./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted/SyntaxSupportPointer01-2.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_5bf8ba6e-0a22-4ffb-b9d9-86a3f92bd3f0/bin/uautomizer-UnR33cPsHg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf8ba6e-0a22-4ffb-b9d9-86a3f92bd3f0/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_5bf8ba6e-0a22-4ffb-b9d9-86a3f92bd3f0/bin/uautomizer-UnR33cPsHg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf8ba6e-0a22-4ffb-b9d9-86a3f92bd3f0/bin/uautomizer-UnR33cPsHg/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted/SyntaxSupportPointer01-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf8ba6e-0a22-4ffb-b9d9-86a3f92bd3f0/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_5bf8ba6e-0a22-4ffb-b9d9-86a3f92bd3f0/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 53351ad8d14b05f9298a51fd20f91cb69ef0c97dbbbbdee54b66394b517fd726 ................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 09:06:11,817 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 09:06:11,821 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 09:06:11,891 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 09:06:11,892 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 09:06:11,897 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 09:06:11,899 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 09:06:11,904 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 09:06:11,907 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 09:06:11,916 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 09:06:11,917 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 09:06:11,919 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 09:06:11,920 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 09:06:11,923 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 09:06:11,925 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 09:06:11,933 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 09:06:11,937 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 09:06:11,938 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 09:06:11,941 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 09:06:11,946 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 09:06:11,951 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 09:06:11,952 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 09:06:11,956 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 09:06:11,957 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 09:06:11,965 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 09:06:11,965 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 09:06:11,966 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 09:06:11,968 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 09:06:11,969 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 09:06:11,970 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 09:06:11,971 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 09:06:11,972 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 09:06:11,974 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 09:06:11,976 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 09:06:11,977 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 09:06:11,978 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 09:06:11,979 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 09:06:11,979 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 09:06:11,979 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 09:06:11,980 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 09:06:11,981 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 09:06:11,982 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf8ba6e-0a22-4ffb-b9d9-86a3f92bd3f0/bin/uautomizer-UnR33cPsHg/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-10-28 09:06:12,042 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 09:06:12,044 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 09:06:12,045 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 09:06:12,045 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 09:06:12,046 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 09:06:12,047 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 09:06:12,047 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 09:06:12,047 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-28 09:06:12,047 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-28 09:06:12,048 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-28 09:06:12,049 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-28 09:06:12,049 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-28 09:06:12,049 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-28 09:06:12,050 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 09:06:12,050 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 09:06:12,050 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 09:06:12,051 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 09:06:12,051 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-28 09:06:12,051 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-28 09:06:12,051 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-28 09:06:12,051 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 09:06:12,052 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-28 09:06:12,052 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 09:06:12,052 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-28 09:06:12,053 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 09:06:12,053 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 09:06:12,055 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 09:06:12,055 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 09:06:12,055 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 09:06:12,057 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-28 09:06:12,057 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_5bf8ba6e-0a22-4ffb-b9d9-86a3f92bd3f0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf8ba6e-0a22-4ffb-b9d9-86a3f92bd3f0/bin/uautomizer-UnR33cPsHg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 53351ad8d14b05f9298a51fd20f91cb69ef0c97dbbbbdee54b66394b517fd726 [2021-10-28 09:06:12,373 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 09:06:12,413 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 09:06:12,416 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 09:06:12,418 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 09:06:12,418 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 09:06:12,420 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf8ba6e-0a22-4ffb-b9d9-86a3f92bd3f0/bin/uautomizer-UnR33cPsHg/../../sv-benchmarks/c/termination-crafted/SyntaxSupportPointer01-2.c [2021-10-28 09:06:12,534 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf8ba6e-0a22-4ffb-b9d9-86a3f92bd3f0/bin/uautomizer-UnR33cPsHg/data/d7f13b718/5b0faf6639fe44388fb0ea846bea2d2e/FLAG5be143d83 [2021-10-28 09:06:12,991 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 09:06:12,992 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf8ba6e-0a22-4ffb-b9d9-86a3f92bd3f0/sv-benchmarks/c/termination-crafted/SyntaxSupportPointer01-2.c [2021-10-28 09:06:12,998 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf8ba6e-0a22-4ffb-b9d9-86a3f92bd3f0/bin/uautomizer-UnR33cPsHg/data/d7f13b718/5b0faf6639fe44388fb0ea846bea2d2e/FLAG5be143d83 [2021-10-28 09:06:13,374 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf8ba6e-0a22-4ffb-b9d9-86a3f92bd3f0/bin/uautomizer-UnR33cPsHg/data/d7f13b718/5b0faf6639fe44388fb0ea846bea2d2e [2021-10-28 09:06:13,381 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 09:06:13,384 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 09:06:13,388 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 09:06:13,388 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 09:06:13,392 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 09:06:13,393 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:06:13" (1/1) ... [2021-10-28 09:06:13,395 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@244a3781 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:06:13, skipping insertion in model container [2021-10-28 09:06:13,396 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:06:13" (1/1) ... [2021-10-28 09:06:13,405 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 09:06:13,420 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 09:06:13,591 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:06:13,609 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 09:06:13,621 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:06:13,635 INFO L208 MainTranslator]: Completed translation [2021-10-28 09:06:13,636 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:06:13 WrapperNode [2021-10-28 09:06:13,636 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 09:06:13,637 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 09:06:13,638 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 09:06:13,638 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 09:06:13,647 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:06:13" (1/1) ... [2021-10-28 09:06:13,654 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:06:13" (1/1) ... [2021-10-28 09:06:13,680 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 09:06:13,681 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 09:06:13,682 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 09:06:13,682 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 09:06:13,691 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:06:13" (1/1) ... [2021-10-28 09:06:13,692 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:06:13" (1/1) ... [2021-10-28 09:06:13,695 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:06:13" (1/1) ... [2021-10-28 09:06:13,695 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:06:13" (1/1) ... [2021-10-28 09:06:13,703 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:06:13" (1/1) ... [2021-10-28 09:06:13,708 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:06:13" (1/1) ... [2021-10-28 09:06:13,710 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:06:13" (1/1) ... [2021-10-28 09:06:13,719 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 09:06:13,720 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 09:06:13,721 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 09:06:13,722 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 09:06:13,723 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:06:13" (1/1) ... [2021-10-28 09:06:13,732 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:06:13,748 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf8ba6e-0a22-4ffb-b9d9-86a3f92bd3f0/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:06:13,768 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf8ba6e-0a22-4ffb-b9d9-86a3f92bd3f0/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:06:13,794 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf8ba6e-0a22-4ffb-b9d9-86a3f92bd3f0/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-28 09:06:13,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-28 09:06:13,832 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-28 09:06:13,832 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 09:06:13,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 09:06:13,835 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-28 09:06:14,070 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 09:06:14,070 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-10-28 09:06:14,072 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:06:14 BoogieIcfgContainer [2021-10-28 09:06:14,072 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 09:06:14,084 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-28 09:06:14,085 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-28 09:06:14,090 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-28 09:06:14,091 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 09:06:14,091 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.10 09:06:13" (1/3) ... [2021-10-28 09:06:14,095 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@16bf901d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 09:06:14, skipping insertion in model container [2021-10-28 09:06:14,096 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 09:06:14,096 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:06:13" (2/3) ... [2021-10-28 09:06:14,096 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@16bf901d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 09:06:14, skipping insertion in model container [2021-10-28 09:06:14,096 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 09:06:14,097 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:06:14" (3/3) ... [2021-10-28 09:06:14,098 INFO L389 chiAutomizerObserver]: Analyzing ICFG SyntaxSupportPointer01-2.c [2021-10-28 09:06:14,147 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-28 09:06:14,147 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-28 09:06:14,147 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-28 09:06:14,147 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-28 09:06:14,147 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-28 09:06:14,147 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-28 09:06:14,148 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-28 09:06:14,148 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-28 09:06:14,163 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 09:06:14,181 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-28 09:06:14,182 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:06:14,182 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:06:14,188 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-10-28 09:06:14,188 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-28 09:06:14,188 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-28 09:06:14,189 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 09:06:14,190 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-28 09:06:14,190 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:06:14,190 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:06:14,190 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-10-28 09:06:14,190 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-28 09:06:14,198 INFO L791 eck$LassoCheckResult]: Stem: 6#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 9#L-1true havoc main_#res;havoc main_#t~malloc0.base, main_#t~malloc0.offset, main_#t~nondet1, main_#t~mem3, main_#t~post4, main_#t~mem2, 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;call write~int(main_#t~nondet1, main_~p~0.base, main_~p~0.offset, 4);havoc main_#t~nondet1; 7#L15-3true [2021-10-28 09:06:14,198 INFO L793 eck$LassoCheckResult]: Loop: 7#L15-3true call main_#t~mem2 := read~int(main_~p~0.base, main_~p~0.offset, 4); 8#L15-1true assume !!(main_#t~mem2 >= 0);havoc main_#t~mem2;call main_#t~mem3 := read~int(main_~p~0.base, main_~p~0.offset, 4);main_#t~post4 := main_#t~mem3;call write~int(main_#t~post4 - 1, main_~p~0.base, main_~p~0.offset, 4);havoc main_#t~mem3;havoc main_#t~post4; 7#L15-3true [2021-10-28 09:06:14,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:06:14,204 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2021-10-28 09:06:14,214 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:06:14,215 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [939192227] [2021-10-28 09:06:14,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:06:14,216 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:06:14,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:06:14,315 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:06:14,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:06:14,349 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:06:14,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:06:14,353 INFO L85 PathProgramCache]: Analyzing trace with hash 1190, now seen corresponding path program 1 times [2021-10-28 09:06:14,353 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:06:14,354 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [617801560] [2021-10-28 09:06:14,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:06:14,355 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:06:14,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:06:14,365 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:06:14,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:06:14,375 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:06:14,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:06:14,378 INFO L85 PathProgramCache]: Analyzing trace with hash 925672, now seen corresponding path program 1 times [2021-10-28 09:06:14,378 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:06:14,378 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1214347316] [2021-10-28 09:06:14,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:06:14,379 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:06:14,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:06:14,396 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:06:14,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:06:14,417 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:06:14,746 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 09:06:14,747 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 09:06:14,747 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 09:06:14,747 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 09:06:14,747 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 09:06:14,747 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:06:14,747 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 09:06:14,747 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 09:06:14,748 INFO L133 ssoRankerPreferences]: Filename of dumped script: SyntaxSupportPointer01-2.c_Iteration1_Lasso [2021-10-28 09:06:14,748 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 09:06:14,748 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 09:06:14,767 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 09:06:14,774 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 09:06:14,776 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 09:06:14,779 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 09:06:14,781 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 09:06:14,784 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 09:06:14,835 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 09:06:14,838 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 09:06:14,841 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 09:06:14,845 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 09:06:15,042 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 09:06:15,047 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 09:06:15,062 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:06:15,062 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf8ba6e-0a22-4ffb-b9d9-86a3f92bd3f0/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:06:15,097 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf8ba6e-0a22-4ffb-b9d9-86a3f92bd3f0/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:06:15,138 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 09:06:15,139 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf8ba6e-0a22-4ffb-b9d9-86a3f92bd3f0/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-28 09:06:15,148 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:06:15,149 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:06:15,149 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:06:15,149 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:06:15,149 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:06:15,152 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:06:15,152 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:06:15,164 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:06:15,194 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf8ba6e-0a22-4ffb-b9d9-86a3f92bd3f0/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-10-28 09:06:15,195 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:06:15,195 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf8ba6e-0a22-4ffb-b9d9-86a3f92bd3f0/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:06:15,196 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf8ba6e-0a22-4ffb-b9d9-86a3f92bd3f0/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:06:15,202 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 09:06:15,204 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf8ba6e-0a22-4ffb-b9d9-86a3f92bd3f0/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-28 09:06:15,212 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:06:15,213 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:06:15,213 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:06:15,213 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:06:15,213 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:06:15,214 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:06:15,214 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:06:15,226 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:06:15,265 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf8ba6e-0a22-4ffb-b9d9-86a3f92bd3f0/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-10-28 09:06:15,265 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:06:15,265 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf8ba6e-0a22-4ffb-b9d9-86a3f92bd3f0/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:06:15,267 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf8ba6e-0a22-4ffb-b9d9-86a3f92bd3f0/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:06:15,277 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 09:06:15,287 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:06:15,288 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:06:15,288 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:06:15,288 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:06:15,288 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:06:15,290 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:06:15,290 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:06:15,295 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf8ba6e-0a22-4ffb-b9d9-86a3f92bd3f0/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-28 09:06:15,304 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:06:15,333 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf8ba6e-0a22-4ffb-b9d9-86a3f92bd3f0/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-28 09:06:15,334 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:06:15,334 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf8ba6e-0a22-4ffb-b9d9-86a3f92bd3f0/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:06:15,335 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf8ba6e-0a22-4ffb-b9d9-86a3f92bd3f0/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:06:15,336 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf8ba6e-0a22-4ffb-b9d9-86a3f92bd3f0/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-28 09:06:15,336 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 09:06:15,350 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:06:15,350 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:06:15,351 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:06:15,351 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:06:15,351 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:06:15,352 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:06:15,352 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:06:15,365 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:06:15,408 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf8ba6e-0a22-4ffb-b9d9-86a3f92bd3f0/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-28 09:06:15,408 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:06:15,409 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf8ba6e-0a22-4ffb-b9d9-86a3f92bd3f0/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:06:15,410 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf8ba6e-0a22-4ffb-b9d9-86a3f92bd3f0/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:06:15,416 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 09:06:15,426 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:06:15,426 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:06:15,427 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:06:15,427 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:06:15,427 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:06:15,429 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:06:15,429 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:06:15,432 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf8ba6e-0a22-4ffb-b9d9-86a3f92bd3f0/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-28 09:06:15,440 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:06:15,465 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf8ba6e-0a22-4ffb-b9d9-86a3f92bd3f0/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-10-28 09:06:15,465 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:06:15,465 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf8ba6e-0a22-4ffb-b9d9-86a3f92bd3f0/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:06:15,467 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf8ba6e-0a22-4ffb-b9d9-86a3f92bd3f0/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:06:15,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf8ba6e-0a22-4ffb-b9d9-86a3f92bd3f0/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-28 09:06:15,472 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:06:15,480 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:06:15,480 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:06:15,480 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:06:15,480 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:06:15,488 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:06:15,488 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:06:15,512 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:06:15,535 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf8ba6e-0a22-4ffb-b9d9-86a3f92bd3f0/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-28 09:06:15,536 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:06:15,536 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf8ba6e-0a22-4ffb-b9d9-86a3f92bd3f0/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:06:15,537 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf8ba6e-0a22-4ffb-b9d9-86a3f92bd3f0/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:06:15,539 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf8ba6e-0a22-4ffb-b9d9-86a3f92bd3f0/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-28 09:06:15,539 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 09:06:15,547 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:06:15,547 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:06:15,547 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:06:15,548 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:06:15,551 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:06:15,552 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:06:15,561 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:06:15,590 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf8ba6e-0a22-4ffb-b9d9-86a3f92bd3f0/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-10-28 09:06:15,590 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:06:15,591 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf8ba6e-0a22-4ffb-b9d9-86a3f92bd3f0/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:06:15,591 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf8ba6e-0a22-4ffb-b9d9-86a3f92bd3f0/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:06:15,611 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf8ba6e-0a22-4ffb-b9d9-86a3f92bd3f0/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-28 09:06:15,612 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:06:15,619 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:06:15,620 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:06:15,620 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:06:15,620 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:06:15,624 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:06:15,624 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:06:15,635 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 09:06:15,673 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2021-10-28 09:06:15,673 INFO L444 ModelExtractionUtils]: 2 out of 7 variables were initially zero. Simplification set additionally 2 variables to zero. [2021-10-28 09:06:15,674 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:06:15,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf8ba6e-0a22-4ffb-b9d9-86a3f92bd3f0/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:06:15,679 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf8ba6e-0a22-4ffb-b9d9-86a3f92bd3f0/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:06:15,681 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf8ba6e-0a22-4ffb-b9d9-86a3f92bd3f0/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-10-28 09:06:15,700 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 09:06:15,709 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-28 09:06:15,710 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 09:06:15,710 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 09:06:15,731 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf8ba6e-0a22-4ffb-b9d9-86a3f92bd3f0/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-10-28 09:06:15,744 INFO L297 tatePredicateManager]: 1 out of 1 supporting invariants were superfluous and have been removed [2021-10-28 09:06:15,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:06:15,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:06:15,783 INFO L263 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 09:06:15,785 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:06:15,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:06:15,802 INFO L263 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-28 09:06:15,803 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:06:15,830 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 09:06:15,845 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 09:06:15,847 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 09:06:15,888 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 09:06:15,888 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 09:06:15,890 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 09:06:15,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 12 transitions. [2021-10-28 09:06:15,891 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 2 letters. Loop has 2 letters. [2021-10-28 09:06:15,891 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:06:15,892 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 4 letters. Loop has 2 letters. [2021-10-28 09:06:15,892 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:06:15,892 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 2 letters. Loop has 4 letters. [2021-10-28 09:06:15,892 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:06:15,893 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 20 transitions. [2021-10-28 09:06:15,894 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 09:06:15,897 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 0 states and 0 transitions. [2021-10-28 09:06:15,898 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-28 09:06:15,898 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-28 09:06:15,899 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-28 09:06:15,899 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 09:06:15,899 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 09:06:15,899 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 09:06:15,899 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 09:06:15,899 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-28 09:06:15,899 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-28 09:06:15,900 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 09:06:15,900 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-28 09:06:15,906 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.10 09:06:15 BoogieIcfgContainer [2021-10-28 09:06:15,906 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-28 09:06:15,907 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 09:06:15,907 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 09:06:15,907 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 09:06:15,907 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:06:14" (3/4) ... [2021-10-28 09:06:15,910 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-28 09:06:15,911 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 09:06:15,912 INFO L168 Benchmark]: Toolchain (without parser) took 2526.98 ms. Allocated memory is still 121.6 MB. Free memory was 87.9 MB in the beginning and 87.2 MB in the end (delta: 721.2 kB). Peak memory consumption was 341.5 kB. Max. memory is 16.1 GB. [2021-10-28 09:06:15,913 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 81.8 MB. Free memory was 52.1 MB in the beginning and 52.1 MB in the end (delta: 21.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:06:15,914 INFO L168 Benchmark]: CACSL2BoogieTranslator took 248.51 ms. Allocated memory is still 121.6 MB. Free memory was 87.6 MB in the beginning and 98.9 MB in the end (delta: -11.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-28 09:06:15,914 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.30 ms. Allocated memory is still 121.6 MB. Free memory was 98.9 MB in the beginning and 97.5 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 09:06:15,915 INFO L168 Benchmark]: Boogie Preprocessor took 37.78 ms. Allocated memory is still 121.6 MB. Free memory was 97.5 MB in the beginning and 96.8 MB in the end (delta: 687.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:06:15,916 INFO L168 Benchmark]: RCFGBuilder took 351.75 ms. Allocated memory is still 121.6 MB. Free memory was 96.8 MB in the beginning and 87.7 MB in the end (delta: 9.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-28 09:06:15,916 INFO L168 Benchmark]: BuchiAutomizer took 1821.54 ms. Allocated memory is still 121.6 MB. Free memory was 87.7 MB in the beginning and 88.0 MB in the end (delta: -315.4 kB). Peak memory consumption was 3.1 MB. Max. memory is 16.1 GB. [2021-10-28 09:06:15,917 INFO L168 Benchmark]: Witness Printer took 4.05 ms. Allocated memory is still 121.6 MB. Free memory was 88.0 MB in the beginning and 87.2 MB in the end (delta: 806.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:06:15,921 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 81.8 MB. Free memory was 52.1 MB in the beginning and 52.1 MB in the end (delta: 21.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 248.51 ms. Allocated memory is still 121.6 MB. Free memory was 87.6 MB in the beginning and 98.9 MB in the end (delta: -11.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 43.30 ms. Allocated memory is still 121.6 MB. Free memory was 98.9 MB in the beginning and 97.5 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 37.78 ms. Allocated memory is still 121.6 MB. Free memory was 97.5 MB in the beginning and 96.8 MB in the end (delta: 687.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 351.75 ms. Allocated memory is still 121.6 MB. Free memory was 96.8 MB in the beginning and 87.7 MB in the end (delta: 9.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 1821.54 ms. Allocated memory is still 121.6 MB. Free memory was 87.7 MB in the beginning and 88.0 MB in the end (delta: -315.4 kB). Peak memory consumption was 3.1 MB. Max. memory is 16.1 GB. * Witness Printer took 4.05 ms. Allocated memory is still 121.6 MB. Free memory was 88.0 MB in the beginning and 87.2 MB in the end (delta: 806.2 kB). 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 1.7s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.5s. 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: 5 SDtfs, 4 SDslu, 6 SDs, 0 SdLazy, 6 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital101 mio100 ax100 hnf100 lsp94 ukn53 mio100 lsp41 div100 bol100 ite100 ukn100 eq119 hnf95 smp87 dnf114 smp87 tf100 neg100 sie123 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 47ms 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 09:06:15,983 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf8ba6e-0a22-4ffb-b9d9-86a3f92bd3f0/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-10-28 09:06:16,186 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bf8ba6e-0a22-4ffb-b9d9-86a3f92bd3f0/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...