./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-restricted-15/Ex06.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_66208c78-e082-4758-892a-2da44c930242/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66208c78-e082-4758-892a-2da44c930242/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_66208c78-e082-4758-892a-2da44c930242/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66208c78-e082-4758-892a-2da44c930242/bin/uautomizer-uyxdKDjOR8/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-restricted-15/Ex06.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66208c78-e082-4758-892a-2da44c930242/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_66208c78-e082-4758-892a-2da44c930242/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 7e66e5d0ac00f8e474147a7ee8b0260ea4ced8ccde7952ff642446632cdde4c3 --- 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 18:34:48,796 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 18:34:48,797 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 18:34:48,811 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 18:34:48,811 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 18:34:48,812 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 18:34:48,813 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 18:34:48,814 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 18:34:48,815 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 18:34:48,816 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 18:34:48,816 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 18:34:48,817 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 18:34:48,817 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 18:34:48,818 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 18:34:48,819 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 18:34:48,820 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 18:34:48,820 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 18:34:48,821 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 18:34:48,822 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 18:34:48,824 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 18:34:48,825 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 18:34:48,826 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 18:34:48,827 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 18:34:48,827 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 18:34:48,830 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 18:34:48,830 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 18:34:48,830 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 18:34:48,831 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 18:34:48,831 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 18:34:48,832 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 18:34:48,832 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 18:34:48,833 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 18:34:48,833 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 18:34:48,834 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 18:34:48,835 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 18:34:48,835 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 18:34:48,836 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 18:34:48,836 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 18:34:48,836 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 18:34:48,837 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 18:34:48,837 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 18:34:48,838 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66208c78-e082-4758-892a-2da44c930242/bin/uautomizer-uyxdKDjOR8/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-12-13 18:34:48,855 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 18:34:48,855 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 18:34:48,855 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 18:34:48,855 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 18:34:48,856 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 18:34:48,856 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 18:34:48,857 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 18:34:48,857 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-12-13 18:34:48,857 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-12-13 18:34:48,857 INFO L138 SettingsManager]: * Use old map elimination=false [2022-12-13 18:34:48,857 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-12-13 18:34:48,857 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-12-13 18:34:48,857 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-12-13 18:34:48,858 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 18:34:48,858 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 18:34:48,858 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 18:34:48,858 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 18:34:48,858 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-12-13 18:34:48,858 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-12-13 18:34:48,859 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-12-13 18:34:48,859 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 18:34:48,859 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-12-13 18:34:48,859 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 18:34:48,859 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-12-13 18:34:48,859 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 18:34:48,860 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 18:34:48,860 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 18:34:48,860 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 18:34:48,861 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-12-13 18:34:48,861 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_66208c78-e082-4758-892a-2da44c930242/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66208c78-e082-4758-892a-2da44c930242/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7e66e5d0ac00f8e474147a7ee8b0260ea4ced8ccde7952ff642446632cdde4c3 [2022-12-13 18:34:49,021 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 18:34:49,040 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 18:34:49,042 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 18:34:49,043 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 18:34:49,043 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 18:34:49,044 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66208c78-e082-4758-892a-2da44c930242/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/termination-restricted-15/Ex06.c [2022-12-13 18:34:51,646 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 18:34:51,808 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 18:34:51,809 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66208c78-e082-4758-892a-2da44c930242/sv-benchmarks/c/termination-restricted-15/Ex06.c [2022-12-13 18:34:51,813 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66208c78-e082-4758-892a-2da44c930242/bin/uautomizer-uyxdKDjOR8/data/2d8649ea9/477824200a5947ddb1e63cd9aa2afb05/FLAGadb6c52cf [2022-12-13 18:34:51,823 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66208c78-e082-4758-892a-2da44c930242/bin/uautomizer-uyxdKDjOR8/data/2d8649ea9/477824200a5947ddb1e63cd9aa2afb05 [2022-12-13 18:34:51,826 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 18:34:51,827 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 18:34:51,829 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 18:34:51,829 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 18:34:51,833 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 18:34:51,834 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 06:34:51" (1/1) ... [2022-12-13 18:34:51,835 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25d2a053 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:34:51, skipping insertion in model container [2022-12-13 18:34:51,835 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 06:34:51" (1/1) ... [2022-12-13 18:34:51,841 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 18:34:51,862 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 18:34:51,969 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 18:34:51,973 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 18:34:51,982 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 18:34:51,992 INFO L208 MainTranslator]: Completed translation [2022-12-13 18:34:51,993 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:34:51 WrapperNode [2022-12-13 18:34:51,993 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 18:34:51,994 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 18:34:51,994 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 18:34:51,994 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 18:34:51,999 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:34:51" (1/1) ... [2022-12-13 18:34:52,004 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:34:51" (1/1) ... [2022-12-13 18:34:52,015 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 15 [2022-12-13 18:34:52,015 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 18:34:52,016 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 18:34:52,016 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 18:34:52,016 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 18:34:52,023 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:34:51" (1/1) ... [2022-12-13 18:34:52,023 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:34:51" (1/1) ... [2022-12-13 18:34:52,023 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:34:51" (1/1) ... [2022-12-13 18:34:52,023 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:34:51" (1/1) ... [2022-12-13 18:34:52,025 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:34:51" (1/1) ... [2022-12-13 18:34:52,028 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:34:51" (1/1) ... [2022-12-13 18:34:52,029 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:34:51" (1/1) ... [2022-12-13 18:34:52,029 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:34:51" (1/1) ... [2022-12-13 18:34:52,030 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 18:34:52,031 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 18:34:52,031 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 18:34:52,031 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 18:34:52,032 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:34:51" (1/1) ... [2022-12-13 18:34:52,036 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 18:34:52,044 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66208c78-e082-4758-892a-2da44c930242/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:34:52,054 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66208c78-e082-4758-892a-2da44c930242/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 18:34:52,056 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66208c78-e082-4758-892a-2da44c930242/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-12-13 18:34:52,089 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 18:34:52,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 18:34:52,147 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 18:34:52,149 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 18:34:52,190 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 18:34:52,196 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 18:34:52,196 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-13 18:34:52,197 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 06:34:52 BoogieIcfgContainer [2022-12-13 18:34:52,197 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 18:34:52,198 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-12-13 18:34:52,198 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-12-13 18:34:52,201 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-12-13 18:34:52,201 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 18:34:52,201 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.12 06:34:51" (1/3) ... [2022-12-13 18:34:52,202 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@b8fecff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.12 06:34:52, skipping insertion in model container [2022-12-13 18:34:52,202 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 18:34:52,202 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:34:51" (2/3) ... [2022-12-13 18:34:52,202 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@b8fecff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.12 06:34:52, skipping insertion in model container [2022-12-13 18:34:52,202 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 18:34:52,203 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 06:34:52" (3/3) ... [2022-12-13 18:34:52,203 INFO L332 chiAutomizerObserver]: Analyzing ICFG Ex06.c [2022-12-13 18:34:52,242 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-12-13 18:34:52,242 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-12-13 18:34:52,242 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-12-13 18:34:52,242 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-12-13 18:34:52,242 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-12-13 18:34:52,242 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-12-13 18:34:52,242 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-12-13 18:34:52,242 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-12-13 18:34:52,245 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 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 18:34:52,257 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-12-13 18:34:52,257 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 18:34:52,257 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 18:34:52,260 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-12-13 18:34:52,261 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-12-13 18:34:52,261 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-12-13 18:34:52,261 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 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 18:34:52,261 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-12-13 18:34:52,261 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 18:34:52,262 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 18:34:52,262 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-12-13 18:34:52,262 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-12-13 18:34:52,267 INFO L748 eck$LassoCheckResult]: Stem: 7#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true; 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~i~0#1;havoc main_~i~0#1;main_~i~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1; 3#L13-1true [2022-12-13 18:34:52,267 INFO L750 eck$LassoCheckResult]: Loop: 3#L13-1true assume !!(main_~i~0#1 >= -5 && main_~i~0#1 <= 5); 6#L10true assume !(main_~i~0#1 > 0); 4#L10-2true assume main_~i~0#1 < 0;main_~i~0#1 := 1 + main_~i~0#1; 3#L13-1true [2022-12-13 18:34:52,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:34:52,271 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2022-12-13 18:34:52,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:34:52,277 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [230510158] [2022-12-13 18:34:52,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:34:52,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:34:52,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 18:34:52,327 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 18:34:52,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 18:34:52,339 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 18:34:52,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:34:52,341 INFO L85 PathProgramCache]: Analyzing trace with hash 40878, now seen corresponding path program 1 times [2022-12-13 18:34:52,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:34:52,341 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [532402182] [2022-12-13 18:34:52,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:34:52,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:34:52,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 18:34:52,348 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 18:34:52,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 18:34:52,352 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 18:34:52,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:34:52,353 INFO L85 PathProgramCache]: Analyzing trace with hash 28699820, now seen corresponding path program 1 times [2022-12-13 18:34:52,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:34:52,353 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [10592621] [2022-12-13 18:34:52,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:34:52,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:34:52,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 18:34:52,358 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 18:34:52,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 18:34:52,362 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 18:34:52,420 INFO L210 LassoAnalysis]: Preferences: [2022-12-13 18:34:52,421 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-12-13 18:34:52,421 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-12-13 18:34:52,421 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-12-13 18:34:52,421 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-12-13 18:34:52,421 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 18:34:52,421 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-12-13 18:34:52,421 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-12-13 18:34:52,421 INFO L133 ssoRankerPreferences]: Filename of dumped script: Ex06.c_Iteration1_Loop [2022-12-13 18:34:52,421 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-12-13 18:34:52,422 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-12-13 18:34:52,433 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 18:34:52,442 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 18:34:52,446 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 18:34:52,505 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-12-13 18:34:52,506 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-12-13 18:34:52,507 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 18:34:52,508 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66208c78-e082-4758-892a-2da44c930242/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:34:52,509 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66208c78-e082-4758-892a-2da44c930242/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 18:34:52,517 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66208c78-e082-4758-892a-2da44c930242/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-12-13 18:34:52,518 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-12-13 18:34:52,518 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 18:34:52,549 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-12-13 18:34:52,550 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 18:34:52,556 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66208c78-e082-4758-892a-2da44c930242/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-12-13 18:34:52,557 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 18:34:52,557 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66208c78-e082-4758-892a-2da44c930242/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:34:52,558 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66208c78-e082-4758-892a-2da44c930242/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 18:34:52,559 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66208c78-e082-4758-892a-2da44c930242/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-12-13 18:34:52,560 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-12-13 18:34:52,561 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 18:34:52,584 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-12-13 18:34:52,585 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 18:34:52,588 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66208c78-e082-4758-892a-2da44c930242/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2022-12-13 18:34:52,589 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 18:34:52,589 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66208c78-e082-4758-892a-2da44c930242/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:34:52,590 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66208c78-e082-4758-892a-2da44c930242/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 18:34:52,591 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66208c78-e082-4758-892a-2da44c930242/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-12-13 18:34:52,592 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-12-13 18:34:52,592 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 18:34:52,608 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66208c78-e082-4758-892a-2da44c930242/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2022-12-13 18:34:52,609 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 18:34:52,609 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66208c78-e082-4758-892a-2da44c930242/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:34:52,610 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66208c78-e082-4758-892a-2da44c930242/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 18:34:52,610 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66208c78-e082-4758-892a-2da44c930242/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-12-13 18:34:52,612 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-12-13 18:34:52,612 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 18:34:52,629 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-12-13 18:34:52,632 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66208c78-e082-4758-892a-2da44c930242/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2022-12-13 18:34:52,632 INFO L210 LassoAnalysis]: Preferences: [2022-12-13 18:34:52,632 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-12-13 18:34:52,632 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-12-13 18:34:52,632 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-12-13 18:34:52,632 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-12-13 18:34:52,632 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 18:34:52,632 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-12-13 18:34:52,632 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-12-13 18:34:52,633 INFO L133 ssoRankerPreferences]: Filename of dumped script: Ex06.c_Iteration1_Loop [2022-12-13 18:34:52,633 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-12-13 18:34:52,633 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-12-13 18:34:52,635 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 18:34:52,638 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 18:34:52,641 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 18:34:52,681 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-12-13 18:34:52,686 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-12-13 18:34:52,687 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 18:34:52,687 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66208c78-e082-4758-892a-2da44c930242/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:34:52,688 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66208c78-e082-4758-892a-2da44c930242/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 18:34:52,689 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66208c78-e082-4758-892a-2da44c930242/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-12-13 18:34:52,690 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 18:34:52,701 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 18:34:52,701 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 18:34:52,701 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 18:34:52,701 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 18:34:52,705 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 18:34:52,705 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 18:34:52,710 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 18:34:52,713 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66208c78-e082-4758-892a-2da44c930242/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2022-12-13 18:34:52,713 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 18:34:52,713 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66208c78-e082-4758-892a-2da44c930242/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:34:52,714 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66208c78-e082-4758-892a-2da44c930242/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 18:34:52,715 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66208c78-e082-4758-892a-2da44c930242/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-12-13 18:34:52,716 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 18:34:52,727 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 18:34:52,727 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 18:34:52,727 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 18:34:52,727 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 18:34:52,730 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 18:34:52,730 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 18:34:52,735 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 18:34:52,738 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66208c78-e082-4758-892a-2da44c930242/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2022-12-13 18:34:52,739 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 18:34:52,739 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66208c78-e082-4758-892a-2da44c930242/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:34:52,740 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66208c78-e082-4758-892a-2da44c930242/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 18:34:52,741 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66208c78-e082-4758-892a-2da44c930242/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-12-13 18:34:52,742 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 18:34:52,752 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 18:34:52,753 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 18:34:52,753 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 18:34:52,753 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 18:34:52,753 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 18:34:52,754 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 18:34:52,755 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 18:34:52,758 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-12-13 18:34:52,761 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2022-12-13 18:34:52,761 INFO L444 ModelExtractionUtils]: 1 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-12-13 18:34:52,763 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 18:34:52,763 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66208c78-e082-4758-892a-2da44c930242/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:34:52,795 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66208c78-e082-4758-892a-2da44c930242/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 18:34:52,798 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66208c78-e082-4758-892a-2da44c930242/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-12-13 18:34:52,802 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-12-13 18:34:52,802 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-12-13 18:34:52,802 INFO L513 LassoAnalysis]: Proved termination. [2022-12-13 18:34:52,804 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1) = -1*ULTIMATE.start_main_~i~0#1 Supporting invariants [] [2022-12-13 18:34:52,815 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66208c78-e082-4758-892a-2da44c930242/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2022-12-13 18:34:52,824 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-12-13 18:34:52,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:34:52,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:34:52,930 WARN L261 TraceCheckSpWp]: Trace formula consists of 4 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 18:34:52,933 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 18:34:52,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:34:52,970 WARN L261 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 18:34:52,971 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 18:34:52,991 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 18:34:53,035 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 18:34:53,037 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:34:53,068 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 31 states and 45 transitions. Complement of second has 6 states. [2022-12-13 18:34:53,070 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 18:34:53,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:34:53,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 17 transitions. [2022-12-13 18:34:53,074 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 2 letters. Loop has 3 letters. [2022-12-13 18:34:53,075 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 18:34:53,075 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 5 letters. Loop has 3 letters. [2022-12-13 18:34:53,075 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 18:34:53,075 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 2 letters. Loop has 6 letters. [2022-12-13 18:34:53,075 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 18:34:53,076 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 31 states and 45 transitions. [2022-12-13 18:34:53,077 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2022-12-13 18:34:53,080 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 31 states to 14 states and 21 transitions. [2022-12-13 18:34:53,080 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2022-12-13 18:34:53,081 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2022-12-13 18:34:53,081 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 21 transitions. [2022-12-13 18:34:53,081 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-12-13 18:34:53,081 INFO L218 hiAutomatonCegarLoop]: Abstraction has 14 states and 21 transitions. [2022-12-13 18:34:53,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states and 21 transitions. [2022-12-13 18:34:53,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 13. [2022-12-13 18:34:53,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 12 states have internal predecessors, (19), 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 18:34:53,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 19 transitions. [2022-12-13 18:34:53,098 INFO L240 hiAutomatonCegarLoop]: Abstraction has 13 states and 19 transitions. [2022-12-13 18:34:53,098 INFO L428 stractBuchiCegarLoop]: Abstraction has 13 states and 19 transitions. [2022-12-13 18:34:53,098 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-12-13 18:34:53,098 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 19 transitions. [2022-12-13 18:34:53,099 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2022-12-13 18:34:53,099 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 18:34:53,099 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 18:34:53,099 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-12-13 18:34:53,099 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-12-13 18:34:53,099 INFO L748 eck$LassoCheckResult]: Stem: 87#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 88#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~i~0#1;havoc main_~i~0#1;main_~i~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1; 89#L13-1 assume !!(main_~i~0#1 >= -5 && main_~i~0#1 <= 5); 79#L10 [2022-12-13 18:34:53,099 INFO L750 eck$LassoCheckResult]: Loop: 79#L10 assume !(main_~i~0#1 > 0); 82#L10-2 assume !(main_~i~0#1 < 0); 78#L13-1 assume !!(main_~i~0#1 >= -5 && main_~i~0#1 <= 5); 79#L10 [2022-12-13 18:34:53,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:34:53,100 INFO L85 PathProgramCache]: Analyzing trace with hash 29864, now seen corresponding path program 1 times [2022-12-13 18:34:53,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:34:53,100 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1089683201] [2022-12-13 18:34:53,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:34:53,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:34:53,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 18:34:53,103 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 18:34:53,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 18:34:53,104 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 18:34:53,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:34:53,105 INFO L85 PathProgramCache]: Analyzing trace with hash 45860, now seen corresponding path program 1 times [2022-12-13 18:34:53,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:34:53,105 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1168131739] [2022-12-13 18:34:53,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:34:53,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:34:53,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 18:34:53,109 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 18:34:53,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 18:34:53,111 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 18:34:53,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:34:53,111 INFO L85 PathProgramCache]: Analyzing trace with hash 889694493, now seen corresponding path program 1 times [2022-12-13 18:34:53,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:34:53,111 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1727874638] [2022-12-13 18:34:53,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:34:53,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:34:53,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 18:34:53,114 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 18:34:53,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 18:34:53,116 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 18:34:53,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 18:34:53,146 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 18:34:53,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 18:34:53,161 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.12 06:34:53 BoogieIcfgContainer [2022-12-13 18:34:53,161 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-12-13 18:34:53,161 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 18:34:53,161 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 18:34:53,161 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 18:34:53,161 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 06:34:52" (3/4) ... [2022-12-13 18:34:53,163 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-12-13 18:34:53,181 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66208c78-e082-4758-892a-2da44c930242/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 18:34:53,182 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 18:34:53,182 INFO L158 Benchmark]: Toolchain (without parser) took 1354.83ms. Allocated memory is still 127.9MB. Free memory was 68.0MB in the beginning and 67.7MB in the end (delta: 329.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 18:34:53,182 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 100.7MB. Free memory is still 54.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 18:34:53,182 INFO L158 Benchmark]: CACSL2BoogieTranslator took 164.54ms. Allocated memory is still 127.9MB. Free memory was 67.8MB in the beginning and 92.6MB in the end (delta: -24.9MB). Peak memory consumption was 7.7MB. Max. memory is 16.1GB. [2022-12-13 18:34:53,183 INFO L158 Benchmark]: Boogie Procedure Inliner took 21.82ms. Allocated memory is still 127.9MB. Free memory was 92.6MB in the beginning and 91.5MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 18:34:53,183 INFO L158 Benchmark]: Boogie Preprocessor took 14.25ms. Allocated memory is still 127.9MB. Free memory was 91.5MB in the beginning and 90.5MB in the end (delta: 991.8kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 18:34:53,183 INFO L158 Benchmark]: RCFGBuilder took 166.57ms. Allocated memory is still 127.9MB. Free memory was 90.3MB in the beginning and 82.2MB in the end (delta: 8.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-12-13 18:34:53,184 INFO L158 Benchmark]: BuchiAutomizer took 962.82ms. Allocated memory is still 127.9MB. Free memory was 82.2MB in the beginning and 69.1MB in the end (delta: 13.0MB). Peak memory consumption was 10.7MB. Max. memory is 16.1GB. [2022-12-13 18:34:53,184 INFO L158 Benchmark]: Witness Printer took 20.63ms. Allocated memory is still 127.9MB. Free memory was 69.1MB in the beginning and 67.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 18:34:53,186 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 100.7MB. Free memory is still 54.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 164.54ms. Allocated memory is still 127.9MB. Free memory was 67.8MB in the beginning and 92.6MB in the end (delta: -24.9MB). Peak memory consumption was 7.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 21.82ms. Allocated memory is still 127.9MB. Free memory was 92.6MB in the beginning and 91.5MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 14.25ms. Allocated memory is still 127.9MB. Free memory was 91.5MB in the beginning and 90.5MB in the end (delta: 991.8kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 166.57ms. Allocated memory is still 127.9MB. Free memory was 90.3MB in the beginning and 82.2MB in the end (delta: 8.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 962.82ms. Allocated memory is still 127.9MB. Free memory was 82.2MB in the beginning and 69.1MB in the end (delta: 13.0MB). Peak memory consumption was 10.7MB. Max. memory is 16.1GB. * Witness Printer took 20.63ms. Allocated memory is still 127.9MB. Free memory was 69.1MB in the beginning and 67.7MB in the end (delta: 1.4MB). 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) and one nonterminating remainder module.One deterministic module has affine ranking function -1 * i and consists of 4 locations. The remainder module has 13 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.9s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.6s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 0. Minimization of nondet autom 1. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 9 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8 mSDsluCounter, 8 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 12 IncrementalHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 5 mSDtfsCounter, 12 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital15 mio100 ax179 hnf100 lsp55 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq139 hnf95 smp100 dnf100 smp100 tf110 neg100 sie109 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 23ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 10]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L6] int i; [L7] i = __VERIFIER_nondet_int() [L9] COND TRUE i >= -5 && i <= 5 VAL [i=0] Loop: [L10] COND FALSE !(i > 0) [L13] COND FALSE !(i < 0) [L9] COND TRUE i >= -5 && i <= 5 End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 10]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L6] int i; [L7] i = __VERIFIER_nondet_int() [L9] COND TRUE i >= -5 && i <= 5 VAL [i=0] Loop: [L10] COND FALSE !(i > 0) [L13] COND FALSE !(i < 0) [L9] COND TRUE i >= -5 && i <= 5 End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-12-13 18:34:53,195 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66208c78-e082-4758-892a-2da44c930242/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2022-12-13 18:34:53,403 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66208c78-e082-4758-892a-2da44c930242/bin/uautomizer-uyxdKDjOR8/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)