, main_~p~0.base, main_~p~0.offset, 4);havoc main_#t~mem2;havoc main_#t~post3; 6#L15-3true [2021-10-28 09:21:14,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:21:14,956 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2021-10-28 09:21:14,967 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:21:14,968 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [408505204] [2021-10-28 09:21:14,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:21:14,971 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:21:15,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:21:15,125 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:21:15,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:21:15,185 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:21:15,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:21:15,190 INFO L85 PathProgramCache]: Analyzing trace with hash 1190, now seen corresponding path program 1 times [2021-10-28 09:21:15,190 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:21:15,191 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1202394095] [2021-10-28 09:21:15,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:21:15,192 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:21:15,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:21:15,228 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:21:15,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:21:15,259 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:21:15,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:21:15,271 INFO L85 PathProgramCache]: Analyzing trace with hash 925672, now seen corresponding path program 1 times [2021-10-28 09:21:15,272 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:21:15,272 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [20729615] [2021-10-28 09:21:15,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:21:15,273 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:21:15,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:21:15,304 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:21:15,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:21:15,343 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:21:15,699 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 09:21:15,700 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 09:21:15,700 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 09:21:15,700 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 09:21:15,700 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 09:21:15,701 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:21:15,701 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 09:21:15,701 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 09:21:15,701 INFO L133 ssoRankerPreferences]: Filename of dumped script: SyntaxSupportPointer01-3.c_Iteration1_Lasso [2021-10-28 09:21:15,702 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 09:21:15,702 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 09:21:15,736 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:21:15,744 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:21:15,748 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:21:15,751 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:21:15,771 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:21:15,775 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:21:15,792 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:21:15,796 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:21:15,910 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:21:16,181 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 09:21:16,189 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 09:21:16,191 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:21:16,192 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11bb888-d1d2-485f-8b0d-d31aae3a7b3a/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:21:16,194 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11bb888-d1d2-485f-8b0d-d31aae3a7b3a/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:21:16,198 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 [2021-10-28 09:21:16,210 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:21:16,210 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:21:16,211 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:21:16,211 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:21:16,211 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:21:16,215 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:21:16,215 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:21:16,217 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11bb888-d1d2-485f-8b0d-d31aae3a7b3a/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-28 09:21:16,219 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:21:16,271 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11bb888-d1d2-485f-8b0d-d31aae3a7b3a/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-10-28 09:21:16,272 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:21:16,272 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11bb888-d1d2-485f-8b0d-d31aae3a7b3a/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:21:16,278 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11bb888-d1d2-485f-8b0d-d31aae3a7b3a/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:21:16,300 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11bb888-d1d2-485f-8b0d-d31aae3a7b3a/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-28 09:21:16,300 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 [2021-10-28 09:21:16,312 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:21:16,312 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:21:16,312 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:21:16,313 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:21:16,313 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:21:16,315 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:21:16,315 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:21:16,330 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:21:16,373 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11bb888-d1d2-485f-8b0d-d31aae3a7b3a/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-10-28 09:21:16,373 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:21:16,373 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11bb888-d1d2-485f-8b0d-d31aae3a7b3a/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:21:16,376 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11bb888-d1d2-485f-8b0d-d31aae3a7b3a/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:21:16,384 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 [2021-10-28 09:21:16,396 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:21:16,396 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:21:16,396 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:21:16,397 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:21:16,397 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:21:16,399 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:21:16,399 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:21:16,406 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11bb888-d1d2-485f-8b0d-d31aae3a7b3a/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-28 09:21:16,421 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:21:16,462 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11bb888-d1d2-485f-8b0d-d31aae3a7b3a/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-28 09:21:16,463 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:21:16,463 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11bb888-d1d2-485f-8b0d-d31aae3a7b3a/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:21:16,464 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11bb888-d1d2-485f-8b0d-d31aae3a7b3a/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:21:16,477 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 [2021-10-28 09:21:16,488 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11bb888-d1d2-485f-8b0d-d31aae3a7b3a/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-28 09:21:16,489 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:21:16,489 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:21:16,489 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:21:16,489 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:21:16,495 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:21:16,495 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:21:16,507 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:21:16,552 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11bb888-d1d2-485f-8b0d-d31aae3a7b3a/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2021-10-28 09:21:16,553 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:21:16,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11bb888-d1d2-485f-8b0d-d31aae3a7b3a/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:21:16,556 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11bb888-d1d2-485f-8b0d-d31aae3a7b3a/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:21:16,565 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11bb888-d1d2-485f-8b0d-d31aae3a7b3a/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-28 09:21:16,570 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 [2021-10-28 09:21:16,584 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:21:16,584 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:21:16,585 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:21:16,585 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:21:16,585 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:21:16,586 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:21:16,586 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:21:16,597 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:21:16,641 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11bb888-d1d2-485f-8b0d-d31aae3a7b3a/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-10-28 09:21:16,642 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:21:16,642 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11bb888-d1d2-485f-8b0d-d31aae3a7b3a/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:21:16,646 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11bb888-d1d2-485f-8b0d-d31aae3a7b3a/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:21:16,653 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 [2021-10-28 09:21:16,664 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:21:16,665 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:21:16,665 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:21:16,665 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:21:16,665 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:21:16,667 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:21:16,667 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:21:16,671 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11bb888-d1d2-485f-8b0d-d31aae3a7b3a/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-28 09:21:16,685 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:21:16,731 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11bb888-d1d2-485f-8b0d-d31aae3a7b3a/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-28 09:21:16,732 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:21:16,732 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11bb888-d1d2-485f-8b0d-d31aae3a7b3a/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:21:16,735 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11bb888-d1d2-485f-8b0d-d31aae3a7b3a/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:21:16,746 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 [2021-10-28 09:21:16,757 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:21:16,757 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:21:16,757 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:21:16,757 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:21:16,763 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:21:16,764 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:21:16,764 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11bb888-d1d2-485f-8b0d-d31aae3a7b3a/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-28 09:21:16,779 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:21:16,825 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11bb888-d1d2-485f-8b0d-d31aae3a7b3a/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-10-28 09:21:16,825 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:21:16,826 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11bb888-d1d2-485f-8b0d-d31aae3a7b3a/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:21:16,827 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11bb888-d1d2-485f-8b0d-d31aae3a7b3a/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:21:16,830 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 [2021-10-28 09:21:16,832 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11bb888-d1d2-485f-8b0d-d31aae3a7b3a/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-28 09:21:16,842 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:21:16,842 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:21:16,842 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:21:16,842 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:21:16,846 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:21:16,846 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:21:16,858 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:21:16,898 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11bb888-d1d2-485f-8b0d-d31aae3a7b3a/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2021-10-28 09:21:16,898 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:21:16,898 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11bb888-d1d2-485f-8b0d-d31aae3a7b3a/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:21:16,899 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11bb888-d1d2-485f-8b0d-d31aae3a7b3a/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:21:16,902 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 [2021-10-28 09:21:16,902 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11bb888-d1d2-485f-8b0d-d31aae3a7b3a/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-10-28 09:21:16,911 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:21:16,911 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:21:16,911 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:21:16,911 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:21:16,912 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:21:16,913 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:21:16,913 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:21:16,939 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 09:21:16,947 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-10-28 09:21:16,947 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-10-28 09:21:16,948 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:21:16,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11bb888-d1d2-485f-8b0d-d31aae3a7b3a/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:21:16,953 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11bb888-d1d2-485f-8b0d-d31aae3a7b3a/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:21:16,956 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11bb888-d1d2-485f-8b0d-d31aae3a7b3a/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-10-28 09:21:16,956 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 09:21:16,957 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-28 09:21:16,957 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 09:21:16,957 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~p~0.base) ULTIMATE.start_main_~p~0.offset)_1) = 2*v_rep(select (select #memory_int ULTIMATE.start_main_~p~0.base) ULTIMATE.start_main_~p~0.offset)_1 + 1 Supporting invariants [] [2021-10-28 09:21:16,997 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11bb888-d1d2-485f-8b0d-d31aae3a7b3a/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-10-28 09:21:17,003 INFO L297 tatePredicateManager]: 1 out of 1 supporting invariants were superfluous and have been removed [2021-10-28 09:21:17,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:21:17,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:21:17,065 INFO L263 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 09:21:17,066 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:21:17,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:21:17,093 INFO L263 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-28 09:21:17,095 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:21:17,136 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:21:17,156 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-10-28 09:21:17,157 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 8 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 7 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.3333333333333333) 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) [2021-10-28 09:21:17,232 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 8 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 7 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 1.3333333333333333) 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) Result 18 states and 20 transitions. Complement of second has 7 states. [2021-10-28 09:21:17,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-10-28 09:21:17,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.3333333333333333) 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) [2021-10-28 09:21:17,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 12 transitions. [2021-10-28 09:21:17,237 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 2 letters. Loop has 2 letters. [2021-10-28 09:21:17,237 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:21:17,237 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 4 letters. Loop has 2 letters. [2021-10-28 09:21:17,238 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:21:17,238 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 2 letters. Loop has 4 letters. [2021-10-28 09:21:17,238 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:21:17,239 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 20 transitions. [2021-10-28 09:21:17,241 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 09:21:17,244 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 0 states and 0 transitions. [2021-10-28 09:21:17,245 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-28 09:21:17,246 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-28 09:21:17,246 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-28 09:21:17,247 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 09:21:17,247 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 09:21:17,247 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 09:21:17,247 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 09:21:17,247 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-28 09:21:17,247 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-28 09:21:17,247 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 09:21:17,247 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-28 09:21:17,255 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.10 09:21:17 BoogieIcfgContainer [2021-10-28 09:21:17,255 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-28 09:21:17,256 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 09:21:17,256 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 09:21:17,256 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 09:21:17,256 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:21:14" (3/4) ... [2021-10-28 09:21:17,259 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-28 09:21:17,259 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 09:21:17,261 INFO L168 Benchmark]: Toolchain (without parser) took 3153.16 ms. Allocated memory was 90.2 MB in the beginning and 115.3 MB in the end (delta: 25.2 MB). Free memory was 57.2 MB in the beginning and 64.0 MB in the end (delta: -6.8 MB). Peak memory consumption was 15.8 MB. Max. memory is 16.1 GB. [2021-10-28 09:21:17,262 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 90.2 MB. Free memory is still 43.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:21:17,263 INFO L168 Benchmark]: CACSL2BoogieTranslator took 284.71 ms. Allocated memory was 90.2 MB in the beginning and 115.3 MB in the end (delta: 25.2 MB). Free memory was 57.1 MB in the beginning and 92.2 MB in the end (delta: -35.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-28 09:21:17,264 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.73 ms. Allocated memory is still 115.3 MB. Free memory was 92.2 MB in the beginning and 91.0 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:21:17,265 INFO L168 Benchmark]: Boogie Preprocessor took 26.35 ms. Allocated memory is still 115.3 MB. Free memory was 91.0 MB in the beginning and 89.8 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 09:21:17,266 INFO L168 Benchmark]: RCFGBuilder took 320.10 ms. Allocated memory is still 115.3 MB. Free memory was 89.8 MB in the beginning and 81.3 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-28 09:21:17,266 INFO L168 Benchmark]: BuchiAutomizer took 2456.65 ms. Allocated memory is still 115.3 MB. Free memory was 81.3 MB in the beginning and 64.6 MB in the end (delta: 16.7 MB). Peak memory consumption was 16.9 MB. Max. memory is 16.1 GB. [2021-10-28 09:21:17,267 INFO L168 Benchmark]: Witness Printer took 3.73 ms. Allocated memory is still 115.3 MB. Free memory is still 64.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:21:17,272 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 90.2 MB. Free memory is still 43.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 284.71 ms. Allocated memory was 90.2 MB in the beginning and 115.3 MB in the end (delta: 25.2 MB). Free memory was 57.1 MB in the beginning and 92.2 MB in the end (delta: -35.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 41.73 ms. Allocated memory is still 115.3 MB. Free memory was 92.2 MB in the beginning and 91.0 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 26.35 ms. Allocated memory is still 115.3 MB. Free memory was 91.0 MB in the beginning and 89.8 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 320.10 ms. Allocated memory is still 115.3 MB. Free memory was 89.8 MB in the beginning and 81.3 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 2456.65 ms. Allocated memory is still 115.3 MB. Free memory was 81.3 MB in the beginning and 64.6 MB in the end (delta: 16.7 MB). Peak memory consumption was 16.9 MB. Max. memory is 16.1 GB. * Witness Printer took 3.73 ms. Allocated memory is still 115.3 MB. Free memory is still 64.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function 2 * unknown-#memory_int-unknown[p][p] + 1 and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.3s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 4 SDtfs, 4 SDslu, 4 SDs, 0 SdLazy, 9 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital83 mio100 ax100 hnf100 lsp92 ukn55 mio100 lsp37 div100 bol100 ite100 ukn100 eq150 hnf91 smp100 dnf109 smp91 tf100 neg100 sie118 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 44ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-10-28 09:21:17,316 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11bb888-d1d2-485f-8b0d-d31aae3a7b3a/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-10-28 09:21:17,518 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11bb888-d1d2-485f-8b0d-d31aae3a7b3a/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...