./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-restricted-15/ComplInterv2.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc07c221-6d0a-4463-b55d-0188efb09040/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc07c221-6d0a-4463-b55d-0188efb09040/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc07c221-6d0a-4463-b55d-0188efb09040/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc07c221-6d0a-4463-b55d-0188efb09040/bin/uautomizer-TMbwUNV5ro/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-restricted-15/ComplInterv2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc07c221-6d0a-4463-b55d-0188efb09040/bin/uautomizer-TMbwUNV5ro/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc07c221-6d0a-4463-b55d-0188efb09040/bin/uautomizer-TMbwUNV5ro --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 a4e4c55c78b95f44c6095497bf409656f44c1a6a97ae10e1462b294c9f7e80ca --- 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-8393723 [2022-11-18 20:53:26,766 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 20:53:26,768 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 20:53:26,787 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 20:53:26,788 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 20:53:26,789 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 20:53:26,790 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 20:53:26,792 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 20:53:26,794 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 20:53:26,795 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 20:53:26,796 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 20:53:26,797 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 20:53:26,798 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 20:53:26,799 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 20:53:26,800 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 20:53:26,802 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 20:53:26,803 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 20:53:26,804 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 20:53:26,805 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 20:53:26,807 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 20:53:26,809 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 20:53:26,812 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 20:53:26,813 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 20:53:26,814 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 20:53:26,818 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 20:53:26,818 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 20:53:26,818 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 20:53:26,819 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 20:53:26,820 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 20:53:26,821 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 20:53:26,821 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 20:53:26,822 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 20:53:26,823 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 20:53:26,824 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 20:53:26,825 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 20:53:26,826 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 20:53:26,833 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 20:53:26,835 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 20:53:26,835 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 20:53:26,836 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 20:53:26,837 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 20:53:26,838 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc07c221-6d0a-4463-b55d-0188efb09040/bin/uautomizer-TMbwUNV5ro/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-11-18 20:53:26,883 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 20:53:26,883 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 20:53:26,884 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 20:53:26,884 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 20:53:26,885 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 20:53:26,886 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 20:53:26,886 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 20:53:26,886 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-18 20:53:26,887 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-18 20:53:26,887 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-18 20:53:26,888 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-18 20:53:26,888 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-18 20:53:26,889 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-18 20:53:26,889 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 20:53:26,889 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-18 20:53:26,890 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 20:53:26,890 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 20:53:26,890 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-18 20:53:26,890 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-18 20:53:26,891 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-18 20:53:26,891 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 20:53:26,891 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-18 20:53:26,891 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 20:53:26,892 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-18 20:53:26,892 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 20:53:26,892 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 20:53:26,893 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 20:53:26,893 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 20:53:26,894 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-18 20:53:26,894 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_fc07c221-6d0a-4463-b55d-0188efb09040/bin/uautomizer-TMbwUNV5ro/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc07c221-6d0a-4463-b55d-0188efb09040/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a4e4c55c78b95f44c6095497bf409656f44c1a6a97ae10e1462b294c9f7e80ca [2022-11-18 20:53:27,193 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 20:53:27,214 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 20:53:27,217 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 20:53:27,218 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 20:53:27,219 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 20:53:27,221 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc07c221-6d0a-4463-b55d-0188efb09040/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/termination-restricted-15/ComplInterv2.c [2022-11-18 20:53:27,288 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc07c221-6d0a-4463-b55d-0188efb09040/bin/uautomizer-TMbwUNV5ro/data/d91c3bef6/755ec965e0704c99b805ffbcfb5ffb64/FLAGfebad1929 [2022-11-18 20:53:27,705 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 20:53:27,706 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc07c221-6d0a-4463-b55d-0188efb09040/sv-benchmarks/c/termination-restricted-15/ComplInterv2.c [2022-11-18 20:53:27,712 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc07c221-6d0a-4463-b55d-0188efb09040/bin/uautomizer-TMbwUNV5ro/data/d91c3bef6/755ec965e0704c99b805ffbcfb5ffb64/FLAGfebad1929 [2022-11-18 20:53:28,102 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc07c221-6d0a-4463-b55d-0188efb09040/bin/uautomizer-TMbwUNV5ro/data/d91c3bef6/755ec965e0704c99b805ffbcfb5ffb64 [2022-11-18 20:53:28,105 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 20:53:28,109 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 20:53:28,112 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 20:53:28,113 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 20:53:28,117 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 20:53:28,118 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:53:28" (1/1) ... [2022-11-18 20:53:28,119 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c2c084 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:53:28, skipping insertion in model container [2022-11-18 20:53:28,119 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:53:28" (1/1) ... [2022-11-18 20:53:28,127 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 20:53:28,140 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 20:53:28,319 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:53:28,322 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 20:53:28,332 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:53:28,342 INFO L208 MainTranslator]: Completed translation [2022-11-18 20:53:28,342 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:53:28 WrapperNode [2022-11-18 20:53:28,342 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 20:53:28,343 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 20:53:28,343 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 20:53:28,344 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 20:53:28,349 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:53:28" (1/1) ... [2022-11-18 20:53:28,354 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:53:28" (1/1) ... [2022-11-18 20:53:28,369 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 16 [2022-11-18 20:53:28,369 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 20:53:28,370 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 20:53:28,370 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 20:53:28,370 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 20:53:28,379 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:53:28" (1/1) ... [2022-11-18 20:53:28,380 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:53:28" (1/1) ... [2022-11-18 20:53:28,380 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:53:28" (1/1) ... [2022-11-18 20:53:28,380 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:53:28" (1/1) ... [2022-11-18 20:53:28,382 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:53:28" (1/1) ... [2022-11-18 20:53:28,386 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:53:28" (1/1) ... [2022-11-18 20:53:28,387 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:53:28" (1/1) ... [2022-11-18 20:53:28,387 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:53:28" (1/1) ... [2022-11-18 20:53:28,389 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 20:53:28,390 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 20:53:28,390 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 20:53:28,390 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 20:53:28,391 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:53:28" (1/1) ... [2022-11-18 20:53:28,400 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:53:28,411 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc07c221-6d0a-4463-b55d-0188efb09040/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:53:28,421 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc07c221-6d0a-4463-b55d-0188efb09040/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:53:28,423 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc07c221-6d0a-4463-b55d-0188efb09040/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-18 20:53:28,466 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 20:53:28,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 20:53:28,537 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 20:53:28,539 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 20:53:28,601 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 20:53:28,607 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 20:53:28,607 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-18 20:53:28,608 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:53:28 BoogieIcfgContainer [2022-11-18 20:53:28,609 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 20:53:28,610 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-18 20:53:28,610 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-18 20:53:28,613 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-18 20:53:28,614 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-18 20:53:28,614 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 08:53:28" (1/3) ... [2022-11-18 20:53:28,615 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@62225a04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 08:53:28, skipping insertion in model container [2022-11-18 20:53:28,615 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-18 20:53:28,615 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:53:28" (2/3) ... [2022-11-18 20:53:28,615 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@62225a04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 08:53:28, skipping insertion in model container [2022-11-18 20:53:28,615 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-18 20:53:28,616 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:53:28" (3/3) ... [2022-11-18 20:53:28,617 INFO L332 chiAutomizerObserver]: Analyzing ICFG ComplInterv2.c [2022-11-18 20:53:28,673 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-18 20:53:28,674 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-18 20:53:28,674 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-18 20:53:28,674 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-18 20:53:28,674 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-18 20:53:28,674 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-18 20:53:28,674 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-18 20:53:28,675 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-18 20:53:28,679 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) [2022-11-18 20:53:28,697 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-11-18 20:53:28,697 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:53:28,697 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:53:28,704 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-18 20:53:28,704 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-18 20:53:28,704 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-18 20:53:28,704 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) [2022-11-18 20:53:28,705 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-11-18 20:53:28,706 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:53:28,706 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:53:28,706 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-18 20:53:28,706 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-18 20:53:28,714 INFO L748 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 7#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; 5#L10-1true [2022-11-18 20:53:28,715 INFO L750 eck$LassoCheckResult]: Loop: 5#L10-1true assume !!(0 != main_~i~0#1); 4#L10true assume !(main_~i~0#1 > -5 && main_~i~0#1 < 5); 5#L10-1true [2022-11-18 20:53:28,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:53:28,721 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2022-11-18 20:53:28,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:53:28,729 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1835428074] [2022-11-18 20:53:28,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:53:28,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:53:28,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:53:28,800 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:53:28,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:53:28,817 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:53:28,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:53:28,820 INFO L85 PathProgramCache]: Analyzing trace with hash 1330, now seen corresponding path program 1 times [2022-11-18 20:53:28,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:53:28,820 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1332601028] [2022-11-18 20:53:28,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:53:28,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:53:28,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:53:28,827 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:53:28,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:53:28,833 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:53:28,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:53:28,834 INFO L85 PathProgramCache]: Analyzing trace with hash 925812, now seen corresponding path program 1 times [2022-11-18 20:53:28,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:53:28,835 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1370999797] [2022-11-18 20:53:28,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:53:28,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:53:28,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:53:28,842 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:53:28,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:53:28,846 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:53:28,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:53:28,929 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:53:28,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:53:28,950 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 08:53:28 BoogieIcfgContainer [2022-11-18 20:53:28,951 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-18 20:53:28,951 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-18 20:53:28,951 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-18 20:53:28,952 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-18 20:53:28,952 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:53:28" (3/4) ... [2022-11-18 20:53:28,955 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-11-18 20:53:28,994 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc07c221-6d0a-4463-b55d-0188efb09040/bin/uautomizer-TMbwUNV5ro/witness.graphml [2022-11-18 20:53:28,994 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-18 20:53:28,996 INFO L158 Benchmark]: Toolchain (without parser) took 889.39ms. Allocated memory is still 121.6MB. Free memory was 82.2MB in the beginning and 67.7MB in the end (delta: 14.5MB). Peak memory consumption was 12.2MB. Max. memory is 16.1GB. [2022-11-18 20:53:28,997 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 121.6MB. Free memory is still 98.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 20:53:28,997 INFO L158 Benchmark]: CACSL2BoogieTranslator took 230.50ms. Allocated memory is still 121.6MB. Free memory was 81.9MB in the beginning and 96.9MB in the end (delta: -14.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-18 20:53:28,998 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.24ms. Allocated memory is still 121.6MB. Free memory was 96.9MB in the beginning and 95.5MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 20:53:28,999 INFO L158 Benchmark]: Boogie Preprocessor took 18.71ms. Allocated memory is still 121.6MB. Free memory was 95.5MB in the beginning and 94.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 20:53:28,999 INFO L158 Benchmark]: RCFGBuilder took 219.21ms. Allocated memory is still 121.6MB. Free memory was 94.3MB in the beginning and 85.9MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-18 20:53:29,000 INFO L158 Benchmark]: BuchiAutomizer took 341.17ms. Allocated memory is still 121.6MB. Free memory was 85.9MB in the beginning and 69.2MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-18 20:53:29,001 INFO L158 Benchmark]: Witness Printer took 43.21ms. Allocated memory is still 121.6MB. Free memory was 69.2MB in the beginning and 67.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 20:53:29,005 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 121.6MB. Free memory is still 98.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 230.50ms. Allocated memory is still 121.6MB. Free memory was 81.9MB in the beginning and 96.9MB in the end (delta: -14.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 26.24ms. Allocated memory is still 121.6MB. Free memory was 96.9MB in the beginning and 95.5MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 18.71ms. Allocated memory is still 121.6MB. Free memory was 95.5MB in the beginning and 94.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 219.21ms. Allocated memory is still 121.6MB. Free memory was 94.3MB in the beginning and 85.9MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 341.17ms. Allocated memory is still 121.6MB. Free memory was 85.9MB in the beginning and 69.2MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 43.21ms. Allocated memory is still 121.6MB. Free memory was 69.2MB in the beginning and 67.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Trivial decomposition into one nonterminating module. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.2s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 0.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 9]: 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() Loop: [L9] COND TRUE i != 0 [L10] COND FALSE !(i > -5 && i < 5) End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 9]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L6] int i; [L7] i = __VERIFIER_nondet_int() Loop: [L9] COND TRUE i != 0 [L10] COND FALSE !(i > -5 && i < 5) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-11-18 20:53:29,047 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc07c221-6d0a-4463-b55d-0188efb09040/bin/uautomizer-TMbwUNV5ro/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)