./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-12.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 803cd42f Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-12.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash aa1e77145a453bb1c8c30584a939ce2ad6e9e6ba71078979a914a9b565af9d38 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-22 11:47:40,432 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 11:47:40,518 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-22 11:47:40,525 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 11:47:40,528 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 11:47:40,548 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 11:47:40,549 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 11:47:40,550 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 11:47:40,550 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-22 11:47:40,552 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-22 11:47:40,552 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 11:47:40,553 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 11:47:40,553 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 11:47:40,555 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 11:47:40,556 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 11:47:40,556 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 11:47:40,556 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-22 11:47:40,556 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-22 11:47:40,557 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-22 11:47:40,557 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-22 11:47:40,557 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 11:47:40,558 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-22 11:47:40,558 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 11:47:40,558 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-22 11:47:40,559 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 11:47:40,559 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-22 11:47:40,559 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-22 11:47:40,559 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 11:47:40,560 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 11:47:40,560 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 11:47:40,560 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-22 11:47:40,561 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 11:47:40,561 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 11:47:40,561 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 11:47:40,561 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 11:47:40,562 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-22 11:47:40,562 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-22 11:47:40,562 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-22 11:47:40,562 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 11:47:40,562 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 11:47:40,563 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 11:47:40,563 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 11:47:40,563 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aa1e77145a453bb1c8c30584a939ce2ad6e9e6ba71078979a914a9b565af9d38 [2024-11-22 11:47:40,814 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 11:47:40,840 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 11:47:40,843 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 11:47:40,844 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 11:47:40,844 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 11:47:40,845 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-12.i [2024-11-22 11:47:42,225 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 11:47:42,427 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 11:47:42,428 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-12.i [2024-11-22 11:47:42,436 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ea2bc5c9/219d340c0a844344a360864caed7edce/FLAG0d96efe4f [2024-11-22 11:47:42,802 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ea2bc5c9/219d340c0a844344a360864caed7edce [2024-11-22 11:47:42,804 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 11:47:42,805 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 11:47:42,807 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 11:47:42,807 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 11:47:42,812 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 11:47:42,813 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:47:42" (1/1) ... [2024-11-22 11:47:42,814 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62950888 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:47:42, skipping insertion in model container [2024-11-22 11:47:42,816 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:47:42" (1/1) ... [2024-11-22 11:47:42,838 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 11:47:42,999 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-12.i[915,928] [2024-11-22 11:47:43,038 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 11:47:43,047 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 11:47:43,057 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-12.i[915,928] [2024-11-22 11:47:43,074 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 11:47:43,094 INFO L204 MainTranslator]: Completed translation [2024-11-22 11:47:43,094 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:47:43 WrapperNode [2024-11-22 11:47:43,095 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 11:47:43,097 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 11:47:43,097 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 11:47:43,097 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 11:47:43,104 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:47:43" (1/1) ... [2024-11-22 11:47:43,114 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:47:43" (1/1) ... [2024-11-22 11:47:43,140 INFO L138 Inliner]: procedures = 26, calls = 29, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 114 [2024-11-22 11:47:43,141 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 11:47:43,142 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 11:47:43,142 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 11:47:43,142 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 11:47:43,153 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:47:43" (1/1) ... [2024-11-22 11:47:43,154 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:47:43" (1/1) ... [2024-11-22 11:47:43,156 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:47:43" (1/1) ... [2024-11-22 11:47:43,176 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-22 11:47:43,177 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:47:43" (1/1) ... [2024-11-22 11:47:43,177 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:47:43" (1/1) ... [2024-11-22 11:47:43,185 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:47:43" (1/1) ... [2024-11-22 11:47:43,188 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:47:43" (1/1) ... [2024-11-22 11:47:43,190 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:47:43" (1/1) ... [2024-11-22 11:47:43,191 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:47:43" (1/1) ... [2024-11-22 11:47:43,197 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 11:47:43,198 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 11:47:43,199 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 11:47:43,199 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 11:47:43,200 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:47:43" (1/1) ... [2024-11-22 11:47:43,209 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 11:47:43,221 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 11:47:43,236 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-22 11:47:43,237 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-22 11:47:43,277 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-22 11:47:43,277 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-22 11:47:43,278 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-22 11:47:43,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-22 11:47:43,278 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 11:47:43,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 11:47:43,345 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 11:47:43,347 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 11:47:43,602 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-22 11:47:43,602 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 11:47:43,618 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 11:47:43,621 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-22 11:47:43,622 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:47:43 BoogieIcfgContainer [2024-11-22 11:47:43,622 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 11:47:43,624 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 11:47:43,625 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 11:47:43,628 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 11:47:43,628 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 11:47:42" (1/3) ... [2024-11-22 11:47:43,628 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@548ca427 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 11:47:43, skipping insertion in model container [2024-11-22 11:47:43,629 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:47:43" (2/3) ... [2024-11-22 11:47:43,629 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@548ca427 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 11:47:43, skipping insertion in model container [2024-11-22 11:47:43,629 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:47:43" (3/3) ... [2024-11-22 11:47:43,630 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount25_file-12.i [2024-11-22 11:47:43,646 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 11:47:43,646 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-22 11:47:43,706 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 11:47:43,711 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@6c5c78ed, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 11:47:43,712 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-22 11:47:43,715 INFO L276 IsEmpty]: Start isEmpty. Operand has 52 states, 33 states have (on average 1.3333333333333333) internal successors, (44), 34 states have internal predecessors, (44), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-22 11:47:43,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-22 11:47:43,726 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 11:47:43,726 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 11:47:43,727 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 11:47:43,732 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 11:47:43,732 INFO L85 PathProgramCache]: Analyzing trace with hash -1297832078, now seen corresponding path program 1 times [2024-11-22 11:47:43,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 11:47:43,741 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1262764519] [2024-11-22 11:47:43,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 11:47:43,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 11:47:43,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 11:47:44,050 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 450 trivial. 0 not checked. [2024-11-22 11:47:44,052 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 11:47:44,052 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1262764519] [2024-11-22 11:47:44,053 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1262764519] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 11:47:44,053 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [767157531] [2024-11-22 11:47:44,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 11:47:44,054 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 11:47:44,054 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 11:47:44,056 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 11:47:44,057 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-22 11:47:44,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 11:47:44,189 INFO L255 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-22 11:47:44,199 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 11:47:44,229 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 450 trivial. 0 not checked. [2024-11-22 11:47:44,230 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 11:47:44,230 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [767157531] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 11:47:44,230 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 11:47:44,230 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-22 11:47:44,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1143003775] [2024-11-22 11:47:44,234 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 11:47:44,237 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-22 11:47:44,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 11:47:44,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-22 11:47:44,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-22 11:47:44,262 INFO L87 Difference]: Start difference. First operand has 52 states, 33 states have (on average 1.3333333333333333) internal successors, (44), 34 states have internal predecessors, (44), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-22 11:47:44,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 11:47:44,289 INFO L93 Difference]: Finished difference Result 97 states and 162 transitions. [2024-11-22 11:47:44,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-22 11:47:44,292 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) Word has length 103 [2024-11-22 11:47:44,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 11:47:44,300 INFO L225 Difference]: With dead ends: 97 [2024-11-22 11:47:44,301 INFO L226 Difference]: Without dead ends: 48 [2024-11-22 11:47:44,304 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-22 11:47:44,308 INFO L432 NwaCegarLoop]: 69 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, 69 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 [2024-11-22 11:47:44,310 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 11:47:44,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2024-11-22 11:47:44,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2024-11-22 11:47:44,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 30 states have (on average 1.2333333333333334) internal successors, (37), 30 states have internal predecessors, (37), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-22 11:47:44,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 69 transitions. [2024-11-22 11:47:44,349 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 69 transitions. Word has length 103 [2024-11-22 11:47:44,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 11:47:44,350 INFO L471 AbstractCegarLoop]: Abstraction has 48 states and 69 transitions. [2024-11-22 11:47:44,350 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-22 11:47:44,351 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 69 transitions. [2024-11-22 11:47:44,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-22 11:47:44,354 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 11:47:44,354 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 11:47:44,361 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-22 11:47:44,556 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-22 11:47:44,556 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 11:47:44,557 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 11:47:44,557 INFO L85 PathProgramCache]: Analyzing trace with hash -431060418, now seen corresponding path program 1 times [2024-11-22 11:47:44,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 11:47:44,557 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [497228042] [2024-11-22 11:47:44,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 11:47:44,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 11:47:44,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 11:47:45,216 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 15 proven. 30 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2024-11-22 11:47:45,220 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 11:47:45,220 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [497228042] [2024-11-22 11:47:45,220 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [497228042] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 11:47:45,221 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1189746389] [2024-11-22 11:47:45,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 11:47:45,221 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 11:47:45,221 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 11:47:45,223 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 11:47:45,227 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-22 11:47:45,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 11:47:45,351 INFO L255 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-22 11:47:45,358 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 11:47:45,561 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 225 proven. 30 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2024-11-22 11:47:45,561 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 11:47:45,798 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 15 proven. 30 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2024-11-22 11:47:45,799 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1189746389] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 11:47:45,799 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 11:47:45,799 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 9 [2024-11-22 11:47:45,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [233822732] [2024-11-22 11:47:45,800 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 11:47:45,802 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-22 11:47:45,803 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 11:47:45,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-22 11:47:45,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-11-22 11:47:45,805 INFO L87 Difference]: Start difference. First operand 48 states and 69 transitions. Second operand has 9 states, 9 states have (on average 4.111111111111111) internal successors, (37), 9 states have internal predecessors, (37), 2 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2024-11-22 11:47:46,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 11:47:46,160 INFO L93 Difference]: Finished difference Result 150 states and 211 transitions. [2024-11-22 11:47:46,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-22 11:47:46,160 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.111111111111111) internal successors, (37), 9 states have internal predecessors, (37), 2 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 103 [2024-11-22 11:47:46,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 11:47:46,164 INFO L225 Difference]: With dead ends: 150 [2024-11-22 11:47:46,165 INFO L226 Difference]: Without dead ends: 105 [2024-11-22 11:47:46,166 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 203 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=84, Invalid=188, Unknown=0, NotChecked=0, Total=272 [2024-11-22 11:47:46,168 INFO L432 NwaCegarLoop]: 46 mSDtfsCounter, 119 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 171 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 168 SdHoareTripleChecker+Invalid, 195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 171 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 11:47:46,170 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 168 Invalid, 195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 171 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 11:47:46,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2024-11-22 11:47:46,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 53. [2024-11-22 11:47:46,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 34 states have (on average 1.2058823529411764) internal successors, (41), 34 states have internal predecessors, (41), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-22 11:47:46,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 73 transitions. [2024-11-22 11:47:46,190 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 73 transitions. Word has length 103 [2024-11-22 11:47:46,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 11:47:46,191 INFO L471 AbstractCegarLoop]: Abstraction has 53 states and 73 transitions. [2024-11-22 11:47:46,191 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.111111111111111) internal successors, (37), 9 states have internal predecessors, (37), 2 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2024-11-22 11:47:46,191 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 73 transitions. [2024-11-22 11:47:46,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-22 11:47:46,193 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 11:47:46,193 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 11:47:46,202 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-22 11:47:46,397 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2024-11-22 11:47:46,398 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 11:47:46,398 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 11:47:46,399 INFO L85 PathProgramCache]: Analyzing trace with hash -373802116, now seen corresponding path program 1 times [2024-11-22 11:47:46,399 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 11:47:46,399 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1570085192] [2024-11-22 11:47:46,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 11:47:46,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 11:47:46,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 11:47:46,461 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1160673405] [2024-11-22 11:47:46,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 11:47:46,462 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 11:47:46,463 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 11:47:46,465 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 11:47:46,468 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-22 11:47:46,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-22 11:47:46,555 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-22 11:47:46,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-22 11:47:46,666 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-22 11:47:46,666 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-22 11:47:46,668 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-22 11:47:46,679 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-22 11:47:46,870 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 11:47:46,873 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-22 11:47:46,958 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-22 11:47:46,965 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 11:47:46 BoogieIcfgContainer [2024-11-22 11:47:46,966 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-22 11:47:46,966 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-22 11:47:46,966 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-22 11:47:46,967 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-22 11:47:46,967 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:47:43" (3/4) ... [2024-11-22 11:47:46,971 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-22 11:47:46,972 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-22 11:47:46,973 INFO L158 Benchmark]: Toolchain (without parser) took 4167.70ms. Allocated memory was 180.4MB in the beginning and 218.1MB in the end (delta: 37.7MB). Free memory was 132.2MB in the beginning and 138.2MB in the end (delta: -6.0MB). Peak memory consumption was 30.3MB. Max. memory is 16.1GB. [2024-11-22 11:47:46,975 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 100.7MB. Free memory was 65.6MB in the beginning and 65.6MB in the end (delta: 77.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-22 11:47:46,976 INFO L158 Benchmark]: CACSL2BoogieTranslator took 289.26ms. Allocated memory is still 180.4MB. Free memory was 132.2MB in the beginning and 118.1MB in the end (delta: 14.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-22 11:47:46,976 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.24ms. Allocated memory is still 180.4MB. Free memory was 118.1MB in the beginning and 115.4MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-22 11:47:46,976 INFO L158 Benchmark]: Boogie Preprocessor took 55.87ms. Allocated memory is still 180.4MB. Free memory was 115.4MB in the beginning and 112.7MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-22 11:47:46,977 INFO L158 Benchmark]: RCFGBuilder took 423.48ms. Allocated memory is still 180.4MB. Free memory was 112.7MB in the beginning and 142.3MB in the end (delta: -29.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-22 11:47:46,977 INFO L158 Benchmark]: TraceAbstraction took 3342.07ms. Allocated memory was 180.4MB in the beginning and 218.1MB in the end (delta: 37.7MB). Free memory was 141.3MB in the beginning and 138.2MB in the end (delta: 3.1MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-22 11:47:46,977 INFO L158 Benchmark]: Witness Printer took 6.22ms. Allocated memory is still 218.1MB. Free memory is still 138.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-22 11:47:46,982 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 100.7MB. Free memory was 65.6MB in the beginning and 65.6MB in the end (delta: 77.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 289.26ms. Allocated memory is still 180.4MB. Free memory was 132.2MB in the beginning and 118.1MB in the end (delta: 14.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.24ms. Allocated memory is still 180.4MB. Free memory was 118.1MB in the beginning and 115.4MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.87ms. Allocated memory is still 180.4MB. Free memory was 115.4MB in the beginning and 112.7MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 423.48ms. Allocated memory is still 180.4MB. Free memory was 112.7MB in the beginning and 142.3MB in the end (delta: -29.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 3342.07ms. Allocated memory was 180.4MB in the beginning and 218.1MB in the end (delta: 37.7MB). Free memory was 141.3MB in the beginning and 138.2MB in the end (delta: 3.1MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Witness Printer took 6.22ms. Allocated memory is still 218.1MB. Free memory is still 138.2MB. 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 - UnprovableResult [Line: 19]: 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 someBinaryFLOATComparisonOperation at line 97, overapproximation of someBinaryArithmeticFLOAToperation at line 63. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 0; [L23] signed long int var_1_2 = -8; [L24] signed long int var_1_3 = 128; [L25] unsigned char var_1_5 = 0; [L26] float var_1_6 = 128.625; [L27] float var_1_7 = 2.625; [L28] float var_1_8 = 25.5; [L29] float var_1_9 = 4.75; [L30] float var_1_10 = 16.4; [L31] float var_1_11 = 0.2; [L32] float var_1_12 = 499.1; [L33] unsigned char var_1_13 = 0; [L34] signed long int var_1_14 = -8; [L35] unsigned char var_1_15 = 1; [L36] unsigned char last_1_var_1_13 = 0; VAL [isInitial=0, last_1_var_1_13=0, var_1_10=82/5, var_1_11=1/5, var_1_12=4991/10, var_1_13=0, var_1_14=-8, var_1_15=1, var_1_1=0, var_1_2=-8, var_1_3=128, var_1_5=0, var_1_6=1029/8, var_1_7=21/8, var_1_8=51/2, var_1_9=19/4] [L101] isInitial = 1 [L102] FCALL initially() [L103] COND TRUE 1 [L104] CALL updateLastVariables() [L94] last_1_var_1_13 = var_1_13 VAL [isInitial=1, last_1_var_1_13=0, var_1_10=82/5, var_1_11=1/5, var_1_12=4991/10, var_1_13=0, var_1_14=-8, var_1_15=1, var_1_1=0, var_1_2=-8, var_1_3=128, var_1_5=0, var_1_6=1029/8, var_1_7=21/8, var_1_8=51/2, var_1_9=19/4] [L104] RET updateLastVariables() [L105] CALL updateVariables() [L66] var_1_2 = __VERIFIER_nondet_long() [L67] CALL assume_abort_if_not(var_1_2 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_10=82/5, var_1_11=1/5, var_1_12=4991/10, var_1_13=0, var_1_14=-8, var_1_15=1, var_1_1=0, var_1_2=-2, var_1_3=128, var_1_5=0, var_1_6=1029/8, var_1_7=21/8, var_1_8=51/2, var_1_9=19/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_10=82/5, var_1_11=1/5, var_1_12=4991/10, var_1_13=0, var_1_14=-8, var_1_15=1, var_1_1=0, var_1_2=-2, var_1_3=128, var_1_5=0, var_1_6=1029/8, var_1_7=21/8, var_1_8=51/2, var_1_9=19/4] [L67] RET assume_abort_if_not(var_1_2 >= -2147483648) VAL [isInitial=1, last_1_var_1_13=0, var_1_10=82/5, var_1_11=1/5, var_1_12=4991/10, var_1_13=0, var_1_14=-8, var_1_15=1, var_1_1=0, var_1_2=-2, var_1_3=128, var_1_5=0, var_1_6=1029/8, var_1_7=21/8, var_1_8=51/2, var_1_9=19/4] [L68] CALL assume_abort_if_not(var_1_2 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_10=82/5, var_1_11=1/5, var_1_12=4991/10, var_1_13=0, var_1_14=-8, var_1_15=1, var_1_1=0, var_1_2=-2, var_1_3=128, var_1_5=0, var_1_6=1029/8, var_1_7=21/8, var_1_8=51/2, var_1_9=19/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_10=82/5, var_1_11=1/5, var_1_12=4991/10, var_1_13=0, var_1_14=-8, var_1_15=1, var_1_1=0, var_1_2=-2, var_1_3=128, var_1_5=0, var_1_6=1029/8, var_1_7=21/8, var_1_8=51/2, var_1_9=19/4] [L68] RET assume_abort_if_not(var_1_2 <= 2147483647) VAL [isInitial=1, last_1_var_1_13=0, var_1_10=82/5, var_1_11=1/5, var_1_12=4991/10, var_1_13=0, var_1_14=-8, var_1_15=1, var_1_1=0, var_1_2=-2, var_1_3=128, var_1_5=0, var_1_6=1029/8, var_1_7=21/8, var_1_8=51/2, var_1_9=19/4] [L69] var_1_3 = __VERIFIER_nondet_long() [L70] CALL assume_abort_if_not(var_1_3 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_10=82/5, var_1_11=1/5, var_1_12=4991/10, var_1_13=0, var_1_14=-8, var_1_15=1, var_1_1=0, var_1_2=-2, var_1_3=-1, var_1_5=0, var_1_6=1029/8, var_1_7=21/8, var_1_8=51/2, var_1_9=19/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_10=82/5, var_1_11=1/5, var_1_12=4991/10, var_1_13=0, var_1_14=-8, var_1_15=1, var_1_1=0, var_1_2=-2, var_1_3=-1, var_1_5=0, var_1_6=1029/8, var_1_7=21/8, var_1_8=51/2, var_1_9=19/4] [L70] RET assume_abort_if_not(var_1_3 >= -2147483648) VAL [isInitial=1, last_1_var_1_13=0, var_1_10=82/5, var_1_11=1/5, var_1_12=4991/10, var_1_13=0, var_1_14=-8, var_1_15=1, var_1_1=0, var_1_2=-2, var_1_3=-1, var_1_5=0, var_1_6=1029/8, var_1_7=21/8, var_1_8=51/2, var_1_9=19/4] [L71] CALL assume_abort_if_not(var_1_3 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_10=82/5, var_1_11=1/5, var_1_12=4991/10, var_1_13=0, var_1_14=-8, var_1_15=1, var_1_1=0, var_1_2=-2, var_1_3=-1, var_1_5=0, var_1_6=1029/8, var_1_7=21/8, var_1_8=51/2, var_1_9=19/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_10=82/5, var_1_11=1/5, var_1_12=4991/10, var_1_13=0, var_1_14=-8, var_1_15=1, var_1_1=0, var_1_2=-2, var_1_3=-1, var_1_5=0, var_1_6=1029/8, var_1_7=21/8, var_1_8=51/2, var_1_9=19/4] [L71] RET assume_abort_if_not(var_1_3 <= 2147483647) VAL [isInitial=1, last_1_var_1_13=0, var_1_10=82/5, var_1_11=1/5, var_1_12=4991/10, var_1_13=0, var_1_14=-8, var_1_15=1, var_1_1=0, var_1_2=-2, var_1_3=-1, var_1_5=0, var_1_6=1029/8, var_1_7=21/8, var_1_8=51/2, var_1_9=19/4] [L72] var_1_5 = __VERIFIER_nondet_uchar() [L73] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_10=82/5, var_1_11=1/5, var_1_12=4991/10, var_1_13=0, var_1_14=-8, var_1_15=1, var_1_1=0, var_1_2=-2, var_1_3=-1, var_1_6=1029/8, var_1_7=21/8, var_1_8=51/2, var_1_9=19/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_10=82/5, var_1_11=1/5, var_1_12=4991/10, var_1_13=0, var_1_14=-8, var_1_15=1, var_1_1=0, var_1_2=-2, var_1_3=-1, var_1_6=1029/8, var_1_7=21/8, var_1_8=51/2, var_1_9=19/4] [L73] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_13=0, var_1_10=82/5, var_1_11=1/5, var_1_12=4991/10, var_1_13=0, var_1_14=-8, var_1_15=1, var_1_1=0, var_1_2=-2, var_1_3=-1, var_1_6=1029/8, var_1_7=21/8, var_1_8=51/2, var_1_9=19/4] [L74] CALL assume_abort_if_not(var_1_5 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_10=82/5, var_1_11=1/5, var_1_12=4991/10, var_1_13=0, var_1_14=-8, var_1_15=1, var_1_1=0, var_1_2=-2, var_1_3=-1, var_1_5=0, var_1_6=1029/8, var_1_7=21/8, var_1_8=51/2, var_1_9=19/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_10=82/5, var_1_11=1/5, var_1_12=4991/10, var_1_13=0, var_1_14=-8, var_1_15=1, var_1_1=0, var_1_2=-2, var_1_3=-1, var_1_5=0, var_1_6=1029/8, var_1_7=21/8, var_1_8=51/2, var_1_9=19/4] [L74] RET assume_abort_if_not(var_1_5 <= 0) VAL [isInitial=1, last_1_var_1_13=0, var_1_10=82/5, var_1_11=1/5, var_1_12=4991/10, var_1_13=0, var_1_14=-8, var_1_15=1, var_1_1=0, var_1_2=-2, var_1_3=-1, var_1_5=0, var_1_6=1029/8, var_1_7=21/8, var_1_8=51/2, var_1_9=19/4] [L75] var_1_7 = __VERIFIER_nondet_float() [L76] CALL assume_abort_if_not((var_1_7 >= 0.0F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854765600e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_10=82/5, var_1_11=1/5, var_1_12=4991/10, var_1_13=0, var_1_14=-8, var_1_15=1, var_1_1=0, var_1_2=-2, var_1_3=-1, var_1_5=0, var_1_6=1029/8, var_1_8=51/2, var_1_9=19/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_10=82/5, var_1_11=1/5, var_1_12=4991/10, var_1_13=0, var_1_14=-8, var_1_15=1, var_1_1=0, var_1_2=-2, var_1_3=-1, var_1_5=0, var_1_6=1029/8, var_1_8=51/2, var_1_9=19/4] [L76] RET assume_abort_if_not((var_1_7 >= 0.0F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854765600e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=0, var_1_10=82/5, var_1_11=1/5, var_1_12=4991/10, var_1_13=0, var_1_14=-8, var_1_15=1, var_1_1=0, var_1_2=-2, var_1_3=-1, var_1_5=0, var_1_6=1029/8, var_1_8=51/2, var_1_9=19/4] [L77] var_1_8 = __VERIFIER_nondet_float() [L78] CALL assume_abort_if_not((var_1_8 >= 0.0F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854765600e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_10=82/5, var_1_11=1/5, var_1_12=4991/10, var_1_13=0, var_1_14=-8, var_1_15=1, var_1_1=0, var_1_2=-2, var_1_3=-1, var_1_5=0, var_1_6=1029/8, var_1_9=19/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_10=82/5, var_1_11=1/5, var_1_12=4991/10, var_1_13=0, var_1_14=-8, var_1_15=1, var_1_1=0, var_1_2=-2, var_1_3=-1, var_1_5=0, var_1_6=1029/8, var_1_9=19/4] [L78] RET assume_abort_if_not((var_1_8 >= 0.0F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854765600e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=0, var_1_10=82/5, var_1_11=1/5, var_1_12=4991/10, var_1_13=0, var_1_14=-8, var_1_15=1, var_1_1=0, var_1_2=-2, var_1_3=-1, var_1_5=0, var_1_6=1029/8, var_1_9=19/4] [L79] var_1_9 = __VERIFIER_nondet_float() [L80] CALL assume_abort_if_not((var_1_9 >= 0.0F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_10=82/5, var_1_11=1/5, var_1_12=4991/10, var_1_13=0, var_1_14=-8, var_1_15=1, var_1_1=0, var_1_2=-2, var_1_3=-1, var_1_5=0, var_1_6=1029/8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_10=82/5, var_1_11=1/5, var_1_12=4991/10, var_1_13=0, var_1_14=-8, var_1_15=1, var_1_1=0, var_1_2=-2, var_1_3=-1, var_1_5=0, var_1_6=1029/8] [L80] RET assume_abort_if_not((var_1_9 >= 0.0F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=0, var_1_10=82/5, var_1_11=1/5, var_1_12=4991/10, var_1_13=0, var_1_14=-8, var_1_15=1, var_1_1=0, var_1_2=-2, var_1_3=-1, var_1_5=0, var_1_6=1029/8] [L81] var_1_10 = __VERIFIER_nondet_float() [L82] CALL assume_abort_if_not((var_1_10 >= -922337.2036854765600e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_11=1/5, var_1_12=4991/10, var_1_13=0, var_1_14=-8, var_1_15=1, var_1_1=0, var_1_2=-2, var_1_3=-1, var_1_5=0, var_1_6=1029/8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_11=1/5, var_1_12=4991/10, var_1_13=0, var_1_14=-8, var_1_15=1, var_1_1=0, var_1_2=-2, var_1_3=-1, var_1_5=0, var_1_6=1029/8] [L82] RET assume_abort_if_not((var_1_10 >= -922337.2036854765600e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=0, var_1_11=1/5, var_1_12=4991/10, var_1_13=0, var_1_14=-8, var_1_15=1, var_1_1=0, var_1_2=-2, var_1_3=-1, var_1_5=0, var_1_6=1029/8] [L83] var_1_12 = __VERIFIER_nondet_float() [L84] CALL assume_abort_if_not((var_1_12 >= -461168.6018427382800e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 4611686.018427382800e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_11=1/5, var_1_13=0, var_1_14=-8, var_1_15=1, var_1_1=0, var_1_2=-2, var_1_3=-1, var_1_5=0, var_1_6=1029/8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_11=1/5, var_1_13=0, var_1_14=-8, var_1_15=1, var_1_1=0, var_1_2=-2, var_1_3=-1, var_1_5=0, var_1_6=1029/8] [L84] RET assume_abort_if_not((var_1_12 >= -461168.6018427382800e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 4611686.018427382800e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=0, var_1_11=1/5, var_1_13=0, var_1_14=-8, var_1_15=1, var_1_1=0, var_1_2=-2, var_1_3=-1, var_1_5=0, var_1_6=1029/8] [L85] var_1_14 = __VERIFIER_nondet_long() [L86] CALL assume_abort_if_not(var_1_14 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_11=1/5, var_1_13=0, var_1_14=2, var_1_15=1, var_1_1=0, var_1_2=-2, var_1_3=-1, var_1_5=0, var_1_6=1029/8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_11=1/5, var_1_13=0, var_1_14=2, var_1_15=1, var_1_1=0, var_1_2=-2, var_1_3=-1, var_1_5=0, var_1_6=1029/8] [L86] RET assume_abort_if_not(var_1_14 >= -2147483648) VAL [isInitial=1, last_1_var_1_13=0, var_1_11=1/5, var_1_13=0, var_1_14=2, var_1_15=1, var_1_1=0, var_1_2=-2, var_1_3=-1, var_1_5=0, var_1_6=1029/8] [L87] CALL assume_abort_if_not(var_1_14 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_11=1/5, var_1_13=0, var_1_14=2, var_1_15=1, var_1_1=0, var_1_2=-2, var_1_3=-1, var_1_5=0, var_1_6=1029/8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_11=1/5, var_1_13=0, var_1_14=2, var_1_15=1, var_1_1=0, var_1_2=-2, var_1_3=-1, var_1_5=0, var_1_6=1029/8] [L87] RET assume_abort_if_not(var_1_14 <= 2147483647) VAL [isInitial=1, last_1_var_1_13=0, var_1_11=1/5, var_1_13=0, var_1_14=2, var_1_15=1, var_1_1=0, var_1_2=-2, var_1_3=-1, var_1_5=0, var_1_6=1029/8] [L88] CALL assume_abort_if_not(var_1_14 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_11=1/5, var_1_13=0, var_1_14=2, var_1_15=1, var_1_1=0, var_1_2=-2, var_1_3=-1, var_1_5=0, var_1_6=1029/8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_11=1/5, var_1_13=0, var_1_14=2, var_1_15=1, var_1_1=0, var_1_2=-2, var_1_3=-1, var_1_5=0, var_1_6=1029/8] [L88] RET assume_abort_if_not(var_1_14 != 0) VAL [isInitial=1, last_1_var_1_13=0, var_1_11=1/5, var_1_13=0, var_1_14=2, var_1_15=1, var_1_1=0, var_1_2=-2, var_1_3=-1, var_1_5=0, var_1_6=1029/8] [L89] var_1_15 = __VERIFIER_nondet_uchar() [L90] CALL assume_abort_if_not(var_1_15 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_11=1/5, var_1_13=0, var_1_14=2, var_1_15=1, var_1_1=0, var_1_2=-2, var_1_3=-1, var_1_5=0, var_1_6=1029/8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_11=1/5, var_1_13=0, var_1_14=2, var_1_15=1, var_1_1=0, var_1_2=-2, var_1_3=-1, var_1_5=0, var_1_6=1029/8] [L90] RET assume_abort_if_not(var_1_15 >= 1) VAL [isInitial=1, last_1_var_1_13=0, var_1_11=1/5, var_1_13=0, var_1_14=2, var_1_15=1, var_1_1=0, var_1_2=-2, var_1_3=-1, var_1_5=0, var_1_6=1029/8] [L91] CALL assume_abort_if_not(var_1_15 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_11=1/5, var_1_13=0, var_1_14=2, var_1_15=1, var_1_1=0, var_1_2=-2, var_1_3=-1, var_1_5=0, var_1_6=1029/8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_11=1/5, var_1_13=0, var_1_14=2, var_1_15=1, var_1_1=0, var_1_2=-2, var_1_3=-1, var_1_5=0, var_1_6=1029/8] [L91] RET assume_abort_if_not(var_1_15 <= 1) VAL [isInitial=1, last_1_var_1_13=0, var_1_11=1/5, var_1_13=0, var_1_14=2, var_1_15=1, var_1_1=0, var_1_2=-2, var_1_3=-1, var_1_5=0, var_1_6=1029/8] [L105] RET updateVariables() [L106] CALL step() [L40] signed long int stepLocal_1 = var_1_3; [L41] signed long int stepLocal_0 = var_1_2; VAL [isInitial=1, last_1_var_1_13=0, stepLocal_0=-2, stepLocal_1=-1, var_1_11=1/5, var_1_13=0, var_1_14=2, var_1_15=1, var_1_1=0, var_1_2=-2, var_1_3=-1, var_1_5=0, var_1_6=1029/8] [L42] COND FALSE !(! (-50 < var_1_2)) VAL [isInitial=1, last_1_var_1_13=0, stepLocal_0=-2, stepLocal_1=-1, var_1_11=1/5, var_1_13=0, var_1_14=2, var_1_15=1, var_1_1=0, var_1_2=-2, var_1_3=-1, var_1_5=0, var_1_6=1029/8] [L51] COND FALSE !(var_1_2 > (var_1_3 / var_1_14)) [L58] var_1_13 = var_1_5 VAL [isInitial=1, last_1_var_1_13=0, stepLocal_0=-2, stepLocal_1=-1, var_1_11=1/5, var_1_13=0, var_1_14=2, var_1_15=1, var_1_1=0, var_1_2=-2, var_1_3=-1, var_1_5=0, var_1_6=1029/8] [L60] COND FALSE !(\read(var_1_13)) VAL [isInitial=1, last_1_var_1_13=0, stepLocal_0=-2, stepLocal_1=-1, var_1_11=1/5, var_1_13=0, var_1_14=2, var_1_15=1, var_1_1=0, var_1_2=-2, var_1_3=-1, var_1_5=0, var_1_6=1029/8] [L63] var_1_11 = (((((2.5f) < (((((31.75f) > (var_1_12)) ? (31.75f) : (var_1_12))))) ? (2.5f) : (((((31.75f) > (var_1_12)) ? (31.75f) : (var_1_12)))))) + 0.125f) VAL [isInitial=1, last_1_var_1_13=0, stepLocal_0=-2, stepLocal_1=-1, var_1_13=0, var_1_14=2, var_1_15=1, var_1_1=0, var_1_2=-2, var_1_3=-1, var_1_5=0, var_1_6=1029/8] [L106] RET step() [L107] CALL, EXPR property() [L97-L98] return ((((! (-50 < var_1_2)) ? ((var_1_2 != var_1_3) ? ((var_1_3 <= var_1_2) ? (var_1_1 == ((unsigned char) (last_1_var_1_13 && var_1_5))) : 1) : (var_1_1 == ((unsigned char) var_1_5))) : 1) && (var_1_13 ? (var_1_6 == ((float) (((((((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8))) - var_1_9)) > (var_1_10)) ? ((((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8))) - var_1_9)) : (var_1_10))))) : 1)) && (var_1_11 == ((float) (((((2.5f) < (((((31.75f) > (var_1_12)) ? (31.75f) : (var_1_12))))) ? (2.5f) : (((((31.75f) > (var_1_12)) ? (31.75f) : (var_1_12)))))) + 0.125f)))) && ((var_1_2 > (var_1_3 / var_1_14)) ? (var_1_1 ? (var_1_13 == ((unsigned char) (! var_1_15))) : (var_1_13 == ((unsigned char) 0))) : (var_1_13 == ((unsigned char) var_1_5))) ; VAL [\result=0, isInitial=1, last_1_var_1_13=0, var_1_13=0, var_1_14=2, var_1_15=1, var_1_1=0, var_1_2=-2, var_1_3=-1, var_1_5=0, var_1_6=1029/8] [L107] RET, EXPR property() [L107] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_13=0, var_1_13=0, var_1_14=2, var_1_15=1, var_1_1=0, var_1_2=-2, var_1_3=-1, var_1_5=0, var_1_6=1029/8] [L19] reach_error() VAL [isInitial=1, last_1_var_1_13=0, var_1_13=0, var_1_14=2, var_1_15=1, var_1_1=0, var_1_2=-2, var_1_3=-1, var_1_5=0, var_1_6=1029/8] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 52 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.2s, OverallIterations: 3, TraceHistogramMax: 16, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 138 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 119 mSDsluCounter, 237 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 122 mSDsCounter, 24 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 171 IncrementalHoareTripleChecker+Invalid, 195 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 24 mSolverCounterUnsat, 115 mSDtfsCounter, 171 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 323 GetRequests, 307 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=53occurred in iteration=2, InterpolantAutomatonStates: 17, 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, 2 MinimizatonAttempts, 52 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 618 NumberOfCodeBlocks, 618 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 510 ConstructedInterpolants, 0 QuantifiedInterpolants, 974 SizeOfPredicates, 2 NumberOfNonLiveVariables, 480 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 5 InterpolantComputations, 1 PerfectInterpolantSequences, 2280/2400 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 [2024-11-22 11:47:47,009 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-12.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash aa1e77145a453bb1c8c30584a939ce2ad6e9e6ba71078979a914a9b565af9d38 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-22 11:47:49,138 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 11:47:49,221 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-22 11:47:49,228 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 11:47:49,228 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 11:47:49,264 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 11:47:49,265 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 11:47:49,266 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 11:47:49,267 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-22 11:47:49,268 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-22 11:47:49,268 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 11:47:49,269 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 11:47:49,269 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 11:47:49,270 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 11:47:49,271 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 11:47:49,272 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 11:47:49,272 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-22 11:47:49,272 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-22 11:47:49,273 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-22 11:47:49,273 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 11:47:49,277 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-22 11:47:49,277 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 11:47:49,277 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-22 11:47:49,277 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-22 11:47:49,278 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-22 11:47:49,278 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 11:47:49,278 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-22 11:47:49,278 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-22 11:47:49,279 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-22 11:47:49,279 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 11:47:49,279 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 11:47:49,279 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 11:47:49,280 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-22 11:47:49,280 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 11:47:49,280 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 11:47:49,281 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 11:47:49,282 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 11:47:49,282 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-22 11:47:49,283 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-22 11:47:49,283 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-22 11:47:49,283 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 11:47:49,283 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 11:47:49,284 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 11:47:49,284 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 11:47:49,284 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aa1e77145a453bb1c8c30584a939ce2ad6e9e6ba71078979a914a9b565af9d38 [2024-11-22 11:47:49,599 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 11:47:49,623 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 11:47:49,627 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 11:47:49,628 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 11:47:49,629 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 11:47:49,630 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-12.i [2024-11-22 11:47:51,063 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 11:47:51,272 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 11:47:51,273 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-12.i [2024-11-22 11:47:51,286 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2209c0372/80352e9e54904cf09ec936642d68a000/FLAG44e249ba7 [2024-11-22 11:47:51,636 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2209c0372/80352e9e54904cf09ec936642d68a000 [2024-11-22 11:47:51,638 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 11:47:51,639 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 11:47:51,640 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 11:47:51,640 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 11:47:51,647 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 11:47:51,647 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:47:51" (1/1) ... [2024-11-22 11:47:51,648 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23eebbf9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:47:51, skipping insertion in model container [2024-11-22 11:47:51,648 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:47:51" (1/1) ... [2024-11-22 11:47:51,678 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 11:47:51,858 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-12.i[915,928] [2024-11-22 11:47:51,910 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 11:47:51,932 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 11:47:51,946 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-12.i[915,928] [2024-11-22 11:47:51,975 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 11:47:52,003 INFO L204 MainTranslator]: Completed translation [2024-11-22 11:47:52,004 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:47:52 WrapperNode [2024-11-22 11:47:52,004 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 11:47:52,005 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 11:47:52,005 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 11:47:52,005 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 11:47:52,012 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:47:52" (1/1) ... [2024-11-22 11:47:52,026 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:47:52" (1/1) ... [2024-11-22 11:47:52,062 INFO L138 Inliner]: procedures = 27, calls = 29, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 111 [2024-11-22 11:47:52,066 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 11:47:52,067 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 11:47:52,067 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 11:47:52,067 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 11:47:52,081 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:47:52" (1/1) ... [2024-11-22 11:47:52,081 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:47:52" (1/1) ... [2024-11-22 11:47:52,084 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:47:52" (1/1) ... [2024-11-22 11:47:52,102 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-22 11:47:52,104 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:47:52" (1/1) ... [2024-11-22 11:47:52,104 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:47:52" (1/1) ... [2024-11-22 11:47:52,112 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:47:52" (1/1) ... [2024-11-22 11:47:52,118 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:47:52" (1/1) ... [2024-11-22 11:47:52,121 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:47:52" (1/1) ... [2024-11-22 11:47:52,126 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:47:52" (1/1) ... [2024-11-22 11:47:52,129 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 11:47:52,130 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 11:47:52,130 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 11:47:52,131 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 11:47:52,131 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:47:52" (1/1) ... [2024-11-22 11:47:52,138 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 11:47:52,149 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 11:47:52,165 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-22 11:47:52,167 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-22 11:47:52,205 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-22 11:47:52,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-22 11:47:52,206 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-22 11:47:52,206 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-22 11:47:52,206 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 11:47:52,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 11:47:52,272 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 11:47:52,276 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 11:47:52,863 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-22 11:47:52,863 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 11:47:52,877 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 11:47:52,878 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-22 11:47:52,878 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:47:52 BoogieIcfgContainer [2024-11-22 11:47:52,878 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 11:47:52,881 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 11:47:52,881 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 11:47:52,884 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 11:47:52,885 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 11:47:51" (1/3) ... [2024-11-22 11:47:52,886 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d81b198 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 11:47:52, skipping insertion in model container [2024-11-22 11:47:52,886 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:47:52" (2/3) ... [2024-11-22 11:47:52,886 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d81b198 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 11:47:52, skipping insertion in model container [2024-11-22 11:47:52,887 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:47:52" (3/3) ... [2024-11-22 11:47:52,888 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount25_file-12.i [2024-11-22 11:47:52,901 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 11:47:52,902 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-22 11:47:52,961 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 11:47:52,968 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@258b6dad, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 11:47:52,968 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-22 11:47:52,974 INFO L276 IsEmpty]: Start isEmpty. Operand has 52 states, 33 states have (on average 1.3333333333333333) internal successors, (44), 34 states have internal predecessors, (44), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-22 11:47:52,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-22 11:47:52,987 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 11:47:52,988 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 11:47:52,989 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 11:47:52,996 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 11:47:52,996 INFO L85 PathProgramCache]: Analyzing trace with hash -1297832078, now seen corresponding path program 1 times [2024-11-22 11:47:53,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-22 11:47:53,013 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [860115958] [2024-11-22 11:47:53,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 11:47:53,013 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 [2024-11-22 11:47:53,014 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-22 11:47:53,017 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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) [2024-11-22 11:47:53,018 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2024-11-22 11:47:53,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 11:47:53,327 INFO L255 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-22 11:47:53,335 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 11:47:53,376 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 206 proven. 0 refuted. 0 times theorem prover too weak. 274 trivial. 0 not checked. [2024-11-22 11:47:53,377 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 11:47:53,377 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-22 11:47:53,378 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [860115958] [2024-11-22 11:47:53,379 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [860115958] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 11:47:53,379 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 11:47:53,380 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 11:47:53,381 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [175304787] [2024-11-22 11:47:53,382 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 11:47:53,386 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-22 11:47:53,386 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-22 11:47:53,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-22 11:47:53,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-22 11:47:53,415 INFO L87 Difference]: Start difference. First operand has 52 states, 33 states have (on average 1.3333333333333333) internal successors, (44), 34 states have internal predecessors, (44), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-22 11:47:53,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 11:47:53,443 INFO L93 Difference]: Finished difference Result 97 states and 162 transitions. [2024-11-22 11:47:53,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-22 11:47:53,445 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 103 [2024-11-22 11:47:53,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 11:47:53,452 INFO L225 Difference]: With dead ends: 97 [2024-11-22 11:47:53,453 INFO L226 Difference]: Without dead ends: 48 [2024-11-22 11:47:53,457 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-22 11:47:53,461 INFO L432 NwaCegarLoop]: 69 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, 69 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 [2024-11-22 11:47:53,462 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 11:47:53,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2024-11-22 11:47:53,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2024-11-22 11:47:53,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 30 states have (on average 1.2333333333333334) internal successors, (37), 30 states have internal predecessors, (37), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-22 11:47:53,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 69 transitions. [2024-11-22 11:47:53,498 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 69 transitions. Word has length 103 [2024-11-22 11:47:53,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 11:47:53,499 INFO L471 AbstractCegarLoop]: Abstraction has 48 states and 69 transitions. [2024-11-22 11:47:53,499 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-22 11:47:53,500 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 69 transitions. [2024-11-22 11:47:53,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-22 11:47:53,502 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 11:47:53,502 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 11:47:53,512 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2024-11-22 11:47:53,703 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2024-11-22 11:47:53,704 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 11:47:53,705 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 11:47:53,705 INFO L85 PathProgramCache]: Analyzing trace with hash -431060418, now seen corresponding path program 1 times [2024-11-22 11:47:53,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-22 11:47:53,706 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1196862221] [2024-11-22 11:47:53,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 11:47:53,706 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 [2024-11-22 11:47:53,706 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-22 11:47:53,709 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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) [2024-11-22 11:47:53,711 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2024-11-22 11:47:53,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 11:47:53,997 INFO L255 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-22 11:47:54,007 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 11:47:54,341 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 225 proven. 30 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2024-11-22 11:47:54,341 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 11:47:54,607 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 15 proven. 30 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2024-11-22 11:47:54,608 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-22 11:47:54,609 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1196862221] [2024-11-22 11:47:54,609 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1196862221] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 11:47:54,609 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-22 11:47:54,609 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2024-11-22 11:47:54,609 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [739763239] [2024-11-22 11:47:54,610 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-22 11:47:54,611 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-22 11:47:54,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-22 11:47:54,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-22 11:47:54,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-22 11:47:54,613 INFO L87 Difference]: Start difference. First operand 48 states and 69 transitions. Second operand has 8 states, 8 states have (on average 4.375) internal successors, (35), 8 states have internal predecessors, (35), 2 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2024-11-22 11:47:55,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 11:47:55,317 INFO L93 Difference]: Finished difference Result 154 states and 215 transitions. [2024-11-22 11:47:55,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-22 11:47:55,318 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.375) internal successors, (35), 8 states have internal predecessors, (35), 2 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 103 [2024-11-22 11:47:55,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 11:47:55,321 INFO L225 Difference]: With dead ends: 154 [2024-11-22 11:47:55,321 INFO L226 Difference]: Without dead ends: 109 [2024-11-22 11:47:55,322 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 216 GetRequests, 198 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=112, Invalid=230, Unknown=0, NotChecked=0, Total=342 [2024-11-22 11:47:55,323 INFO L432 NwaCegarLoop]: 45 mSDtfsCounter, 92 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 128 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 140 SdHoareTripleChecker+Invalid, 185 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-22 11:47:55,323 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 140 Invalid, 185 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 128 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-22 11:47:55,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2024-11-22 11:47:55,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 53. [2024-11-22 11:47:55,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 34 states have (on average 1.2058823529411764) internal successors, (41), 34 states have internal predecessors, (41), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-22 11:47:55,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 73 transitions. [2024-11-22 11:47:55,339 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 73 transitions. Word has length 103 [2024-11-22 11:47:55,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 11:47:55,340 INFO L471 AbstractCegarLoop]: Abstraction has 53 states and 73 transitions. [2024-11-22 11:47:55,340 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.375) internal successors, (35), 8 states have internal predecessors, (35), 2 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2024-11-22 11:47:55,340 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 73 transitions. [2024-11-22 11:47:55,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-22 11:47:55,342 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 11:47:55,342 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 11:47:55,355 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2024-11-22 11:47:55,542 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2024-11-22 11:47:55,543 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 11:47:55,544 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 11:47:55,544 INFO L85 PathProgramCache]: Analyzing trace with hash -373802116, now seen corresponding path program 1 times [2024-11-22 11:47:55,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-22 11:47:55,545 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [614389688] [2024-11-22 11:47:55,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 11:47:55,545 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 [2024-11-22 11:47:55,545 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-22 11:47:55,548 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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) [2024-11-22 11:47:55,550 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2024-11-22 11:47:55,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 11:47:55,782 INFO L255 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-22 11:47:55,790 INFO L278 TraceCheckSpWp]: Computing forward predicates...