./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_02_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_03204d1e-3b44-4d80-8a6c-074b1d463cc0/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03204d1e-3b44-4d80-8a6c-074b1d463cc0/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_03204d1e-3b44-4d80-8a6c-074b1d463cc0/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03204d1e-3b44-4d80-8a6c-074b1d463cc0/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_02_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03204d1e-3b44-4d80-8a6c-074b1d463cc0/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_03204d1e-3b44-4d80-8a6c-074b1d463cc0/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 1f559306dde9e0f81ad1b6d04a0ff16acd34bbdfad43636c912840e6a58039f5 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 11:54:20,752 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 11:54:20,805 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03204d1e-3b44-4d80-8a6c-074b1d463cc0/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-12-02 11:54:20,810 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 11:54:20,810 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 11:54:20,831 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 11:54:20,832 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 11:54:20,832 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 11:54:20,832 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 11:54:20,833 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 11:54:20,833 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 11:54:20,833 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 11:54:20,833 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 11:54:20,833 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 11:54:20,833 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 11:54:20,833 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 11:54:20,834 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 11:54:20,834 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 11:54:20,834 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 11:54:20,834 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 11:54:20,834 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 11:54:20,834 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 11:54:20,834 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-02 11:54:20,834 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-02 11:54:20,834 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 11:54:20,834 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 11:54:20,834 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 11:54:20,835 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 11:54:20,835 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 11:54:20,835 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 11:54:20,835 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 11:54:20,835 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 11:54:20,835 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 11:54:20,835 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 11:54:20,835 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 11:54:20,835 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 11:54:20,835 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 11:54:20,836 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 11:54:20,836 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 11:54:20,836 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 11:54:20,836 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 11:54:20,836 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 11:54:20,836 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 11:54:20,836 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 11:54:20,836 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 11:54:20,836 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 11:54:20,836 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 11:54:20,837 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_03204d1e-3b44-4d80-8a6c-074b1d463cc0/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 -> 1f559306dde9e0f81ad1b6d04a0ff16acd34bbdfad43636c912840e6a58039f5 [2024-12-02 11:54:21,071 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 11:54:21,079 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 11:54:21,081 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 11:54:21,082 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 11:54:21,083 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 11:54:21,084 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03204d1e-3b44-4d80-8a6c-074b1d463cc0/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_02_good.i [2024-12-02 11:54:23,712 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03204d1e-3b44-4d80-8a6c-074b1d463cc0/bin/uautomizer-verify-84ZbGMXZE1/data/5c893cda3/2d1ec93ec40d40339a591c50195133e3/FLAG2f56d8071 [2024-12-02 11:54:23,988 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 11:54:23,989 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03204d1e-3b44-4d80-8a6c-074b1d463cc0/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_02_good.i [2024-12-02 11:54:24,010 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03204d1e-3b44-4d80-8a6c-074b1d463cc0/bin/uautomizer-verify-84ZbGMXZE1/data/5c893cda3/2d1ec93ec40d40339a591c50195133e3/FLAG2f56d8071 [2024-12-02 11:54:24,255 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03204d1e-3b44-4d80-8a6c-074b1d463cc0/bin/uautomizer-verify-84ZbGMXZE1/data/5c893cda3/2d1ec93ec40d40339a591c50195133e3 [2024-12-02 11:54:24,256 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 11:54:24,257 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 11:54:24,258 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 11:54:24,258 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 11:54:24,261 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 11:54:24,262 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:54:24" (1/1) ... [2024-12-02 11:54:24,262 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6502bf52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:54:24, skipping insertion in model container [2024-12-02 11:54:24,262 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:54:24" (1/1) ... [2024-12-02 11:54:24,295 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 11:54:24,871 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 11:54:24,881 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 11:54:24,961 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 11:54:25,072 INFO L204 MainTranslator]: Completed translation [2024-12-02 11:54:25,073 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:54:25 WrapperNode [2024-12-02 11:54:25,073 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 11:54:25,074 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 11:54:25,074 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 11:54:25,074 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 11:54:25,080 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:54:25" (1/1) ... [2024-12-02 11:54:25,096 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:54:25" (1/1) ... [2024-12-02 11:54:25,113 INFO L138 Inliner]: procedures = 502, calls = 46, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 129 [2024-12-02 11:54:25,114 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 11:54:25,114 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 11:54:25,114 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 11:54:25,114 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 11:54:25,121 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:54:25" (1/1) ... [2024-12-02 11:54:25,122 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:54:25" (1/1) ... [2024-12-02 11:54:25,123 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:54:25" (1/1) ... [2024-12-02 11:54:25,133 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 11:54:25,133 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:54:25" (1/1) ... [2024-12-02 11:54:25,133 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:54:25" (1/1) ... [2024-12-02 11:54:25,136 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:54:25" (1/1) ... [2024-12-02 11:54:25,137 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:54:25" (1/1) ... [2024-12-02 11:54:25,138 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:54:25" (1/1) ... [2024-12-02 11:54:25,139 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:54:25" (1/1) ... [2024-12-02 11:54:25,140 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:54:25" (1/1) ... [2024-12-02 11:54:25,141 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 11:54:25,142 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 11:54:25,142 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 11:54:25,142 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 11:54:25,143 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:54:25" (1/1) ... [2024-12-02 11:54:25,146 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 11:54:25,156 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03204d1e-3b44-4d80-8a6c-074b1d463cc0/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 11:54:25,168 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03204d1e-3b44-4d80-8a6c-074b1d463cc0/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 11:54:25,170 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03204d1e-3b44-4d80-8a6c-074b1d463cc0/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 11:54:25,195 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2024-12-02 11:54:25,195 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2024-12-02 11:54:25,195 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-02 11:54:25,195 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-02 11:54:25,195 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 11:54:25,195 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 11:54:25,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 11:54:25,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 11:54:25,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-12-02 11:54:25,306 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 11:54:25,307 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 11:54:25,456 INFO L? ?]: Removed 34 outVars from TransFormulas that were not future-live. [2024-12-02 11:54:25,456 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 11:54:25,465 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 11:54:25,465 INFO L312 CfgBuilder]: Removed 6 assume(true) statements. [2024-12-02 11:54:25,465 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:54:25 BoogieIcfgContainer [2024-12-02 11:54:25,466 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 11:54:25,467 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 11:54:25,468 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 11:54:25,471 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 11:54:25,471 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 11:54:24" (1/3) ... [2024-12-02 11:54:25,472 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68c8c781 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 11:54:25, skipping insertion in model container [2024-12-02 11:54:25,472 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:54:25" (2/3) ... [2024-12-02 11:54:25,472 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68c8c781 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 11:54:25, skipping insertion in model container [2024-12-02 11:54:25,472 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:54:25" (3/3) ... [2024-12-02 11:54:25,473 INFO L128 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_multiply_02_good.i [2024-12-02 11:54:25,485 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 11:54:25,486 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG CWE190_Integer_Overflow__int_fgets_multiply_02_good.i that has 3 procedures, 66 locations, 1 initial locations, 0 loop locations, and 8 error locations. [2024-12-02 11:54:25,526 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 11:54:25,536 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;@47e3ef30, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 11:54:25,536 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-12-02 11:54:25,539 INFO L276 IsEmpty]: Start isEmpty. Operand has 66 states, 43 states have (on average 1.5813953488372092) internal successors, (68), 57 states have internal predecessors, (68), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 11 states have call predecessors, (12), 12 states have call successors, (12) [2024-12-02 11:54:25,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-02 11:54:25,543 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:54:25,544 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:54:25,544 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-12-02 11:54:25,547 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:54:25,548 INFO L85 PathProgramCache]: Analyzing trace with hash -1367123337, now seen corresponding path program 1 times [2024-12-02 11:54:25,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:54:25,553 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1315684151] [2024-12-02 11:54:25,553 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:54:25,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:54:25,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:54:25,697 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 11:54:25,698 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:54:25,698 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1315684151] [2024-12-02 11:54:25,698 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1315684151] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:54:25,698 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:54:25,699 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 11:54:25,700 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [359406197] [2024-12-02 11:54:25,700 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:54:25,705 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 11:54:25,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:54:25,721 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 11:54:25,722 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 11:54:25,724 INFO L87 Difference]: Start difference. First operand has 66 states, 43 states have (on average 1.5813953488372092) internal successors, (68), 57 states have internal predecessors, (68), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 11 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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 11:54:25,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:54:25,743 INFO L93 Difference]: Finished difference Result 122 states and 168 transitions. [2024-12-02 11:54:25,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 11:54:25,745 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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 13 [2024-12-02 11:54:25,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:54:25,750 INFO L225 Difference]: With dead ends: 122 [2024-12-02 11:54:25,751 INFO L226 Difference]: Without dead ends: 55 [2024-12-02 11:54:25,753 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 11:54:25,756 INFO L435 NwaCegarLoop]: 80 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 80 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 11:54:25,757 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 11:54:25,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2024-12-02 11:54:25,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2024-12-02 11:54:25,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 37 states have (on average 1.4054054054054055) internal successors, (52), 48 states have internal predecessors, (52), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-12-02 11:54:25,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 68 transitions. [2024-12-02 11:54:25,791 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 68 transitions. Word has length 13 [2024-12-02 11:54:25,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:54:25,792 INFO L471 AbstractCegarLoop]: Abstraction has 55 states and 68 transitions. [2024-12-02 11:54:25,792 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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 11:54:25,793 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 68 transitions. [2024-12-02 11:54:25,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-02 11:54:25,793 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:54:25,794 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:54:25,794 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-02 11:54:25,794 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-12-02 11:54:25,794 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:54:25,795 INFO L85 PathProgramCache]: Analyzing trace with hash -242708174, now seen corresponding path program 1 times [2024-12-02 11:54:25,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:54:25,795 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401718695] [2024-12-02 11:54:25,795 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:54:25,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:54:25,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:54:25,911 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 11:54:25,911 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:54:25,911 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [401718695] [2024-12-02 11:54:25,911 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [401718695] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:54:25,911 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:54:25,911 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 11:54:25,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1502473213] [2024-12-02 11:54:25,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:54:25,912 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 11:54:25,912 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:54:25,913 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 11:54:25,913 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:54:25,913 INFO L87 Difference]: Start difference. First operand 55 states and 68 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 11:54:25,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:54:25,937 INFO L93 Difference]: Finished difference Result 55 states and 68 transitions. [2024-12-02 11:54:25,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 11:54:25,938 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 11:54:25,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:54:25,938 INFO L225 Difference]: With dead ends: 55 [2024-12-02 11:54:25,938 INFO L226 Difference]: Without dead ends: 54 [2024-12-02 11:54:25,939 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 11:54:25,940 INFO L435 NwaCegarLoop]: 62 mSDtfsCounter, 1 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 119 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 11:54:25,940 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 119 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 11:54:25,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2024-12-02 11:54:25,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2024-12-02 11:54:25,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 37 states have (on average 1.3783783783783783) internal successors, (51), 47 states have internal predecessors, (51), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-12-02 11:54:25,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 67 transitions. [2024-12-02 11:54:25,946 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 67 transitions. Word has length 15 [2024-12-02 11:54:25,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:54:25,947 INFO L471 AbstractCegarLoop]: Abstraction has 54 states and 67 transitions. [2024-12-02 11:54:25,947 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 11:54:25,947 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 67 transitions. [2024-12-02 11:54:25,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-02 11:54:25,947 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:54:25,948 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:54:25,948 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 11:54:25,948 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-12-02 11:54:25,948 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:54:25,948 INFO L85 PathProgramCache]: Analyzing trace with hash 1065981272, now seen corresponding path program 1 times [2024-12-02 11:54:25,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:54:25,949 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1639963420] [2024-12-02 11:54:25,949 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:54:25,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:54:25,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:54:26,025 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 11:54:26,025 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:54:26,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1639963420] [2024-12-02 11:54:26,026 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1639963420] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:54:26,026 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:54:26,026 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 11:54:26,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [594397063] [2024-12-02 11:54:26,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:54:26,026 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 11:54:26,026 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:54:26,027 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 11:54:26,027 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:54:26,027 INFO L87 Difference]: Start difference. First operand 54 states and 67 transitions. Second operand has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 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 11:54:26,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:54:26,058 INFO L93 Difference]: Finished difference Result 96 states and 118 transitions. [2024-12-02 11:54:26,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 11:54:26,058 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 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 16 [2024-12-02 11:54:26,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:54:26,060 INFO L225 Difference]: With dead ends: 96 [2024-12-02 11:54:26,060 INFO L226 Difference]: Without dead ends: 57 [2024-12-02 11:54:26,061 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 11:54:26,062 INFO L435 NwaCegarLoop]: 66 mSDtfsCounter, 5 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 120 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 11:54:26,062 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 120 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 11:54:26,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2024-12-02 11:54:26,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2024-12-02 11:54:26,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 41 states have (on average 1.3414634146341464) internal successors, (55), 49 states have internal predecessors, (55), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-12-02 11:54:26,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 71 transitions. [2024-12-02 11:54:26,070 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 71 transitions. Word has length 16 [2024-12-02 11:54:26,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:54:26,070 INFO L471 AbstractCegarLoop]: Abstraction has 57 states and 71 transitions. [2024-12-02 11:54:26,070 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 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 11:54:26,070 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 71 transitions. [2024-12-02 11:54:26,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-12-02 11:54:26,071 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:54:26,071 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 11:54:26,071 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 11:54:26,071 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-12-02 11:54:26,071 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:54:26,072 INFO L85 PathProgramCache]: Analyzing trace with hash -1593905022, now seen corresponding path program 1 times [2024-12-02 11:54:26,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:54:26,072 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1505136296] [2024-12-02 11:54:26,072 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:54:26,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:54:26,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:54:26,146 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 11:54:26,146 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:54:26,146 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1505136296] [2024-12-02 11:54:26,146 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1505136296] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:54:26,146 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:54:26,146 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 11:54:26,146 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1075005628] [2024-12-02 11:54:26,146 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:54:26,147 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 11:54:26,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:54:26,147 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 11:54:26,147 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:54:26,147 INFO L87 Difference]: Start difference. First operand 57 states and 71 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 11:54:26,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:54:26,170 INFO L93 Difference]: Finished difference Result 57 states and 71 transitions. [2024-12-02 11:54:26,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 11:54:26,170 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 11:54:26,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:54:26,171 INFO L225 Difference]: With dead ends: 57 [2024-12-02 11:54:26,171 INFO L226 Difference]: Without dead ends: 56 [2024-12-02 11:54:26,171 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 11:54:26,172 INFO L435 NwaCegarLoop]: 60 mSDtfsCounter, 1 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 115 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 11:54:26,173 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 115 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 11:54:26,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2024-12-02 11:54:26,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2024-12-02 11:54:26,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 41 states have (on average 1.3170731707317074) internal successors, (54), 48 states have internal predecessors, (54), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-12-02 11:54:26,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 70 transitions. [2024-12-02 11:54:26,178 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 70 transitions. Word has length 20 [2024-12-02 11:54:26,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:54:26,178 INFO L471 AbstractCegarLoop]: Abstraction has 56 states and 70 transitions. [2024-12-02 11:54:26,179 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 11:54:26,179 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 70 transitions. [2024-12-02 11:54:26,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-12-02 11:54:26,179 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:54:26,179 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 11:54:26,180 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 11:54:26,180 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-12-02 11:54:26,180 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:54:26,180 INFO L85 PathProgramCache]: Analyzing trace with hash 2128551980, now seen corresponding path program 1 times [2024-12-02 11:54:26,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:54:26,181 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [62967477] [2024-12-02 11:54:26,181 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:54:26,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:54:26,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:54:26,239 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 11:54:26,240 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:54:26,240 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [62967477] [2024-12-02 11:54:26,240 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [62967477] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:54:26,240 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:54:26,240 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 11:54:26,240 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1569425034] [2024-12-02 11:54:26,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:54:26,240 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 11:54:26,240 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:54:26,241 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 11:54:26,241 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:54:26,241 INFO L87 Difference]: Start difference. First operand 56 states and 70 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 11:54:26,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:54:26,270 INFO L93 Difference]: Finished difference Result 83 states and 100 transitions. [2024-12-02 11:54:26,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 11:54:26,271 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 11:54:26,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:54:26,272 INFO L225 Difference]: With dead ends: 83 [2024-12-02 11:54:26,272 INFO L226 Difference]: Without dead ends: 58 [2024-12-02 11:54:26,272 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 11:54:26,273 INFO L435 NwaCegarLoop]: 63 mSDtfsCounter, 4 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 115 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 11:54:26,273 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 115 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 11:54:26,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2024-12-02 11:54:26,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2024-12-02 11:54:26,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 44 states have (on average 1.2954545454545454) internal successors, (57), 49 states have internal predecessors, (57), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-12-02 11:54:26,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 73 transitions. [2024-12-02 11:54:26,278 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 73 transitions. Word has length 21 [2024-12-02 11:54:26,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:54:26,279 INFO L471 AbstractCegarLoop]: Abstraction has 58 states and 73 transitions. [2024-12-02 11:54:26,279 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 11:54:26,279 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 73 transitions. [2024-12-02 11:54:26,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-02 11:54:26,279 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:54:26,280 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 11:54:26,280 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-02 11:54:26,280 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-12-02 11:54:26,280 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:54:26,280 INFO L85 PathProgramCache]: Analyzing trace with hash 1574982295, now seen corresponding path program 1 times [2024-12-02 11:54:26,280 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:54:26,280 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1171937140] [2024-12-02 11:54:26,280 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:54:26,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:54:26,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:54:26,342 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 11:54:26,342 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:54:26,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1171937140] [2024-12-02 11:54:26,342 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1171937140] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:54:26,342 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:54:26,342 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 11:54:26,342 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1563189955] [2024-12-02 11:54:26,342 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:54:26,342 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 11:54:26,343 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:54:26,343 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 11:54:26,343 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:54:26,343 INFO L87 Difference]: Start difference. First operand 58 states and 73 transitions. Second operand has 3 states, 2 states have (on average 10.0) 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 11:54:26,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:54:26,359 INFO L93 Difference]: Finished difference Result 65 states and 79 transitions. [2024-12-02 11:54:26,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 11:54:26,360 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.0) 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 11:54:26,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:54:26,360 INFO L225 Difference]: With dead ends: 65 [2024-12-02 11:54:26,361 INFO L226 Difference]: Without dead ends: 56 [2024-12-02 11:54:26,361 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 11:54:26,361 INFO L435 NwaCegarLoop]: 58 mSDtfsCounter, 1 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 113 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 11:54:26,362 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 113 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 11:54:26,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2024-12-02 11:54:26,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2024-12-02 11:54:26,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 44 states have (on average 1.2272727272727273) internal successors, (54), 47 states have internal predecessors, (54), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-12-02 11:54:26,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 70 transitions. [2024-12-02 11:54:26,367 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 70 transitions. Word has length 22 [2024-12-02 11:54:26,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:54:26,367 INFO L471 AbstractCegarLoop]: Abstraction has 56 states and 70 transitions. [2024-12-02 11:54:26,367 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.0) 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 11:54:26,367 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 70 transitions. [2024-12-02 11:54:26,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-12-02 11:54:26,368 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:54:26,368 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, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:54:26,368 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-12-02 11:54:26,369 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-12-02 11:54:26,369 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:54:26,369 INFO L85 PathProgramCache]: Analyzing trace with hash -1057873986, now seen corresponding path program 1 times [2024-12-02 11:54:26,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:54:26,369 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1483561425] [2024-12-02 11:54:26,369 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:54:26,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:54:26,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:54:26,435 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 11:54:26,436 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:54:26,436 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1483561425] [2024-12-02 11:54:26,436 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1483561425] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:54:26,436 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:54:26,436 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 11:54:26,436 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1384668180] [2024-12-02 11:54:26,436 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:54:26,436 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 11:54:26,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:54:26,437 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 11:54:26,437 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:54:26,437 INFO L87 Difference]: Start difference. First operand 56 states and 70 transitions. Second operand has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 11:54:26,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:54:26,447 INFO L93 Difference]: Finished difference Result 56 states and 70 transitions. [2024-12-02 11:54:26,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 11:54:26,448 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 32 [2024-12-02 11:54:26,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:54:26,448 INFO L225 Difference]: With dead ends: 56 [2024-12-02 11:54:26,448 INFO L226 Difference]: Without dead ends: 0 [2024-12-02 11:54:26,449 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 11:54:26,449 INFO L435 NwaCegarLoop]: 57 mSDtfsCounter, 1 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 112 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 11:54:26,449 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 112 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 11:54:26,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-12-02 11:54:26,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-12-02 11:54:26,450 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 11:54:26,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-12-02 11:54:26,450 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 32 [2024-12-02 11:54:26,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:54:26,450 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-12-02 11:54:26,451 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 11:54:26,451 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-12-02 11:54:26,451 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-02 11:54:26,453 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2024-12-02 11:54:26,453 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2024-12-02 11:54:26,453 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2024-12-02 11:54:26,454 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2024-12-02 11:54:26,454 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2024-12-02 11:54:26,454 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2024-12-02 11:54:26,454 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2024-12-02 11:54:26,454 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2024-12-02 11:54:26,454 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-12-02 11:54:26,457 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:54:26,459 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-12-02 11:54:26,488 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 11:54:26,493 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 11:54:26 BoogieIcfgContainer [2024-12-02 11:54:26,493 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 11:54:26,494 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 11:54:26,494 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 11:54:26,494 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 11:54:26,494 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:54:25" (3/4) ... [2024-12-02 11:54:26,496 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-02 11:54:26,499 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2024-12-02 11:54:26,499 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2024-12-02 11:54:26,502 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2024-12-02 11:54:26,503 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2024-12-02 11:54:26,503 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-12-02 11:54:26,503 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-02 11:54:26,503 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-02 11:54:26,587 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03204d1e-3b44-4d80-8a6c-074b1d463cc0/bin/uautomizer-verify-84ZbGMXZE1/witness.graphml [2024-12-02 11:54:26,587 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03204d1e-3b44-4d80-8a6c-074b1d463cc0/bin/uautomizer-verify-84ZbGMXZE1/witness.yml [2024-12-02 11:54:26,587 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 11:54:26,588 INFO L158 Benchmark]: Toolchain (without parser) took 2330.49ms. Allocated memory is still 142.6MB. Free memory was 113.4MB in the beginning and 109.8MB in the end (delta: 3.6MB). Peak memory consumption was 75.7MB. Max. memory is 16.1GB. [2024-12-02 11:54:26,588 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 142.6MB. Free memory is still 83.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 11:54:26,588 INFO L158 Benchmark]: CACSL2BoogieTranslator took 815.35ms. Allocated memory is still 142.6MB. Free memory was 113.4MB in the beginning and 110.0MB in the end (delta: 3.4MB). Peak memory consumption was 66.6MB. Max. memory is 16.1GB. [2024-12-02 11:54:26,589 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.61ms. Allocated memory is still 142.6MB. Free memory was 110.0MB in the beginning and 107.3MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 11:54:26,589 INFO L158 Benchmark]: Boogie Preprocessor took 27.18ms. Allocated memory is still 142.6MB. Free memory was 107.3MB in the beginning and 105.4MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 11:54:26,589 INFO L158 Benchmark]: RCFGBuilder took 324.02ms. Allocated memory is still 142.6MB. Free memory was 105.4MB in the beginning and 89.4MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 11:54:26,589 INFO L158 Benchmark]: TraceAbstraction took 1026.03ms. Allocated memory is still 142.6MB. Free memory was 88.7MB in the beginning and 48.1MB in the end (delta: 40.7MB). Peak memory consumption was 42.7MB. Max. memory is 16.1GB. [2024-12-02 11:54:26,590 INFO L158 Benchmark]: Witness Printer took 93.16ms. Allocated memory is still 142.6MB. Free memory was 48.1MB in the beginning and 109.8MB in the end (delta: -61.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 11:54:26,591 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 142.6MB. Free memory is still 83.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 815.35ms. Allocated memory is still 142.6MB. Free memory was 113.4MB in the beginning and 110.0MB in the end (delta: 3.4MB). Peak memory consumption was 66.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.61ms. Allocated memory is still 142.6MB. Free memory was 110.0MB in the beginning and 107.3MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 27.18ms. Allocated memory is still 142.6MB. Free memory was 107.3MB in the beginning and 105.4MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 324.02ms. Allocated memory is still 142.6MB. Free memory was 105.4MB in the beginning and 89.4MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1026.03ms. Allocated memory is still 142.6MB. Free memory was 88.7MB in the beginning and 48.1MB in the end (delta: 40.7MB). Peak memory consumption was 42.7MB. Max. memory is 16.1GB. * Witness Printer took 93.16ms. Allocated memory is still 142.6MB. Free memory was 48.1MB in the beginning and 109.8MB in the end (delta: -61.7MB). 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: 1576]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1576]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1610]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1610]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1636]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1636]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1653]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1653]: 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, 66 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 15 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 13 mSDsluCounter, 774 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 328 mSDsCounter, 7 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 57 IncrementalHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7 mSolverCounterUnsat, 446 mSDtfsCounter, 57 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 14 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=66occurred in iteration=0, InterpolantAutomatonStates: 20, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 7 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 139 NumberOfCodeBlocks, 139 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 132 ConstructedInterpolants, 0 QuantifiedInterpolants, 156 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 8 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-12-02 11:54:26,608 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03204d1e-3b44-4d80-8a6c-074b1d463cc0/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