./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_21_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- 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_d923d207-1573-42a4-936a-2215f31a0c66/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d923d207-1573-42a4-936a-2215f31a0c66/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_d923d207-1573-42a4-936a-2215f31a0c66/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d923d207-1573-42a4-936a-2215f31a0c66/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_21_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d923d207-1573-42a4-936a-2215f31a0c66/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d923d207-1573-42a4-936a-2215f31a0c66/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 64bit --witnessprinter.graph.data.programhash 9c4dbc09c2ea8c45dda5d199b6041d4b1b9e3a26e2e22f53ea4e5914c7976ed3 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 05:54:53,480 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 05:54:53,540 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d923d207-1573-42a4-936a-2215f31a0c66/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-12-02 05:54:53,545 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 05:54:53,545 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 05:54:53,567 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 05:54:53,567 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 05:54:53,567 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 05:54:53,568 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 05:54:53,568 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 05:54:53,568 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 05:54:53,568 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 05:54:53,568 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 05:54:53,569 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 05:54:53,569 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 05:54:53,569 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 05:54:53,569 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 05:54:53,569 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 05:54:53,569 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 05:54:53,569 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 05:54:53,569 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 05:54:53,569 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 05:54:53,569 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-02 05:54:53,569 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-02 05:54:53,570 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 05:54:53,570 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 05:54:53,570 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 05:54:53,570 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 05:54:53,570 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 05:54:53,570 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 05:54:53,570 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 05:54:53,570 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 05:54:53,570 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 05:54:53,570 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 05:54:53,570 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 05:54:53,571 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 05:54:53,571 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 05:54:53,571 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 05:54:53,571 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 05:54:53,571 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 05:54:53,571 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 05:54:53,571 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 05:54:53,571 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 05:54:53,571 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 05:54:53,571 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 05:54:53,571 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 05:54:53,572 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 05:54:53,572 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_d923d207-1573-42a4-936a-2215f31a0c66/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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9c4dbc09c2ea8c45dda5d199b6041d4b1b9e3a26e2e22f53ea4e5914c7976ed3 [2024-12-02 05:54:53,817 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 05:54:53,824 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 05:54:53,826 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 05:54:53,827 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 05:54:53,827 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 05:54:53,829 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d923d207-1573-42a4-936a-2215f31a0c66/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_21_good.i [2024-12-02 05:54:56,493 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d923d207-1573-42a4-936a-2215f31a0c66/bin/uautomizer-verify-84ZbGMXZE1/data/1ab644562/244b0a2e226841e098d2fd180b715478/FLAG867690472 [2024-12-02 05:54:56,826 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 05:54:56,827 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d923d207-1573-42a4-936a-2215f31a0c66/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_21_good.i [2024-12-02 05:54:56,849 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d923d207-1573-42a4-936a-2215f31a0c66/bin/uautomizer-verify-84ZbGMXZE1/data/1ab644562/244b0a2e226841e098d2fd180b715478/FLAG867690472 [2024-12-02 05:54:57,074 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d923d207-1573-42a4-936a-2215f31a0c66/bin/uautomizer-verify-84ZbGMXZE1/data/1ab644562/244b0a2e226841e098d2fd180b715478 [2024-12-02 05:54:57,076 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 05:54:57,077 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 05:54:57,078 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 05:54:57,078 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 05:54:57,082 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 05:54:57,083 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:54:57" (1/1) ... [2024-12-02 05:54:57,083 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52fe9b3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:54:57, skipping insertion in model container [2024-12-02 05:54:57,084 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:54:57" (1/1) ... [2024-12-02 05:54:57,118 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 05:54:57,812 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 05:54:57,819 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 05:54:57,900 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 05:54:57,997 INFO L204 MainTranslator]: Completed translation [2024-12-02 05:54:57,997 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:54:57 WrapperNode [2024-12-02 05:54:57,997 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 05:54:57,998 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 05:54:57,998 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 05:54:57,998 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 05:54:58,010 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:54:57" (1/1) ... [2024-12-02 05:54:58,027 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:54:57" (1/1) ... [2024-12-02 05:54:58,045 INFO L138 Inliner]: procedures = 504, calls = 45, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 124 [2024-12-02 05:54:58,046 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 05:54:58,046 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 05:54:58,046 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 05:54:58,047 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 05:54:58,053 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:54:57" (1/1) ... [2024-12-02 05:54:58,054 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:54:57" (1/1) ... [2024-12-02 05:54:58,056 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:54:57" (1/1) ... [2024-12-02 05:54:58,071 INFO L175 MemorySlicer]: Split 2 memory accesses to 2 slices as follows [1, 1]. 50 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [1, 1]. The 0 writes are split as follows [0, 0]. [2024-12-02 05:54:58,071 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:54:57" (1/1) ... [2024-12-02 05:54:58,071 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:54:57" (1/1) ... [2024-12-02 05:54:58,076 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:54:57" (1/1) ... [2024-12-02 05:54:58,077 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:54:57" (1/1) ... [2024-12-02 05:54:58,079 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:54:57" (1/1) ... [2024-12-02 05:54:58,080 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:54:57" (1/1) ... [2024-12-02 05:54:58,081 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:54:57" (1/1) ... [2024-12-02 05:54:58,083 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 05:54:58,084 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 05:54:58,084 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 05:54:58,084 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 05:54:58,085 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:54:57" (1/1) ... [2024-12-02 05:54:58,090 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 05:54:58,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d923d207-1573-42a4-936a-2215f31a0c66/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 05:54:58,110 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d923d207-1573-42a4-936a-2215f31a0c66/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 05:54:58,112 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d923d207-1573-42a4-936a-2215f31a0c66/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 05:54:58,132 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2024-12-02 05:54:58,132 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2024-12-02 05:54:58,132 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-02 05:54:58,132 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-02 05:54:58,132 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 05:54:58,132 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 05:54:58,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 05:54:58,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 05:54:58,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-12-02 05:54:58,239 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 05:54:58,241 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 05:54:58,399 INFO L? ?]: Removed 36 outVars from TransFormulas that were not future-live. [2024-12-02 05:54:58,399 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 05:54:58,408 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 05:54:58,408 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-02 05:54:58,408 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:54:58 BoogieIcfgContainer [2024-12-02 05:54:58,409 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 05:54:58,411 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 05:54:58,411 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 05:54:58,415 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 05:54:58,415 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 05:54:57" (1/3) ... [2024-12-02 05:54:58,416 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@374089e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:54:58, skipping insertion in model container [2024-12-02 05:54:58,416 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:54:57" (2/3) ... [2024-12-02 05:54:58,416 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@374089e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:54:58, skipping insertion in model container [2024-12-02 05:54:58,416 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:54:58" (3/3) ... [2024-12-02 05:54:58,417 INFO L128 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fgets_multiply_21_good.i [2024-12-02 05:54:58,428 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 05:54:58,430 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG CWE191_Integer_Underflow__int_fgets_multiply_21_good.i that has 3 procedures, 58 locations, 1 initial locations, 0 loop locations, and 6 error locations. [2024-12-02 05:54:58,476 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 05:54:58,486 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;@2a6b8438, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 05:54:58,486 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-12-02 05:54:58,489 INFO L276 IsEmpty]: Start isEmpty. Operand has 58 states, 39 states have (on average 1.435897435897436) internal successors, (56), 50 states have internal predecessors, (56), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2024-12-02 05:54:58,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-02 05:54:58,495 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:54:58,496 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 05:54:58,496 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-12-02 05:54:58,500 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:54:58,501 INFO L85 PathProgramCache]: Analyzing trace with hash -820548649, now seen corresponding path program 1 times [2024-12-02 05:54:58,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:54:58,508 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [850592370] [2024-12-02 05:54:58,509 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:54:58,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:54:58,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:54:58,724 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 05:54:58,724 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 05:54:58,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [850592370] [2024-12-02 05:54:58,725 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [850592370] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 05:54:58,725 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 05:54:58,725 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 05:54:58,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1725601626] [2024-12-02 05:54:58,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:54:58,731 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 05:54:58,731 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 05:54:58,746 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 05:54:58,746 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 05:54:58,748 INFO L87 Difference]: Start difference. First operand has 58 states, 39 states have (on average 1.435897435897436) internal successors, (56), 50 states have internal predecessors, (56), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-12-02 05:54:58,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:54:58,783 INFO L93 Difference]: Finished difference Result 58 states and 76 transitions. [2024-12-02 05:54:58,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 05:54:58,785 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 14 [2024-12-02 05:54:58,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:54:58,790 INFO L225 Difference]: With dead ends: 58 [2024-12-02 05:54:58,791 INFO L226 Difference]: Without dead ends: 47 [2024-12-02 05:54:58,792 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 05:54:58,794 INFO L435 NwaCegarLoop]: 72 mSDtfsCounter, 1 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 138 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 05:54:58,795 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 138 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 05:54:58,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2024-12-02 05:54:58,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2024-12-02 05:54:58,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 32 states have (on average 1.40625) internal successors, (45), 41 states have internal predecessors, (45), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2024-12-02 05:54:58,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 61 transitions. [2024-12-02 05:54:58,824 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 61 transitions. Word has length 14 [2024-12-02 05:54:58,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:54:58,825 INFO L471 AbstractCegarLoop]: Abstraction has 47 states and 61 transitions. [2024-12-02 05:54:58,825 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-12-02 05:54:58,825 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 61 transitions. [2024-12-02 05:54:58,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-02 05:54:58,826 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:54:58,826 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 05:54:58,827 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-02 05:54:58,827 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-12-02 05:54:58,827 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:54:58,828 INFO L85 PathProgramCache]: Analyzing trace with hash 332795725, now seen corresponding path program 1 times [2024-12-02 05:54:58,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:54:58,828 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [999037471] [2024-12-02 05:54:58,828 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:54:58,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:54:58,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:54:58,911 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 05:54:58,911 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 05:54:58,911 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [999037471] [2024-12-02 05:54:58,912 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [999037471] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 05:54:58,912 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 05:54:58,912 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 05:54:58,912 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2028427315] [2024-12-02 05:54:58,912 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:54:58,913 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 05:54:58,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 05:54:58,913 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 05:54:58,913 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 05:54:58,914 INFO L87 Difference]: Start difference. First operand 47 states and 61 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-12-02 05:54:58,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:54:58,931 INFO L93 Difference]: Finished difference Result 47 states and 61 transitions. [2024-12-02 05:54:58,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 05:54:58,932 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 15 [2024-12-02 05:54:58,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:54:58,933 INFO L225 Difference]: With dead ends: 47 [2024-12-02 05:54:58,933 INFO L226 Difference]: Without dead ends: 46 [2024-12-02 05:54:58,933 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 05:54:58,934 INFO L435 NwaCegarLoop]: 56 mSDtfsCounter, 0 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 108 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 05:54:58,934 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 108 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 05:54:58,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2024-12-02 05:54:58,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2024-12-02 05:54:58,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 32 states have (on average 1.375) internal successors, (44), 40 states have internal predecessors, (44), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2024-12-02 05:54:58,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 60 transitions. [2024-12-02 05:54:58,940 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 60 transitions. Word has length 15 [2024-12-02 05:54:58,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:54:58,941 INFO L471 AbstractCegarLoop]: Abstraction has 46 states and 60 transitions. [2024-12-02 05:54:58,941 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-12-02 05:54:58,941 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 60 transitions. [2024-12-02 05:54:58,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-12-02 05:54:58,942 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:54:58,942 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 05:54:58,942 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 05:54:58,942 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-12-02 05:54:58,955 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:54:58,955 INFO L85 PathProgramCache]: Analyzing trace with hash 1602632720, now seen corresponding path program 1 times [2024-12-02 05:54:58,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:54:58,955 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1539256301] [2024-12-02 05:54:58,955 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:54:58,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:54:58,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:54:59,034 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 05:54:59,034 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 05:54:59,034 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1539256301] [2024-12-02 05:54:59,034 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1539256301] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 05:54:59,035 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 05:54:59,035 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 05:54:59,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [609775777] [2024-12-02 05:54:59,035 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:54:59,035 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 05:54:59,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 05:54:59,036 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 05:54:59,036 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 05:54:59,036 INFO L87 Difference]: Start difference. First operand 46 states and 60 transitions. Second operand has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-12-02 05:54:59,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:54:59,057 INFO L93 Difference]: Finished difference Result 46 states and 60 transitions. [2024-12-02 05:54:59,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 05:54:59,057 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 20 [2024-12-02 05:54:59,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:54:59,058 INFO L225 Difference]: With dead ends: 46 [2024-12-02 05:54:59,058 INFO L226 Difference]: Without dead ends: 45 [2024-12-02 05:54:59,058 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 05:54:59,059 INFO L435 NwaCegarLoop]: 56 mSDtfsCounter, 1 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 106 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 05:54:59,060 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 106 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 05:54:59,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2024-12-02 05:54:59,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2024-12-02 05:54:59,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 32 states have (on average 1.34375) internal successors, (43), 39 states have internal predecessors, (43), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2024-12-02 05:54:59,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 59 transitions. [2024-12-02 05:54:59,066 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 59 transitions. Word has length 20 [2024-12-02 05:54:59,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:54:59,066 INFO L471 AbstractCegarLoop]: Abstraction has 45 states and 59 transitions. [2024-12-02 05:54:59,067 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-12-02 05:54:59,067 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 59 transitions. [2024-12-02 05:54:59,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-12-02 05:54:59,068 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:54:59,068 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 05:54:59,068 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 05:54:59,068 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-12-02 05:54:59,069 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:54:59,069 INFO L85 PathProgramCache]: Analyzing trace with hash -1857993131, now seen corresponding path program 1 times [2024-12-02 05:54:59,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:54:59,069 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [871642738] [2024-12-02 05:54:59,069 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:54:59,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:54:59,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:54:59,134 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 05:54:59,135 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 05:54:59,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [871642738] [2024-12-02 05:54:59,135 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [871642738] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 05:54:59,135 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 05:54:59,135 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 05:54:59,135 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [214652085] [2024-12-02 05:54:59,135 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:54:59,135 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 05:54:59,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 05:54:59,136 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 05:54:59,136 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 05:54:59,136 INFO L87 Difference]: Start difference. First operand 45 states and 59 transitions. Second operand has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-12-02 05:54:59,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:54:59,153 INFO L93 Difference]: Finished difference Result 45 states and 59 transitions. [2024-12-02 05:54:59,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 05:54:59,154 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 21 [2024-12-02 05:54:59,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:54:59,155 INFO L225 Difference]: With dead ends: 45 [2024-12-02 05:54:59,155 INFO L226 Difference]: Without dead ends: 44 [2024-12-02 05:54:59,155 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 05:54:59,156 INFO L435 NwaCegarLoop]: 54 mSDtfsCounter, 0 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 104 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 05:54:59,156 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 104 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 05:54:59,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2024-12-02 05:54:59,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2024-12-02 05:54:59,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 32 states have (on average 1.3125) internal successors, (42), 38 states have internal predecessors, (42), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2024-12-02 05:54:59,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 58 transitions. [2024-12-02 05:54:59,162 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 58 transitions. Word has length 21 [2024-12-02 05:54:59,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:54:59,162 INFO L471 AbstractCegarLoop]: Abstraction has 44 states and 58 transitions. [2024-12-02 05:54:59,162 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-12-02 05:54:59,163 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 58 transitions. [2024-12-02 05:54:59,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-02 05:54:59,163 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:54:59,163 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 05:54:59,164 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 05:54:59,164 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-12-02 05:54:59,164 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:54:59,164 INFO L85 PathProgramCache]: Analyzing trace with hash -1142943598, now seen corresponding path program 1 times [2024-12-02 05:54:59,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:54:59,164 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1724536290] [2024-12-02 05:54:59,165 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:54:59,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:54:59,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:54:59,226 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 05:54:59,226 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 05:54:59,226 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1724536290] [2024-12-02 05:54:59,226 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1724536290] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 05:54:59,226 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 05:54:59,227 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 05:54:59,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2120614925] [2024-12-02 05:54:59,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:54:59,227 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 05:54:59,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 05:54:59,227 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 05:54:59,228 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 05:54:59,228 INFO L87 Difference]: Start difference. First operand 44 states and 58 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-12-02 05:54:59,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:54:59,241 INFO L93 Difference]: Finished difference Result 59 states and 71 transitions. [2024-12-02 05:54:59,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 05:54:59,242 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 22 [2024-12-02 05:54:59,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:54:59,243 INFO L225 Difference]: With dead ends: 59 [2024-12-02 05:54:59,243 INFO L226 Difference]: Without dead ends: 51 [2024-12-02 05:54:59,243 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 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 05:54:59,244 INFO L435 NwaCegarLoop]: 62 mSDtfsCounter, 25 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 98 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 05:54:59,244 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 98 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 05:54:59,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2024-12-02 05:54:59,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2024-12-02 05:54:59,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 37 states have (on average 1.2702702702702702) internal successors, (47), 43 states have internal predecessors, (47), 8 states have call successors, (8), 4 states have call predecessors, (8), 4 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2024-12-02 05:54:59,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 63 transitions. [2024-12-02 05:54:59,251 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 63 transitions. Word has length 22 [2024-12-02 05:54:59,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:54:59,252 INFO L471 AbstractCegarLoop]: Abstraction has 51 states and 63 transitions. [2024-12-02 05:54:59,252 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-12-02 05:54:59,252 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 63 transitions. [2024-12-02 05:54:59,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-02 05:54:59,253 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:54:59,253 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 05:54:59,253 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-02 05:54:59,253 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-12-02 05:54:59,253 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:54:59,253 INFO L85 PathProgramCache]: Analyzing trace with hash 1620661018, now seen corresponding path program 1 times [2024-12-02 05:54:59,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:54:59,254 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [544362964] [2024-12-02 05:54:59,254 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:54:59,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:54:59,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:54:59,327 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 05:54:59,328 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 05:54:59,328 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [544362964] [2024-12-02 05:54:59,328 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [544362964] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 05:54:59,328 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 05:54:59,328 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 05:54:59,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1681143854] [2024-12-02 05:54:59,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:54:59,328 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 05:54:59,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 05:54:59,329 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 05:54:59,329 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 05:54:59,329 INFO L87 Difference]: Start difference. First operand 51 states and 63 transitions. Second operand has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-12-02 05:54:59,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:54:59,342 INFO L93 Difference]: Finished difference Result 51 states and 63 transitions. [2024-12-02 05:54:59,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 05:54:59,343 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 23 [2024-12-02 05:54:59,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:54:59,343 INFO L225 Difference]: With dead ends: 51 [2024-12-02 05:54:59,343 INFO L226 Difference]: Without dead ends: 50 [2024-12-02 05:54:59,344 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 05:54:59,344 INFO L435 NwaCegarLoop]: 53 mSDtfsCounter, 1 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 104 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 05:54:59,344 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 104 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 05:54:59,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2024-12-02 05:54:59,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2024-12-02 05:54:59,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 37 states have (on average 1.2432432432432432) internal successors, (46), 42 states have internal predecessors, (46), 8 states have call successors, (8), 4 states have call predecessors, (8), 4 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2024-12-02 05:54:59,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 62 transitions. [2024-12-02 05:54:59,350 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 62 transitions. Word has length 23 [2024-12-02 05:54:59,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:54:59,350 INFO L471 AbstractCegarLoop]: Abstraction has 50 states and 62 transitions. [2024-12-02 05:54:59,351 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-12-02 05:54:59,351 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 62 transitions. [2024-12-02 05:54:59,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-12-02 05:54:59,351 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:54:59,351 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 05:54:59,352 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-12-02 05:54:59,352 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-12-02 05:54:59,352 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:54:59,352 INFO L85 PathProgramCache]: Analyzing trace with hash -1299115868, now seen corresponding path program 1 times [2024-12-02 05:54:59,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:54:59,352 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1105783159] [2024-12-02 05:54:59,352 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:54:59,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:54:59,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:54:59,413 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 05:54:59,414 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 05:54:59,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1105783159] [2024-12-02 05:54:59,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1105783159] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 05:54:59,414 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 05:54:59,414 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 05:54:59,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [496217542] [2024-12-02 05:54:59,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:54:59,414 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 05:54:59,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 05:54:59,415 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 05:54:59,415 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 05:54:59,415 INFO L87 Difference]: Start difference. First operand 50 states and 62 transitions. Second operand has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-12-02 05:54:59,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:54:59,424 INFO L93 Difference]: Finished difference Result 50 states and 62 transitions. [2024-12-02 05:54:59,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 05:54:59,425 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 24 [2024-12-02 05:54:59,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:54:59,425 INFO L225 Difference]: With dead ends: 50 [2024-12-02 05:54:59,425 INFO L226 Difference]: Without dead ends: 0 [2024-12-02 05:54:59,425 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 05:54:59,426 INFO L435 NwaCegarLoop]: 53 mSDtfsCounter, 1 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 104 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 05:54:59,426 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 104 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 05:54:59,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-12-02 05:54:59,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-12-02 05:54:59,427 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 05:54:59,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-12-02 05:54:59,427 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2024-12-02 05:54:59,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:54:59,428 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-12-02 05:54:59,428 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-12-02 05:54:59,428 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-12-02 05:54:59,428 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-02 05:54:59,430 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 6 remaining) [2024-12-02 05:54:59,431 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 6 remaining) [2024-12-02 05:54:59,431 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 6 remaining) [2024-12-02 05:54:59,431 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 6 remaining) [2024-12-02 05:54:59,431 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 6 remaining) [2024-12-02 05:54:59,431 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 6 remaining) [2024-12-02 05:54:59,431 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-12-02 05:54:59,434 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2024-12-02 05:54:59,436 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-12-02 05:54:59,461 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 05:54:59,466 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 05:54:59 BoogieIcfgContainer [2024-12-02 05:54:59,466 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 05:54:59,467 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 05:54:59,467 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 05:54:59,467 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 05:54:59,467 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:54:58" (3/4) ... [2024-12-02 05:54:59,469 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-02 05:54:59,472 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2024-12-02 05:54:59,472 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2024-12-02 05:54:59,476 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2024-12-02 05:54:59,477 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2024-12-02 05:54:59,477 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-12-02 05:54:59,477 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-02 05:54:59,550 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d923d207-1573-42a4-936a-2215f31a0c66/bin/uautomizer-verify-84ZbGMXZE1/witness.graphml [2024-12-02 05:54:59,550 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d923d207-1573-42a4-936a-2215f31a0c66/bin/uautomizer-verify-84ZbGMXZE1/witness.yml [2024-12-02 05:54:59,550 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 05:54:59,551 INFO L158 Benchmark]: Toolchain (without parser) took 2474.27ms. Allocated memory is still 142.6MB. Free memory was 113.9MB in the beginning and 100.9MB in the end (delta: 13.0MB). Peak memory consumption was 16.9MB. Max. memory is 16.1GB. [2024-12-02 05:54:59,551 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 142.6MB. Free memory is still 82.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 05:54:59,552 INFO L158 Benchmark]: CACSL2BoogieTranslator took 919.62ms. Allocated memory is still 142.6MB. Free memory was 113.9MB in the beginning and 52.9MB in the end (delta: 61.0MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2024-12-02 05:54:59,552 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.90ms. Allocated memory is still 142.6MB. Free memory was 52.9MB in the beginning and 111.7MB in the end (delta: -58.8MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. [2024-12-02 05:54:59,552 INFO L158 Benchmark]: Boogie Preprocessor took 37.21ms. Allocated memory is still 142.6MB. Free memory was 111.7MB in the beginning and 109.5MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 05:54:59,552 INFO L158 Benchmark]: RCFGBuilder took 324.51ms. Allocated memory is still 142.6MB. Free memory was 109.5MB in the beginning and 93.1MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 05:54:59,553 INFO L158 Benchmark]: TraceAbstraction took 1055.62ms. Allocated memory is still 142.6MB. Free memory was 92.5MB in the beginning and 106.3MB in the end (delta: -13.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 05:54:59,553 INFO L158 Benchmark]: Witness Printer took 83.65ms. Allocated memory is still 142.6MB. Free memory was 106.3MB in the beginning and 100.9MB in the end (delta: 5.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 05:54:59,555 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 142.6MB. Free memory is still 82.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 919.62ms. Allocated memory is still 142.6MB. Free memory was 113.9MB in the beginning and 52.9MB in the end (delta: 61.0MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.90ms. Allocated memory is still 142.6MB. Free memory was 52.9MB in the beginning and 111.7MB in the end (delta: -58.8MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.21ms. Allocated memory is still 142.6MB. Free memory was 111.7MB in the beginning and 109.5MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 324.51ms. Allocated memory is still 142.6MB. Free memory was 109.5MB in the beginning and 93.1MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1055.62ms. Allocated memory is still 142.6MB. Free memory was 92.5MB in the beginning and 106.3MB in the end (delta: -13.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 83.65ms. Allocated memory is still 142.6MB. Free memory was 106.3MB in the beginning and 100.9MB in the end (delta: 5.4MB). 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: 1563]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1563]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1599]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1599]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1633]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1633]: 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 3 procedures, 58 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 29 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 29 mSDsluCounter, 762 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 356 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 46 IncrementalHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 406 mSDtfsCounter, 46 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 15 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=58occurred in iteration=0, InterpolantAutomatonStates: 21, 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, 7 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 139 NumberOfCodeBlocks, 139 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 132 ConstructedInterpolants, 0 QuantifiedInterpolants, 186 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 0/0 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 6 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-12-02 05:54:59,572 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d923d207-1573-42a4-936a-2215f31a0c66/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