./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/float-benchs/interpolation2.c.v+cfa-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ac47539-bc72-4f8b-b5b5-117d8399a3eb/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ac47539-bc72-4f8b-b5b5-117d8399a3eb/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ac47539-bc72-4f8b-b5b5-117d8399a3eb/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ac47539-bc72-4f8b-b5b5-117d8399a3eb/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-benchs/interpolation2.c.v+cfa-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ac47539-bc72-4f8b-b5b5-117d8399a3eb/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ac47539-bc72-4f8b-b5b5-117d8399a3eb/bin/uautomizer-verify-84ZbGMXZE1 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a4b21fc033f5ea5cebc3419535848f3ce92b08a7177da8a580c018ae56dea99e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 10:12:01,760 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 10:12:01,812 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ac47539-bc72-4f8b-b5b5-117d8399a3eb/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-12-02 10:12:01,817 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 10:12:01,817 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 10:12:01,837 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 10:12:01,837 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 10:12:01,837 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 10:12:01,838 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 10:12:01,838 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 10:12:01,838 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 10:12:01,838 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 10:12:01,838 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 10:12:01,838 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 10:12:01,838 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 10:12:01,839 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 10:12:01,839 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 10:12:01,839 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 10:12:01,839 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 10:12:01,839 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 10:12:01,839 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 10:12:01,839 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 10:12:01,839 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 10:12:01,839 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 10:12:01,839 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-02 10:12:01,840 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-02 10:12:01,840 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 10:12:01,840 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 10:12:01,840 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 10:12:01,840 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 10:12:01,840 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 10:12:01,840 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 10:12:01,840 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 10:12:01,840 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 10:12:01,840 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 10:12:01,841 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 10:12:01,841 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 10:12:01,841 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 10:12:01,841 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 10:12:01,841 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 10:12:01,841 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 10:12:01,841 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 10:12:01,841 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 10:12:01,841 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 10:12:01,841 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 10:12:01,842 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 10:12:01,842 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 10:12:01,842 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 10:12:01,842 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 10:12:01,842 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 10:12:01,842 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_6ac47539-bc72-4f8b-b5b5-117d8399a3eb/bin/uautomizer-verify-84ZbGMXZE1 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(G ! overflow) ) 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 -> a4b21fc033f5ea5cebc3419535848f3ce92b08a7177da8a580c018ae56dea99e [2024-12-02 10:12:02,046 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 10:12:02,053 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 10:12:02,055 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 10:12:02,056 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 10:12:02,056 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 10:12:02,057 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ac47539-bc72-4f8b-b5b5-117d8399a3eb/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/float-benchs/interpolation2.c.v+cfa-reducer.c [2024-12-02 10:12:04,697 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ac47539-bc72-4f8b-b5b5-117d8399a3eb/bin/uautomizer-verify-84ZbGMXZE1/data/e2a6129df/862f82a8a457457f86cf9137718cbcd9/FLAG242bffe21 [2024-12-02 10:12:04,886 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 10:12:04,887 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ac47539-bc72-4f8b-b5b5-117d8399a3eb/sv-benchmarks/c/float-benchs/interpolation2.c.v+cfa-reducer.c [2024-12-02 10:12:04,894 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ac47539-bc72-4f8b-b5b5-117d8399a3eb/bin/uautomizer-verify-84ZbGMXZE1/data/e2a6129df/862f82a8a457457f86cf9137718cbcd9/FLAG242bffe21 [2024-12-02 10:12:05,243 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ac47539-bc72-4f8b-b5b5-117d8399a3eb/bin/uautomizer-verify-84ZbGMXZE1/data/e2a6129df/862f82a8a457457f86cf9137718cbcd9 [2024-12-02 10:12:05,245 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 10:12:05,245 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 10:12:05,246 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 10:12:05,246 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 10:12:05,250 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 10:12:05,251 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:12:05" (1/1) ... [2024-12-02 10:12:05,251 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78336c97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:12:05, skipping insertion in model container [2024-12-02 10:12:05,251 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:12:05" (1/1) ... [2024-12-02 10:12:05,265 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 10:12:05,406 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 10:12:05,415 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 10:12:05,438 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 10:12:05,453 INFO L204 MainTranslator]: Completed translation [2024-12-02 10:12:05,453 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:12:05 WrapperNode [2024-12-02 10:12:05,453 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 10:12:05,454 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 10:12:05,454 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 10:12:05,454 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 10:12:05,461 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:12:05" (1/1) ... [2024-12-02 10:12:05,468 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:12:05" (1/1) ... [2024-12-02 10:12:05,486 INFO L138 Inliner]: procedures = 18, calls = 64, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 153 [2024-12-02 10:12:05,486 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 10:12:05,487 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 10:12:05,487 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 10:12:05,487 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 10:12:05,496 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:12:05" (1/1) ... [2024-12-02 10:12:05,496 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:12:05" (1/1) ... [2024-12-02 10:12:05,498 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:12:05" (1/1) ... [2024-12-02 10:12:05,511 INFO L175 MemorySlicer]: Split 30 memory accesses to 5 slices as follows [2, 8, 6, 8, 6]. 27 percent of accesses are in the largest equivalence class. The 22 initializations are split as follows [2, 5, 5, 5, 5]. The 0 writes are split as follows [0, 0, 0, 0, 0]. [2024-12-02 10:12:05,511 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:12:05" (1/1) ... [2024-12-02 10:12:05,511 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:12:05" (1/1) ... [2024-12-02 10:12:05,518 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:12:05" (1/1) ... [2024-12-02 10:12:05,519 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:12:05" (1/1) ... [2024-12-02 10:12:05,521 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:12:05" (1/1) ... [2024-12-02 10:12:05,522 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:12:05" (1/1) ... [2024-12-02 10:12:05,523 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:12:05" (1/1) ... [2024-12-02 10:12:05,525 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 10:12:05,526 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 10:12:05,527 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 10:12:05,527 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 10:12:05,528 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:12:05" (1/1) ... [2024-12-02 10:12:05,533 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 10:12:05,546 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ac47539-bc72-4f8b-b5b5-117d8399a3eb/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:12:05,558 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ac47539-bc72-4f8b-b5b5-117d8399a3eb/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 10:12:05,561 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ac47539-bc72-4f8b-b5b5-117d8399a3eb/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 10:12:05,587 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 10:12:05,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 10:12:05,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-12-02 10:12:05,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-12-02 10:12:05,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-12-02 10:12:05,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-12-02 10:12:05,588 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-02 10:12:05,588 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2024-12-02 10:12:05,588 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2024-12-02 10:12:05,588 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2024-12-02 10:12:05,588 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2024-12-02 10:12:05,588 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2024-12-02 10:12:05,588 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 10:12:05,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 10:12:05,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2024-12-02 10:12:05,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2024-12-02 10:12:05,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#2 [2024-12-02 10:12:05,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#3 [2024-12-02 10:12:05,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#4 [2024-12-02 10:12:05,589 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-02 10:12:05,659 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 10:12:05,661 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 10:12:05,786 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-12-02 10:12:05,786 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 10:12:05,793 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 10:12:05,793 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-02 10:12:05,794 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:12:05 BoogieIcfgContainer [2024-12-02 10:12:05,794 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 10:12:05,796 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 10:12:05,796 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 10:12:05,800 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 10:12:05,800 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 10:12:05" (1/3) ... [2024-12-02 10:12:05,800 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6512defd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 10:12:05, skipping insertion in model container [2024-12-02 10:12:05,800 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:12:05" (2/3) ... [2024-12-02 10:12:05,800 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6512defd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 10:12:05, skipping insertion in model container [2024-12-02 10:12:05,801 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:12:05" (3/3) ... [2024-12-02 10:12:05,802 INFO L128 eAbstractionObserver]: Analyzing ICFG interpolation2.c.v+cfa-reducer.c [2024-12-02 10:12:05,813 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 10:12:05,814 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG interpolation2.c.v+cfa-reducer.c that has 1 procedures, 21 locations, 1 initial locations, 0 loop locations, and 2 error locations. [2024-12-02 10:12:05,855 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 10:12:05,866 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@56b726f2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 10:12:05,866 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-12-02 10:12:05,869 INFO L276 IsEmpty]: Start isEmpty. Operand has 21 states, 18 states have (on average 1.5555555555555556) internal successors, (28), 20 states have internal predecessors, (28), 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) [2024-12-02 10:12:05,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-02 10:12:05,874 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:12:05,874 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:12:05,875 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-12-02 10:12:05,879 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:12:05,879 INFO L85 PathProgramCache]: Analyzing trace with hash 118430315, now seen corresponding path program 1 times [2024-12-02 10:12:05,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:12:05,886 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1489475027] [2024-12-02 10:12:05,886 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:12:05,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:12:05,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:12:06,074 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 10:12:06,074 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:12:06,074 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1489475027] [2024-12-02 10:12:06,075 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1489475027] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:12:06,075 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:12:06,075 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 10:12:06,077 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [829070069] [2024-12-02 10:12:06,077 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:12:06,081 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 10:12:06,082 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:12:06,099 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 10:12:06,099 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:12:06,100 INFO L87 Difference]: Start difference. First operand has 21 states, 18 states have (on average 1.5555555555555556) internal successors, (28), 20 states have internal predecessors, (28), 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, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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) [2024-12-02 10:12:06,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:12:06,143 INFO L93 Difference]: Finished difference Result 43 states and 57 transitions. [2024-12-02 10:12:06,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 10:12:06,145 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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) Word has length 8 [2024-12-02 10:12:06,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:12:06,150 INFO L225 Difference]: With dead ends: 43 [2024-12-02 10:12:06,150 INFO L226 Difference]: Without dead ends: 15 [2024-12-02 10:12:06,152 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:12:06,154 INFO L435 NwaCegarLoop]: 24 mSDtfsCounter, 10 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 41 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 10:12:06,155 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 41 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 10:12:06,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2024-12-02 10:12:06,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2024-12-02 10:12:06,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 14 states have internal predecessors, (15), 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) [2024-12-02 10:12:06,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2024-12-02 10:12:06,178 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 15 transitions. Word has length 8 [2024-12-02 10:12:06,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:12:06,178 INFO L471 AbstractCegarLoop]: Abstraction has 15 states and 15 transitions. [2024-12-02 10:12:06,179 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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) [2024-12-02 10:12:06,179 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2024-12-02 10:12:06,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-02 10:12:06,179 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:12:06,179 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:12:06,179 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-02 10:12:06,180 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-12-02 10:12:06,180 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:12:06,180 INFO L85 PathProgramCache]: Analyzing trace with hash 1543085965, now seen corresponding path program 1 times [2024-12-02 10:12:06,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:12:06,181 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1559782007] [2024-12-02 10:12:06,181 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:12:06,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:12:06,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:12:06,300 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 10:12:06,300 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:12:06,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1559782007] [2024-12-02 10:12:06,301 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1559782007] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 10:12:06,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [643412039] [2024-12-02 10:12:06,301 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:12:06,301 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 10:12:06,301 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ac47539-bc72-4f8b-b5b5-117d8399a3eb/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:12:06,303 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ac47539-bc72-4f8b-b5b5-117d8399a3eb/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 10:12:06,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ac47539-bc72-4f8b-b5b5-117d8399a3eb/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 10:12:06,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:12:06,380 INFO L256 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 10:12:06,384 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 10:12:06,429 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 10:12:06,430 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 10:12:06,430 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [643412039] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:12:06,430 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 10:12:06,430 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2024-12-02 10:12:06,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [826819210] [2024-12-02 10:12:06,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:12:06,431 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 10:12:06,431 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:12:06,432 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 10:12:06,432 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-12-02 10:12:06,432 INFO L87 Difference]: Start difference. First operand 15 states and 15 transitions. Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 10:12:06,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:12:06,457 INFO L93 Difference]: Finished difference Result 15 states and 15 transitions. [2024-12-02 10:12:06,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 10:12:06,458 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2024-12-02 10:12:06,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:12:06,458 INFO L225 Difference]: With dead ends: 15 [2024-12-02 10:12:06,459 INFO L226 Difference]: Without dead ends: 14 [2024-12-02 10:12:06,459 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-12-02 10:12:06,459 INFO L435 NwaCegarLoop]: 7 mSDtfsCounter, 1 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 10:12:06,460 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 11 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 10:12:06,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2024-12-02 10:12:06,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2024-12-02 10:12:06,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 13 states have (on average 1.0769230769230769) internal successors, (14), 13 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 10:12:06,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 14 transitions. [2024-12-02 10:12:06,462 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 14 transitions. Word has length 12 [2024-12-02 10:12:06,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:12:06,463 INFO L471 AbstractCegarLoop]: Abstraction has 14 states and 14 transitions. [2024-12-02 10:12:06,463 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 10:12:06,463 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 14 transitions. [2024-12-02 10:12:06,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-02 10:12:06,463 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:12:06,463 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:12:06,469 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ac47539-bc72-4f8b-b5b5-117d8399a3eb/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 10:12:06,664 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ac47539-bc72-4f8b-b5b5-117d8399a3eb/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 10:12:06,664 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-12-02 10:12:06,665 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:12:06,665 INFO L85 PathProgramCache]: Analyzing trace with hash 591024736, now seen corresponding path program 1 times [2024-12-02 10:12:06,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:12:06,665 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2106775660] [2024-12-02 10:12:06,665 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:12:06,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:12:06,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:12:06,744 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 10:12:06,745 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:12:06,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2106775660] [2024-12-02 10:12:06,745 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2106775660] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 10:12:06,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1438013128] [2024-12-02 10:12:06,745 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:12:06,745 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 10:12:06,745 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ac47539-bc72-4f8b-b5b5-117d8399a3eb/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:12:06,747 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ac47539-bc72-4f8b-b5b5-117d8399a3eb/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 10:12:06,748 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ac47539-bc72-4f8b-b5b5-117d8399a3eb/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-02 10:12:06,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:12:06,810 INFO L256 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 10:12:06,811 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 10:12:06,835 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 10:12:06,835 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 10:12:06,867 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 10:12:06,867 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1438013128] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 10:12:06,867 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 10:12:06,868 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-12-02 10:12:06,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1448961485] [2024-12-02 10:12:06,868 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 10:12:06,868 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 10:12:06,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:12:06,869 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 10:12:06,869 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-12-02 10:12:06,869 INFO L87 Difference]: Start difference. First operand 14 states and 14 transitions. Second operand has 7 states, 6 states have (on average 4.5) internal successors, (27), 7 states have internal predecessors, (27), 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) [2024-12-02 10:12:06,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:12:06,900 INFO L93 Difference]: Finished difference Result 19 states and 20 transitions. [2024-12-02 10:12:06,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 10:12:06,900 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 4.5) internal successors, (27), 7 states have internal predecessors, (27), 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) Word has length 13 [2024-12-02 10:12:06,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:12:06,901 INFO L225 Difference]: With dead ends: 19 [2024-12-02 10:12:06,901 INFO L226 Difference]: Without dead ends: 0 [2024-12-02 10:12:06,901 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-12-02 10:12:06,902 INFO L435 NwaCegarLoop]: 6 mSDtfsCounter, 0 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 10:12:06,902 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 15 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 10:12:06,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-12-02 10:12:06,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-12-02 10:12:06,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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) [2024-12-02 10:12:06,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-12-02 10:12:06,903 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 13 [2024-12-02 10:12:06,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:12:06,903 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-12-02 10:12:06,903 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 4.5) internal successors, (27), 7 states have internal predecessors, (27), 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) [2024-12-02 10:12:06,904 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-12-02 10:12:06,904 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-02 10:12:06,906 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-12-02 10:12:06,906 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-12-02 10:12:06,915 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ac47539-bc72-4f8b-b5b5-117d8399a3eb/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-12-02 10:12:07,107 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ac47539-bc72-4f8b-b5b5-117d8399a3eb/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 10:12:07,109 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-12-02 10:12:07,110 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-12-02 10:12:07,115 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 10:12:07,120 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 10:12:07 BoogieIcfgContainer [2024-12-02 10:12:07,120 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 10:12:07,120 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 10:12:07,120 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 10:12:07,120 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 10:12:07,121 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:12:05" (3/4) ... [2024-12-02 10:12:07,122 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-02 10:12:07,127 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2024-12-02 10:12:07,128 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-12-02 10:12:07,128 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-12-02 10:12:07,128 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-02 10:12:07,191 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ac47539-bc72-4f8b-b5b5-117d8399a3eb/bin/uautomizer-verify-84ZbGMXZE1/witness.graphml [2024-12-02 10:12:07,191 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ac47539-bc72-4f8b-b5b5-117d8399a3eb/bin/uautomizer-verify-84ZbGMXZE1/witness.yml [2024-12-02 10:12:07,192 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 10:12:07,192 INFO L158 Benchmark]: Toolchain (without parser) took 1946.70ms. Allocated memory is still 117.4MB. Free memory was 92.0MB in the beginning and 57.1MB in the end (delta: 34.9MB). Peak memory consumption was 38.7MB. Max. memory is 16.1GB. [2024-12-02 10:12:07,193 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 117.4MB. Free memory is still 72.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 10:12:07,193 INFO L158 Benchmark]: CACSL2BoogieTranslator took 207.34ms. Allocated memory is still 117.4MB. Free memory was 92.0MB in the beginning and 80.5MB in the end (delta: 11.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 10:12:07,193 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.78ms. Allocated memory is still 117.4MB. Free memory was 80.5MB in the beginning and 79.1MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 10:12:07,193 INFO L158 Benchmark]: Boogie Preprocessor took 38.98ms. Allocated memory is still 117.4MB. Free memory was 79.1MB in the beginning and 77.2MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 10:12:07,194 INFO L158 Benchmark]: RCFGBuilder took 267.55ms. Allocated memory is still 117.4MB. Free memory was 77.2MB in the beginning and 64.4MB in the end (delta: 12.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 10:12:07,194 INFO L158 Benchmark]: TraceAbstraction took 1323.96ms. Allocated memory is still 117.4MB. Free memory was 63.6MB in the beginning and 62.3MB in the end (delta: 1.3MB). Peak memory consumption was 5.2MB. Max. memory is 16.1GB. [2024-12-02 10:12:07,194 INFO L158 Benchmark]: Witness Printer took 71.44ms. Allocated memory is still 117.4MB. Free memory was 62.3MB in the beginning and 57.1MB in the end (delta: 5.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 10:12:07,195 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 117.4MB. Free memory is still 72.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 207.34ms. Allocated memory is still 117.4MB. Free memory was 92.0MB in the beginning and 80.5MB in the end (delta: 11.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.78ms. Allocated memory is still 117.4MB. Free memory was 80.5MB in the beginning and 79.1MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.98ms. Allocated memory is still 117.4MB. Free memory was 79.1MB in the beginning and 77.2MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 267.55ms. Allocated memory is still 117.4MB. Free memory was 77.2MB in the beginning and 64.4MB in the end (delta: 12.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1323.96ms. Allocated memory is still 117.4MB. Free memory was 63.6MB in the beginning and 62.3MB in the end (delta: 1.3MB). Peak memory consumption was 5.2MB. Max. memory is 16.1GB. * Witness Printer took 71.44ms. Allocated memory is still 117.4MB. Free memory was 62.3MB in the beginning and 57.1MB in the end (delta: 5.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 77]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 77]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 21 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 3, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 11 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 11 mSDsluCounter, 67 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 30 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 39 IncrementalHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 37 mSDtfsCounter, 39 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 43 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=21occurred in iteration=0, InterpolantAutomatonStates: 13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 58 NumberOfCodeBlocks, 58 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 65 ConstructedInterpolants, 0 QuantifiedInterpolants, 147 SizeOfPredicates, 0 NumberOfNonLiveVariables, 183 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 6 InterpolantComputations, 2 PerfectInterpolantSequences, 3/18 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-12-02 10:12:07,206 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ac47539-bc72-4f8b-b5b5-117d8399a3eb/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE