./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/zonotope_loose.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86771893-5d66-4094-a4e3-da47cf29191b/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86771893-5d66-4094-a4e3-da47cf29191b/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_86771893-5d66-4094-a4e3-da47cf29191b/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86771893-5d66-4094-a4e3-da47cf29191b/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-benchs/zonotope_loose.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86771893-5d66-4094-a4e3-da47cf29191b/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86771893-5d66-4094-a4e3-da47cf29191b/bin/utaipan-verify-sOmjnqqW8E --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash aa618b022767b6c663b9172cb51ecdc227fadddd170513d68c08989c25287c33 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 02:47:38,645 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 02:47:38,703 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86771893-5d66-4094-a4e3-da47cf29191b/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-14 02:47:38,708 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 02:47:38,708 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 02:47:38,733 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 02:47:38,733 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 02:47:38,734 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 02:47:38,734 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 02:47:38,734 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 02:47:38,734 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 02:47:38,734 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 02:47:38,734 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 02:47:38,734 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 02:47:38,734 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 02:47:38,735 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 02:47:38,735 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 02:47:38,735 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 02:47:38,735 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 02:47:38,735 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 02:47:38,735 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 02:47:38,735 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 02:47:38,736 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 02:47:38,736 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 02:47:38,736 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 02:47:38,736 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 02:47:38,736 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 02:47:38,736 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 02:47:38,736 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 02:47:38,736 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 02:47:38,736 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 02:47:38,737 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 02:47:38,737 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 02:47:38,737 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 02:47:38,737 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 02:47:38,737 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 02:47:38,737 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 02:47:38,737 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 02:47:38,737 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 02:47:38,738 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 02:47:38,738 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 02:47:38,738 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 02:47:38,738 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 02:47:38,738 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 02:47:38,738 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 02:47:38,738 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 02:47:38,738 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 02:47:38,742 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_86771893-5d66-4094-a4e3-da47cf29191b/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 ! call(reach_error())) ) 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 -> aa618b022767b6c663b9172cb51ecdc227fadddd170513d68c08989c25287c33 [2024-11-14 02:47:39,042 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 02:47:39,058 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 02:47:39,061 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 02:47:39,063 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 02:47:39,064 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 02:47:39,067 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86771893-5d66-4094-a4e3-da47cf29191b/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/float-benchs/zonotope_loose.c Unable to find full path for "g++" [2024-11-14 02:47:40,933 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 02:47:41,210 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 02:47:41,211 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86771893-5d66-4094-a4e3-da47cf29191b/sv-benchmarks/c/float-benchs/zonotope_loose.c [2024-11-14 02:47:41,220 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86771893-5d66-4094-a4e3-da47cf29191b/bin/utaipan-verify-sOmjnqqW8E/data/eb5b360fd/52c899e7b6ae491caf09685b4def5e38/FLAG02aad2e99 [2024-11-14 02:47:41,265 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86771893-5d66-4094-a4e3-da47cf29191b/bin/utaipan-verify-sOmjnqqW8E/data/eb5b360fd/52c899e7b6ae491caf09685b4def5e38 [2024-11-14 02:47:41,269 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 02:47:41,274 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 02:47:41,276 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 02:47:41,279 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 02:47:41,285 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 02:47:41,290 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 02:47:41" (1/1) ... [2024-11-14 02:47:41,294 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56ec6311 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:47:41, skipping insertion in model container [2024-11-14 02:47:41,295 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 02:47:41" (1/1) ... [2024-11-14 02:47:41,313 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 02:47:41,504 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86771893-5d66-4094-a4e3-da47cf29191b/sv-benchmarks/c/float-benchs/zonotope_loose.c[577,590] [2024-11-14 02:47:41,519 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 02:47:41,532 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 02:47:41,544 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86771893-5d66-4094-a4e3-da47cf29191b/sv-benchmarks/c/float-benchs/zonotope_loose.c[577,590] [2024-11-14 02:47:41,550 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 02:47:41,567 INFO L204 MainTranslator]: Completed translation [2024-11-14 02:47:41,568 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:47:41 WrapperNode [2024-11-14 02:47:41,569 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 02:47:41,570 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 02:47:41,570 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 02:47:41,572 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 02:47:41,584 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:47:41" (1/1) ... [2024-11-14 02:47:41,590 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:47:41" (1/1) ... [2024-11-14 02:47:41,611 INFO L138 Inliner]: procedures = 14, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 31 [2024-11-14 02:47:41,612 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 02:47:41,613 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 02:47:41,613 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 02:47:41,613 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 02:47:41,622 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:47:41" (1/1) ... [2024-11-14 02:47:41,622 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:47:41" (1/1) ... [2024-11-14 02:47:41,623 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:47:41" (1/1) ... [2024-11-14 02:47:41,624 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:47:41" (1/1) ... [2024-11-14 02:47:41,628 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:47:41" (1/1) ... [2024-11-14 02:47:41,632 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:47:41" (1/1) ... [2024-11-14 02:47:41,634 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:47:41" (1/1) ... [2024-11-14 02:47:41,638 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:47:41" (1/1) ... [2024-11-14 02:47:41,639 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 02:47:41,640 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 02:47:41,640 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 02:47:41,640 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 02:47:41,642 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:47:41" (1/1) ... [2024-11-14 02:47:41,654 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 02:47:41,671 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86771893-5d66-4094-a4e3-da47cf29191b/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 02:47:41,688 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86771893-5d66-4094-a4e3-da47cf29191b/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 02:47:41,693 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86771893-5d66-4094-a4e3-da47cf29191b/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 02:47:41,719 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 02:47:41,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 02:47:41,719 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 02:47:41,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 02:47:41,784 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 02:47:41,786 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 02:47:41,879 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-14 02:47:41,879 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 02:47:41,930 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 02:47:41,931 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-14 02:47:41,931 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 02:47:41 BoogieIcfgContainer [2024-11-14 02:47:41,931 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 02:47:41,934 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 02:47:41,934 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 02:47:41,939 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 02:47:41,939 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 02:47:41" (1/3) ... [2024-11-14 02:47:41,940 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@541c970f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 02:47:41, skipping insertion in model container [2024-11-14 02:47:41,940 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:47:41" (2/3) ... [2024-11-14 02:47:41,941 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@541c970f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 02:47:41, skipping insertion in model container [2024-11-14 02:47:41,941 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 02:47:41" (3/3) ... [2024-11-14 02:47:41,942 INFO L112 eAbstractionObserver]: Analyzing ICFG zonotope_loose.c [2024-11-14 02:47:41,962 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 02:47:41,963 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG zonotope_loose.c that has 1 procedures, 6 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2024-11-14 02:47:42,036 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 02:47:42,055 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;@7b13e521, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 02:47:42,056 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 02:47:42,061 INFO L276 IsEmpty]: Start isEmpty. Operand has 6 states, 4 states have (on average 1.5) internal successors, (6), 5 states have internal predecessors, (6), 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) [2024-11-14 02:47:42,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-14 02:47:42,069 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:47:42,070 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1] [2024-11-14 02:47:42,070 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 02:47:42,075 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:47:42,078 INFO L85 PathProgramCache]: Analyzing trace with hash 67880, now seen corresponding path program 1 times [2024-11-14 02:47:42,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 02:47:42,092 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1091787839] [2024-11-14 02:47:42,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:47:42,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 02:47:42,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 02:47:42,216 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-14 02:47:42,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 02:47:42,259 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-14 02:47:42,262 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-14 02:47:42,264 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-14 02:47:42,267 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-14 02:47:42,274 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-14 02:47:42,291 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 02:47:42,297 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 02:47:42 BoogieIcfgContainer [2024-11-14 02:47:42,297 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 02:47:42,298 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 02:47:42,298 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 02:47:42,298 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 02:47:42,303 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 02:47:41" (3/4) ... [2024-11-14 02:47:42,306 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-14 02:47:42,309 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 02:47:42,313 INFO L158 Benchmark]: Toolchain (without parser) took 1036.82ms. Allocated memory is still 142.6MB. Free memory was 118.8MB in the beginning and 81.7MB in the end (delta: 37.1MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-14 02:47:42,314 INFO L158 Benchmark]: CDTParser took 1.11ms. Allocated memory is still 167.8MB. Free memory is still 105.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 02:47:42,314 INFO L158 Benchmark]: CACSL2BoogieTranslator took 293.77ms. Allocated memory is still 142.6MB. Free memory was 118.8MB in the beginning and 107.8MB in the end (delta: 11.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 02:47:42,314 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.52ms. Allocated memory is still 142.6MB. Free memory was 107.8MB in the beginning and 106.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 02:47:42,315 INFO L158 Benchmark]: Boogie Preprocessor took 26.57ms. Allocated memory is still 142.6MB. Free memory was 106.7MB in the beginning and 106.0MB in the end (delta: 720.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 02:47:42,315 INFO L158 Benchmark]: RCFGBuilder took 291.40ms. Allocated memory is still 142.6MB. Free memory was 106.0MB in the beginning and 94.3MB in the end (delta: 11.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-14 02:47:42,317 INFO L158 Benchmark]: TraceAbstraction took 363.79ms. Allocated memory is still 142.6MB. Free memory was 93.6MB in the beginning and 82.0MB in the end (delta: 11.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 02:47:42,318 INFO L158 Benchmark]: Witness Printer took 11.59ms. Allocated memory is still 142.6MB. Free memory was 82.0MB in the beginning and 81.7MB in the end (delta: 352.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 02:47:42,322 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.11ms. Allocated memory is still 167.8MB. Free memory is still 105.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 293.77ms. Allocated memory is still 142.6MB. Free memory was 118.8MB in the beginning and 107.8MB in the end (delta: 11.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.52ms. Allocated memory is still 142.6MB. Free memory was 107.8MB in the beginning and 106.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 26.57ms. Allocated memory is still 142.6MB. Free memory was 106.7MB in the beginning and 106.0MB in the end (delta: 720.0kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 291.40ms. Allocated memory is still 142.6MB. Free memory was 106.0MB in the beginning and 94.3MB in the end (delta: 11.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 363.79ms. Allocated memory is still 142.6MB. Free memory was 93.6MB in the beginning and 82.0MB in the end (delta: 11.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 11.59ms. Allocated memory is still 142.6MB. Free memory was 82.0MB in the beginning and 81.7MB in the end (delta: 352.5kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 14]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryArithmeticDOUBLEoperation at line 23, overapproximation of someBinaryDOUBLEComparisonOperation at line 21. Possible FailurePath: [L18] double x,y; [L20] x = __VERIFIER_nondet_double() [L21] CALL assume_abort_if_not(x >= 0. && x <= 10.) [L12] COND FALSE !(!cond) [L21] RET assume_abort_if_not(x >= 0. && x <= 10.) [L23] y = x*x - x [L24] COND TRUE y >= 0 [L24] y = x / 10. [L27] CALL __VERIFIER_assert(y >= 0. && y <= 105.) [L14] COND TRUE !(cond) [L14] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 6 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-14 02:47:42,359 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86771893-5d66-4094-a4e3-da47cf29191b/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86771893-5d66-4094-a4e3-da47cf29191b/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86771893-5d66-4094-a4e3-da47cf29191b/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_86771893-5d66-4094-a4e3-da47cf29191b/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86771893-5d66-4094-a4e3-da47cf29191b/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-benchs/zonotope_loose.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86771893-5d66-4094-a4e3-da47cf29191b/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86771893-5d66-4094-a4e3-da47cf29191b/bin/utaipan-verify-sOmjnqqW8E --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash aa618b022767b6c663b9172cb51ecdc227fadddd170513d68c08989c25287c33 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 02:47:45,176 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 02:47:45,311 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86771893-5d66-4094-a4e3-da47cf29191b/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-14 02:47:45,320 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 02:47:45,320 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 02:47:45,379 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 02:47:45,380 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 02:47:45,380 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 02:47:45,384 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 02:47:45,384 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 02:47:45,384 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 02:47:45,384 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 02:47:45,384 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 02:47:45,384 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 02:47:45,384 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 02:47:45,385 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 02:47:45,385 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 02:47:45,385 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 02:47:45,385 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 02:47:45,385 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 02:47:45,385 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 02:47:45,386 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 02:47:45,389 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 02:47:45,389 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 02:47:45,390 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-14 02:47:45,390 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-14 02:47:45,390 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 02:47:45,390 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-14 02:47:45,390 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 02:47:45,390 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 02:47:45,390 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 02:47:45,390 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 02:47:45,390 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-14 02:47:45,391 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 02:47:45,391 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 02:47:45,391 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 02:47:45,391 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 02:47:45,391 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 02:47:45,391 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 02:47:45,391 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-14 02:47:45,391 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-14 02:47:45,391 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 02:47:45,391 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 02:47:45,391 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_86771893-5d66-4094-a4e3-da47cf29191b/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 ! call(reach_error())) ) 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 -> aa618b022767b6c663b9172cb51ecdc227fadddd170513d68c08989c25287c33 [2024-11-14 02:47:45,715 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 02:47:45,724 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 02:47:45,726 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 02:47:45,727 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 02:47:45,728 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 02:47:45,729 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86771893-5d66-4094-a4e3-da47cf29191b/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/float-benchs/zonotope_loose.c Unable to find full path for "g++" [2024-11-14 02:47:47,665 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 02:47:47,898 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 02:47:47,904 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86771893-5d66-4094-a4e3-da47cf29191b/sv-benchmarks/c/float-benchs/zonotope_loose.c [2024-11-14 02:47:47,923 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86771893-5d66-4094-a4e3-da47cf29191b/bin/utaipan-verify-sOmjnqqW8E/data/8163140b1/575e9aa9264042f89398708e8db58c3f/FLAG65276ba72 [2024-11-14 02:47:47,961 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86771893-5d66-4094-a4e3-da47cf29191b/bin/utaipan-verify-sOmjnqqW8E/data/8163140b1/575e9aa9264042f89398708e8db58c3f [2024-11-14 02:47:47,964 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 02:47:47,968 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 02:47:47,970 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 02:47:47,972 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 02:47:47,977 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 02:47:47,978 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 02:47:47" (1/1) ... [2024-11-14 02:47:47,982 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1438b2ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:47:47, skipping insertion in model container [2024-11-14 02:47:47,982 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 02:47:47" (1/1) ... [2024-11-14 02:47:48,000 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 02:47:48,195 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86771893-5d66-4094-a4e3-da47cf29191b/sv-benchmarks/c/float-benchs/zonotope_loose.c[577,590] [2024-11-14 02:47:48,216 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 02:47:48,238 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 02:47:48,255 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86771893-5d66-4094-a4e3-da47cf29191b/sv-benchmarks/c/float-benchs/zonotope_loose.c[577,590] [2024-11-14 02:47:48,260 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 02:47:48,284 INFO L204 MainTranslator]: Completed translation [2024-11-14 02:47:48,285 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:47:48 WrapperNode [2024-11-14 02:47:48,285 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 02:47:48,287 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 02:47:48,288 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 02:47:48,288 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 02:47:48,296 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:47:48" (1/1) ... [2024-11-14 02:47:48,309 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:47:48" (1/1) ... [2024-11-14 02:47:48,331 INFO L138 Inliner]: procedures = 15, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 32 [2024-11-14 02:47:48,331 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 02:47:48,332 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 02:47:48,332 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 02:47:48,332 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 02:47:48,340 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:47:48" (1/1) ... [2024-11-14 02:47:48,341 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:47:48" (1/1) ... [2024-11-14 02:47:48,343 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:47:48" (1/1) ... [2024-11-14 02:47:48,343 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:47:48" (1/1) ... [2024-11-14 02:47:48,356 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:47:48" (1/1) ... [2024-11-14 02:47:48,361 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:47:48" (1/1) ... [2024-11-14 02:47:48,363 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:47:48" (1/1) ... [2024-11-14 02:47:48,366 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:47:48" (1/1) ... [2024-11-14 02:47:48,369 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 02:47:48,370 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 02:47:48,373 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 02:47:48,373 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 02:47:48,375 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:47:48" (1/1) ... [2024-11-14 02:47:48,390 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 02:47:48,407 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86771893-5d66-4094-a4e3-da47cf29191b/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 02:47:48,428 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86771893-5d66-4094-a4e3-da47cf29191b/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 02:47:48,437 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86771893-5d66-4094-a4e3-da47cf29191b/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 02:47:48,469 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 02:47:48,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-14 02:47:48,469 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 02:47:48,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 02:47:48,539 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 02:47:48,541 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 02:47:52,869 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-14 02:47:52,870 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 02:47:52,879 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 02:47:52,880 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-14 02:47:52,880 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 02:47:52 BoogieIcfgContainer [2024-11-14 02:47:52,881 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 02:47:52,884 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 02:47:52,884 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 02:47:52,890 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 02:47:52,890 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 02:47:47" (1/3) ... [2024-11-14 02:47:52,891 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4af2f69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 02:47:52, skipping insertion in model container [2024-11-14 02:47:52,891 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:47:48" (2/3) ... [2024-11-14 02:47:52,891 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4af2f69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 02:47:52, skipping insertion in model container [2024-11-14 02:47:52,892 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 02:47:52" (3/3) ... [2024-11-14 02:47:52,893 INFO L112 eAbstractionObserver]: Analyzing ICFG zonotope_loose.c [2024-11-14 02:47:52,911 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 02:47:52,913 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG zonotope_loose.c that has 1 procedures, 13 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2024-11-14 02:47:52,966 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 02:47:52,980 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;@4638fd39, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 02:47:52,980 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 02:47:52,985 INFO L276 IsEmpty]: Start isEmpty. Operand has 13 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 12 states have internal predecessors, (15), 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) [2024-11-14 02:47:52,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-14 02:47:52,991 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:47:52,992 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 02:47:52,992 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 02:47:52,997 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:47:52,997 INFO L85 PathProgramCache]: Analyzing trace with hash 119383821, now seen corresponding path program 1 times [2024-11-14 02:47:53,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 02:47:53,009 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [123265544] [2024-11-14 02:47:53,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:47:53,010 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 02:47:53,010 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86771893-5d66-4094-a4e3-da47cf29191b/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 02:47:53,013 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86771893-5d66-4094-a4e3-da47cf29191b/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 02:47:53,014 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86771893-5d66-4094-a4e3-da47cf29191b/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-14 02:47:53,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:47:53,472 INFO L255 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-14 02:47:53,475 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 02:47:53,494 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 02:47:53,494 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 02:47:53,495 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 02:47:53,495 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [123265544] [2024-11-14 02:47:53,496 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [123265544] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 02:47:53,496 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 02:47:53,496 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 02:47:53,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [855929003] [2024-11-14 02:47:53,503 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 02:47:53,506 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-14 02:47:53,507 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 02:47:53,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-14 02:47:53,528 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 02:47:53,530 INFO L87 Difference]: Start difference. First operand has 13 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 12 states have internal predecessors, (15), 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 2 states, 2 states have (on average 4.0) internal successors, (8), 2 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) [2024-11-14 02:47:53,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 02:47:53,539 INFO L93 Difference]: Finished difference Result 23 states and 26 transitions. [2024-11-14 02:47:53,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 02:47:53,540 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 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 [2024-11-14 02:47:53,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 02:47:53,545 INFO L225 Difference]: With dead ends: 23 [2024-11-14 02:47:53,545 INFO L226 Difference]: Without dead ends: 9 [2024-11-14 02:47:53,548 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 02:47:53,551 INFO L432 NwaCegarLoop]: 13 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-14 02:47:53,552 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 02:47:53,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2024-11-14 02:47:53,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2024-11-14 02:47:53,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.125) internal successors, (9), 8 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) [2024-11-14 02:47:53,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2024-11-14 02:47:53,577 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 8 [2024-11-14 02:47:53,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 02:47:53,577 INFO L471 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2024-11-14 02:47:53,577 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 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) [2024-11-14 02:47:53,578 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2024-11-14 02:47:53,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-14 02:47:53,578 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:47:53,578 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 02:47:53,588 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86771893-5d66-4094-a4e3-da47cf29191b/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-14 02:47:53,779 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86771893-5d66-4094-a4e3-da47cf29191b/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 02:47:53,779 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 02:47:53,780 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:47:53,780 INFO L85 PathProgramCache]: Analyzing trace with hash 176642123, now seen corresponding path program 1 times [2024-11-14 02:47:53,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 02:47:53,780 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1950908179] [2024-11-14 02:47:53,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:47:53,780 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 02:47:53,780 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86771893-5d66-4094-a4e3-da47cf29191b/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 02:47:53,782 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86771893-5d66-4094-a4e3-da47cf29191b/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 02:47:53,787 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86771893-5d66-4094-a4e3-da47cf29191b/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-14 02:47:54,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:47:54,231 INFO L255 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-14 02:47:54,234 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 02:48:14,092 WARN L286 SmtUtils]: Spent 7.14s on a formula simplification that was a NOOP. DAG size: 15 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 02:48:41,589 WARN L851 $PredicateComparison]: unable to prove that (or (and (let ((.cse0 ((_ to_fp 11 53) roundNearestTiesToEven 10.0))) (or (exists ((|v_ULTIMATE.start_main_~x~0#1_8| (_ FloatingPoint 11 53))) (and (fp.leq |v_ULTIMATE.start_main_~x~0#1_8| .cse0) (fp.geq |v_ULTIMATE.start_main_~x~0#1_8| (_ +zero 11 53)) (not (fp.leq (fp.div roundNearestTiesToEven |v_ULTIMATE.start_main_~x~0#1_8| .cse0) ((_ to_fp 11 53) roundNearestTiesToEven 105.0))))) (exists ((|v_ULTIMATE.start_main_~x~0#1_8| (_ FloatingPoint 11 53))) (and (fp.geq |v_ULTIMATE.start_main_~x~0#1_8| (_ +zero 11 53)) (not (fp.geq (fp.div roundNearestTiesToEven |v_ULTIMATE.start_main_~x~0#1_8| .cse0) (_ +zero 11 53))))))) (= |c_ULTIMATE.start___VERIFIER_assert_~cond#1| (_ bv0 32))) (= |c_ULTIMATE.start___VERIFIER_assert_~cond#1| (_ bv1 32))) is different from false [2024-11-14 02:49:03,165 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ to_fp 11 53) roundNearestTiesToEven 10.0))) (or (exists ((|v_ULTIMATE.start_main_~x~0#1_8| (_ FloatingPoint 11 53))) (and (fp.leq |v_ULTIMATE.start_main_~x~0#1_8| .cse0) (fp.geq |v_ULTIMATE.start_main_~x~0#1_8| (_ +zero 11 53)) (not (fp.leq (fp.div roundNearestTiesToEven |v_ULTIMATE.start_main_~x~0#1_8| .cse0) ((_ to_fp 11 53) roundNearestTiesToEven 105.0))))) (exists ((|v_ULTIMATE.start_main_~x~0#1_8| (_ FloatingPoint 11 53))) (and (fp.geq |v_ULTIMATE.start_main_~x~0#1_8| (_ +zero 11 53)) (not (fp.geq (fp.div roundNearestTiesToEven |v_ULTIMATE.start_main_~x~0#1_8| .cse0) (_ +zero 11 53))))))) is different from false [2024-11-14 02:49:05,195 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ to_fp 11 53) roundNearestTiesToEven 10.0))) (or (exists ((|v_ULTIMATE.start_main_~x~0#1_8| (_ FloatingPoint 11 53))) (and (fp.leq |v_ULTIMATE.start_main_~x~0#1_8| .cse0) (fp.geq |v_ULTIMATE.start_main_~x~0#1_8| (_ +zero 11 53)) (not (fp.leq (fp.div roundNearestTiesToEven |v_ULTIMATE.start_main_~x~0#1_8| .cse0) ((_ to_fp 11 53) roundNearestTiesToEven 105.0))))) (exists ((|v_ULTIMATE.start_main_~x~0#1_8| (_ FloatingPoint 11 53))) (and (fp.geq |v_ULTIMATE.start_main_~x~0#1_8| (_ +zero 11 53)) (not (fp.geq (fp.div roundNearestTiesToEven |v_ULTIMATE.start_main_~x~0#1_8| .cse0) (_ +zero 11 53))))))) is different from true [2024-11-14 02:49:05,196 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 02:49:05,196 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 02:49:05,196 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 02:49:05,197 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1950908179] [2024-11-14 02:49:05,197 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1950908179] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 02:49:05,197 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 02:49:05,197 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-14 02:49:05,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1363572195] [2024-11-14 02:49:05,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 02:49:05,198 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-14 02:49:05,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 02:49:05,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-14 02:49:05,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=17, Unknown=5, NotChecked=18, Total=56 [2024-11-14 02:49:05,200 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand has 8 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 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) [2024-11-14 02:49:07,230 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 02:49:09,270 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-14 02:49:11,298 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-14 02:49:13,499 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-14 02:49:14,662 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 02:49:17,127 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-14 02:49:20,488 WARN L851 $PredicateComparison]: unable to prove that (and (or (and (let ((.cse0 ((_ to_fp 11 53) roundNearestTiesToEven 10.0))) (or (exists ((|v_ULTIMATE.start_main_~x~0#1_8| (_ FloatingPoint 11 53))) (and (fp.leq |v_ULTIMATE.start_main_~x~0#1_8| .cse0) (fp.geq |v_ULTIMATE.start_main_~x~0#1_8| (_ +zero 11 53)) (not (fp.leq (fp.div roundNearestTiesToEven |v_ULTIMATE.start_main_~x~0#1_8| .cse0) ((_ to_fp 11 53) roundNearestTiesToEven 105.0))))) (exists ((|v_ULTIMATE.start_main_~x~0#1_8| (_ FloatingPoint 11 53))) (and (fp.geq |v_ULTIMATE.start_main_~x~0#1_8| (_ +zero 11 53)) (not (fp.geq (fp.div roundNearestTiesToEven |v_ULTIMATE.start_main_~x~0#1_8| .cse0) (_ +zero 11 53))))))) (= |c_ULTIMATE.start___VERIFIER_assert_~cond#1| (_ bv0 32))) (= |c_ULTIMATE.start___VERIFIER_assert_~cond#1| (_ bv1 32))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from false [2024-11-14 02:49:20,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 02:49:20,509 INFO L93 Difference]: Finished difference Result 13 states and 12 transitions. [2024-11-14 02:49:20,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-14 02:49:20,509 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 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 [2024-11-14 02:49:20,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 02:49:20,510 INFO L225 Difference]: With dead ends: 13 [2024-11-14 02:49:20,510 INFO L226 Difference]: Without dead ends: 9 [2024-11-14 02:49:20,510 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 23.5s TimeCoverageRelationStatistics Valid=18, Invalid=18, Unknown=6, NotChecked=30, Total=72 [2024-11-14 02:49:20,511 INFO L432 NwaCegarLoop]: 3 mSDtfsCounter, 5 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 10 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 24 IncrementalHoareTripleChecker+Unchecked, 13.2s IncrementalHoareTripleChecker+Time [2024-11-14 02:49:20,512 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 10 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 5 Unknown, 24 Unchecked, 13.2s Time] [2024-11-14 02:49:20,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2024-11-14 02:49:20,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2024-11-14 02:49:20,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.0) internal successors, (8), 8 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) [2024-11-14 02:49:20,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 8 transitions. [2024-11-14 02:49:20,514 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 8 transitions. Word has length 8 [2024-11-14 02:49:20,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 02:49:20,514 INFO L471 AbstractCegarLoop]: Abstraction has 9 states and 8 transitions. [2024-11-14 02:49:20,514 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 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) [2024-11-14 02:49:20,514 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 8 transitions. [2024-11-14 02:49:20,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-14 02:49:20,515 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:49:20,515 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 02:49:20,522 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86771893-5d66-4094-a4e3-da47cf29191b/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-14 02:49:20,717 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86771893-5d66-4094-a4e3-da47cf29191b/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 02:49:20,718 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 02:49:20,718 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:49:20,718 INFO L85 PathProgramCache]: Analyzing trace with hash 176701705, now seen corresponding path program 1 times [2024-11-14 02:49:20,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 02:49:20,718 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [231750437] [2024-11-14 02:49:20,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:49:20,719 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 02:49:20,719 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86771893-5d66-4094-a4e3-da47cf29191b/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 02:49:20,722 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86771893-5d66-4094-a4e3-da47cf29191b/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 02:49:20,723 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86771893-5d66-4094-a4e3-da47cf29191b/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-14 02:49:21,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:49:21,058 INFO L255 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-14 02:49:21,061 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 02:49:44,250 WARN L286 SmtUtils]: Spent 11.19s on a formula simplification that was a NOOP. DAG size: 14 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 02:50:02,839 WARN L851 $PredicateComparison]: unable to prove that (and (exists ((|v_ULTIMATE.start_main_~x~0#1_9| (_ FloatingPoint 11 53))) (let ((.cse0 (fp.mul c_currentRoundingMode |v_ULTIMATE.start_main_~x~0#1_9| |v_ULTIMATE.start_main_~x~0#1_9|))) (and (fp.geq |v_ULTIMATE.start_main_~x~0#1_9| (_ +zero 11 53)) (fp.leq |v_ULTIMATE.start_main_~x~0#1_9| ((_ to_fp 11 53) c_currentRoundingMode 10.0)) (not (fp.geq (fp.sub c_currentRoundingMode .cse0 |v_ULTIMATE.start_main_~x~0#1_9|) ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32)))) (= (fp.add c_currentRoundingMode .cse0 ((_ to_fp 11 53) c_currentRoundingMode 2.0)) |c_ULTIMATE.start_main_~y~0#1|)))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from false [2024-11-14 02:50:04,870 WARN L873 $PredicateComparison]: unable to prove that (and (exists ((|v_ULTIMATE.start_main_~x~0#1_9| (_ FloatingPoint 11 53))) (let ((.cse0 (fp.mul c_currentRoundingMode |v_ULTIMATE.start_main_~x~0#1_9| |v_ULTIMATE.start_main_~x~0#1_9|))) (and (fp.geq |v_ULTIMATE.start_main_~x~0#1_9| (_ +zero 11 53)) (fp.leq |v_ULTIMATE.start_main_~x~0#1_9| ((_ to_fp 11 53) c_currentRoundingMode 10.0)) (not (fp.geq (fp.sub c_currentRoundingMode .cse0 |v_ULTIMATE.start_main_~x~0#1_9|) ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32)))) (= (fp.add c_currentRoundingMode .cse0 ((_ to_fp 11 53) c_currentRoundingMode 2.0)) |c_ULTIMATE.start_main_~y~0#1|)))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from true [2024-11-14 02:51:03,747 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse3 ((_ to_fp 11 53) roundNearestTiesToEven (_ bv0 32))) (.cse0 ((_ to_fp 11 53) roundNearestTiesToEven 10.0)) (.cse1 ((_ to_fp 11 53) roundNearestTiesToEven 2.0))) (or (and (= |c_ULTIMATE.start___VERIFIER_assert_~cond#1| (_ bv0 32)) (or (exists ((|v_ULTIMATE.start_main_~x~0#1_9| (_ FloatingPoint 11 53))) (and (fp.geq |v_ULTIMATE.start_main_~x~0#1_9| (_ +zero 11 53)) (fp.leq |v_ULTIMATE.start_main_~x~0#1_9| .cse0) (not (fp.geq (fp.add roundNearestTiesToEven (fp.mul roundNearestTiesToEven |v_ULTIMATE.start_main_~x~0#1_9| |v_ULTIMATE.start_main_~x~0#1_9|) .cse1) (_ +zero 11 53))))) (exists ((|v_ULTIMATE.start_main_~x~0#1_9| (_ FloatingPoint 11 53))) (let ((.cse2 (fp.mul roundNearestTiesToEven |v_ULTIMATE.start_main_~x~0#1_9| |v_ULTIMATE.start_main_~x~0#1_9|))) (and (fp.geq |v_ULTIMATE.start_main_~x~0#1_9| (_ +zero 11 53)) (not (fp.geq (fp.sub roundNearestTiesToEven .cse2 |v_ULTIMATE.start_main_~x~0#1_9|) .cse3)) (fp.leq |v_ULTIMATE.start_main_~x~0#1_9| .cse0) (not (fp.leq (fp.add roundNearestTiesToEven .cse2 .cse1) ((_ to_fp 11 53) roundNearestTiesToEven 105.0)))))))) (and (exists ((|v_ULTIMATE.start_main_~x~0#1_9| (_ FloatingPoint 11 53))) (let ((.cse4 (fp.mul roundNearestTiesToEven |v_ULTIMATE.start_main_~x~0#1_9| |v_ULTIMATE.start_main_~x~0#1_9|))) (and (not (fp.geq (fp.sub roundNearestTiesToEven .cse4 |v_ULTIMATE.start_main_~x~0#1_9|) .cse3)) (fp.leq |v_ULTIMATE.start_main_~x~0#1_9| .cse0) (fp.geq (fp.add roundNearestTiesToEven .cse4 .cse1) (_ +zero 11 53))))) (= |c_ULTIMATE.start___VERIFIER_assert_~cond#1| (_ bv1 32))))) is different from false [2024-11-14 02:51:37,608 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ to_fp 11 53) roundNearestTiesToEven 10.0)) (.cse1 ((_ to_fp 11 53) roundNearestTiesToEven 2.0))) (or (exists ((|v_ULTIMATE.start_main_~x~0#1_9| (_ FloatingPoint 11 53))) (and (fp.leq |v_ULTIMATE.start_main_~x~0#1_9| .cse0) (not (fp.geq (fp.add roundNearestTiesToEven (fp.mul roundNearestTiesToEven |v_ULTIMATE.start_main_~x~0#1_9| |v_ULTIMATE.start_main_~x~0#1_9|) .cse1) (_ +zero 11 53))))) (exists ((|v_ULTIMATE.start_main_~x~0#1_9| (_ FloatingPoint 11 53))) (let ((.cse2 (fp.mul roundNearestTiesToEven |v_ULTIMATE.start_main_~x~0#1_9| |v_ULTIMATE.start_main_~x~0#1_9|))) (and (fp.geq |v_ULTIMATE.start_main_~x~0#1_9| (_ +zero 11 53)) (not (fp.geq (fp.sub roundNearestTiesToEven .cse2 |v_ULTIMATE.start_main_~x~0#1_9|) ((_ to_fp 11 53) roundNearestTiesToEven (_ bv0 32)))) (fp.leq |v_ULTIMATE.start_main_~x~0#1_9| .cse0) (not (fp.leq (fp.add roundNearestTiesToEven .cse2 .cse1) ((_ to_fp 11 53) roundNearestTiesToEven 105.0)))))))) is different from false [2024-11-14 02:51:39,632 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ to_fp 11 53) roundNearestTiesToEven 10.0)) (.cse1 ((_ to_fp 11 53) roundNearestTiesToEven 2.0))) (or (exists ((|v_ULTIMATE.start_main_~x~0#1_9| (_ FloatingPoint 11 53))) (and (fp.leq |v_ULTIMATE.start_main_~x~0#1_9| .cse0) (not (fp.geq (fp.add roundNearestTiesToEven (fp.mul roundNearestTiesToEven |v_ULTIMATE.start_main_~x~0#1_9| |v_ULTIMATE.start_main_~x~0#1_9|) .cse1) (_ +zero 11 53))))) (exists ((|v_ULTIMATE.start_main_~x~0#1_9| (_ FloatingPoint 11 53))) (let ((.cse2 (fp.mul roundNearestTiesToEven |v_ULTIMATE.start_main_~x~0#1_9| |v_ULTIMATE.start_main_~x~0#1_9|))) (and (fp.geq |v_ULTIMATE.start_main_~x~0#1_9| (_ +zero 11 53)) (not (fp.geq (fp.sub roundNearestTiesToEven .cse2 |v_ULTIMATE.start_main_~x~0#1_9|) ((_ to_fp 11 53) roundNearestTiesToEven (_ bv0 32)))) (fp.leq |v_ULTIMATE.start_main_~x~0#1_9| .cse0) (not (fp.leq (fp.add roundNearestTiesToEven .cse2 .cse1) ((_ to_fp 11 53) roundNearestTiesToEven 105.0)))))))) is different from true [2024-11-14 02:51:39,633 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 02:51:39,633 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 02:51:39,633 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 02:51:39,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [231750437] [2024-11-14 02:51:39,633 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [231750437] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 02:51:39,633 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 02:51:39,634 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-14 02:51:39,634 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [224131375] [2024-11-14 02:51:39,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 02:51:39,634 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-14 02:51:39,634 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 02:51:39,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-14 02:51:39,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=18, Unknown=5, NotChecked=30, Total=72 [2024-11-14 02:51:39,635 INFO L87 Difference]: Start difference. First operand 9 states and 8 transitions. Second operand has 9 states, 8 states have (on average 1.0) internal successors, (8), 8 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) [2024-11-14 02:51:42,227 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 02:51:44,230 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 02:51:46,239 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 02:51:48,242 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 02:51:48,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 02:51:48,244 INFO L93 Difference]: Finished difference Result 9 states and 8 transitions. [2024-11-14 02:51:48,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-14 02:51:48,279 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 1.0) internal successors, (8), 8 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 [2024-11-14 02:51:48,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 02:51:48,280 INFO L225 Difference]: With dead ends: 9 [2024-11-14 02:51:48,280 INFO L226 Difference]: Without dead ends: 0 [2024-11-14 02:51:48,280 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 24.2s TimeCoverageRelationStatistics Valid=19, Invalid=18, Unknown=5, NotChecked=30, Total=72 [2024-11-14 02:51:48,281 INFO L432 NwaCegarLoop]: 1 mSDtfsCounter, 1 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 2 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 27 IncrementalHoareTripleChecker+Unchecked, 8.6s IncrementalHoareTripleChecker+Time [2024-11-14 02:51:48,282 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 2 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 4 Unknown, 27 Unchecked, 8.6s Time] [2024-11-14 02:51:48,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-14 02:51:48,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-14 02:51:48,283 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) [2024-11-14 02:51:48,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-14 02:51:48,283 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 8 [2024-11-14 02:51:48,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 02:51:48,283 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-14 02:51:48,284 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 1.0) internal successors, (8), 8 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) [2024-11-14 02:51:48,284 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-14 02:51:48,284 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-14 02:51:48,286 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-14 02:51:48,295 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86771893-5d66-4094-a4e3-da47cf29191b/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-11-14 02:51:48,487 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86771893-5d66-4094-a4e3-da47cf29191b/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 02:51:48,489 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-14 02:51:48,491 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-14 02:51:48,496 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 02:51:48,502 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 02:51:48 BoogieIcfgContainer [2024-11-14 02:51:48,502 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 02:51:48,503 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 02:51:48,503 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 02:51:48,504 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 02:51:48,504 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 02:47:52" (3/4) ... [2024-11-14 02:51:48,509 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-14 02:51:48,516 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2024-11-14 02:51:48,516 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-14 02:51:48,516 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-14 02:51:48,516 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-14 02:51:48,597 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86771893-5d66-4094-a4e3-da47cf29191b/bin/utaipan-verify-sOmjnqqW8E/witness.graphml [2024-11-14 02:51:48,598 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86771893-5d66-4094-a4e3-da47cf29191b/bin/utaipan-verify-sOmjnqqW8E/witness.yml [2024-11-14 02:51:48,598 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 02:51:48,599 INFO L158 Benchmark]: Toolchain (without parser) took 240630.95ms. Allocated memory is still 117.4MB. Free memory was 93.3MB in the beginning and 42.5MB in the end (delta: 50.7MB). Peak memory consumption was 45.8MB. Max. memory is 16.1GB. [2024-11-14 02:51:48,599 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 117.4MB. Free memory is still 84.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 02:51:48,599 INFO L158 Benchmark]: CACSL2BoogieTranslator took 316.61ms. Allocated memory is still 117.4MB. Free memory was 93.1MB in the beginning and 81.7MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 02:51:48,601 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.30ms. Allocated memory is still 117.4MB. Free memory was 81.7MB in the beginning and 80.5MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 02:51:48,601 INFO L158 Benchmark]: Boogie Preprocessor took 36.92ms. Allocated memory is still 117.4MB. Free memory was 80.5MB in the beginning and 79.7MB in the end (delta: 799.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 02:51:48,602 INFO L158 Benchmark]: RCFGBuilder took 4511.04ms. Allocated memory is still 117.4MB. Free memory was 79.5MB in the beginning and 69.1MB in the end (delta: 10.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-14 02:51:48,602 INFO L158 Benchmark]: TraceAbstraction took 235618.65ms. Allocated memory is still 117.4MB. Free memory was 68.5MB in the beginning and 46.7MB in the end (delta: 21.8MB). Peak memory consumption was 20.6MB. Max. memory is 16.1GB. [2024-11-14 02:51:48,602 INFO L158 Benchmark]: Witness Printer took 95.04ms. Allocated memory is still 117.4MB. Free memory was 46.7MB in the beginning and 42.5MB in the end (delta: 4.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 02:51:48,604 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 117.4MB. Free memory is still 84.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 316.61ms. Allocated memory is still 117.4MB. Free memory was 93.1MB in the beginning and 81.7MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.30ms. Allocated memory is still 117.4MB. Free memory was 81.7MB in the beginning and 80.5MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 36.92ms. Allocated memory is still 117.4MB. Free memory was 80.5MB in the beginning and 79.7MB in the end (delta: 799.1kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 4511.04ms. Allocated memory is still 117.4MB. Free memory was 79.5MB in the beginning and 69.1MB in the end (delta: 10.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 235618.65ms. Allocated memory is still 117.4MB. Free memory was 68.5MB in the beginning and 46.7MB in the end (delta: 21.8MB). Peak memory consumption was 20.6MB. Max. memory is 16.1GB. * Witness Printer took 95.04ms. Allocated memory is still 117.4MB. Free memory was 46.7MB in the beginning and 42.5MB in the end (delta: 4.2MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 14]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 13 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 235.5s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 24.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 9 mSolverCounterUnknown, 6 SdHoareTripleChecker+Valid, 21.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6 mSDsluCounter, 25 SdHoareTripleChecker+Invalid, 21.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 51 IncrementalHoareTripleChecker+Unchecked, 8 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 27 IncrementalHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 17 mSDtfsCounter, 27 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 23 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 6 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 47.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=13occurred in iteration=0, InterpolantAutomatonStates: 19, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 209.6s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 21 ConstructedInterpolants, 6 QuantifiedInterpolants, 427 SizeOfPredicates, 2 NumberOfNonLiveVariables, 69 ConjunctsInSsa, 19 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-14 02:51:48,819 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86771893-5d66-4094-a4e3-da47cf29191b/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2024-11-14 02:51:48,833 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86771893-5d66-4094-a4e3-da47cf29191b/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE