./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-96.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-96.i -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/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 716bfe2f08f3d889af4fbe3a20c3c7ce3c563f93492828976757cbf85be2aae7 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 12:41:43,734 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 12:41:43,784 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-11 12:41:43,789 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 12:41:43,789 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 12:41:43,847 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 12:41:43,847 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 12:41:43,848 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 12:41:43,848 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 12:41:43,849 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 12:41:43,849 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 12:41:43,849 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 12:41:43,850 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 12:41:43,850 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 12:41:43,851 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 12:41:43,851 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 12:41:43,851 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 12:41:43,852 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 12:41:43,852 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 12:41:43,852 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 12:41:43,853 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 12:41:43,853 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 12:41:43,853 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 12:41:43,854 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 12:41:43,854 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 12:41:43,854 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 12:41:43,854 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 12:41:43,855 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 12:41:43,855 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 12:41:43,855 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 12:41:43,856 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 12:41:43,856 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 12:41:43,856 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 12:41:43,857 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 12:41:43,857 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 12:41:43,857 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 12:41:43,857 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 12:41:43,858 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 12:41:43,858 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 12:41:43,858 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 12:41:43,859 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 12:41:43,859 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 12:41:43,859 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-clean/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 716bfe2f08f3d889af4fbe3a20c3c7ce3c563f93492828976757cbf85be2aae7 [2024-10-11 12:41:44,113 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 12:41:44,145 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 12:41:44,148 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 12:41:44,151 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 12:41:44,153 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 12:41:44,155 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-96.i [2024-10-11 12:41:46,070 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 12:41:46,304 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 12:41:46,305 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-96.i [2024-10-11 12:41:46,313 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/8fd2d6fe5/ce1bdd9a65874ea18456c6c91496ddf7/FLAG1e80c1f72 [2024-10-11 12:41:46,331 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/8fd2d6fe5/ce1bdd9a65874ea18456c6c91496ddf7 [2024-10-11 12:41:46,334 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 12:41:46,335 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 12:41:46,336 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 12:41:46,336 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 12:41:46,342 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 12:41:46,343 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:41:46" (1/1) ... [2024-10-11 12:41:46,344 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b5906f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:41:46, skipping insertion in model container [2024-10-11 12:41:46,344 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:41:46" (1/1) ... [2024-10-11 12:41:46,369 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 12:41:46,525 WARN L248 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-96.i[915,928] [2024-10-11 12:41:46,564 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 12:41:46,576 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 12:41:46,588 WARN L248 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-96.i[915,928] [2024-10-11 12:41:46,610 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 12:41:46,629 INFO L204 MainTranslator]: Completed translation [2024-10-11 12:41:46,629 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:41:46 WrapperNode [2024-10-11 12:41:46,629 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 12:41:46,631 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 12:41:46,631 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 12:41:46,631 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 12:41:46,637 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:41:46" (1/1) ... [2024-10-11 12:41:46,646 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:41:46" (1/1) ... [2024-10-11 12:41:46,673 INFO L138 Inliner]: procedures = 26, calls = 34, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 123 [2024-10-11 12:41:46,674 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 12:41:46,674 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 12:41:46,674 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 12:41:46,674 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 12:41:46,686 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:41:46" (1/1) ... [2024-10-11 12:41:46,686 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:41:46" (1/1) ... [2024-10-11 12:41:46,695 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:41:46" (1/1) ... [2024-10-11 12:41:46,728 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]. [2024-10-11 12:41:46,732 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:41:46" (1/1) ... [2024-10-11 12:41:46,733 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:41:46" (1/1) ... [2024-10-11 12:41:46,742 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:41:46" (1/1) ... [2024-10-11 12:41:46,749 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:41:46" (1/1) ... [2024-10-11 12:41:46,755 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:41:46" (1/1) ... [2024-10-11 12:41:46,756 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:41:46" (1/1) ... [2024-10-11 12:41:46,759 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 12:41:46,760 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 12:41:46,760 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 12:41:46,760 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 12:41:46,761 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:41:46" (1/1) ... [2024-10-11 12:41:46,766 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 12:41:46,780 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 12:41:46,800 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 12:41:46,803 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 12:41:46,855 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 12:41:46,855 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-11 12:41:46,857 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-11 12:41:46,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-11 12:41:46,857 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 12:41:46,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 12:41:46,941 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 12:41:46,944 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 12:41:47,271 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-10-11 12:41:47,271 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 12:41:47,372 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 12:41:47,373 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-11 12:41:47,373 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:41:47 BoogieIcfgContainer [2024-10-11 12:41:47,373 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 12:41:47,375 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 12:41:47,375 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 12:41:47,379 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 12:41:47,379 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 12:41:46" (1/3) ... [2024-10-11 12:41:47,380 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ca470c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:41:47, skipping insertion in model container [2024-10-11 12:41:47,380 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:41:46" (2/3) ... [2024-10-11 12:41:47,380 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ca470c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:41:47, skipping insertion in model container [2024-10-11 12:41:47,380 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:41:47" (3/3) ... [2024-10-11 12:41:47,382 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount25_file-96.i [2024-10-11 12:41:47,400 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 12:41:47,400 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-11 12:41:47,486 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 12:41:47,496 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;@1d526fc4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 12:41:47,497 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-11 12:41:47,503 INFO L276 IsEmpty]: Start isEmpty. Operand has 53 states, 29 states have (on average 1.3793103448275863) internal successors, (40), 30 states have internal predecessors, (40), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-10-11 12:41:47,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-10-11 12:41:47,515 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 12:41:47,517 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 12:41:47,517 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 12:41:47,522 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 12:41:47,524 INFO L85 PathProgramCache]: Analyzing trace with hash -1327521009, now seen corresponding path program 1 times [2024-10-11 12:41:47,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 12:41:47,535 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1880209316] [2024-10-11 12:41:47,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 12:41:47,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 12:41:47,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:41:48,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 12:41:48,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:41:48,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 12:41:48,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:41:48,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 12:41:48,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:41:48,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 12:41:48,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:41:48,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 12:41:48,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:41:48,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 12:41:48,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:41:48,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 12:41:48,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:41:48,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 12:41:48,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:41:48,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 12:41:48,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:41:48,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 12:41:48,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:41:48,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 12:41:48,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:41:48,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 12:41:48,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:41:48,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 12:41:48,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:41:48,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 12:41:48,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:41:48,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 12:41:48,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:41:48,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 12:41:48,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:41:48,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-11 12:41:48,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:41:48,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 12:41:48,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:41:48,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 12:41:48,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:41:48,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-11 12:41:48,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:41:48,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 12:41:48,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:41:48,333 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-10-11 12:41:48,338 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 12:41:48,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1880209316] [2024-10-11 12:41:48,339 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1880209316] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 12:41:48,340 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 12:41:48,340 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 12:41:48,342 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1314492450] [2024-10-11 12:41:48,343 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 12:41:48,347 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 12:41:48,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 12:41:48,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 12:41:48,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 12:41:48,377 INFO L87 Difference]: Start difference. First operand has 53 states, 29 states have (on average 1.3793103448275863) internal successors, (40), 30 states have internal predecessors, (40), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-10-11 12:41:48,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 12:41:48,504 INFO L93 Difference]: Finished difference Result 153 states and 284 transitions. [2024-10-11 12:41:48,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 12:41:48,507 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 126 [2024-10-11 12:41:48,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 12:41:48,522 INFO L225 Difference]: With dead ends: 153 [2024-10-11 12:41:48,522 INFO L226 Difference]: Without dead ends: 101 [2024-10-11 12:41:48,527 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 12:41:48,532 INFO L432 NwaCegarLoop]: 71 mSDtfsCounter, 37 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 138 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 12:41:48,536 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 138 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 12:41:48,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2024-10-11 12:41:48,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 99. [2024-10-11 12:41:48,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 54 states have (on average 1.2037037037037037) internal successors, (65), 54 states have internal predecessors, (65), 42 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2024-10-11 12:41:48,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 149 transitions. [2024-10-11 12:41:48,625 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 149 transitions. Word has length 126 [2024-10-11 12:41:48,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 12:41:48,629 INFO L471 AbstractCegarLoop]: Abstraction has 99 states and 149 transitions. [2024-10-11 12:41:48,630 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-10-11 12:41:48,630 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 149 transitions. [2024-10-11 12:41:48,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-10-11 12:41:48,635 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 12:41:48,636 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 12:41:48,636 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 12:41:48,636 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 12:41:48,637 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 12:41:48,637 INFO L85 PathProgramCache]: Analyzing trace with hash -1270262707, now seen corresponding path program 1 times [2024-10-11 12:41:48,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 12:41:48,638 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2116504164] [2024-10-11 12:41:48,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 12:41:48,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 12:41:48,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 12:41:48,761 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2027183629] [2024-10-11 12:41:48,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 12:41:48,762 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 12:41:48,762 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 12:41:48,764 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 12:41:48,770 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-11 12:41:49,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-11 12:41:49,047 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-11 12:41:49,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-11 12:41:49,161 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-11 12:41:49,162 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-11 12:41:49,165 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-11 12:41:49,192 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-11 12:41:49,368 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 12:41:49,375 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-10-11 12:41:49,484 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-11 12:41:49,487 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 12:41:49 BoogieIcfgContainer [2024-10-11 12:41:49,488 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-11 12:41:49,488 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-11 12:41:49,488 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-11 12:41:49,489 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-11 12:41:49,489 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:41:47" (3/4) ... [2024-10-11 12:41:49,491 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-11 12:41:49,492 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-11 12:41:49,493 INFO L158 Benchmark]: Toolchain (without parser) took 3158.23ms. Allocated memory is still 199.2MB. Free memory was 129.7MB in the beginning and 134.9MB in the end (delta: -5.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 12:41:49,494 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 140.5MB. Free memory is still 105.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 12:41:49,494 INFO L158 Benchmark]: CACSL2BoogieTranslator took 293.58ms. Allocated memory is still 199.2MB. Free memory was 129.7MB in the beginning and 115.5MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-11 12:41:49,494 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.04ms. Allocated memory is still 199.2MB. Free memory was 115.5MB in the beginning and 113.0MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-11 12:41:49,495 INFO L158 Benchmark]: Boogie Preprocessor took 84.70ms. Allocated memory is still 199.2MB. Free memory was 113.0MB in the beginning and 109.8MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-11 12:41:49,495 INFO L158 Benchmark]: RCFGBuilder took 613.42ms. Allocated memory is still 199.2MB. Free memory was 109.6MB in the beginning and 163.2MB in the end (delta: -53.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-10-11 12:41:49,496 INFO L158 Benchmark]: TraceAbstraction took 2112.46ms. Allocated memory is still 199.2MB. Free memory was 161.9MB in the beginning and 134.9MB in the end (delta: 27.0MB). Peak memory consumption was 28.9MB. Max. memory is 16.1GB. [2024-10-11 12:41:49,496 INFO L158 Benchmark]: Witness Printer took 4.29ms. Allocated memory is still 199.2MB. Free memory is still 134.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 12:41:49,498 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 140.5MB. Free memory is still 105.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 293.58ms. Allocated memory is still 199.2MB. Free memory was 129.7MB in the beginning and 115.5MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.04ms. Allocated memory is still 199.2MB. Free memory was 115.5MB in the beginning and 113.0MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 84.70ms. Allocated memory is still 199.2MB. Free memory was 113.0MB in the beginning and 109.8MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 613.42ms. Allocated memory is still 199.2MB. Free memory was 109.6MB in the beginning and 163.2MB in the end (delta: -53.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 2112.46ms. Allocated memory is still 199.2MB. Free memory was 161.9MB in the beginning and 134.9MB in the end (delta: 27.0MB). Peak memory consumption was 28.9MB. Max. memory is 16.1GB. * Witness Printer took 4.29ms. Allocated memory is still 199.2MB. Free memory is still 134.9MB. 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 106, overapproximation of someBinaryArithmeticFLOAToperation at line 56. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned short int var_1_1 = 8; [L23] unsigned char var_1_2 = 0; [L24] unsigned short int var_1_3 = 8; [L25] unsigned short int var_1_4 = 1000; [L26] unsigned char var_1_5 = 1; [L27] unsigned char var_1_6 = 0; [L28] unsigned char var_1_7 = 1; [L29] unsigned char var_1_8 = 1; [L30] unsigned char var_1_9 = 1; [L31] float var_1_10 = 0.125; [L32] signed long int var_1_11 = 50; [L33] float var_1_12 = 1000000000000.45; [L34] float var_1_13 = 128.5; [L35] float var_1_14 = 10000000.625; [L36] signed char var_1_15 = -5; [L37] signed char var_1_16 = 10; [L110] isInitial = 1 [L111] FCALL initially() [L112] COND TRUE 1 [L113] FCALL updateLastVariables() [L114] CALL updateVariables() [L70] var_1_2 = __VERIFIER_nondet_uchar() [L71] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1/8, var_1_11=50, var_1_12=20000000000009/20, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_3=8, var_1_4=1000, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1/8, var_1_11=50, var_1_12=20000000000009/20, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_3=8, var_1_4=1000, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=1] [L71] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=1/8, var_1_11=50, var_1_12=20000000000009/20, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_3=8, var_1_4=1000, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=1] [L72] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=1/8, var_1_11=50, var_1_12=20000000000009/20, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=0, var_1_3=8, var_1_4=1000, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1/8, var_1_11=50, var_1_12=20000000000009/20, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=0, var_1_3=8, var_1_4=1000, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=1] [L72] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, var_1_10=1/8, var_1_11=50, var_1_12=20000000000009/20, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=0, var_1_3=8, var_1_4=1000, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=1] [L73] var_1_3 = __VERIFIER_nondet_ushort() [L74] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1/8, var_1_11=50, var_1_12=20000000000009/20, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=0, var_1_4=1000, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1/8, var_1_11=50, var_1_12=20000000000009/20, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=0, var_1_4=1000, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=1] [L74] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, var_1_10=1/8, var_1_11=50, var_1_12=20000000000009/20, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=0, var_1_4=1000, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=1] [L75] CALL assume_abort_if_not(var_1_3 <= 65534) VAL [\old(cond)=1, isInitial=1, var_1_10=1/8, var_1_11=50, var_1_12=20000000000009/20, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=0, var_1_3=-65535, var_1_4=1000, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1/8, var_1_11=50, var_1_12=20000000000009/20, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=0, var_1_3=-65535, var_1_4=1000, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=1] [L75] RET assume_abort_if_not(var_1_3 <= 65534) VAL [isInitial=1, var_1_10=1/8, var_1_11=50, var_1_12=20000000000009/20, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=0, var_1_3=-65535, var_1_4=1000, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=1] [L76] var_1_4 = __VERIFIER_nondet_ushort() [L77] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1/8, var_1_11=50, var_1_12=20000000000009/20, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=0, var_1_3=-65535, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1/8, var_1_11=50, var_1_12=20000000000009/20, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=0, var_1_3=-65535, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=1] [L77] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, var_1_10=1/8, var_1_11=50, var_1_12=20000000000009/20, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=0, var_1_3=-65535, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=1] [L78] CALL assume_abort_if_not(var_1_4 <= 65534) VAL [\old(cond)=1, isInitial=1, var_1_10=1/8, var_1_11=50, var_1_12=20000000000009/20, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=0, var_1_3=-65535, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1/8, var_1_11=50, var_1_12=20000000000009/20, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=0, var_1_3=-65535, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=1] [L78] RET assume_abort_if_not(var_1_4 <= 65534) VAL [isInitial=1, var_1_10=1/8, var_1_11=50, var_1_12=20000000000009/20, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=0, var_1_3=-65535, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=1] [L79] var_1_6 = __VERIFIER_nondet_uchar() [L80] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1/8, var_1_11=50, var_1_12=20000000000009/20, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=0, var_1_3=-65535, var_1_4=0, var_1_5=1, var_1_7=1, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1/8, var_1_11=50, var_1_12=20000000000009/20, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=0, var_1_3=-65535, var_1_4=0, var_1_5=1, var_1_7=1, var_1_8=1, var_1_9=1] [L80] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, var_1_10=1/8, var_1_11=50, var_1_12=20000000000009/20, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=0, var_1_3=-65535, var_1_4=0, var_1_5=1, var_1_7=1, var_1_8=1, var_1_9=1] [L81] CALL assume_abort_if_not(var_1_6 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=1/8, var_1_11=50, var_1_12=20000000000009/20, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=0, var_1_3=-65535, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1/8, var_1_11=50, var_1_12=20000000000009/20, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=0, var_1_3=-65535, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=1] [L81] RET assume_abort_if_not(var_1_6 <= 1) VAL [isInitial=1, var_1_10=1/8, var_1_11=50, var_1_12=20000000000009/20, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=0, var_1_3=-65535, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=1] [L82] var_1_7 = __VERIFIER_nondet_uchar() [L83] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1/8, var_1_11=50, var_1_12=20000000000009/20, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=0, var_1_3=-65535, var_1_4=0, var_1_5=1, var_1_6=1, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1/8, var_1_11=50, var_1_12=20000000000009/20, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=0, var_1_3=-65535, var_1_4=0, var_1_5=1, var_1_6=1, var_1_8=1, var_1_9=1] [L83] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, var_1_10=1/8, var_1_11=50, var_1_12=20000000000009/20, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=0, var_1_3=-65535, var_1_4=0, var_1_5=1, var_1_6=1, var_1_8=1, var_1_9=1] [L84] CALL assume_abort_if_not(var_1_7 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=1/8, var_1_11=50, var_1_12=20000000000009/20, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=0, var_1_3=-65535, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1/8, var_1_11=50, var_1_12=20000000000009/20, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=0, var_1_3=-65535, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=1, var_1_9=1] [L84] RET assume_abort_if_not(var_1_7 <= 1) VAL [isInitial=1, var_1_10=1/8, var_1_11=50, var_1_12=20000000000009/20, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=0, var_1_3=-65535, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=1, var_1_9=1] [L85] var_1_8 = __VERIFIER_nondet_uchar() [L86] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1/8, var_1_11=50, var_1_12=20000000000009/20, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=0, var_1_3=-65535, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1/8, var_1_11=50, var_1_12=20000000000009/20, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=0, var_1_3=-65535, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=0, var_1_9=1] [L86] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, var_1_10=1/8, var_1_11=50, var_1_12=20000000000009/20, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=0, var_1_3=-65535, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=0, var_1_9=1] [L87] CALL assume_abort_if_not(var_1_8 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=1/8, var_1_11=50, var_1_12=20000000000009/20, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=0, var_1_3=-65535, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1/8, var_1_11=50, var_1_12=20000000000009/20, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=0, var_1_3=-65535, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=1] [L87] RET assume_abort_if_not(var_1_8 <= 1) VAL [isInitial=1, var_1_10=1/8, var_1_11=50, var_1_12=20000000000009/20, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=0, var_1_3=-65535, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=1] [L88] var_1_9 = __VERIFIER_nondet_uchar() [L89] CALL assume_abort_if_not(var_1_9 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=1/8, var_1_11=50, var_1_12=20000000000009/20, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=0, var_1_3=-65535, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1/8, var_1_11=50, var_1_12=20000000000009/20, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=0, var_1_3=-65535, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=1] [L89] RET assume_abort_if_not(var_1_9 >= 1) VAL [isInitial=1, var_1_10=1/8, var_1_11=50, var_1_12=20000000000009/20, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=0, var_1_3=-65535, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=1] [L90] CALL assume_abort_if_not(var_1_9 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=1/8, var_1_11=50, var_1_12=20000000000009/20, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=0, var_1_3=-65535, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1/8, var_1_11=50, var_1_12=20000000000009/20, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=0, var_1_3=-65535, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=1] [L90] RET assume_abort_if_not(var_1_9 <= 1) VAL [isInitial=1, var_1_10=1/8, var_1_11=50, var_1_12=20000000000009/20, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=0, var_1_3=-65535, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=1] [L91] var_1_11 = __VERIFIER_nondet_long() [L92] CALL assume_abort_if_not(var_1_11 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=1/8, var_1_11=-1, var_1_12=20000000000009/20, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=0, var_1_3=-65535, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1/8, var_1_11=-1, var_1_12=20000000000009/20, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=0, var_1_3=-65535, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=1] [L92] RET assume_abort_if_not(var_1_11 >= -2147483648) VAL [isInitial=1, var_1_10=1/8, var_1_11=-1, var_1_12=20000000000009/20, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=0, var_1_3=-65535, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=1] [L93] CALL assume_abort_if_not(var_1_11 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=1/8, var_1_11=-1, var_1_12=20000000000009/20, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=0, var_1_3=-65535, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1/8, var_1_11=-1, var_1_12=20000000000009/20, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=0, var_1_3=-65535, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=1] [L93] RET assume_abort_if_not(var_1_11 <= 2147483647) VAL [isInitial=1, var_1_10=1/8, var_1_11=-1, var_1_12=20000000000009/20, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=0, var_1_3=-65535, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=1] [L94] CALL assume_abort_if_not(var_1_11 != 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1/8, var_1_11=-1, var_1_12=20000000000009/20, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=0, var_1_3=-65535, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1/8, var_1_11=-1, var_1_12=20000000000009/20, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=0, var_1_3=-65535, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=1] [L94] RET assume_abort_if_not(var_1_11 != 0) VAL [isInitial=1, var_1_10=1/8, var_1_11=-1, var_1_12=20000000000009/20, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=0, var_1_3=-65535, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=1] [L95] var_1_12 = __VERIFIER_nondet_float() [L96] CALL assume_abort_if_not((var_1_12 >= 0.0F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 4611686.018427382800e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1/8, var_1_11=-1, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=0, var_1_3=-65535, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1/8, var_1_11=-1, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=0, var_1_3=-65535, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=1] [L96] RET assume_abort_if_not((var_1_12 >= 0.0F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 4611686.018427382800e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1/8, var_1_11=-1, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=0, var_1_3=-65535, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=1] [L97] var_1_13 = __VERIFIER_nondet_float() [L98] CALL assume_abort_if_not((var_1_13 >= 0.0F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 4611686.018427382800e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1/8, var_1_11=-1, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=0, var_1_3=-65535, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1/8, var_1_11=-1, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=0, var_1_3=-65535, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=1] [L98] RET assume_abort_if_not((var_1_13 >= 0.0F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 4611686.018427382800e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1/8, var_1_11=-1, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=0, var_1_3=-65535, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=1] [L99] var_1_16 = __VERIFIER_nondet_char() [L100] CALL assume_abort_if_not(var_1_16 >= -127) VAL [\old(cond)=1, isInitial=1, var_1_10=1/8, var_1_11=-1, var_1_14=80000005/8, var_1_15=-5, var_1_16=0, var_1_1=8, var_1_2=0, var_1_3=-65535, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1/8, var_1_11=-1, var_1_14=80000005/8, var_1_15=-5, var_1_16=0, var_1_1=8, var_1_2=0, var_1_3=-65535, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=1] [L100] RET assume_abort_if_not(var_1_16 >= -127) VAL [isInitial=1, var_1_10=1/8, var_1_11=-1, var_1_14=80000005/8, var_1_15=-5, var_1_16=0, var_1_1=8, var_1_2=0, var_1_3=-65535, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=1] [L101] CALL assume_abort_if_not(var_1_16 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=1/8, var_1_11=-1, var_1_14=80000005/8, var_1_15=-5, var_1_16=0, var_1_1=8, var_1_2=0, var_1_3=-65535, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1/8, var_1_11=-1, var_1_14=80000005/8, var_1_15=-5, var_1_16=0, var_1_1=8, var_1_2=0, var_1_3=-65535, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=1] [L101] RET assume_abort_if_not(var_1_16 <= 126) VAL [isInitial=1, var_1_10=1/8, var_1_11=-1, var_1_14=80000005/8, var_1_15=-5, var_1_16=0, var_1_1=8, var_1_2=0, var_1_3=-65535, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=1] [L114] RET updateVariables() [L115] CALL step() [L41] unsigned char stepLocal_0 = var_1_6; VAL [isInitial=1, stepLocal_0=1, var_1_10=1/8, var_1_11=-1, var_1_14=80000005/8, var_1_15=-5, var_1_16=0, var_1_1=8, var_1_2=0, var_1_3=-65535, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=1] [L42] COND FALSE !(\read(var_1_2)) VAL [isInitial=1, stepLocal_0=1, var_1_10=1/8, var_1_11=-1, var_1_14=80000005/8, var_1_15=-5, var_1_16=0, var_1_1=8, var_1_2=0, var_1_3=-65535, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=1] [L47] var_1_14 = var_1_12 [L48] var_1_15 = var_1_16 VAL [isInitial=1, stepLocal_0=1, var_1_10=1/8, var_1_11=-1, var_1_12=2, var_1_14=2, var_1_15=0, var_1_16=0, var_1_1=8, var_1_2=0, var_1_3=-65535, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=1] [L49] COND FALSE !(! var_1_5) [L52] var_1_1 = var_1_4 VAL [isInitial=1, stepLocal_0=1, var_1_10=1/8, var_1_11=-1, var_1_12=2, var_1_14=2, var_1_15=0, var_1_16=0, var_1_1=0, var_1_2=0, var_1_3=-65535, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=1] [L54] signed long int stepLocal_1 = -2 / var_1_11; VAL [isInitial=1, stepLocal_0=1, stepLocal_1=1, var_1_10=1/8, var_1_11=-1, var_1_12=2, var_1_14=2, var_1_15=0, var_1_16=0, var_1_1=0, var_1_2=0, var_1_3=-65535, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=1] [L55] COND TRUE stepLocal_1 > (((((var_1_4) > (var_1_3)) ? (var_1_4) : (var_1_3))) * var_1_1) [L56] var_1_10 = ((var_1_12 - var_1_13) + 9.8f) VAL [isInitial=1, stepLocal_0=1, var_1_11=-1, var_1_12=2, var_1_14=2, var_1_15=0, var_1_16=0, var_1_1=0, var_1_2=0, var_1_3=-65535, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=1] [L115] RET step() [L116] CALL, EXPR property() [L106-L107] return (((((! var_1_5) ? (var_1_1 == ((unsigned short int) ((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4))))) : (var_1_1 == ((unsigned short int) var_1_4))) && (var_1_2 ? ((var_1_6 && (var_1_7 || var_1_8)) ? (var_1_5 == ((unsigned char) var_1_9)) : 1) : 1)) && (((-2 / var_1_11) > (((((var_1_4) > (var_1_3)) ? (var_1_4) : (var_1_3))) * var_1_1)) ? (var_1_10 == ((float) ((var_1_12 - var_1_13) + 9.8f))) : (var_1_5 ? (var_1_5 ? (var_1_10 == ((float) var_1_12)) : (var_1_10 == ((float) var_1_13))) : (var_1_10 == ((float) var_1_12))))) && (var_1_14 == ((float) var_1_12))) && (var_1_15 == ((signed char) var_1_16)) ; [L116] RET, EXPR property() [L116] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_11=-1, var_1_12=2, var_1_14=2, var_1_15=0, var_1_16=0, var_1_1=0, var_1_2=0, var_1_3=-65535, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=1] [L19] reach_error() VAL [isInitial=1, var_1_11=-1, var_1_12=2, var_1_14=2, var_1_15=0, var_1_16=0, var_1_1=0, var_1_2=0, var_1_3=-65535, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 53 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.9s, OverallIterations: 2, TraceHistogramMax: 21, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 37 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 37 mSDsluCounter, 138 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 67 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 15 IncrementalHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 71 mSDtfsCounter, 15 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 45 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=99occurred in iteration=1, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 1 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 378 NumberOfCodeBlocks, 378 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 125 ConstructedInterpolants, 0 QuantifiedInterpolants, 197 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 840/840 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 [2024-10-11 12:41:49,536 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, 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-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-96.i -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/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 716bfe2f08f3d889af4fbe3a20c3c7ce3c563f93492828976757cbf85be2aae7 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 12:41:53,874 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 12:41:54,026 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-10-11 12:41:54,035 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 12:41:54,041 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 12:41:54,091 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 12:41:54,092 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 12:41:54,097 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 12:41:54,098 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 12:41:54,098 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 12:41:54,099 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 12:41:54,099 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 12:41:54,099 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 12:41:54,100 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 12:41:54,100 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 12:41:54,100 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 12:41:54,101 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 12:41:54,101 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 12:41:54,101 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 12:41:54,101 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 12:41:54,102 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 12:41:54,109 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 12:41:54,110 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 12:41:54,110 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-11 12:41:54,110 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-11 12:41:54,110 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 12:41:54,111 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-11 12:41:54,111 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 12:41:54,111 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 12:41:54,111 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 12:41:54,112 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 12:41:54,112 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 12:41:54,112 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 12:41:54,112 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 12:41:54,113 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 12:41:54,113 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 12:41:54,121 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 12:41:54,122 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 12:41:54,122 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-11 12:41:54,122 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-10-11 12:41:54,122 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 12:41:54,123 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 12:41:54,124 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 12:41:54,124 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 12:41:54,124 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-11 12:41:54,124 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-clean/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 716bfe2f08f3d889af4fbe3a20c3c7ce3c563f93492828976757cbf85be2aae7 [2024-10-11 12:41:54,797 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 12:41:54,849 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 12:41:54,857 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 12:41:54,863 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 12:41:54,866 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 12:41:54,868 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-96.i [2024-10-11 12:41:57,126 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 12:41:57,360 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 12:41:57,361 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-96.i [2024-10-11 12:41:57,373 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/f7bb5110f/3e98e97367aa41c0bf131b90e604c342/FLAG492407468 [2024-10-11 12:41:57,392 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/f7bb5110f/3e98e97367aa41c0bf131b90e604c342 [2024-10-11 12:41:57,395 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 12:41:57,397 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 12:41:57,400 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 12:41:57,401 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 12:41:57,406 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 12:41:57,407 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:41:57" (1/1) ... [2024-10-11 12:41:57,408 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47aafd17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:41:57, skipping insertion in model container [2024-10-11 12:41:57,411 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:41:57" (1/1) ... [2024-10-11 12:41:57,437 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 12:41:57,639 WARN L248 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-96.i[915,928] [2024-10-11 12:41:57,695 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 12:41:57,716 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 12:41:57,741 WARN L248 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-96.i[915,928] [2024-10-11 12:41:57,769 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 12:41:57,795 INFO L204 MainTranslator]: Completed translation [2024-10-11 12:41:57,796 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:41:57 WrapperNode [2024-10-11 12:41:57,796 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 12:41:57,798 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 12:41:57,798 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 12:41:57,798 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 12:41:57,804 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:41:57" (1/1) ... [2024-10-11 12:41:57,821 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:41:57" (1/1) ... [2024-10-11 12:41:57,857 INFO L138 Inliner]: procedures = 27, calls = 34, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 121 [2024-10-11 12:41:57,861 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 12:41:57,862 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 12:41:57,863 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 12:41:57,863 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 12:41:57,884 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:41:57" (1/1) ... [2024-10-11 12:41:57,885 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:41:57" (1/1) ... [2024-10-11 12:41:57,890 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:41:57" (1/1) ... [2024-10-11 12:41:57,914 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]. [2024-10-11 12:41:57,914 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:41:57" (1/1) ... [2024-10-11 12:41:57,914 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:41:57" (1/1) ... [2024-10-11 12:41:57,922 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:41:57" (1/1) ... [2024-10-11 12:41:57,932 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:41:57" (1/1) ... [2024-10-11 12:41:57,934 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:41:57" (1/1) ... [2024-10-11 12:41:57,936 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:41:57" (1/1) ... [2024-10-11 12:41:57,939 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 12:41:57,940 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 12:41:57,940 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 12:41:57,940 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 12:41:57,941 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:41:57" (1/1) ... [2024-10-11 12:41:57,947 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 12:41:57,965 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 12:41:57,987 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 12:41:57,991 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 12:41:58,036 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 12:41:58,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-10-11 12:41:58,037 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-11 12:41:58,037 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-11 12:41:58,038 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 12:41:58,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 12:41:58,140 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 12:41:58,142 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 12:41:58,732 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-10-11 12:41:58,733 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 12:41:58,797 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 12:41:58,798 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-11 12:41:58,799 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:41:58 BoogieIcfgContainer [2024-10-11 12:41:58,799 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 12:41:58,802 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 12:41:58,802 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 12:41:58,806 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 12:41:58,807 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 12:41:57" (1/3) ... [2024-10-11 12:41:58,807 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@797056f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:41:58, skipping insertion in model container [2024-10-11 12:41:58,807 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:41:57" (2/3) ... [2024-10-11 12:41:58,808 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@797056f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:41:58, skipping insertion in model container [2024-10-11 12:41:58,808 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:41:58" (3/3) ... [2024-10-11 12:41:58,809 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount25_file-96.i [2024-10-11 12:41:58,830 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 12:41:58,830 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-11 12:41:58,907 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 12:41:58,920 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;@7be30158, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 12:41:58,920 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-11 12:41:58,926 INFO L276 IsEmpty]: Start isEmpty. Operand has 53 states, 29 states have (on average 1.3793103448275863) internal successors, (40), 30 states have internal predecessors, (40), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-10-11 12:41:58,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-10-11 12:41:58,943 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 12:41:58,944 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 12:41:58,945 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 12:41:58,950 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 12:41:58,952 INFO L85 PathProgramCache]: Analyzing trace with hash -1327521009, now seen corresponding path program 1 times [2024-10-11 12:41:58,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-11 12:41:58,969 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1350914218] [2024-10-11 12:41:58,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 12:41:58,970 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 [2024-10-11 12:41:58,970 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-11 12:41:58,974 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-clean/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) [2024-10-11 12:41:58,975 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/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 [2024-10-11 12:41:59,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:41:59,302 INFO L255 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-11 12:41:59,313 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 12:41:59,776 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-10-11 12:41:59,776 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 12:41:59,777 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-11 12:41:59,777 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1350914218] [2024-10-11 12:41:59,778 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1350914218] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 12:41:59,778 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 12:41:59,782 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 12:41:59,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1438272815] [2024-10-11 12:41:59,785 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 12:41:59,793 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 12:41:59,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-11 12:41:59,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 12:41:59,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 12:41:59,818 INFO L87 Difference]: Start difference. First operand has 53 states, 29 states have (on average 1.3793103448275863) internal successors, (40), 30 states have internal predecessors, (40), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-10-11 12:42:00,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 12:42:00,782 INFO L93 Difference]: Finished difference Result 153 states and 284 transitions. [2024-10-11 12:42:00,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 12:42:00,787 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 126 [2024-10-11 12:42:00,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 12:42:00,800 INFO L225 Difference]: With dead ends: 153 [2024-10-11 12:42:00,801 INFO L226 Difference]: Without dead ends: 101 [2024-10-11 12:42:00,805 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 12:42:00,808 INFO L432 NwaCegarLoop]: 71 mSDtfsCounter, 13 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 138 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-11 12:42:00,809 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 138 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-11 12:42:00,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2024-10-11 12:42:00,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 99. [2024-10-11 12:42:00,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 54 states have (on average 1.2037037037037037) internal successors, (65), 54 states have internal predecessors, (65), 42 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2024-10-11 12:42:00,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 149 transitions. [2024-10-11 12:42:00,869 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 149 transitions. Word has length 126 [2024-10-11 12:42:00,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 12:42:00,870 INFO L471 AbstractCegarLoop]: Abstraction has 99 states and 149 transitions. [2024-10-11 12:42:00,870 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-10-11 12:42:00,870 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 149 transitions. [2024-10-11 12:42:00,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-10-11 12:42:00,873 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 12:42:00,873 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 12:42:00,892 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/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 [2024-10-11 12:42:01,078 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-clean/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 [2024-10-11 12:42:01,079 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 12:42:01,080 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 12:42:01,081 INFO L85 PathProgramCache]: Analyzing trace with hash -1270262707, now seen corresponding path program 1 times [2024-10-11 12:42:01,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-11 12:42:01,082 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1652864688] [2024-10-11 12:42:01,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 12:42:01,082 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 [2024-10-11 12:42:01,083 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-11 12:42:01,090 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-clean/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) [2024-10-11 12:42:01,101 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/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 [2024-10-11 12:42:02,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:42:02,371 INFO L255 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-10-11 12:42:02,381 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 12:42:27,942 WARN L286 SmtUtils]: Spent 7.73s on a formula simplification that was a NOOP. DAG size: 55 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)