./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted/Madrid.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d5d4db7-81d3-4076-a3cb-8934c60c5239/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d5d4db7-81d3-4076-a3cb-8934c60c5239/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d5d4db7-81d3-4076-a3cb-8934c60c5239/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d5d4db7-81d3-4076-a3cb-8934c60c5239/bin/uautomizer-Dbtcem3rbc/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted/Madrid.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d5d4db7-81d3-4076-a3cb-8934c60c5239/bin/uautomizer-Dbtcem3rbc/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d5d4db7-81d3-4076-a3cb-8934c60c5239/bin/uautomizer-Dbtcem3rbc --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 a1bd7f3201612d4dbbad9fa4198a254c8b8a340584a64011f322e9281c45b868 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-02 20:28:52,973 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 20:28:52,975 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 20:28:53,004 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 20:28:53,004 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 20:28:53,005 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 20:28:53,012 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 20:28:53,014 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 20:28:53,020 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 20:28:53,021 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 20:28:53,023 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 20:28:53,025 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 20:28:53,026 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 20:28:53,030 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 20:28:53,031 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 20:28:53,035 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 20:28:53,036 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 20:28:53,037 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 20:28:53,041 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 20:28:53,043 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 20:28:53,050 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 20:28:53,051 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 20:28:53,052 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 20:28:53,059 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 20:28:53,063 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 20:28:53,063 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 20:28:53,067 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 20:28:53,069 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 20:28:53,069 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 20:28:53,070 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 20:28:53,071 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 20:28:53,071 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 20:28:53,074 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 20:28:53,075 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 20:28:53,077 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 20:28:53,077 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 20:28:53,079 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 20:28:53,080 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 20:28:53,080 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 20:28:53,081 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 20:28:53,082 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 20:28:53,083 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d5d4db7-81d3-4076-a3cb-8934c60c5239/bin/uautomizer-Dbtcem3rbc/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-11-02 20:28:53,127 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 20:28:53,127 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 20:28:53,128 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 20:28:53,128 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 20:28:53,130 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 20:28:53,130 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 20:28:53,130 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 20:28:53,131 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-02 20:28:53,131 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-02 20:28:53,131 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-02 20:28:53,132 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-02 20:28:53,132 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-02 20:28:53,133 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-02 20:28:53,133 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 20:28:53,133 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-02 20:28:53,133 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 20:28:53,134 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 20:28:53,134 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-02 20:28:53,134 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-02 20:28:53,134 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-02 20:28:53,134 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 20:28:53,135 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-02 20:28:53,135 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 20:28:53,135 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-02 20:28:53,135 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 20:28:53,136 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 20:28:53,136 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 20:28:53,136 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 20:28:53,137 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-02 20:28:53,137 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_2d5d4db7-81d3-4076-a3cb-8934c60c5239/bin/uautomizer-Dbtcem3rbc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d5d4db7-81d3-4076-a3cb-8934c60c5239/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a1bd7f3201612d4dbbad9fa4198a254c8b8a340584a64011f322e9281c45b868 [2022-11-02 20:28:53,481 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 20:28:53,521 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 20:28:53,525 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 20:28:53,526 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 20:28:53,527 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 20:28:53,529 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d5d4db7-81d3-4076-a3cb-8934c60c5239/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/termination-crafted/Madrid.c [2022-11-02 20:28:53,619 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d5d4db7-81d3-4076-a3cb-8934c60c5239/bin/uautomizer-Dbtcem3rbc/data/9ca4b92de/38aa3417fbaf405aa94cfe118e5ba7cd/FLAG636f4f1b9 [2022-11-02 20:28:54,184 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 20:28:54,187 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d5d4db7-81d3-4076-a3cb-8934c60c5239/sv-benchmarks/c/termination-crafted/Madrid.c [2022-11-02 20:28:54,193 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d5d4db7-81d3-4076-a3cb-8934c60c5239/bin/uautomizer-Dbtcem3rbc/data/9ca4b92de/38aa3417fbaf405aa94cfe118e5ba7cd/FLAG636f4f1b9 [2022-11-02 20:28:54,553 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d5d4db7-81d3-4076-a3cb-8934c60c5239/bin/uautomizer-Dbtcem3rbc/data/9ca4b92de/38aa3417fbaf405aa94cfe118e5ba7cd [2022-11-02 20:28:54,556 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 20:28:54,557 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 20:28:54,559 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 20:28:54,559 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 20:28:54,563 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 20:28:54,564 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:28:54" (1/1) ... [2022-11-02 20:28:54,566 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f53e26a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:28:54, skipping insertion in model container [2022-11-02 20:28:54,566 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:28:54" (1/1) ... [2022-11-02 20:28:54,575 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 20:28:54,586 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 20:28:54,756 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:28:54,775 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 20:28:54,787 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:28:54,801 INFO L208 MainTranslator]: Completed translation [2022-11-02 20:28:54,802 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:28:54 WrapperNode [2022-11-02 20:28:54,802 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 20:28:54,804 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 20:28:54,804 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 20:28:54,804 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 20:28:54,812 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:28:54" (1/1) ... [2022-11-02 20:28:54,820 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:28:54" (1/1) ... [2022-11-02 20:28:54,837 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 11 [2022-11-02 20:28:54,837 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 20:28:54,839 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 20:28:54,839 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 20:28:54,839 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 20:28:54,848 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:28:54" (1/1) ... [2022-11-02 20:28:54,848 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:28:54" (1/1) ... [2022-11-02 20:28:54,849 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:28:54" (1/1) ... [2022-11-02 20:28:54,849 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:28:54" (1/1) ... [2022-11-02 20:28:54,852 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:28:54" (1/1) ... [2022-11-02 20:28:54,856 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:28:54" (1/1) ... [2022-11-02 20:28:54,856 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:28:54" (1/1) ... [2022-11-02 20:28:54,857 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:28:54" (1/1) ... [2022-11-02 20:28:54,858 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 20:28:54,859 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 20:28:54,859 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 20:28:54,859 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 20:28:54,860 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:28:54" (1/1) ... [2022-11-02 20:28:54,867 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:28:54,889 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d5d4db7-81d3-4076-a3cb-8934c60c5239/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:28:54,903 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d5d4db7-81d3-4076-a3cb-8934c60c5239/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:28:54,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d5d4db7-81d3-4076-a3cb-8934c60c5239/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-02 20:28:54,948 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 20:28:54,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 20:28:55,021 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 20:28:55,024 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 20:28:55,083 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 20:28:55,093 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 20:28:55,093 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-02 20:28:55,095 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:28:55 BoogieIcfgContainer [2022-11-02 20:28:55,095 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 20:28:55,102 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-02 20:28:55,103 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-02 20:28:55,108 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-02 20:28:55,108 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-02 20:28:55,109 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 02.11 08:28:54" (1/3) ... [2022-11-02 20:28:55,111 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@34a0b457 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.11 08:28:55, skipping insertion in model container [2022-11-02 20:28:55,111 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-02 20:28:55,112 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:28:54" (2/3) ... [2022-11-02 20:28:55,113 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@34a0b457 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.11 08:28:55, skipping insertion in model container [2022-11-02 20:28:55,114 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-02 20:28:55,114 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:28:55" (3/3) ... [2022-11-02 20:28:55,118 INFO L332 chiAutomizerObserver]: Analyzing ICFG Madrid.c [2022-11-02 20:28:55,196 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-02 20:28:55,196 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-02 20:28:55,196 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-02 20:28:55,196 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-02 20:28:55,196 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-02 20:28:55,196 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-02 20:28:55,197 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-02 20:28:55,197 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-02 20:28:55,201 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 7 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:28:55,223 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2022-11-02 20:28:55,223 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 20:28:55,224 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 20:28:55,229 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-02 20:28:55,229 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-11-02 20:28:55,230 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-02 20:28:55,230 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 7 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:28:55,231 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2022-11-02 20:28:55,231 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 20:28:55,231 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 20:28:55,232 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-02 20:28:55,232 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-11-02 20:28:55,240 INFO L748 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 5#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~x~0#1;havoc main_~x~0#1;main_~x~0#1 := 7; 6#L14-2true [2022-11-02 20:28:55,240 INFO L750 eck$LassoCheckResult]: Loop: 6#L14-2true assume !!(0 != ~unnamed0~0~true);main_~x~0#1 := 2; 6#L14-2true [2022-11-02 20:28:55,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:28:55,250 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2022-11-02 20:28:55,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:28:55,261 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2145428396] [2022-11-02 20:28:55,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:28:55,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:28:55,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:28:55,359 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:28:55,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:28:55,397 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:28:55,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:28:55,408 INFO L85 PathProgramCache]: Analyzing trace with hash 42, now seen corresponding path program 1 times [2022-11-02 20:28:55,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:28:55,409 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1857278817] [2022-11-02 20:28:55,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:28:55,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:28:55,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:28:55,418 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:28:55,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:28:55,424 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:28:55,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:28:55,433 INFO L85 PathProgramCache]: Analyzing trace with hash 29864, now seen corresponding path program 1 times [2022-11-02 20:28:55,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:28:55,434 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1969334394] [2022-11-02 20:28:55,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:28:55,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:28:55,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:28:55,445 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:28:55,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:28:55,453 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:28:55,563 INFO L210 LassoAnalysis]: Preferences: [2022-11-02 20:28:55,571 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-02 20:28:55,571 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-02 20:28:55,571 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-02 20:28:55,571 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-02 20:28:55,571 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:28:55,571 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-02 20:28:55,572 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-02 20:28:55,572 INFO L133 ssoRankerPreferences]: Filename of dumped script: Madrid.c_Iteration1_Lasso [2022-11-02 20:28:55,572 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-02 20:28:55,572 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-02 20:28:55,601 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:28:55,632 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:28:55,637 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:28:55,644 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:28:55,733 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-02 20:28:55,734 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-02 20:28:55,736 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:28:55,736 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d5d4db7-81d3-4076-a3cb-8934c60c5239/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:28:55,742 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d5d4db7-81d3-4076-a3cb-8934c60c5239/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:28:55,748 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-02 20:28:55,748 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-02 20:28:55,773 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d5d4db7-81d3-4076-a3cb-8934c60c5239/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-02 20:28:55,777 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-02 20:28:55,777 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-02 20:28:55,806 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d5d4db7-81d3-4076-a3cb-8934c60c5239/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2022-11-02 20:28:55,806 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:28:55,807 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d5d4db7-81d3-4076-a3cb-8934c60c5239/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:28:55,808 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d5d4db7-81d3-4076-a3cb-8934c60c5239/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:28:55,809 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d5d4db7-81d3-4076-a3cb-8934c60c5239/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-02 20:28:55,810 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-02 20:28:55,814 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-02 20:28:55,855 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-02 20:28:55,855 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-02 20:28:55,882 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d5d4db7-81d3-4076-a3cb-8934c60c5239/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2022-11-02 20:28:55,882 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:28:55,883 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d5d4db7-81d3-4076-a3cb-8934c60c5239/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:28:55,884 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d5d4db7-81d3-4076-a3cb-8934c60c5239/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:28:55,885 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d5d4db7-81d3-4076-a3cb-8934c60c5239/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-02 20:28:55,887 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-02 20:28:55,887 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-02 20:28:55,916 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-02 20:28:55,917 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res#1=0} Honda state: {ULTIMATE.start_main_#res#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-02 20:28:55,946 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d5d4db7-81d3-4076-a3cb-8934c60c5239/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-11-02 20:28:55,946 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:28:55,946 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d5d4db7-81d3-4076-a3cb-8934c60c5239/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:28:55,947 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d5d4db7-81d3-4076-a3cb-8934c60c5239/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:28:55,959 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-02 20:28:55,959 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-02 20:28:55,967 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d5d4db7-81d3-4076-a3cb-8934c60c5239/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-02 20:28:56,043 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d5d4db7-81d3-4076-a3cb-8934c60c5239/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-11-02 20:28:56,043 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:28:56,044 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d5d4db7-81d3-4076-a3cb-8934c60c5239/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:28:56,045 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d5d4db7-81d3-4076-a3cb-8934c60c5239/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:28:56,052 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-02 20:28:56,053 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-02 20:28:56,066 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d5d4db7-81d3-4076-a3cb-8934c60c5239/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-02 20:28:56,097 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-02 20:28:56,097 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~x~0#1=0} Honda state: {ULTIMATE.start_main_~x~0#1=7} Generalized eigenvectors: [{ULTIMATE.start_main_~x~0#1=-7}, {ULTIMATE.start_main_~x~0#1=7}, {ULTIMATE.start_main_~x~0#1=-5}] Lambdas: [0, 0, 0] Nus: [0, 0] [2022-11-02 20:28:56,137 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d5d4db7-81d3-4076-a3cb-8934c60c5239/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-11-02 20:28:56,149 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2022-11-02 20:28:56,151 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2022-11-02 20:28:56,152 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2022-11-02 20:28:56,152 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2022-11-02 20:28:56,153 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2022-11-02 20:28:56,153 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2022-11-02 20:28:56,164 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 02.11 08:28:56 BoogieIcfgContainer [2022-11-02 20:28:56,164 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-02 20:28:56,166 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-02 20:28:56,166 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-02 20:28:56,166 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-02 20:28:56,167 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:28:55" (3/4) ... [2022-11-02 20:28:56,170 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-11-02 20:28:56,220 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d5d4db7-81d3-4076-a3cb-8934c60c5239/bin/uautomizer-Dbtcem3rbc/witness.graphml [2022-11-02 20:28:56,220 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-02 20:28:56,225 INFO L158 Benchmark]: Toolchain (without parser) took 1664.40ms. Allocated memory is still 111.1MB. Free memory was 72.3MB in the beginning and 50.8MB in the end (delta: 21.4MB). Peak memory consumption was 20.5MB. Max. memory is 16.1GB. [2022-11-02 20:28:56,225 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 111.1MB. Free memory is still 88.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:28:56,227 INFO L158 Benchmark]: CACSL2BoogieTranslator took 243.78ms. Allocated memory is still 111.1MB. Free memory was 72.1MB in the beginning and 88.8MB in the end (delta: -16.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-02 20:28:56,228 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.30ms. Allocated memory is still 111.1MB. Free memory was 88.8MB in the beginning and 87.6MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:28:56,229 INFO L158 Benchmark]: Boogie Preprocessor took 19.36ms. Allocated memory is still 111.1MB. Free memory was 87.6MB in the beginning and 86.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 20:28:56,230 INFO L158 Benchmark]: RCFGBuilder took 236.82ms. Allocated memory is still 111.1MB. Free memory was 86.5MB in the beginning and 79.1MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-02 20:28:56,233 INFO L158 Benchmark]: BuchiAutomizer took 1062.15ms. Allocated memory is still 111.1MB. Free memory was 78.8MB in the beginning and 52.3MB in the end (delta: 26.5MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2022-11-02 20:28:56,234 INFO L158 Benchmark]: Witness Printer took 55.03ms. Allocated memory is still 111.1MB. Free memory was 52.3MB in the beginning and 50.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 20:28:56,239 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 111.1MB. Free memory is still 88.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 243.78ms. Allocated memory is still 111.1MB. Free memory was 72.1MB in the beginning and 88.8MB in the end (delta: -16.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.30ms. Allocated memory is still 111.1MB. Free memory was 88.8MB in the beginning and 87.6MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 19.36ms. Allocated memory is still 111.1MB. Free memory was 87.6MB in the beginning and 86.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 236.82ms. Allocated memory is still 111.1MB. Free memory was 86.5MB in the beginning and 79.1MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * BuchiAutomizer took 1062.15ms. Allocated memory is still 111.1MB. Free memory was 78.8MB in the beginning and 52.3MB in the end (delta: 26.5MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Witness Printer took 55.03ms. Allocated memory is still 111.1MB. Free memory was 52.3MB in the beginning and 50.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Trivial decomposition into one nonterminating module. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.9s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 0.9s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. 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 -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital6 mio100 ax333 hnf100 lsp30 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq233 hnf100 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 3 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - GeometricNonTerminationArgumentResult [Line: 14]: Nontermination argument in form of an infinite program execution. [2022-11-02 20:28:56,256 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2022-11-02 20:28:56,256 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2022-11-02 20:28:56,257 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2022-11-02 20:28:56,257 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2022-11-02 20:28:56,258 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2022-11-02 20:28:56,258 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2022-11-02 20:28:56,259 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2022-11-02 20:28:56,260 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2022-11-02 20:28:56,261 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2022-11-02 20:28:56,261 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false [2022-11-02 20:28:56,262 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~true [2022-11-02 20:28:56,262 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~unnamed0~0~false Nontermination argument in form of an infinite execution State at position 0 is {x=0, ~unnamed0~0~true=1, ~unnamed0~0~false=0, \result=0} State at position 1 is {x=7, ~unnamed0~0~true=1, ~unnamed0~0~false=0, \result=0} For i>1, the state at position i is {x=7 + sum_{k=0}^i -7*0^k + 7*0^k + -5*0^k, ~unnamed0~0~true=1 + sum_{k=0}^i 0, ~unnamed0~0~false=0 + sum_{k=0}^i 0, \result=0 + sum_{k=0}^i 0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint 3GEVs Lambdas: [0, 0, 0] Mus: [0, 0] - NonterminatingLassoResult [Line: 14]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L12] int x; [L13] x = 7 Loop: [L14] COND TRUE \read(true) [L15] x = 2 End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-11-02 20:28:56,308 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d5d4db7-81d3-4076-a3cb-8934c60c5239/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)