./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/psyco/psyco_math_1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1a0f823-ff32-4786-9e91-2a9ef802887c/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1a0f823-ff32-4786-9e91-2a9ef802887c/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1a0f823-ff32-4786-9e91-2a9ef802887c/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1a0f823-ff32-4786-9e91-2a9ef802887c/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/psyco/psyco_math_1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1a0f823-ff32-4786-9e91-2a9ef802887c/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1a0f823-ff32-4786-9e91-2a9ef802887c/bin/utaipan-verify-NcY6lQBIFX --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 63c09076012948d358ef22d7f5bfd1d18463c56506eb9759740cc4520130fa60 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:43:50,449 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:43:50,525 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1a0f823-ff32-4786-9e91-2a9ef802887c/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Overflow-32bit-Taipan_Default.epf [2023-11-12 00:43:50,551 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:43:50,551 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:43:50,595 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:43:50,596 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:43:50,596 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:43:50,597 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:43:50,598 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:43:50,598 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:43:50,599 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:43:50,600 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:43:50,600 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 00:43:50,601 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:43:50,601 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:43:50,602 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 00:43:50,602 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 00:43:50,603 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:43:50,604 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 00:43:50,604 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 00:43:50,605 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 00:43:50,605 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:43:50,606 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:43:50,606 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:43:50,607 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:43:50,607 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:43:50,608 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:43:50,608 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:43:50,608 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:43:50,609 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:43:50,609 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-12 00:43:50,610 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 00:43:50,610 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:43:50,611 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:43:50,611 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:43:50,611 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:43:50,612 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:43:50,612 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:43:50,613 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:43:50,613 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:43:50,614 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:43:50,614 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 00:43:50,615 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:43:50,615 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:43:50,616 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:43:50,616 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:43:50,616 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1a0f823-ff32-4786-9e91-2a9ef802887c/bin/utaipan-verify-NcY6lQBIFX/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1a0f823-ff32-4786-9e91-2a9ef802887c/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 63c09076012948d358ef22d7f5bfd1d18463c56506eb9759740cc4520130fa60 [2023-11-12 00:43:50,896 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:43:50,960 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:43:50,964 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:43:50,977 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:43:50,979 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:43:50,980 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1a0f823-ff32-4786-9e91-2a9ef802887c/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/psyco/psyco_math_1.c [2023-11-12 00:43:54,311 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:43:54,628 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:43:54,629 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1a0f823-ff32-4786-9e91-2a9ef802887c/sv-benchmarks/c/psyco/psyco_math_1.c [2023-11-12 00:43:54,649 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1a0f823-ff32-4786-9e91-2a9ef802887c/bin/utaipan-verify-NcY6lQBIFX/data/d10d6cb2c/38274d78d19f4255b8998bcaedd5f143/FLAG4e759a89e [2023-11-12 00:43:54,675 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1a0f823-ff32-4786-9e91-2a9ef802887c/bin/utaipan-verify-NcY6lQBIFX/data/d10d6cb2c/38274d78d19f4255b8998bcaedd5f143 [2023-11-12 00:43:54,683 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:43:54,687 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:43:54,689 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:43:54,690 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:43:54,696 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:43:54,700 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:43:54" (1/1) ... [2023-11-12 00:43:54,702 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44b13dab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:43:54, skipping insertion in model container [2023-11-12 00:43:54,702 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:43:54" (1/1) ... [2023-11-12 00:43:54,768 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:43:55,038 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:43:55,058 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:43:55,104 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:43:55,120 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:43:55,120 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:43:55 WrapperNode [2023-11-12 00:43:55,121 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:43:55,122 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:43:55,122 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:43:55,122 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:43:55,131 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:43:55" (1/1) ... [2023-11-12 00:43:55,144 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:43:55" (1/1) ... [2023-11-12 00:43:55,195 INFO L138 Inliner]: procedures = 12, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 504 [2023-11-12 00:43:55,195 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:43:55,196 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:43:55,196 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:43:55,197 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:43:55,208 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:43:55" (1/1) ... [2023-11-12 00:43:55,208 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:43:55" (1/1) ... [2023-11-12 00:43:55,214 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:43:55" (1/1) ... [2023-11-12 00:43:55,214 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:43:55" (1/1) ... [2023-11-12 00:43:55,226 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:43:55" (1/1) ... [2023-11-12 00:43:55,234 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:43:55" (1/1) ... [2023-11-12 00:43:55,238 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:43:55" (1/1) ... [2023-11-12 00:43:55,241 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:43:55" (1/1) ... [2023-11-12 00:43:55,247 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:43:55,248 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:43:55,248 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:43:55,248 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:43:55,249 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:43:55" (1/1) ... [2023-11-12 00:43:55,258 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:43:55,276 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1a0f823-ff32-4786-9e91-2a9ef802887c/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:43:55,298 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1a0f823-ff32-4786-9e91-2a9ef802887c/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:43:55,316 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1a0f823-ff32-4786-9e91-2a9ef802887c/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:43:55,357 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:43:55,358 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:43:55,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:43:55,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:43:55,472 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:43:55,475 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:43:56,225 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:43:56,445 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:43:56,445 INFO L302 CfgBuilder]: Removed 9 assume(true) statements. [2023-11-12 00:43:56,449 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:43:56 BoogieIcfgContainer [2023-11-12 00:43:56,449 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:43:56,454 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:43:56,454 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:43:56,458 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:43:56,458 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:43:54" (1/3) ... [2023-11-12 00:43:56,460 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bfb2390 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:43:56, skipping insertion in model container [2023-11-12 00:43:56,460 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:43:55" (2/3) ... [2023-11-12 00:43:56,462 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bfb2390 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:43:56, skipping insertion in model container [2023-11-12 00:43:56,462 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:43:56" (3/3) ... [2023-11-12 00:43:56,465 INFO L112 eAbstractionObserver]: Analyzing ICFG psyco_math_1.c [2023-11-12 00:43:56,486 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:43:56,487 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 20 error locations. [2023-11-12 00:43:56,541 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:43:56,549 INFO L357 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, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, 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;@3de31957, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:43:56,549 INFO L358 AbstractCegarLoop]: Starting to check reachability of 20 error locations. [2023-11-12 00:43:56,554 INFO L276 IsEmpty]: Start isEmpty. Operand has 123 states, 102 states have (on average 1.9019607843137254) internal successors, (194), 122 states have internal predecessors, (194), 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) [2023-11-12 00:43:56,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-12 00:43:56,562 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:43:56,563 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:43:56,564 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2023-11-12 00:43:56,570 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:43:56,570 INFO L85 PathProgramCache]: Analyzing trace with hash -812823526, now seen corresponding path program 1 times [2023-11-12 00:43:56,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:43:56,580 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2048264052] [2023-11-12 00:43:56,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:43:56,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:43:56,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:43:56,780 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:43:56,780 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:43:56,781 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2048264052] [2023-11-12 00:43:56,782 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2048264052] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:43:56,782 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:43:56,782 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 00:43:56,783 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1240354161] [2023-11-12 00:43:56,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:43:56,788 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 00:43:56,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:43:56,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 00:43:56,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:43:56,822 INFO L87 Difference]: Start difference. First operand has 123 states, 102 states have (on average 1.9019607843137254) internal successors, (194), 122 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 2 states have internal predecessors, (9), 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) [2023-11-12 00:43:56,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:43:56,977 INFO L93 Difference]: Finished difference Result 246 states and 390 transitions. [2023-11-12 00:43:56,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 00:43:56,980 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2023-11-12 00:43:56,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:43:56,992 INFO L225 Difference]: With dead ends: 246 [2023-11-12 00:43:56,992 INFO L226 Difference]: Without dead ends: 109 [2023-11-12 00:43:56,996 INFO L412 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 [2023-11-12 00:43:57,001 INFO L413 NwaCegarLoop]: 149 mSDtfsCounter, 4 mSDsluCounter, 123 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 272 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-12 00:43:57,002 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 272 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-12 00:43:57,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2023-11-12 00:43:57,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 109. [2023-11-12 00:43:57,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 89 states have (on average 1.6067415730337078) internal successors, (143), 108 states have internal predecessors, (143), 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) [2023-11-12 00:43:57,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 143 transitions. [2023-11-12 00:43:57,067 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 143 transitions. Word has length 9 [2023-11-12 00:43:57,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:43:57,067 INFO L495 AbstractCegarLoop]: Abstraction has 109 states and 143 transitions. [2023-11-12 00:43:57,067 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 2 states have internal predecessors, (9), 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) [2023-11-12 00:43:57,068 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 143 transitions. [2023-11-12 00:43:57,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-12 00:43:57,069 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:43:57,069 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:43:57,069 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 00:43:57,070 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2023-11-12 00:43:57,070 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:43:57,070 INFO L85 PathProgramCache]: Analyzing trace with hash -699111981, now seen corresponding path program 1 times [2023-11-12 00:43:57,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:43:57,071 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2145159422] [2023-11-12 00:43:57,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:43:57,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:43:57,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:43:57,120 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 00:43:57,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:43:57,174 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-12 00:43:57,175 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-12 00:43:57,177 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 20 remaining) [2023-11-12 00:43:57,179 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 20 remaining) [2023-11-12 00:43:57,179 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 20 remaining) [2023-11-12 00:43:57,180 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 20 remaining) [2023-11-12 00:43:57,180 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 20 remaining) [2023-11-12 00:43:57,180 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 20 remaining) [2023-11-12 00:43:57,181 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 20 remaining) [2023-11-12 00:43:57,181 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 20 remaining) [2023-11-12 00:43:57,181 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 20 remaining) [2023-11-12 00:43:57,181 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 20 remaining) [2023-11-12 00:43:57,182 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 20 remaining) [2023-11-12 00:43:57,182 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 20 remaining) [2023-11-12 00:43:57,182 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 20 remaining) [2023-11-12 00:43:57,183 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 20 remaining) [2023-11-12 00:43:57,183 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 20 remaining) [2023-11-12 00:43:57,183 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 20 remaining) [2023-11-12 00:43:57,184 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 20 remaining) [2023-11-12 00:43:57,184 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 20 remaining) [2023-11-12 00:43:57,184 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 20 remaining) [2023-11-12 00:43:57,184 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 20 remaining) [2023-11-12 00:43:57,185 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-12 00:43:57,189 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-12 00:43:57,193 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-11-12 00:43:57,224 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short28 could not be translated [2023-11-12 00:43:57,226 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short28 could not be translated [2023-11-12 00:43:57,238 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 12:43:57 BoogieIcfgContainer [2023-11-12 00:43:57,238 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-12 00:43:57,239 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 00:43:57,239 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 00:43:57,239 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 00:43:57,239 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:43:56" (3/4) ... [2023-11-12 00:43:57,240 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-12 00:43:57,253 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short28 could not be translated [2023-11-12 00:43:57,254 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short28 could not be translated [2023-11-12 00:43:57,304 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1a0f823-ff32-4786-9e91-2a9ef802887c/bin/utaipan-verify-NcY6lQBIFX/witness.graphml [2023-11-12 00:43:57,304 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 00:43:57,305 INFO L158 Benchmark]: Toolchain (without parser) took 2617.50ms. Allocated memory is still 172.0MB. Free memory was 141.0MB in the beginning and 121.9MB in the end (delta: 19.1MB). Peak memory consumption was 18.7MB. Max. memory is 16.1GB. [2023-11-12 00:43:57,305 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 115.3MB. Free memory is still 88.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:43:57,306 INFO L158 Benchmark]: CACSL2BoogieTranslator took 431.63ms. Allocated memory is still 172.0MB. Free memory was 141.0MB in the beginning and 128.0MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-12 00:43:57,306 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.71ms. Allocated memory is still 172.0MB. Free memory was 128.0MB in the beginning and 124.4MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-12 00:43:57,306 INFO L158 Benchmark]: Boogie Preprocessor took 50.81ms. Allocated memory is still 172.0MB. Free memory was 124.4MB in the beginning and 122.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:43:57,307 INFO L158 Benchmark]: RCFGBuilder took 1201.53ms. Allocated memory is still 172.0MB. Free memory was 122.3MB in the beginning and 99.4MB in the end (delta: 22.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-12 00:43:57,307 INFO L158 Benchmark]: TraceAbstraction took 784.38ms. Allocated memory is still 172.0MB. Free memory was 98.5MB in the beginning and 125.1MB in the end (delta: -26.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:43:57,308 INFO L158 Benchmark]: Witness Printer took 65.60ms. Allocated memory is still 172.0MB. Free memory was 125.1MB in the beginning and 121.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:43:57,310 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 115.3MB. Free memory is still 88.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 431.63ms. Allocated memory is still 172.0MB. Free memory was 141.0MB in the beginning and 128.0MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 73.71ms. Allocated memory is still 172.0MB. Free memory was 128.0MB in the beginning and 124.4MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.81ms. Allocated memory is still 172.0MB. Free memory was 124.4MB in the beginning and 122.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1201.53ms. Allocated memory is still 172.0MB. Free memory was 122.3MB in the beginning and 99.4MB in the end (delta: 22.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 784.38ms. Allocated memory is still 172.0MB. Free memory was 98.5MB in the beginning and 125.1MB in the end (delta: -26.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 65.60ms. Allocated memory is still 172.0MB. Free memory was 125.1MB in the beginning and 121.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short28 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short28 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short28 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short28 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * 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 - CounterExampleResult [Line: 141]: integer overflow possible integer overflow possible We found a FailurePath: [L7] int m_isPowerOfTwo = 1; [L8] int m_IntMath = 2; [L9] int m_log10 = 3; [L10] int m_checkedSubtract = 4; [L11] int m_checkedMultiply = 5; [L12] int m_log2 = 6; [L13] int m_checkedAdd = 7; [L14] int m_mod_1 = 8; [L15] int m_mod_2 = 9; [L16] int m_factorial_1 = 10; [L17] int m_factorial_2 = 11; [L22] int q = 0; [L23] int method_id; VAL [m_IntMath=2, m_checkedAdd=7, m_checkedMultiply=5, m_checkedSubtract=4, m_factorial_1=10, m_factorial_2=11, m_isPowerOfTwo=1, m_log10=3, m_log2=6, m_mod_1=8, m_mod_2=9, q=0] [L28] COND TRUE 1 [L31] int P1=__VERIFIER_nondet_int(); [L32] int P2=__VERIFIER_nondet_int(); [L33] int P3=__VERIFIER_nondet_int(); [L34] int P4=__VERIFIER_nondet_int(); [L35] int P5=__VERIFIER_nondet_int(); [L36] int P6=__VERIFIER_nondet_int(); [L37] int P7=__VERIFIER_nondet_int(); [L38] int P8=__VERIFIER_nondet_int(); [L39] int P9=__VERIFIER_nondet_int(); [L40] int P10=__VERIFIER_nondet_int(); [L41] int P11=__VERIFIER_nondet_int(); [L42] int P12=__VERIFIER_nondet_int(); [L43] int P13=__VERIFIER_nondet_int(); [L44] int P14=__VERIFIER_nondet_int(); [L45] int P15=__VERIFIER_nondet_int(); [L46] int P16=__VERIFIER_nondet_int(); [L47] int P17=__VERIFIER_nondet_int(); [L51] COND TRUE q == 0 [L52] COND TRUE __VERIFIER_nondet_int() [L56] method_id = 2 VAL [P10=0, P11=0, P12=0, P13=0, P14=0, P15=0, P16=0, P17=0, P1=0, P2=0, P3=0, P4=0, P5=0, P6=0, P7=0, P8=0, P9=0, m_IntMath=2, m_checkedAdd=7, m_checkedMultiply=5, m_checkedSubtract=4, m_factorial_1=10, m_factorial_2=11, m_isPowerOfTwo=1, m_log10=3, m_log2=6, m_mod_1=8, m_mod_2=9, method_id=2, q=0] [L58] COND FALSE !(0) [L62] q = 2 VAL [P10=0, P11=0, P12=0, P13=0, P14=0, P15=0, P16=0, P17=0, P1=0, P2=0, P3=0, P4=0, P5=0, P6=0, P7=0, P8=0, P9=0, m_IntMath=2, m_checkedAdd=7, m_checkedMultiply=5, m_checkedSubtract=4, m_factorial_1=10, m_factorial_2=11, m_isPowerOfTwo=1, m_log10=3, m_log2=6, m_mod_1=8, m_mod_2=9, method_id=2, q=2] [L28] COND TRUE 1 [L31] int P1=__VERIFIER_nondet_int(); [L32] int P2=__VERIFIER_nondet_int(); [L33] int P3=__VERIFIER_nondet_int(); [L34] int P4=__VERIFIER_nondet_int(); [L35] int P5=__VERIFIER_nondet_int(); [L36] int P6=__VERIFIER_nondet_int(); [L37] int P7=__VERIFIER_nondet_int(); [L38] int P8=__VERIFIER_nondet_int(); [L39] int P9=__VERIFIER_nondet_int(); [L40] int P10=__VERIFIER_nondet_int(); [L41] int P11=__VERIFIER_nondet_int(); [L42] int P12=__VERIFIER_nondet_int(); [L43] int P13=__VERIFIER_nondet_int(); [L44] int P14=__VERIFIER_nondet_int(); [L45] int P15=__VERIFIER_nondet_int(); [L46] int P16=__VERIFIER_nondet_int(); [L47] int P17=__VERIFIER_nondet_int(); [L51] COND FALSE !(q == 0) VAL [P10=0, P11=0, P12=0, P13=0, P14=0, P15=0, P16=0, P17=0, P1=-2147483648, P2=0, P3=0, P4=0, P5=0, P6=0, P7=0, P8=0, P9=0, m_IntMath=2, m_checkedAdd=7, m_checkedMultiply=5, m_checkedSubtract=4, m_factorial_1=10, m_factorial_2=11, m_isPowerOfTwo=1, m_log10=3, m_log2=6, m_mod_1=8, m_mod_2=9, method_id=2, q=2] [L70] COND FALSE !(q == 1) VAL [P10=0, P11=0, P12=0, P13=0, P14=0, P15=0, P16=0, P17=0, P1=-2147483648, P2=0, P3=0, P4=0, P5=0, P6=0, P7=0, P8=0, P9=0, m_IntMath=2, m_checkedAdd=7, m_checkedMultiply=5, m_checkedSubtract=4, m_factorial_1=10, m_factorial_2=11, m_isPowerOfTwo=1, m_log10=3, m_log2=6, m_mod_1=8, m_mod_2=9, method_id=2, q=2] [L138] COND TRUE q == 2 [L139] COND TRUE __VERIFIER_nondet_int() [L141] 1&& ((((P1 & (P1 - 1)) == 0) && (P1 > 0)) || 0) VAL [P10=0, P11=0, P12=0, P13=0, P14=0, P15=0, P16=0, P17=0, P1=-2147483648, P2=0, P3=0, P4=0, P5=0, P6=0, P7=0, P8=0, P9=0, m_IntMath=2, m_checkedAdd=7, m_checkedMultiply=5, m_checkedSubtract=4, m_factorial_1=10, m_factorial_2=11, m_isPowerOfTwo=1, m_log10=3, m_log2=6, m_mod_1=8, m_mod_2=9, method_id=2, q=2] [L141] P1 - 1 VAL [P10=0, P11=0, P12=0, P13=0, P14=0, P15=0, P16=0, P17=0, P1=-2147483648, P2=0, P3=0, P4=0, P5=0, P6=0, P7=0, P8=0, P9=0, m_IntMath=2, m_checkedAdd=7, m_checkedMultiply=5, m_checkedSubtract=4, m_factorial_1=10, m_factorial_2=11, m_isPowerOfTwo=1, m_log10=3, m_log2=6, m_mod_1=8, m_mod_2=9, method_id=2, q=2] - UnprovableResult [Line: 141]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 156]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 156]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 156]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 156]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 171]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 171]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 171]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 171]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 171]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 171]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 186]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 186]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 186]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 186]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 186]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 186]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 186]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 186]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 123 locations, 20 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 2, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4 mSDsluCounter, 272 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 123 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 47 IncrementalHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 149 mSDtfsCounter, 47 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=123occurred in iteration=0, InterpolantAutomatonStates: 3, 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 14 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2023-11-12 00:43:57,345 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1a0f823-ff32-4786-9e91-2a9ef802887c/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)