./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted/Benghazi_nondet-2.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe6d1cf-5a42-4f9f-9e32-18ac6761ef0b/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe6d1cf-5a42-4f9f-9e32-18ac6761ef0b/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe6d1cf-5a42-4f9f-9e32-18ac6761ef0b/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe6d1cf-5a42-4f9f-9e32-18ac6761ef0b/bin/uautomizer-uyxdKDjOR8/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted/Benghazi_nondet-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe6d1cf-5a42-4f9f-9e32-18ac6761ef0b/bin/uautomizer-uyxdKDjOR8/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe6d1cf-5a42-4f9f-9e32-18ac6761ef0b/bin/uautomizer-uyxdKDjOR8 --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 2f97933f35fe6dc06fe68cfca662228239a8205559235f014a4e90d641a78f3c --- 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-2329fc7 [2022-12-13 11:52:05,850 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 11:52:05,852 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 11:52:05,866 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 11:52:05,866 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 11:52:05,867 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 11:52:05,868 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 11:52:05,869 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 11:52:05,870 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 11:52:05,870 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 11:52:05,871 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 11:52:05,872 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 11:52:05,872 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 11:52:05,873 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 11:52:05,874 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 11:52:05,875 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 11:52:05,875 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 11:52:05,876 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 11:52:05,877 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 11:52:05,879 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 11:52:05,880 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 11:52:05,881 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 11:52:05,882 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 11:52:05,882 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 11:52:05,885 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 11:52:05,885 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 11:52:05,885 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 11:52:05,886 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 11:52:05,886 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 11:52:05,887 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 11:52:05,887 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 11:52:05,888 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 11:52:05,888 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 11:52:05,889 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 11:52:05,890 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 11:52:05,890 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 11:52:05,891 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 11:52:05,891 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 11:52:05,891 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 11:52:05,892 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 11:52:05,892 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 11:52:05,893 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe6d1cf-5a42-4f9f-9e32-18ac6761ef0b/bin/uautomizer-uyxdKDjOR8/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-12-13 11:52:05,909 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 11:52:05,909 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 11:52:05,910 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 11:52:05,910 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 11:52:05,911 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 11:52:05,911 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 11:52:05,911 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 11:52:05,911 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-12-13 11:52:05,911 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-12-13 11:52:05,911 INFO L138 SettingsManager]: * Use old map elimination=false [2022-12-13 11:52:05,912 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-12-13 11:52:05,912 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-12-13 11:52:05,912 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-12-13 11:52:05,912 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 11:52:05,912 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 11:52:05,912 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 11:52:05,912 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 11:52:05,913 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-12-13 11:52:05,913 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-12-13 11:52:05,913 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-12-13 11:52:05,913 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 11:52:05,913 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-12-13 11:52:05,913 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 11:52:05,914 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-12-13 11:52:05,914 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 11:52:05,914 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 11:52:05,914 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 11:52:05,914 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 11:52:05,915 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-12-13 11:52:05,915 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_dfe6d1cf-5a42-4f9f-9e32-18ac6761ef0b/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe6d1cf-5a42-4f9f-9e32-18ac6761ef0b/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2f97933f35fe6dc06fe68cfca662228239a8205559235f014a4e90d641a78f3c [2022-12-13 11:52:06,078 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 11:52:06,093 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 11:52:06,095 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 11:52:06,096 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 11:52:06,096 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 11:52:06,097 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe6d1cf-5a42-4f9f-9e32-18ac6761ef0b/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/termination-crafted/Benghazi_nondet-2.c [2022-12-13 11:52:08,691 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 11:52:08,817 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 11:52:08,818 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe6d1cf-5a42-4f9f-9e32-18ac6761ef0b/sv-benchmarks/c/termination-crafted/Benghazi_nondet-2.c [2022-12-13 11:52:08,823 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe6d1cf-5a42-4f9f-9e32-18ac6761ef0b/bin/uautomizer-uyxdKDjOR8/data/be6f73cf1/238ff4e990e3437abfcb4e55a8182bea/FLAG44eb6b035 [2022-12-13 11:52:08,834 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe6d1cf-5a42-4f9f-9e32-18ac6761ef0b/bin/uautomizer-uyxdKDjOR8/data/be6f73cf1/238ff4e990e3437abfcb4e55a8182bea [2022-12-13 11:52:08,836 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 11:52:08,837 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 11:52:08,838 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 11:52:08,838 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 11:52:08,841 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 11:52:08,842 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 11:52:08" (1/1) ... [2022-12-13 11:52:08,843 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66054f40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:52:08, skipping insertion in model container [2022-12-13 11:52:08,843 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 11:52:08" (1/1) ... [2022-12-13 11:52:08,851 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 11:52:08,863 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 11:52:08,970 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 11:52:08,974 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 11:52:08,985 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 11:52:08,994 INFO L208 MainTranslator]: Completed translation [2022-12-13 11:52:08,995 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:52:08 WrapperNode [2022-12-13 11:52:08,995 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 11:52:08,996 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 11:52:08,996 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 11:52:08,996 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 11:52:09,001 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:52:08" (1/1) ... [2022-12-13 11:52:09,005 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:52:08" (1/1) ... [2022-12-13 11:52:09,018 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 31 [2022-12-13 11:52:09,018 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 11:52:09,019 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 11:52:09,019 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 11:52:09,019 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 11:52:09,025 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:52:08" (1/1) ... [2022-12-13 11:52:09,026 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:52:08" (1/1) ... [2022-12-13 11:52:09,026 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:52:08" (1/1) ... [2022-12-13 11:52:09,026 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:52:08" (1/1) ... [2022-12-13 11:52:09,028 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:52:08" (1/1) ... [2022-12-13 11:52:09,031 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:52:08" (1/1) ... [2022-12-13 11:52:09,032 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:52:08" (1/1) ... [2022-12-13 11:52:09,032 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:52:08" (1/1) ... [2022-12-13 11:52:09,033 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 11:52:09,034 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 11:52:09,034 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 11:52:09,034 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 11:52:09,035 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:52:08" (1/1) ... [2022-12-13 11:52:09,041 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 11:52:09,049 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe6d1cf-5a42-4f9f-9e32-18ac6761ef0b/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:52:09,059 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe6d1cf-5a42-4f9f-9e32-18ac6761ef0b/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 11:52:09,061 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe6d1cf-5a42-4f9f-9e32-18ac6761ef0b/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-12-13 11:52:09,093 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 11:52:09,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 11:52:09,152 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 11:52:09,154 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 11:52:09,211 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 11:52:09,215 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 11:52:09,215 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-13 11:52:09,217 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 11:52:09 BoogieIcfgContainer [2022-12-13 11:52:09,217 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 11:52:09,218 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-12-13 11:52:09,218 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-12-13 11:52:09,221 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-12-13 11:52:09,221 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 11:52:09,221 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.12 11:52:08" (1/3) ... [2022-12-13 11:52:09,222 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6fdf415e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.12 11:52:09, skipping insertion in model container [2022-12-13 11:52:09,222 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 11:52:09,222 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:52:08" (2/3) ... [2022-12-13 11:52:09,223 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6fdf415e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.12 11:52:09, skipping insertion in model container [2022-12-13 11:52:09,223 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 11:52:09,223 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 11:52:09" (3/3) ... [2022-12-13 11:52:09,224 INFO L332 chiAutomizerObserver]: Analyzing ICFG Benghazi_nondet-2.c [2022-12-13 11:52:09,276 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-12-13 11:52:09,276 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-12-13 11:52:09,276 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-12-13 11:52:09,277 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-12-13 11:52:09,277 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-12-13 11:52:09,277 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-12-13 11:52:09,277 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-12-13 11:52:09,277 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-12-13 11:52:09,281 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 9 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:52:09,300 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2022-12-13 11:52:09,300 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 11:52:09,300 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 11:52:09,306 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-12-13 11:52:09,306 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-12-13 11:52:09,306 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-12-13 11:52:09,307 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 9 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:52:09,308 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2022-12-13 11:52:09,308 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 11:52:09,308 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 11:52:09,308 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-12-13 11:52:09,309 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-12-13 11:52:09,316 INFO L748 eck$LassoCheckResult]: Stem: 6#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true; 8#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet2#1, main_~x~0#1, main_~d1~0#1, main_~d2~0#1, main_~d1old~0#1;havoc main_~x~0#1;havoc main_~d1~0#1;havoc main_~d2~0#1;havoc main_~d1old~0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~d1~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~d2~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 3#L18true assume !!(-1048575 <= main_~x~0#1 && main_~x~0#1 <= 1048575); 9#L19true assume !!(-1048575 <= main_~d1~0#1 && main_~d1~0#1 <= 1048575); 10#L20true assume !!(-1048575 <= main_~d2~0#1 && main_~d2~0#1 <= 1048575); 7#L21-2true [2022-12-13 11:52:09,316 INFO L750 eck$LassoCheckResult]: Loop: 7#L21-2true assume !!(main_~x~0#1 >= 0);main_~x~0#1 := main_~x~0#1 - main_~d1~0#1;main_~d1old~0#1 := main_~d1~0#1;main_~d1~0#1 := 1 + main_~d2~0#1;main_~d2~0#1 := 1 + main_~d1old~0#1; 7#L21-2true [2022-12-13 11:52:09,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:52:09,322 INFO L85 PathProgramCache]: Analyzing trace with hash 28695849, now seen corresponding path program 1 times [2022-12-13 11:52:09,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:52:09,332 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1158697851] [2022-12-13 11:52:09,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:52:09,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:52:09,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 11:52:09,415 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 11:52:09,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 11:52:09,435 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 11:52:09,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:52:09,437 INFO L85 PathProgramCache]: Analyzing trace with hash 57, now seen corresponding path program 1 times [2022-12-13 11:52:09,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:52:09,438 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2049764713] [2022-12-13 11:52:09,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:52:09,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:52:09,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 11:52:09,450 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 11:52:09,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 11:52:09,472 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 11:52:09,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:52:09,474 INFO L85 PathProgramCache]: Analyzing trace with hash 889571345, now seen corresponding path program 1 times [2022-12-13 11:52:09,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:52:09,475 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2041141987] [2022-12-13 11:52:09,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:52:09,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:52:09,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 11:52:09,486 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 11:52:09,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 11:52:09,495 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 11:52:09,581 INFO L210 LassoAnalysis]: Preferences: [2022-12-13 11:52:09,582 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-12-13 11:52:09,582 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-12-13 11:52:09,582 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-12-13 11:52:09,582 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-12-13 11:52:09,582 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 11:52:09,582 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-12-13 11:52:09,582 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-12-13 11:52:09,583 INFO L133 ssoRankerPreferences]: Filename of dumped script: Benghazi_nondet-2.c_Iteration1_Loop [2022-12-13 11:52:09,583 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-12-13 11:52:09,583 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-12-13 11:52:09,601 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 11:52:09,612 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 11:52:09,615 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 11:52:09,687 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-12-13 11:52:09,687 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-12-13 11:52:09,689 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 11:52:09,689 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe6d1cf-5a42-4f9f-9e32-18ac6761ef0b/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:52:09,690 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe6d1cf-5a42-4f9f-9e32-18ac6761ef0b/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 11:52:09,691 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe6d1cf-5a42-4f9f-9e32-18ac6761ef0b/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-12-13 11:52:09,692 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-12-13 11:52:09,692 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 11:52:09,717 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-12-13 11:52:09,718 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: [] [2022-12-13 11:52:09,722 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe6d1cf-5a42-4f9f-9e32-18ac6761ef0b/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-12-13 11:52:09,723 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 11:52:09,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe6d1cf-5a42-4f9f-9e32-18ac6761ef0b/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:52:09,724 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe6d1cf-5a42-4f9f-9e32-18ac6761ef0b/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 11:52:09,725 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe6d1cf-5a42-4f9f-9e32-18ac6761ef0b/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-12-13 11:52:09,726 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-12-13 11:52:09,726 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 11:52:09,744 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-12-13 11:52:09,744 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: [] [2022-12-13 11:52:09,747 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe6d1cf-5a42-4f9f-9e32-18ac6761ef0b/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2022-12-13 11:52:09,747 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 11:52:09,747 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe6d1cf-5a42-4f9f-9e32-18ac6761ef0b/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:52:09,748 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe6d1cf-5a42-4f9f-9e32-18ac6761ef0b/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 11:52:09,749 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe6d1cf-5a42-4f9f-9e32-18ac6761ef0b/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-12-13 11:52:09,750 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-12-13 11:52:09,750 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 11:52:09,766 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe6d1cf-5a42-4f9f-9e32-18ac6761ef0b/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2022-12-13 11:52:09,766 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 11:52:09,766 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe6d1cf-5a42-4f9f-9e32-18ac6761ef0b/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:52:09,767 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe6d1cf-5a42-4f9f-9e32-18ac6761ef0b/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 11:52:09,768 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe6d1cf-5a42-4f9f-9e32-18ac6761ef0b/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-12-13 11:52:09,769 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-12-13 11:52:09,769 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 11:52:13,196 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-12-13 11:52:13,200 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe6d1cf-5a42-4f9f-9e32-18ac6761ef0b/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-12-13 11:52:13,200 INFO L210 LassoAnalysis]: Preferences: [2022-12-13 11:52:13,201 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-12-13 11:52:13,201 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-12-13 11:52:13,201 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-12-13 11:52:13,201 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-12-13 11:52:13,201 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 11:52:13,201 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-12-13 11:52:13,201 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-12-13 11:52:13,201 INFO L133 ssoRankerPreferences]: Filename of dumped script: Benghazi_nondet-2.c_Iteration1_Loop [2022-12-13 11:52:13,201 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-12-13 11:52:13,201 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-12-13 11:52:13,203 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 11:52:13,206 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 11:52:13,208 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 11:52:13,258 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-12-13 11:52:13,262 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-12-13 11:52:13,263 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 11:52:13,263 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe6d1cf-5a42-4f9f-9e32-18ac6761ef0b/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:52:13,264 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe6d1cf-5a42-4f9f-9e32-18ac6761ef0b/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 11:52:13,265 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe6d1cf-5a42-4f9f-9e32-18ac6761ef0b/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-12-13 11:52:13,266 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 11:52:13,276 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 11:52:13,277 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 11:52:13,277 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 11:52:13,277 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 11:52:13,281 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 11:52:13,281 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 11:52:13,286 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 11:52:13,289 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe6d1cf-5a42-4f9f-9e32-18ac6761ef0b/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2022-12-13 11:52:13,289 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 11:52:13,289 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe6d1cf-5a42-4f9f-9e32-18ac6761ef0b/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:52:13,290 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe6d1cf-5a42-4f9f-9e32-18ac6761ef0b/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 11:52:13,291 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe6d1cf-5a42-4f9f-9e32-18ac6761ef0b/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-12-13 11:52:13,292 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 11:52:13,302 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 11:52:13,302 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 11:52:13,302 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 11:52:13,302 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 11:52:13,305 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 11:52:13,305 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 11:52:13,309 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 11:52:13,311 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe6d1cf-5a42-4f9f-9e32-18ac6761ef0b/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2022-12-13 11:52:13,311 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 11:52:13,312 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe6d1cf-5a42-4f9f-9e32-18ac6761ef0b/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:52:13,312 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe6d1cf-5a42-4f9f-9e32-18ac6761ef0b/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 11:52:13,313 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe6d1cf-5a42-4f9f-9e32-18ac6761ef0b/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-12-13 11:52:13,314 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 11:52:13,324 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 11:52:13,325 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 11:52:13,325 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 11:52:13,325 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 11:52:13,325 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 11:52:13,327 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 11:52:13,328 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 11:52:13,331 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 11:52:13,333 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe6d1cf-5a42-4f9f-9e32-18ac6761ef0b/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2022-12-13 11:52:13,334 INFO L490 LassoAnalysis]: Using template '2-nested'. [2022-12-13 11:52:13,334 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 11:52:13,334 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe6d1cf-5a42-4f9f-9e32-18ac6761ef0b/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:52:13,335 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe6d1cf-5a42-4f9f-9e32-18ac6761ef0b/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 11:52:13,336 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe6d1cf-5a42-4f9f-9e32-18ac6761ef0b/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-12-13 11:52:13,337 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 11:52:13,347 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 11:52:13,348 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 11:52:13,348 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 11:52:13,348 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-12-13 11:52:13,352 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2022-12-13 11:52:13,352 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2022-12-13 11:52:13,358 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 11:52:13,361 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe6d1cf-5a42-4f9f-9e32-18ac6761ef0b/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2022-12-13 11:52:13,361 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 11:52:13,361 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe6d1cf-5a42-4f9f-9e32-18ac6761ef0b/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:52:13,362 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe6d1cf-5a42-4f9f-9e32-18ac6761ef0b/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 11:52:13,363 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe6d1cf-5a42-4f9f-9e32-18ac6761ef0b/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-12-13 11:52:13,364 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 11:52:13,374 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 11:52:13,374 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 11:52:13,374 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 11:52:13,375 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-12-13 11:52:13,379 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2022-12-13 11:52:13,379 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2022-12-13 11:52:13,385 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 11:52:13,388 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe6d1cf-5a42-4f9f-9e32-18ac6761ef0b/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2022-12-13 11:52:13,388 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 11:52:13,388 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe6d1cf-5a42-4f9f-9e32-18ac6761ef0b/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:52:13,389 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe6d1cf-5a42-4f9f-9e32-18ac6761ef0b/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 11:52:13,390 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe6d1cf-5a42-4f9f-9e32-18ac6761ef0b/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-12-13 11:52:13,391 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 11:52:13,402 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 11:52:13,402 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 11:52:13,402 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 11:52:13,402 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 11:52:13,403 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-12-13 11:52:13,405 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-12-13 11:52:13,405 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 11:52:13,411 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 11:52:13,414 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe6d1cf-5a42-4f9f-9e32-18ac6761ef0b/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2022-12-13 11:52:13,414 INFO L490 LassoAnalysis]: Using template '3-nested'. [2022-12-13 11:52:13,415 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 11:52:13,415 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe6d1cf-5a42-4f9f-9e32-18ac6761ef0b/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:52:13,416 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe6d1cf-5a42-4f9f-9e32-18ac6761ef0b/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 11:52:13,416 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe6d1cf-5a42-4f9f-9e32-18ac6761ef0b/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-12-13 11:52:13,418 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 11:52:13,428 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 11:52:13,428 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 11:52:13,428 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 11:52:13,428 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-12-13 11:52:13,432 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2022-12-13 11:52:13,433 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2022-12-13 11:52:13,440 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 11:52:13,442 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe6d1cf-5a42-4f9f-9e32-18ac6761ef0b/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2022-12-13 11:52:13,443 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 11:52:13,443 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe6d1cf-5a42-4f9f-9e32-18ac6761ef0b/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:52:13,444 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe6d1cf-5a42-4f9f-9e32-18ac6761ef0b/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 11:52:13,445 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe6d1cf-5a42-4f9f-9e32-18ac6761ef0b/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-12-13 11:52:13,446 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 11:52:13,456 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 11:52:13,456 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 11:52:13,456 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 11:52:13,456 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-12-13 11:52:13,460 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2022-12-13 11:52:13,461 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2022-12-13 11:52:13,469 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 11:52:13,472 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe6d1cf-5a42-4f9f-9e32-18ac6761ef0b/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2022-12-13 11:52:13,472 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 11:52:13,472 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe6d1cf-5a42-4f9f-9e32-18ac6761ef0b/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:52:13,473 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe6d1cf-5a42-4f9f-9e32-18ac6761ef0b/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 11:52:13,474 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe6d1cf-5a42-4f9f-9e32-18ac6761ef0b/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-12-13 11:52:13,475 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 11:52:13,486 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 11:52:13,486 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 11:52:13,486 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 11:52:13,487 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 11:52:13,487 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-12-13 11:52:13,489 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-12-13 11:52:13,489 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 11:52:13,495 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-12-13 11:52:13,502 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2022-12-13 11:52:13,503 INFO L444 ModelExtractionUtils]: 8 out of 16 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-12-13 11:52:13,504 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 11:52:13,504 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe6d1cf-5a42-4f9f-9e32-18ac6761ef0b/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:52:13,533 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe6d1cf-5a42-4f9f-9e32-18ac6761ef0b/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 11:52:13,534 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe6d1cf-5a42-4f9f-9e32-18ac6761ef0b/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-12-13 11:52:13,535 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-12-13 11:52:13,535 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-12-13 11:52:13,535 INFO L513 LassoAnalysis]: Proved termination. [2022-12-13 11:52:13,536 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function 3-nested ranking function: f0 = -1*ULTIMATE.start_main_~d1~0#1 - 1*ULTIMATE.start_main_~d2~0#1 f1 = -1*ULTIMATE.start_main_~d1~0#1 + 2*ULTIMATE.start_main_~x~0#1 + 1 f2 = 1*ULTIMATE.start_main_~x~0#1 + 1 Supporting invariants [] [2022-12-13 11:52:13,538 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe6d1cf-5a42-4f9f-9e32-18ac6761ef0b/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-12-13 11:52:13,543 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-12-13 11:52:13,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:52:13,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:52:13,583 INFO L263 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 11:52:13,583 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 11:52:13,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:52:13,598 WARN L261 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 8 conjunts are in the unsatisfiable core [2022-12-13 11:52:13,599 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 11:52:13,599 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 11:52:13,625 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2022-12-13 11:52:13,627 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 10 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 9 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:52:13,659 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 10 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 9 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 22 states and 27 transitions. Complement of second has 5 states. [2022-12-13 11:52:13,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-12-13 11:52:13,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:52:13,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 19 transitions. [2022-12-13 11:52:13,665 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 5 letters. Loop has 1 letters. [2022-12-13 11:52:13,666 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 11:52:13,666 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 6 letters. Loop has 1 letters. [2022-12-13 11:52:13,666 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 11:52:13,666 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 5 letters. Loop has 2 letters. [2022-12-13 11:52:13,666 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 11:52:13,667 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 22 states and 27 transitions. [2022-12-13 11:52:13,668 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-12-13 11:52:13,670 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 22 states to 0 states and 0 transitions. [2022-12-13 11:52:13,671 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-12-13 11:52:13,671 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-12-13 11:52:13,671 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-12-13 11:52:13,671 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 11:52:13,671 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 11:52:13,671 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 11:52:13,671 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 11:52:13,671 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-12-13 11:52:13,672 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-12-13 11:52:13,672 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-12-13 11:52:13,672 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-12-13 11:52:13,676 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.12 11:52:13 BoogieIcfgContainer [2022-12-13 11:52:13,676 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-12-13 11:52:13,677 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 11:52:13,677 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 11:52:13,677 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 11:52:13,677 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 11:52:09" (3/4) ... [2022-12-13 11:52:13,679 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-13 11:52:13,679 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 11:52:13,680 INFO L158 Benchmark]: Toolchain (without parser) took 4842.45ms. Allocated memory was 119.5MB in the beginning and 226.5MB in the end (delta: 107.0MB). Free memory was 83.7MB in the beginning and 139.9MB in the end (delta: -56.2MB). Peak memory consumption was 53.0MB. Max. memory is 16.1GB. [2022-12-13 11:52:13,680 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 119.5MB. Free memory is still 62.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 11:52:13,681 INFO L158 Benchmark]: CACSL2BoogieTranslator took 156.73ms. Allocated memory is still 119.5MB. Free memory was 83.3MB in the beginning and 74.5MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-12-13 11:52:13,681 INFO L158 Benchmark]: Boogie Procedure Inliner took 22.99ms. Allocated memory is still 119.5MB. Free memory was 74.4MB in the beginning and 73.1MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 11:52:13,681 INFO L158 Benchmark]: Boogie Preprocessor took 14.38ms. Allocated memory is still 119.5MB. Free memory was 73.1MB in the beginning and 71.9MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 11:52:13,681 INFO L158 Benchmark]: RCFGBuilder took 182.83ms. Allocated memory is still 119.5MB. Free memory was 71.9MB in the beginning and 63.2MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-12-13 11:52:13,682 INFO L158 Benchmark]: BuchiAutomizer took 4458.78ms. Allocated memory was 119.5MB in the beginning and 226.5MB in the end (delta: 107.0MB). Free memory was 63.2MB in the beginning and 139.9MB in the end (delta: -76.7MB). Peak memory consumption was 32.0MB. Max. memory is 16.1GB. [2022-12-13 11:52:13,682 INFO L158 Benchmark]: Witness Printer took 2.55ms. Allocated memory is still 226.5MB. Free memory is still 139.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 11:52:13,684 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 119.5MB. Free memory is still 62.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 156.73ms. Allocated memory is still 119.5MB. Free memory was 83.3MB in the beginning and 74.5MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 22.99ms. Allocated memory is still 119.5MB. Free memory was 74.4MB in the beginning and 73.1MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 14.38ms. Allocated memory is still 119.5MB. Free memory was 73.1MB in the beginning and 71.9MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 182.83ms. Allocated memory is still 119.5MB. Free memory was 71.9MB in the beginning and 63.2MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 4458.78ms. Allocated memory was 119.5MB in the beginning and 226.5MB in the end (delta: 107.0MB). Free memory was 63.2MB in the beginning and 139.9MB in the end (delta: -76.7MB). Peak memory consumption was 32.0MB. Max. memory is 16.1GB. * Witness Printer took 2.55ms. Allocated memory is still 226.5MB. Free memory is still 139.9MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has 3-nested ranking function (if -1 * d2 + -1 * d1 > 0 then 2 else (if 2 * x + -1 * d1 + 1 > 0 then 1 else 0)), (if -1 * d2 + -1 * d1 > 0 then -1 * d2 + -1 * d1 else (if 2 * x + -1 * d1 + 1 > 0 then 2 * x + -1 * d1 + 1 else x + 1)) and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.4s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 4.2s. 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 -1 states and ocurred in iteration -1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 14 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 13 mSDsluCounter, 16 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 13 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital23 mio100 ax152 hnf100 lsp65 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq195 hnf91 smp100 dnf100 smp100 tf104 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 25ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 4 MotzkinApplications: 12 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 3.4s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-12-13 11:52:13,692 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe6d1cf-5a42-4f9f-9e32-18ac6761ef0b/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2022-12-13 11:52:13,905 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfe6d1cf-5a42-4f9f-9e32-18ac6761ef0b/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE