./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-45.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-45.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 455884604d970c74ae4cae493229d55b9a2777270ff79ffb99fa854ba6e89348 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 12:35:44,792 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 12:35:44,858 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-11 12:35:44,864 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 12:35:44,864 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 12:35:44,897 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 12:35:44,898 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 12:35:44,898 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 12:35:44,899 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 12:35:44,899 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 12:35:44,899 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 12:35:44,900 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 12:35:44,900 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 12:35:44,901 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 12:35:44,901 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 12:35:44,903 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 12:35:44,904 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 12:35:44,907 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 12:35:44,907 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 12:35:44,907 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 12:35:44,907 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 12:35:44,908 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 12:35:44,908 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 12:35:44,908 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 12:35:44,908 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 12:35:44,909 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 12:35:44,909 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 12:35:44,909 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 12:35:44,909 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 12:35:44,909 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 12:35:44,910 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 12:35:44,910 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 12:35:44,910 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 12:35:44,910 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 12:35:44,911 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 12:35:44,911 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 12:35:44,912 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 12:35:44,913 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 12:35:44,913 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 12:35:44,914 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 12:35:44,914 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 12:35:44,915 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 12:35:44,915 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 455884604d970c74ae4cae493229d55b9a2777270ff79ffb99fa854ba6e89348 [2024-10-11 12:35:45,219 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 12:35:45,243 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 12:35:45,246 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 12:35:45,247 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 12:35:45,248 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 12:35:45,249 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-45.i [2024-10-11 12:35:46,659 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 12:35:46,910 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 12:35:46,911 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-45.i [2024-10-11 12:35:46,918 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/86bc9061c/eda1389f1b974b818521fc7822eef63e/FLAG8cbd1d589 [2024-10-11 12:35:46,931 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/86bc9061c/eda1389f1b974b818521fc7822eef63e [2024-10-11 12:35:46,933 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 12:35:46,935 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 12:35:46,937 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 12:35:46,937 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 12:35:46,943 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 12:35:46,944 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:35:46" (1/1) ... [2024-10-11 12:35:46,945 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33297280 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:35:46, skipping insertion in model container [2024-10-11 12:35:46,945 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:35:46" (1/1) ... [2024-10-11 12:35:46,968 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 12:35:47,148 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-45.i[915,928] [2024-10-11 12:35:47,204 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 12:35:47,225 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 12:35:47,237 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-45.i[915,928] [2024-10-11 12:35:47,269 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 12:35:47,292 INFO L204 MainTranslator]: Completed translation [2024-10-11 12:35:47,292 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:35:47 WrapperNode [2024-10-11 12:35:47,293 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 12:35:47,294 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 12:35:47,295 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 12:35:47,295 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 12:35:47,302 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:35:47" (1/1) ... [2024-10-11 12:35:47,314 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:35:47" (1/1) ... [2024-10-11 12:35:47,343 INFO L138 Inliner]: procedures = 26, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 117 [2024-10-11 12:35:47,343 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 12:35:47,344 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 12:35:47,344 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 12:35:47,344 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 12:35:47,358 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:35:47" (1/1) ... [2024-10-11 12:35:47,358 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:35:47" (1/1) ... [2024-10-11 12:35:47,362 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:35:47" (1/1) ... [2024-10-11 12:35:47,380 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 12:35:47,380 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:35:47" (1/1) ... [2024-10-11 12:35:47,381 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:35:47" (1/1) ... [2024-10-11 12:35:47,391 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:35:47" (1/1) ... [2024-10-11 12:35:47,397 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:35:47" (1/1) ... [2024-10-11 12:35:47,399 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:35:47" (1/1) ... [2024-10-11 12:35:47,400 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:35:47" (1/1) ... [2024-10-11 12:35:47,402 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 12:35:47,403 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 12:35:47,403 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 12:35:47,404 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 12:35:47,405 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:35:47" (1/1) ... [2024-10-11 12:35:47,411 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 12:35:47,424 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 12:35:47,453 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 12:35:47,460 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 12:35:47,504 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 12:35:47,504 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-11 12:35:47,506 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-11 12:35:47,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-11 12:35:47,506 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 12:35:47,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 12:35:47,625 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 12:35:47,627 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 12:35:47,901 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-10-11 12:35:47,905 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 12:35:47,964 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 12:35:47,965 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-11 12:35:47,965 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:35:47 BoogieIcfgContainer [2024-10-11 12:35:47,965 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 12:35:47,969 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 12:35:47,969 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 12:35:47,973 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 12:35:47,973 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 12:35:46" (1/3) ... [2024-10-11 12:35:47,974 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46386e93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:35:47, skipping insertion in model container [2024-10-11 12:35:47,975 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:35:47" (2/3) ... [2024-10-11 12:35:47,975 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46386e93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:35:47, skipping insertion in model container [2024-10-11 12:35:47,975 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:35:47" (3/3) ... [2024-10-11 12:35:47,977 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount25_file-45.i [2024-10-11 12:35:47,994 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 12:35:47,995 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-11 12:35:48,061 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 12:35:48,067 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;@e19650c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 12:35:48,068 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-11 12:35:48,072 INFO L276 IsEmpty]: Start isEmpty. Operand has 48 states, 26 states have (on average 1.3461538461538463) internal successors, (35), 27 states have internal predecessors, (35), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-10-11 12:35:48,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-10-11 12:35:48,083 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 12:35:48,084 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:35:48,084 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 12:35:48,090 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 12:35:48,090 INFO L85 PathProgramCache]: Analyzing trace with hash -10547607, now seen corresponding path program 1 times [2024-10-11 12:35:48,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 12:35:48,097 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [590182400] [2024-10-11 12:35:48,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 12:35:48,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 12:35:48,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:35:56,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 12:35:56,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:35:56,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 12:35:56,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:35:56,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 12:35:56,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:35:56,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 12:35:56,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:35:56,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-11 12:35:56,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:35:56,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-11 12:35:56,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:35:56,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 12:35:56,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:35:56,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-11 12:35:56,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:35:56,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-11 12:35:56,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:35:56,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-11 12:35:56,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:35:56,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-11 12:35:56,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:35:56,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-11 12:35:56,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:35:56,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-11 12:35:56,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:35:56,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-11 12:35:56,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:35:56,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 12:35:56,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:35:56,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 12:35:56,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:35:56,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 12:35:56,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:35:56,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-11 12:35:56,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:35:56,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 12:35:56,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:35:56,424 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 60 proven. 120 refuted. 0 times theorem prover too weak. 504 trivial. 0 not checked. [2024-10-11 12:35:56,424 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 12:35:56,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [590182400] [2024-10-11 12:35:56,426 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [590182400] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 12:35:56,426 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [887437372] [2024-10-11 12:35:56,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 12:35:56,427 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 12:35:56,428 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 12:35:56,430 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 12:35:56,432 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 12:35:56,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:35:56,725 INFO L255 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-10-11 12:35:56,740 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 12:35:59,144 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 459 proven. 153 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-10-11 12:35:59,144 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 12:36:01,957 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 135 proven. 144 refuted. 0 times theorem prover too weak. 405 trivial. 0 not checked. [2024-10-11 12:36:01,957 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [887437372] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 12:36:01,957 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 12:36:01,958 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 25, 22] total 50 [2024-10-11 12:36:01,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [43275555] [2024-10-11 12:36:01,960 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 12:36:01,965 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2024-10-11 12:36:01,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 12:36:01,991 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2024-10-11 12:36:01,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=556, Invalid=1894, Unknown=0, NotChecked=0, Total=2450 [2024-10-11 12:36:01,997 INFO L87 Difference]: Start difference. First operand has 48 states, 26 states have (on average 1.3461538461538463) internal successors, (35), 27 states have internal predecessors, (35), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 50 states, 46 states have (on average 1.934782608695652) internal successors, (89), 42 states have internal predecessors, (89), 16 states have call successors, (45), 8 states have call predecessors, (45), 16 states have return successors, (47), 16 states have call predecessors, (47), 16 states have call successors, (47) [2024-10-11 12:36:11,275 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-10-11 12:36:15,855 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-10-11 12:36:22,644 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-10-11 12:36:23,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 12:36:23,776 INFO L93 Difference]: Finished difference Result 246 states and 395 transitions. [2024-10-11 12:36:23,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2024-10-11 12:36:23,780 INFO L78 Accepts]: Start accepts. Automaton has has 50 states, 46 states have (on average 1.934782608695652) internal successors, (89), 42 states have internal predecessors, (89), 16 states have call successors, (45), 8 states have call predecessors, (45), 16 states have return successors, (47), 16 states have call predecessors, (47), 16 states have call successors, (47) Word has length 115 [2024-10-11 12:36:23,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 12:36:23,792 INFO L225 Difference]: With dead ends: 246 [2024-10-11 12:36:23,792 INFO L226 Difference]: Without dead ends: 199 [2024-10-11 12:36:23,799 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 341 GetRequests, 242 SyntacticMatches, 2 SemanticMatches, 97 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2486 ImplicationChecksByTransitivity, 8.9s TimeCoverageRelationStatistics Valid=2616, Invalid=7086, Unknown=0, NotChecked=0, Total=9702 [2024-10-11 12:36:23,803 INFO L432 NwaCegarLoop]: 72 mSDtfsCounter, 525 mSDsluCounter, 345 mSDsCounter, 0 mSdLazyCounter, 1023 mSolverCounterSat, 378 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 527 SdHoareTripleChecker+Valid, 417 SdHoareTripleChecker+Invalid, 1404 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 378 IncrementalHoareTripleChecker+Valid, 1023 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.2s IncrementalHoareTripleChecker+Time [2024-10-11 12:36:23,804 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [527 Valid, 417 Invalid, 1404 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [378 Valid, 1023 Invalid, 3 Unknown, 0 Unchecked, 16.2s Time] [2024-10-11 12:36:23,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states. [2024-10-11 12:36:23,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 165. [2024-10-11 12:36:23,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 165 states, 104 states have (on average 1.1153846153846154) internal successors, (116), 105 states have internal predecessors, (116), 43 states have call successors, (43), 17 states have call predecessors, (43), 17 states have return successors, (43), 42 states have call predecessors, (43), 43 states have call successors, (43) [2024-10-11 12:36:23,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 202 transitions. [2024-10-11 12:36:23,912 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 202 transitions. Word has length 115 [2024-10-11 12:36:23,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 12:36:23,912 INFO L471 AbstractCegarLoop]: Abstraction has 165 states and 202 transitions. [2024-10-11 12:36:23,913 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 46 states have (on average 1.934782608695652) internal successors, (89), 42 states have internal predecessors, (89), 16 states have call successors, (45), 8 states have call predecessors, (45), 16 states have return successors, (47), 16 states have call predecessors, (47), 16 states have call successors, (47) [2024-10-11 12:36:23,913 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 202 transitions. [2024-10-11 12:36:23,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-10-11 12:36:23,916 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 12:36:23,916 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:36:23,938 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 12:36:24,117 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-10-11 12:36:24,118 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 12:36:24,118 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 12:36:24,118 INFO L85 PathProgramCache]: Analyzing trace with hash -10488025, now seen corresponding path program 1 times [2024-10-11 12:36:24,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 12:36:24,119 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1842325966] [2024-10-11 12:36:24,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 12:36:24,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 12:36:24,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-11 12:36:24,173 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-11 12:36:24,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-11 12:36:24,289 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-11 12:36:24,289 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-11 12:36:24,291 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-11 12:36:24,292 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-11 12:36:24,295 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-10-11 12:36:24,387 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-11 12:36:24,391 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 12:36:24 BoogieIcfgContainer [2024-10-11 12:36:24,392 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-11 12:36:24,393 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-11 12:36:24,393 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-11 12:36:24,394 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-11 12:36:24,394 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:35:47" (3/4) ... [2024-10-11 12:36:24,396 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-11 12:36:24,397 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-11 12:36:24,398 INFO L158 Benchmark]: Toolchain (without parser) took 37463.27ms. Allocated memory was 151.0MB in the beginning and 383.8MB in the end (delta: 232.8MB). Free memory was 120.4MB in the beginning and 193.0MB in the end (delta: -72.6MB). Peak memory consumption was 161.3MB. Max. memory is 16.1GB. [2024-10-11 12:36:24,398 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 109.1MB. Free memory is still 80.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 12:36:24,399 INFO L158 Benchmark]: CACSL2BoogieTranslator took 355.97ms. Allocated memory is still 151.0MB. Free memory was 119.7MB in the beginning and 105.8MB in the end (delta: 14.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-10-11 12:36:24,399 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.79ms. Allocated memory is still 151.0MB. Free memory was 105.8MB in the beginning and 103.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-11 12:36:24,400 INFO L158 Benchmark]: Boogie Preprocessor took 58.36ms. Allocated memory is still 151.0MB. Free memory was 103.7MB in the beginning and 100.9MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-11 12:36:24,400 INFO L158 Benchmark]: RCFGBuilder took 562.01ms. Allocated memory is still 151.0MB. Free memory was 100.9MB in the beginning and 109.9MB in the end (delta: -9.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-10-11 12:36:24,401 INFO L158 Benchmark]: TraceAbstraction took 36423.52ms. Allocated memory was 151.0MB in the beginning and 383.8MB in the end (delta: 232.8MB). Free memory was 108.9MB in the beginning and 193.0MB in the end (delta: -84.1MB). Peak memory consumption was 150.3MB. Max. memory is 16.1GB. [2024-10-11 12:36:24,401 INFO L158 Benchmark]: Witness Printer took 4.25ms. Allocated memory is still 383.8MB. Free memory is still 193.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 12:36:24,403 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 109.1MB. Free memory is still 80.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 355.97ms. Allocated memory is still 151.0MB. Free memory was 119.7MB in the beginning and 105.8MB in the end (delta: 14.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.79ms. Allocated memory is still 151.0MB. Free memory was 105.8MB in the beginning and 103.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 58.36ms. Allocated memory is still 151.0MB. Free memory was 103.7MB in the beginning and 100.9MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 562.01ms. Allocated memory is still 151.0MB. Free memory was 100.9MB in the beginning and 109.9MB in the end (delta: -9.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 36423.52ms. Allocated memory was 151.0MB in the beginning and 383.8MB in the end (delta: 232.8MB). Free memory was 108.9MB in the beginning and 193.0MB in the end (delta: -84.1MB). Peak memory consumption was 150.3MB. Max. memory is 16.1GB. * Witness Printer took 4.25ms. Allocated memory is still 383.8MB. Free memory is still 193.0MB. 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 someBinaryDOUBLEComparisonOperation at line 93. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] double var_1_1 = 999999.2; [L23] double var_1_6 = 0.0; [L24] double var_1_7 = 5.9; [L25] double var_1_8 = 255.6; [L26] unsigned long int var_1_9 = 4; [L27] unsigned char var_1_10 = 0; [L28] unsigned long int var_1_11 = 1142722175; [L29] unsigned long int var_1_12 = 1231257437; [L30] signed char var_1_13 = -10; [L31] signed char var_1_14 = 100; [L32] signed char var_1_15 = 4; [L33] signed char var_1_16 = 64; [L34] signed char var_1_17 = 1; [L35] signed char var_1_18 = -8; [L36] unsigned char var_1_19 = 4; [L97] isInitial = 1 [L98] FCALL initially() [L99] COND TRUE 1 [L100] FCALL updateLastVariables() [L101] CALL updateVariables() [L59] var_1_6 = __VERIFIER_nondet_double() [L60] CALL assume_abort_if_not((var_1_6 >= 4611686.018427382800e+12F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854765600e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1142722175, var_1_12=1231257437, var_1_13=-10, var_1_14=100, var_1_15=4, var_1_16=64, var_1_17=1, var_1_18=-8, var_1_19=4, var_1_1=4999996/5, var_1_7=59/10, var_1_8=1278/5, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1142722175, var_1_12=1231257437, var_1_13=-10, var_1_14=100, var_1_15=4, var_1_16=64, var_1_17=1, var_1_18=-8, var_1_19=4, var_1_1=4999996/5, var_1_7=59/10, var_1_8=1278/5, var_1_9=4] [L60] RET assume_abort_if_not((var_1_6 >= 4611686.018427382800e+12F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854765600e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_11=1142722175, var_1_12=1231257437, var_1_13=-10, var_1_14=100, var_1_15=4, var_1_16=64, var_1_17=1, var_1_18=-8, var_1_19=4, var_1_1=4999996/5, var_1_7=59/10, var_1_8=1278/5, var_1_9=4] [L61] var_1_7 = __VERIFIER_nondet_double() [L62] CALL assume_abort_if_not((var_1_7 >= 0.0F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 4611686.018427382800e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1142722175, var_1_12=1231257437, var_1_13=-10, var_1_14=100, var_1_15=4, var_1_16=64, var_1_17=1, var_1_18=-8, var_1_19=4, var_1_1=4999996/5, var_1_8=1278/5, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1142722175, var_1_12=1231257437, var_1_13=-10, var_1_14=100, var_1_15=4, var_1_16=64, var_1_17=1, var_1_18=-8, var_1_19=4, var_1_1=4999996/5, var_1_8=1278/5, var_1_9=4] [L62] RET assume_abort_if_not((var_1_7 >= 0.0F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 4611686.018427382800e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_11=1142722175, var_1_12=1231257437, var_1_13=-10, var_1_14=100, var_1_15=4, var_1_16=64, var_1_17=1, var_1_18=-8, var_1_19=4, var_1_1=4999996/5, var_1_8=1278/5, var_1_9=4] [L63] var_1_8 = __VERIFIER_nondet_double() [L64] CALL assume_abort_if_not((var_1_8 >= 0.0F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854765600e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1142722175, var_1_12=1231257437, var_1_13=-10, var_1_14=100, var_1_15=4, var_1_16=64, var_1_17=1, var_1_18=-8, var_1_19=4, var_1_1=4999996/5, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1142722175, var_1_12=1231257437, var_1_13=-10, var_1_14=100, var_1_15=4, var_1_16=64, var_1_17=1, var_1_18=-8, var_1_19=4, var_1_1=4999996/5, var_1_9=4] [L64] RET assume_abort_if_not((var_1_8 >= 0.0F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854765600e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_11=1142722175, var_1_12=1231257437, var_1_13=-10, var_1_14=100, var_1_15=4, var_1_16=64, var_1_17=1, var_1_18=-8, var_1_19=4, var_1_1=4999996/5, var_1_9=4] [L65] var_1_10 = __VERIFIER_nondet_uchar() [L66] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_11=1142722175, var_1_12=1231257437, var_1_13=-10, var_1_14=100, var_1_15=4, var_1_16=64, var_1_17=1, var_1_18=-8, var_1_19=4, var_1_1=4999996/5, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=1142722175, var_1_12=1231257437, var_1_13=-10, var_1_14=100, var_1_15=4, var_1_16=64, var_1_17=1, var_1_18=-8, var_1_19=4, var_1_1=4999996/5, var_1_9=4] [L66] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, var_1_11=1142722175, var_1_12=1231257437, var_1_13=-10, var_1_14=100, var_1_15=4, var_1_16=64, var_1_17=1, var_1_18=-8, var_1_19=4, var_1_1=4999996/5, var_1_9=4] [L67] CALL assume_abort_if_not(var_1_10 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1142722175, var_1_12=1231257437, var_1_13=-10, var_1_14=100, var_1_15=4, var_1_16=64, var_1_17=1, var_1_18=-8, var_1_19=4, var_1_1=4999996/5, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1142722175, var_1_12=1231257437, var_1_13=-10, var_1_14=100, var_1_15=4, var_1_16=64, var_1_17=1, var_1_18=-8, var_1_19=4, var_1_1=4999996/5, var_1_9=4] [L67] RET assume_abort_if_not(var_1_10 <= 1) VAL [isInitial=1, var_1_10=1, var_1_11=1142722175, var_1_12=1231257437, var_1_13=-10, var_1_14=100, var_1_15=4, var_1_16=64, var_1_17=1, var_1_18=-8, var_1_19=4, var_1_1=4999996/5, var_1_9=4] [L68] var_1_11 = __VERIFIER_nondet_ulong() [L69] CALL assume_abort_if_not(var_1_11 >= 1073741823) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=2147483590, var_1_12=1231257437, var_1_13=-10, var_1_14=100, var_1_15=4, var_1_16=64, var_1_17=1, var_1_18=-8, var_1_19=4, var_1_1=4999996/5, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=2147483590, var_1_12=1231257437, var_1_13=-10, var_1_14=100, var_1_15=4, var_1_16=64, var_1_17=1, var_1_18=-8, var_1_19=4, var_1_1=4999996/5, var_1_9=4] [L69] RET assume_abort_if_not(var_1_11 >= 1073741823) VAL [isInitial=1, var_1_10=1, var_1_11=2147483590, var_1_12=1231257437, var_1_13=-10, var_1_14=100, var_1_15=4, var_1_16=64, var_1_17=1, var_1_18=-8, var_1_19=4, var_1_1=4999996/5, var_1_9=4] [L70] CALL assume_abort_if_not(var_1_11 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=2147483590, var_1_12=1231257437, var_1_13=-10, var_1_14=100, var_1_15=4, var_1_16=64, var_1_17=1, var_1_18=-8, var_1_19=4, var_1_1=4999996/5, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=2147483590, var_1_12=1231257437, var_1_13=-10, var_1_14=100, var_1_15=4, var_1_16=64, var_1_17=1, var_1_18=-8, var_1_19=4, var_1_1=4999996/5, var_1_9=4] [L70] RET assume_abort_if_not(var_1_11 <= 2147483647) VAL [isInitial=1, var_1_10=1, var_1_11=2147483590, var_1_12=1231257437, var_1_13=-10, var_1_14=100, var_1_15=4, var_1_16=64, var_1_17=1, var_1_18=-8, var_1_19=4, var_1_1=4999996/5, var_1_9=4] [L71] var_1_12 = __VERIFIER_nondet_ulong() [L72] CALL assume_abort_if_not(var_1_12 >= 1073741824) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=2147483590, var_1_12=-2147483649, var_1_13=-10, var_1_14=100, var_1_15=4, var_1_16=64, var_1_17=1, var_1_18=-8, var_1_19=4, var_1_1=4999996/5, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=2147483590, var_1_12=-2147483649, var_1_13=-10, var_1_14=100, var_1_15=4, var_1_16=64, var_1_17=1, var_1_18=-8, var_1_19=4, var_1_1=4999996/5, var_1_9=4] [L72] RET assume_abort_if_not(var_1_12 >= 1073741824) VAL [isInitial=1, var_1_10=1, var_1_11=2147483590, var_1_12=-2147483649, var_1_13=-10, var_1_14=100, var_1_15=4, var_1_16=64, var_1_17=1, var_1_18=-8, var_1_19=4, var_1_1=4999996/5, var_1_9=4] [L73] CALL assume_abort_if_not(var_1_12 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=2147483590, var_1_12=-2147483649, var_1_13=-10, var_1_14=100, var_1_15=4, var_1_16=64, var_1_17=1, var_1_18=-8, var_1_19=4, var_1_1=4999996/5, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=2147483590, var_1_12=-2147483649, var_1_13=-10, var_1_14=100, var_1_15=4, var_1_16=64, var_1_17=1, var_1_18=-8, var_1_19=4, var_1_1=4999996/5, var_1_9=4] [L73] RET assume_abort_if_not(var_1_12 <= 2147483647) VAL [isInitial=1, var_1_10=1, var_1_11=2147483590, var_1_12=-2147483649, var_1_13=-10, var_1_14=100, var_1_15=4, var_1_16=64, var_1_17=1, var_1_18=-8, var_1_19=4, var_1_1=4999996/5, var_1_9=4] [L74] var_1_14 = __VERIFIER_nondet_char() [L75] CALL assume_abort_if_not(var_1_14 >= -1) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=2147483590, var_1_12=-2147483649, var_1_13=-10, var_1_14=64, var_1_15=4, var_1_16=64, var_1_17=1, var_1_18=-8, var_1_19=4, var_1_1=4999996/5, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=2147483590, var_1_12=-2147483649, var_1_13=-10, var_1_14=64, var_1_15=4, var_1_16=64, var_1_17=1, var_1_18=-8, var_1_19=4, var_1_1=4999996/5, var_1_9=4] [L75] RET assume_abort_if_not(var_1_14 >= -1) VAL [isInitial=1, var_1_10=1, var_1_11=2147483590, var_1_12=-2147483649, var_1_13=-10, var_1_14=64, var_1_15=4, var_1_16=64, var_1_17=1, var_1_18=-8, var_1_19=4, var_1_1=4999996/5, var_1_9=4] [L76] CALL assume_abort_if_not(var_1_14 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=2147483590, var_1_12=-2147483649, var_1_13=-10, var_1_14=64, var_1_15=4, var_1_16=64, var_1_17=1, var_1_18=-8, var_1_19=4, var_1_1=4999996/5, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=2147483590, var_1_12=-2147483649, var_1_13=-10, var_1_14=64, var_1_15=4, var_1_16=64, var_1_17=1, var_1_18=-8, var_1_19=4, var_1_1=4999996/5, var_1_9=4] [L76] RET assume_abort_if_not(var_1_14 <= 126) VAL [isInitial=1, var_1_10=1, var_1_11=2147483590, var_1_12=-2147483649, var_1_13=-10, var_1_14=64, var_1_15=4, var_1_16=64, var_1_17=1, var_1_18=-8, var_1_19=4, var_1_1=4999996/5, var_1_9=4] [L77] var_1_15 = __VERIFIER_nondet_char() [L78] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=2147483590, var_1_12=-2147483649, var_1_13=-10, var_1_14=64, var_1_15=126, var_1_16=64, var_1_17=1, var_1_18=-8, var_1_19=4, var_1_1=4999996/5, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=2147483590, var_1_12=-2147483649, var_1_13=-10, var_1_14=64, var_1_15=126, var_1_16=64, var_1_17=1, var_1_18=-8, var_1_19=4, var_1_1=4999996/5, var_1_9=4] [L78] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, var_1_10=1, var_1_11=2147483590, var_1_12=-2147483649, var_1_13=-10, var_1_14=64, var_1_15=126, var_1_16=64, var_1_17=1, var_1_18=-8, var_1_19=4, var_1_1=4999996/5, var_1_9=4] [L79] CALL assume_abort_if_not(var_1_15 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=2147483590, var_1_12=-2147483649, var_1_13=-10, var_1_14=64, var_1_15=126, var_1_16=64, var_1_17=1, var_1_18=-8, var_1_19=4, var_1_1=4999996/5, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=2147483590, var_1_12=-2147483649, var_1_13=-10, var_1_14=64, var_1_15=126, var_1_16=64, var_1_17=1, var_1_18=-8, var_1_19=4, var_1_1=4999996/5, var_1_9=4] [L79] RET assume_abort_if_not(var_1_15 <= 126) VAL [isInitial=1, var_1_10=1, var_1_11=2147483590, var_1_12=-2147483649, var_1_13=-10, var_1_14=64, var_1_15=126, var_1_16=64, var_1_17=1, var_1_18=-8, var_1_19=4, var_1_1=4999996/5, var_1_9=4] [L80] var_1_16 = __VERIFIER_nondet_char() [L81] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=2147483590, var_1_12=-2147483649, var_1_13=-10, var_1_14=64, var_1_15=126, var_1_16=0, var_1_17=1, var_1_18=-8, var_1_19=4, var_1_1=4999996/5, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=2147483590, var_1_12=-2147483649, var_1_13=-10, var_1_14=64, var_1_15=126, var_1_16=0, var_1_17=1, var_1_18=-8, var_1_19=4, var_1_1=4999996/5, var_1_9=4] [L81] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, var_1_10=1, var_1_11=2147483590, var_1_12=-2147483649, var_1_13=-10, var_1_14=64, var_1_15=126, var_1_16=0, var_1_17=1, var_1_18=-8, var_1_19=4, var_1_1=4999996/5, var_1_9=4] [L82] CALL assume_abort_if_not(var_1_16 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=2147483590, var_1_12=-2147483649, var_1_13=-10, var_1_14=64, var_1_15=126, var_1_16=0, var_1_17=1, var_1_18=-8, var_1_19=4, var_1_1=4999996/5, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=2147483590, var_1_12=-2147483649, var_1_13=-10, var_1_14=64, var_1_15=126, var_1_16=0, var_1_17=1, var_1_18=-8, var_1_19=4, var_1_1=4999996/5, var_1_9=4] [L82] RET assume_abort_if_not(var_1_16 <= 126) VAL [isInitial=1, var_1_10=1, var_1_11=2147483590, var_1_12=-2147483649, var_1_13=-10, var_1_14=64, var_1_15=126, var_1_16=0, var_1_17=1, var_1_18=-8, var_1_19=4, var_1_1=4999996/5, var_1_9=4] [L83] var_1_17 = __VERIFIER_nondet_char() [L84] CALL assume_abort_if_not(var_1_17 >= -63) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=2147483590, var_1_12=-2147483649, var_1_13=-10, var_1_14=64, var_1_15=126, var_1_16=0, var_1_17=-63, var_1_18=-8, var_1_19=4, var_1_1=4999996/5, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=2147483590, var_1_12=-2147483649, var_1_13=-10, var_1_14=64, var_1_15=126, var_1_16=0, var_1_17=-63, var_1_18=-8, var_1_19=4, var_1_1=4999996/5, var_1_9=4] [L84] RET assume_abort_if_not(var_1_17 >= -63) VAL [isInitial=1, var_1_10=1, var_1_11=2147483590, var_1_12=-2147483649, var_1_13=-10, var_1_14=64, var_1_15=126, var_1_16=0, var_1_17=-63, var_1_18=-8, var_1_19=4, var_1_1=4999996/5, var_1_9=4] [L85] CALL assume_abort_if_not(var_1_17 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=2147483590, var_1_12=-2147483649, var_1_13=-10, var_1_14=64, var_1_15=126, var_1_16=0, var_1_17=-63, var_1_18=-8, var_1_19=4, var_1_1=4999996/5, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=2147483590, var_1_12=-2147483649, var_1_13=-10, var_1_14=64, var_1_15=126, var_1_16=0, var_1_17=-63, var_1_18=-8, var_1_19=4, var_1_1=4999996/5, var_1_9=4] [L85] RET assume_abort_if_not(var_1_17 <= 63) VAL [isInitial=1, var_1_10=1, var_1_11=2147483590, var_1_12=-2147483649, var_1_13=-10, var_1_14=64, var_1_15=126, var_1_16=0, var_1_17=-63, var_1_18=-8, var_1_19=4, var_1_1=4999996/5, var_1_9=4] [L86] var_1_18 = __VERIFIER_nondet_char() [L87] CALL assume_abort_if_not(var_1_18 >= -63) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=2147483590, var_1_12=-2147483649, var_1_13=-10, var_1_14=64, var_1_15=126, var_1_16=0, var_1_17=-63, var_1_18=62, var_1_19=4, var_1_1=4999996/5, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=2147483590, var_1_12=-2147483649, var_1_13=-10, var_1_14=64, var_1_15=126, var_1_16=0, var_1_17=-63, var_1_18=62, var_1_19=4, var_1_1=4999996/5, var_1_9=4] [L87] RET assume_abort_if_not(var_1_18 >= -63) VAL [isInitial=1, var_1_10=1, var_1_11=2147483590, var_1_12=-2147483649, var_1_13=-10, var_1_14=64, var_1_15=126, var_1_16=0, var_1_17=-63, var_1_18=62, var_1_19=4, var_1_1=4999996/5, var_1_9=4] [L88] CALL assume_abort_if_not(var_1_18 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=2147483590, var_1_12=-2147483649, var_1_13=-10, var_1_14=64, var_1_15=126, var_1_16=0, var_1_17=-63, var_1_18=62, var_1_19=4, var_1_1=4999996/5, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=2147483590, var_1_12=-2147483649, var_1_13=-10, var_1_14=64, var_1_15=126, var_1_16=0, var_1_17=-63, var_1_18=62, var_1_19=4, var_1_1=4999996/5, var_1_9=4] [L88] RET assume_abort_if_not(var_1_18 <= 63) VAL [isInitial=1, var_1_10=1, var_1_11=2147483590, var_1_12=-2147483649, var_1_13=-10, var_1_14=64, var_1_15=126, var_1_16=0, var_1_17=-63, var_1_18=62, var_1_19=4, var_1_1=4999996/5, var_1_9=4] [L101] RET updateVariables() [L102] CALL step() [L40] COND TRUE \read(var_1_10) [L41] var_1_9 = ((var_1_11 + var_1_12) - 5u) VAL [isInitial=1, var_1_10=1, var_1_11=2147483590, var_1_12=-2147483649, var_1_13=-10, var_1_14=64, var_1_15=126, var_1_16=0, var_1_17=-63, var_1_18=62, var_1_19=4, var_1_1=4999996/5, var_1_9=-64] [L43] var_1_19 = var_1_16 [L44] unsigned long int stepLocal_0 = ((((var_1_19 + var_1_9)) < (var_1_9)) ? ((var_1_19 + var_1_9)) : (var_1_9)); VAL [isInitial=1, stepLocal_0=-64, var_1_10=1, var_1_11=2147483590, var_1_12=-2147483649, var_1_13=-10, var_1_14=64, var_1_15=126, var_1_16=0, var_1_17=-63, var_1_18=62, var_1_19=0, var_1_1=4999996/5, var_1_9=-64] [L45] COND TRUE \read(var_1_10) [L46] var_1_13 = (var_1_14 - ((((((((var_1_15) < (var_1_16)) ? (var_1_15) : (var_1_16)))) < (50)) ? (((((var_1_15) < (var_1_16)) ? (var_1_15) : (var_1_16)))) : (50)))) VAL [isInitial=1, stepLocal_0=-64, var_1_10=1, var_1_11=2147483590, var_1_12=-2147483649, var_1_13=64, var_1_14=64, var_1_15=126, var_1_16=0, var_1_17=-63, var_1_18=62, var_1_19=0, var_1_1=4999996/5, var_1_9=-64] [L52] COND FALSE !((var_1_9 / 32) < (((((var_1_13 + var_1_9)) < (var_1_19)) ? ((var_1_13 + var_1_9)) : (var_1_19)))) [L55] var_1_1 = var_1_6 VAL [isInitial=1, stepLocal_0=-64, var_1_10=1, var_1_11=2147483590, var_1_12=-2147483649, var_1_13=64, var_1_14=64, var_1_15=126, var_1_16=0, var_1_17=-63, var_1_18=62, var_1_19=0, var_1_1=2147483595, var_1_6=2147483595, var_1_9=-64] [L102] RET step() [L103] CALL, EXPR property() [L93-L94] return (((((var_1_9 / 32) < (((((var_1_13 + var_1_9)) < (var_1_19)) ? ((var_1_13 + var_1_9)) : (var_1_19)))) ? (var_1_1 == ((double) ((var_1_6 - var_1_7) - var_1_8))) : (var_1_1 == ((double) var_1_6))) && (var_1_10 ? (var_1_9 == ((unsigned long int) ((var_1_11 + var_1_12) - 5u))) : 1)) && (var_1_10 ? (var_1_13 == ((signed char) (var_1_14 - ((((((((var_1_15) < (var_1_16)) ? (var_1_15) : (var_1_16)))) < (50)) ? (((((var_1_15) < (var_1_16)) ? (var_1_15) : (var_1_16)))) : (50)))))) : ((var_1_12 < (((((var_1_19 + var_1_9)) < (var_1_9)) ? ((var_1_19 + var_1_9)) : (var_1_9)))) ? (var_1_13 == ((signed char) (var_1_17 + var_1_18))) : 1))) && (var_1_19 == ((unsigned char) var_1_16)) ; [L103] RET, EXPR property() [L103] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=1, var_1_11=2147483590, var_1_12=-2147483649, var_1_13=64, var_1_14=64, var_1_15=126, var_1_16=0, var_1_17=-63, var_1_18=62, var_1_19=0, var_1_1=2147483595, var_1_6=2147483595, var_1_9=-64] [L19] reach_error() VAL [isInitial=1, var_1_10=1, var_1_11=2147483590, var_1_12=-2147483649, var_1_13=64, var_1_14=64, var_1_15=126, var_1_16=0, var_1_17=-63, var_1_18=62, var_1_19=0, var_1_1=2147483595, var_1_6=2147483595, var_1_9=-64] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 48 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 36.3s, OverallIterations: 2, TraceHistogramMax: 19, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 21.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 3 mSolverCounterUnknown, 527 SdHoareTripleChecker+Valid, 16.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 525 mSDsluCounter, 417 SdHoareTripleChecker+Invalid, 16.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 345 mSDsCounter, 378 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1023 IncrementalHoareTripleChecker+Invalid, 1404 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 378 mSolverCounterUnsat, 72 mSDtfsCounter, 1023 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 341 GetRequests, 242 SyntacticMatches, 2 SemanticMatches, 97 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2486 ImplicationChecksByTransitivity, 8.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=165occurred in iteration=1, InterpolantAutomatonStates: 67, 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, 34 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 12.9s InterpolantComputationTime, 345 NumberOfCodeBlocks, 345 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 342 ConstructedInterpolants, 3 QuantifiedInterpolants, 4880 SizeOfPredicates, 11 NumberOfNonLiveVariables, 259 ConjunctsInSsa, 50 ConjunctsInUnsatCore, 3 InterpolantComputations, 0 PerfectInterpolantSequences, 1635/2052 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 12:36:24,452 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-45.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 455884604d970c74ae4cae493229d55b9a2777270ff79ffb99fa854ba6e89348 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 12:36:26,563 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 12:36:26,647 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-10-11 12:36:26,654 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 12:36:26,654 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 12:36:26,692 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 12:36:26,692 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 12:36:26,693 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 12:36:26,694 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 12:36:26,694 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 12:36:26,694 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 12:36:26,695 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 12:36:26,695 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 12:36:26,696 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 12:36:26,696 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 12:36:26,697 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 12:36:26,697 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 12:36:26,699 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 12:36:26,699 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 12:36:26,700 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 12:36:26,700 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 12:36:26,703 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 12:36:26,703 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 12:36:26,703 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-11 12:36:26,704 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-11 12:36:26,704 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 12:36:26,704 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-11 12:36:26,704 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 12:36:26,704 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 12:36:26,705 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 12:36:26,705 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 12:36:26,705 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 12:36:26,705 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 12:36:26,705 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 12:36:26,706 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 12:36:26,706 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 12:36:26,708 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 12:36:26,709 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 12:36:26,709 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-11 12:36:26,709 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-10-11 12:36:26,709 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 12:36:26,710 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 12:36:26,710 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 12:36:26,710 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 12:36:26,711 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-11 12:36:26,711 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 455884604d970c74ae4cae493229d55b9a2777270ff79ffb99fa854ba6e89348 [2024-10-11 12:36:27,027 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 12:36:27,052 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 12:36:27,056 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 12:36:27,057 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 12:36:27,057 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 12:36:27,059 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-45.i [2024-10-11 12:36:28,635 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 12:36:28,854 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 12:36:28,855 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-45.i [2024-10-11 12:36:28,868 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/0834093f1/4b3064cb08b3446da9521f942abf5025/FLAG96e3403e9 [2024-10-11 12:36:29,209 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/0834093f1/4b3064cb08b3446da9521f942abf5025 [2024-10-11 12:36:29,212 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 12:36:29,214 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 12:36:29,217 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 12:36:29,218 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 12:36:29,223 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 12:36:29,224 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:36:29" (1/1) ... [2024-10-11 12:36:29,225 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c450537 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:36:29, skipping insertion in model container [2024-10-11 12:36:29,227 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:36:29" (1/1) ... [2024-10-11 12:36:29,251 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 12:36:29,428 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-45.i[915,928] [2024-10-11 12:36:29,491 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 12:36:29,511 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 12:36:29,528 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-45.i[915,928] [2024-10-11 12:36:29,560 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 12:36:29,601 INFO L204 MainTranslator]: Completed translation [2024-10-11 12:36:29,602 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:36:29 WrapperNode [2024-10-11 12:36:29,602 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 12:36:29,603 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 12:36:29,603 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 12:36:29,603 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 12:36:29,610 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:36:29" (1/1) ... [2024-10-11 12:36:29,621 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:36:29" (1/1) ... [2024-10-11 12:36:29,651 INFO L138 Inliner]: procedures = 27, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 112 [2024-10-11 12:36:29,651 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 12:36:29,652 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 12:36:29,652 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 12:36:29,653 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 12:36:29,666 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:36:29" (1/1) ... [2024-10-11 12:36:29,666 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:36:29" (1/1) ... [2024-10-11 12:36:29,670 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:36:29" (1/1) ... [2024-10-11 12:36:29,699 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 12:36:29,699 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:36:29" (1/1) ... [2024-10-11 12:36:29,700 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:36:29" (1/1) ... [2024-10-11 12:36:29,710 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:36:29" (1/1) ... [2024-10-11 12:36:29,716 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:36:29" (1/1) ... [2024-10-11 12:36:29,722 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:36:29" (1/1) ... [2024-10-11 12:36:29,724 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:36:29" (1/1) ... [2024-10-11 12:36:29,729 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 12:36:29,730 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 12:36:29,730 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 12:36:29,730 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 12:36:29,731 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:36:29" (1/1) ... [2024-10-11 12:36:29,739 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 12:36:29,752 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 12:36:29,765 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 12:36:29,768 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 12:36:29,805 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 12:36:29,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-10-11 12:36:29,805 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-11 12:36:29,805 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-11 12:36:29,805 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 12:36:29,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 12:36:29,876 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 12:36:29,879 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 12:36:31,299 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-10-11 12:36:31,300 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 12:36:31,375 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 12:36:31,377 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-11 12:36:31,378 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:36:31 BoogieIcfgContainer [2024-10-11 12:36:31,378 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 12:36:31,381 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 12:36:31,382 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 12:36:31,385 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 12:36:31,386 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 12:36:29" (1/3) ... [2024-10-11 12:36:31,387 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b3a493a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:36:31, skipping insertion in model container [2024-10-11 12:36:31,387 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:36:29" (2/3) ... [2024-10-11 12:36:31,388 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b3a493a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:36:31, skipping insertion in model container [2024-10-11 12:36:31,389 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:36:31" (3/3) ... [2024-10-11 12:36:31,390 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount25_file-45.i [2024-10-11 12:36:31,406 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 12:36:31,407 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-11 12:36:31,464 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 12:36:31,471 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;@1f684963, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 12:36:31,471 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-11 12:36:31,475 INFO L276 IsEmpty]: Start isEmpty. Operand has 48 states, 26 states have (on average 1.3461538461538463) internal successors, (35), 27 states have internal predecessors, (35), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-10-11 12:36:31,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-10-11 12:36:31,484 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 12:36:31,484 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:36:31,485 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 12:36:31,490 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 12:36:31,490 INFO L85 PathProgramCache]: Analyzing trace with hash -10547607, now seen corresponding path program 1 times [2024-10-11 12:36:31,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-11 12:36:31,506 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1731768441] [2024-10-11 12:36:31,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 12:36:31,507 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 12:36:31,507 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-11 12:36:31,510 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 12:36:31,512 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 12:36:31,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 12:36:31,912 INFO L255 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-10-11 12:36:31,933 INFO L278 TraceCheckSpWp]: Computing forward predicates...