./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/array-tiling/pr4.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2cebb76-7e5a-4322-8621-431b79eddd13/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2cebb76-7e5a-4322-8621-431b79eddd13/bin/utaipan-verify-sOmjnqqW8E/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2cebb76-7e5a-4322-8621-431b79eddd13/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2cebb76-7e5a-4322-8621-431b79eddd13/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/array-tiling/pr4.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2cebb76-7e5a-4322-8621-431b79eddd13/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2cebb76-7e5a-4322-8621-431b79eddd13/bin/utaipan-verify-sOmjnqqW8E --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 14a75e050103eb09182e049a798a738dec478e3acaa4fb01ae8649b715b8362f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 23:44:16,224 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 23:44:16,288 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2cebb76-7e5a-4322-8621-431b79eddd13/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Overflow-32bit-Taipan_Default.epf [2024-11-13 23:44:16,293 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 23:44:16,293 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 23:44:16,317 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 23:44:16,318 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 23:44:16,318 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 23:44:16,319 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 23:44:16,319 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 23:44:16,319 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-13 23:44:16,319 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-13 23:44:16,319 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-13 23:44:16,320 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-13 23:44:16,320 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-13 23:44:16,320 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-13 23:44:16,320 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-13 23:44:16,320 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-13 23:44:16,320 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-13 23:44:16,320 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-13 23:44:16,321 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-13 23:44:16,321 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-13 23:44:16,321 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 23:44:16,321 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 23:44:16,321 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 23:44:16,322 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 23:44:16,322 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 23:44:16,322 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 23:44:16,322 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 23:44:16,322 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 23:44:16,322 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 23:44:16,322 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 23:44:16,322 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 23:44:16,322 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 23:44:16,322 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 23:44:16,323 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 23:44:16,323 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 23:44:16,323 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 23:44:16,323 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 23:44:16,323 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 23:44:16,323 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-13 23:44:16,323 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 23:44:16,323 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 23:44:16,324 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 23:44:16,324 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-13 23:44:16,324 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 23:44:16,324 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 23:44:16,324 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-13 23:44:16,324 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 23:44:16,324 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_f2cebb76-7e5a-4322-8621-431b79eddd13/bin/utaipan-verify-sOmjnqqW8E 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 -> 14a75e050103eb09182e049a798a738dec478e3acaa4fb01ae8649b715b8362f [2024-11-13 23:44:16,603 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 23:44:16,611 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 23:44:16,614 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 23:44:16,616 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 23:44:16,617 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 23:44:16,619 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2cebb76-7e5a-4322-8621-431b79eddd13/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/array-tiling/pr4.c Unable to find full path for "g++" [2024-11-13 23:44:18,546 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 23:44:18,879 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 23:44:18,879 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2cebb76-7e5a-4322-8621-431b79eddd13/sv-benchmarks/c/array-tiling/pr4.c [2024-11-13 23:44:18,891 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2cebb76-7e5a-4322-8621-431b79eddd13/bin/utaipan-verify-sOmjnqqW8E/data/27b86944f/07c12c0e50644492b2758ed8656a6f59/FLAG50b10fe1c [2024-11-13 23:44:18,921 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2cebb76-7e5a-4322-8621-431b79eddd13/bin/utaipan-verify-sOmjnqqW8E/data/27b86944f/07c12c0e50644492b2758ed8656a6f59 [2024-11-13 23:44:18,924 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 23:44:18,928 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 23:44:18,930 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 23:44:18,931 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 23:44:18,937 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 23:44:18,938 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:44:18" (1/1) ... [2024-11-13 23:44:18,939 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60a73b26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:44:18, skipping insertion in model container [2024-11-13 23:44:18,939 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:44:18" (1/1) ... [2024-11-13 23:44:18,961 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 23:44:19,143 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:44:19,153 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 23:44:19,185 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:44:19,200 INFO L204 MainTranslator]: Completed translation [2024-11-13 23:44:19,200 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:44:19 WrapperNode [2024-11-13 23:44:19,201 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 23:44:19,202 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 23:44:19,202 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 23:44:19,202 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 23:44:19,209 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:44:19" (1/1) ... [2024-11-13 23:44:19,217 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:44:19" (1/1) ... [2024-11-13 23:44:19,244 INFO L138 Inliner]: procedures = 15, calls = 29, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 121 [2024-11-13 23:44:19,245 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 23:44:19,246 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 23:44:19,246 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 23:44:19,246 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 23:44:19,253 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:44:19" (1/1) ... [2024-11-13 23:44:19,253 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:44:19" (1/1) ... [2024-11-13 23:44:19,256 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:44:19" (1/1) ... [2024-11-13 23:44:19,256 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:44:19" (1/1) ... [2024-11-13 23:44:19,263 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:44:19" (1/1) ... [2024-11-13 23:44:19,267 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:44:19" (1/1) ... [2024-11-13 23:44:19,268 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:44:19" (1/1) ... [2024-11-13 23:44:19,269 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:44:19" (1/1) ... [2024-11-13 23:44:19,272 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 23:44:19,273 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 23:44:19,273 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 23:44:19,273 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 23:44:19,274 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:44:19" (1/1) ... [2024-11-13 23:44:19,281 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-13 23:44:19,301 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2cebb76-7e5a-4322-8621-431b79eddd13/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-13 23:44:19,316 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2cebb76-7e5a-4322-8621-431b79eddd13/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-13 23:44:19,319 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2cebb76-7e5a-4322-8621-431b79eddd13/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-13 23:44:19,342 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 23:44:19,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 23:44:19,343 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 23:44:19,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 23:44:19,343 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 23:44:19,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 23:44:19,344 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 23:44:19,344 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 23:44:19,431 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 23:44:19,433 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 23:44:19,802 INFO L? ?]: Removed 50 outVars from TransFormulas that were not future-live. [2024-11-13 23:44:19,802 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 23:44:19,876 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 23:44:19,876 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-13 23:44:19,876 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:44:19 BoogieIcfgContainer [2024-11-13 23:44:19,877 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 23:44:19,879 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 23:44:19,880 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 23:44:19,885 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 23:44:19,885 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 11:44:18" (1/3) ... [2024-11-13 23:44:19,885 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@407a61c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 11:44:19, skipping insertion in model container [2024-11-13 23:44:19,886 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:44:19" (2/3) ... [2024-11-13 23:44:19,886 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@407a61c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 11:44:19, skipping insertion in model container [2024-11-13 23:44:19,886 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:44:19" (3/3) ... [2024-11-13 23:44:19,887 INFO L112 eAbstractionObserver]: Analyzing ICFG pr4.c [2024-11-13 23:44:19,905 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 23:44:19,906 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG pr4.c that has 1 procedures, 90 locations, 1 initial locations, 2 loop locations, and 38 error locations. [2024-11-13 23:44:19,960 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 23:44:19,974 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=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;@13896cd2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 23:44:19,974 INFO L334 AbstractCegarLoop]: Starting to check reachability of 38 error locations. [2024-11-13 23:44:19,978 INFO L276 IsEmpty]: Start isEmpty. Operand has 90 states, 51 states have (on average 1.9215686274509804) internal successors, (98), 89 states have internal predecessors, (98), 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) [2024-11-13 23:44:19,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 23:44:19,984 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:44:19,985 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-11-13 23:44:19,985 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2024-11-13 23:44:19,990 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:44:19,991 INFO L85 PathProgramCache]: Analyzing trace with hash 5998273, now seen corresponding path program 1 times [2024-11-13 23:44:20,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-13 23:44:20,000 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1890391225] [2024-11-13 23:44:20,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:44:20,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:44:20,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:44:20,487 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:44:20,488 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-13 23:44:20,488 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1890391225] [2024-11-13 23:44:20,490 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1890391225] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:44:20,490 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 23:44:20,491 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 23:44:20,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1276787411] [2024-11-13 23:44:20,494 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:44:20,501 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 23:44:20,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-13 23:44:20,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 23:44:20,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-13 23:44:20,531 INFO L87 Difference]: Start difference. First operand has 90 states, 51 states have (on average 1.9215686274509804) internal successors, (98), 89 states have internal predecessors, (98), 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 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 4 states have internal predecessors, (4), 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) [2024-11-13 23:44:20,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:44:20,610 INFO L93 Difference]: Finished difference Result 104 states and 110 transitions. [2024-11-13 23:44:20,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 23:44:20,612 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 4 states have internal predecessors, (4), 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 4 [2024-11-13 23:44:20,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:44:20,621 INFO L225 Difference]: With dead ends: 104 [2024-11-13 23:44:20,623 INFO L226 Difference]: Without dead ends: 86 [2024-11-13 23:44:20,626 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-13 23:44:20,631 INFO L432 NwaCegarLoop]: 86 mSDtfsCounter, 93 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 23:44:20,631 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 88 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 23:44:20,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2024-11-13 23:44:20,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2024-11-13 23:44:20,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 49 states have (on average 1.8571428571428572) internal successors, (91), 85 states have internal predecessors, (91), 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) [2024-11-13 23:44:20,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 91 transitions. [2024-11-13 23:44:20,661 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 91 transitions. Word has length 4 [2024-11-13 23:44:20,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:44:20,662 INFO L471 AbstractCegarLoop]: Abstraction has 86 states and 91 transitions. [2024-11-13 23:44:20,662 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 4 states have internal predecessors, (4), 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) [2024-11-13 23:44:20,662 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 91 transitions. [2024-11-13 23:44:20,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 23:44:20,662 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:44:20,662 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-13 23:44:20,663 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 23:44:20,663 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2024-11-13 23:44:20,664 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:44:20,664 INFO L85 PathProgramCache]: Analyzing trace with hash 185946517, now seen corresponding path program 1 times [2024-11-13 23:44:20,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-13 23:44:20,664 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1141414096] [2024-11-13 23:44:20,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:44:20,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:44:20,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:44:20,981 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:44:20,982 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-13 23:44:20,982 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1141414096] [2024-11-13 23:44:20,982 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1141414096] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:44:20,982 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 23:44:20,982 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 23:44:20,982 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [525491180] [2024-11-13 23:44:20,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:44:20,983 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 23:44:20,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-13 23:44:20,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 23:44:20,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-11-13 23:44:20,987 INFO L87 Difference]: Start difference. First operand 86 states and 91 transitions. Second operand has 6 states, 5 states have (on average 1.0) internal successors, (5), 5 states have internal predecessors, (5), 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) [2024-11-13 23:44:21,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:44:21,039 INFO L93 Difference]: Finished difference Result 86 states and 91 transitions. [2024-11-13 23:44:21,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 23:44:21,040 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.0) internal successors, (5), 5 states have internal predecessors, (5), 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 5 [2024-11-13 23:44:21,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:44:21,041 INFO L225 Difference]: With dead ends: 86 [2024-11-13 23:44:21,041 INFO L226 Difference]: Without dead ends: 85 [2024-11-13 23:44:21,041 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-11-13 23:44:21,042 INFO L432 NwaCegarLoop]: 82 mSDtfsCounter, 174 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 174 SdHoareTripleChecker+Valid, 82 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 23:44:21,042 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [174 Valid, 82 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 23:44:21,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2024-11-13 23:44:21,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2024-11-13 23:44:21,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 49 states have (on average 1.836734693877551) internal successors, (90), 84 states have internal predecessors, (90), 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) [2024-11-13 23:44:21,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 90 transitions. [2024-11-13 23:44:21,052 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 90 transitions. Word has length 5 [2024-11-13 23:44:21,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:44:21,052 INFO L471 AbstractCegarLoop]: Abstraction has 85 states and 90 transitions. [2024-11-13 23:44:21,052 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.0) internal successors, (5), 5 states have internal predecessors, (5), 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) [2024-11-13 23:44:21,053 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 90 transitions. [2024-11-13 23:44:21,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 23:44:21,053 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:44:21,055 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:44:21,055 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 23:44:21,055 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2024-11-13 23:44:21,056 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:44:21,056 INFO L85 PathProgramCache]: Analyzing trace with hash -975065208, now seen corresponding path program 1 times [2024-11-13 23:44:21,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-13 23:44:21,056 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2083467416] [2024-11-13 23:44:21,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:44:21,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:44:21,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:44:21,160 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:44:21,160 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-13 23:44:21,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2083467416] [2024-11-13 23:44:21,160 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2083467416] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:44:21,160 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 23:44:21,161 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 23:44:21,161 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [241467734] [2024-11-13 23:44:21,161 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:44:21,161 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 23:44:21,161 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-13 23:44:21,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 23:44:21,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 23:44:21,162 INFO L87 Difference]: Start difference. First operand 85 states and 90 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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) [2024-11-13 23:44:21,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:44:21,461 INFO L93 Difference]: Finished difference Result 157 states and 167 transitions. [2024-11-13 23:44:21,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 23:44:21,464 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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 8 [2024-11-13 23:44:21,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:44:21,465 INFO L225 Difference]: With dead ends: 157 [2024-11-13 23:44:21,465 INFO L226 Difference]: Without dead ends: 125 [2024-11-13 23:44:21,465 INFO L431 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 [2024-11-13 23:44:21,466 INFO L432 NwaCegarLoop]: 52 mSDtfsCounter, 39 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 68 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-13 23:44:21,467 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 68 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-13 23:44:21,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2024-11-13 23:44:21,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 124. [2024-11-13 23:44:21,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 88 states have (on average 1.5227272727272727) internal successors, (134), 123 states have internal predecessors, (134), 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) [2024-11-13 23:44:21,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 134 transitions. [2024-11-13 23:44:21,478 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 134 transitions. Word has length 8 [2024-11-13 23:44:21,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:44:21,478 INFO L471 AbstractCegarLoop]: Abstraction has 124 states and 134 transitions. [2024-11-13 23:44:21,478 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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) [2024-11-13 23:44:21,478 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 134 transitions. [2024-11-13 23:44:21,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 23:44:21,479 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:44:21,479 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:44:21,479 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-13 23:44:21,479 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2024-11-13 23:44:21,480 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:44:21,480 INFO L85 PathProgramCache]: Analyzing trace with hash -162214852, now seen corresponding path program 1 times [2024-11-13 23:44:21,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-13 23:44:21,480 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [889807807] [2024-11-13 23:44:21,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:44:21,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:44:21,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:44:21,610 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:44:21,611 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-13 23:44:21,611 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [889807807] [2024-11-13 23:44:21,611 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [889807807] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:44:21,611 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 23:44:21,612 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 23:44:21,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [112560140] [2024-11-13 23:44:21,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:44:21,612 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 23:44:21,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-13 23:44:21,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 23:44:21,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 23:44:21,614 INFO L87 Difference]: Start difference. First operand 124 states and 134 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 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) [2024-11-13 23:44:21,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:44:21,799 INFO L93 Difference]: Finished difference Result 129 states and 139 transitions. [2024-11-13 23:44:21,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 23:44:21,799 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 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 [2024-11-13 23:44:21,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:44:21,802 INFO L225 Difference]: With dead ends: 129 [2024-11-13 23:44:21,802 INFO L226 Difference]: Without dead ends: 127 [2024-11-13 23:44:21,802 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 23:44:21,803 INFO L432 NwaCegarLoop]: 85 mSDtfsCounter, 1 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 183 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 23:44:21,806 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 183 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 23:44:21,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2024-11-13 23:44:21,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 127. [2024-11-13 23:44:21,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 91 states have (on average 1.5054945054945055) internal successors, (137), 126 states have internal predecessors, (137), 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) [2024-11-13 23:44:21,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 137 transitions. [2024-11-13 23:44:21,826 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 137 transitions. Word has length 9 [2024-11-13 23:44:21,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:44:21,826 INFO L471 AbstractCegarLoop]: Abstraction has 127 states and 137 transitions. [2024-11-13 23:44:21,826 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 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) [2024-11-13 23:44:21,827 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 137 transitions. [2024-11-13 23:44:21,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:44:21,827 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:44:21,827 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:44:21,827 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-13 23:44:21,827 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2024-11-13 23:44:21,828 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:44:21,828 INFO L85 PathProgramCache]: Analyzing trace with hash -704262430, now seen corresponding path program 1 times [2024-11-13 23:44:21,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-13 23:44:21,828 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [372689914] [2024-11-13 23:44:21,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:44:21,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:44:21,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:44:22,042 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 23:44:22,043 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-13 23:44:22,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [372689914] [2024-11-13 23:44:22,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [372689914] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:44:22,043 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 23:44:22,043 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 23:44:22,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [4906245] [2024-11-13 23:44:22,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:44:22,043 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 23:44:22,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-13 23:44:22,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 23:44:22,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-13 23:44:22,044 INFO L87 Difference]: Start difference. First operand 127 states and 137 transitions. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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) [2024-11-13 23:44:22,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:44:22,261 INFO L93 Difference]: Finished difference Result 137 states and 147 transitions. [2024-11-13 23:44:22,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 23:44:22,262 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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 12 [2024-11-13 23:44:22,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:44:22,263 INFO L225 Difference]: With dead ends: 137 [2024-11-13 23:44:22,263 INFO L226 Difference]: Without dead ends: 128 [2024-11-13 23:44:22,263 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-13 23:44:22,264 INFO L432 NwaCegarLoop]: 50 mSDtfsCounter, 170 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 23:44:22,264 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [170 Valid, 64 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 23:44:22,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2024-11-13 23:44:22,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 127. [2024-11-13 23:44:22,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 91 states have (on average 1.4945054945054945) internal successors, (136), 126 states have internal predecessors, (136), 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) [2024-11-13 23:44:22,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 136 transitions. [2024-11-13 23:44:22,282 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 136 transitions. Word has length 12 [2024-11-13 23:44:22,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:44:22,283 INFO L471 AbstractCegarLoop]: Abstraction has 127 states and 136 transitions. [2024-11-13 23:44:22,283 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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) [2024-11-13 23:44:22,283 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 136 transitions. [2024-11-13 23:44:22,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-13 23:44:22,283 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:44:22,284 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:44:22,284 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-13 23:44:22,284 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2024-11-13 23:44:22,284 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:44:22,284 INFO L85 PathProgramCache]: Analyzing trace with hash 901390772, now seen corresponding path program 1 times [2024-11-13 23:44:22,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-13 23:44:22,285 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [353144724] [2024-11-13 23:44:22,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:44:22,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:44:22,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:44:22,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:44:22,410 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-13 23:44:22,410 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [353144724] [2024-11-13 23:44:22,410 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [353144724] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:44:22,410 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 23:44:22,410 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 23:44:22,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [393617351] [2024-11-13 23:44:22,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:44:22,410 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 23:44:22,410 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-13 23:44:22,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 23:44:22,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 23:44:22,411 INFO L87 Difference]: Start difference. First operand 127 states and 136 transitions. Second operand has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 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) [2024-11-13 23:44:22,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:44:22,608 INFO L93 Difference]: Finished difference Result 132 states and 141 transitions. [2024-11-13 23:44:22,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 23:44:22,609 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 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 28 [2024-11-13 23:44:22,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:44:22,610 INFO L225 Difference]: With dead ends: 132 [2024-11-13 23:44:22,610 INFO L226 Difference]: Without dead ends: 130 [2024-11-13 23:44:22,610 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 23:44:22,611 INFO L432 NwaCegarLoop]: 51 mSDtfsCounter, 21 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 154 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 115 SdHoareTripleChecker+Invalid, 155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 154 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 23:44:22,611 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 115 Invalid, 155 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 154 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 23:44:22,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2024-11-13 23:44:22,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 130. [2024-11-13 23:44:22,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 94 states have (on average 1.4787234042553192) internal successors, (139), 129 states have internal predecessors, (139), 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) [2024-11-13 23:44:22,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 139 transitions. [2024-11-13 23:44:22,647 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 139 transitions. Word has length 28 [2024-11-13 23:44:22,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:44:22,647 INFO L471 AbstractCegarLoop]: Abstraction has 130 states and 139 transitions. [2024-11-13 23:44:22,647 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 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) [2024-11-13 23:44:22,648 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 139 transitions. [2024-11-13 23:44:22,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-13 23:44:22,648 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:44:22,648 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:44:22,649 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-13 23:44:22,649 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2024-11-13 23:44:22,649 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:44:22,649 INFO L85 PathProgramCache]: Analyzing trace with hash 1746264215, now seen corresponding path program 1 times [2024-11-13 23:44:22,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-13 23:44:22,649 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1517848305] [2024-11-13 23:44:22,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:44:22,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:44:22,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:44:22,819 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:44:22,820 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-13 23:44:22,820 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1517848305] [2024-11-13 23:44:22,820 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1517848305] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 23:44:22,820 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1430709878] [2024-11-13 23:44:22,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:44:22,820 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 23:44:22,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2cebb76-7e5a-4322-8621-431b79eddd13/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-13 23:44:22,824 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2cebb76-7e5a-4322-8621-431b79eddd13/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 23:44:22,826 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2cebb76-7e5a-4322-8621-431b79eddd13/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-13 23:44:22,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:44:22,909 INFO L255 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 23:44:22,914 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:44:23,047 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:44:23,047 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 23:44:23,047 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1430709878] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:44:23,048 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 23:44:23,048 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 7 [2024-11-13 23:44:23,048 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [327525099] [2024-11-13 23:44:23,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:44:23,048 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 23:44:23,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-13 23:44:23,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 23:44:23,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-13 23:44:23,049 INFO L87 Difference]: Start difference. First operand 130 states and 139 transitions. Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 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) [2024-11-13 23:44:23,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:44:23,123 INFO L93 Difference]: Finished difference Result 335 states and 359 transitions. [2024-11-13 23:44:23,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 23:44:23,124 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 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 34 [2024-11-13 23:44:23,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:44:23,125 INFO L225 Difference]: With dead ends: 335 [2024-11-13 23:44:23,125 INFO L226 Difference]: Without dead ends: 225 [2024-11-13 23:44:23,126 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-13 23:44:23,127 INFO L432 NwaCegarLoop]: 84 mSDtfsCounter, 218 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 218 SdHoareTripleChecker+Valid, 153 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 23:44:23,129 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [218 Valid, 153 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 23:44:23,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2024-11-13 23:44:23,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 190. [2024-11-13 23:44:23,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 190 states, 154 states have (on average 1.5) internal successors, (231), 189 states have internal predecessors, (231), 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) [2024-11-13 23:44:23,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 231 transitions. [2024-11-13 23:44:23,145 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 231 transitions. Word has length 34 [2024-11-13 23:44:23,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:44:23,145 INFO L471 AbstractCegarLoop]: Abstraction has 190 states and 231 transitions. [2024-11-13 23:44:23,145 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 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) [2024-11-13 23:44:23,145 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 231 transitions. [2024-11-13 23:44:23,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-13 23:44:23,146 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:44:23,146 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:44:23,166 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2cebb76-7e5a-4322-8621-431b79eddd13/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-13 23:44:23,350 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2cebb76-7e5a-4322-8621-431b79eddd13/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 23:44:23,351 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2024-11-13 23:44:23,351 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:44:23,351 INFO L85 PathProgramCache]: Analyzing trace with hash -1376202355, now seen corresponding path program 1 times [2024-11-13 23:44:23,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-13 23:44:23,351 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1082070975] [2024-11-13 23:44:23,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:44:23,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:44:23,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:44:23,456 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:44:23,456 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-13 23:44:23,456 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1082070975] [2024-11-13 23:44:23,456 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1082070975] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 23:44:23,457 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1100370959] [2024-11-13 23:44:23,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:44:23,457 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 23:44:23,457 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2cebb76-7e5a-4322-8621-431b79eddd13/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-13 23:44:23,459 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2cebb76-7e5a-4322-8621-431b79eddd13/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 23:44:23,464 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2cebb76-7e5a-4322-8621-431b79eddd13/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-13 23:44:23,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:44:23,547 INFO L255 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 23:44:23,549 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:44:23,724 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:44:23,726 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 23:44:23,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1100370959] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:44:23,726 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 23:44:23,726 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 7 [2024-11-13 23:44:23,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [690709347] [2024-11-13 23:44:23,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:44:23,727 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 23:44:23,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-13 23:44:23,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 23:44:23,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-13 23:44:23,729 INFO L87 Difference]: Start difference. First operand 190 states and 231 transitions. Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 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) [2024-11-13 23:44:23,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:44:23,814 INFO L93 Difference]: Finished difference Result 434 states and 539 transitions. [2024-11-13 23:44:23,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 23:44:23,816 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 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 34 [2024-11-13 23:44:23,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:44:23,817 INFO L225 Difference]: With dead ends: 434 [2024-11-13 23:44:23,817 INFO L226 Difference]: Without dead ends: 301 [2024-11-13 23:44:23,818 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-13 23:44:23,819 INFO L432 NwaCegarLoop]: 103 mSDtfsCounter, 188 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 188 SdHoareTripleChecker+Valid, 171 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 23:44:23,819 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [188 Valid, 171 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 23:44:23,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 301 states. [2024-11-13 23:44:23,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 301 to 266. [2024-11-13 23:44:23,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 266 states, 230 states have (on average 1.5565217391304347) internal successors, (358), 265 states have internal predecessors, (358), 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) [2024-11-13 23:44:23,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 358 transitions. [2024-11-13 23:44:23,842 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 358 transitions. Word has length 34 [2024-11-13 23:44:23,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:44:23,842 INFO L471 AbstractCegarLoop]: Abstraction has 266 states and 358 transitions. [2024-11-13 23:44:23,843 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 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) [2024-11-13 23:44:23,843 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 358 transitions. [2024-11-13 23:44:23,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-13 23:44:23,848 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:44:23,848 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:44:23,873 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2cebb76-7e5a-4322-8621-431b79eddd13/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-13 23:44:24,048 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2cebb76-7e5a-4322-8621-431b79eddd13/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 23:44:24,049 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2024-11-13 23:44:24,049 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:44:24,049 INFO L85 PathProgramCache]: Analyzing trace with hash 1921074455, now seen corresponding path program 1 times [2024-11-13 23:44:24,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-13 23:44:24,049 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2034267335] [2024-11-13 23:44:24,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:44:24,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:44:24,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:44:24,170 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:44:24,170 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-13 23:44:24,170 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2034267335] [2024-11-13 23:44:24,170 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2034267335] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 23:44:24,170 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1858540525] [2024-11-13 23:44:24,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:44:24,171 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 23:44:24,171 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2cebb76-7e5a-4322-8621-431b79eddd13/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-13 23:44:24,173 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2cebb76-7e5a-4322-8621-431b79eddd13/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 23:44:24,176 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2cebb76-7e5a-4322-8621-431b79eddd13/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-13 23:44:24,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:44:24,244 INFO L255 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 23:44:24,246 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:44:24,327 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:44:24,327 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 23:44:24,327 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1858540525] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:44:24,327 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 23:44:24,328 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2024-11-13 23:44:24,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1214882014] [2024-11-13 23:44:24,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:44:24,328 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 23:44:24,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-13 23:44:24,328 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 23:44:24,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-13 23:44:24,329 INFO L87 Difference]: Start difference. First operand 266 states and 358 transitions. Second operand has 5 states, 4 states have (on average 8.5) internal successors, (34), 5 states have internal predecessors, (34), 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) [2024-11-13 23:44:24,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:44:24,596 INFO L93 Difference]: Finished difference Result 266 states and 358 transitions. [2024-11-13 23:44:24,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 23:44:24,598 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.5) internal successors, (34), 5 states have internal predecessors, (34), 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 34 [2024-11-13 23:44:24,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:44:24,599 INFO L225 Difference]: With dead ends: 266 [2024-11-13 23:44:24,599 INFO L226 Difference]: Without dead ends: 249 [2024-11-13 23:44:24,600 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-13 23:44:24,601 INFO L432 NwaCegarLoop]: 26 mSDtfsCounter, 59 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 265 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 68 SdHoareTripleChecker+Invalid, 281 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 265 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 23:44:24,601 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 68 Invalid, 281 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 265 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 23:44:24,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2024-11-13 23:44:24,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 249. [2024-11-13 23:44:24,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 249 states, 230 states have (on average 1.3304347826086957) internal successors, (306), 248 states have internal predecessors, (306), 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) [2024-11-13 23:44:24,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 306 transitions. [2024-11-13 23:44:24,630 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 306 transitions. Word has length 34 [2024-11-13 23:44:24,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:44:24,630 INFO L471 AbstractCegarLoop]: Abstraction has 249 states and 306 transitions. [2024-11-13 23:44:24,630 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.5) internal successors, (34), 5 states have internal predecessors, (34), 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) [2024-11-13 23:44:24,630 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 306 transitions. [2024-11-13 23:44:24,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-13 23:44:24,631 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:44:24,631 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:44:24,655 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2cebb76-7e5a-4322-8621-431b79eddd13/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-13 23:44:24,839 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2cebb76-7e5a-4322-8621-431b79eddd13/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2024-11-13 23:44:24,840 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2024-11-13 23:44:24,840 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:44:24,840 INFO L85 PathProgramCache]: Analyzing trace with hash -576233973, now seen corresponding path program 1 times [2024-11-13 23:44:24,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-13 23:44:24,840 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [141676777] [2024-11-13 23:44:24,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:44:24,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:44:24,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:44:24,943 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:44:24,943 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-13 23:44:24,944 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [141676777] [2024-11-13 23:44:24,944 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [141676777] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 23:44:24,944 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1392073773] [2024-11-13 23:44:24,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:44:24,944 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 23:44:24,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2cebb76-7e5a-4322-8621-431b79eddd13/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-13 23:44:24,947 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2cebb76-7e5a-4322-8621-431b79eddd13/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 23:44:24,949 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2cebb76-7e5a-4322-8621-431b79eddd13/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-13 23:44:25,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:44:25,032 INFO L255 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 23:44:25,033 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:44:25,111 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:44:25,111 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 23:44:25,194 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:44:25,194 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1392073773] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 23:44:25,194 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [5427807] [2024-11-13 23:44:25,215 INFO L159 IcfgInterpreter]: Started Sifa with 30 locations of interest [2024-11-13 23:44:25,216 INFO L166 IcfgInterpreter]: Building call graph [2024-11-13 23:44:25,219 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-13 23:44:25,223 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-13 23:44:25,223 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-13 23:44:30,834 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-13 23:44:34,500 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [5427807] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:44:34,500 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-13 23:44:34,500 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [4, 4, 4] total 21 [2024-11-13 23:44:34,501 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2048213926] [2024-11-13 23:44:34,501 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:44:34,501 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-13 23:44:34,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-13 23:44:34,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-13 23:44:34,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=375, Unknown=1, NotChecked=0, Total=462 [2024-11-13 23:44:34,502 INFO L87 Difference]: Start difference. First operand 249 states and 306 transitions. Second operand has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 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) [2024-11-13 23:44:40,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:44:40,474 INFO L93 Difference]: Finished difference Result 331 states and 403 transitions. [2024-11-13 23:44:40,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-13 23:44:40,476 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 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 35 [2024-11-13 23:44:40,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:44:40,477 INFO L225 Difference]: With dead ends: 331 [2024-11-13 23:44:40,477 INFO L226 Difference]: Without dead ends: 275 [2024-11-13 23:44:40,478 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 71 SyntacticMatches, 16 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 376 ImplicationChecksByTransitivity, 6.1s TimeCoverageRelationStatistics Valid=227, Invalid=828, Unknown=1, NotChecked=0, Total=1056 [2024-11-13 23:44:40,479 INFO L432 NwaCegarLoop]: 22 mSDtfsCounter, 240 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 535 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 240 SdHoareTripleChecker+Valid, 59 SdHoareTripleChecker+Invalid, 577 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 535 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2024-11-13 23:44:40,481 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [240 Valid, 59 Invalid, 577 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 535 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2024-11-13 23:44:40,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275 states. [2024-11-13 23:44:40,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275 to 263. [2024-11-13 23:44:40,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 263 states, 244 states have (on average 1.3155737704918034) internal successors, (321), 262 states have internal predecessors, (321), 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) [2024-11-13 23:44:40,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 263 states and 321 transitions. [2024-11-13 23:44:40,499 INFO L78 Accepts]: Start accepts. Automaton has 263 states and 321 transitions. Word has length 35 [2024-11-13 23:44:40,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:44:40,500 INFO L471 AbstractCegarLoop]: Abstraction has 263 states and 321 transitions. [2024-11-13 23:44:40,500 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 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) [2024-11-13 23:44:40,500 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 321 transitions. [2024-11-13 23:44:40,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-13 23:44:40,501 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:44:40,501 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:44:40,526 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2cebb76-7e5a-4322-8621-431b79eddd13/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-13 23:44:40,702 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2cebb76-7e5a-4322-8621-431b79eddd13/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 23:44:40,702 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2024-11-13 23:44:40,703 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:44:40,703 INFO L85 PathProgramCache]: Analyzing trace with hash -505463733, now seen corresponding path program 1 times [2024-11-13 23:44:40,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-13 23:44:40,703 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1453681686] [2024-11-13 23:44:40,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:44:40,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:44:40,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:44:40,809 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:44:40,809 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-13 23:44:40,809 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1453681686] [2024-11-13 23:44:40,809 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1453681686] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 23:44:40,809 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1191710803] [2024-11-13 23:44:40,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:44:40,809 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 23:44:40,809 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2cebb76-7e5a-4322-8621-431b79eddd13/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-13 23:44:40,812 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2cebb76-7e5a-4322-8621-431b79eddd13/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 23:44:40,814 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2cebb76-7e5a-4322-8621-431b79eddd13/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-13 23:44:40,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:44:40,882 INFO L255 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 23:44:40,884 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:44:40,964 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:44:40,965 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 23:44:41,041 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:44:41,041 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1191710803] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 23:44:41,041 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [888403214] [2024-11-13 23:44:41,043 INFO L159 IcfgInterpreter]: Started Sifa with 30 locations of interest [2024-11-13 23:44:41,044 INFO L166 IcfgInterpreter]: Building call graph [2024-11-13 23:44:41,044 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-13 23:44:41,044 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-13 23:44:41,044 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-13 23:44:43,391 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-13 23:44:46,278 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [888403214] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:44:46,278 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-13 23:44:46,278 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [4, 4, 4] total 22 [2024-11-13 23:44:46,279 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [694922036] [2024-11-13 23:44:46,279 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:44:46,279 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-13 23:44:46,279 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-13 23:44:46,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-13 23:44:46,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=395, Unknown=1, NotChecked=0, Total=506 [2024-11-13 23:44:46,280 INFO L87 Difference]: Start difference. First operand 263 states and 321 transitions. Second operand has 15 states, 14 states have (on average 2.142857142857143) internal successors, (30), 14 states have internal predecessors, (30), 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) [2024-11-13 23:44:50,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:44:50,957 INFO L93 Difference]: Finished difference Result 366 states and 444 transitions. [2024-11-13 23:44:50,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-13 23:44:50,957 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 2.142857142857143) internal successors, (30), 14 states have internal predecessors, (30), 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 35 [2024-11-13 23:44:50,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:44:50,959 INFO L225 Difference]: With dead ends: 366 [2024-11-13 23:44:50,959 INFO L226 Difference]: Without dead ends: 351 [2024-11-13 23:44:50,960 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 75 SyntacticMatches, 11 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 343 ImplicationChecksByTransitivity, 4.9s TimeCoverageRelationStatistics Valid=249, Invalid=806, Unknown=1, NotChecked=0, Total=1056 [2024-11-13 23:44:50,961 INFO L432 NwaCegarLoop]: 24 mSDtfsCounter, 427 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 350 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 427 SdHoareTripleChecker+Valid, 50 SdHoareTripleChecker+Invalid, 424 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 350 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2024-11-13 23:44:50,961 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [427 Valid, 50 Invalid, 424 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 350 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2024-11-13 23:44:50,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 351 states. [2024-11-13 23:44:50,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 351 to 317. [2024-11-13 23:44:50,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 317 states, 298 states have (on average 1.278523489932886) internal successors, (381), 316 states have internal predecessors, (381), 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) [2024-11-13 23:44:50,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 317 states and 381 transitions. [2024-11-13 23:44:50,979 INFO L78 Accepts]: Start accepts. Automaton has 317 states and 381 transitions. Word has length 35 [2024-11-13 23:44:50,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:44:50,979 INFO L471 AbstractCegarLoop]: Abstraction has 317 states and 381 transitions. [2024-11-13 23:44:50,979 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 2.142857142857143) internal successors, (30), 14 states have internal predecessors, (30), 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) [2024-11-13 23:44:50,979 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 381 transitions. [2024-11-13 23:44:50,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-13 23:44:50,980 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:44:50,980 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:44:51,000 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2cebb76-7e5a-4322-8621-431b79eddd13/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-13 23:44:51,181 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2cebb76-7e5a-4322-8621-431b79eddd13/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 23:44:51,181 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2024-11-13 23:44:51,181 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:44:51,182 INFO L85 PathProgramCache]: Analyzing trace with hash -1369097727, now seen corresponding path program 1 times [2024-11-13 23:44:51,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-13 23:44:51,182 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1220006069] [2024-11-13 23:44:51,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:44:51,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:44:51,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:44:51,260 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:44:51,260 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-13 23:44:51,260 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1220006069] [2024-11-13 23:44:51,260 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1220006069] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 23:44:51,260 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [611449576] [2024-11-13 23:44:51,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:44:51,260 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 23:44:51,261 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2cebb76-7e5a-4322-8621-431b79eddd13/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-13 23:44:51,263 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2cebb76-7e5a-4322-8621-431b79eddd13/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 23:44:51,265 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2cebb76-7e5a-4322-8621-431b79eddd13/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-13 23:44:51,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:44:51,351 INFO L255 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 23:44:51,352 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:44:51,428 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:44:51,429 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 23:44:51,516 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:44:51,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [611449576] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 23:44:51,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [969413060] [2024-11-13 23:44:51,519 INFO L159 IcfgInterpreter]: Started Sifa with 30 locations of interest [2024-11-13 23:44:51,519 INFO L166 IcfgInterpreter]: Building call graph [2024-11-13 23:44:51,519 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-13 23:44:51,522 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-13 23:44:51,522 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-13 23:44:53,974 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-13 23:44:56,761 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [969413060] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:44:56,761 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-13 23:44:56,761 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [4, 4, 4] total 22 [2024-11-13 23:44:56,762 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1176252277] [2024-11-13 23:44:56,762 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:44:56,762 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-13 23:44:56,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-13 23:44:56,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-13 23:44:56,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=410, Unknown=1, NotChecked=0, Total=506 [2024-11-13 23:44:56,763 INFO L87 Difference]: Start difference. First operand 317 states and 381 transitions. Second operand has 15 states, 14 states have (on average 2.142857142857143) internal successors, (30), 14 states have internal predecessors, (30), 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) [2024-11-13 23:45:05,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:45:05,206 INFO L93 Difference]: Finished difference Result 450 states and 545 transitions. [2024-11-13 23:45:05,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-13 23:45:05,207 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 2.142857142857143) internal successors, (30), 14 states have internal predecessors, (30), 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 35 [2024-11-13 23:45:05,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:45:05,209 INFO L225 Difference]: With dead ends: 450 [2024-11-13 23:45:05,209 INFO L226 Difference]: Without dead ends: 358 [2024-11-13 23:45:05,210 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 72 SyntacticMatches, 14 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 395 ImplicationChecksByTransitivity, 5.5s TimeCoverageRelationStatistics Valid=275, Invalid=984, Unknown=1, NotChecked=0, Total=1260 [2024-11-13 23:45:05,211 INFO L432 NwaCegarLoop]: 24 mSDtfsCounter, 341 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 558 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 341 SdHoareTripleChecker+Valid, 65 SdHoareTripleChecker+Invalid, 626 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 558 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2024-11-13 23:45:05,212 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [341 Valid, 65 Invalid, 626 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 558 Invalid, 0 Unknown, 0 Unchecked, 5.8s Time] [2024-11-13 23:45:05,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 358 states. [2024-11-13 23:45:05,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 358 to 336. [2024-11-13 23:45:05,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 336 states, 317 states have (on average 1.2649842271293374) internal successors, (401), 335 states have internal predecessors, (401), 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) [2024-11-13 23:45:05,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 336 states and 401 transitions. [2024-11-13 23:45:05,233 INFO L78 Accepts]: Start accepts. Automaton has 336 states and 401 transitions. Word has length 35 [2024-11-13 23:45:05,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:45:05,233 INFO L471 AbstractCegarLoop]: Abstraction has 336 states and 401 transitions. [2024-11-13 23:45:05,233 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 2.142857142857143) internal successors, (30), 14 states have internal predecessors, (30), 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) [2024-11-13 23:45:05,233 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 401 transitions. [2024-11-13 23:45:05,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-13 23:45:05,234 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:45:05,234 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:45:05,256 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2cebb76-7e5a-4322-8621-431b79eddd13/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-13 23:45:05,438 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2cebb76-7e5a-4322-8621-431b79eddd13/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-11-13 23:45:05,439 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2024-11-13 23:45:05,439 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:45:05,439 INFO L85 PathProgramCache]: Analyzing trace with hash -436187189, now seen corresponding path program 1 times [2024-11-13 23:45:05,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-13 23:45:05,439 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [42881761] [2024-11-13 23:45:05,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:45:05,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:45:05,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:45:05,481 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:45:05,482 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-13 23:45:05,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [42881761] [2024-11-13 23:45:05,482 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [42881761] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:45:05,482 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 23:45:05,482 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 23:45:05,482 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [938166877] [2024-11-13 23:45:05,482 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:45:05,482 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 23:45:05,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-13 23:45:05,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 23:45:05,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 23:45:05,483 INFO L87 Difference]: Start difference. First operand 336 states and 401 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 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) [2024-11-13 23:45:05,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:45:05,539 INFO L93 Difference]: Finished difference Result 513 states and 610 transitions. [2024-11-13 23:45:05,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 23:45:05,540 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 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 35 [2024-11-13 23:45:05,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:45:05,542 INFO L225 Difference]: With dead ends: 513 [2024-11-13 23:45:05,542 INFO L226 Difference]: Without dead ends: 421 [2024-11-13 23:45:05,542 INFO L431 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 [2024-11-13 23:45:05,543 INFO L432 NwaCegarLoop]: 102 mSDtfsCounter, 37 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 23:45:05,543 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 150 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 23:45:05,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2024-11-13 23:45:05,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 401. [2024-11-13 23:45:05,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 401 states, 382 states have (on average 1.274869109947644) internal successors, (487), 400 states have internal predecessors, (487), 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) [2024-11-13 23:45:05,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 401 states and 487 transitions. [2024-11-13 23:45:05,570 INFO L78 Accepts]: Start accepts. Automaton has 401 states and 487 transitions. Word has length 35 [2024-11-13 23:45:05,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:45:05,570 INFO L471 AbstractCegarLoop]: Abstraction has 401 states and 487 transitions. [2024-11-13 23:45:05,570 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 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) [2024-11-13 23:45:05,570 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 487 transitions. [2024-11-13 23:45:05,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-13 23:45:05,571 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:45:05,571 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:45:05,571 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-13 23:45:05,571 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2024-11-13 23:45:05,572 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:45:05,572 INFO L85 PathProgramCache]: Analyzing trace with hash -436177259, now seen corresponding path program 1 times [2024-11-13 23:45:05,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-13 23:45:05,572 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [777106445] [2024-11-13 23:45:05,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:45:05,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:45:05,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:45:05,664 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:45:05,664 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-13 23:45:05,665 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [777106445] [2024-11-13 23:45:05,665 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [777106445] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 23:45:05,665 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1950750167] [2024-11-13 23:45:05,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:45:05,665 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 23:45:05,665 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2cebb76-7e5a-4322-8621-431b79eddd13/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-13 23:45:05,668 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2cebb76-7e5a-4322-8621-431b79eddd13/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 23:45:05,670 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2cebb76-7e5a-4322-8621-431b79eddd13/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-13 23:45:05,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:45:05,741 INFO L255 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 23:45:05,744 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:45:05,840 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:45:05,840 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 23:45:05,933 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:45:05,933 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1950750167] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 23:45:05,934 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1012969847] [2024-11-13 23:45:05,935 INFO L159 IcfgInterpreter]: Started Sifa with 30 locations of interest [2024-11-13 23:45:05,935 INFO L166 IcfgInterpreter]: Building call graph [2024-11-13 23:45:05,935 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-13 23:45:05,936 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-13 23:45:05,936 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-13 23:45:08,157 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-13 23:45:11,741 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [1012969847] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:45:11,741 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-13 23:45:11,741 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [4, 4, 4] total 21 [2024-11-13 23:45:11,741 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [91892015] [2024-11-13 23:45:11,741 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:45:11,742 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-13 23:45:11,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-13 23:45:11,742 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-13 23:45:11,742 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=374, Unknown=1, NotChecked=0, Total=462 [2024-11-13 23:45:11,743 INFO L87 Difference]: Start difference. First operand 401 states and 487 transitions. Second operand has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 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) [2024-11-13 23:45:16,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:45:16,349 INFO L93 Difference]: Finished difference Result 518 states and 618 transitions. [2024-11-13 23:45:16,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-13 23:45:16,349 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 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 35 [2024-11-13 23:45:16,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:45:16,351 INFO L225 Difference]: With dead ends: 518 [2024-11-13 23:45:16,351 INFO L226 Difference]: Without dead ends: 410 [2024-11-13 23:45:16,352 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 71 SyntacticMatches, 16 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 368 ImplicationChecksByTransitivity, 5.4s TimeCoverageRelationStatistics Valid=213, Invalid=778, Unknown=1, NotChecked=0, Total=992 [2024-11-13 23:45:16,352 INFO L432 NwaCegarLoop]: 24 mSDtfsCounter, 252 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 605 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 252 SdHoareTripleChecker+Valid, 65 SdHoareTripleChecker+Invalid, 656 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 605 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2024-11-13 23:45:16,353 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [252 Valid, 65 Invalid, 656 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 605 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2024-11-13 23:45:16,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 410 states. [2024-11-13 23:45:16,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 410 to 373. [2024-11-13 23:45:16,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 373 states, 354 states have (on average 1.2457627118644068) internal successors, (441), 372 states have internal predecessors, (441), 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) [2024-11-13 23:45:16,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 441 transitions. [2024-11-13 23:45:16,377 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 441 transitions. Word has length 35 [2024-11-13 23:45:16,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:45:16,377 INFO L471 AbstractCegarLoop]: Abstraction has 373 states and 441 transitions. [2024-11-13 23:45:16,377 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 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) [2024-11-13 23:45:16,377 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 441 transitions. [2024-11-13 23:45:16,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-13 23:45:16,378 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:45:16,378 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:45:16,394 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2cebb76-7e5a-4322-8621-431b79eddd13/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-13 23:45:16,578 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2cebb76-7e5a-4322-8621-431b79eddd13/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-13 23:45:16,579 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2024-11-13 23:45:16,579 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:45:16,579 INFO L85 PathProgramCache]: Analyzing trace with hash 1551606879, now seen corresponding path program 1 times [2024-11-13 23:45:16,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-13 23:45:16,579 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2130225204] [2024-11-13 23:45:16,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:45:16,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:45:16,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:45:16,662 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:45:16,662 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-13 23:45:16,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2130225204] [2024-11-13 23:45:16,663 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2130225204] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 23:45:16,663 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [903673385] [2024-11-13 23:45:16,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:45:16,663 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 23:45:16,663 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2cebb76-7e5a-4322-8621-431b79eddd13/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-13 23:45:16,665 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2cebb76-7e5a-4322-8621-431b79eddd13/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 23:45:16,667 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2cebb76-7e5a-4322-8621-431b79eddd13/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-13 23:45:16,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:45:16,751 INFO L255 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 23:45:16,752 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:45:16,827 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:45:16,827 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 23:45:16,893 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:45:16,893 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [903673385] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 23:45:16,893 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1587190369] [2024-11-13 23:45:16,895 INFO L159 IcfgInterpreter]: Started Sifa with 30 locations of interest [2024-11-13 23:45:16,895 INFO L166 IcfgInterpreter]: Building call graph [2024-11-13 23:45:16,895 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-13 23:45:16,895 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-13 23:45:16,895 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-13 23:45:18,944 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-13 23:45:24,310 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [1587190369] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:45:24,310 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-13 23:45:24,310 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [4, 4, 4] total 21 [2024-11-13 23:45:24,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1360746164] [2024-11-13 23:45:24,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:45:24,311 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-13 23:45:24,311 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-13 23:45:24,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-13 23:45:24,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=374, Unknown=1, NotChecked=0, Total=462 [2024-11-13 23:45:24,312 INFO L87 Difference]: Start difference. First operand 373 states and 441 transitions. Second operand has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 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) [2024-11-13 23:45:29,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:45:29,063 INFO L93 Difference]: Finished difference Result 454 states and 523 transitions. [2024-11-13 23:45:29,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-13 23:45:29,064 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 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 35 [2024-11-13 23:45:29,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:45:29,065 INFO L225 Difference]: With dead ends: 454 [2024-11-13 23:45:29,065 INFO L226 Difference]: Without dead ends: 398 [2024-11-13 23:45:29,066 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 71 SyntacticMatches, 16 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 368 ImplicationChecksByTransitivity, 7.3s TimeCoverageRelationStatistics Valid=213, Invalid=778, Unknown=1, NotChecked=0, Total=992 [2024-11-13 23:45:29,067 INFO L432 NwaCegarLoop]: 22 mSDtfsCounter, 159 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 607 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 159 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 643 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 607 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2024-11-13 23:45:29,067 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [159 Valid, 61 Invalid, 643 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 607 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2024-11-13 23:45:29,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 398 states. [2024-11-13 23:45:29,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 398 to 346. [2024-11-13 23:45:29,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 346 states, 329 states have (on average 1.2188449848024316) internal successors, (401), 345 states have internal predecessors, (401), 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) [2024-11-13 23:45:29,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 346 states and 401 transitions. [2024-11-13 23:45:29,095 INFO L78 Accepts]: Start accepts. Automaton has 346 states and 401 transitions. Word has length 35 [2024-11-13 23:45:29,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:45:29,095 INFO L471 AbstractCegarLoop]: Abstraction has 346 states and 401 transitions. [2024-11-13 23:45:29,096 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 13 states have internal predecessors, (30), 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) [2024-11-13 23:45:29,097 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 401 transitions. [2024-11-13 23:45:29,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-13 23:45:29,097 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:45:29,097 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:45:29,120 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2cebb76-7e5a-4322-8621-431b79eddd13/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-13 23:45:29,298 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2cebb76-7e5a-4322-8621-431b79eddd13/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-13 23:45:29,298 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2024-11-13 23:45:29,298 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:45:29,298 INFO L85 PathProgramCache]: Analyzing trace with hash 1454507249, now seen corresponding path program 1 times [2024-11-13 23:45:29,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-13 23:45:29,299 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [547829513] [2024-11-13 23:45:29,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:45:29,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:45:29,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:45:29,394 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-13 23:45:29,394 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-13 23:45:29,394 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [547829513] [2024-11-13 23:45:29,394 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [547829513] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 23:45:29,395 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [853088213] [2024-11-13 23:45:29,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:45:29,395 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 23:45:29,395 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2cebb76-7e5a-4322-8621-431b79eddd13/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-13 23:45:29,397 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2cebb76-7e5a-4322-8621-431b79eddd13/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 23:45:29,400 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2cebb76-7e5a-4322-8621-431b79eddd13/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-13 23:45:29,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:45:29,470 INFO L255 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 23:45:29,471 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:45:29,502 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-13 23:45:29,503 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 23:45:29,503 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [853088213] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:45:29,503 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 23:45:29,503 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2024-11-13 23:45:29,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [619482729] [2024-11-13 23:45:29,503 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:45:29,504 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 23:45:29,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-13 23:45:29,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 23:45:29,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-13 23:45:29,505 INFO L87 Difference]: Start difference. First operand 346 states and 401 transitions. Second operand has 6 states, 5 states have (on average 7.2) internal successors, (36), 6 states have internal predecessors, (36), 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) [2024-11-13 23:45:29,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:45:29,731 INFO L93 Difference]: Finished difference Result 396 states and 451 transitions. [2024-11-13 23:45:29,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 23:45:29,732 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 7.2) internal successors, (36), 6 states have internal predecessors, (36), 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 38 [2024-11-13 23:45:29,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:45:29,733 INFO L225 Difference]: With dead ends: 396 [2024-11-13 23:45:29,734 INFO L226 Difference]: Without dead ends: 395 [2024-11-13 23:45:29,734 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-13 23:45:29,735 INFO L432 NwaCegarLoop]: 30 mSDtfsCounter, 44 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 199 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 84 SdHoareTripleChecker+Invalid, 200 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 199 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 23:45:29,735 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 84 Invalid, 200 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 199 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 23:45:29,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 395 states. [2024-11-13 23:45:29,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 395 to 345. [2024-11-13 23:45:29,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 345 states, 329 states have (on average 1.21580547112462) internal successors, (400), 344 states have internal predecessors, (400), 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) [2024-11-13 23:45:29,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 345 states and 400 transitions. [2024-11-13 23:45:29,761 INFO L78 Accepts]: Start accepts. Automaton has 345 states and 400 transitions. Word has length 38 [2024-11-13 23:45:29,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:45:29,762 INFO L471 AbstractCegarLoop]: Abstraction has 345 states and 400 transitions. [2024-11-13 23:45:29,762 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.2) internal successors, (36), 6 states have internal predecessors, (36), 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) [2024-11-13 23:45:29,762 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 400 transitions. [2024-11-13 23:45:29,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-13 23:45:29,763 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:45:29,763 INFO L215 NwaCegarLoop]: trace histogram [2, 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, 1, 1] [2024-11-13 23:45:29,785 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2cebb76-7e5a-4322-8621-431b79eddd13/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-13 23:45:29,963 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2cebb76-7e5a-4322-8621-431b79eddd13/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-13 23:45:29,963 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2024-11-13 23:45:29,964 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:45:29,964 INFO L85 PathProgramCache]: Analyzing trace with hash 2140051945, now seen corresponding path program 1 times [2024-11-13 23:45:29,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-13 23:45:29,964 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2091161426] [2024-11-13 23:45:29,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:45:29,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:45:29,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:45:30,052 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-13 23:45:30,053 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-13 23:45:30,053 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2091161426] [2024-11-13 23:45:30,053 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2091161426] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 23:45:30,053 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [269379194] [2024-11-13 23:45:30,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:45:30,053 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 23:45:30,053 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2cebb76-7e5a-4322-8621-431b79eddd13/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-13 23:45:30,055 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2cebb76-7e5a-4322-8621-431b79eddd13/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 23:45:30,058 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2cebb76-7e5a-4322-8621-431b79eddd13/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-13 23:45:30,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:45:30,126 INFO L255 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 23:45:30,127 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:45:30,154 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-13 23:45:30,154 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 23:45:30,201 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-13 23:45:30,201 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [269379194] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 23:45:30,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1920687722] [2024-11-13 23:45:30,203 INFO L159 IcfgInterpreter]: Started Sifa with 34 locations of interest [2024-11-13 23:45:30,203 INFO L166 IcfgInterpreter]: Building call graph [2024-11-13 23:45:30,204 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-13 23:45:30,204 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-13 23:45:30,204 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-13 23:45:33,488 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-13 23:45:37,213 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '10877#(<= 1 ~CELLCOUNT~0)' at error location [2024-11-13 23:45:37,213 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2024-11-13 23:45:37,213 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 23:45:37,213 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2024-11-13 23:45:37,213 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2031601093] [2024-11-13 23:45:37,213 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 23:45:37,214 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-13 23:45:37,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-13 23:45:37,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-13 23:45:37,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=152, Invalid=659, Unknown=1, NotChecked=0, Total=812 [2024-11-13 23:45:37,215 INFO L87 Difference]: Start difference. First operand 345 states and 400 transitions. Second operand has 12 states, 11 states have (on average 4.363636363636363) internal successors, (48), 12 states have internal predecessors, (48), 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) [2024-11-13 23:45:37,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:45:37,485 INFO L93 Difference]: Finished difference Result 405 states and 462 transitions. [2024-11-13 23:45:37,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-13 23:45:37,486 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 4.363636363636363) internal successors, (48), 12 states have internal predecessors, (48), 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 39 [2024-11-13 23:45:37,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:45:37,487 INFO L225 Difference]: With dead ends: 405 [2024-11-13 23:45:37,487 INFO L226 Difference]: Without dead ends: 404 [2024-11-13 23:45:37,487 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 79 SyntacticMatches, 14 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 508 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=152, Invalid=659, Unknown=1, NotChecked=0, Total=812 [2024-11-13 23:45:37,488 INFO L432 NwaCegarLoop]: 19 mSDtfsCounter, 120 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 312 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 317 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 312 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 23:45:37,488 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [120 Valid, 95 Invalid, 317 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 312 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 23:45:37,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 404 states. [2024-11-13 23:45:37,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 404 to 354. [2024-11-13 23:45:37,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 354 states, 338 states have (on average 1.2100591715976332) internal successors, (409), 353 states have internal predecessors, (409), 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) [2024-11-13 23:45:37,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 354 states and 409 transitions. [2024-11-13 23:45:37,514 INFO L78 Accepts]: Start accepts. Automaton has 354 states and 409 transitions. Word has length 39 [2024-11-13 23:45:37,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:45:37,514 INFO L471 AbstractCegarLoop]: Abstraction has 354 states and 409 transitions. [2024-11-13 23:45:37,514 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 4.363636363636363) internal successors, (48), 12 states have internal predecessors, (48), 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) [2024-11-13 23:45:37,515 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 409 transitions. [2024-11-13 23:45:37,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-13 23:45:37,515 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:45:37,516 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 4, 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, 1] [2024-11-13 23:45:37,536 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2cebb76-7e5a-4322-8621-431b79eddd13/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-13 23:45:37,716 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2cebb76-7e5a-4322-8621-431b79eddd13/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-13 23:45:37,717 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2024-11-13 23:45:37,717 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:45:37,717 INFO L85 PathProgramCache]: Analyzing trace with hash -1314079027, now seen corresponding path program 2 times [2024-11-13 23:45:37,717 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-13 23:45:37,717 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1005308571] [2024-11-13 23:45:37,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:45:37,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:45:37,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:45:37,986 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-13 23:45:37,986 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-13 23:45:37,986 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1005308571] [2024-11-13 23:45:37,986 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1005308571] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 23:45:37,986 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [340026937] [2024-11-13 23:45:37,987 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-13 23:45:37,987 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 23:45:37,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2cebb76-7e5a-4322-8621-431b79eddd13/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-13 23:45:37,991 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2cebb76-7e5a-4322-8621-431b79eddd13/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 23:45:37,993 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2cebb76-7e5a-4322-8621-431b79eddd13/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-13 23:45:38,073 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-13 23:45:38,073 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 23:45:38,073 INFO L255 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 23:45:38,074 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:45:38,179 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-13 23:45:38,180 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 23:45:38,259 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-13 23:45:38,259 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [340026937] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 23:45:38,259 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [698070995] [2024-11-13 23:45:38,261 INFO L159 IcfgInterpreter]: Started Sifa with 34 locations of interest [2024-11-13 23:45:38,261 INFO L166 IcfgInterpreter]: Building call graph [2024-11-13 23:45:38,261 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-13 23:45:38,261 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-13 23:45:38,261 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-13 23:45:40,934 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-13 23:45:45,737 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '11979#(<= 1 ~CELLCOUNT~0)' at error location [2024-11-13 23:45:45,737 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2024-11-13 23:45:45,737 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 23:45:45,737 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 2, 2] total 13 [2024-11-13 23:45:45,737 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1291132725] [2024-11-13 23:45:45,737 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 23:45:45,738 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-13 23:45:45,738 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-13 23:45:45,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-13 23:45:45,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=158, Invalid=771, Unknown=1, NotChecked=0, Total=930 [2024-11-13 23:45:45,739 INFO L87 Difference]: Start difference. First operand 354 states and 409 transitions. Second operand has 14 states, 13 states have (on average 6.384615384615385) internal successors, (83), 14 states have internal predecessors, (83), 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) [2024-11-13 23:45:46,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:45:46,114 INFO L93 Difference]: Finished difference Result 407 states and 463 transitions. [2024-11-13 23:45:46,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-13 23:45:46,115 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 6.384615384615385) internal successors, (83), 14 states have internal predecessors, (83), 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 48 [2024-11-13 23:45:46,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:45:46,116 INFO L225 Difference]: With dead ends: 407 [2024-11-13 23:45:46,116 INFO L226 Difference]: Without dead ends: 233 [2024-11-13 23:45:46,117 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 110 SyntacticMatches, 15 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 673 ImplicationChecksByTransitivity, 5.1s TimeCoverageRelationStatistics Valid=252, Invalid=1469, Unknown=1, NotChecked=0, Total=1722 [2024-11-13 23:45:46,117 INFO L432 NwaCegarLoop]: 26 mSDtfsCounter, 184 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 191 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 184 SdHoareTripleChecker+Valid, 70 SdHoareTripleChecker+Invalid, 194 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 191 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 23:45:46,118 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [184 Valid, 70 Invalid, 194 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 191 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 23:45:46,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states. [2024-11-13 23:45:46,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 228. [2024-11-13 23:45:46,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 228 states, 213 states have (on average 1.267605633802817) internal successors, (270), 227 states have internal predecessors, (270), 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) [2024-11-13 23:45:46,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 270 transitions. [2024-11-13 23:45:46,130 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 270 transitions. Word has length 48 [2024-11-13 23:45:46,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:45:46,130 INFO L471 AbstractCegarLoop]: Abstraction has 228 states and 270 transitions. [2024-11-13 23:45:46,130 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 6.384615384615385) internal successors, (83), 14 states have internal predecessors, (83), 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) [2024-11-13 23:45:46,130 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 270 transitions. [2024-11-13 23:45:46,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-13 23:45:46,131 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:45:46,131 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:45:46,152 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2cebb76-7e5a-4322-8621-431b79eddd13/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-13 23:45:46,332 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2cebb76-7e5a-4322-8621-431b79eddd13/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-13 23:45:46,332 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2024-11-13 23:45:46,332 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:45:46,332 INFO L85 PathProgramCache]: Analyzing trace with hash -23140107, now seen corresponding path program 1 times [2024-11-13 23:45:46,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-13 23:45:46,332 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [731193356] [2024-11-13 23:45:46,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:45:46,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:45:46,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:45:46,392 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:45:46,392 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-13 23:45:46,392 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [731193356] [2024-11-13 23:45:46,392 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [731193356] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:45:46,392 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 23:45:46,392 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 23:45:46,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2074818050] [2024-11-13 23:45:46,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:45:46,393 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 23:45:46,393 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-13 23:45:46,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 23:45:46,394 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 23:45:46,394 INFO L87 Difference]: Start difference. First operand 228 states and 270 transitions. Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 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) [2024-11-13 23:45:46,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:45:46,423 INFO L93 Difference]: Finished difference Result 239 states and 270 transitions. [2024-11-13 23:45:46,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 23:45:46,424 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 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 55 [2024-11-13 23:45:46,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:45:46,425 INFO L225 Difference]: With dead ends: 239 [2024-11-13 23:45:46,425 INFO L226 Difference]: Without dead ends: 148 [2024-11-13 23:45:46,425 INFO L431 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 [2024-11-13 23:45:46,426 INFO L432 NwaCegarLoop]: 57 mSDtfsCounter, 23 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 68 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 23:45:46,426 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 68 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 23:45:46,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2024-11-13 23:45:46,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 148. [2024-11-13 23:45:46,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 135 states have (on average 1.2074074074074075) internal successors, (163), 147 states have internal predecessors, (163), 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) [2024-11-13 23:45:46,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 163 transitions. [2024-11-13 23:45:46,434 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 163 transitions. Word has length 55 [2024-11-13 23:45:46,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:45:46,434 INFO L471 AbstractCegarLoop]: Abstraction has 148 states and 163 transitions. [2024-11-13 23:45:46,435 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 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) [2024-11-13 23:45:46,435 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 163 transitions. [2024-11-13 23:45:46,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-13 23:45:46,435 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:45:46,435 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:45:46,435 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-13 23:45:46,435 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2024-11-13 23:45:46,436 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:45:46,436 INFO L85 PathProgramCache]: Analyzing trace with hash 974550379, now seen corresponding path program 1 times [2024-11-13 23:45:46,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-13 23:45:46,436 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [570606842] [2024-11-13 23:45:46,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:45:46,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:45:46,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:45:46,492 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:45:46,492 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-13 23:45:46,493 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [570606842] [2024-11-13 23:45:46,493 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [570606842] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:45:46,493 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 23:45:46,493 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 23:45:46,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1714940218] [2024-11-13 23:45:46,493 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:45:46,493 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 23:45:46,494 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-13 23:45:46,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 23:45:46,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 23:45:46,494 INFO L87 Difference]: Start difference. First operand 148 states and 163 transitions. Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 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) [2024-11-13 23:45:46,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:45:46,520 INFO L93 Difference]: Finished difference Result 183 states and 199 transitions. [2024-11-13 23:45:46,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 23:45:46,521 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 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 55 [2024-11-13 23:45:46,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:45:46,522 INFO L225 Difference]: With dead ends: 183 [2024-11-13 23:45:46,522 INFO L226 Difference]: Without dead ends: 102 [2024-11-13 23:45:46,522 INFO L431 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 [2024-11-13 23:45:46,523 INFO L432 NwaCegarLoop]: 54 mSDtfsCounter, 14 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 69 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 23:45:46,523 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 69 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 23:45:46,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2024-11-13 23:45:46,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 87. [2024-11-13 23:45:46,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 78 states have (on average 1.1282051282051282) internal successors, (88), 86 states have internal predecessors, (88), 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) [2024-11-13 23:45:46,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 88 transitions. [2024-11-13 23:45:46,529 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 88 transitions. Word has length 55 [2024-11-13 23:45:46,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:45:46,529 INFO L471 AbstractCegarLoop]: Abstraction has 87 states and 88 transitions. [2024-11-13 23:45:46,529 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 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) [2024-11-13 23:45:46,529 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 88 transitions. [2024-11-13 23:45:46,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-13 23:45:46,530 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:45:46,530 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:45:46,530 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-13 23:45:46,530 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2024-11-13 23:45:46,530 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:45:46,531 INFO L85 PathProgramCache]: Analyzing trace with hash -1027111361, now seen corresponding path program 1 times [2024-11-13 23:45:46,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-13 23:45:46,531 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1261864637] [2024-11-13 23:45:46,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:45:46,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:45:46,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:45:46,567 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:45:46,567 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-13 23:45:46,567 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1261864637] [2024-11-13 23:45:46,568 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1261864637] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:45:46,568 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 23:45:46,568 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 23:45:46,568 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1398506174] [2024-11-13 23:45:46,568 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:45:46,568 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 23:45:46,568 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-13 23:45:46,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 23:45:46,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 23:45:46,569 INFO L87 Difference]: Start difference. First operand 87 states and 88 transitions. Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 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) [2024-11-13 23:45:46,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:45:46,588 INFO L93 Difference]: Finished difference Result 87 states and 88 transitions. [2024-11-13 23:45:46,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 23:45:46,589 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 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 55 [2024-11-13 23:45:46,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:45:46,589 INFO L225 Difference]: With dead ends: 87 [2024-11-13 23:45:46,589 INFO L226 Difference]: Without dead ends: 0 [2024-11-13 23:45:46,589 INFO L431 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 [2024-11-13 23:45:46,590 INFO L432 NwaCegarLoop]: 26 mSDtfsCounter, 0 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 23:45:46,590 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 29 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 23:45:46,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-13 23:45:46,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-13 23:45:46,591 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) [2024-11-13 23:45:46,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-13 23:45:46,591 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 55 [2024-11-13 23:45:46,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:45:46,591 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-13 23:45:46,591 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 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) [2024-11-13 23:45:46,591 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-13 23:45:46,592 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 23:45:46,594 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (37 of 38 remaining) [2024-11-13 23:45:46,595 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (36 of 38 remaining) [2024-11-13 23:45:46,595 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (35 of 38 remaining) [2024-11-13 23:45:46,595 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (34 of 38 remaining) [2024-11-13 23:45:46,595 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (33 of 38 remaining) [2024-11-13 23:45:46,595 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (32 of 38 remaining) [2024-11-13 23:45:46,595 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (31 of 38 remaining) [2024-11-13 23:45:46,595 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (30 of 38 remaining) [2024-11-13 23:45:46,595 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 38 remaining) [2024-11-13 23:45:46,596 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 38 remaining) [2024-11-13 23:45:46,596 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 38 remaining) [2024-11-13 23:45:46,596 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 38 remaining) [2024-11-13 23:45:46,596 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 38 remaining) [2024-11-13 23:45:46,596 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 38 remaining) [2024-11-13 23:45:46,596 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 38 remaining) [2024-11-13 23:45:46,596 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 38 remaining) [2024-11-13 23:45:46,596 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 38 remaining) [2024-11-13 23:45:46,596 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 38 remaining) [2024-11-13 23:45:46,597 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 38 remaining) [2024-11-13 23:45:46,597 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 38 remaining) [2024-11-13 23:45:46,597 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 38 remaining) [2024-11-13 23:45:46,597 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 38 remaining) [2024-11-13 23:45:46,597 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 38 remaining) [2024-11-13 23:45:46,597 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 38 remaining) [2024-11-13 23:45:46,597 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 38 remaining) [2024-11-13 23:45:46,597 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 38 remaining) [2024-11-13 23:45:46,597 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 38 remaining) [2024-11-13 23:45:46,598 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 38 remaining) [2024-11-13 23:45:46,598 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 38 remaining) [2024-11-13 23:45:46,598 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 38 remaining) [2024-11-13 23:45:46,598 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 38 remaining) [2024-11-13 23:45:46,598 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 38 remaining) [2024-11-13 23:45:46,598 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 38 remaining) [2024-11-13 23:45:46,598 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 38 remaining) [2024-11-13 23:45:46,598 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 38 remaining) [2024-11-13 23:45:46,598 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 38 remaining) [2024-11-13 23:45:46,598 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 38 remaining) [2024-11-13 23:45:46,599 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 38 remaining) [2024-11-13 23:45:46,599 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-13 23:45:46,602 INFO L407 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:45:46,604 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-13 23:45:48,636 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 23:45:48,653 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-13 23:45:48,655 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-13 23:45:48,655 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-13 23:45:48,655 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[2]]] [2024-11-13 23:45:48,655 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-13 23:45:48,655 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-13 23:45:48,656 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[2]]] [2024-11-13 23:45:48,656 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-13 23:45:48,656 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-13 23:45:48,656 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[2]]] [2024-11-13 23:45:48,657 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-13 23:45:48,657 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#volArray~0!offset [2024-11-13 23:45:48,657 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-13 23:45:48,658 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-13 23:45:48,658 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[2]]] [2024-11-13 23:45:48,658 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-13 23:45:48,658 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-13 23:45:48,658 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[2]]] [2024-11-13 23:45:48,658 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-13 23:45:48,658 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#volArray~0!base [2024-11-13 23:45:48,658 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-13 23:45:48,659 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-13 23:45:48,659 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] [2024-11-13 23:45:48,659 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-13 23:45:48,659 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-13 23:45:48,659 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] [2024-11-13 23:45:48,659 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-13 23:45:48,659 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-13 23:45:48,660 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[2]]] [2024-11-13 23:45:48,660 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-13 23:45:48,660 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-13 23:45:48,660 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-13 23:45:48,660 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-13 23:45:48,660 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[2]]] [2024-11-13 23:45:48,660 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-13 23:45:48,660 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-13 23:45:48,660 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[2]]] [2024-11-13 23:45:48,661 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-13 23:45:48,661 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-13 23:45:48,661 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[2]]] [2024-11-13 23:45:48,661 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-13 23:45:48,661 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#volArray~0!offset [2024-11-13 23:45:48,661 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-13 23:45:48,661 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-13 23:45:48,662 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[2]]] [2024-11-13 23:45:48,662 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-13 23:45:48,664 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-13 23:45:48,664 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[2]]] [2024-11-13 23:45:48,664 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-13 23:45:48,664 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#volArray~0!base [2024-11-13 23:45:48,664 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-13 23:45:48,664 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-13 23:45:48,664 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] [2024-11-13 23:45:48,664 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-13 23:45:48,664 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-13 23:45:48,664 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] [2024-11-13 23:45:48,665 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-13 23:45:48,665 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-13 23:45:48,665 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[2]]] [2024-11-13 23:45:48,665 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-13 23:45:48,673 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-13 23:45:48,674 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-13 23:45:48,674 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-13 23:45:48,674 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[2]]] [2024-11-13 23:45:48,674 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-13 23:45:48,674 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-13 23:45:48,674 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[2]]] [2024-11-13 23:45:48,675 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-13 23:45:48,675 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-13 23:45:48,675 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[2]]] [2024-11-13 23:45:48,677 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-13 23:45:48,678 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#volArray~0!offset [2024-11-13 23:45:48,678 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-13 23:45:48,678 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-13 23:45:48,678 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[2]]] [2024-11-13 23:45:48,678 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-13 23:45:48,678 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-13 23:45:48,678 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[2]]] [2024-11-13 23:45:48,678 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-13 23:45:48,678 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#volArray~0!base [2024-11-13 23:45:48,678 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-13 23:45:48,678 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-13 23:45:48,678 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] [2024-11-13 23:45:48,679 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-13 23:45:48,679 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-13 23:45:48,679 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] [2024-11-13 23:45:48,679 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-13 23:45:48,679 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-13 23:45:48,679 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[2]]] [2024-11-13 23:45:48,679 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-13 23:45:48,679 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-13 23:45:48,679 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-13 23:45:48,679 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-13 23:45:48,679 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[2]]] [2024-11-13 23:45:48,679 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-13 23:45:48,680 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-13 23:45:48,680 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[2]]] [2024-11-13 23:45:48,680 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-13 23:45:48,680 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-13 23:45:48,680 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[2]]] [2024-11-13 23:45:48,684 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-13 23:45:48,684 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#volArray~0!offset [2024-11-13 23:45:48,685 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-13 23:45:48,685 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-13 23:45:48,685 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[2]]] [2024-11-13 23:45:48,685 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-13 23:45:48,685 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-13 23:45:48,685 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[2]]] [2024-11-13 23:45:48,685 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-13 23:45:48,685 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#volArray~0!base [2024-11-13 23:45:48,686 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-13 23:45:48,686 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-13 23:45:48,686 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] [2024-11-13 23:45:48,686 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-13 23:45:48,686 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-13 23:45:48,686 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] [2024-11-13 23:45:48,686 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-13 23:45:48,686 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-13 23:45:48,687 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[2]]] [2024-11-13 23:45:48,687 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-13 23:45:48,687 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-13 23:45:48,687 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-13 23:45:48,687 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-13 23:45:48,687 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[2]]] [2024-11-13 23:45:48,687 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-13 23:45:48,687 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-13 23:45:48,688 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[2]]] [2024-11-13 23:45:48,688 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-13 23:45:48,688 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-13 23:45:48,688 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[2]]] [2024-11-13 23:45:48,688 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-13 23:45:48,688 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#volArray~0!offset [2024-11-13 23:45:48,689 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-13 23:45:48,689 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-13 23:45:48,689 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[2]]] [2024-11-13 23:45:48,689 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-13 23:45:48,689 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-13 23:45:48,689 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[2]]] [2024-11-13 23:45:48,689 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-13 23:45:48,689 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#volArray~0!base [2024-11-13 23:45:48,689 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-13 23:45:48,689 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-13 23:45:48,689 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] [2024-11-13 23:45:48,689 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-13 23:45:48,689 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-13 23:45:48,689 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] [2024-11-13 23:45:48,690 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-13 23:45:48,690 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-13 23:45:48,690 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[2]]] [2024-11-13 23:45:48,690 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-13 23:45:48,692 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 11:45:48 BoogieIcfgContainer [2024-11-13 23:45:48,692 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 23:45:48,694 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 23:45:48,695 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 23:45:48,695 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 23:45:48,696 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:44:19" (3/4) ... [2024-11-13 23:45:48,699 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 23:45:48,712 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2024-11-13 23:45:48,714 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2024-11-13 23:45:48,714 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-13 23:45:48,715 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 23:45:48,847 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2cebb76-7e5a-4322-8621-431b79eddd13/bin/utaipan-verify-sOmjnqqW8E/witness.graphml [2024-11-13 23:45:48,848 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2cebb76-7e5a-4322-8621-431b79eddd13/bin/utaipan-verify-sOmjnqqW8E/witness.yml [2024-11-13 23:45:48,848 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 23:45:48,850 INFO L158 Benchmark]: Toolchain (without parser) took 89921.39ms. Allocated memory was 117.4MB in the beginning and 1.1GB in the end (delta: 973.1MB). Free memory was 92.8MB in the beginning and 1.0GB in the end (delta: -950.5MB). Peak memory consumption was 17.8MB. Max. memory is 16.1GB. [2024-11-13 23:45:48,851 INFO L158 Benchmark]: CDTParser took 1.00ms. Allocated memory is still 83.9MB. Free memory was 39.6MB in the beginning and 39.5MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:45:48,854 INFO L158 Benchmark]: CACSL2BoogieTranslator took 271.46ms. Allocated memory is still 117.4MB. Free memory was 92.5MB in the beginning and 81.0MB in the end (delta: 11.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 23:45:48,855 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.12ms. Allocated memory is still 117.4MB. Free memory was 81.0MB in the beginning and 79.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:45:48,855 INFO L158 Benchmark]: Boogie Preprocessor took 26.33ms. Allocated memory is still 117.4MB. Free memory was 79.7MB in the beginning and 78.6MB in the end (delta: 1.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 23:45:48,855 INFO L158 Benchmark]: RCFGBuilder took 604.04ms. Allocated memory is still 117.4MB. Free memory was 78.6MB in the beginning and 57.6MB in the end (delta: 20.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 23:45:48,855 INFO L158 Benchmark]: TraceAbstraction took 88812.29ms. Allocated memory was 117.4MB in the beginning and 1.1GB in the end (delta: 973.1MB). Free memory was 56.9MB in the beginning and 1.1GB in the end (delta: -994.9MB). Peak memory consumption was 623.2MB. Max. memory is 16.1GB. [2024-11-13 23:45:48,855 INFO L158 Benchmark]: Witness Printer took 153.34ms. Allocated memory is still 1.1GB. Free memory was 1.1GB in the beginning and 1.0GB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 23:45:48,857 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.00ms. Allocated memory is still 83.9MB. Free memory was 39.6MB in the beginning and 39.5MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 271.46ms. Allocated memory is still 117.4MB. Free memory was 92.5MB in the beginning and 81.0MB in the end (delta: 11.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.12ms. Allocated memory is still 117.4MB. Free memory was 81.0MB in the beginning and 79.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 26.33ms. Allocated memory is still 117.4MB. Free memory was 79.7MB in the beginning and 78.6MB in the end (delta: 1.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 604.04ms. Allocated memory is still 117.4MB. Free memory was 78.6MB in the beginning and 57.6MB in the end (delta: 20.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 88812.29ms. Allocated memory was 117.4MB in the beginning and 1.1GB in the end (delta: 973.1MB). Free memory was 56.9MB in the beginning and 1.1GB in the end (delta: -994.9MB). Peak memory consumption was 623.2MB. Max. memory is 16.1GB. * Witness Printer took 153.34ms. Allocated memory is still 1.1GB. Free memory was 1.1GB in the beginning and 1.0GB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[2]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[2]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[2]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#volArray~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[2]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[2]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#volArray~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[2]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[2]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[2]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[2]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#volArray~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[2]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[2]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#volArray~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[2]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[2]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[2]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[2]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#volArray~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[2]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[2]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#volArray~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[2]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[2]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[2]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[2]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#volArray~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[2]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[2]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#volArray~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[2]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[2]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[2]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[2]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#volArray~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[2]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[2]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#volArray~0!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[2]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression * 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: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 42]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 42]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 42]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 42]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 55]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 55]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 55]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 55]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 60]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 60]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 60]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 60]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 64]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 64]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 64]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 64]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 68]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 68]: 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 1 procedures, 90 locations, 38 error locations. Started 1 CEGAR loops. OverallTime: 86.7s, OverallIterations: 21, TraceHistogramMax: 5, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 31.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2804 SdHoareTripleChecker+Valid, 19.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2804 mSDsluCounter, 1857 SdHoareTripleChecker+Invalid, 18.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 808 mSDsCounter, 329 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4240 IncrementalHoareTripleChecker+Invalid, 4569 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 329 mSolverCounterUnsat, 1049 mSDtfsCounter, 4240 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1062 GetRequests, 697 SyntacticMatches, 102 SemanticMatches, 263 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3034 ImplicationChecksByTransitivity, 38.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=401occurred in iteration=13, InterpolantAutomatonStates: 153, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 21 MinimizatonAttempts, 369 StatesRemovedByMinimization, 14 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 3.9s InterpolantComputationTime, 1070 NumberOfCodeBlocks, 1032 NumberOfCodeBlocksAsserted, 32 NumberOfCheckSat, 1293 ConstructedInterpolants, 0 QuantifiedInterpolants, 3313 SizeOfPredicates, 8 NumberOfNonLiveVariables, 1224 ConjunctsInSsa, 46 ConjunctsInUnsatCore, 39 InterpolantComputations, 14 PerfectInterpolantSequences, 153/315 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: OVERALL_TIME: 14.7s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 5, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 149, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 621, TOOLS_POST_TIME: 13.4s, TOOLS_POST_CALL_APPLICATIONS: 0, TOOLS_POST_CALL_TIME: 0.0s, TOOLS_POST_RETURN_APPLICATIONS: 0, TOOLS_POST_RETURN_TIME: 0.0s, TOOLS_QUANTIFIERELIM_APPLICATIONS: 621, TOOLS_QUANTIFIERELIM_TIME: 13.1s, TOOLS_QUANTIFIERELIM_MAX_TIME: 0.1s, FLUID_QUERY_TIME: 0.0s, FLUID_QUERIES: 811, FLUID_YES_ANSWERS: 3, DOMAIN_JOIN_APPLICATIONS: 18, DOMAIN_JOIN_TIME: 0.2s, DOMAIN_ALPHA_APPLICATIONS: 3, DOMAIN_ALPHA_TIME: 0.1s, DOMAIN_WIDEN_APPLICATIONS: 10, DOMAIN_WIDEN_TIME: 0.2s, DOMAIN_ISSUBSETEQ_APPLICATIONS: 15, DOMAIN_ISSUBSETEQ_TIME: 0.1s, DOMAIN_ISBOTTOM_APPLICATIONS: 149, DOMAIN_ISBOTTOM_TIME: 0.4s, LOOP_SUMMARIZER_APPLICATIONS: 5, LOOP_SUMMARIZER_CACHE_MISSES: 5, LOOP_SUMMARIZER_OVERALL_TIME: 9.2s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 9.2s, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 15, CALL_SUMMARIZER_APPLICATIONS: 0, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME: 0.0s, CALL_SUMMARIZER_NEW_COMPUTATION_TIME: 0.0s, PROCEDURE_GRAPH_BUILDER_TIME: 0.0s, PATH_EXPR_TIME: 0.0s, REGEX_TO_DAG_TIME: 0.0s, DAG_COMPRESSION_TIME: 0.1s, DAG_COMPRESSION_PROCESSED_NODES: 5385, DAG_COMPRESSION_RETAINED_NODES: 541, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 38 specifications checked. All of them hold - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: (((((((((CCCELVOL3 == 7) && (i == 0)) && (2 <= CELLCOUNT)) && (CCCELVOL4 == 5)) && (((CELLCOUNT >= 0) ? (CELLCOUNT % 4) : ((CELLCOUNT % 4) + 4)) == 0)) && (CELLCOUNT <= 2147483647)) && (CCCELVOL1 == 1)) && (CCCELVOL2 == 3)) || ((((((((CCCELVOL3 == 7) && (1 <= i)) && (2 <= CELLCOUNT)) && (CCCELVOL4 == 5)) && (((CELLCOUNT >= 0) ? (CELLCOUNT % 4) : ((CELLCOUNT % 4) + 4)) == 0)) && (CELLCOUNT <= 2147483647)) && (CCCELVOL1 == 1)) && (CCCELVOL2 == 3))) - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: ((((((((((((CCCELVOL3 == 7) && (2 <= CELLCOUNT)) && (CCCELVOL4 == 5)) && (((CELLCOUNT >= 0) ? (CELLCOUNT % 4) : ((CELLCOUNT % 4) + 4)) == 0)) && (CELLCOUNT <= 2147483647)) && (CCCELVOL1 == 1)) && (CCCELVOL2 == 3)) && (2 <= i)) && (i <= 536870913)) && (2 <= MINVAL)) || ((((((((CCCELVOL3 == 7) && (CCCELVOL4 == 5)) && (i == 1)) && (((CELLCOUNT >= 0) ? (CELLCOUNT % 4) : ((CELLCOUNT % 4) + 4)) == 0)) && (CELLCOUNT <= 2147483647)) && (CCCELVOL1 == 1)) && (CCCELVOL2 == 3)) && (1 <= ((CELLCOUNT >= 0) ? (CELLCOUNT / 4) : ((CELLCOUNT / 4) - 1))))) || (((((((((CCCELVOL3 == 7) && (i <= 536870912)) && (2 <= CELLCOUNT)) && (CCCELVOL4 == 5)) && (((CELLCOUNT >= 0) ? (CELLCOUNT % 4) : ((CELLCOUNT % 4) + 4)) == 0)) && (CELLCOUNT <= 2147483647)) && (CCCELVOL1 == 1)) && (CCCELVOL2 == 3)) && (2 <= i))) RESULT: Ultimate proved your program to be correct! [2024-11-13 23:45:48,924 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2cebb76-7e5a-4322-8621-431b79eddd13/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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