./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_22_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_1d2c73fc-4277-469c-8ac8-b47c6d36df2a/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d2c73fc-4277-469c-8ac8-b47c6d36df2a/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_1d2c73fc-4277-469c-8ac8-b47c6d36df2a/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d2c73fc-4277-469c-8ac8-b47c6d36df2a/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_22_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d2c73fc-4277-469c-8ac8-b47c6d36df2a/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_1d2c73fc-4277-469c-8ac8-b47c6d36df2a/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 b7344d097d65f119e03a45c632facc61e6810404367546208343f8dd8218e1be --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 14:54:01,729 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 14:54:01,783 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d2c73fc-4277-469c-8ac8-b47c6d36df2a/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-12-02 14:54:01,788 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 14:54:01,788 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 14:54:01,808 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 14:54:01,809 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 14:54:01,809 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 14:54:01,809 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 14:54:01,810 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 14:54:01,810 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 14:54:01,810 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 14:54:01,810 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 14:54:01,810 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 14:54:01,810 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 14:54:01,810 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 14:54:01,810 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 14:54:01,811 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 14:54:01,811 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 14:54:01,811 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 14:54:01,811 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 14:54:01,811 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 14:54:01,811 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-02 14:54:01,811 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-02 14:54:01,811 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 14:54:01,811 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 14:54:01,811 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 14:54:01,811 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 14:54:01,811 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 14:54:01,811 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 14:54:01,812 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 14:54:01,812 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 14:54:01,812 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 14:54:01,812 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 14:54:01,812 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 14:54:01,812 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 14:54:01,812 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 14:54:01,812 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 14:54:01,812 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 14:54:01,812 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 14:54:01,812 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 14:54:01,812 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 14:54:01,812 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 14:54:01,813 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 14:54:01,813 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 14:54:01,813 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 14:54:01,813 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 14:54:01,813 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_1d2c73fc-4277-469c-8ac8-b47c6d36df2a/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 -> b7344d097d65f119e03a45c632facc61e6810404367546208343f8dd8218e1be [2024-12-02 14:54:02,059 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 14:54:02,067 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 14:54:02,070 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 14:54:02,071 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 14:54:02,071 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 14:54:02,072 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d2c73fc-4277-469c-8ac8-b47c6d36df2a/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_22_good.i [2024-12-02 14:54:04,748 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d2c73fc-4277-469c-8ac8-b47c6d36df2a/bin/uautomizer-verify-84ZbGMXZE1/data/72096fcf9/b5e8d8c822a0428cb9bb838f417d7963/FLAGe13c0ecee [2024-12-02 14:54:05,071 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 14:54:05,072 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d2c73fc-4277-469c-8ac8-b47c6d36df2a/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_22_good.i [2024-12-02 14:54:05,092 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d2c73fc-4277-469c-8ac8-b47c6d36df2a/bin/uautomizer-verify-84ZbGMXZE1/data/72096fcf9/b5e8d8c822a0428cb9bb838f417d7963/FLAGe13c0ecee [2024-12-02 14:54:05,106 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d2c73fc-4277-469c-8ac8-b47c6d36df2a/bin/uautomizer-verify-84ZbGMXZE1/data/72096fcf9/b5e8d8c822a0428cb9bb838f417d7963 [2024-12-02 14:54:05,109 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 14:54:05,110 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 14:54:05,111 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 14:54:05,111 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 14:54:05,115 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 14:54:05,116 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:54:05" (1/1) ... [2024-12-02 14:54:05,117 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@285c0682 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:54:05, skipping insertion in model container [2024-12-02 14:54:05,117 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:54:05" (1/1) ... [2024-12-02 14:54:05,151 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 14:54:05,777 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 14:54:05,784 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 14:54:05,859 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 14:54:05,961 INFO L204 MainTranslator]: Completed translation [2024-12-02 14:54:05,962 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:54:05 WrapperNode [2024-12-02 14:54:05,962 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 14:54:05,963 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 14:54:05,963 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 14:54:05,963 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 14:54:05,968 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:54:05" (1/1) ... [2024-12-02 14:54:05,985 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:54:05" (1/1) ... [2024-12-02 14:54:06,008 INFO L138 Inliner]: procedures = 503, calls = 37, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 198 [2024-12-02 14:54:06,008 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 14:54:06,009 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 14:54:06,009 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 14:54:06,009 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 14:54:06,018 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:54:05" (1/1) ... [2024-12-02 14:54:06,018 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:54:05" (1/1) ... [2024-12-02 14:54:06,021 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:54:05" (1/1) ... [2024-12-02 14:54:06,029 INFO L175 MemorySlicer]: No memory access in input program. [2024-12-02 14:54:06,029 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:54:05" (1/1) ... [2024-12-02 14:54:06,030 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:54:05" (1/1) ... [2024-12-02 14:54:06,033 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:54:05" (1/1) ... [2024-12-02 14:54:06,034 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:54:05" (1/1) ... [2024-12-02 14:54:06,037 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:54:05" (1/1) ... [2024-12-02 14:54:06,038 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:54:05" (1/1) ... [2024-12-02 14:54:06,039 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:54:05" (1/1) ... [2024-12-02 14:54:06,042 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 14:54:06,043 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 14:54:06,043 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 14:54:06,043 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 14:54:06,044 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:54:05" (1/1) ... [2024-12-02 14:54:06,049 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 14:54:06,061 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d2c73fc-4277-469c-8ac8-b47c6d36df2a/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:54:06,073 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d2c73fc-4277-469c-8ac8-b47c6d36df2a/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 14:54:06,076 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d2c73fc-4277-469c-8ac8-b47c6d36df2a/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 14:54:06,099 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2024-12-02 14:54:06,099 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2024-12-02 14:54:06,099 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-02 14:54:06,100 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-02 14:54:06,100 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 14:54:06,100 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 14:54:06,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 14:54:06,226 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 14:54:06,228 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 14:54:06,499 INFO L? ?]: Removed 108 outVars from TransFormulas that were not future-live. [2024-12-02 14:54:06,499 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 14:54:06,508 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 14:54:06,508 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-02 14:54:06,508 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:54:06 BoogieIcfgContainer [2024-12-02 14:54:06,509 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 14:54:06,510 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 14:54:06,510 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 14:54:06,514 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 14:54:06,514 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 02:54:05" (1/3) ... [2024-12-02 14:54:06,514 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29ff3020 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:54:06, skipping insertion in model container [2024-12-02 14:54:06,514 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:54:05" (2/3) ... [2024-12-02 14:54:06,515 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29ff3020 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:54:06, skipping insertion in model container [2024-12-02 14:54:06,515 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:54:06" (3/3) ... [2024-12-02 14:54:06,516 INFO L128 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_rand_postdec_22_good.i [2024-12-02 14:54:06,527 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 14:54:06,528 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG CWE191_Integer_Underflow__int_rand_postdec_22_good.i that has 3 procedures, 93 locations, 1 initial locations, 0 loop locations, and 6 error locations. [2024-12-02 14:54:06,568 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 14:54:06,578 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;@69c28d2a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 14:54:06,578 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-12-02 14:54:06,581 INFO L276 IsEmpty]: Start isEmpty. Operand has 93 states, 76 states have (on average 1.5) internal successors, (114), 85 states have internal predecessors, (114), 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 14:54:06,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-02 14:54:06,586 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:54:06,586 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:54:06,586 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 14:54:06,590 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:54:06,590 INFO L85 PathProgramCache]: Analyzing trace with hash -885044320, now seen corresponding path program 1 times [2024-12-02 14:54:06,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:54:06,596 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1973268938] [2024-12-02 14:54:06,596 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:54:06,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:54:06,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:54:06,823 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 14:54:06,823 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:54:06,823 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1973268938] [2024-12-02 14:54:06,824 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1973268938] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:54:06,824 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:54:06,824 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 14:54:06,825 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2128048691] [2024-12-02 14:54:06,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:54:06,828 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 14:54:06,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:54:06,842 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 14:54:06,842 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 14:54:06,844 INFO L87 Difference]: Start difference. First operand has 93 states, 76 states have (on average 1.5) internal successors, (114), 85 states have internal predecessors, (114), 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) Second operand has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 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 14:54:06,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:54:06,873 INFO L93 Difference]: Finished difference Result 93 states and 130 transitions. [2024-12-02 14:54:06,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 14:54:06,875 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 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 17 [2024-12-02 14:54:06,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:54:06,882 INFO L225 Difference]: With dead ends: 93 [2024-12-02 14:54:06,882 INFO L226 Difference]: Without dead ends: 82 [2024-12-02 14:54:06,884 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 14:54:06,886 INFO L435 NwaCegarLoop]: 126 mSDtfsCounter, 1 mSDsluCounter, 123 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 249 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 14:54:06,887 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 249 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 14:54:06,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2024-12-02 14:54:06,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2024-12-02 14:54:06,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 69 states have (on average 1.5072463768115942) internal successors, (104), 76 states have internal predecessors, (104), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2024-12-02 14:54:06,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 116 transitions. [2024-12-02 14:54:06,918 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 116 transitions. Word has length 17 [2024-12-02 14:54:06,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:54:06,920 INFO L471 AbstractCegarLoop]: Abstraction has 82 states and 116 transitions. [2024-12-02 14:54:06,920 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 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 14:54:06,920 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 116 transitions. [2024-12-02 14:54:06,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-02 14:54:06,921 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:54:06,921 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:54:06,921 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-02 14:54:06,922 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 14:54:06,922 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:54:06,922 INFO L85 PathProgramCache]: Analyzing trace with hash -1666570008, now seen corresponding path program 1 times [2024-12-02 14:54:06,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:54:06,922 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019811035] [2024-12-02 14:54:06,922 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:54:06,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:54:06,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:54:07,104 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 14:54:07,104 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:54:07,104 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019811035] [2024-12-02 14:54:07,104 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2019811035] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:54:07,104 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:54:07,104 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 14:54:07,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [999309544] [2024-12-02 14:54:07,105 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:54:07,105 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 14:54:07,106 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:54:07,106 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 14:54:07,106 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 14:54:07,106 INFO L87 Difference]: Start difference. First operand 82 states and 116 transitions. Second operand has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 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 14:54:07,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:54:07,135 INFO L93 Difference]: Finished difference Result 83 states and 117 transitions. [2024-12-02 14:54:07,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 14:54:07,136 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 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 18 [2024-12-02 14:54:07,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:54:07,137 INFO L225 Difference]: With dead ends: 83 [2024-12-02 14:54:07,137 INFO L226 Difference]: Without dead ends: 82 [2024-12-02 14:54:07,137 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 14:54:07,138 INFO L435 NwaCegarLoop]: 112 mSDtfsCounter, 1 mSDsluCounter, 215 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 327 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 14:54:07,138 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 327 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 14:54:07,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2024-12-02 14:54:07,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 81. [2024-12-02 14:54:07,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 69 states have (on average 1.4927536231884058) internal successors, (103), 75 states have internal predecessors, (103), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2024-12-02 14:54:07,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 115 transitions. [2024-12-02 14:54:07,147 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 115 transitions. Word has length 18 [2024-12-02 14:54:07,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:54:07,147 INFO L471 AbstractCegarLoop]: Abstraction has 81 states and 115 transitions. [2024-12-02 14:54:07,147 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 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 14:54:07,147 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 115 transitions. [2024-12-02 14:54:07,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-12-02 14:54:07,148 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:54:07,148 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 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 14:54:07,148 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 14:54:07,149 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 14:54:07,149 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:54:07,149 INFO L85 PathProgramCache]: Analyzing trace with hash -343019341, now seen corresponding path program 1 times [2024-12-02 14:54:07,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:54:07,149 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2077174713] [2024-12-02 14:54:07,149 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:54:07,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:54:07,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:54:07,199 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 14:54:07,199 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:54:07,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2077174713] [2024-12-02 14:54:07,199 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2077174713] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:54:07,199 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:54:07,199 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 14:54:07,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1976440719] [2024-12-02 14:54:07,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:54:07,200 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 14:54:07,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:54:07,200 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 14:54:07,200 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 14:54:07,201 INFO L87 Difference]: Start difference. First operand 81 states and 115 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-12-02 14:54:07,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:54:07,218 INFO L93 Difference]: Finished difference Result 128 states and 177 transitions. [2024-12-02 14:54:07,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 14:54:07,219 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 31 [2024-12-02 14:54:07,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:54:07,220 INFO L225 Difference]: With dead ends: 128 [2024-12-02 14:54:07,220 INFO L226 Difference]: Without dead ends: 80 [2024-12-02 14:54:07,221 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 14:54:07,221 INFO L435 NwaCegarLoop]: 111 mSDtfsCounter, 110 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 111 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 14:54:07,222 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 111 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 14:54:07,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2024-12-02 14:54:07,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2024-12-02 14:54:07,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 69 states have (on average 1.4782608695652173) internal successors, (102), 74 states have internal predecessors, (102), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-12-02 14:54:07,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 112 transitions. [2024-12-02 14:54:07,230 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 112 transitions. Word has length 31 [2024-12-02 14:54:07,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:54:07,230 INFO L471 AbstractCegarLoop]: Abstraction has 80 states and 112 transitions. [2024-12-02 14:54:07,230 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-12-02 14:54:07,231 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 112 transitions. [2024-12-02 14:54:07,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-12-02 14:54:07,231 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:54:07,232 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 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 14:54:07,232 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 14:54:07,232 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-12-02 14:54:07,232 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:54:07,233 INFO L85 PathProgramCache]: Analyzing trace with hash 1365767870, now seen corresponding path program 1 times [2024-12-02 14:54:07,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:54:07,233 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [154054938] [2024-12-02 14:54:07,233 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:54:07,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:54:07,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:54:07,330 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 14:54:07,330 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:54:07,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [154054938] [2024-12-02 14:54:07,330 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [154054938] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:54:07,330 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:54:07,330 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 14:54:07,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [694799448] [2024-12-02 14:54:07,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:54:07,331 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 14:54:07,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:54:07,331 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 14:54:07,331 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 14:54:07,332 INFO L87 Difference]: Start difference. First operand 80 states and 112 transitions. Second operand has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 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 14:54:07,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:54:07,349 INFO L93 Difference]: Finished difference Result 80 states and 112 transitions. [2024-12-02 14:54:07,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 14:54:07,350 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 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 14:54:07,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:54:07,351 INFO L225 Difference]: With dead ends: 80 [2024-12-02 14:54:07,351 INFO L226 Difference]: Without dead ends: 79 [2024-12-02 14:54:07,351 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 14:54:07,351 INFO L435 NwaCegarLoop]: 108 mSDtfsCounter, 1 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 213 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 14:54:07,351 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 213 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 14:54:07,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2024-12-02 14:54:07,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2024-12-02 14:54:07,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 69 states have (on average 1.463768115942029) internal successors, (101), 73 states have internal predecessors, (101), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-12-02 14:54:07,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 111 transitions. [2024-12-02 14:54:07,355 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 111 transitions. Word has length 32 [2024-12-02 14:54:07,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:54:07,356 INFO L471 AbstractCegarLoop]: Abstraction has 79 states and 111 transitions. [2024-12-02 14:54:07,356 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 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 14:54:07,356 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 111 transitions. [2024-12-02 14:54:07,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-02 14:54:07,356 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:54:07,357 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 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 14:54:07,357 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 14:54:07,357 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-12-02 14:54:07,357 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:54:07,357 INFO L85 PathProgramCache]: Analyzing trace with hash -610868756, now seen corresponding path program 1 times [2024-12-02 14:54:07,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:54:07,357 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1690640517] [2024-12-02 14:54:07,357 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:54:07,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:54:07,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:54:07,463 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 14:54:07,464 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:54:07,464 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1690640517] [2024-12-02 14:54:07,464 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1690640517] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:54:07,464 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:54:07,464 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 14:54:07,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1864929577] [2024-12-02 14:54:07,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:54:07,464 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 14:54:07,465 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:54:07,465 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 14:54:07,465 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 14:54:07,465 INFO L87 Difference]: Start difference. First operand 79 states and 111 transitions. Second operand has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 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 14:54:07,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:54:07,484 INFO L93 Difference]: Finished difference Result 80 states and 112 transitions. [2024-12-02 14:54:07,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 14:54:07,485 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 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 33 [2024-12-02 14:54:07,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:54:07,486 INFO L225 Difference]: With dead ends: 80 [2024-12-02 14:54:07,486 INFO L226 Difference]: Without dead ends: 79 [2024-12-02 14:54:07,486 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 14:54:07,487 INFO L435 NwaCegarLoop]: 106 mSDtfsCounter, 1 mSDsluCounter, 206 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 312 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 14:54:07,487 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 312 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 14:54:07,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2024-12-02 14:54:07,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 78. [2024-12-02 14:54:07,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 69 states have (on average 1.4492753623188406) internal successors, (100), 72 states have internal predecessors, (100), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-12-02 14:54:07,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 110 transitions. [2024-12-02 14:54:07,494 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 110 transitions. Word has length 33 [2024-12-02 14:54:07,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:54:07,494 INFO L471 AbstractCegarLoop]: Abstraction has 78 states and 110 transitions. [2024-12-02 14:54:07,494 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 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 14:54:07,494 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 110 transitions. [2024-12-02 14:54:07,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-12-02 14:54:07,495 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:54:07,495 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 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 14:54:07,495 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-02 14:54:07,496 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 14:54:07,496 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:54:07,496 INFO L85 PathProgramCache]: Analyzing trace with hash -1742778193, now seen corresponding path program 1 times [2024-12-02 14:54:07,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:54:07,496 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1138172924] [2024-12-02 14:54:07,496 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:54:07,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:54:07,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:54:07,586 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-02 14:54:07,586 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:54:07,586 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1138172924] [2024-12-02 14:54:07,586 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1138172924] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 14:54:07,586 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1004937518] [2024-12-02 14:54:07,587 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:54:07,587 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 14:54:07,587 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d2c73fc-4277-469c-8ac8-b47c6d36df2a/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:54:07,588 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d2c73fc-4277-469c-8ac8-b47c6d36df2a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 14:54:07,591 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d2c73fc-4277-469c-8ac8-b47c6d36df2a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 14:54:07,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:54:07,688 INFO L256 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 14:54:07,691 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:54:07,708 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 14:54:07,708 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 14:54:07,708 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1004937518] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:54:07,708 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 14:54:07,708 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2024-12-02 14:54:07,709 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1380157611] [2024-12-02 14:54:07,709 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:54:07,709 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 14:54:07,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:54:07,709 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 14:54:07,709 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-12-02 14:54:07,710 INFO L87 Difference]: Start difference. First operand 78 states and 110 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 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 14:54:07,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:54:07,719 INFO L93 Difference]: Finished difference Result 92 states and 122 transitions. [2024-12-02 14:54:07,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 14:54:07,720 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 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 34 [2024-12-02 14:54:07,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:54:07,720 INFO L225 Difference]: With dead ends: 92 [2024-12-02 14:54:07,721 INFO L226 Difference]: Without dead ends: 85 [2024-12-02 14:54:07,721 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-12-02 14:54:07,722 INFO L435 NwaCegarLoop]: 114 mSDtfsCounter, 22 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 205 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 14:54:07,722 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 205 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 14:54:07,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2024-12-02 14:54:07,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2024-12-02 14:54:07,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 74 states have (on average 1.4189189189189189) internal successors, (105), 77 states have internal predecessors, (105), 5 states have call successors, (5), 4 states have call predecessors, (5), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-12-02 14:54:07,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 115 transitions. [2024-12-02 14:54:07,729 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 115 transitions. Word has length 34 [2024-12-02 14:54:07,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:54:07,730 INFO L471 AbstractCegarLoop]: Abstraction has 85 states and 115 transitions. [2024-12-02 14:54:07,730 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 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 14:54:07,730 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 115 transitions. [2024-12-02 14:54:07,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-02 14:54:07,731 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:54:07,731 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 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 14:54:07,738 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d2c73fc-4277-469c-8ac8-b47c6d36df2a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 14:54:07,932 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d2c73fc-4277-469c-8ac8-b47c6d36df2a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-12-02 14:54:07,932 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-12-02 14:54:07,932 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:54:07,932 INFO L85 PathProgramCache]: Analyzing trace with hash -272051809, now seen corresponding path program 1 times [2024-12-02 14:54:07,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:54:07,932 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1010236777] [2024-12-02 14:54:07,932 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:54:07,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:54:07,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:54:08,014 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-02 14:54:08,021 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:54:08,021 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1010236777] [2024-12-02 14:54:08,021 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1010236777] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:54:08,021 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:54:08,021 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 14:54:08,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [211163594] [2024-12-02 14:54:08,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:54:08,022 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 14:54:08,022 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:54:08,022 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 14:54:08,022 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 14:54:08,023 INFO L87 Difference]: Start difference. First operand 85 states and 115 transitions. Second operand has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-12-02 14:54:08,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:54:08,034 INFO L93 Difference]: Finished difference Result 85 states and 115 transitions. [2024-12-02 14:54:08,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 14:54:08,035 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 40 [2024-12-02 14:54:08,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:54:08,036 INFO L225 Difference]: With dead ends: 85 [2024-12-02 14:54:08,036 INFO L226 Difference]: Without dead ends: 84 [2024-12-02 14:54:08,036 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 14:54:08,037 INFO L435 NwaCegarLoop]: 105 mSDtfsCounter, 1 mSDsluCounter, 208 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 313 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 14:54:08,037 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 313 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 14:54:08,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2024-12-02 14:54:08,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2024-12-02 14:54:08,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 74 states have (on average 1.4054054054054055) internal successors, (104), 76 states have internal predecessors, (104), 5 states have call successors, (5), 4 states have call predecessors, (5), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-12-02 14:54:08,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 114 transitions. [2024-12-02 14:54:08,044 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 114 transitions. Word has length 40 [2024-12-02 14:54:08,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:54:08,045 INFO L471 AbstractCegarLoop]: Abstraction has 84 states and 114 transitions. [2024-12-02 14:54:08,045 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-12-02 14:54:08,045 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 114 transitions. [2024-12-02 14:54:08,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-12-02 14:54:08,046 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:54:08,046 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 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 14:54:08,046 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-12-02 14:54:08,047 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-12-02 14:54:08,047 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:54:08,047 INFO L85 PathProgramCache]: Analyzing trace with hash 156328766, now seen corresponding path program 1 times [2024-12-02 14:54:08,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:54:08,047 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1294860443] [2024-12-02 14:54:08,047 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:54:08,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:54:08,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:54:08,117 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-02 14:54:08,118 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:54:08,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1294860443] [2024-12-02 14:54:08,118 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1294860443] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:54:08,118 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:54:08,118 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 14:54:08,118 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1742109089] [2024-12-02 14:54:08,118 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:54:08,118 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 14:54:08,118 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:54:08,119 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 14:54:08,119 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 14:54:08,119 INFO L87 Difference]: Start difference. First operand 84 states and 114 transitions. Second operand has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-12-02 14:54:08,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:54:08,134 INFO L93 Difference]: Finished difference Result 84 states and 114 transitions. [2024-12-02 14:54:08,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 14:54:08,134 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 41 [2024-12-02 14:54:08,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:54:08,135 INFO L225 Difference]: With dead ends: 84 [2024-12-02 14:54:08,135 INFO L226 Difference]: Without dead ends: 0 [2024-12-02 14:54:08,135 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 14:54:08,136 INFO L435 NwaCegarLoop]: 105 mSDtfsCounter, 0 mSDsluCounter, 208 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 313 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 14:54:08,136 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 313 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 14:54:08,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-12-02 14:54:08,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-12-02 14:54:08,137 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 14:54:08,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-12-02 14:54:08,137 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 41 [2024-12-02 14:54:08,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:54:08,137 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-12-02 14:54:08,137 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-12-02 14:54:08,137 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-12-02 14:54:08,138 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-02 14:54:08,139 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 6 remaining) [2024-12-02 14:54:08,140 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 6 remaining) [2024-12-02 14:54:08,140 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 6 remaining) [2024-12-02 14:54:08,140 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 6 remaining) [2024-12-02 14:54:08,140 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 6 remaining) [2024-12-02 14:54:08,140 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 6 remaining) [2024-12-02 14:54:08,141 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-12-02 14:54:08,144 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:54:08,145 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-12-02 14:54:08,184 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 14:54:08,189 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 02:54:08 BoogieIcfgContainer [2024-12-02 14:54:08,189 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 14:54:08,189 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 14:54:08,189 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 14:54:08,190 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 14:54:08,190 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:54:06" (3/4) ... [2024-12-02 14:54:08,192 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-02 14:54:08,197 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2024-12-02 14:54:08,197 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2024-12-02 14:54:08,202 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2024-12-02 14:54:08,202 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-12-02 14:54:08,203 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-12-02 14:54:08,203 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-02 14:54:08,270 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d2c73fc-4277-469c-8ac8-b47c6d36df2a/bin/uautomizer-verify-84ZbGMXZE1/witness.graphml [2024-12-02 14:54:08,270 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d2c73fc-4277-469c-8ac8-b47c6d36df2a/bin/uautomizer-verify-84ZbGMXZE1/witness.yml [2024-12-02 14:54:08,270 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 14:54:08,270 INFO L158 Benchmark]: Toolchain (without parser) took 3160.48ms. Allocated memory is still 142.6MB. Free memory was 115.6MB in the beginning and 79.1MB in the end (delta: 36.5MB). Peak memory consumption was 34.0MB. Max. memory is 16.1GB. [2024-12-02 14:54:08,271 INFO L158 Benchmark]: CDTParser took 0.28ms. 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 14:54:08,271 INFO L158 Benchmark]: CACSL2BoogieTranslator took 850.79ms. Allocated memory is still 142.6MB. Free memory was 115.5MB in the beginning and 106.0MB in the end (delta: 9.5MB). Peak memory consumption was 66.6MB. Max. memory is 16.1GB. [2024-12-02 14:54:08,271 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.01ms. Allocated memory is still 142.6MB. Free memory was 105.4MB in the beginning and 102.5MB in the end (delta: 2.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 14:54:08,271 INFO L158 Benchmark]: Boogie Preprocessor took 33.09ms. Allocated memory is still 142.6MB. Free memory was 102.5MB in the beginning and 100.4MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 14:54:08,272 INFO L158 Benchmark]: RCFGBuilder took 465.74ms. Allocated memory is still 142.6MB. Free memory was 100.4MB in the beginning and 78.5MB in the end (delta: 21.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-02 14:54:08,272 INFO L158 Benchmark]: TraceAbstraction took 1678.79ms. Allocated memory is still 142.6MB. Free memory was 77.9MB in the beginning and 84.9MB in the end (delta: -7.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 14:54:08,272 INFO L158 Benchmark]: Witness Printer took 80.44ms. Allocated memory is still 142.6MB. Free memory was 84.9MB in the beginning and 79.1MB in the end (delta: 5.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 14:54:08,273 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 142.6MB. Free memory is still 82.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 850.79ms. Allocated memory is still 142.6MB. Free memory was 115.5MB in the beginning and 106.0MB in the end (delta: 9.5MB). Peak memory consumption was 66.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.01ms. Allocated memory is still 142.6MB. Free memory was 105.4MB in the beginning and 102.5MB in the end (delta: 2.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.09ms. Allocated memory is still 142.6MB. Free memory was 102.5MB in the beginning and 100.4MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 465.74ms. Allocated memory is still 142.6MB. Free memory was 100.4MB in the beginning and 78.5MB in the end (delta: 21.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 1678.79ms. Allocated memory is still 142.6MB. Free memory was 77.9MB in the beginning and 84.9MB in the end (delta: -7.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 80.44ms. Allocated memory is still 142.6MB. Free memory was 84.9MB in the beginning and 79.1MB in the end (delta: 5.8MB). There was no memory consumed. 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: 1605]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1605]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1621]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1621]: 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 - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 93 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 1.6s, OverallIterations: 8, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 138 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 137 mSDsluCounter, 2043 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1156 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 58 IncrementalHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 887 mSDtfsCounter, 58 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 59 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=93occurred in iteration=0, InterpolantAutomatonStates: 28, 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, 8 MinimizatonAttempts, 2 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 280 NumberOfCodeBlocks, 280 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 271 ConstructedInterpolants, 0 QuantifiedInterpolants, 344 SizeOfPredicates, 0 NumberOfNonLiveVariables, 162 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 9 InterpolantComputations, 8 PerfectInterpolantSequences, 41/44 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 14:54:08,286 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d2c73fc-4277-469c-8ac8-b47c6d36df2a/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