/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --cacsl2boogietranslator.allow.undefined.functions true --traceabstraction.smt.solver External_ModelsAndUnsatCoreMode --traceabstraction.command.for.external.solver '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' -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-80.i -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-b75d321-m [2024-11-03 07:50:23,478 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-03 07:50:23,528 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-03 07:50:23,535 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-03 07:50:23,536 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-03 07:50:23,550 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-03 07:50:23,551 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-03 07:50:23,551 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-03 07:50:23,551 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-03 07:50:23,551 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-03 07:50:23,552 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-03 07:50:23,552 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-03 07:50:23,552 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-03 07:50:23,553 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-03 07:50:23,553 INFO L153 SettingsManager]: * Use SBE=true [2024-11-03 07:50:23,553 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-03 07:50:23,553 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-03 07:50:23,553 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-03 07:50:23,554 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-03 07:50:23,554 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-03 07:50:23,554 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-03 07:50:23,559 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-03 07:50:23,559 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-03 07:50:23,559 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-03 07:50:23,559 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-03 07:50:23,559 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-03 07:50:23,560 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-03 07:50:23,560 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-03 07:50:23,560 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-03 07:50:23,560 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-03 07:50:23,560 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-03 07:50:23,561 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-03 07:50:23,561 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-03 07:50:23,561 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-03 07:50:23,561 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-03 07:50:23,561 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-03 07:50:23,562 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-03 07:50:23,562 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-03 07:50:23,562 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-03 07:50:23,562 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-03 07:50:23,562 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-03 07:50:23,562 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-03 07:50:23,563 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-03 07:50:23,563 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-03 07:50:23,563 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-03 07:50:23,754 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-03 07:50:23,778 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-03 07:50:23,780 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-03 07:50:23,781 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-03 07:50:23,782 INFO L274 PluginConnector]: CDTParser initialized [2024-11-03 07:50:23,784 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-80.i [2024-11-03 07:50:25,038 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-03 07:50:25,207 INFO L384 CDTParser]: Found 1 translation units. [2024-11-03 07:50:25,208 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-80.i [2024-11-03 07:50:25,218 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b275d95c5/8aacc48aca2b471587c4a1710bfb4d06/FLAGb5c007194 [2024-11-03 07:50:25,594 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b275d95c5/8aacc48aca2b471587c4a1710bfb4d06 [2024-11-03 07:50:25,596 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-03 07:50:25,597 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-03 07:50:25,598 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-03 07:50:25,598 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-03 07:50:25,603 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-03 07:50:25,603 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 07:50:25" (1/1) ... [2024-11-03 07:50:25,604 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@858e763 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 07:50:25, skipping insertion in model container [2024-11-03 07:50:25,604 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 07:50:25" (1/1) ... [2024-11-03 07:50:25,622 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-03 07:50:25,737 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-80.i[916,929] [2024-11-03 07:50:25,775 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-03 07:50:25,786 INFO L200 MainTranslator]: Completed pre-run [2024-11-03 07:50:25,795 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-80.i[916,929] [2024-11-03 07:50:25,813 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-03 07:50:25,831 INFO L204 MainTranslator]: Completed translation [2024-11-03 07:50:25,832 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 07:50:25 WrapperNode [2024-11-03 07:50:25,832 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-03 07:50:25,835 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-03 07:50:25,835 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-03 07:50:25,835 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-03 07:50:25,841 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 07:50:25" (1/1) ... [2024-11-03 07:50:25,848 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 07:50:25" (1/1) ... [2024-11-03 07:50:25,871 INFO L138 Inliner]: procedures = 27, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 120 [2024-11-03 07:50:25,871 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-03 07:50:25,872 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-03 07:50:25,872 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-03 07:50:25,872 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-03 07:50:25,881 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 07:50:25" (1/1) ... [2024-11-03 07:50:25,882 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 07:50:25" (1/1) ... [2024-11-03 07:50:25,884 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 07:50:25" (1/1) ... [2024-11-03 07:50:25,897 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-03 07:50:25,901 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 07:50:25" (1/1) ... [2024-11-03 07:50:25,902 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 07:50:25" (1/1) ... [2024-11-03 07:50:25,908 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 07:50:25" (1/1) ... [2024-11-03 07:50:25,912 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 07:50:25" (1/1) ... [2024-11-03 07:50:25,913 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 07:50:25" (1/1) ... [2024-11-03 07:50:25,915 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 07:50:25" (1/1) ... [2024-11-03 07:50:25,918 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-03 07:50:25,919 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-03 07:50:25,919 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-03 07:50:25,919 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-03 07:50:25,920 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 07:50:25" (1/1) ... [2024-11-03 07:50:25,928 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-03 07:50:25,939 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-03 07:50:25,951 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-03 07:50:25,953 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-03 07:50:25,972 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-03 07:50:25,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-03 07:50:25,973 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-03 07:50:25,973 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-03 07:50:25,973 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-03 07:50:25,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-03 07:50:26,034 INFO L238 CfgBuilder]: Building ICFG [2024-11-03 07:50:26,036 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-03 07:50:30,095 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-03 07:50:30,096 INFO L287 CfgBuilder]: Performing block encoding [2024-11-03 07:50:30,106 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-03 07:50:30,107 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-03 07:50:30,107 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 07:50:30 BoogieIcfgContainer [2024-11-03 07:50:30,107 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-03 07:50:30,111 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-03 07:50:30,111 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-03 07:50:30,114 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-03 07:50:30,114 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 07:50:25" (1/3) ... [2024-11-03 07:50:30,115 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16bccdc7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 07:50:30, skipping insertion in model container [2024-11-03 07:50:30,115 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 07:50:25" (2/3) ... [2024-11-03 07:50:30,115 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16bccdc7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 07:50:30, skipping insertion in model container [2024-11-03 07:50:30,115 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 07:50:30" (3/3) ... [2024-11-03 07:50:30,116 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-80.i [2024-11-03 07:50:30,130 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-03 07:50:30,131 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-03 07:50:30,189 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-03 07:50:30,195 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;@5525e594, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-03 07:50:30,196 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-03 07:50:30,199 INFO L276 IsEmpty]: Start isEmpty. Operand has 57 states, 31 states have (on average 1.2580645161290323) internal successors, (39), 32 states have internal predecessors, (39), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-03 07:50:30,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-03 07:50:30,210 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 07:50:30,211 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 07:50:30,211 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 07:50:30,216 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 07:50:30,216 INFO L85 PathProgramCache]: Analyzing trace with hash 1288136678, now seen corresponding path program 1 times [2024-11-03 07:50:30,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 07:50:30,239 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1700335667] [2024-11-03 07:50:30,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 07:50:30,242 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-03 07:50:30,242 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-03 07:50:30,248 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-03 07:50:30,249 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-03 07:50:30,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-03 07:50:30,501 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-03 07:50:30,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-03 07:50:30,672 ERROR L246 FreeRefinementEngine]: Caught known exception: Invalid model [2024-11-03 07:50:30,672 WARN L124 FreeRefinementEngine]: Strategy FIXED_PREFERENCES was unsuccessful and could not determine trace feasibility [2024-11-03 07:50:30,674 INFO L325 BasicCegarLoop]: Counterexample might be feasible [2024-11-03 07:50:30,681 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-03 07:50:30,701 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-03 07:50:30,883 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-03 07:50:30,887 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-03 07:50:30,902 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-03 07:50:30,904 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.11 07:50:30 BoogieIcfgContainer [2024-11-03 07:50:30,904 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-03 07:50:30,905 INFO L158 Benchmark]: Toolchain (without parser) took 5307.86ms. Allocated memory is still 351.3MB. Free memory was 302.0MB in the beginning and 299.0MB in the end (delta: 3.0MB). Peak memory consumption was 4.6MB. Max. memory is 8.0GB. [2024-11-03 07:50:30,906 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 213.9MB. Free memory is still 164.5MB. There was no memory consumed. Max. memory is 8.0GB. [2024-11-03 07:50:30,906 INFO L158 Benchmark]: CACSL2BoogieTranslator took 235.62ms. Allocated memory is still 351.3MB. Free memory was 301.7MB in the beginning and 286.2MB in the end (delta: 15.4MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. [2024-11-03 07:50:30,906 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.87ms. Allocated memory is still 351.3MB. Free memory was 285.9MB in the beginning and 283.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-11-03 07:50:30,907 INFO L158 Benchmark]: Boogie Preprocessor took 45.55ms. Allocated memory is still 351.3MB. Free memory was 283.8MB in the beginning and 281.0MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-11-03 07:50:30,907 INFO L158 Benchmark]: RCFGBuilder took 4188.54ms. Allocated memory is still 351.3MB. Free memory was 280.7MB in the beginning and 263.9MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2024-11-03 07:50:30,907 INFO L158 Benchmark]: TraceAbstraction took 793.63ms. Allocated memory is still 351.3MB. Free memory was 263.3MB in the beginning and 299.0MB in the end (delta: -35.7MB). There was no memory consumed. Max. memory is 8.0GB. [2024-11-03 07:50:30,909 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 213.9MB. Free memory is still 164.5MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 235.62ms. Allocated memory is still 351.3MB. Free memory was 301.7MB in the beginning and 286.2MB in the end (delta: 15.4MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 36.87ms. Allocated memory is still 351.3MB. Free memory was 285.9MB in the beginning and 283.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 45.55ms. Allocated memory is still 351.3MB. Free memory was 283.8MB in the beginning and 281.0MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 4188.54ms. Allocated memory is still 351.3MB. Free memory was 280.7MB in the beginning and 263.9MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * TraceAbstraction took 793.63ms. Allocated memory is still 351.3MB. Free memory was 263.3MB in the beginning and 299.0MB in the end (delta: -35.7MB). There was no memory consumed. Max. memory is 8.0GB. * 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: unable to decide satisfiability of path constraint. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = 256; [L23] signed long int var_1_8 = 128; [L24] signed short int var_1_9 = -1; [L25] signed short int var_1_10 = 1; [L26] signed char var_1_12 = 0; [L27] unsigned char var_1_13 = 1; [L28] signed char var_1_14 = 2; [L29] signed long int var_1_15 = 1; [L30] signed long int var_1_16 = 25; [L31] signed long int var_1_17 = 5; [L32] signed long int var_1_18 = 4; [L33] signed long int var_1_19 = 500; [L34] signed long int var_1_20 = 127; [L35] signed long int var_1_21 = 1; [L36] signed long int var_1_22 = 99; [L37] unsigned short int var_1_23 = 4; [L38] signed char var_1_24 = -64; [L104] isInitial = 1 [L105] FCALL initially() [L106] COND TRUE 1 [L107] FCALL updateLastVariables() [L108] CALL updateVariables() [L62] var_1_8 = __VERIFIER_nondet_long() [L63] CALL assume_abort_if_not(var_1_8 >= -2147483648) [L20] COND FALSE !(!cond) [L63] RET assume_abort_if_not(var_1_8 >= -2147483648) [L64] CALL assume_abort_if_not(var_1_8 <= 2147483647) [L20] COND FALSE !(!cond) [L64] RET assume_abort_if_not(var_1_8 <= 2147483647) [L65] CALL assume_abort_if_not(var_1_8 != 0) [L20] COND FALSE !(!cond) [L65] RET assume_abort_if_not(var_1_8 != 0) [L66] var_1_9 = __VERIFIER_nondet_short() [L67] CALL assume_abort_if_not(var_1_9 >= -1) [L20] COND FALSE !(!cond) [L67] RET assume_abort_if_not(var_1_9 >= -1) [L68] CALL assume_abort_if_not(var_1_9 <= 32766) [L20] COND FALSE !(!cond) [L68] RET assume_abort_if_not(var_1_9 <= 32766) [L69] var_1_10 = __VERIFIER_nondet_short() [L70] CALL assume_abort_if_not(var_1_10 >= 0) [L20] COND FALSE !(!cond) [L70] RET assume_abort_if_not(var_1_10 >= 0) [L71] CALL assume_abort_if_not(var_1_10 <= 32766) [L20] COND FALSE !(!cond) [L71] RET assume_abort_if_not(var_1_10 <= 32766) [L72] var_1_13 = __VERIFIER_nondet_uchar() [L73] CALL assume_abort_if_not(var_1_13 >= 0) [L20] COND FALSE !(!cond) [L73] RET assume_abort_if_not(var_1_13 >= 0) [L74] CALL assume_abort_if_not(var_1_13 <= 1) [L20] COND FALSE !(!cond) [L74] RET assume_abort_if_not(var_1_13 <= 1) [L75] var_1_14 = __VERIFIER_nondet_char() [L76] CALL assume_abort_if_not(var_1_14 >= 0) [L20] COND FALSE !(!cond) [L76] RET assume_abort_if_not(var_1_14 >= 0) [L77] CALL assume_abort_if_not(var_1_14 <= 126) [L20] COND FALSE !(!cond) [L77] RET assume_abort_if_not(var_1_14 <= 126) [L78] var_1_16 = __VERIFIER_nondet_long() [L79] CALL assume_abort_if_not(var_1_16 >= -2147483648) [L20] COND FALSE !(!cond) [L79] RET assume_abort_if_not(var_1_16 >= -2147483648) [L80] CALL assume_abort_if_not(var_1_16 <= 2147483647) [L20] COND FALSE !(!cond) [L80] RET assume_abort_if_not(var_1_16 <= 2147483647) [L81] var_1_17 = __VERIFIER_nondet_long() [L82] CALL assume_abort_if_not(var_1_17 >= -2147483648) [L20] COND FALSE !(!cond) [L82] RET assume_abort_if_not(var_1_17 >= -2147483648) [L83] CALL assume_abort_if_not(var_1_17 <= 2147483647) [L20] COND FALSE !(!cond) [L83] RET assume_abort_if_not(var_1_17 <= 2147483647) [L84] var_1_18 = __VERIFIER_nondet_long() [L85] CALL assume_abort_if_not(var_1_18 >= -2147483648) [L20] COND FALSE !(!cond) [L85] RET assume_abort_if_not(var_1_18 >= -2147483648) [L86] CALL assume_abort_if_not(var_1_18 <= 2147483647) [L20] COND FALSE !(!cond) [L86] RET assume_abort_if_not(var_1_18 <= 2147483647) [L87] var_1_19 = __VERIFIER_nondet_long() [L88] CALL assume_abort_if_not(var_1_19 >= -2147483648) [L20] COND FALSE !(!cond) [L88] RET assume_abort_if_not(var_1_19 >= -2147483648) [L89] CALL assume_abort_if_not(var_1_19 <= 2147483647) [L20] COND FALSE !(!cond) [L89] RET assume_abort_if_not(var_1_19 <= 2147483647) [L90] var_1_20 = __VERIFIER_nondet_long() [L91] CALL assume_abort_if_not(var_1_20 >= 0) [L20] COND FALSE !(!cond) [L91] RET assume_abort_if_not(var_1_20 >= 0) [L92] CALL assume_abort_if_not(var_1_20 <= 2147483647) [L20] COND FALSE !(!cond) [L92] RET assume_abort_if_not(var_1_20 <= 2147483647) [L93] var_1_21 = __VERIFIER_nondet_long() [L94] CALL assume_abort_if_not(var_1_21 >= 0) [L20] COND FALSE !(!cond) [L94] RET assume_abort_if_not(var_1_21 >= 0) [L95] CALL assume_abort_if_not(var_1_21 <= 2147483647) [L20] COND FALSE !(!cond) [L95] RET assume_abort_if_not(var_1_21 <= 2147483647) [L108] RET updateVariables() [L109] CALL step() [L42] var_1_22 = var_1_19 [L43] var_1_23 = var_1_10 [L44] var_1_24 = var_1_14 [L45] unsigned char stepLocal_0 = var_1_23 <= var_1_24; [L46] COND TRUE var_1_13 || stepLocal_0 [L47] var_1_12 = ((((1 - var_1_14) < 0 ) ? -(1 - var_1_14) : (1 - var_1_14))) [L51] signed short int stepLocal_1 = var_1_10; [L52] COND TRUE stepLocal_1 <= (var_1_23 / var_1_8) [L53] var_1_15 = ((((((((((((var_1_16) < (var_1_17)) ? (var_1_16) : (var_1_17)))) > (var_1_18)) ? (((((var_1_16) < (var_1_17)) ? (var_1_16) : (var_1_17)))) : (var_1_18)))) < (((((3.6) > (var_1_19)) ? (3.6) : (var_1_19))))) ? (((((((((var_1_16) < (var_1_17)) ? (var_1_16) : (var_1_17)))) > (var_1_18)) ? (((((var_1_16) < (var_1_17)) ? (var_1_16) : (var_1_17)))) : (var_1_18)))) : (((((3.6) > (var_1_19)) ? (3.6) : (var_1_19)))))) [L57] COND TRUE (((((var_1_23 - var_1_23)) > (var_1_12)) ? ((var_1_23 - var_1_23)) : (var_1_12))) <= (((((var_1_23 - var_1_23)) < ((var_1_24 % var_1_8))) ? ((var_1_23 - var_1_23)) : ((var_1_24 % var_1_8)))) [L58] var_1_1 = (((((var_1_9 - var_1_10)) < (var_1_12)) ? ((var_1_9 - var_1_10)) : (var_1_12))) [L109] RET step() [L110] CALL, EXPR property() [L100-L101] return (((((((((((var_1_23 - var_1_23)) > (var_1_12)) ? ((var_1_23 - var_1_23)) : (var_1_12))) <= (((((var_1_23 - var_1_23)) < ((var_1_24 % var_1_8))) ? ((var_1_23 - var_1_23)) : ((var_1_24 % var_1_8))))) ? (var_1_1 == ((signed short int) (((((var_1_9 - var_1_10)) < (var_1_12)) ? ((var_1_9 - var_1_10)) : (var_1_12))))) : 1) && ((var_1_13 || (var_1_23 <= var_1_24)) ? (var_1_12 == ((signed char) ((((1 - var_1_14) < 0 ) ? -(1 - var_1_14) : (1 - var_1_14))))) : (var_1_12 == ((signed char) var_1_14)))) && ((var_1_10 <= (var_1_23 / var_1_8)) ? (var_1_15 == ((signed long int) ((((((((((((var_1_16) < (var_1_17)) ? (var_1_16) : (var_1_17)))) > (var_1_18)) ? (((((var_1_16) < (var_1_17)) ? (var_1_16) : (var_1_17)))) : (var_1_18)))) < (((((3.6) > (var_1_19)) ? (3.6) : (var_1_19))))) ? (((((((((var_1_16) < (var_1_17)) ? (var_1_16) : (var_1_17)))) > (var_1_18)) ? (((((var_1_16) < (var_1_17)) ? (var_1_16) : (var_1_17)))) : (var_1_18)))) : (((((3.6) > (var_1_19)) ? (3.6) : (var_1_19)))))))) : (var_1_15 == ((signed long int) (var_1_20 - var_1_21))))) && (var_1_22 == ((signed long int) var_1_19))) && (var_1_23 == ((unsigned short int) var_1_10))) && (var_1_24 == ((signed char) var_1_14)) ; [L110] RET, EXPR property() [L110] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) [L19] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 57 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 1, TraceHistogramMax: 23, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=57occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 139 NumberOfCodeBlocks, 139 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-03 07:50:30,955 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...