./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loop-new/count_by_1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version e04fb08f 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_9c909200-ac34-4c1f-ba0c-659d15324ce3/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c909200-ac34-4c1f-ba0c-659d15324ce3/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c909200-ac34-4c1f-ba0c-659d15324ce3/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c909200-ac34-4c1f-ba0c-659d15324ce3/bin/uautomizer-tPACEb0tL8/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loop-new/count_by_1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c909200-ac34-4c1f-ba0c-659d15324ce3/bin/uautomizer-tPACEb0tL8/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c909200-ac34-4c1f-ba0c-659d15324ce3/bin/uautomizer-tPACEb0tL8 --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 32bit --witnessprinter.graph.data.programhash 14fb22a4db5f29ac6c79e8533b9a516d22dc65273f523f7802f7a661fa835fd1 --- 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-e04fb08 [2022-11-16 12:30:06,387 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 12:30:06,393 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 12:30:06,439 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 12:30:06,440 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 12:30:06,444 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 12:30:06,446 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 12:30:06,450 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 12:30:06,452 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 12:30:06,453 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 12:30:06,455 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 12:30:06,456 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 12:30:06,457 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 12:30:06,458 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 12:30:06,460 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 12:30:06,461 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 12:30:06,462 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 12:30:06,463 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 12:30:06,465 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 12:30:06,467 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 12:30:06,469 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 12:30:06,474 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 12:30:06,476 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 12:30:06,478 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 12:30:06,487 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 12:30:06,487 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 12:30:06,488 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 12:30:06,489 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 12:30:06,494 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 12:30:06,496 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 12:30:06,496 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 12:30:06,497 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 12:30:06,498 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 12:30:06,500 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 12:30:06,502 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 12:30:06,503 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 12:30:06,505 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 12:30:06,505 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 12:30:06,506 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 12:30:06,507 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 12:30:06,508 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 12:30:06,509 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c909200-ac34-4c1f-ba0c-659d15324ce3/bin/uautomizer-tPACEb0tL8/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-11-16 12:30:06,550 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 12:30:06,553 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 12:30:06,554 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 12:30:06,554 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 12:30:06,556 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 12:30:06,556 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 12:30:06,556 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 12:30:06,557 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-16 12:30:06,557 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-16 12:30:06,557 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-16 12:30:06,558 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-16 12:30:06,559 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-16 12:30:06,559 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-16 12:30:06,559 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 12:30:06,560 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 12:30:06,560 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-16 12:30:06,560 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 12:30:06,560 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 12:30:06,561 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 12:30:06,561 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-16 12:30:06,561 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-16 12:30:06,562 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-16 12:30:06,562 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 12:30:06,562 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 12:30:06,562 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-16 12:30:06,563 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 12:30:06,563 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-16 12:30:06,563 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 12:30:06,564 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 12:30:06,564 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 12:30:06,564 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 12:30:06,566 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-16 12:30:06,566 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_9c909200-ac34-4c1f-ba0c-659d15324ce3/bin/uautomizer-tPACEb0tL8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c909200-ac34-4c1f-ba0c-659d15324ce3/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 14fb22a4db5f29ac6c79e8533b9a516d22dc65273f523f7802f7a661fa835fd1 [2022-11-16 12:30:06,904 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 12:30:06,943 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 12:30:06,946 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 12:30:06,947 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 12:30:06,948 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 12:30:06,950 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c909200-ac34-4c1f-ba0c-659d15324ce3/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/loop-new/count_by_1.i [2022-11-16 12:30:07,038 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c909200-ac34-4c1f-ba0c-659d15324ce3/bin/uautomizer-tPACEb0tL8/data/f926618ce/e747ee6794054d0fbfcf5f34566a6f9e/FLAGdc3d48cde [2022-11-16 12:30:07,567 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 12:30:07,568 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c909200-ac34-4c1f-ba0c-659d15324ce3/sv-benchmarks/c/loop-new/count_by_1.i [2022-11-16 12:30:07,575 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c909200-ac34-4c1f-ba0c-659d15324ce3/bin/uautomizer-tPACEb0tL8/data/f926618ce/e747ee6794054d0fbfcf5f34566a6f9e/FLAGdc3d48cde [2022-11-16 12:30:07,935 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c909200-ac34-4c1f-ba0c-659d15324ce3/bin/uautomizer-tPACEb0tL8/data/f926618ce/e747ee6794054d0fbfcf5f34566a6f9e [2022-11-16 12:30:07,939 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 12:30:07,942 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 12:30:07,946 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 12:30:07,946 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 12:30:07,950 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 12:30:07,951 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:30:07" (1/1) ... [2022-11-16 12:30:07,954 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58832443 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:30:07, skipping insertion in model container [2022-11-16 12:30:07,954 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:30:07" (1/1) ... [2022-11-16 12:30:07,964 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 12:30:07,981 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 12:30:08,262 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c909200-ac34-4c1f-ba0c-659d15324ce3/sv-benchmarks/c/loop-new/count_by_1.i[891,904] [2022-11-16 12:30:08,271 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:30:08,285 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 12:30:08,301 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c909200-ac34-4c1f-ba0c-659d15324ce3/sv-benchmarks/c/loop-new/count_by_1.i[891,904] [2022-11-16 12:30:08,305 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:30:08,324 INFO L208 MainTranslator]: Completed translation [2022-11-16 12:30:08,325 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:30:08 WrapperNode [2022-11-16 12:30:08,325 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 12:30:08,327 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 12:30:08,327 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 12:30:08,328 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 12:30:08,337 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:30:08" (1/1) ... [2022-11-16 12:30:08,346 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:30:08" (1/1) ... [2022-11-16 12:30:08,366 INFO L138 Inliner]: procedures = 16, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 27 [2022-11-16 12:30:08,366 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 12:30:08,368 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 12:30:08,368 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 12:30:08,368 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 12:30:08,379 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:30:08" (1/1) ... [2022-11-16 12:30:08,379 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:30:08" (1/1) ... [2022-11-16 12:30:08,381 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:30:08" (1/1) ... [2022-11-16 12:30:08,381 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:30:08" (1/1) ... [2022-11-16 12:30:08,384 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:30:08" (1/1) ... [2022-11-16 12:30:08,388 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:30:08" (1/1) ... [2022-11-16 12:30:08,388 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:30:08" (1/1) ... [2022-11-16 12:30:08,389 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:30:08" (1/1) ... [2022-11-16 12:30:08,390 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 12:30:08,391 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 12:30:08,391 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 12:30:08,392 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 12:30:08,393 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:30:08" (1/1) ... [2022-11-16 12:30:08,400 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:30:08,412 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c909200-ac34-4c1f-ba0c-659d15324ce3/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:30:08,426 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c909200-ac34-4c1f-ba0c-659d15324ce3/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:30:08,464 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c909200-ac34-4c1f-ba0c-659d15324ce3/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-16 12:30:08,479 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 12:30:08,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 12:30:08,479 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 12:30:08,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 12:30:08,549 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 12:30:08,551 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 12:30:08,684 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 12:30:08,691 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 12:30:08,693 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-16 12:30:08,695 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:30:08 BoogieIcfgContainer [2022-11-16 12:30:08,699 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 12:30:08,701 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-16 12:30:08,701 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-16 12:30:08,706 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-16 12:30:08,707 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 12:30:08,707 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 16.11 12:30:07" (1/3) ... [2022-11-16 12:30:08,708 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1ea8f491 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.11 12:30:08, skipping insertion in model container [2022-11-16 12:30:08,708 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 12:30:08,709 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:30:08" (2/3) ... [2022-11-16 12:30:08,709 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1ea8f491 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.11 12:30:08, skipping insertion in model container [2022-11-16 12:30:08,709 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 12:30:08,709 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:30:08" (3/3) ... [2022-11-16 12:30:08,711 INFO L332 chiAutomizerObserver]: Analyzing ICFG count_by_1.i [2022-11-16 12:30:08,781 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-16 12:30:08,781 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-16 12:30:08,781 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-16 12:30:08,782 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-16 12:30:08,782 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-16 12:30:08,782 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-16 12:30:08,782 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-16 12:30:08,782 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-16 12:30:08,787 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 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) [2022-11-16 12:30:08,806 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-16 12:30:08,807 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:30:08,807 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:30:08,813 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-16 12:30:08,813 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-16 12:30:08,813 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-16 12:30:08,814 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 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) [2022-11-16 12:30:08,816 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-16 12:30:08,816 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:30:08,816 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:30:08,816 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-16 12:30:08,817 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-16 12:30:08,826 INFO L748 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(9, 2); 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~post1#1, main_~i~0#1;havoc main_~i~0#1;main_~i~0#1 := 0; 11#L26-3true [2022-11-16 12:30:08,826 INFO L750 eck$LassoCheckResult]: Loop: 11#L26-3true assume !!(main_~i~0#1 < 1000000); 7#L26-2true main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 11#L26-3true [2022-11-16 12:30:08,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:30:08,847 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2022-11-16 12:30:08,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:30:08,859 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1770600457] [2022-11-16 12:30:08,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:30:08,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:30:09,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:30:09,059 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:30:09,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:30:09,100 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:30:09,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:30:09,104 INFO L85 PathProgramCache]: Analyzing trace with hash 1283, now seen corresponding path program 1 times [2022-11-16 12:30:09,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:30:09,107 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [552383166] [2022-11-16 12:30:09,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:30:09,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:30:09,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:30:09,131 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:30:09,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:30:09,148 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:30:09,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:30:09,152 INFO L85 PathProgramCache]: Analyzing trace with hash 925765, now seen corresponding path program 1 times [2022-11-16 12:30:09,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:30:09,153 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1506951067] [2022-11-16 12:30:09,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:30:09,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:30:09,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:30:09,183 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:30:09,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:30:09,204 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:30:09,300 INFO L210 LassoAnalysis]: Preferences: [2022-11-16 12:30:09,301 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-16 12:30:09,301 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-16 12:30:09,302 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-16 12:30:09,302 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-16 12:30:09,302 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:30:09,302 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-16 12:30:09,303 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-16 12:30:09,303 INFO L133 ssoRankerPreferences]: Filename of dumped script: count_by_1.i_Iteration1_Loop [2022-11-16 12:30:09,303 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-16 12:30:09,303 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-16 12:30:09,323 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:30:09,353 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:30:09,422 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-16 12:30:09,422 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-16 12:30:09,425 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:30:09,426 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c909200-ac34-4c1f-ba0c-659d15324ce3/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:30:09,431 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c909200-ac34-4c1f-ba0c-659d15324ce3/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:30:09,435 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-16 12:30:09,436 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-16 12:30:09,449 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c909200-ac34-4c1f-ba0c-659d15324ce3/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-16 12:30:09,466 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c909200-ac34-4c1f-ba0c-659d15324ce3/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-11-16 12:30:09,467 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:30:09,467 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c909200-ac34-4c1f-ba0c-659d15324ce3/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:30:09,468 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c909200-ac34-4c1f-ba0c-659d15324ce3/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:30:09,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c909200-ac34-4c1f-ba0c-659d15324ce3/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-16 12:30:09,472 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-16 12:30:09,475 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-16 12:30:09,519 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-16 12:30:09,529 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c909200-ac34-4c1f-ba0c-659d15324ce3/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-11-16 12:30:09,530 INFO L210 LassoAnalysis]: Preferences: [2022-11-16 12:30:09,530 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-16 12:30:09,530 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-16 12:30:09,530 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-16 12:30:09,530 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-16 12:30:09,530 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:30:09,531 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-16 12:30:09,531 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-16 12:30:09,531 INFO L133 ssoRankerPreferences]: Filename of dumped script: count_by_1.i_Iteration1_Loop [2022-11-16 12:30:09,531 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-16 12:30:09,531 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-16 12:30:09,532 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:30:09,546 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:30:09,579 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-16 12:30:09,584 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-16 12:30:09,586 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:30:09,586 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c909200-ac34-4c1f-ba0c-659d15324ce3/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:30:09,592 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c909200-ac34-4c1f-ba0c-659d15324ce3/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:30:09,599 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c909200-ac34-4c1f-ba0c-659d15324ce3/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-16 12:30:09,600 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 [2022-11-16 12:30:09,615 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:30:09,615 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:30:09,616 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:30:09,616 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:30:09,616 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:30:09,622 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:30:09,622 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:30:09,639 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-16 12:30:09,647 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-11-16 12:30:09,648 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-11-16 12:30:09,649 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:30:09,649 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c909200-ac34-4c1f-ba0c-659d15324ce3/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:30:09,653 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c909200-ac34-4c1f-ba0c-659d15324ce3/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:30:09,659 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c909200-ac34-4c1f-ba0c-659d15324ce3/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-16 12:30:09,659 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-16 12:30:09,660 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-11-16 12:30:09,660 INFO L513 LassoAnalysis]: Proved termination. [2022-11-16 12:30:09,661 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1) = -2*ULTIMATE.start_main_~i~0#1 + 1999999 Supporting invariants [] [2022-11-16 12:30:09,670 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c909200-ac34-4c1f-ba0c-659d15324ce3/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-11-16 12:30:09,675 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-11-16 12:30:09,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:30:09,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:30:09,748 INFO L263 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-16 12:30:09,750 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:30:09,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:30:09,770 WARN L261 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-16 12:30:09,771 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:30:09,823 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:30:09,880 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-11-16 12:30:09,882 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:30:09,937 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 27 states and 33 transitions. Complement of second has 7 states. [2022-11-16 12:30:09,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2022-11-16 12:30:09,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:30:09,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 20 transitions. [2022-11-16 12:30:09,957 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 20 transitions. Stem has 2 letters. Loop has 2 letters. [2022-11-16 12:30:09,957 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:30:09,957 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 20 transitions. Stem has 4 letters. Loop has 2 letters. [2022-11-16 12:30:09,958 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:30:09,959 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 20 transitions. Stem has 2 letters. Loop has 4 letters. [2022-11-16 12:30:09,959 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 12:30:09,960 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 33 transitions. [2022-11-16 12:30:09,963 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-16 12:30:09,966 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 0 states and 0 transitions. [2022-11-16 12:30:09,967 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-11-16 12:30:09,968 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-11-16 12:30:09,968 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-11-16 12:30:09,969 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:30:09,969 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-16 12:30:09,969 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-16 12:30:09,969 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-16 12:30:09,969 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-16 12:30:09,970 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-11-16 12:30:09,970 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-16 12:30:09,970 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-11-16 12:30:09,980 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 16.11 12:30:09 BoogieIcfgContainer [2022-11-16 12:30:09,980 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-16 12:30:09,982 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 12:30:09,982 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 12:30:09,984 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 12:30:09,985 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:30:08" (3/4) ... [2022-11-16 12:30:09,988 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-16 12:30:09,988 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 12:30:09,990 INFO L158 Benchmark]: Toolchain (without parser) took 2047.38ms. Allocated memory is still 134.2MB. Free memory was 98.6MB in the beginning and 59.6MB in the end (delta: 39.0MB). Peak memory consumption was 39.0MB. Max. memory is 16.1GB. [2022-11-16 12:30:09,991 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 92.3MB. Free memory was 63.5MB in the beginning and 63.4MB in the end (delta: 21.2kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 12:30:09,994 INFO L158 Benchmark]: CACSL2BoogieTranslator took 380.27ms. Allocated memory is still 134.2MB. Free memory was 98.6MB in the beginning and 109.2MB in the end (delta: -10.6MB). Peak memory consumption was 9.7MB. Max. memory is 16.1GB. [2022-11-16 12:30:09,996 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.62ms. Allocated memory is still 134.2MB. Free memory was 109.2MB in the beginning and 107.8MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 12:30:09,999 INFO L158 Benchmark]: Boogie Preprocessor took 22.92ms. Allocated memory is still 134.2MB. Free memory was 107.8MB in the beginning and 107.1MB in the end (delta: 680.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 12:30:10,000 INFO L158 Benchmark]: RCFGBuilder took 308.41ms. Allocated memory is still 134.2MB. Free memory was 107.1MB in the beginning and 98.0MB in the end (delta: 9.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-16 12:30:10,001 INFO L158 Benchmark]: BuchiAutomizer took 1279.42ms. Allocated memory is still 134.2MB. Free memory was 98.0MB in the beginning and 60.3MB in the end (delta: 37.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2022-11-16 12:30:10,002 INFO L158 Benchmark]: Witness Printer took 6.25ms. Allocated memory is still 134.2MB. Free memory was 60.3MB in the beginning and 59.6MB in the end (delta: 703.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 12:30:10,006 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 92.3MB. Free memory was 63.5MB in the beginning and 63.4MB in the end (delta: 21.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 380.27ms. Allocated memory is still 134.2MB. Free memory was 98.6MB in the beginning and 109.2MB in the end (delta: -10.6MB). Peak memory consumption was 9.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.62ms. Allocated memory is still 134.2MB. Free memory was 109.2MB in the beginning and 107.8MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.92ms. Allocated memory is still 134.2MB. Free memory was 107.8MB in the beginning and 107.1MB in the end (delta: 680.4kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 308.41ms. Allocated memory is still 134.2MB. Free memory was 107.1MB in the beginning and 98.0MB in the end (delta: 9.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 1279.42ms. Allocated memory is still 134.2MB. Free memory was 98.0MB in the beginning and 60.3MB in the end (delta: 37.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * Witness Printer took 6.25ms. Allocated memory is still 134.2MB. Free memory was 60.3MB in the beginning and 59.6MB in the end (delta: 703.0kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * i + 1999999 and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.2s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 10 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 9 mSDsluCounter, 17 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 10 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9 IncrementalHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 7 mSDtfsCounter, 9 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital10 mio100 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 75ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-11-16 12:30:10,026 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c909200-ac34-4c1f-ba0c-659d15324ce3/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-11-16 12:30:10,225 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c909200-ac34-4c1f-ba0c-659d15324ce3/bin/uautomizer-tPACEb0tL8/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 Result: TRUE