/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.gear.1.prop1-func-interl.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-16 21:50:33,414 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-16 21:50:33,482 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf [2023-12-16 21:50:33,487 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-16 21:50:33,487 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-16 21:50:33,512 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-16 21:50:33,512 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-16 21:50:33,513 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-16 21:50:33,513 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-16 21:50:33,513 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-16 21:50:33,514 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-16 21:50:33,514 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-16 21:50:33,514 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-16 21:50:33,514 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-16 21:50:33,515 INFO L153 SettingsManager]: * Use SBE=true [2023-12-16 21:50:33,515 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-16 21:50:33,515 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-16 21:50:33,515 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-16 21:50:33,516 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-16 21:50:33,516 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-16 21:50:33,516 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-16 21:50:33,519 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-16 21:50:33,519 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-16 21:50:33,519 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-16 21:50:33,522 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-16 21:50:33,522 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-16 21:50:33,522 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-16 21:50:33,523 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-16 21:50:33,524 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-16 21:50:33,524 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-16 21:50:33,525 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-16 21:50:33,525 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 21:50:33,525 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-16 21:50:33,525 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-16 21:50:33,525 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-16 21:50:33,525 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-16 21:50:33,525 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-16 21:50:33,525 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-16 21:50:33,526 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-16 21:50:33,526 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-16 21:50:33,526 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-16 21:50:33,526 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-16 21:50:33,526 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-16 21:50:33,526 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-16 21:50:33,706 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-16 21:50:33,718 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-16 21:50:33,719 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-16 21:50:33,720 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-16 21:50:33,720 INFO L274 PluginConnector]: CDTParser initialized [2023-12-16 21:50:33,721 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.gear.1.prop1-func-interl.c [2023-12-16 21:50:34,811 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-16 21:50:35,111 INFO L384 CDTParser]: Found 1 translation units. [2023-12-16 21:50:35,112 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.gear.1.prop1-func-interl.c [2023-12-16 21:50:35,134 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3ddd4f805/71c0fa6990914a0d98a596f5771cdc60/FLAG29edef178 [2023-12-16 21:50:35,147 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3ddd4f805/71c0fa6990914a0d98a596f5771cdc60 [2023-12-16 21:50:35,149 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-16 21:50:35,151 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-16 21:50:35,153 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-16 21:50:35,153 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-16 21:50:35,157 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-16 21:50:35,157 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 09:50:35" (1/1) ... [2023-12-16 21:50:35,158 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58e12020 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:50:35, skipping insertion in model container [2023-12-16 21:50:35,158 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 09:50:35" (1/1) ... [2023-12-16 21:50:35,219 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-16 21:50:35,379 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.gear.1.prop1-func-interl.c[1171,1184] [2023-12-16 21:50:35,687 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 21:50:35,697 INFO L202 MainTranslator]: Completed pre-run [2023-12-16 21:50:35,705 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.gear.1.prop1-func-interl.c[1171,1184] [2023-12-16 21:50:35,833 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 21:50:35,845 INFO L206 MainTranslator]: Completed translation [2023-12-16 21:50:35,846 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:50:35 WrapperNode [2023-12-16 21:50:35,846 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-16 21:50:35,847 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-16 21:50:35,847 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-16 21:50:35,847 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-16 21:50:35,851 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:50:35" (1/1) ... [2023-12-16 21:50:35,897 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:50:35" (1/1) ... [2023-12-16 21:50:35,995 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3647 [2023-12-16 21:50:35,996 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-16 21:50:35,996 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-16 21:50:35,996 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-16 21:50:35,997 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-16 21:50:36,005 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:50:35" (1/1) ... [2023-12-16 21:50:36,005 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:50:35" (1/1) ... [2023-12-16 21:50:36,085 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:50:35" (1/1) ... [2023-12-16 21:50:36,145 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]. [2023-12-16 21:50:36,145 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:50:35" (1/1) ... [2023-12-16 21:50:36,145 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:50:35" (1/1) ... [2023-12-16 21:50:36,224 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:50:35" (1/1) ... [2023-12-16 21:50:36,236 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:50:35" (1/1) ... [2023-12-16 21:50:36,247 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:50:35" (1/1) ... [2023-12-16 21:50:36,258 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:50:35" (1/1) ... [2023-12-16 21:50:36,275 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-16 21:50:36,277 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-16 21:50:36,277 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-16 21:50:36,277 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-16 21:50:36,278 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:50:35" (1/1) ... [2023-12-16 21:50:36,282 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 21:50:36,289 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 21:50:36,329 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) [2023-12-16 21:50:36,362 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 [2023-12-16 21:50:36,378 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-16 21:50:36,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-16 21:50:36,378 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-16 21:50:36,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-16 21:50:36,769 INFO L241 CfgBuilder]: Building ICFG [2023-12-16 21:50:36,770 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-16 21:50:41,034 INFO L282 CfgBuilder]: Performing block encoding [2023-12-16 21:50:41,137 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-16 21:50:41,137 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-16 21:50:41,137 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 09:50:41 BoogieIcfgContainer [2023-12-16 21:50:41,138 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-16 21:50:41,139 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-16 21:50:41,139 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-16 21:50:41,141 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-16 21:50:41,141 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 09:50:35" (1/3) ... [2023-12-16 21:50:41,142 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d64b9fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 09:50:41, skipping insertion in model container [2023-12-16 21:50:41,142 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:50:35" (2/3) ... [2023-12-16 21:50:41,142 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d64b9fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 09:50:41, skipping insertion in model container [2023-12-16 21:50:41,142 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 09:50:41" (3/3) ... [2023-12-16 21:50:41,143 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.gear.1.prop1-func-interl.c [2023-12-16 21:50:41,155 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-16 21:50:41,155 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-16 21:50:41,191 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-16 21:50:41,195 INFO L357 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, mHoare=true, 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;@4b84cc74, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-16 21:50:41,195 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-16 21:50:41,198 INFO L276 IsEmpty]: Start isEmpty. Operand has 8 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 21:50:41,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-16 21:50:41,201 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 21:50:41,202 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2023-12-16 21:50:41,202 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 21:50:41,205 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 21:50:41,205 INFO L85 PathProgramCache]: Analyzing trace with hash 1827279, now seen corresponding path program 1 times [2023-12-16 21:50:41,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 21:50:41,213 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1630726661] [2023-12-16 21:50:41,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 21:50:41,214 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 [2023-12-16 21:50:41,214 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 21:50:41,216 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) [2023-12-16 21:50:41,262 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 [2023-12-16 21:50:41,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 21:50:41,768 INFO L262 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 21 conjunts are in the unsatisfiable core [2023-12-16 21:50:41,778 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 21:50:42,000 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 21:50:42,000 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 21:50:42,001 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 21:50:42,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1630726661] [2023-12-16 21:50:42,001 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1630726661] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 21:50:42,001 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 21:50:42,001 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 21:50:42,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1628921949] [2023-12-16 21:50:42,003 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 21:50:42,006 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-16 21:50:42,006 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 21:50:42,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-16 21:50:42,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-16 21:50:42,024 INFO L87 Difference]: Start difference. First operand has 8 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 21:50:42,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 21:50:42,777 INFO L93 Difference]: Finished difference Result 16 states and 24 transitions. [2023-12-16 21:50:42,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-16 21:50:42,779 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2023-12-16 21:50:42,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 21:50:42,784 INFO L225 Difference]: With dead ends: 16 [2023-12-16 21:50:42,784 INFO L226 Difference]: Without dead ends: 9 [2023-12-16 21:50:42,785 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-16 21:50:42,787 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 3 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-16 21:50:42,788 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 6 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-16 21:50:42,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2023-12-16 21:50:42,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 8. [2023-12-16 21:50:42,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 21:50:42,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2023-12-16 21:50:42,806 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 8 transitions. Word has length 4 [2023-12-16 21:50:42,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 21:50:42,806 INFO L495 AbstractCegarLoop]: Abstraction has 8 states and 8 transitions. [2023-12-16 21:50:42,806 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 21:50:42,807 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2023-12-16 21:50:42,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-16 21:50:42,807 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 21:50:42,807 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1] [2023-12-16 21:50:42,811 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 [2023-12-16 21:50:43,011 WARN L477 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 [2023-12-16 21:50:43,012 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 21:50:43,012 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 21:50:43,012 INFO L85 PathProgramCache]: Analyzing trace with hash -1393329571, now seen corresponding path program 1 times [2023-12-16 21:50:43,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 21:50:43,016 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1514553757] [2023-12-16 21:50:43,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 21:50:43,016 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 [2023-12-16 21:50:43,016 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 21:50:43,017 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-16 21:50:43,019 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-12-16 21:50:46,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 21:50:46,689 INFO L262 TraceCheckSpWp]: Trace formula consists of 3122 conjuncts, 65 conjunts are in the unsatisfiable core [2023-12-16 21:50:46,705 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 21:50:47,738 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 21:50:47,739 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-16 21:51:01,073 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 21:51:01,073 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 21:51:01,073 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1514553757] [2023-12-16 21:51:01,073 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1514553757] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-16 21:51:01,073 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-16 21:51:01,074 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2023-12-16 21:51:01,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [690954317] [2023-12-16 21:51:01,074 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-16 21:51:01,075 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-12-16 21:51:01,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 21:51:01,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-12-16 21:51:01,076 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=62, Unknown=2, NotChecked=0, Total=90 [2023-12-16 21:51:01,076 INFO L87 Difference]: Start difference. First operand 8 states and 8 transitions. Second operand has 10 states, 10 states have (on average 1.3) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 21:51:08,451 WARN L854 $PredicateComparison]: unable to prove that (and (or (let ((.cse4 (bvnot |c_ULTIMATE.start_main_~mask_SORT_6~0#1|)) (.cse3 (bvnot (bvlshr |c_ULTIMATE.start_main_~mask_SORT_6~0#1| |c_ULTIMATE.start_main_~var_129~0#1|))) (.cse12 (= (_ bv0 8) |c_ULTIMATE.start_main_~input_241~0#1|))) (let ((.cse6 (= (_ bv0 8) |c_ULTIMATE.start_main_~input_242~0#1|)) (.cse1 (not .cse12)) (.cse0 (or (and (forall ((|v_ULTIMATE.start_main_~var_309_arg_1~0#1_13| (_ BitVec 16)) (|v_ULTIMATE.start_main_~var_128_arg_1~0#1_13| (_ BitVec 16))) (let ((.cse10 (bvor ((_ zero_extend 16) |v_ULTIMATE.start_main_~var_128_arg_1~0#1_13|) (bvshl ((_ zero_extend 16) ((_ extract 15 0) ((_ zero_extend 16) |v_ULTIMATE.start_main_~var_309_arg_1~0#1_13|))) (_ bv16 32))))) (or (= (bvand .cse10 |c_ULTIMATE.start_main_~msb_SORT_6~0#1|) (_ bv0 32)) (not (= (bvand (bvor (bvashr (bvor .cse10 .cse4) |c_ULTIMATE.start_main_~var_129~0#1|) .cse3) |c_ULTIMATE.start_main_~mask_SORT_6~0#1|) |c_ULTIMATE.start_main_~var_126~0#1|))))) (forall ((|v_ULTIMATE.start_main_~var_309_arg_1~0#1_13| (_ BitVec 16)) (|v_ULTIMATE.start_main_~var_128_arg_1~0#1_13| (_ BitVec 16))) (let ((.cse11 (bvor ((_ zero_extend 16) |v_ULTIMATE.start_main_~var_128_arg_1~0#1_13|) (bvshl ((_ zero_extend 16) ((_ extract 15 0) ((_ zero_extend 16) |v_ULTIMATE.start_main_~var_309_arg_1~0#1_13|))) (_ bv16 32))))) (or (not (= (bvand .cse11 |c_ULTIMATE.start_main_~msb_SORT_6~0#1|) (_ bv0 32))) (not (= |c_ULTIMATE.start_main_~var_126~0#1| (bvand |c_ULTIMATE.start_main_~mask_SORT_6~0#1| (bvashr (bvand .cse11 |c_ULTIMATE.start_main_~mask_SORT_6~0#1|) |c_ULTIMATE.start_main_~var_129~0#1|)))))))) .cse12))) (and (or (and .cse0 (or .cse1 (and (forall ((|v_ULTIMATE.start_main_~var_308_arg_1~0#1_13| (_ BitVec 16)) (|v_ULTIMATE.start_main_~var_128_arg_1~0#1_13| (_ BitVec 16))) (let ((.cse2 (bvor (bvshl ((_ zero_extend 16) ((_ extract 15 0) ((_ zero_extend 16) ((_ extract 15 0) ((_ zero_extend 16) |v_ULTIMATE.start_main_~var_308_arg_1~0#1_13|))))) (_ bv16 32)) ((_ zero_extend 16) |v_ULTIMATE.start_main_~var_128_arg_1~0#1_13|)))) (or (= (bvand |c_ULTIMATE.start_main_~msb_SORT_6~0#1| .cse2) (_ bv0 32)) (not (= |c_ULTIMATE.start_main_~var_126~0#1| (bvand (bvor .cse3 (bvashr (bvor .cse4 .cse2) |c_ULTIMATE.start_main_~var_129~0#1|)) |c_ULTIMATE.start_main_~mask_SORT_6~0#1|)))))) (forall ((|v_ULTIMATE.start_main_~var_308_arg_1~0#1_13| (_ BitVec 16)) (|v_ULTIMATE.start_main_~var_128_arg_1~0#1_13| (_ BitVec 16))) (let ((.cse5 (bvor (bvshl ((_ zero_extend 16) ((_ extract 15 0) ((_ zero_extend 16) ((_ extract 15 0) ((_ zero_extend 16) |v_ULTIMATE.start_main_~var_308_arg_1~0#1_13|))))) (_ bv16 32)) ((_ zero_extend 16) |v_ULTIMATE.start_main_~var_128_arg_1~0#1_13|)))) (or (not (= |c_ULTIMATE.start_main_~var_126~0#1| (bvand (bvashr (bvand |c_ULTIMATE.start_main_~mask_SORT_6~0#1| .cse5) |c_ULTIMATE.start_main_~var_129~0#1|) |c_ULTIMATE.start_main_~mask_SORT_6~0#1|))) (not (= (bvand |c_ULTIMATE.start_main_~msb_SORT_6~0#1| .cse5) (_ bv0 32))))))))) .cse6) (or (not .cse6) (and (or .cse1 (let ((.cse8 (bvshl ((_ zero_extend 16) ((_ extract 15 0) ((_ zero_extend 16) ((_ extract 15 0) ((_ zero_extend 16) |c_ULTIMATE.start_main_~state_19~0#1|))))) (_ bv16 32)))) (and (forall ((|v_ULTIMATE.start_main_~var_128_arg_1~0#1_13| (_ BitVec 16))) (let ((.cse7 (bvor ((_ zero_extend 16) |v_ULTIMATE.start_main_~var_128_arg_1~0#1_13|) .cse8))) (or (not (= |c_ULTIMATE.start_main_~var_126~0#1| (bvand (bvor (bvashr (bvor .cse4 .cse7) |c_ULTIMATE.start_main_~var_129~0#1|) .cse3) |c_ULTIMATE.start_main_~mask_SORT_6~0#1|))) (= (bvand |c_ULTIMATE.start_main_~msb_SORT_6~0#1| .cse7) (_ bv0 32))))) (forall ((|v_ULTIMATE.start_main_~var_128_arg_1~0#1_13| (_ BitVec 16))) (let ((.cse9 (bvor ((_ zero_extend 16) |v_ULTIMATE.start_main_~var_128_arg_1~0#1_13|) .cse8))) (or (not (= (bvand |c_ULTIMATE.start_main_~msb_SORT_6~0#1| .cse9) (_ bv0 32))) (not (= |c_ULTIMATE.start_main_~var_126~0#1| (bvand (bvashr (bvand .cse9 |c_ULTIMATE.start_main_~mask_SORT_6~0#1|) |c_ULTIMATE.start_main_~var_129~0#1|) |c_ULTIMATE.start_main_~mask_SORT_6~0#1|))))))))) .cse0))))) (forall ((|v_ULTIMATE.start_main_~var_718_arg_0~0#1_13| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_719_arg_0~0#1_13| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_1145_arg_1~0#1_13| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_1007_arg_1~0#1_13| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_771_arg_1~0#1_13| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_869_arg_1~0#1_14| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_716_arg_1~0#1_13| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_1146_arg_1~0#1_14| (_ BitVec 8))) (= ((_ extract 7 0) (let ((.cse13 ((_ zero_extend 24) |c_ULTIMATE.start_main_~mask_SORT_1~0#1|))) (bvand .cse13 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse13 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_1007_arg_1~0#1_13|) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_869_arg_1~0#1_14|) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_771_arg_1~0#1_13|) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_716_arg_1~0#1_13|) ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_68~0#1|)))) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) |c_ULTIMATE.start_main_~input_242~0#1|)))) .cse13)))))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_718_arg_0~0#1_13|)))) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_114~0#1|) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_719_arg_0~0#1_13|)))) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse13 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) |c_ULTIMATE.start_main_~input_241~0#1|)))))))))))))))))))))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_1145_arg_1~0#1_13|)))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_1146_arg_1~0#1_14|))))))))))))) .cse13))) (_ bv1 32))))))) (_ bv0 8)))) (= |c_ULTIMATE.start_main_~msb_SORT_6~0#1| (_ bv2147483648 32)) (= |c_ULTIMATE.start_main_~var_126~0#1| (_ bv5 32)) (let ((.cse15 (exists ((|ULTIMATE.start_main_~var_309_arg_1~0#1| (_ BitVec 16))) (= |c_ULTIMATE.start_main_~state_19~0#1| ((_ extract 15 0) ((_ zero_extend 16) |ULTIMATE.start_main_~var_309_arg_1~0#1|)))))) (or (and (exists ((|ULTIMATE.start_main_~var_771_arg_1~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~var_1146_arg_1~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~var_1007_arg_1~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~var_718_arg_0~0#1| (_ BitVec 8)) (|v_ULTIMATE.start_main_#t~nondet94#1_15| (_ BitVec 8)) (|ULTIMATE.start_main_~var_1145_arg_1~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~var_869_arg_1~0#1| (_ BitVec 8))) (let ((.cse14 ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_#t~nondet94#1_15|) (_ bv1 32))))) (and (= |c_ULTIMATE.start_main_~state_124~0#1| ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |ULTIMATE.start_main_~var_1146_arg_1~0#1|) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |ULTIMATE.start_main_~var_1007_arg_1~0#1|) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |ULTIMATE.start_main_~var_771_arg_1~0#1|) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |ULTIMATE.start_main_~var_718_arg_0~0#1|) (_ bv1 32)))) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) .cse14)))) (_ bv1 32)))) (_ bv0 32)))))))))) ((_ zero_extend 24) |ULTIMATE.start_main_~var_869_arg_1~0#1|))))))) ((_ zero_extend 24) |ULTIMATE.start_main_~var_1145_arg_1~0#1|)))))))))) (_ bv1 32)))) (not (= .cse14 (_ bv0 8)))))) .cse15) (and (exists ((|ULTIMATE.start_main_~var_771_arg_1~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~var_1146_arg_1~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~var_1007_arg_1~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~var_718_arg_0~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~var_1145_arg_1~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~var_869_arg_1~0#1| (_ BitVec 8))) (= |c_ULTIMATE.start_main_~state_124~0#1| ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |ULTIMATE.start_main_~var_869_arg_1~0#1|) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |ULTIMATE.start_main_~var_771_arg_1~0#1|) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |ULTIMATE.start_main_~var_718_arg_0~0#1|) (_ bv1 32)))) (_ bv1 32)))))))))) ((_ zero_extend 24) |ULTIMATE.start_main_~var_1007_arg_1~0#1|)))) ((_ zero_extend 24) |ULTIMATE.start_main_~var_1145_arg_1~0#1|)))) ((_ zero_extend 24) |ULTIMATE.start_main_~var_1146_arg_1~0#1|))))))) (_ bv1 32))))) (= (_ bv0 16) |c_ULTIMATE.start_main_~state_19~0#1|)) (and (exists ((|v_ULTIMATE.start_main_#t~nondet95#1_15| (_ BitVec 8)) (|ULTIMATE.start_main_~var_771_arg_1~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~var_1146_arg_1~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~var_1007_arg_1~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~var_718_arg_0~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~var_1145_arg_1~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~var_869_arg_1~0#1| (_ BitVec 8))) (let ((.cse16 ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_#t~nondet95#1_15|) (_ bv1 32))))) (and (= |c_ULTIMATE.start_main_~state_124~0#1| ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |ULTIMATE.start_main_~var_1146_arg_1~0#1|) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |ULTIMATE.start_main_~var_1007_arg_1~0#1|) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |ULTIMATE.start_main_~var_771_arg_1~0#1|) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor (_ bv0 32) ((_ zero_extend 24) ((_ extract 7 0) (bvand (_ bv1 32) ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) .cse16)))))))))) ((_ zero_extend 24) |ULTIMATE.start_main_~var_718_arg_0~0#1|)))) (_ bv1 32))))))) ((_ zero_extend 24) |ULTIMATE.start_main_~var_869_arg_1~0#1|))))))) ((_ zero_extend 24) |ULTIMATE.start_main_~var_1145_arg_1~0#1|)))))))))) (_ bv1 32)))) (not (= .cse16 (_ bv0 8)))))) (exists ((|ULTIMATE.start_main_~var_308_arg_1~0#1| (_ BitVec 16))) (= |c_ULTIMATE.start_main_~state_19~0#1| ((_ extract 15 0) ((_ zero_extend 16) ((_ extract 15 0) ((_ zero_extend 16) |ULTIMATE.start_main_~var_308_arg_1~0#1|))))))) (and (exists ((|v_ULTIMATE.start_main_#t~nondet95#1_15| (_ BitVec 8)) (|ULTIMATE.start_main_~var_771_arg_1~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~var_1146_arg_1~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~var_1007_arg_1~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~var_718_arg_0~0#1| (_ BitVec 8)) (|v_ULTIMATE.start_main_#t~nondet94#1_15| (_ BitVec 8)) (|ULTIMATE.start_main_~var_1145_arg_1~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~var_869_arg_1~0#1| (_ BitVec 8))) (let ((.cse17 ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_#t~nondet95#1_15|) (_ bv1 32)))) (.cse18 ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_#t~nondet94#1_15|) (_ bv1 32))))) (and (not (= .cse17 (_ bv0 8))) (= |c_ULTIMATE.start_main_~state_124~0#1| ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |ULTIMATE.start_main_~var_1146_arg_1~0#1|) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |ULTIMATE.start_main_~var_1145_arg_1~0#1|) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |ULTIMATE.start_main_~var_869_arg_1~0#1|) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |ULTIMATE.start_main_~var_771_arg_1~0#1|) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor (_ bv0 32) ((_ zero_extend 24) ((_ extract 7 0) (bvand (_ bv1 32) ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) .cse17)))))))))) ((_ zero_extend 24) |ULTIMATE.start_main_~var_718_arg_0~0#1|)))) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) .cse18)))) (_ bv1 32)))) (_ bv0 32))))))))))))) ((_ zero_extend 24) |ULTIMATE.start_main_~var_1007_arg_1~0#1|))))))))))))) (_ bv1 32)))) (not (= .cse18 (_ bv0 8)))))) .cse15))) (= (_ bv1 8) |c_ULTIMATE.start_main_~mask_SORT_1~0#1|) (= (_ bv16 32) |c_ULTIMATE.start_main_~var_129~0#1|) (= (_ bv0 32) (bvadd (_ bv1 32) |c_ULTIMATE.start_main_~mask_SORT_6~0#1|))) is different from false [2023-12-16 21:51:09,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 21:51:09,762 INFO L93 Difference]: Finished difference Result 14 states and 14 transitions. [2023-12-16 21:51:09,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-16 21:51:09,763 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 1.3) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2023-12-16 21:51:09,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 21:51:09,763 INFO L225 Difference]: With dead ends: 14 [2023-12-16 21:51:09,763 INFO L226 Difference]: Without dead ends: 12 [2023-12-16 21:51:09,764 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 19.3s TimeCoverageRelationStatistics Valid=45, Invalid=88, Unknown=3, NotChecked=20, Total=156 [2023-12-16 21:51:09,765 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 4 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 7 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2023-12-16 21:51:09,765 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 14 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 30 Invalid, 0 Unknown, 7 Unchecked, 1.9s Time] [2023-12-16 21:51:09,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2023-12-16 21:51:09,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 11. [2023-12-16 21:51:09,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 10 states have (on average 1.1) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 21:51:09,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2023-12-16 21:51:09,769 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 11 transitions. Word has length 7 [2023-12-16 21:51:09,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 21:51:09,769 INFO L495 AbstractCegarLoop]: Abstraction has 11 states and 11 transitions. [2023-12-16 21:51:09,769 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 1.3) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 21:51:09,769 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2023-12-16 21:51:09,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-16 21:51:09,770 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 21:51:09,770 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1] [2023-12-16 21:51:09,792 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-12-16 21:51:09,970 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 21:51:09,970 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 21:51:09,974 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 21:51:09,974 INFO L85 PathProgramCache]: Analyzing trace with hash -2112524529, now seen corresponding path program 2 times [2023-12-16 21:51:09,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 21:51:09,979 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [943409509] [2023-12-16 21:51:09,979 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-12-16 21:51:09,979 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 [2023-12-16 21:51:09,979 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 21:51:09,984 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-16 21:51:09,985 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-12-16 21:51:17,143 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-12-16 21:51:17,144 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-16 21:51:17,256 INFO L262 TraceCheckSpWp]: Trace formula consists of 6017 conjuncts, 245 conjunts are in the unsatisfiable core [2023-12-16 21:51:17,280 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 21:51:37,060 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 21:51:37,061 INFO L327 TraceCheckSpWp]: Computing backward predicates... Received shutdown request... [2023-12-16 21:51:45,510 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-16 21:51:45,510 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-16 21:51:46,544 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 (4)] Ended with exit code 0 [2023-12-16 21:51:46,711 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forcibly destroying the process [2023-12-16 21:51:46,848 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 137 [2023-12-16 21:51:46,850 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-16 21:51:46,851 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was analyzing trace of length 11 with TraceHistMax 3,while TraceCheckSpWp was constructing backward predicates,while executing Executor. [2023-12-16 21:51:46,855 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1] [2023-12-16 21:51:46,857 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-16 21:51:46,860 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 09:51:46 BoogieIcfgContainer [2023-12-16 21:51:46,860 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-16 21:51:46,861 INFO L158 Benchmark]: Toolchain (without parser) took 71709.21ms. Allocated memory was 195.0MB in the beginning and 1.2GB in the end (delta: 1.0GB). Free memory was 142.7MB in the beginning and 658.0MB in the end (delta: -515.4MB). Peak memory consumption was 792.8MB. Max. memory is 8.0GB. [2023-12-16 21:51:46,864 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 195.0MB. Free memory is still 152.9MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-16 21:51:46,865 INFO L158 Benchmark]: CACSL2BoogieTranslator took 692.69ms. Allocated memory was 195.0MB in the beginning and 293.6MB in the end (delta: 98.6MB). Free memory was 142.7MB in the beginning and 198.0MB in the end (delta: -55.3MB). Peak memory consumption was 54.1MB. Max. memory is 8.0GB. [2023-12-16 21:51:46,865 INFO L158 Benchmark]: Boogie Procedure Inliner took 149.25ms. Allocated memory is still 293.6MB. Free memory was 198.0MB in the beginning and 171.8MB in the end (delta: 26.2MB). Peak memory consumption was 26.2MB. Max. memory is 8.0GB. [2023-12-16 21:51:46,865 INFO L158 Benchmark]: Boogie Preprocessor took 279.13ms. Allocated memory is still 293.6MB. Free memory was 171.8MB in the beginning and 222.1MB in the end (delta: -50.3MB). Peak memory consumption was 39.4MB. Max. memory is 8.0GB. [2023-12-16 21:51:46,865 INFO L158 Benchmark]: RCFGBuilder took 4860.86ms. Allocated memory was 293.6MB in the beginning and 602.9MB in the end (delta: 309.3MB). Free memory was 222.1MB in the beginning and 320.1MB in the end (delta: -98.0MB). Peak memory consumption was 305.1MB. Max. memory is 8.0GB. [2023-12-16 21:51:46,866 INFO L158 Benchmark]: TraceAbstraction took 65721.18ms. Allocated memory was 602.9MB in the beginning and 1.2GB in the end (delta: 637.5MB). Free memory was 319.1MB in the beginning and 658.0MB in the end (delta: -338.9MB). Peak memory consumption was 562.1MB. Max. memory is 8.0GB. [2023-12-16 21:51:46,867 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 195.0MB. Free memory is still 152.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 692.69ms. Allocated memory was 195.0MB in the beginning and 293.6MB in the end (delta: 98.6MB). Free memory was 142.7MB in the beginning and 198.0MB in the end (delta: -55.3MB). Peak memory consumption was 54.1MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 149.25ms. Allocated memory is still 293.6MB. Free memory was 198.0MB in the beginning and 171.8MB in the end (delta: 26.2MB). Peak memory consumption was 26.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 279.13ms. Allocated memory is still 293.6MB. Free memory was 171.8MB in the beginning and 222.1MB in the end (delta: -50.3MB). Peak memory consumption was 39.4MB. Max. memory is 8.0GB. * RCFGBuilder took 4860.86ms. Allocated memory was 293.6MB in the beginning and 602.9MB in the end (delta: 309.3MB). Free memory was 222.1MB in the beginning and 320.1MB in the end (delta: -98.0MB). Peak memory consumption was 305.1MB. Max. memory is 8.0GB. * TraceAbstraction took 65721.18ms. Allocated memory was 602.9MB in the beginning and 1.2GB in the end (delta: 637.5MB). Free memory was 319.1MB in the beginning and 658.0MB in the end (delta: -338.9MB). Peak memory consumption was 562.1MB. 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 - TimeoutResultAtElement [Line: 21]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 21). Cancelled while NwaCegarLoop was analyzing trace of length 11 with TraceHistMax 3,while TraceCheckSpWp was constructing backward predicates,while executing Executor. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 8 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 65.7s, OverallIterations: 3, TraceHistogramMax: 3, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 9.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 7 SdHoareTripleChecker+Valid, 2.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 7 mSDsluCounter, 20 SdHoareTripleChecker+Invalid, 2.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 7 IncrementalHoareTripleChecker+Unchecked, 16 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 41 IncrementalHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 4 mSDtfsCounter, 41 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 19 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 19.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11occurred in iteration=2, InterpolantAutomatonStates: 11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 2 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 3.0s SatisfiabilityAnalysisTime, 14.7s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 15 ConstructedInterpolants, 7 QuantifiedInterpolants, 2224 SizeOfPredicates, 91 NumberOfNonLiveVariables, 3349 ConjunctsInSsa, 86 ConjunctsInUnsatCore, 3 InterpolantComputations, 1 PerfectInterpolantSequences, 0/4 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: Timeout Completed graceful shutdown