./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_12_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_c70ffd65-1a32-4dff-b84b-6fe8b683afd8/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70ffd65-1a32-4dff-b84b-6fe8b683afd8/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_c70ffd65-1a32-4dff-b84b-6fe8b683afd8/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70ffd65-1a32-4dff-b84b-6fe8b683afd8/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_12_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70ffd65-1a32-4dff-b84b-6fe8b683afd8/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_c70ffd65-1a32-4dff-b84b-6fe8b683afd8/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 99aff3f761e42e8d40c811a93a69cd2a8ce92a7e3fa3ebd7d00c731d8f8d7c47 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 12:27:39,280 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 12:27:39,343 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70ffd65-1a32-4dff-b84b-6fe8b683afd8/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-12-02 12:27:39,348 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 12:27:39,349 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 12:27:39,373 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 12:27:39,373 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 12:27:39,374 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 12:27:39,374 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 12:27:39,374 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 12:27:39,374 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 12:27:39,374 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 12:27:39,375 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 12:27:39,375 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 12:27:39,375 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 12:27:39,375 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 12:27:39,375 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 12:27:39,375 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 12:27:39,376 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 12:27:39,376 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 12:27:39,376 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 12:27:39,376 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 12:27:39,376 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-02 12:27:39,376 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-02 12:27:39,376 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 12:27:39,376 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 12:27:39,376 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 12:27:39,376 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 12:27:39,377 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 12:27:39,377 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 12:27:39,377 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 12:27:39,377 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 12:27:39,377 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 12:27:39,377 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 12:27:39,377 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 12:27:39,377 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 12:27:39,377 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 12:27:39,377 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 12:27:39,378 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 12:27:39,378 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 12:27:39,378 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 12:27:39,378 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 12:27:39,378 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 12:27:39,378 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 12:27:39,378 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 12:27:39,378 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 12:27:39,378 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 12:27:39,378 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_c70ffd65-1a32-4dff-b84b-6fe8b683afd8/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 -> 99aff3f761e42e8d40c811a93a69cd2a8ce92a7e3fa3ebd7d00c731d8f8d7c47 [2024-12-02 12:27:39,619 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 12:27:39,628 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 12:27:39,630 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 12:27:39,632 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 12:27:39,632 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 12:27:39,633 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70ffd65-1a32-4dff-b84b-6fe8b683afd8/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_12_good.i [2024-12-02 12:27:42,445 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70ffd65-1a32-4dff-b84b-6fe8b683afd8/bin/uautomizer-verify-84ZbGMXZE1/data/1f56d890e/5cacae0e9e6a4c4791828519eddca689/FLAG413dc9b82 [2024-12-02 12:27:42,761 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 12:27:42,762 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70ffd65-1a32-4dff-b84b-6fe8b683afd8/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_12_good.i [2024-12-02 12:27:42,781 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70ffd65-1a32-4dff-b84b-6fe8b683afd8/bin/uautomizer-verify-84ZbGMXZE1/data/1f56d890e/5cacae0e9e6a4c4791828519eddca689/FLAG413dc9b82 [2024-12-02 12:27:42,996 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70ffd65-1a32-4dff-b84b-6fe8b683afd8/bin/uautomizer-verify-84ZbGMXZE1/data/1f56d890e/5cacae0e9e6a4c4791828519eddca689 [2024-12-02 12:27:42,999 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 12:27:43,000 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 12:27:43,002 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 12:27:43,002 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 12:27:43,007 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 12:27:43,008 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:27:42" (1/1) ... [2024-12-02 12:27:43,009 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@591b5611 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:27:43, skipping insertion in model container [2024-12-02 12:27:43,009 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:27:42" (1/1) ... [2024-12-02 12:27:43,048 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 12:27:43,828 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 12:27:43,837 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 12:27:43,916 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 12:27:44,019 INFO L204 MainTranslator]: Completed translation [2024-12-02 12:27:44,020 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:27:44 WrapperNode [2024-12-02 12:27:44,020 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 12:27:44,021 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 12:27:44,021 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 12:27:44,021 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 12:27:44,026 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:27:44" (1/1) ... [2024-12-02 12:27:44,040 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:27:44" (1/1) ... [2024-12-02 12:27:44,055 INFO L138 Inliner]: procedures = 499, calls = 36, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 83 [2024-12-02 12:27:44,056 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 12:27:44,056 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 12:27:44,056 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 12:27:44,056 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 12:27:44,065 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:27:44" (1/1) ... [2024-12-02 12:27:44,065 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:27:44" (1/1) ... [2024-12-02 12:27:44,067 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:27:44" (1/1) ... [2024-12-02 12:27:44,074 INFO L175 MemorySlicer]: No memory access in input program. [2024-12-02 12:27:44,074 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:27:44" (1/1) ... [2024-12-02 12:27:44,074 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:27:44" (1/1) ... [2024-12-02 12:27:44,077 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:27:44" (1/1) ... [2024-12-02 12:27:44,078 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:27:44" (1/1) ... [2024-12-02 12:27:44,079 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:27:44" (1/1) ... [2024-12-02 12:27:44,080 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:27:44" (1/1) ... [2024-12-02 12:27:44,080 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:27:44" (1/1) ... [2024-12-02 12:27:44,082 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 12:27:44,082 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 12:27:44,082 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 12:27:44,082 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 12:27:44,083 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:27:44" (1/1) ... [2024-12-02 12:27:44,088 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 12:27:44,101 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70ffd65-1a32-4dff-b84b-6fe8b683afd8/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:27:44,113 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70ffd65-1a32-4dff-b84b-6fe8b683afd8/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 12:27:44,116 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70ffd65-1a32-4dff-b84b-6fe8b683afd8/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 12:27:44,141 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2024-12-02 12:27:44,141 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2024-12-02 12:27:44,141 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsTrueOrFalse [2024-12-02 12:27:44,141 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsTrueOrFalse [2024-12-02 12:27:44,141 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-02 12:27:44,141 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-02 12:27:44,141 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 12:27:44,141 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 12:27:44,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 12:27:44,251 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 12:27:44,252 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 12:27:44,412 INFO L? ?]: Removed 34 outVars from TransFormulas that were not future-live. [2024-12-02 12:27:44,412 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 12:27:44,421 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 12:27:44,422 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-02 12:27:44,422 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:27:44 BoogieIcfgContainer [2024-12-02 12:27:44,422 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 12:27:44,425 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 12:27:44,425 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 12:27:44,430 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 12:27:44,430 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 12:27:42" (1/3) ... [2024-12-02 12:27:44,431 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c98531a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:27:44, skipping insertion in model container [2024-12-02 12:27:44,431 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:27:44" (2/3) ... [2024-12-02 12:27:44,431 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c98531a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:27:44, skipping insertion in model container [2024-12-02 12:27:44,431 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:27:44" (3/3) ... [2024-12-02 12:27:44,432 INFO L128 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_min_multiply_12_good.i [2024-12-02 12:27:44,448 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 12:27:44,450 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG CWE191_Integer_Underflow__int_min_multiply_12_good.i that has 4 procedures, 66 locations, 1 initial locations, 0 loop locations, and 8 error locations. [2024-12-02 12:27:44,490 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 12:27:44,500 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;@7f84bbc5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 12:27:44,500 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-12-02 12:27:44,503 INFO L276 IsEmpty]: Start isEmpty. Operand has 66 states, 42 states have (on average 1.4523809523809523) internal successors, (61), 52 states have internal predecessors, (61), 12 states have call successors, (12), 3 states have call predecessors, (12), 3 states have return successors, (12), 11 states have call predecessors, (12), 12 states have call successors, (12) [2024-12-02 12:27:44,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-02 12:27:44,509 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:27:44,509 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:27:44,510 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-12-02 12:27:44,514 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:27:44,515 INFO L85 PathProgramCache]: Analyzing trace with hash 1305754705, now seen corresponding path program 1 times [2024-12-02 12:27:44,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:27:44,522 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1611035402] [2024-12-02 12:27:44,522 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:27:44,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:27:44,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:27:44,743 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-12-02 12:27:44,743 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:27:44,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1611035402] [2024-12-02 12:27:44,744 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1611035402] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:27:44,744 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:27:44,744 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 12:27:44,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2039304620] [2024-12-02 12:27:44,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:27:44,748 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 12:27:44,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:27:44,765 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 12:27:44,766 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:27:44,768 INFO L87 Difference]: Start difference. First operand has 66 states, 42 states have (on average 1.4523809523809523) internal successors, (61), 52 states have internal predecessors, (61), 12 states have call successors, (12), 3 states have call predecessors, (12), 3 states have return successors, (12), 11 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-12-02 12:27:44,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:27:44,812 INFO L93 Difference]: Finished difference Result 104 states and 129 transitions. [2024-12-02 12:27:44,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 12:27:44,814 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 23 [2024-12-02 12:27:44,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:27:44,821 INFO L225 Difference]: With dead ends: 104 [2024-12-02 12:27:44,821 INFO L226 Difference]: Without dead ends: 40 [2024-12-02 12:27:44,823 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 12:27:44,826 INFO L435 NwaCegarLoop]: 63 mSDtfsCounter, 2 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 119 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 12:27:44,827 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 119 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 12:27:44,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2024-12-02 12:27:44,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2024-12-02 12:27:44,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 27 states have (on average 1.2592592592592593) internal successors, (34), 31 states have internal predecessors, (34), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) [2024-12-02 12:27:44,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 48 transitions. [2024-12-02 12:27:44,859 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 48 transitions. Word has length 23 [2024-12-02 12:27:44,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:27:44,860 INFO L471 AbstractCegarLoop]: Abstraction has 40 states and 48 transitions. [2024-12-02 12:27:44,860 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-12-02 12:27:44,861 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 48 transitions. [2024-12-02 12:27:44,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-12-02 12:27:44,862 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:27:44,862 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 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 12:27:44,863 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-02 12:27:44,863 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-12-02 12:27:44,863 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:27:44,864 INFO L85 PathProgramCache]: Analyzing trace with hash 323130058, now seen corresponding path program 1 times [2024-12-02 12:27:44,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:27:44,864 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2093688793] [2024-12-02 12:27:44,864 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:27:44,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:27:44,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:27:44,973 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-02 12:27:44,974 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:27:44,974 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2093688793] [2024-12-02 12:27:44,974 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2093688793] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:27:44,974 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:27:44,974 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 12:27:44,974 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [508139041] [2024-12-02 12:27:44,974 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:27:44,975 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 12:27:44,975 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:27:44,976 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 12:27:44,976 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:27:44,976 INFO L87 Difference]: Start difference. First operand 40 states and 48 transitions. Second operand has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-12-02 12:27:44,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:27:44,995 INFO L93 Difference]: Finished difference Result 40 states and 48 transitions. [2024-12-02 12:27:44,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 12:27:44,996 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 42 [2024-12-02 12:27:44,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:27:44,997 INFO L225 Difference]: With dead ends: 40 [2024-12-02 12:27:44,997 INFO L226 Difference]: Without dead ends: 38 [2024-12-02 12:27:44,997 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 12:27:44,998 INFO L435 NwaCegarLoop]: 40 mSDtfsCounter, 4 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 74 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 12:27:44,998 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 74 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 12:27:44,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2024-12-02 12:27:45,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2024-12-02 12:27:45,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 27 states have (on average 1.1851851851851851) internal successors, (32), 29 states have internal predecessors, (32), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) [2024-12-02 12:27:45,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 46 transitions. [2024-12-02 12:27:45,003 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 46 transitions. Word has length 42 [2024-12-02 12:27:45,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:27:45,004 INFO L471 AbstractCegarLoop]: Abstraction has 38 states and 46 transitions. [2024-12-02 12:27:45,004 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-12-02 12:27:45,004 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 46 transitions. [2024-12-02 12:27:45,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-02 12:27:45,005 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:27:45,005 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 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, 1] [2024-12-02 12:27:45,005 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 12:27:45,005 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-12-02 12:27:45,006 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:27:45,006 INFO L85 PathProgramCache]: Analyzing trace with hash 1427097340, now seen corresponding path program 1 times [2024-12-02 12:27:45,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:27:45,006 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [376344141] [2024-12-02 12:27:45,006 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:27:45,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:27:45,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:27:45,091 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-02 12:27:45,091 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:27:45,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [376344141] [2024-12-02 12:27:45,092 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [376344141] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:27:45,092 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:27:45,092 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 12:27:45,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [972040426] [2024-12-02 12:27:45,092 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:27:45,092 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 12:27:45,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:27:45,093 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 12:27:45,093 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:27:45,093 INFO L87 Difference]: Start difference. First operand 38 states and 46 transitions. Second operand has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-12-02 12:27:45,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:27:45,112 INFO L93 Difference]: Finished difference Result 38 states and 46 transitions. [2024-12-02 12:27:45,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 12:27:45,112 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 43 [2024-12-02 12:27:45,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:27:45,113 INFO L225 Difference]: With dead ends: 38 [2024-12-02 12:27:45,113 INFO L226 Difference]: Without dead ends: 0 [2024-12-02 12:27:45,113 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 12:27:45,114 INFO L435 NwaCegarLoop]: 40 mSDtfsCounter, 3 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 74 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 12:27:45,114 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 74 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 12:27:45,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-12-02 12:27:45,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-12-02 12:27:45,115 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 12:27:45,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-12-02 12:27:45,115 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 43 [2024-12-02 12:27:45,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:27:45,116 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-12-02 12:27:45,116 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-12-02 12:27:45,116 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-12-02 12:27:45,116 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-02 12:27:45,118 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2024-12-02 12:27:45,118 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2024-12-02 12:27:45,118 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2024-12-02 12:27:45,119 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2024-12-02 12:27:45,119 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2024-12-02 12:27:45,119 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2024-12-02 12:27:45,119 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2024-12-02 12:27:45,119 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2024-12-02 12:27:45,119 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 12:27:45,122 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-12-02 12:27:45,123 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-12-02 12:27:45,153 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 12:27:45,158 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 12:27:45 BoogieIcfgContainer [2024-12-02 12:27:45,158 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 12:27:45,159 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 12:27:45,159 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 12:27:45,159 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 12:27:45,159 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:27:44" (3/4) ... [2024-12-02 12:27:45,162 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-02 12:27:45,165 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2024-12-02 12:27:45,165 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure globalReturnsTrueOrFalse [2024-12-02 12:27:45,165 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2024-12-02 12:27:45,169 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2024-12-02 12:27:45,169 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-12-02 12:27:45,169 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-12-02 12:27:45,169 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-02 12:27:45,228 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70ffd65-1a32-4dff-b84b-6fe8b683afd8/bin/uautomizer-verify-84ZbGMXZE1/witness.graphml [2024-12-02 12:27:45,229 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70ffd65-1a32-4dff-b84b-6fe8b683afd8/bin/uautomizer-verify-84ZbGMXZE1/witness.yml [2024-12-02 12:27:45,229 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 12:27:45,229 INFO L158 Benchmark]: Toolchain (without parser) took 2229.20ms. Allocated memory is still 142.6MB. Free memory was 115.6MB in the beginning and 94.6MB in the end (delta: 20.9MB). Peak memory consumption was 24.8MB. Max. memory is 16.1GB. [2024-12-02 12:27:45,230 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 142.6MB. Free memory is still 83.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 12:27:45,230 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1018.45ms. Allocated memory is still 142.6MB. Free memory was 115.4MB in the beginning and 105.2MB in the end (delta: 10.2MB). Peak memory consumption was 58.2MB. Max. memory is 16.1GB. [2024-12-02 12:27:45,230 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.10ms. Allocated memory is still 142.6MB. Free memory was 105.2MB in the beginning and 102.4MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 12:27:45,230 INFO L158 Benchmark]: Boogie Preprocessor took 25.53ms. Allocated memory is still 142.6MB. Free memory was 102.4MB in the beginning and 100.7MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 12:27:45,231 INFO L158 Benchmark]: RCFGBuilder took 340.05ms. Allocated memory is still 142.6MB. Free memory was 100.7MB in the beginning and 86.1MB in the end (delta: 14.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 12:27:45,231 INFO L158 Benchmark]: TraceAbstraction took 733.55ms. Allocated memory is still 142.6MB. Free memory was 85.6MB in the beginning and 99.6MB in the end (delta: -14.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 12:27:45,231 INFO L158 Benchmark]: Witness Printer took 69.98ms. Allocated memory is still 142.6MB. Free memory was 99.6MB in the beginning and 94.6MB in the end (delta: 5.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 12:27:45,233 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 142.6MB. Free memory is still 83.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1018.45ms. Allocated memory is still 142.6MB. Free memory was 115.4MB in the beginning and 105.2MB in the end (delta: 10.2MB). Peak memory consumption was 58.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.10ms. Allocated memory is still 142.6MB. Free memory was 105.2MB in the beginning and 102.4MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 25.53ms. Allocated memory is still 142.6MB. Free memory was 102.4MB in the beginning and 100.7MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 340.05ms. Allocated memory is still 142.6MB. Free memory was 100.7MB in the beginning and 86.1MB in the end (delta: 14.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 733.55ms. Allocated memory is still 142.6MB. Free memory was 85.6MB in the beginning and 99.6MB in the end (delta: -14.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 69.98ms. Allocated memory is still 142.6MB. Free memory was 99.6MB in the beginning and 94.6MB in the end (delta: 5.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1566]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1566]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1581]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1581]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1607]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1607]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1615]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1615]: 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 4 procedures, 66 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 3, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 9 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 9 mSDsluCounter, 267 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 124 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 19 IncrementalHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 143 mSDtfsCounter, 19 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=66occurred in iteration=0, InterpolantAutomatonStates: 9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 108 NumberOfCodeBlocks, 108 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 105 ConstructedInterpolants, 0 QuantifiedInterpolants, 169 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 47/47 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-12-02 12:27:45,248 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70ffd65-1a32-4dff-b84b-6fe8b683afd8/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