./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loops/sum01-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version a0165632 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_6ee3781d-14d6-4620-9ee4-5e9e46683d75/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ee3781d-14d6-4620-9ee4-5e9e46683d75/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ee3781d-14d6-4620-9ee4-5e9e46683d75/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ee3781d-14d6-4620-9ee4-5e9e46683d75/bin/uautomizer-verify-jihMAELWvX/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loops/sum01-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ee3781d-14d6-4620-9ee4-5e9e46683d75/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ee3781d-14d6-4620-9ee4-5e9e46683d75/bin/uautomizer-verify-jihMAELWvX --witnessprinter.witness.filename witness --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 5a3f2d13c78d25176694a62cbb92a7cb676735e2350dda904e35c5c69ea362e5 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 19:24:20,746 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 19:24:20,844 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ee3781d-14d6-4620-9ee4-5e9e46683d75/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-08 19:24:20,850 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 19:24:20,851 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 19:24:20,897 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 19:24:20,898 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 19:24:20,898 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 19:24:20,899 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 19:24:20,900 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 19:24:20,901 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 19:24:20,902 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 19:24:20,903 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 19:24:20,903 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-08 19:24:20,904 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-08 19:24:20,905 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-08 19:24:20,905 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-08 19:24:20,906 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-08 19:24:20,906 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-08 19:24:20,907 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 19:24:20,908 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-08 19:24:20,909 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 19:24:20,909 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 19:24:20,910 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 19:24:20,910 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 19:24:20,911 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-08 19:24:20,911 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-08 19:24:20,912 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-08 19:24:20,913 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 19:24:20,913 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 19:24:20,914 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 19:24:20,914 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 19:24:20,915 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-08 19:24:20,915 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 19:24:20,916 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 19:24:20,917 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 19:24:20,917 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 19:24:20,918 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 19:24:20,919 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-08 19:24:20,919 INFO L153 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_6ee3781d-14d6-4620-9ee4-5e9e46683d75/bin/uautomizer-verify-jihMAELWvX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ee3781d-14d6-4620-9ee4-5e9e46683d75/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5a3f2d13c78d25176694a62cbb92a7cb676735e2350dda904e35c5c69ea362e5 [2024-11-08 19:24:21,309 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 19:24:21,355 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 19:24:21,358 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 19:24:21,360 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 19:24:21,362 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 19:24:21,364 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ee3781d-14d6-4620-9ee4-5e9e46683d75/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/loops/sum01-2.i Unable to find full path for "g++" [2024-11-08 19:24:23,831 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 19:24:24,101 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 19:24:24,102 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ee3781d-14d6-4620-9ee4-5e9e46683d75/sv-benchmarks/c/loops/sum01-2.i [2024-11-08 19:24:24,113 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ee3781d-14d6-4620-9ee4-5e9e46683d75/bin/uautomizer-verify-jihMAELWvX/data/15d42327e/02ad36d2533c4c439fa25a29ea1fc7e2/FLAG61abbbae4 [2024-11-08 19:24:24,415 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ee3781d-14d6-4620-9ee4-5e9e46683d75/bin/uautomizer-verify-jihMAELWvX/data/15d42327e/02ad36d2533c4c439fa25a29ea1fc7e2 [2024-11-08 19:24:24,419 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 19:24:24,421 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 19:24:24,423 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 19:24:24,423 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 19:24:24,432 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 19:24:24,433 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:24:24" (1/1) ... [2024-11-08 19:24:24,435 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d6138e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:24:24, skipping insertion in model container [2024-11-08 19:24:24,435 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:24:24" (1/1) ... [2024-11-08 19:24:24,475 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 19:24:24,798 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:24:24,817 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 19:24:24,843 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:24:24,871 INFO L204 MainTranslator]: Completed translation [2024-11-08 19:24:24,872 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:24:24 WrapperNode [2024-11-08 19:24:24,872 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 19:24:24,874 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 19:24:24,874 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 19:24:24,874 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 19:24:24,884 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:24:24" (1/1) ... [2024-11-08 19:24:24,894 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:24:24" (1/1) ... [2024-11-08 19:24:24,920 INFO L138 Inliner]: procedures = 15, calls = 8, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 33 [2024-11-08 19:24:24,920 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 19:24:24,921 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 19:24:24,922 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 19:24:24,922 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 19:24:24,945 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:24:24" (1/1) ... [2024-11-08 19:24:24,945 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:24:24" (1/1) ... [2024-11-08 19:24:24,946 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:24:24" (1/1) ... [2024-11-08 19:24:24,958 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-08 19:24:24,959 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:24:24" (1/1) ... [2024-11-08 19:24:24,959 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:24:24" (1/1) ... [2024-11-08 19:24:24,962 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:24:24" (1/1) ... [2024-11-08 19:24:24,966 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:24:24" (1/1) ... [2024-11-08 19:24:24,967 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:24:24" (1/1) ... [2024-11-08 19:24:24,968 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:24:24" (1/1) ... [2024-11-08 19:24:24,970 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 19:24:24,971 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 19:24:24,972 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 19:24:24,972 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 19:24:24,973 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:24:24" (1/1) ... [2024-11-08 19:24:24,981 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 19:24:24,997 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ee3781d-14d6-4620-9ee4-5e9e46683d75/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 19:24:25,014 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ee3781d-14d6-4620-9ee4-5e9e46683d75/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 19:24:25,017 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ee3781d-14d6-4620-9ee4-5e9e46683d75/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-08 19:24:25,059 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 19:24:25,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 19:24:25,059 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 19:24:25,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 19:24:25,130 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 19:24:25,133 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 19:24:25,303 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-08 19:24:25,304 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 19:24:25,317 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 19:24:25,318 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 19:24:25,318 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:24:25 BoogieIcfgContainer [2024-11-08 19:24:25,318 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 19:24:25,320 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-08 19:24:25,320 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-08 19:24:25,326 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-08 19:24:25,327 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-08 19:24:25,327 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 08.11 07:24:24" (1/3) ... [2024-11-08 19:24:25,329 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@b74ab0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 08.11 07:24:25, skipping insertion in model container [2024-11-08 19:24:25,329 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-08 19:24:25,329 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:24:24" (2/3) ... [2024-11-08 19:24:25,330 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@b74ab0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 08.11 07:24:25, skipping insertion in model container [2024-11-08 19:24:25,330 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-08 19:24:25,330 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:24:25" (3/3) ... [2024-11-08 19:24:25,332 INFO L332 chiAutomizerObserver]: Analyzing ICFG sum01-2.i [2024-11-08 19:24:25,410 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-08 19:24:25,411 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-08 19:24:25,411 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-08 19:24:25,411 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-08 19:24:25,411 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-08 19:24:25,411 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-08 19:24:25,412 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-08 19:24:25,412 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-08 19:24:25,417 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 14 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 13 states have internal predecessors, (18), 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) [2024-11-08 19:24:25,441 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-08 19:24:25,442 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-08 19:24:25,442 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-08 19:24:25,449 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-11-08 19:24:25,449 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-08 19:24:25,450 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-08 19:24:25,450 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 14 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 13 states have internal predecessors, (18), 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) [2024-11-08 19:24:25,451 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-08 19:24:25,452 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-08 19:24:25,452 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-08 19:24:25,452 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-11-08 19:24:25,452 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-08 19:24:25,461 INFO L745 eck$LassoCheckResult]: Stem: 11#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(10, 2); 7#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~post2#1, main_~i~0#1, main_~n~0#1, main_~sn~0#1;havoc main_~i~0#1;havoc main_#t~nondet1#1;main_~n~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~sn~0#1 := 0; 13#L24true assume !!(main_~n~0#1 < 1000 && main_~n~0#1 >= -1000);main_~i~0#1 := 1; 5#L25-3true [2024-11-08 19:24:25,461 INFO L747 eck$LassoCheckResult]: Loop: 5#L25-3true assume main_~i~0#1 <= main_~n~0#1; 6#L25-1true assume !!(main_~i~0#1 <= main_~n~0#1);main_~sn~0#1 := 2 + main_~sn~0#1;main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 5#L25-3true [2024-11-08 19:24:25,469 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:24:25,469 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2024-11-08 19:24:25,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:24:25,481 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [114075088] [2024-11-08 19:24:25,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:24:25,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:24:25,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:24:25,598 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 19:24:25,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:24:25,633 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 19:24:25,637 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:24:25,637 INFO L85 PathProgramCache]: Analyzing trace with hash 1318, now seen corresponding path program 1 times [2024-11-08 19:24:25,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:24:25,638 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1774756155] [2024-11-08 19:24:25,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:24:25,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:24:25,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:24:25,657 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 19:24:25,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:24:25,699 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 19:24:25,702 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:24:25,702 INFO L85 PathProgramCache]: Analyzing trace with hash 28695817, now seen corresponding path program 1 times [2024-11-08 19:24:25,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:24:25,703 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [370996461] [2024-11-08 19:24:25,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:24:25,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:24:25,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:24:25,735 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 19:24:25,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:24:25,788 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 19:24:25,898 INFO L204 LassoAnalysis]: Preferences: [2024-11-08 19:24:25,899 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-08 19:24:25,899 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-08 19:24:25,899 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-08 19:24:25,900 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-08 19:24:25,900 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 19:24:25,900 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-08 19:24:25,900 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-08 19:24:25,900 INFO L132 ssoRankerPreferences]: Filename of dumped script: sum01-2.i_Iteration1_Loop [2024-11-08 19:24:25,900 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-08 19:24:25,901 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-08 19:24:25,916 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 19:24:25,930 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 19:24:25,943 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 19:24:26,011 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-08 19:24:26,012 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-08 19:24:26,015 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 19:24:26,015 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ee3781d-14d6-4620-9ee4-5e9e46683d75/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 19:24:26,020 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ee3781d-14d6-4620-9ee4-5e9e46683d75/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 19:24:26,021 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ee3781d-14d6-4620-9ee4-5e9e46683d75/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2024-11-08 19:24:26,022 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-08 19:24:26,023 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-08 19:24:26,073 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ee3781d-14d6-4620-9ee4-5e9e46683d75/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2024-11-08 19:24:26,073 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 19:24:26,073 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ee3781d-14d6-4620-9ee4-5e9e46683d75/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 19:24:26,076 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ee3781d-14d6-4620-9ee4-5e9e46683d75/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 19:24:26,083 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ee3781d-14d6-4620-9ee4-5e9e46683d75/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-11-08 19:24:26,085 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-08 19:24:26,085 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-08 19:24:26,128 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-08 19:24:26,128 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~sn~0#1=0} Honda state: {ULTIMATE.start_main_~sn~0#1=0} Generalized eigenvectors: [{ULTIMATE.start_main_~sn~0#1=-1}, {ULTIMATE.start_main_~sn~0#1=4}, {ULTIMATE.start_main_~sn~0#1=-1}] Lambdas: [1, 1, 1] Nus: [0, 0] [2024-11-08 19:24:26,150 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ee3781d-14d6-4620-9ee4-5e9e46683d75/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2024-11-08 19:24:26,151 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 19:24:26,152 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ee3781d-14d6-4620-9ee4-5e9e46683d75/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 19:24:26,153 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ee3781d-14d6-4620-9ee4-5e9e46683d75/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 19:24:26,157 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ee3781d-14d6-4620-9ee4-5e9e46683d75/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-11-08 19:24:26,159 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-08 19:24:26,159 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-08 19:24:26,207 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ee3781d-14d6-4620-9ee4-5e9e46683d75/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2024-11-08 19:24:26,208 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 19:24:26,208 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ee3781d-14d6-4620-9ee4-5e9e46683d75/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 19:24:26,210 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ee3781d-14d6-4620-9ee4-5e9e46683d75/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 19:24:26,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ee3781d-14d6-4620-9ee4-5e9e46683d75/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-11-08 19:24:26,214 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-08 19:24:26,214 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-08 19:24:26,385 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-08 19:24:26,389 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ee3781d-14d6-4620-9ee4-5e9e46683d75/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2024-11-08 19:24:26,391 INFO L204 LassoAnalysis]: Preferences: [2024-11-08 19:24:26,391 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-08 19:24:26,392 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-08 19:24:26,392 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-08 19:24:26,392 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-08 19:24:26,392 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 19:24:26,392 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-08 19:24:26,392 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-08 19:24:26,392 INFO L132 ssoRankerPreferences]: Filename of dumped script: sum01-2.i_Iteration1_Loop [2024-11-08 19:24:26,392 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-08 19:24:26,392 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-08 19:24:26,396 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 19:24:26,403 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 19:24:26,417 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-08 19:24:26,470 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-08 19:24:26,475 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-08 19:24:26,477 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 19:24:26,477 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ee3781d-14d6-4620-9ee4-5e9e46683d75/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 19:24:26,479 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ee3781d-14d6-4620-9ee4-5e9e46683d75/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 19:24:26,482 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ee3781d-14d6-4620-9ee4-5e9e46683d75/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2024-11-08 19:24:26,483 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 [2024-11-08 19:24:26,503 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-08 19:24:26,503 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-08 19:24:26,504 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-08 19:24:26,504 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-08 19:24:26,504 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-08 19:24:26,509 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-08 19:24:26,510 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-08 19:24:26,517 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-08 19:24:26,533 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ee3781d-14d6-4620-9ee4-5e9e46683d75/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2024-11-08 19:24:26,534 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 19:24:26,534 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ee3781d-14d6-4620-9ee4-5e9e46683d75/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 19:24:26,536 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ee3781d-14d6-4620-9ee4-5e9e46683d75/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 19:24:26,537 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ee3781d-14d6-4620-9ee4-5e9e46683d75/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2024-11-08 19:24:26,538 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 [2024-11-08 19:24:26,556 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-08 19:24:26,557 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-08 19:24:26,557 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-08 19:24:26,557 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-08 19:24:26,557 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-08 19:24:26,560 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-08 19:24:26,560 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-08 19:24:26,566 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-08 19:24:26,572 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-08 19:24:26,573 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-11-08 19:24:26,575 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 19:24:26,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ee3781d-14d6-4620-9ee4-5e9e46683d75/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 19:24:26,586 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ee3781d-14d6-4620-9ee4-5e9e46683d75/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 19:24:26,591 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ee3781d-14d6-4620-9ee4-5e9e46683d75/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2024-11-08 19:24:26,592 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-08 19:24:26,593 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-08 19:24:26,593 INFO L474 LassoAnalysis]: Proved termination. [2024-11-08 19:24:26,594 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1, ULTIMATE.start_main_~n~0#1) = -2*ULTIMATE.start_main_~i~0#1 + 2*ULTIMATE.start_main_~n~0#1 + 1 Supporting invariants [] [2024-11-08 19:24:26,616 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ee3781d-14d6-4620-9ee4-5e9e46683d75/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2024-11-08 19:24:26,622 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-08 19:24:26,666 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:24:26,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:24:26,685 INFO L255 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 19:24:26,686 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:24:26,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:24:26,706 WARN L253 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 19:24:26,707 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:24:26,738 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:24:26,784 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 [2024-11-08 19:24:26,786 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 14 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 13 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 19:24:26,855 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 14 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 13 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 28 states and 34 transitions. Complement of second has 6 states. [2024-11-08 19:24:26,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-08 19:24:26,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 19:24:26,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 19 transitions. [2024-11-08 19:24:26,868 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 3 letters. Loop has 2 letters. [2024-11-08 19:24:26,870 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-08 19:24:26,871 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 5 letters. Loop has 2 letters. [2024-11-08 19:24:26,871 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-08 19:24:26,871 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 3 letters. Loop has 4 letters. [2024-11-08 19:24:26,872 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-08 19:24:26,873 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 28 states and 34 transitions. [2024-11-08 19:24:26,877 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-08 19:24:26,882 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 28 states to 0 states and 0 transitions. [2024-11-08 19:24:26,883 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-08 19:24:26,884 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-08 19:24:26,884 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-08 19:24:26,885 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-08 19:24:26,885 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-08 19:24:26,885 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-08 19:24:26,885 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-08 19:24:26,886 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-08 19:24:26,886 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-11-08 19:24:26,886 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-08 19:24:26,886 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-11-08 19:24:26,897 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 08.11 07:24:26 BoogieIcfgContainer [2024-11-08 19:24:26,898 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-08 19:24:26,899 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 19:24:26,899 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 19:24:26,900 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 19:24:26,900 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:24:25" (3/4) ... [2024-11-08 19:24:26,903 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 19:24:26,905 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 19:24:26,907 INFO L158 Benchmark]: Toolchain (without parser) took 2485.27ms. Allocated memory is still 178.3MB. Free memory was 138.9MB in the beginning and 117.1MB in the end (delta: 21.8MB). Peak memory consumption was 21.8MB. Max. memory is 16.1GB. [2024-11-08 19:24:26,909 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 117.4MB. Free memory is still 66.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:24:26,910 INFO L158 Benchmark]: CACSL2BoogieTranslator took 450.15ms. Allocated memory is still 178.3MB. Free memory was 138.3MB in the beginning and 126.3MB in the end (delta: 12.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-08 19:24:26,911 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.83ms. Allocated memory is still 178.3MB. Free memory was 126.3MB in the beginning and 124.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 19:24:26,911 INFO L158 Benchmark]: Boogie Preprocessor took 49.05ms. Allocated memory is still 178.3MB. Free memory was 124.6MB in the beginning and 123.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 19:24:26,913 INFO L158 Benchmark]: RCFGBuilder took 347.39ms. Allocated memory is still 178.3MB. Free memory was 123.0MB in the beginning and 113.7MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-08 19:24:26,916 INFO L158 Benchmark]: BuchiAutomizer took 1578.04ms. Allocated memory is still 178.3MB. Free memory was 113.7MB in the beginning and 117.1MB in the end (delta: -3.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:24:26,917 INFO L158 Benchmark]: Witness Printer took 6.29ms. Allocated memory is still 178.3MB. Free memory is still 117.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:24:26,920 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 117.4MB. Free memory is still 66.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 450.15ms. Allocated memory is still 178.3MB. Free memory was 138.3MB in the beginning and 126.3MB in the end (delta: 12.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.83ms. Allocated memory is still 178.3MB. Free memory was 126.3MB in the beginning and 124.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.05ms. Allocated memory is still 178.3MB. Free memory was 124.6MB in the beginning and 123.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 347.39ms. Allocated memory is still 178.3MB. Free memory was 123.0MB in the beginning and 113.7MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 1578.04ms. Allocated memory is still 178.3MB. Free memory was 113.7MB in the beginning and 117.1MB in the end (delta: -3.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.29ms. Allocated memory is still 178.3MB. Free memory is still 117.1MB. 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 ((((long long) -2 * i) + ((long long) 2 * n)) + 1) and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.5s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.1s. 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, 6 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5 mSDsluCounter, 6 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7 IncrementalHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 6 mSDtfsCounter, 7 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital15 mio100 ax100 hnf100 lsp66 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 40ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.3s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2024-11-08 19:24:26,970 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ee3781d-14d6-4620-9ee4-5e9e46683d75/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2024-11-08 19:24:27,176 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ee3781d-14d6-4620-9ee4-5e9e46683d75/bin/uautomizer-verify-jihMAELWvX/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