/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-32bit-Automizer_Default.epf --cacsl2boogietranslator.use.bitabs.translation false -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-89.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-16 04:20:18,942 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-16 04:20:18,991 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-12-16 04:20:18,994 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-16 04:20:18,995 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-16 04:20:19,014 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-16 04:20:19,014 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-16 04:20:19,014 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-16 04:20:19,015 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-16 04:20:19,015 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-16 04:20:19,016 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-16 04:20:19,016 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-16 04:20:19,017 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-16 04:20:19,017 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-16 04:20:19,017 INFO L153 SettingsManager]: * Use SBE=true [2023-12-16 04:20:19,018 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-16 04:20:19,018 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-16 04:20:19,018 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-16 04:20:19,019 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-16 04:20:19,019 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-16 04:20:19,019 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-16 04:20:19,020 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-16 04:20:19,020 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-16 04:20:19,021 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-16 04:20:19,024 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-16 04:20:19,024 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-16 04:20:19,025 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-16 04:20:19,025 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-16 04:20:19,026 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-16 04:20:19,026 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-16 04:20:19,026 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-16 04:20:19,027 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-16 04:20:19,027 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 04:20:19,027 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-16 04:20:19,028 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-16 04:20:19,028 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-16 04:20:19,028 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-16 04:20:19,029 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-16 04:20:19,029 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-16 04:20:19,029 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-16 04:20:19,030 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-16 04:20:19,030 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-16 04:20:19,030 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-16 04:20:19,031 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> false [2023-12-16 04:20:19,240 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-16 04:20:19,260 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-16 04:20:19,262 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-16 04:20:19,263 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-16 04:20:19,263 INFO L274 PluginConnector]: CDTParser initialized [2023-12-16 04:20:19,264 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-89.i [2023-12-16 04:20:20,503 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-16 04:20:20,736 INFO L384 CDTParser]: Found 1 translation units. [2023-12-16 04:20:20,737 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-89.i [2023-12-16 04:20:20,744 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fff12f882/d9bc6eb3fb824e95aebef6dcc0937069/FLAG13dd50a11 [2023-12-16 04:20:20,755 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fff12f882/d9bc6eb3fb824e95aebef6dcc0937069 [2023-12-16 04:20:20,757 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-16 04:20:20,759 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-16 04:20:20,759 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-16 04:20:20,760 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-16 04:20:20,768 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-16 04:20:20,768 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 04:20:20" (1/1) ... [2023-12-16 04:20:20,769 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2039159a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:20:20, skipping insertion in model container [2023-12-16 04:20:20,769 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 04:20:20" (1/1) ... [2023-12-16 04:20:20,799 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-16 04:20:20,920 WARN L239 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_variablewrapping_wrapper-a_file-89.i[916,929] [2023-12-16 04:20:20,973 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 04:20:20,984 INFO L202 MainTranslator]: Completed pre-run [2023-12-16 04:20:20,994 WARN L239 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_variablewrapping_wrapper-a_file-89.i[916,929] [2023-12-16 04:20:21,024 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 04:20:21,045 INFO L206 MainTranslator]: Completed translation [2023-12-16 04:20:21,045 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:20:21 WrapperNode [2023-12-16 04:20:21,045 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-16 04:20:21,046 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-16 04:20:21,046 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-16 04:20:21,046 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-16 04:20:21,055 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:20:21" (1/1) ... [2023-12-16 04:20:21,067 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:20:21" (1/1) ... [2023-12-16 04:20:21,108 INFO L138 Inliner]: procedures = 26, calls = 136, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 420 [2023-12-16 04:20:21,108 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-16 04:20:21,109 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-16 04:20:21,109 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-16 04:20:21,109 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-16 04:20:21,118 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:20:21" (1/1) ... [2023-12-16 04:20:21,118 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:20:21" (1/1) ... [2023-12-16 04:20:21,128 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:20:21" (1/1) ... [2023-12-16 04:20:21,154 INFO L175 MemorySlicer]: Split 107 memory accesses to 6 slices as follows [2, 44, 29, 5, 13, 14]. 41 percent of accesses are in the largest equivalence class. The 14 initializations are split as follows [2, 5, 3, 1, 1, 2]. The 15 writes are split as follows [0, 8, 3, 1, 1, 2]. [2023-12-16 04:20:21,155 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:20:21" (1/1) ... [2023-12-16 04:20:21,155 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:20:21" (1/1) ... [2023-12-16 04:20:21,186 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:20:21" (1/1) ... [2023-12-16 04:20:21,190 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:20:21" (1/1) ... [2023-12-16 04:20:21,193 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:20:21" (1/1) ... [2023-12-16 04:20:21,195 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:20:21" (1/1) ... [2023-12-16 04:20:21,199 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-16 04:20:21,200 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-16 04:20:21,200 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-16 04:20:21,200 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-16 04:20:21,201 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:20:21" (1/1) ... [2023-12-16 04:20:21,224 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 04:20:21,235 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 04:20:21,251 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 04:20:21,279 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 04:20:21,286 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-16 04:20:21,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-12-16 04:20:21,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-12-16 04:20:21,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-12-16 04:20:21,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2023-12-16 04:20:21,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2023-12-16 04:20:21,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2023-12-16 04:20:21,289 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-12-16 04:20:21,289 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-12-16 04:20:21,290 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-12-16 04:20:21,290 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2023-12-16 04:20:21,290 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2023-12-16 04:20:21,290 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2023-12-16 04:20:21,290 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-16 04:20:21,290 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-16 04:20:21,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-16 04:20:21,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-12-16 04:20:21,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-12-16 04:20:21,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-12-16 04:20:21,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2023-12-16 04:20:21,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2023-12-16 04:20:21,291 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-16 04:20:21,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-16 04:20:21,383 INFO L241 CfgBuilder]: Building ICFG [2023-12-16 04:20:21,385 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-16 04:20:21,773 INFO L282 CfgBuilder]: Performing block encoding [2023-12-16 04:20:21,805 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-16 04:20:21,805 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-16 04:20:21,806 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 04:20:21 BoogieIcfgContainer [2023-12-16 04:20:21,806 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-16 04:20:21,808 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-16 04:20:21,808 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-16 04:20:21,813 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-16 04:20:21,816 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 04:20:20" (1/3) ... [2023-12-16 04:20:21,817 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@525d9171 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 04:20:21, skipping insertion in model container [2023-12-16 04:20:21,817 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:20:21" (2/3) ... [2023-12-16 04:20:21,817 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@525d9171 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 04:20:21, skipping insertion in model container [2023-12-16 04:20:21,817 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 04:20:21" (3/3) ... [2023-12-16 04:20:21,818 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-89.i [2023-12-16 04:20:21,834 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-16 04:20:21,835 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-16 04:20:21,876 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-16 04:20:21,881 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;@5545e1ad, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-16 04:20:21,881 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-16 04:20:21,884 INFO L276 IsEmpty]: Start isEmpty. Operand has 87 states, 71 states have (on average 1.4507042253521127) internal successors, (103), 72 states have internal predecessors, (103), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-12-16 04:20:21,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2023-12-16 04:20:21,900 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 04:20:21,901 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 04:20:21,901 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 04:20:21,908 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 04:20:21,909 INFO L85 PathProgramCache]: Analyzing trace with hash -688493930, now seen corresponding path program 1 times [2023-12-16 04:20:21,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 04:20:21,916 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [448722342] [2023-12-16 04:20:21,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 04:20:21,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 04:20:22,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:20:22,136 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 04:20:22,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [448722342] [2023-12-16 04:20:22,137 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-12-16 04:20:22,137 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [556066877] [2023-12-16 04:20:22,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 04:20:22,137 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 04:20:22,138 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 04:20:22,139 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-16 04:20:22,141 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-16 04:20:22,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:20:22,355 INFO L262 TraceCheckSpWp]: Trace formula consists of 362 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-16 04:20:22,364 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 04:20:22,407 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2023-12-16 04:20:22,407 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 04:20:22,410 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [556066877] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 04:20:22,410 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 04:20:22,410 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-16 04:20:22,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1848202261] [2023-12-16 04:20:22,413 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 04:20:22,417 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-16 04:20:22,417 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 04:20:22,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-16 04:20:22,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-16 04:20:22,464 INFO L87 Difference]: Start difference. First operand has 87 states, 71 states have (on average 1.4507042253521127) internal successors, (103), 72 states have internal predecessors, (103), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) Second operand has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-16 04:20:22,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 04:20:22,504 INFO L93 Difference]: Finished difference Result 171 states and 269 transitions. [2023-12-16 04:20:22,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-16 04:20:22,506 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 2 states have call successors, (13) Word has length 104 [2023-12-16 04:20:22,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 04:20:22,512 INFO L225 Difference]: With dead ends: 171 [2023-12-16 04:20:22,513 INFO L226 Difference]: Without dead ends: 85 [2023-12-16 04:20:22,515 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-16 04:20:22,518 INFO L413 NwaCegarLoop]: 120 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 04:20:22,519 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 120 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 04:20:22,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2023-12-16 04:20:22,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2023-12-16 04:20:22,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 70 states have (on average 1.4) internal successors, (98), 70 states have internal predecessors, (98), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-12-16 04:20:22,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 124 transitions. [2023-12-16 04:20:22,552 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 124 transitions. Word has length 104 [2023-12-16 04:20:22,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 04:20:22,553 INFO L495 AbstractCegarLoop]: Abstraction has 85 states and 124 transitions. [2023-12-16 04:20:22,553 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-16 04:20:22,553 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 124 transitions. [2023-12-16 04:20:22,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2023-12-16 04:20:22,556 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 04:20:22,557 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 04:20:22,567 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-12-16 04:20:22,763 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-12-16 04:20:22,763 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 04:20:22,764 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 04:20:22,764 INFO L85 PathProgramCache]: Analyzing trace with hash -286101700, now seen corresponding path program 1 times [2023-12-16 04:20:22,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 04:20:22,764 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1997237458] [2023-12-16 04:20:22,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 04:20:22,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 04:20:22,809 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-16 04:20:22,809 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1972522456] [2023-12-16 04:20:22,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 04:20:22,810 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 04:20:22,810 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 04:20:22,837 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-16 04:20:22,858 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-12-16 04:20:22,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:20:22,998 INFO L262 TraceCheckSpWp]: Trace formula consists of 362 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-16 04:20:23,009 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 04:20:23,061 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-16 04:20:23,061 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 04:20:23,061 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 04:20:23,062 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1997237458] [2023-12-16 04:20:23,062 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-16 04:20:23,062 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1972522456] [2023-12-16 04:20:23,062 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1972522456] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 04:20:23,062 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 04:20:23,062 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-16 04:20:23,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1047743804] [2023-12-16 04:20:23,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 04:20:23,065 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-16 04:20:23,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 04:20:23,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-16 04:20:23,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-16 04:20:23,067 INFO L87 Difference]: Start difference. First operand 85 states and 124 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-16 04:20:23,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 04:20:23,137 INFO L93 Difference]: Finished difference Result 181 states and 264 transitions. [2023-12-16 04:20:23,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-16 04:20:23,138 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 104 [2023-12-16 04:20:23,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 04:20:23,143 INFO L225 Difference]: With dead ends: 181 [2023-12-16 04:20:23,143 INFO L226 Difference]: Without dead ends: 97 [2023-12-16 04:20:23,144 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 101 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 04:20:23,150 INFO L413 NwaCegarLoop]: 117 mSDtfsCounter, 21 mSDsluCounter, 234 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 351 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 04:20:23,150 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 351 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 04:20:23,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2023-12-16 04:20:23,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 87. [2023-12-16 04:20:23,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 72 states have (on average 1.3888888888888888) internal successors, (100), 72 states have internal predecessors, (100), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-12-16 04:20:23,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 126 transitions. [2023-12-16 04:20:23,164 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 126 transitions. Word has length 104 [2023-12-16 04:20:23,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 04:20:23,165 INFO L495 AbstractCegarLoop]: Abstraction has 87 states and 126 transitions. [2023-12-16 04:20:23,166 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-16 04:20:23,166 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 126 transitions. [2023-12-16 04:20:23,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2023-12-16 04:20:23,167 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 04:20:23,167 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 04:20:23,176 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-12-16 04:20:23,373 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2023-12-16 04:20:23,374 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 04:20:23,374 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 04:20:23,375 INFO L85 PathProgramCache]: Analyzing trace with hash -1095448326, now seen corresponding path program 1 times [2023-12-16 04:20:23,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 04:20:23,375 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [910923795] [2023-12-16 04:20:23,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 04:20:23,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 04:20:23,431 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-16 04:20:23,431 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [691278701] [2023-12-16 04:20:23,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 04:20:23,431 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 04:20:23,431 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 04:20:23,445 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-16 04:20:23,460 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-12-16 04:20:23,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:20:23,589 INFO L262 TraceCheckSpWp]: Trace formula consists of 357 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-16 04:20:23,596 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 04:20:23,624 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-16 04:20:23,624 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 04:20:23,625 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 04:20:23,625 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [910923795] [2023-12-16 04:20:23,625 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-16 04:20:23,625 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [691278701] [2023-12-16 04:20:23,625 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [691278701] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 04:20:23,625 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 04:20:23,625 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-16 04:20:23,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [309248846] [2023-12-16 04:20:23,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 04:20:23,627 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-16 04:20:23,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 04:20:23,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-16 04:20:23,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-16 04:20:23,628 INFO L87 Difference]: Start difference. First operand 87 states and 126 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-16 04:20:23,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 04:20:23,675 INFO L93 Difference]: Finished difference Result 181 states and 262 transitions. [2023-12-16 04:20:23,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-16 04:20:23,675 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 104 [2023-12-16 04:20:23,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 04:20:23,679 INFO L225 Difference]: With dead ends: 181 [2023-12-16 04:20:23,679 INFO L226 Difference]: Without dead ends: 95 [2023-12-16 04:20:23,681 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 101 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 04:20:23,684 INFO L413 NwaCegarLoop]: 117 mSDtfsCounter, 12 mSDsluCounter, 232 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 349 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 04:20:23,688 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 349 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 04:20:23,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2023-12-16 04:20:23,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 89. [2023-12-16 04:20:23,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 74 states have (on average 1.3783783783783783) internal successors, (102), 74 states have internal predecessors, (102), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-12-16 04:20:23,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 128 transitions. [2023-12-16 04:20:23,706 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 128 transitions. Word has length 104 [2023-12-16 04:20:23,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 04:20:23,707 INFO L495 AbstractCegarLoop]: Abstraction has 89 states and 128 transitions. [2023-12-16 04:20:23,707 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-16 04:20:23,707 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 128 transitions. [2023-12-16 04:20:23,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2023-12-16 04:20:23,709 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 04:20:23,709 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 04:20:23,715 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-12-16 04:20:23,912 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 04:20:23,912 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 04:20:23,913 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 04:20:23,913 INFO L85 PathProgramCache]: Analyzing trace with hash -1038190024, now seen corresponding path program 1 times [2023-12-16 04:20:23,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 04:20:23,913 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [998329244] [2023-12-16 04:20:23,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 04:20:23,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 04:20:23,951 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-16 04:20:23,952 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1629697625] [2023-12-16 04:20:23,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 04:20:23,952 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 04:20:23,952 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 04:20:23,953 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-16 04:20:23,965 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-12-16 04:20:24,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:20:24,113 INFO L262 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-16 04:20:24,116 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 04:20:24,134 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-16 04:20:24,135 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 04:20:24,135 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 04:20:24,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [998329244] [2023-12-16 04:20:24,135 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-16 04:20:24,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1629697625] [2023-12-16 04:20:24,135 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1629697625] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 04:20:24,135 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 04:20:24,136 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-16 04:20:24,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [42257406] [2023-12-16 04:20:24,136 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 04:20:24,137 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-16 04:20:24,137 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 04:20:24,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-16 04:20:24,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-16 04:20:24,139 INFO L87 Difference]: Start difference. First operand 89 states and 128 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-16 04:20:24,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 04:20:24,167 INFO L93 Difference]: Finished difference Result 181 states and 260 transitions. [2023-12-16 04:20:24,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-16 04:20:24,167 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 104 [2023-12-16 04:20:24,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 04:20:24,168 INFO L225 Difference]: With dead ends: 181 [2023-12-16 04:20:24,168 INFO L226 Difference]: Without dead ends: 93 [2023-12-16 04:20:24,169 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 101 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 04:20:24,170 INFO L413 NwaCegarLoop]: 118 mSDtfsCounter, 3 mSDsluCounter, 231 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 349 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 04:20:24,170 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 349 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 04:20:24,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2023-12-16 04:20:24,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 91. [2023-12-16 04:20:24,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 76 states have (on average 1.368421052631579) internal successors, (104), 76 states have internal predecessors, (104), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-12-16 04:20:24,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 130 transitions. [2023-12-16 04:20:24,176 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 130 transitions. Word has length 104 [2023-12-16 04:20:24,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 04:20:24,177 INFO L495 AbstractCegarLoop]: Abstraction has 91 states and 130 transitions. [2023-12-16 04:20:24,177 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-16 04:20:24,177 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 130 transitions. [2023-12-16 04:20:24,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2023-12-16 04:20:24,179 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 04:20:24,179 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 04:20:24,187 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-12-16 04:20:24,385 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 04:20:24,386 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 04:20:24,386 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 04:20:24,386 INFO L85 PathProgramCache]: Analyzing trace with hash -1038130442, now seen corresponding path program 1 times [2023-12-16 04:20:24,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 04:20:24,386 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [207635015] [2023-12-16 04:20:24,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 04:20:24,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 04:20:24,434 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-16 04:20:24,434 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [388977295] [2023-12-16 04:20:24,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 04:20:24,435 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 04:20:24,435 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 04:20:24,456 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-16 04:20:24,461 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-12-16 04:20:24,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:20:24,619 INFO L262 TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-16 04:20:24,624 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 04:20:24,700 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 38 [2023-12-16 04:20:24,751 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-16 04:20:24,752 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 53 treesize of output 31 [2023-12-16 04:20:24,760 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2023-12-16 04:20:24,785 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-16 04:20:24,785 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 04:20:24,785 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 04:20:24,785 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [207635015] [2023-12-16 04:20:24,785 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-16 04:20:24,786 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [388977295] [2023-12-16 04:20:24,786 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [388977295] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 04:20:24,786 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 04:20:24,786 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-16 04:20:24,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [303163629] [2023-12-16 04:20:24,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 04:20:24,787 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-16 04:20:24,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 04:20:24,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-16 04:20:24,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-12-16 04:20:24,789 INFO L87 Difference]: Start difference. First operand 91 states and 130 transitions. Second operand has 6 states, 6 states have (on average 7.0) internal successors, (42), 6 states have internal predecessors, (42), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-16 04:20:24,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 04:20:24,995 INFO L93 Difference]: Finished difference Result 254 states and 362 transitions. [2023-12-16 04:20:24,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-16 04:20:24,996 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 6 states have internal predecessors, (42), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 104 [2023-12-16 04:20:24,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 04:20:24,997 INFO L225 Difference]: With dead ends: 254 [2023-12-16 04:20:24,997 INFO L226 Difference]: Without dead ends: 164 [2023-12-16 04:20:24,998 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-12-16 04:20:24,999 INFO L413 NwaCegarLoop]: 140 mSDtfsCounter, 209 mSDsluCounter, 365 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 209 SdHoareTripleChecker+Valid, 505 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-16 04:20:24,999 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [209 Valid, 505 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-16 04:20:24,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2023-12-16 04:20:25,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 161. [2023-12-16 04:20:25,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 135 states have (on average 1.362962962962963) internal successors, (184), 136 states have internal predecessors, (184), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 22 states have call predecessors, (23), 23 states have call successors, (23) [2023-12-16 04:20:25,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 230 transitions. [2023-12-16 04:20:25,011 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 230 transitions. Word has length 104 [2023-12-16 04:20:25,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 04:20:25,011 INFO L495 AbstractCegarLoop]: Abstraction has 161 states and 230 transitions. [2023-12-16 04:20:25,012 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 6 states have internal predecessors, (42), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-16 04:20:25,012 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 230 transitions. [2023-12-16 04:20:25,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2023-12-16 04:20:25,013 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 04:20:25,013 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 04:20:25,020 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-12-16 04:20:25,219 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 04:20:25,219 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 04:20:25,220 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 04:20:25,220 INFO L85 PathProgramCache]: Analyzing trace with hash -1166294209, now seen corresponding path program 1 times [2023-12-16 04:20:25,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 04:20:25,220 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1609436522] [2023-12-16 04:20:25,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 04:20:25,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 04:20:25,267 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-16 04:20:25,267 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1233582587] [2023-12-16 04:20:25,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 04:20:25,267 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 04:20:25,267 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 04:20:25,268 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-16 04:20:25,286 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-12-16 04:20:25,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:20:25,413 INFO L262 TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-16 04:20:25,416 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 04:20:25,587 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 25 [2023-12-16 04:20:25,726 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-16 04:20:25,727 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 69 treesize of output 41 [2023-12-16 04:20:25,788 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2023-12-16 04:20:25,788 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-16 04:20:26,018 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 35 [2023-12-16 04:20:26,066 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-16 04:20:26,066 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 04:20:26,066 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1609436522] [2023-12-16 04:20:26,066 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-16 04:20:26,066 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1233582587] [2023-12-16 04:20:26,066 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1233582587] provided 1 perfect and 1 imperfect interpolant sequences [2023-12-16 04:20:26,066 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-16 04:20:26,067 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [10] total 16 [2023-12-16 04:20:26,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1855456610] [2023-12-16 04:20:26,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 04:20:26,067 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-16 04:20:26,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 04:20:26,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-16 04:20:26,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=199, Unknown=0, NotChecked=0, Total=240 [2023-12-16 04:20:26,068 INFO L87 Difference]: Start difference. First operand 161 states and 230 transitions. Second operand has 8 states, 8 states have (on average 5.25) internal successors, (42), 8 states have internal predecessors, (42), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-16 04:20:26,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 04:20:26,516 INFO L93 Difference]: Finished difference Result 412 states and 584 transitions. [2023-12-16 04:20:26,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-16 04:20:26,517 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.25) internal successors, (42), 8 states have internal predecessors, (42), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 104 [2023-12-16 04:20:26,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 04:20:26,519 INFO L225 Difference]: With dead ends: 412 [2023-12-16 04:20:26,520 INFO L226 Difference]: Without dead ends: 252 [2023-12-16 04:20:26,520 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 192 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=77, Invalid=343, Unknown=0, NotChecked=0, Total=420 [2023-12-16 04:20:26,521 INFO L413 NwaCegarLoop]: 131 mSDtfsCounter, 214 mSDsluCounter, 634 mSDsCounter, 0 mSdLazyCounter, 250 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 214 SdHoareTripleChecker+Valid, 765 SdHoareTripleChecker+Invalid, 256 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 250 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-16 04:20:26,521 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [214 Valid, 765 Invalid, 256 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 250 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-16 04:20:26,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252 states. [2023-12-16 04:20:26,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 219. [2023-12-16 04:20:26,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 219 states, 190 states have (on average 1.368421052631579) internal successors, (260), 192 states have internal predecessors, (260), 25 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (25), 23 states have call predecessors, (25), 25 states have call successors, (25) [2023-12-16 04:20:26,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 310 transitions. [2023-12-16 04:20:26,536 INFO L78 Accepts]: Start accepts. Automaton has 219 states and 310 transitions. Word has length 104 [2023-12-16 04:20:26,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 04:20:26,536 INFO L495 AbstractCegarLoop]: Abstraction has 219 states and 310 transitions. [2023-12-16 04:20:26,537 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.25) internal successors, (42), 8 states have internal predecessors, (42), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-16 04:20:26,537 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 310 transitions. [2023-12-16 04:20:26,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2023-12-16 04:20:26,538 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 04:20:26,538 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 04:20:26,548 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-12-16 04:20:26,745 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 04:20:26,746 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 04:20:26,746 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 04:20:26,746 INFO L85 PathProgramCache]: Analyzing trace with hash 1848809409, now seen corresponding path program 1 times [2023-12-16 04:20:26,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 04:20:26,746 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1717208588] [2023-12-16 04:20:26,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 04:20:26,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 04:20:26,780 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-16 04:20:26,781 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1102820232] [2023-12-16 04:20:26,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 04:20:26,781 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 04:20:26,781 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 04:20:26,784 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-16 04:20:26,803 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-12-16 04:20:26,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:20:26,941 INFO L262 TraceCheckSpWp]: Trace formula consists of 344 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-16 04:20:26,946 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 04:20:27,077 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 14 [2023-12-16 04:20:27,104 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-16 04:20:27,104 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 04:20:27,104 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 04:20:27,104 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1717208588] [2023-12-16 04:20:27,105 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-16 04:20:27,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1102820232] [2023-12-16 04:20:27,105 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1102820232] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 04:20:27,105 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 04:20:27,105 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-16 04:20:27,105 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2125185597] [2023-12-16 04:20:27,105 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 04:20:27,107 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-16 04:20:27,107 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 04:20:27,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-16 04:20:27,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-12-16 04:20:27,107 INFO L87 Difference]: Start difference. First operand 219 states and 310 transitions. Second operand has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-16 04:20:27,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 04:20:27,349 INFO L93 Difference]: Finished difference Result 445 states and 626 transitions. [2023-12-16 04:20:27,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-16 04:20:27,349 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 104 [2023-12-16 04:20:27,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 04:20:27,351 INFO L225 Difference]: With dead ends: 445 [2023-12-16 04:20:27,351 INFO L226 Difference]: Without dead ends: 227 [2023-12-16 04:20:27,352 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2023-12-16 04:20:27,352 INFO L413 NwaCegarLoop]: 129 mSDtfsCounter, 143 mSDsluCounter, 285 mSDsCounter, 0 mSdLazyCounter, 233 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 414 SdHoareTripleChecker+Invalid, 238 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 233 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-16 04:20:27,352 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 414 Invalid, 238 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 233 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-16 04:20:27,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2023-12-16 04:20:27,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 224. [2023-12-16 04:20:27,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 224 states, 192 states have (on average 1.3541666666666667) internal successors, (260), 194 states have internal predecessors, (260), 27 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (27), 25 states have call predecessors, (27), 27 states have call successors, (27) [2023-12-16 04:20:27,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 314 transitions. [2023-12-16 04:20:27,367 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 314 transitions. Word has length 104 [2023-12-16 04:20:27,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 04:20:27,367 INFO L495 AbstractCegarLoop]: Abstraction has 224 states and 314 transitions. [2023-12-16 04:20:27,367 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-16 04:20:27,367 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 314 transitions. [2023-12-16 04:20:27,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2023-12-16 04:20:27,369 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 04:20:27,369 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 04:20:27,376 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-12-16 04:20:27,576 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 04:20:27,576 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 04:20:27,577 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 04:20:27,577 INFO L85 PathProgramCache]: Analyzing trace with hash -743592383, now seen corresponding path program 1 times [2023-12-16 04:20:27,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 04:20:27,577 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1579403240] [2023-12-16 04:20:27,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 04:20:27,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 04:20:27,598 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-16 04:20:27,599 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1445278575] [2023-12-16 04:20:27,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 04:20:27,599 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 04:20:27,599 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 04:20:27,600 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-16 04:20:27,624 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-12-16 04:20:27,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:20:27,752 INFO L262 TraceCheckSpWp]: Trace formula consists of 344 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-16 04:20:27,779 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 04:20:27,901 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 148 proven. 24 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2023-12-16 04:20:27,901 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-16 04:20:28,051 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 12 proven. 24 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2023-12-16 04:20:28,051 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 04:20:28,051 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1579403240] [2023-12-16 04:20:28,051 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-16 04:20:28,051 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1445278575] [2023-12-16 04:20:28,051 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1445278575] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-16 04:20:28,052 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-16 04:20:28,052 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2023-12-16 04:20:28,052 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [880941471] [2023-12-16 04:20:28,052 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-16 04:20:28,052 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-12-16 04:20:28,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 04:20:28,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-12-16 04:20:28,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2023-12-16 04:20:28,053 INFO L87 Difference]: Start difference. First operand 224 states and 314 transitions. Second operand has 10 states, 8 states have (on average 6.5) internal successors, (52), 10 states have internal predecessors, (52), 4 states have call successors, (22), 2 states have call predecessors, (22), 4 states have return successors, (22), 2 states have call predecessors, (22), 4 states have call successors, (22) [2023-12-16 04:20:28,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 04:20:28,377 INFO L93 Difference]: Finished difference Result 415 states and 572 transitions. [2023-12-16 04:20:28,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-16 04:20:28,379 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 6.5) internal successors, (52), 10 states have internal predecessors, (52), 4 states have call successors, (22), 2 states have call predecessors, (22), 4 states have return successors, (22), 2 states have call predecessors, (22), 4 states have call successors, (22) Word has length 104 [2023-12-16 04:20:28,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 04:20:28,381 INFO L225 Difference]: With dead ends: 415 [2023-12-16 04:20:28,381 INFO L226 Difference]: Without dead ends: 192 [2023-12-16 04:20:28,381 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 212 GetRequests, 197 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=170, Unknown=0, NotChecked=0, Total=240 [2023-12-16 04:20:28,382 INFO L413 NwaCegarLoop]: 86 mSDtfsCounter, 230 mSDsluCounter, 282 mSDsCounter, 0 mSdLazyCounter, 331 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 235 SdHoareTripleChecker+Valid, 368 SdHoareTripleChecker+Invalid, 370 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 331 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-16 04:20:28,382 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [235 Valid, 368 Invalid, 370 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 331 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-16 04:20:28,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2023-12-16 04:20:28,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 185. [2023-12-16 04:20:28,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 185 states, 151 states have (on average 1.304635761589404) internal successors, (197), 153 states have internal predecessors, (197), 27 states have call successors, (27), 6 states have call predecessors, (27), 6 states have return successors, (27), 25 states have call predecessors, (27), 27 states have call successors, (27) [2023-12-16 04:20:28,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 251 transitions. [2023-12-16 04:20:28,394 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 251 transitions. Word has length 104 [2023-12-16 04:20:28,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 04:20:28,395 INFO L495 AbstractCegarLoop]: Abstraction has 185 states and 251 transitions. [2023-12-16 04:20:28,395 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 6.5) internal successors, (52), 10 states have internal predecessors, (52), 4 states have call successors, (22), 2 states have call predecessors, (22), 4 states have return successors, (22), 2 states have call predecessors, (22), 4 states have call successors, (22) [2023-12-16 04:20:28,395 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 251 transitions. [2023-12-16 04:20:28,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2023-12-16 04:20:28,396 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 04:20:28,396 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 04:20:28,407 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-12-16 04:20:28,603 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2023-12-16 04:20:28,604 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 04:20:28,604 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 04:20:28,604 INFO L85 PathProgramCache]: Analyzing trace with hash 316939629, now seen corresponding path program 1 times [2023-12-16 04:20:28,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 04:20:28,605 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [101973191] [2023-12-16 04:20:28,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 04:20:28,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 04:20:28,626 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-16 04:20:28,626 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1512057086] [2023-12-16 04:20:28,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 04:20:28,626 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 04:20:28,626 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 04:20:28,627 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-16 04:20:28,644 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-12-16 04:20:28,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:20:28,787 INFO L262 TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 20 conjunts are in the unsatisfiable core [2023-12-16 04:20:28,790 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 04:20:28,836 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 48 [2023-12-16 04:20:28,840 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 70 [2023-12-16 04:20:28,860 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-16 04:20:28,860 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 26 [2023-12-16 04:20:28,940 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-16 04:20:28,940 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 41 [2023-12-16 04:20:28,986 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2023-12-16 04:20:28,986 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-16 04:20:29,169 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-16 04:20:29,171 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 04:20:29,171 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [101973191] [2023-12-16 04:20:29,172 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-16 04:20:29,172 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1512057086] [2023-12-16 04:20:29,172 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1512057086] provided 1 perfect and 1 imperfect interpolant sequences [2023-12-16 04:20:29,172 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-16 04:20:29,172 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [10] total 14 [2023-12-16 04:20:29,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2131157032] [2023-12-16 04:20:29,174 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 04:20:29,175 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-16 04:20:29,175 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 04:20:29,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-16 04:20:29,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2023-12-16 04:20:29,176 INFO L87 Difference]: Start difference. First operand 185 states and 251 transitions. Second operand has 8 states, 8 states have (on average 5.25) internal successors, (42), 8 states have internal predecessors, (42), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-16 04:20:29,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 04:20:29,638 INFO L93 Difference]: Finished difference Result 478 states and 654 transitions. [2023-12-16 04:20:29,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-16 04:20:29,639 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.25) internal successors, (42), 8 states have internal predecessors, (42), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 104 [2023-12-16 04:20:29,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 04:20:29,641 INFO L225 Difference]: With dead ends: 478 [2023-12-16 04:20:29,641 INFO L226 Difference]: Without dead ends: 302 [2023-12-16 04:20:29,642 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 212 GetRequests, 193 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=73, Invalid=307, Unknown=0, NotChecked=0, Total=380 [2023-12-16 04:20:29,642 INFO L413 NwaCegarLoop]: 147 mSDtfsCounter, 238 mSDsluCounter, 692 mSDsCounter, 0 mSdLazyCounter, 257 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 238 SdHoareTripleChecker+Valid, 839 SdHoareTripleChecker+Invalid, 262 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 257 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-16 04:20:29,642 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [238 Valid, 839 Invalid, 262 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 257 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-16 04:20:29,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2023-12-16 04:20:29,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 200. [2023-12-16 04:20:29,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 200 states, 166 states have (on average 1.3253012048192772) internal successors, (220), 168 states have internal predecessors, (220), 27 states have call successors, (27), 6 states have call predecessors, (27), 6 states have return successors, (27), 25 states have call predecessors, (27), 27 states have call successors, (27) [2023-12-16 04:20:29,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 274 transitions. [2023-12-16 04:20:29,655 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 274 transitions. Word has length 104 [2023-12-16 04:20:29,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 04:20:29,655 INFO L495 AbstractCegarLoop]: Abstraction has 200 states and 274 transitions. [2023-12-16 04:20:29,655 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.25) internal successors, (42), 8 states have internal predecessors, (42), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-16 04:20:29,655 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 274 transitions. [2023-12-16 04:20:29,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2023-12-16 04:20:29,656 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 04:20:29,656 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 04:20:29,666 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-12-16 04:20:29,863 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 04:20:29,863 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 04:20:29,864 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 04:20:29,864 INFO L85 PathProgramCache]: Analyzing trace with hash -962924049, now seen corresponding path program 1 times [2023-12-16 04:20:29,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 04:20:29,864 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [941069765] [2023-12-16 04:20:29,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 04:20:29,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 04:20:29,893 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-16 04:20:29,893 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [675080771] [2023-12-16 04:20:29,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 04:20:29,893 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 04:20:29,894 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 04:20:29,895 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-16 04:20:29,914 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-12-16 04:20:30,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:20:30,045 INFO L262 TraceCheckSpWp]: Trace formula consists of 344 conjuncts, 29 conjunts are in the unsatisfiable core [2023-12-16 04:20:30,048 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 04:20:30,075 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2023-12-16 04:20:30,094 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2023-12-16 04:20:30,202 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2023-12-16 04:20:30,271 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 22 proven. 66 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2023-12-16 04:20:30,271 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-16 04:20:30,530 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 3 proven. 33 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2023-12-16 04:20:30,530 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 04:20:30,530 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [941069765] [2023-12-16 04:20:30,530 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-16 04:20:30,531 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [675080771] [2023-12-16 04:20:30,531 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [675080771] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-16 04:20:30,531 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-16 04:20:30,531 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 20 [2023-12-16 04:20:30,531 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [267318151] [2023-12-16 04:20:30,531 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-16 04:20:30,531 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-12-16 04:20:30,532 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 04:20:30,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-12-16 04:20:30,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=320, Unknown=0, NotChecked=0, Total=380 [2023-12-16 04:20:30,533 INFO L87 Difference]: Start difference. First operand 200 states and 274 transitions. Second operand has 20 states, 18 states have (on average 3.388888888888889) internal successors, (61), 20 states have internal predecessors, (61), 4 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (26), 2 states have call predecessors, (26), 4 states have call successors, (26) [2023-12-16 04:20:31,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 04:20:31,495 INFO L93 Difference]: Finished difference Result 464 states and 624 transitions. [2023-12-16 04:20:31,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-12-16 04:20:31,495 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 18 states have (on average 3.388888888888889) internal successors, (61), 20 states have internal predecessors, (61), 4 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (26), 2 states have call predecessors, (26), 4 states have call successors, (26) Word has length 104 [2023-12-16 04:20:31,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 04:20:31,498 INFO L225 Difference]: With dead ends: 464 [2023-12-16 04:20:31,498 INFO L226 Difference]: Without dead ends: 273 [2023-12-16 04:20:31,499 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 228 GetRequests, 186 SyntacticMatches, 3 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 281 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=275, Invalid=1365, Unknown=0, NotChecked=0, Total=1640 [2023-12-16 04:20:31,499 INFO L413 NwaCegarLoop]: 115 mSDtfsCounter, 477 mSDsluCounter, 1001 mSDsCounter, 0 mSdLazyCounter, 842 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 479 SdHoareTripleChecker+Valid, 1116 SdHoareTripleChecker+Invalid, 897 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 842 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-16 04:20:31,500 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [479 Valid, 1116 Invalid, 897 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 842 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-16 04:20:31,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 273 states. [2023-12-16 04:20:31,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 273 to 205. [2023-12-16 04:20:31,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 205 states, 165 states have (on average 1.2787878787878788) internal successors, (211), 167 states have internal predecessors, (211), 30 states have call successors, (30), 9 states have call predecessors, (30), 9 states have return successors, (30), 28 states have call predecessors, (30), 30 states have call successors, (30) [2023-12-16 04:20:31,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 271 transitions. [2023-12-16 04:20:31,516 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 271 transitions. Word has length 104 [2023-12-16 04:20:31,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 04:20:31,517 INFO L495 AbstractCegarLoop]: Abstraction has 205 states and 271 transitions. [2023-12-16 04:20:31,517 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 18 states have (on average 3.388888888888889) internal successors, (61), 20 states have internal predecessors, (61), 4 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (26), 2 states have call predecessors, (26), 4 states have call successors, (26) [2023-12-16 04:20:31,517 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 271 transitions. [2023-12-16 04:20:31,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2023-12-16 04:20:31,518 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 04:20:31,518 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 04:20:31,528 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-12-16 04:20:31,725 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-12-16 04:20:31,725 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 04:20:31,726 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 04:20:31,726 INFO L85 PathProgramCache]: Analyzing trace with hash 188775862, now seen corresponding path program 1 times [2023-12-16 04:20:31,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 04:20:31,726 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [65680390] [2023-12-16 04:20:31,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 04:20:31,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 04:20:31,743 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-16 04:20:31,743 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1987288998] [2023-12-16 04:20:31,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 04:20:31,743 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 04:20:31,744 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 04:20:31,745 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-16 04:20:31,747 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-12-16 04:20:31,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:20:31,914 INFO L262 TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-16 04:20:31,917 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 04:20:31,945 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 40 [2023-12-16 04:20:31,973 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-16 04:20:31,974 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 33 [2023-12-16 04:20:31,977 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 17 [2023-12-16 04:20:31,995 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-16 04:20:31,995 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 04:20:31,995 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 04:20:31,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [65680390] [2023-12-16 04:20:31,995 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-16 04:20:31,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1987288998] [2023-12-16 04:20:31,995 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1987288998] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 04:20:31,996 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 04:20:31,996 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-16 04:20:31,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [653200934] [2023-12-16 04:20:31,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 04:20:31,996 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-16 04:20:31,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 04:20:31,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-16 04:20:31,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-12-16 04:20:31,997 INFO L87 Difference]: Start difference. First operand 205 states and 271 transitions. Second operand has 6 states, 6 states have (on average 7.0) internal successors, (42), 6 states have internal predecessors, (42), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-16 04:20:32,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 04:20:32,224 INFO L93 Difference]: Finished difference Result 420 states and 549 transitions. [2023-12-16 04:20:32,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-16 04:20:32,224 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 6 states have internal predecessors, (42), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 104 [2023-12-16 04:20:32,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 04:20:32,226 INFO L225 Difference]: With dead ends: 420 [2023-12-16 04:20:32,226 INFO L226 Difference]: Without dead ends: 228 [2023-12-16 04:20:32,226 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-12-16 04:20:32,227 INFO L413 NwaCegarLoop]: 192 mSDtfsCounter, 226 mSDsluCounter, 405 mSDsCounter, 0 mSdLazyCounter, 147 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 226 SdHoareTripleChecker+Valid, 597 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-16 04:20:32,227 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [226 Valid, 597 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 147 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-16 04:20:32,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2023-12-16 04:20:32,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 201. [2023-12-16 04:20:32,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 201 states, 162 states have (on average 1.2654320987654322) internal successors, (205), 164 states have internal predecessors, (205), 28 states have call successors, (28), 10 states have call predecessors, (28), 10 states have return successors, (28), 26 states have call predecessors, (28), 28 states have call successors, (28) [2023-12-16 04:20:32,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 261 transitions. [2023-12-16 04:20:32,243 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 261 transitions. Word has length 104 [2023-12-16 04:20:32,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 04:20:32,243 INFO L495 AbstractCegarLoop]: Abstraction has 201 states and 261 transitions. [2023-12-16 04:20:32,244 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 6 states have internal predecessors, (42), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-16 04:20:32,244 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 261 transitions. [2023-12-16 04:20:32,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-12-16 04:20:32,245 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 04:20:32,245 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 04:20:32,256 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2023-12-16 04:20:32,451 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2023-12-16 04:20:32,452 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 04:20:32,452 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 04:20:32,452 INFO L85 PathProgramCache]: Analyzing trace with hash -709435251, now seen corresponding path program 1 times [2023-12-16 04:20:32,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 04:20:32,452 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [410047553] [2023-12-16 04:20:32,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 04:20:32,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 04:20:32,470 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-16 04:20:32,471 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [409859706] [2023-12-16 04:20:32,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 04:20:32,471 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 04:20:32,471 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 04:20:32,472 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-16 04:20:32,489 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-12-16 04:20:32,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:20:32,621 INFO L262 TraceCheckSpWp]: Trace formula consists of 351 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-16 04:20:32,623 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 04:20:32,637 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-16 04:20:32,638 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 04:20:32,638 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 04:20:32,638 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [410047553] [2023-12-16 04:20:32,638 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-16 04:20:32,638 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [409859706] [2023-12-16 04:20:32,638 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [409859706] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 04:20:32,638 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 04:20:32,638 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-16 04:20:32,639 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920372818] [2023-12-16 04:20:32,639 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 04:20:32,639 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-16 04:20:32,639 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 04:20:32,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-16 04:20:32,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-16 04:20:32,640 INFO L87 Difference]: Start difference. First operand 201 states and 261 transitions. Second operand has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-16 04:20:32,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 04:20:32,683 INFO L93 Difference]: Finished difference Result 433 states and 570 transitions. [2023-12-16 04:20:32,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-16 04:20:32,683 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 106 [2023-12-16 04:20:32,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 04:20:32,685 INFO L225 Difference]: With dead ends: 433 [2023-12-16 04:20:32,685 INFO L226 Difference]: Without dead ends: 251 [2023-12-16 04:20:32,685 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-12-16 04:20:32,686 INFO L413 NwaCegarLoop]: 114 mSDtfsCounter, 95 mSDsluCounter, 314 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 428 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 04:20:32,686 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [95 Valid, 428 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 04:20:32,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2023-12-16 04:20:32,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 207. [2023-12-16 04:20:32,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 207 states, 168 states have (on average 1.255952380952381) internal successors, (211), 170 states have internal predecessors, (211), 28 states have call successors, (28), 10 states have call predecessors, (28), 10 states have return successors, (28), 26 states have call predecessors, (28), 28 states have call successors, (28) [2023-12-16 04:20:32,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 267 transitions. [2023-12-16 04:20:32,702 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 267 transitions. Word has length 106 [2023-12-16 04:20:32,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 04:20:32,702 INFO L495 AbstractCegarLoop]: Abstraction has 207 states and 267 transitions. [2023-12-16 04:20:32,702 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-16 04:20:32,702 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 267 transitions. [2023-12-16 04:20:32,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2023-12-16 04:20:32,703 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 04:20:32,703 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 04:20:32,712 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2023-12-16 04:20:32,912 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2023-12-16 04:20:32,912 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 04:20:32,913 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 04:20:32,913 INFO L85 PathProgramCache]: Analyzing trace with hash -1422940516, now seen corresponding path program 1 times [2023-12-16 04:20:32,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 04:20:32,913 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1974231563] [2023-12-16 04:20:32,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 04:20:32,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 04:20:32,931 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-16 04:20:32,931 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [507819563] [2023-12-16 04:20:32,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 04:20:32,931 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 04:20:32,932 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 04:20:32,933 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-16 04:20:32,939 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-12-16 04:20:33,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:20:33,162 INFO L262 TraceCheckSpWp]: Trace formula consists of 376 conjuncts, 29 conjunts are in the unsatisfiable core [2023-12-16 04:20:33,165 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 04:20:33,195 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2023-12-16 04:20:33,348 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 51 [2023-12-16 04:20:33,357 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 28 [2023-12-16 04:20:33,377 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2023-12-16 04:20:33,377 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 04:20:33,377 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 04:20:33,378 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1974231563] [2023-12-16 04:20:33,378 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-16 04:20:33,378 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [507819563] [2023-12-16 04:20:33,378 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [507819563] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 04:20:33,378 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 04:20:33,378 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-12-16 04:20:33,378 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [997425409] [2023-12-16 04:20:33,378 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 04:20:33,378 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-16 04:20:33,379 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 04:20:33,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-16 04:20:33,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2023-12-16 04:20:33,379 INFO L87 Difference]: Start difference. First operand 207 states and 267 transitions. Second operand has 12 states, 11 states have (on average 4.454545454545454) internal successors, (49), 12 states have internal predecessors, (49), 2 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-16 04:20:33,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 04:20:33,861 INFO L93 Difference]: Finished difference Result 284 states and 367 transitions. [2023-12-16 04:20:33,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-12-16 04:20:33,862 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 4.454545454545454) internal successors, (49), 12 states have internal predecessors, (49), 2 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 108 [2023-12-16 04:20:33,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 04:20:33,863 INFO L225 Difference]: With dead ends: 284 [2023-12-16 04:20:33,864 INFO L226 Difference]: Without dead ends: 282 [2023-12-16 04:20:33,864 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=109, Invalid=491, Unknown=0, NotChecked=0, Total=600 [2023-12-16 04:20:33,865 INFO L413 NwaCegarLoop]: 108 mSDtfsCounter, 242 mSDsluCounter, 670 mSDsCounter, 0 mSdLazyCounter, 521 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 263 SdHoareTripleChecker+Valid, 778 SdHoareTripleChecker+Invalid, 527 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 521 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-16 04:20:33,865 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [263 Valid, 778 Invalid, 527 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 521 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-16 04:20:33,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2023-12-16 04:20:33,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 211. [2023-12-16 04:20:33,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 211 states, 172 states have (on average 1.25) internal successors, (215), 174 states have internal predecessors, (215), 28 states have call successors, (28), 10 states have call predecessors, (28), 10 states have return successors, (28), 26 states have call predecessors, (28), 28 states have call successors, (28) [2023-12-16 04:20:33,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 271 transitions. [2023-12-16 04:20:33,881 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 271 transitions. Word has length 108 [2023-12-16 04:20:33,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 04:20:33,882 INFO L495 AbstractCegarLoop]: Abstraction has 211 states and 271 transitions. [2023-12-16 04:20:33,882 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 4.454545454545454) internal successors, (49), 12 states have internal predecessors, (49), 2 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-16 04:20:33,882 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 271 transitions. [2023-12-16 04:20:33,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2023-12-16 04:20:33,883 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 04:20:33,883 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 04:20:33,891 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2023-12-16 04:20:34,088 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2023-12-16 04:20:34,088 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 04:20:34,089 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 04:20:34,089 INFO L85 PathProgramCache]: Analyzing trace with hash -1422880934, now seen corresponding path program 1 times [2023-12-16 04:20:34,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 04:20:34,089 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [262070798] [2023-12-16 04:20:34,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 04:20:34,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 04:20:34,109 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-16 04:20:34,109 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1378728777] [2023-12-16 04:20:34,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 04:20:34,109 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 04:20:34,109 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 04:20:34,111 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-16 04:20:34,119 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2023-12-16 04:20:34,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:20:34,272 INFO L262 TraceCheckSpWp]: Trace formula consists of 371 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-16 04:20:34,275 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 04:20:34,287 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2023-12-16 04:20:34,299 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2023-12-16 04:20:34,310 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 17 [2023-12-16 04:20:34,429 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 37 [2023-12-16 04:20:34,439 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-16 04:20:34,439 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 04:20:34,439 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 04:20:34,439 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [262070798] [2023-12-16 04:20:34,440 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-16 04:20:34,440 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1378728777] [2023-12-16 04:20:34,440 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1378728777] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 04:20:34,440 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 04:20:34,440 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-16 04:20:34,440 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1488128220] [2023-12-16 04:20:34,440 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 04:20:34,440 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-16 04:20:34,441 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 04:20:34,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-16 04:20:34,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-12-16 04:20:34,441 INFO L87 Difference]: Start difference. First operand 211 states and 271 transitions. Second operand has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-16 04:20:34,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 04:20:34,584 INFO L93 Difference]: Finished difference Result 439 states and 566 transitions. [2023-12-16 04:20:34,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-16 04:20:34,585 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 108 [2023-12-16 04:20:34,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 04:20:34,587 INFO L225 Difference]: With dead ends: 439 [2023-12-16 04:20:34,587 INFO L226 Difference]: Without dead ends: 247 [2023-12-16 04:20:34,587 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-12-16 04:20:34,588 INFO L413 NwaCegarLoop]: 148 mSDtfsCounter, 175 mSDsluCounter, 338 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 486 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-16 04:20:34,588 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [175 Valid, 486 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-16 04:20:34,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2023-12-16 04:20:34,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 211. [2023-12-16 04:20:34,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 211 states, 172 states have (on average 1.2383720930232558) internal successors, (213), 174 states have internal predecessors, (213), 28 states have call successors, (28), 10 states have call predecessors, (28), 10 states have return successors, (28), 26 states have call predecessors, (28), 28 states have call successors, (28) [2023-12-16 04:20:34,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 269 transitions. [2023-12-16 04:20:34,605 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 269 transitions. Word has length 108 [2023-12-16 04:20:34,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 04:20:34,606 INFO L495 AbstractCegarLoop]: Abstraction has 211 states and 269 transitions. [2023-12-16 04:20:34,606 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-16 04:20:34,606 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 269 transitions. [2023-12-16 04:20:34,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2023-12-16 04:20:34,607 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 04:20:34,607 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 04:20:34,616 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2023-12-16 04:20:34,814 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 04:20:34,814 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 04:20:34,814 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 04:20:34,814 INFO L85 PathProgramCache]: Analyzing trace with hash -1365622632, now seen corresponding path program 1 times [2023-12-16 04:20:34,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 04:20:34,815 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [583386634] [2023-12-16 04:20:34,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 04:20:34,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 04:20:34,829 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-16 04:20:34,829 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2910492] [2023-12-16 04:20:34,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 04:20:34,830 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 04:20:34,830 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 04:20:34,831 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-16 04:20:34,837 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2023-12-16 04:20:34,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:20:34,987 INFO L262 TraceCheckSpWp]: Trace formula consists of 366 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-16 04:20:34,997 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 04:20:35,005 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2023-12-16 04:20:35,042 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-16 04:20:35,042 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 04:20:35,042 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 04:20:35,042 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [583386634] [2023-12-16 04:20:35,042 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-16 04:20:35,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2910492] [2023-12-16 04:20:35,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2910492] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 04:20:35,043 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 04:20:35,043 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-16 04:20:35,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [386668648] [2023-12-16 04:20:35,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 04:20:35,043 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-16 04:20:35,043 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 04:20:35,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-16 04:20:35,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-16 04:20:35,044 INFO L87 Difference]: Start difference. First operand 211 states and 269 transitions. Second operand has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-16 04:20:35,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 04:20:35,126 INFO L93 Difference]: Finished difference Result 418 states and 532 transitions. [2023-12-16 04:20:35,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-16 04:20:35,127 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 108 [2023-12-16 04:20:35,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 04:20:35,128 INFO L225 Difference]: With dead ends: 418 [2023-12-16 04:20:35,128 INFO L226 Difference]: Without dead ends: 226 [2023-12-16 04:20:35,129 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-12-16 04:20:35,129 INFO L413 NwaCegarLoop]: 130 mSDtfsCounter, 82 mSDsluCounter, 298 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 428 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 04:20:35,129 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 428 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 04:20:35,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2023-12-16 04:20:35,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 225. [2023-12-16 04:20:35,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 225 states, 181 states have (on average 1.2154696132596685) internal successors, (220), 183 states have internal predecessors, (220), 31 states have call successors, (31), 12 states have call predecessors, (31), 12 states have return successors, (31), 29 states have call predecessors, (31), 31 states have call successors, (31) [2023-12-16 04:20:35,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 282 transitions. [2023-12-16 04:20:35,155 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 282 transitions. Word has length 108 [2023-12-16 04:20:35,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 04:20:35,155 INFO L495 AbstractCegarLoop]: Abstraction has 225 states and 282 transitions. [2023-12-16 04:20:35,156 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-16 04:20:35,156 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 282 transitions. [2023-12-16 04:20:35,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2023-12-16 04:20:35,157 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 04:20:35,157 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 04:20:35,166 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2023-12-16 04:20:35,364 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2023-12-16 04:20:35,364 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 04:20:35,364 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 04:20:35,364 INFO L85 PathProgramCache]: Analyzing trace with hash 2119998038, now seen corresponding path program 1 times [2023-12-16 04:20:35,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 04:20:35,364 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [271959059] [2023-12-16 04:20:35,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 04:20:35,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 04:20:35,380 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-16 04:20:35,380 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [933610966] [2023-12-16 04:20:35,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 04:20:35,381 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 04:20:35,381 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 04:20:35,382 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-16 04:20:35,392 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2023-12-16 04:20:35,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:20:35,555 INFO L262 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-16 04:20:35,557 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 04:20:35,570 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-16 04:20:35,570 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 04:20:35,571 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 04:20:35,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [271959059] [2023-12-16 04:20:35,571 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-16 04:20:35,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [933610966] [2023-12-16 04:20:35,571 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [933610966] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 04:20:35,571 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 04:20:35,571 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-16 04:20:35,571 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1196238790] [2023-12-16 04:20:35,571 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 04:20:35,571 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-16 04:20:35,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 04:20:35,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-16 04:20:35,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-16 04:20:35,572 INFO L87 Difference]: Start difference. First operand 225 states and 282 transitions. Second operand has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-16 04:20:35,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 04:20:35,616 INFO L93 Difference]: Finished difference Result 441 states and 551 transitions. [2023-12-16 04:20:35,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-16 04:20:35,616 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 108 [2023-12-16 04:20:35,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 04:20:35,618 INFO L225 Difference]: With dead ends: 441 [2023-12-16 04:20:35,618 INFO L226 Difference]: Without dead ends: 241 [2023-12-16 04:20:35,618 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-12-16 04:20:35,619 INFO L413 NwaCegarLoop]: 114 mSDtfsCounter, 29 mSDsluCounter, 319 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 433 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 04:20:35,619 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 433 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 04:20:35,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241 states. [2023-12-16 04:20:35,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 231. [2023-12-16 04:20:35,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 231 states, 187 states have (on average 1.2085561497326203) internal successors, (226), 189 states have internal predecessors, (226), 31 states have call successors, (31), 12 states have call predecessors, (31), 12 states have return successors, (31), 29 states have call predecessors, (31), 31 states have call successors, (31) [2023-12-16 04:20:35,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 288 transitions. [2023-12-16 04:20:35,641 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 288 transitions. Word has length 108 [2023-12-16 04:20:35,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 04:20:35,641 INFO L495 AbstractCegarLoop]: Abstraction has 231 states and 288 transitions. [2023-12-16 04:20:35,642 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-16 04:20:35,642 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 288 transitions. [2023-12-16 04:20:35,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2023-12-16 04:20:35,643 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 04:20:35,643 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 04:20:35,655 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2023-12-16 04:20:35,850 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2023-12-16 04:20:35,851 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 04:20:35,851 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 04:20:35,851 INFO L85 PathProgramCache]: Analyzing trace with hash 399599112, now seen corresponding path program 1 times [2023-12-16 04:20:35,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 04:20:35,851 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [840503636] [2023-12-16 04:20:35,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 04:20:35,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 04:20:35,869 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-16 04:20:35,869 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [785952735] [2023-12-16 04:20:35,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 04:20:35,869 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 04:20:35,869 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 04:20:35,870 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-16 04:20:35,888 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2023-12-16 04:20:36,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:20:36,028 INFO L262 TraceCheckSpWp]: Trace formula consists of 362 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-16 04:20:36,031 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 04:20:36,061 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-16 04:20:36,061 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 04:20:36,061 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 04:20:36,062 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [840503636] [2023-12-16 04:20:36,062 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-16 04:20:36,062 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [785952735] [2023-12-16 04:20:36,062 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [785952735] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 04:20:36,062 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 04:20:36,062 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-16 04:20:36,062 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [761925849] [2023-12-16 04:20:36,062 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 04:20:36,062 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-16 04:20:36,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 04:20:36,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-16 04:20:36,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-16 04:20:36,063 INFO L87 Difference]: Start difference. First operand 231 states and 288 transitions. Second operand has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-16 04:20:36,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 04:20:36,103 INFO L93 Difference]: Finished difference Result 535 states and 675 transitions. [2023-12-16 04:20:36,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-16 04:20:36,103 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 108 [2023-12-16 04:20:36,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 04:20:36,105 INFO L225 Difference]: With dead ends: 535 [2023-12-16 04:20:36,105 INFO L226 Difference]: Without dead ends: 329 [2023-12-16 04:20:36,105 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 105 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 04:20:36,106 INFO L413 NwaCegarLoop]: 119 mSDtfsCounter, 104 mSDsluCounter, 205 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 324 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 04:20:36,106 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 324 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 04:20:36,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 329 states. [2023-12-16 04:20:36,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 329 to 267. [2023-12-16 04:20:36,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 267 states, 223 states have (on average 1.242152466367713) internal successors, (277), 225 states have internal predecessors, (277), 31 states have call successors, (31), 12 states have call predecessors, (31), 12 states have return successors, (31), 29 states have call predecessors, (31), 31 states have call successors, (31) [2023-12-16 04:20:36,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 267 states and 339 transitions. [2023-12-16 04:20:36,127 INFO L78 Accepts]: Start accepts. Automaton has 267 states and 339 transitions. Word has length 108 [2023-12-16 04:20:36,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 04:20:36,127 INFO L495 AbstractCegarLoop]: Abstraction has 267 states and 339 transitions. [2023-12-16 04:20:36,127 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-16 04:20:36,127 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 339 transitions. [2023-12-16 04:20:36,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-12-16 04:20:36,128 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 04:20:36,128 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 04:20:36,135 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2023-12-16 04:20:36,335 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2023-12-16 04:20:36,335 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 04:20:36,336 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 04:20:36,336 INFO L85 PathProgramCache]: Analyzing trace with hash 1669399309, now seen corresponding path program 1 times [2023-12-16 04:20:36,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 04:20:36,336 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1285394645] [2023-12-16 04:20:36,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 04:20:36,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 04:20:36,350 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-16 04:20:36,350 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1149869492] [2023-12-16 04:20:36,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 04:20:36,351 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 04:20:36,351 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 04:20:36,352 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-16 04:20:36,358 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2023-12-16 04:20:36,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:20:36,500 INFO L262 TraceCheckSpWp]: Trace formula consists of 375 conjuncts, 25 conjunts are in the unsatisfiable core [2023-12-16 04:20:36,506 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 04:20:36,520 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2023-12-16 04:20:36,539 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 55 [2023-12-16 04:20:36,541 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2023-12-16 04:20:36,550 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2023-12-16 04:20:36,721 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-16 04:20:36,721 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 80 treesize of output 42 [2023-12-16 04:20:36,781 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2023-12-16 04:20:36,781 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-16 04:20:37,068 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-16 04:20:37,068 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 04:20:37,069 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1285394645] [2023-12-16 04:20:37,069 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-16 04:20:37,069 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1149869492] [2023-12-16 04:20:37,069 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1149869492] provided 1 perfect and 1 imperfect interpolant sequences [2023-12-16 04:20:37,069 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-16 04:20:37,069 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [11] total 14 [2023-12-16 04:20:37,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1955780708] [2023-12-16 04:20:37,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 04:20:37,069 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-16 04:20:37,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 04:20:37,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-16 04:20:37,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2023-12-16 04:20:37,070 INFO L87 Difference]: Start difference. First operand 267 states and 339 transitions. Second operand has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-16 04:20:37,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 04:20:37,663 INFO L93 Difference]: Finished difference Result 844 states and 1067 transitions. [2023-12-16 04:20:37,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-12-16 04:20:37,664 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 110 [2023-12-16 04:20:37,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 04:20:37,669 INFO L225 Difference]: With dead ends: 844 [2023-12-16 04:20:37,669 INFO L226 Difference]: Without dead ends: 602 [2023-12-16 04:20:37,670 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 229 GetRequests, 205 SyntacticMatches, 2 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=113, Invalid=439, Unknown=0, NotChecked=0, Total=552 [2023-12-16 04:20:37,671 INFO L413 NwaCegarLoop]: 210 mSDtfsCounter, 315 mSDsluCounter, 1096 mSDsCounter, 0 mSdLazyCounter, 304 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 315 SdHoareTripleChecker+Valid, 1306 SdHoareTripleChecker+Invalid, 308 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 304 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-16 04:20:37,671 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [315 Valid, 1306 Invalid, 308 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 304 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-16 04:20:37,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 602 states. [2023-12-16 04:20:37,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 602 to 436. [2023-12-16 04:20:37,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 436 states, 373 states have (on average 1.2439678284182305) internal successors, (464), 377 states have internal predecessors, (464), 43 states have call successors, (43), 19 states have call predecessors, (43), 19 states have return successors, (43), 39 states have call predecessors, (43), 43 states have call successors, (43) [2023-12-16 04:20:37,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 436 states and 550 transitions. [2023-12-16 04:20:37,710 INFO L78 Accepts]: Start accepts. Automaton has 436 states and 550 transitions. Word has length 110 [2023-12-16 04:20:37,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 04:20:37,711 INFO L495 AbstractCegarLoop]: Abstraction has 436 states and 550 transitions. [2023-12-16 04:20:37,711 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-16 04:20:37,711 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 550 transitions. [2023-12-16 04:20:37,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-12-16 04:20:37,712 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 04:20:37,712 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 04:20:37,723 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2023-12-16 04:20:37,923 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2023-12-16 04:20:37,923 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 04:20:37,924 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 04:20:37,924 INFO L85 PathProgramCache]: Analyzing trace with hash 658282059, now seen corresponding path program 1 times [2023-12-16 04:20:37,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 04:20:37,924 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [831729987] [2023-12-16 04:20:37,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 04:20:37,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 04:20:37,956 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-16 04:20:37,957 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1088344599] [2023-12-16 04:20:37,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 04:20:37,957 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 04:20:37,957 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 04:20:37,958 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-16 04:20:37,964 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2023-12-16 04:20:38,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:20:38,144 INFO L262 TraceCheckSpWp]: Trace formula consists of 375 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-16 04:20:38,147 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 04:20:38,274 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 45 [2023-12-16 04:20:38,278 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 73 [2023-12-16 04:20:38,313 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 39 [2023-12-16 04:20:38,511 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-16 04:20:38,511 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 76 treesize of output 36 [2023-12-16 04:20:38,523 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-16 04:20:38,523 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 04:20:38,523 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 04:20:38,523 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [831729987] [2023-12-16 04:20:38,523 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-16 04:20:38,523 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1088344599] [2023-12-16 04:20:38,523 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1088344599] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 04:20:38,523 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 04:20:38,523 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-16 04:20:38,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1632978057] [2023-12-16 04:20:38,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 04:20:38,524 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-16 04:20:38,524 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 04:20:38,524 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-16 04:20:38,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-12-16 04:20:38,525 INFO L87 Difference]: Start difference. First operand 436 states and 550 transitions. Second operand has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 6 states have internal predecessors, (48), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-16 04:20:38,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 04:20:38,777 INFO L93 Difference]: Finished difference Result 961 states and 1210 transitions. [2023-12-16 04:20:38,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-16 04:20:38,778 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 6 states have internal predecessors, (48), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 110 [2023-12-16 04:20:38,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 04:20:38,780 INFO L225 Difference]: With dead ends: 961 [2023-12-16 04:20:38,780 INFO L226 Difference]: Without dead ends: 550 [2023-12-16 04:20:38,781 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2023-12-16 04:20:38,782 INFO L413 NwaCegarLoop]: 201 mSDtfsCounter, 284 mSDsluCounter, 425 mSDsCounter, 0 mSdLazyCounter, 219 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 284 SdHoareTripleChecker+Valid, 626 SdHoareTripleChecker+Invalid, 232 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 219 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-16 04:20:38,782 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [284 Valid, 626 Invalid, 232 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 219 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-16 04:20:38,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 550 states. [2023-12-16 04:20:38,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 550 to 424. [2023-12-16 04:20:38,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 424 states, 361 states have (on average 1.2409972299168974) internal successors, (448), 365 states have internal predecessors, (448), 43 states have call successors, (43), 19 states have call predecessors, (43), 19 states have return successors, (43), 39 states have call predecessors, (43), 43 states have call successors, (43) [2023-12-16 04:20:38,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 424 states and 534 transitions. [2023-12-16 04:20:38,818 INFO L78 Accepts]: Start accepts. Automaton has 424 states and 534 transitions. Word has length 110 [2023-12-16 04:20:38,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 04:20:38,819 INFO L495 AbstractCegarLoop]: Abstraction has 424 states and 534 transitions. [2023-12-16 04:20:38,819 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 6 states have internal predecessors, (48), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-16 04:20:38,819 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 534 transitions. [2023-12-16 04:20:38,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-12-16 04:20:38,820 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 04:20:38,820 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 04:20:38,828 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2023-12-16 04:20:39,027 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 04:20:39,028 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 04:20:39,028 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 04:20:39,028 INFO L85 PathProgramCache]: Analyzing trace with hash -1239364593, now seen corresponding path program 1 times [2023-12-16 04:20:39,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 04:20:39,028 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [824236156] [2023-12-16 04:20:39,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 04:20:39,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 04:20:39,046 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-16 04:20:39,046 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [872945826] [2023-12-16 04:20:39,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 04:20:39,046 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 04:20:39,046 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 04:20:39,047 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-16 04:20:39,051 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2023-12-16 04:20:39,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:20:39,228 INFO L262 TraceCheckSpWp]: Trace formula consists of 375 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-16 04:20:39,231 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 04:20:39,350 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 45 [2023-12-16 04:20:39,353 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 73 [2023-12-16 04:20:39,415 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 20 [2023-12-16 04:20:39,598 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-16 04:20:39,599 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 76 treesize of output 36 [2023-12-16 04:20:39,618 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-16 04:20:39,618 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 04:20:39,618 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 04:20:39,618 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [824236156] [2023-12-16 04:20:39,618 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-16 04:20:39,618 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [872945826] [2023-12-16 04:20:39,618 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [872945826] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 04:20:39,618 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 04:20:39,619 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-16 04:20:39,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1263840718] [2023-12-16 04:20:39,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 04:20:39,619 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-16 04:20:39,619 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 04:20:39,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-16 04:20:39,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-12-16 04:20:39,620 INFO L87 Difference]: Start difference. First operand 424 states and 534 transitions. Second operand has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 6 states have internal predecessors, (48), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-16 04:20:39,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 04:20:39,897 INFO L93 Difference]: Finished difference Result 999 states and 1246 transitions. [2023-12-16 04:20:39,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-16 04:20:39,897 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 6 states have internal predecessors, (48), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 110 [2023-12-16 04:20:39,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 04:20:39,899 INFO L225 Difference]: With dead ends: 999 [2023-12-16 04:20:39,900 INFO L226 Difference]: Without dead ends: 600 [2023-12-16 04:20:39,901 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2023-12-16 04:20:39,901 INFO L413 NwaCegarLoop]: 171 mSDtfsCounter, 189 mSDsluCounter, 432 mSDsCounter, 0 mSdLazyCounter, 241 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 189 SdHoareTripleChecker+Valid, 603 SdHoareTripleChecker+Invalid, 242 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 241 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-16 04:20:39,901 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [189 Valid, 603 Invalid, 242 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 241 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-16 04:20:39,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 600 states. [2023-12-16 04:20:39,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 600 to 428. [2023-12-16 04:20:39,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 428 states, 364 states have (on average 1.2335164835164836) internal successors, (449), 368 states have internal predecessors, (449), 43 states have call successors, (43), 20 states have call predecessors, (43), 20 states have return successors, (43), 39 states have call predecessors, (43), 43 states have call successors, (43) [2023-12-16 04:20:39,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 428 states and 535 transitions. [2023-12-16 04:20:39,960 INFO L78 Accepts]: Start accepts. Automaton has 428 states and 535 transitions. Word has length 110 [2023-12-16 04:20:39,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 04:20:39,961 INFO L495 AbstractCegarLoop]: Abstraction has 428 states and 535 transitions. [2023-12-16 04:20:39,961 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 6 states have internal predecessors, (48), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-16 04:20:39,961 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 535 transitions. [2023-12-16 04:20:39,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-12-16 04:20:39,962 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 04:20:39,962 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 04:20:39,975 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2023-12-16 04:20:40,170 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 04:20:40,170 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 04:20:40,170 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 04:20:40,170 INFO L85 PathProgramCache]: Analyzing trace with hash 2044485453, now seen corresponding path program 1 times [2023-12-16 04:20:40,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 04:20:40,170 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2097422941] [2023-12-16 04:20:40,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 04:20:40,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 04:20:40,191 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-16 04:20:40,191 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [716065120] [2023-12-16 04:20:40,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 04:20:40,192 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 04:20:40,192 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 04:20:40,193 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-16 04:20:40,208 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2023-12-16 04:20:40,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:20:40,355 INFO L262 TraceCheckSpWp]: Trace formula consists of 375 conjuncts, 27 conjunts are in the unsatisfiable core [2023-12-16 04:20:40,359 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 04:20:40,461 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 43 [2023-12-16 04:20:40,464 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 22 [2023-12-16 04:20:40,470 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 24 [2023-12-16 04:20:40,668 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-16 04:20:40,669 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 64 treesize of output 32 [2023-12-16 04:20:40,723 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2023-12-16 04:20:40,724 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-16 04:20:40,989 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-16 04:20:40,989 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 04:20:40,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2097422941] [2023-12-16 04:20:40,989 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-16 04:20:40,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [716065120] [2023-12-16 04:20:40,989 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [716065120] provided 1 perfect and 1 imperfect interpolant sequences [2023-12-16 04:20:40,989 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-16 04:20:40,989 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [11] total 16 [2023-12-16 04:20:40,990 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [152838974] [2023-12-16 04:20:40,990 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 04:20:40,990 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-16 04:20:40,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 04:20:40,991 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-16 04:20:40,991 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=200, Unknown=0, NotChecked=0, Total=240 [2023-12-16 04:20:40,991 INFO L87 Difference]: Start difference. First operand 428 states and 535 transitions. Second operand has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-16 04:20:41,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 04:20:41,528 INFO L93 Difference]: Finished difference Result 1069 states and 1328 transitions. [2023-12-16 04:20:41,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-16 04:20:41,528 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 110 [2023-12-16 04:20:41,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 04:20:41,531 INFO L225 Difference]: With dead ends: 1069 [2023-12-16 04:20:41,531 INFO L226 Difference]: Without dead ends: 670 [2023-12-16 04:20:41,532 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 227 GetRequests, 203 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 109 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=113, Invalid=487, Unknown=0, NotChecked=0, Total=600 [2023-12-16 04:20:41,533 INFO L413 NwaCegarLoop]: 213 mSDtfsCounter, 240 mSDsluCounter, 1097 mSDsCounter, 0 mSdLazyCounter, 300 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 240 SdHoareTripleChecker+Valid, 1310 SdHoareTripleChecker+Invalid, 304 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 300 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-16 04:20:41,533 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [240 Valid, 1310 Invalid, 304 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 300 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-16 04:20:41,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 670 states. [2023-12-16 04:20:41,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 670 to 550. [2023-12-16 04:20:41,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 550 states, 461 states have (on average 1.2147505422993492) internal successors, (560), 467 states have internal predecessors, (560), 59 states have call successors, (59), 29 states have call predecessors, (59), 29 states have return successors, (59), 53 states have call predecessors, (59), 59 states have call successors, (59) [2023-12-16 04:20:41,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 550 states to 550 states and 678 transitions. [2023-12-16 04:20:41,586 INFO L78 Accepts]: Start accepts. Automaton has 550 states and 678 transitions. Word has length 110 [2023-12-16 04:20:41,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 04:20:41,587 INFO L495 AbstractCegarLoop]: Abstraction has 550 states and 678 transitions. [2023-12-16 04:20:41,587 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-16 04:20:41,587 INFO L276 IsEmpty]: Start isEmpty. Operand 550 states and 678 transitions. [2023-12-16 04:20:41,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2023-12-16 04:20:41,588 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 04:20:41,588 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 04:20:41,596 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2023-12-16 04:20:41,795 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 04:20:41,795 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 04:20:41,795 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 04:20:41,795 INFO L85 PathProgramCache]: Analyzing trace with hash -2081023269, now seen corresponding path program 1 times [2023-12-16 04:20:41,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 04:20:41,796 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1811577230] [2023-12-16 04:20:41,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 04:20:41,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 04:20:41,811 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-16 04:20:41,811 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [457356236] [2023-12-16 04:20:41,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 04:20:41,812 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 04:20:41,812 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 04:20:41,813 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-16 04:20:41,833 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2023-12-16 04:20:41,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:20:41,999 INFO L262 TraceCheckSpWp]: Trace formula consists of 368 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-16 04:20:42,038 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 04:20:42,057 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-16 04:20:42,057 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 04:20:42,057 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 04:20:42,057 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1811577230] [2023-12-16 04:20:42,057 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-16 04:20:42,058 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [457356236] [2023-12-16 04:20:42,058 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [457356236] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 04:20:42,058 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 04:20:42,058 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-16 04:20:42,058 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1069056424] [2023-12-16 04:20:42,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 04:20:42,058 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-16 04:20:42,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 04:20:42,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-16 04:20:42,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-16 04:20:42,059 INFO L87 Difference]: Start difference. First operand 550 states and 678 transitions. Second operand has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 6 states have internal predecessors, (49), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-16 04:20:42,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 04:20:42,156 INFO L93 Difference]: Finished difference Result 1155 states and 1412 transitions. [2023-12-16 04:20:42,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-16 04:20:42,156 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 6 states have internal predecessors, (49), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 111 [2023-12-16 04:20:42,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 04:20:42,159 INFO L225 Difference]: With dead ends: 1155 [2023-12-16 04:20:42,159 INFO L226 Difference]: Without dead ends: 634 [2023-12-16 04:20:42,160 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2023-12-16 04:20:42,161 INFO L413 NwaCegarLoop]: 116 mSDtfsCounter, 38 mSDsluCounter, 428 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 544 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 04:20:42,161 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 544 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 04:20:42,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 634 states. [2023-12-16 04:20:42,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 634 to 556. [2023-12-16 04:20:42,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 556 states, 467 states have (on average 1.2119914346895075) internal successors, (566), 473 states have internal predecessors, (566), 59 states have call successors, (59), 29 states have call predecessors, (59), 29 states have return successors, (59), 53 states have call predecessors, (59), 59 states have call successors, (59) [2023-12-16 04:20:42,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 556 states and 684 transitions. [2023-12-16 04:20:42,222 INFO L78 Accepts]: Start accepts. Automaton has 556 states and 684 transitions. Word has length 111 [2023-12-16 04:20:42,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 04:20:42,223 INFO L495 AbstractCegarLoop]: Abstraction has 556 states and 684 transitions. [2023-12-16 04:20:42,223 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 6 states have internal predecessors, (49), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-16 04:20:42,223 INFO L276 IsEmpty]: Start isEmpty. Operand 556 states and 684 transitions. [2023-12-16 04:20:42,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2023-12-16 04:20:42,224 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 04:20:42,224 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 04:20:42,232 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2023-12-16 04:20:42,431 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 04:20:42,432 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 04:20:42,432 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 04:20:42,432 INFO L85 PathProgramCache]: Analyzing trace with hash -1690866864, now seen corresponding path program 1 times [2023-12-16 04:20:42,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 04:20:42,432 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1240568919] [2023-12-16 04:20:42,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 04:20:42,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 04:20:42,451 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-16 04:20:42,452 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [738542072] [2023-12-16 04:20:42,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 04:20:42,452 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 04:20:42,452 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 04:20:42,453 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-16 04:20:42,468 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2023-12-16 04:20:42,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:20:42,616 INFO L262 TraceCheckSpWp]: Trace formula consists of 379 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-16 04:20:42,618 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 04:20:42,626 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-16 04:20:42,626 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 04:20:42,627 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 04:20:42,627 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1240568919] [2023-12-16 04:20:42,627 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-16 04:20:42,627 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [738542072] [2023-12-16 04:20:42,627 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [738542072] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 04:20:42,627 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 04:20:42,627 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 04:20:42,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [980636867] [2023-12-16 04:20:42,627 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 04:20:42,627 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 04:20:42,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 04:20:42,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 04:20:42,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 04:20:42,628 INFO L87 Difference]: Start difference. First operand 556 states and 684 transitions. Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-16 04:20:42,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 04:20:42,679 INFO L93 Difference]: Finished difference Result 1137 states and 1394 transitions. [2023-12-16 04:20:42,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 04:20:42,680 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 113 [2023-12-16 04:20:42,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 04:20:42,682 INFO L225 Difference]: With dead ends: 1137 [2023-12-16 04:20:42,682 INFO L226 Difference]: Without dead ends: 610 [2023-12-16 04:20:42,684 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 04:20:42,684 INFO L413 NwaCegarLoop]: 122 mSDtfsCounter, 9 mSDsluCounter, 110 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 232 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 04:20:42,684 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 232 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 04:20:42,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 610 states. [2023-12-16 04:20:42,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 610 to 562. [2023-12-16 04:20:42,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 562 states, 473 states have (on average 1.2093023255813953) internal successors, (572), 479 states have internal predecessors, (572), 59 states have call successors, (59), 29 states have call predecessors, (59), 29 states have return successors, (59), 53 states have call predecessors, (59), 59 states have call successors, (59) [2023-12-16 04:20:42,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 562 states to 562 states and 690 transitions. [2023-12-16 04:20:42,732 INFO L78 Accepts]: Start accepts. Automaton has 562 states and 690 transitions. Word has length 113 [2023-12-16 04:20:42,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 04:20:42,732 INFO L495 AbstractCegarLoop]: Abstraction has 562 states and 690 transitions. [2023-12-16 04:20:42,732 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-16 04:20:42,733 INFO L276 IsEmpty]: Start isEmpty. Operand 562 states and 690 transitions. [2023-12-16 04:20:42,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2023-12-16 04:20:42,733 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 04:20:42,734 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 04:20:42,740 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2023-12-16 04:20:42,939 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 04:20:42,939 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 04:20:42,940 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 04:20:42,940 INFO L85 PathProgramCache]: Analyzing trace with hash -411003186, now seen corresponding path program 1 times [2023-12-16 04:20:42,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 04:20:42,940 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [87606631] [2023-12-16 04:20:42,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 04:20:42,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 04:20:42,955 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-16 04:20:42,956 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1948446429] [2023-12-16 04:20:42,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 04:20:42,956 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 04:20:42,956 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 04:20:42,957 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-16 04:20:42,976 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2023-12-16 04:20:43,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:20:43,127 INFO L262 TraceCheckSpWp]: Trace formula consists of 382 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-16 04:20:43,133 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 04:20:43,160 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2023-12-16 04:20:43,177 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2023-12-16 04:20:43,245 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2023-12-16 04:20:43,263 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 23 [2023-12-16 04:20:43,270 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 58 proven. 33 refuted. 0 times theorem prover too weak. 221 trivial. 0 not checked. [2023-12-16 04:20:43,271 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-16 04:20:43,460 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 3 proven. 33 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2023-12-16 04:20:43,460 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 04:20:43,461 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [87606631] [2023-12-16 04:20:43,461 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-16 04:20:43,461 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1948446429] [2023-12-16 04:20:43,461 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1948446429] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-16 04:20:43,461 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-16 04:20:43,461 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2023-12-16 04:20:43,461 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [221087584] [2023-12-16 04:20:43,461 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-16 04:20:43,461 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-12-16 04:20:43,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 04:20:43,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-12-16 04:20:43,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2023-12-16 04:20:43,462 INFO L87 Difference]: Start difference. First operand 562 states and 690 transitions. Second operand has 10 states, 8 states have (on average 7.625) internal successors, (61), 10 states have internal predecessors, (61), 4 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (25), 2 states have call predecessors, (25), 4 states have call successors, (25) [2023-12-16 04:20:43,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 04:20:43,723 INFO L93 Difference]: Finished difference Result 1055 states and 1271 transitions. [2023-12-16 04:20:43,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-16 04:20:43,724 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 7.625) internal successors, (61), 10 states have internal predecessors, (61), 4 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (25), 2 states have call predecessors, (25), 4 states have call successors, (25) Word has length 113 [2023-12-16 04:20:43,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 04:20:43,724 INFO L225 Difference]: With dead ends: 1055 [2023-12-16 04:20:43,724 INFO L226 Difference]: Without dead ends: 0 [2023-12-16 04:20:43,725 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 230 GetRequests, 212 SyntacticMatches, 4 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=170, Unknown=0, NotChecked=0, Total=240 [2023-12-16 04:20:43,726 INFO L413 NwaCegarLoop]: 70 mSDtfsCounter, 131 mSDsluCounter, 226 mSDsCounter, 0 mSdLazyCounter, 268 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 296 SdHoareTripleChecker+Invalid, 286 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 268 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-16 04:20:43,726 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [132 Valid, 296 Invalid, 286 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 268 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-16 04:20:43,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-12-16 04:20:43,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-12-16 04:20:43,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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 04:20:43,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-12-16 04:20:43,727 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 113 [2023-12-16 04:20:43,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 04:20:43,727 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-12-16 04:20:43,727 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 7.625) internal successors, (61), 10 states have internal predecessors, (61), 4 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (25), 2 states have call predecessors, (25), 4 states have call successors, (25) [2023-12-16 04:20:43,727 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-12-16 04:20:43,727 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-16 04:20:43,729 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-16 04:20:43,736 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2023-12-16 04:20:43,933 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,25 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 04:20:43,935 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-12-16 04:21:07,803 WARN L293 SmtUtils]: Spent 15.24s on a formula simplification. DAG size of input: 392 DAG size of output: 1 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2023-12-16 04:21:15,622 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line 20) the Hoare annotation is: true [2023-12-16 04:21:15,622 INFO L899 garLoopResultBuilder]: For program point L20(line 20) no Hoare annotation was computed. [2023-12-16 04:21:15,623 INFO L899 garLoopResultBuilder]: For program point L20-2(line 20) no Hoare annotation was computed. [2023-12-16 04:21:15,623 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(line 20) no Hoare annotation was computed. [2023-12-16 04:21:15,623 INFO L895 garLoopResultBuilder]: At program point L85(line 85) the Hoare annotation is: (let ((.cse0 (select |#memory_int#1| |~#BOOL_unsigned_char_Array_0~0.base|))) (and (= |~#signed_char_Array_0~0.offset| 0) (<= 1 (mod (select .cse0 3) 256)) (<= (mod (select .cse0 0) 256) 0) (= |~#BOOL_unsigned_char_Array_0~0.offset| 0))) [2023-12-16 04:21:15,623 INFO L899 garLoopResultBuilder]: For program point L85-1(line 85) no Hoare annotation was computed. [2023-12-16 04:21:15,623 INFO L899 garLoopResultBuilder]: For program point L19(line 19) no Hoare annotation was computed. [2023-12-16 04:21:15,623 INFO L899 garLoopResultBuilder]: For program point L19-1(line 19) no Hoare annotation was computed. [2023-12-16 04:21:15,623 INFO L899 garLoopResultBuilder]: For program point L19-3(line 19) no Hoare annotation was computed. [2023-12-16 04:21:15,623 INFO L895 garLoopResultBuilder]: At program point L86(line 86) the Hoare annotation is: (let ((.cse0 (select |#memory_int#1| |~#BOOL_unsigned_char_Array_0~0.base|))) (and (= |~#signed_char_Array_0~0.offset| 0) (<= 1 (mod (select .cse0 3) 256)) (<= (mod (select .cse0 0) 256) 0) (= |~#BOOL_unsigned_char_Array_0~0.offset| 0))) [2023-12-16 04:21:15,623 INFO L899 garLoopResultBuilder]: For program point L86-1(line 86) no Hoare annotation was computed. [2023-12-16 04:21:15,623 INFO L895 garLoopResultBuilder]: At program point L70(line 70) the Hoare annotation is: (let ((.cse20 (select |#memory_int#5| |~#unsigned_short_int_Array_0~0.base|))) (let ((.cse18 (select .cse20 |~#unsigned_short_int_Array_0~0.offset|))) (let ((.cse17 (select |#memory_int#1| |~#BOOL_unsigned_char_Array_0~0.base|)) (.cse13 (mod .cse18 65536)) (.cse19 (mod (select (select |#memory_int#4| |~#unsigned_char_Array_0~0.base|) |~#unsigned_char_Array_0~0.offset|) 256)) (.cse8 (select |#memory_int#2| |~#signed_char_Array_0~0.base|))) (let ((.cse5 (select .cse8 1)) (.cse14 (div .cse13 .cse19)) (.cse10 (mod (select .cse17 4) 256)) (.cse7 (select .cse8 2))) (let ((.cse9 (= (select .cse20 (+ 2 |~#unsigned_short_int_Array_0~0.offset|)) .cse19)) (.cse0 (= |~#signed_char_Array_0~0.offset| 0)) (.cse12 (= (select (select |#memory_int#3| |~#signed_long_int_Array_0~0.base|) |~#signed_long_int_Array_0~0.offset|) .cse7)) (.cse1 (= .cse10 0)) (.cse2 (not (= .cse19 0))) (.cse15 (<= 1 (mod (select .cse17 3) 256))) (.cse3 (<= (+ .cse14 1) .cse13)) (.cse4 (= |~#BOOL_unsigned_char_Array_0~0.offset| 0)) (.cse16 (= .cse5 .cse18))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (let ((.cse6 (<= (+ .cse7 4) (select .cse8 0)))) (or (and (<= .cse5 127) (<= 0 .cse5) .cse6) (and (<= (+ .cse5 1) 0) (<= 0 (+ .cse5 128)) .cse6)))) (let ((.cse11 (= (mod (select .cse17 2) 256) 0))) (and .cse9 (or (= .cse10 1) .cse11) .cse0 .cse12 (<= .cse13 .cse14) .cse2 .cse15 (or .cse1 (not .cse11)) .cse4 .cse16)) (and .cse9 .cse0 .cse12 .cse1 .cse2 .cse15 .cse3 .cse4 .cse16))))))) [2023-12-16 04:21:15,623 INFO L899 garLoopResultBuilder]: For program point L70-1(line 70) no Hoare annotation was computed. [2023-12-16 04:21:15,623 INFO L895 garLoopResultBuilder]: At program point L87(line 87) the Hoare annotation is: (let ((.cse0 (select |#memory_int#1| |~#BOOL_unsigned_char_Array_0~0.base|))) (and (= |~#signed_char_Array_0~0.offset| 0) (<= 1 (mod (select .cse0 3) 256)) (<= (mod (select .cse0 0) 256) 0) (= |~#BOOL_unsigned_char_Array_0~0.offset| 0) (= |ULTIMATE.start_updateVariables_#t~mem55#1| (select (select |#memory_int#4| |~#unsigned_char_Array_0~0.base|) |~#unsigned_char_Array_0~0.offset|)))) [2023-12-16 04:21:15,623 INFO L899 garLoopResultBuilder]: For program point L87-1(line 87) no Hoare annotation was computed. [2023-12-16 04:21:15,623 INFO L899 garLoopResultBuilder]: For program point L54(lines 54 66) no Hoare annotation was computed. [2023-12-16 04:21:15,624 INFO L895 garLoopResultBuilder]: At program point L71(line 71) the Hoare annotation is: (let ((.cse21 (select |#memory_int#5| |~#unsigned_short_int_Array_0~0.base|))) (let ((.cse20 (select .cse21 |~#unsigned_short_int_Array_0~0.offset|))) (let ((.cse18 (select |#memory_int#2| |~#signed_char_Array_0~0.base|)) (.cse13 (select |#memory_int#1| |~#BOOL_unsigned_char_Array_0~0.base|)) (.cse5 (mod .cse20 65536)) (.cse19 (mod (select (select |#memory_int#4| |~#unsigned_char_Array_0~0.base|) |~#unsigned_char_Array_0~0.offset|) 256))) (let ((.cse6 (div .cse5 .cse19)) (.cse1 (mod (select .cse13 4) 256)) (.cse15 (select .cse18 1)) (.cse17 (select .cse18 2))) (let ((.cse0 (= (select .cse21 (+ 2 |~#unsigned_short_int_Array_0~0.offset|)) .cse19)) (.cse4 (= (select (select |#memory_int#3| |~#signed_long_int_Array_0~0.base|) |~#signed_long_int_Array_0~0.offset|) .cse17)) (.cse8 (<= 1 (mod (select .cse13 3) 256))) (.cse12 (= .cse15 .cse20)) (.cse3 (= |~#signed_char_Array_0~0.offset| 0)) (.cse9 (= .cse1 0)) (.cse7 (not (= .cse19 0))) (.cse14 (<= (+ .cse6 1) .cse5)) (.cse10 (= |ULTIMATE.start_updateVariables_#t~mem39#1| (select .cse13 0))) (.cse11 (= |~#BOOL_unsigned_char_Array_0~0.offset| 0))) (or (let ((.cse2 (= (mod (select .cse13 2) 256) 0))) (and .cse0 (or (= .cse1 1) .cse2) .cse3 .cse4 (<= .cse5 .cse6) .cse7 .cse8 (or .cse9 (not .cse2)) .cse10 .cse11 .cse12)) (and .cse0 .cse3 .cse4 .cse9 .cse7 .cse8 .cse14 .cse10 .cse11 .cse12) (and .cse3 .cse9 .cse7 .cse14 .cse10 .cse11 (let ((.cse16 (<= (+ .cse17 4) (select .cse18 0)))) (or (and (<= .cse15 127) (<= 0 .cse15) .cse16) (and (<= (+ .cse15 1) 0) (<= 0 (+ .cse15 128)) .cse16)))))))))) [2023-12-16 04:21:15,624 INFO L899 garLoopResultBuilder]: For program point L71-1(line 71) no Hoare annotation was computed. [2023-12-16 04:21:15,624 INFO L899 garLoopResultBuilder]: For program point L55(line 55) no Hoare annotation was computed. [2023-12-16 04:21:15,624 INFO L899 garLoopResultBuilder]: For program point L55-2(lines 55 65) no Hoare annotation was computed. [2023-12-16 04:21:15,624 INFO L899 garLoopResultBuilder]: For program point L56(lines 56 64) no Hoare annotation was computed. [2023-12-16 04:21:15,624 INFO L895 garLoopResultBuilder]: At program point L73(line 73) the Hoare annotation is: (let ((.cse18 (select |#memory_int#5| |~#unsigned_short_int_Array_0~0.base|))) (let ((.cse14 (select |#memory_int#2| |~#signed_char_Array_0~0.base|)) (.cse17 (select .cse18 |~#unsigned_short_int_Array_0~0.offset|))) (let ((.cse3 (mod .cse17 65536)) (.cse11 (select .cse14 1)) (.cse15 (select |#memory_int#1| |~#BOOL_unsigned_char_Array_0~0.base|)) (.cse13 (select .cse14 2)) (.cse16 (mod (select (select |#memory_int#4| |~#unsigned_char_Array_0~0.base|) |~#unsigned_char_Array_0~0.offset|) 256))) (let ((.cse0 (= (select .cse18 (+ 2 |~#unsigned_short_int_Array_0~0.offset|)) .cse16)) (.cse2 (= (select (select |#memory_int#3| |~#signed_long_int_Array_0~0.base|) |~#signed_long_int_Array_0~0.offset|) .cse13)) (.cse6 (<= 1 (mod (select .cse15 3) 256))) (.cse9 (= .cse11 .cse17)) (.cse1 (= |~#signed_char_Array_0~0.offset| 0)) (.cse10 (= (mod (select .cse15 4) 256) 0)) (.cse5 (not (= .cse16 0))) (.cse4 (div .cse3 .cse16)) (.cse7 (<= (mod (select .cse15 0) 256) 0)) (.cse8 (= |~#BOOL_unsigned_char_Array_0~0.offset| 0))) (or (and .cse0 .cse1 .cse2 (<= .cse3 .cse4) .cse5 .cse6 .cse7 .cse8 .cse9) (and .cse0 .cse1 .cse2 .cse10 .cse5 .cse6 .cse7 .cse8 .cse9) (and .cse1 .cse10 .cse5 (<= (+ .cse4 1) .cse3) .cse7 .cse8 (let ((.cse12 (<= (+ .cse13 4) (select .cse14 0)))) (or (and (<= .cse11 127) (<= 0 .cse11) .cse12) (and (<= (+ .cse11 1) 0) (<= 0 (+ .cse11 128)) .cse12))))))))) [2023-12-16 04:21:15,624 INFO L899 garLoopResultBuilder]: For program point L73-1(line 73) no Hoare annotation was computed. [2023-12-16 04:21:15,624 INFO L899 garLoopResultBuilder]: For program point L57(lines 57 61) no Hoare annotation was computed. [2023-12-16 04:21:15,624 INFO L895 garLoopResultBuilder]: At program point L74(line 74) the Hoare annotation is: (let ((.cse18 (select |#memory_int#5| |~#unsigned_short_int_Array_0~0.base|))) (let ((.cse14 (select |#memory_int#2| |~#signed_char_Array_0~0.base|)) (.cse17 (select .cse18 |~#unsigned_short_int_Array_0~0.offset|))) (let ((.cse3 (mod .cse17 65536)) (.cse11 (select .cse14 1)) (.cse15 (select |#memory_int#1| |~#BOOL_unsigned_char_Array_0~0.base|)) (.cse13 (select .cse14 2)) (.cse16 (mod (select (select |#memory_int#4| |~#unsigned_char_Array_0~0.base|) |~#unsigned_char_Array_0~0.offset|) 256))) (let ((.cse0 (= (select .cse18 (+ 2 |~#unsigned_short_int_Array_0~0.offset|)) .cse16)) (.cse2 (= (select (select |#memory_int#3| |~#signed_long_int_Array_0~0.base|) |~#signed_long_int_Array_0~0.offset|) .cse13)) (.cse6 (<= 1 (mod (select .cse15 3) 256))) (.cse9 (= .cse11 .cse17)) (.cse1 (= |~#signed_char_Array_0~0.offset| 0)) (.cse10 (= (mod (select .cse15 4) 256) 0)) (.cse5 (not (= .cse16 0))) (.cse4 (div .cse3 .cse16)) (.cse7 (<= (mod (select .cse15 0) 256) 0)) (.cse8 (= |~#BOOL_unsigned_char_Array_0~0.offset| 0))) (or (and .cse0 .cse1 .cse2 (<= .cse3 .cse4) .cse5 .cse6 .cse7 .cse8 .cse9) (and .cse0 .cse1 .cse2 .cse10 .cse5 .cse6 .cse7 .cse8 .cse9) (and .cse1 .cse10 .cse5 (<= (+ .cse4 1) .cse3) .cse7 .cse8 (let ((.cse12 (<= (+ .cse13 4) (select .cse14 0)))) (or (and (<= .cse11 127) (<= 0 .cse11) .cse12) (and (<= (+ .cse11 1) 0) (<= 0 (+ .cse11 128)) .cse12))))))))) [2023-12-16 04:21:15,625 INFO L899 garLoopResultBuilder]: For program point L74-1(line 74) no Hoare annotation was computed. [2023-12-16 04:21:15,625 INFO L899 garLoopResultBuilder]: For program point L41(lines 41 67) no Hoare annotation was computed. [2023-12-16 04:21:15,625 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-12-16 04:21:15,625 INFO L895 garLoopResultBuilder]: At program point L76(line 76) the Hoare annotation is: (let ((.cse18 (select |#memory_int#5| |~#unsigned_short_int_Array_0~0.base|))) (let ((.cse15 (select .cse18 |~#unsigned_short_int_Array_0~0.offset|)) (.cse11 (select |#memory_int#2| |~#signed_char_Array_0~0.base|))) (let ((.cse8 (select .cse11 1)) (.cse10 (select .cse11 2)) (.cse16 (select |#memory_int#1| |~#BOOL_unsigned_char_Array_0~0.base|)) (.cse5 (mod .cse15 65536)) (.cse17 (mod (select (select |#memory_int#4| |~#unsigned_char_Array_0~0.base|) |~#unsigned_char_Array_0~0.offset|) 256))) (let ((.cse4 (div .cse5 .cse17)) (.cse0 (= |ULTIMATE.start_updateVariables_#t~mem44#1| (select .cse16 3))) (.cse12 (= (select .cse18 (+ 2 |~#unsigned_short_int_Array_0~0.offset|)) .cse17)) (.cse1 (= |~#signed_char_Array_0~0.offset| 0)) (.cse13 (= (select (select |#memory_int#3| |~#signed_long_int_Array_0~0.base|) |~#signed_long_int_Array_0~0.offset|) .cse10)) (.cse2 (= (mod (select .cse16 4) 256) 0)) (.cse3 (not (= .cse17 0))) (.cse6 (<= (mod (select .cse16 0) 256) 0)) (.cse7 (= |~#BOOL_unsigned_char_Array_0~0.offset| 0)) (.cse14 (= .cse8 .cse15))) (or (and .cse0 .cse1 .cse2 .cse3 (<= (+ .cse4 1) .cse5) .cse6 .cse7 (let ((.cse9 (<= (+ .cse10 4) (select .cse11 0)))) (or (and (<= .cse8 127) (<= 0 .cse8) .cse9) (and (<= (+ .cse8 1) 0) (<= 0 (+ .cse8 128)) .cse9)))) (and .cse0 .cse12 .cse1 .cse13 (<= .cse5 .cse4) .cse3 .cse6 .cse7 .cse14) (and .cse0 .cse12 .cse1 .cse13 .cse2 .cse3 .cse6 .cse7 .cse14)))))) [2023-12-16 04:21:15,625 INFO L899 garLoopResultBuilder]: For program point L76-1(line 76) no Hoare annotation was computed. [2023-12-16 04:21:15,625 INFO L899 garLoopResultBuilder]: For program point L43(lines 43 45) no Hoare annotation was computed. [2023-12-16 04:21:15,625 INFO L899 garLoopResultBuilder]: For program point L43-2(lines 43 45) no Hoare annotation was computed. [2023-12-16 04:21:15,625 INFO L899 garLoopResultBuilder]: For program point L60(line 60) no Hoare annotation was computed. [2023-12-16 04:21:15,625 INFO L899 garLoopResultBuilder]: For program point L60-2(line 60) no Hoare annotation was computed. [2023-12-16 04:21:15,625 INFO L895 garLoopResultBuilder]: At program point L77(line 77) the Hoare annotation is: (let ((.cse5 (select |#memory_int#2| |~#signed_char_Array_0~0.base|))) (let ((.cse0 (= |~#signed_char_Array_0~0.offset| 0)) (.cse1 (select .cse5 2)) (.cse2 (let ((.cse13 (select |#memory_int#5| |~#unsigned_short_int_Array_0~0.base|))) (let ((.cse6 (select |#memory_int#1| |~#BOOL_unsigned_char_Array_0~0.base|)) (.cse10 (mod (select .cse13 |~#unsigned_short_int_Array_0~0.offset|) 65536)) (.cse14 (mod (select (select |#memory_int#4| |~#unsigned_char_Array_0~0.base|) |~#unsigned_char_Array_0~0.offset|) 256))) (let ((.cse9 (div .cse10 .cse14)) (.cse7 (not (= .cse14 0))) (.cse8 (<= 1 (mod (select .cse6 3) 256))) (.cse11 (<= (mod (select .cse6 0) 256) 0)) (.cse12 (= |~#BOOL_unsigned_char_Array_0~0.offset| 0))) (or (and (= (mod (select .cse6 4) 256) 0) .cse7 .cse8 (<= (+ .cse9 1) .cse10) .cse11 .cse12) (and (= (select .cse13 (+ 2 |~#unsigned_short_int_Array_0~0.offset|)) .cse14) (<= .cse10 .cse9) .cse7 .cse8 .cse11 .cse12))))))) (or (and .cse0 (= (select (select |#memory_int#3| |~#signed_long_int_Array_0~0.base|) |~#signed_long_int_Array_0~0.offset|) .cse1) .cse2) (and .cse0 (let ((.cse3 (select .cse5 1)) (.cse4 (<= (+ .cse1 4) (select .cse5 0)))) (or (and (<= .cse3 127) (<= 0 .cse3) .cse4) (and (<= (+ .cse3 1) 0) (<= 0 (+ .cse3 128)) .cse4))) .cse2)))) [2023-12-16 04:21:15,625 INFO L899 garLoopResultBuilder]: For program point L77-1(line 77) no Hoare annotation was computed. [2023-12-16 04:21:15,626 INFO L899 garLoopResultBuilder]: For program point L44(line 44) no Hoare annotation was computed. [2023-12-16 04:21:15,626 INFO L899 garLoopResultBuilder]: For program point L44-2(line 44) no Hoare annotation was computed. [2023-12-16 04:21:15,626 INFO L899 garLoopResultBuilder]: For program point L94(line 94) no Hoare annotation was computed. [2023-12-16 04:21:15,626 INFO L899 garLoopResultBuilder]: For program point L94-1(line 94) no Hoare annotation was computed. [2023-12-16 04:21:15,626 INFO L899 garLoopResultBuilder]: For program point L94-3(line 94) no Hoare annotation was computed. [2023-12-16 04:21:15,626 INFO L899 garLoopResultBuilder]: For program point L94-5(line 94) no Hoare annotation was computed. [2023-12-16 04:21:15,626 INFO L899 garLoopResultBuilder]: For program point L94-7(line 94) no Hoare annotation was computed. [2023-12-16 04:21:15,626 INFO L899 garLoopResultBuilder]: For program point L94-8(line 94) no Hoare annotation was computed. [2023-12-16 04:21:15,626 INFO L899 garLoopResultBuilder]: For program point L94-9(line 94) no Hoare annotation was computed. [2023-12-16 04:21:15,626 INFO L899 garLoopResultBuilder]: For program point L94-10(line 94) no Hoare annotation was computed. [2023-12-16 04:21:15,626 INFO L899 garLoopResultBuilder]: For program point L94-11(line 94) no Hoare annotation was computed. [2023-12-16 04:21:15,626 INFO L899 garLoopResultBuilder]: For program point L94-13(line 94) no Hoare annotation was computed. [2023-12-16 04:21:15,626 INFO L899 garLoopResultBuilder]: For program point L94-15(line 94) no Hoare annotation was computed. [2023-12-16 04:21:15,626 INFO L899 garLoopResultBuilder]: For program point L94-17(line 94) no Hoare annotation was computed. [2023-12-16 04:21:15,627 INFO L899 garLoopResultBuilder]: For program point L94-18(line 94) no Hoare annotation was computed. [2023-12-16 04:21:15,627 INFO L899 garLoopResultBuilder]: For program point L94-19(line 94) no Hoare annotation was computed. [2023-12-16 04:21:15,627 INFO L899 garLoopResultBuilder]: For program point L94-20(line 94) no Hoare annotation was computed. [2023-12-16 04:21:15,627 INFO L899 garLoopResultBuilder]: For program point L94-22(line 94) no Hoare annotation was computed. [2023-12-16 04:21:15,627 INFO L899 garLoopResultBuilder]: For program point L94-23(line 94) no Hoare annotation was computed. [2023-12-16 04:21:15,627 INFO L899 garLoopResultBuilder]: For program point L94-24(line 94) no Hoare annotation was computed. [2023-12-16 04:21:15,627 INFO L899 garLoopResultBuilder]: For program point L94-26(line 94) no Hoare annotation was computed. [2023-12-16 04:21:15,627 INFO L899 garLoopResultBuilder]: For program point L94-28(line 94) no Hoare annotation was computed. [2023-12-16 04:21:15,627 INFO L899 garLoopResultBuilder]: For program point L94-29(line 94) no Hoare annotation was computed. [2023-12-16 04:21:15,627 INFO L899 garLoopResultBuilder]: For program point L94-31(line 94) no Hoare annotation was computed. [2023-12-16 04:21:15,627 INFO L899 garLoopResultBuilder]: For program point L94-33(line 94) no Hoare annotation was computed. [2023-12-16 04:21:15,627 INFO L899 garLoopResultBuilder]: For program point L94-35(line 94) no Hoare annotation was computed. [2023-12-16 04:21:15,627 INFO L899 garLoopResultBuilder]: For program point L94-37(line 94) no Hoare annotation was computed. [2023-12-16 04:21:15,627 INFO L899 garLoopResultBuilder]: For program point L94-38(line 94) no Hoare annotation was computed. [2023-12-16 04:21:15,628 INFO L899 garLoopResultBuilder]: For program point L94-40(line 94) no Hoare annotation was computed. [2023-12-16 04:21:15,628 INFO L899 garLoopResultBuilder]: For program point L94-41(line 94) no Hoare annotation was computed. [2023-12-16 04:21:15,628 INFO L899 garLoopResultBuilder]: For program point L94-43(line 94) no Hoare annotation was computed. [2023-12-16 04:21:15,628 INFO L899 garLoopResultBuilder]: For program point L94-44(line 94) no Hoare annotation was computed. [2023-12-16 04:21:15,628 INFO L899 garLoopResultBuilder]: For program point L94-46(line 94) no Hoare annotation was computed. [2023-12-16 04:21:15,628 INFO L895 garLoopResultBuilder]: At program point L79(line 79) the Hoare annotation is: (and (= |~#signed_char_Array_0~0.offset| 0) (let ((.cse7 (select |#memory_int#5| |~#unsigned_short_int_Array_0~0.base|))) (let ((.cse0 (select |#memory_int#1| |~#BOOL_unsigned_char_Array_0~0.base|)) (.cse4 (mod (select .cse7 |~#unsigned_short_int_Array_0~0.offset|) 65536)) (.cse8 (mod (select (select |#memory_int#4| |~#unsigned_char_Array_0~0.base|) |~#unsigned_char_Array_0~0.offset|) 256))) (let ((.cse3 (div .cse4 .cse8)) (.cse1 (not (= .cse8 0))) (.cse2 (<= 1 (mod (select .cse0 3) 256))) (.cse5 (<= (mod (select .cse0 0) 256) 0)) (.cse6 (= |~#BOOL_unsigned_char_Array_0~0.offset| 0))) (or (and (= (mod (select .cse0 4) 256) 0) .cse1 .cse2 (<= (+ .cse3 1) .cse4) .cse5 .cse6) (and (= (select .cse7 (+ 2 |~#unsigned_short_int_Array_0~0.offset|)) .cse8) (<= .cse4 .cse3) .cse1 .cse2 .cse5 .cse6)))))) [2023-12-16 04:21:15,628 INFO L899 garLoopResultBuilder]: For program point L79-1(line 79) no Hoare annotation was computed. [2023-12-16 04:21:15,628 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-12-16 04:21:15,628 INFO L895 garLoopResultBuilder]: At program point L80(line 80) the Hoare annotation is: (and (= |~#signed_char_Array_0~0.offset| 0) (let ((.cse7 (select |#memory_int#5| |~#unsigned_short_int_Array_0~0.base|))) (let ((.cse0 (select |#memory_int#1| |~#BOOL_unsigned_char_Array_0~0.base|)) (.cse4 (mod (select .cse7 |~#unsigned_short_int_Array_0~0.offset|) 65536)) (.cse8 (mod (select (select |#memory_int#4| |~#unsigned_char_Array_0~0.base|) |~#unsigned_char_Array_0~0.offset|) 256))) (let ((.cse3 (div .cse4 .cse8)) (.cse1 (not (= .cse8 0))) (.cse2 (<= 1 (mod (select .cse0 3) 256))) (.cse5 (<= (mod (select .cse0 0) 256) 0)) (.cse6 (= |~#BOOL_unsigned_char_Array_0~0.offset| 0))) (or (and (= (mod (select .cse0 4) 256) 0) .cse1 .cse2 (<= (+ .cse3 1) .cse4) .cse5 .cse6) (and (= (select .cse7 (+ 2 |~#unsigned_short_int_Array_0~0.offset|)) .cse8) (<= .cse4 .cse3) .cse1 .cse2 .cse5 .cse6)))))) [2023-12-16 04:21:15,628 INFO L899 garLoopResultBuilder]: For program point L80-1(line 80) no Hoare annotation was computed. [2023-12-16 04:21:15,628 INFO L899 garLoopResultBuilder]: For program point L47(lines 47 51) no Hoare annotation was computed. [2023-12-16 04:21:15,628 INFO L899 garLoopResultBuilder]: For program point L47-2(lines 47 51) no Hoare annotation was computed. [2023-12-16 04:21:15,629 INFO L899 garLoopResultBuilder]: For program point L48(line 48) no Hoare annotation was computed. [2023-12-16 04:21:15,629 INFO L899 garLoopResultBuilder]: For program point L48-2(line 48) no Hoare annotation was computed. [2023-12-16 04:21:15,629 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 19) no Hoare annotation was computed. [2023-12-16 04:21:15,629 INFO L895 garLoopResultBuilder]: At program point L82(line 82) the Hoare annotation is: (and (= |~#signed_char_Array_0~0.offset| 0) (let ((.cse7 (select |#memory_int#5| |~#unsigned_short_int_Array_0~0.base|))) (let ((.cse0 (select |#memory_int#1| |~#BOOL_unsigned_char_Array_0~0.base|)) (.cse4 (mod (select .cse7 |~#unsigned_short_int_Array_0~0.offset|) 65536)) (.cse8 (mod (select (select |#memory_int#4| |~#unsigned_char_Array_0~0.base|) |~#unsigned_char_Array_0~0.offset|) 256))) (let ((.cse3 (div .cse4 .cse8)) (.cse1 (not (= .cse8 0))) (.cse2 (<= 1 (mod (select .cse0 3) 256))) (.cse5 (<= (mod (select .cse0 0) 256) 0)) (.cse6 (= |~#BOOL_unsigned_char_Array_0~0.offset| 0))) (or (and (= (mod (select .cse0 4) 256) 0) .cse1 .cse2 (<= (+ .cse3 1) .cse4) .cse5 .cse6) (and (= (select .cse7 (+ 2 |~#unsigned_short_int_Array_0~0.offset|)) .cse8) (<= .cse4 .cse3) .cse1 .cse2 .cse5 .cse6)))))) [2023-12-16 04:21:15,629 INFO L899 garLoopResultBuilder]: For program point L82-1(line 82) no Hoare annotation was computed. [2023-12-16 04:21:15,629 INFO L895 garLoopResultBuilder]: At program point L83(line 83) the Hoare annotation is: (and (= |~#signed_char_Array_0~0.offset| 0) (let ((.cse7 (select |#memory_int#5| |~#unsigned_short_int_Array_0~0.base|))) (let ((.cse0 (select |#memory_int#1| |~#BOOL_unsigned_char_Array_0~0.base|)) (.cse4 (mod (select .cse7 |~#unsigned_short_int_Array_0~0.offset|) 65536)) (.cse8 (mod (select (select |#memory_int#4| |~#unsigned_char_Array_0~0.base|) |~#unsigned_char_Array_0~0.offset|) 256))) (let ((.cse3 (div .cse4 .cse8)) (.cse1 (not (= .cse8 0))) (.cse2 (<= 1 (mod (select .cse0 3) 256))) (.cse5 (<= (mod (select .cse0 0) 256) 0)) (.cse6 (= |~#BOOL_unsigned_char_Array_0~0.offset| 0))) (or (and (= (mod (select .cse0 4) 256) 0) .cse1 .cse2 (<= (+ .cse3 1) .cse4) .cse5 .cse6) (and (= (select .cse7 (+ 2 |~#unsigned_short_int_Array_0~0.offset|)) .cse8) (<= .cse4 .cse3) .cse1 .cse2 .cse5 .cse6)))))) [2023-12-16 04:21:15,629 INFO L899 garLoopResultBuilder]: For program point L83-1(line 83) no Hoare annotation was computed. [2023-12-16 04:21:15,629 INFO L899 garLoopResultBuilder]: For program point L50(line 50) no Hoare annotation was computed. [2023-12-16 04:21:15,629 INFO L899 garLoopResultBuilder]: For program point L50-2(line 50) no Hoare annotation was computed. [2023-12-16 04:21:15,630 INFO L895 garLoopResultBuilder]: At program point L100-2(lines 100 106) the Hoare annotation is: (let ((.cse21 (select |#memory_int#5| |~#unsigned_short_int_Array_0~0.base|))) (let ((.cse19 (select .cse21 |~#unsigned_short_int_Array_0~0.offset|))) (let ((.cse17 (mod .cse19 65536)) (.cse20 (mod (select (select |#memory_int#4| |~#unsigned_char_Array_0~0.base|) |~#unsigned_char_Array_0~0.offset|) 256)) (.cse9 (select |#memory_int#2| |~#signed_char_Array_0~0.base|))) (let ((.cse6 (select .cse9 1)) (.cse11 (select |#memory_int#1| |~#BOOL_unsigned_char_Array_0~0.base|)) (.cse8 (select .cse9 2)) (.cse18 (div .cse17 .cse20))) (let ((.cse4 (<= (+ .cse18 1) .cse17)) (.cse10 (= (select .cse21 (+ 2 |~#unsigned_short_int_Array_0~0.offset|)) .cse20)) (.cse2 (= |~#signed_char_Array_0~0.offset| 0)) (.cse12 (= (select (select |#memory_int#3| |~#signed_long_int_Array_0~0.base|) |~#signed_long_int_Array_0~0.offset|) .cse8)) (.cse3 (not (= .cse20 0))) (.cse13 (<= 1 (mod (select .cse11 3) 256))) (.cse0 (mod (select .cse11 0) 256)) (.cse5 (= |~#BOOL_unsigned_char_Array_0~0.offset| 0)) (.cse14 (= .cse6 .cse19)) (.cse1 (select .cse11 4))) (or (and (= .cse0 0) (= .cse1 0) .cse2 .cse3 .cse4 (<= (mod ~last_1_unsigned_short_int_Array_0_0_~0 65536) (mod ~last_1_unsigned_short_int_Array_0_1_~0 65536)) .cse5 (let ((.cse7 (<= (+ .cse8 4) (select .cse9 0)))) (or (and (<= .cse6 127) (<= 0 .cse6) .cse7) (and (<= (+ .cse6 1) 0) (<= 0 (+ .cse6 128)) .cse7)))) (and .cse10 .cse2 (<= (mod (select .cse11 |~#BOOL_unsigned_char_Array_0~0.offset|) 256) 0) .cse12 .cse3 .cse13 .cse4 .cse5 (= 0 (select .cse11 (+ |~#BOOL_unsigned_char_Array_0~0.offset| 4))) .cse14) (let ((.cse15 (mod .cse1 256)) (.cse16 (= (mod (select .cse11 2) 256) 0))) (and .cse10 (or (= .cse15 1) .cse16) .cse2 .cse12 (<= .cse17 .cse18) .cse3 .cse13 (or (= .cse15 0) (not .cse16)) (<= .cse0 0) .cse5 .cse14)))))))) [2023-12-16 04:21:15,630 INFO L899 garLoopResultBuilder]: For program point L100-3(lines 100 106) no Hoare annotation was computed. [2023-12-16 04:21:15,632 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 04:21:15,634 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-16 04:21:15,645 WARN L1574 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#1[~#BOOL_unsigned_char_Array_0~0!base][0] could not be translated [2023-12-16 04:21:15,647 WARN L1574 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#1[~#BOOL_unsigned_char_Array_0~0!base][4] could not be translated [2023-12-16 04:21:15,648 WARN L1574 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#4[~#unsigned_char_Array_0~0!base][~#unsigned_char_Array_0~0!offset] could not be translated [2023-12-16 04:21:15,648 WARN L1574 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#5[~#unsigned_short_int_Array_0~0!base][~#unsigned_short_int_Array_0~0!offset] could not be translated [2023-12-16 04:21:15,648 WARN L1574 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#4[~#unsigned_char_Array_0~0!base][~#unsigned_char_Array_0~0!offset] could not be translated [2023-12-16 04:21:15,648 WARN L1574 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#5[~#unsigned_short_int_Array_0~0!base][~#unsigned_short_int_Array_0~0!offset] could not be translated [2023-12-16 04:21:15,649 WARN L1574 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#2[~#signed_char_Array_0~0!base][1] could not be translated [2023-12-16 04:21:15,649 WARN L1574 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#2[~#signed_char_Array_0~0!base][1] could not be translated [2023-12-16 04:21:15,650 WARN L1574 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#2[~#signed_char_Array_0~0!base][2] could not be translated [2023-12-16 04:21:15,650 WARN L1574 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#2[~#signed_char_Array_0~0!base][0] could not be translated [2023-12-16 04:21:15,650 WARN L1574 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#2[~#signed_char_Array_0~0!base][1] could not be translated [2023-12-16 04:21:15,650 WARN L1574 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#2[~#signed_char_Array_0~0!base][1] could not be translated [2023-12-16 04:21:15,650 WARN L1574 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#2[~#signed_char_Array_0~0!base][2] could not be translated [2023-12-16 04:21:15,650 WARN L1574 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#2[~#signed_char_Array_0~0!base][0] could not be translated [2023-12-16 04:21:15,650 WARN L1574 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#5[~#unsigned_short_int_Array_0~0!base][2 + ~#unsigned_short_int_Array_0~0!offset] could not be translated [2023-12-16 04:21:15,650 WARN L1574 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#4[~#unsigned_char_Array_0~0!base][~#unsigned_char_Array_0~0!offset] could not be translated [2023-12-16 04:21:15,650 WARN L1574 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#1[~#BOOL_unsigned_char_Array_0~0!base][~#BOOL_unsigned_char_Array_0~0!offset] could not be translated [2023-12-16 04:21:15,651 WARN L1574 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#3[~#signed_long_int_Array_0~0!base][~#signed_long_int_Array_0~0!offset] could not be translated [2023-12-16 04:21:15,651 WARN L1574 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#2[~#signed_char_Array_0~0!base][2] could not be translated [2023-12-16 04:21:15,651 WARN L1574 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#4[~#unsigned_char_Array_0~0!base][~#unsigned_char_Array_0~0!offset] could not be translated [2023-12-16 04:21:15,651 WARN L1574 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#1[~#BOOL_unsigned_char_Array_0~0!base][3] could not be translated [2023-12-16 04:21:15,651 WARN L1574 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#5[~#unsigned_short_int_Array_0~0!base][~#unsigned_short_int_Array_0~0!offset] could not be translated [2023-12-16 04:21:15,651 WARN L1574 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#4[~#unsigned_char_Array_0~0!base][~#unsigned_char_Array_0~0!offset] could not be translated [2023-12-16 04:21:15,651 WARN L1574 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#5[~#unsigned_short_int_Array_0~0!base][~#unsigned_short_int_Array_0~0!offset] could not be translated [2023-12-16 04:21:15,651 WARN L1574 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#1[~#BOOL_unsigned_char_Array_0~0!base][~#BOOL_unsigned_char_Array_0~0!offset + 4] could not be translated [2023-12-16 04:21:15,652 WARN L1574 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#2[~#signed_char_Array_0~0!base][1] could not be translated [2023-12-16 04:21:15,652 WARN L1574 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#5[~#unsigned_short_int_Array_0~0!base][~#unsigned_short_int_Array_0~0!offset] could not be translated [2023-12-16 04:21:15,652 WARN L1574 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#5[~#unsigned_short_int_Array_0~0!base][2 + ~#unsigned_short_int_Array_0~0!offset] could not be translated [2023-12-16 04:21:15,652 WARN L1574 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#4[~#unsigned_char_Array_0~0!base][~#unsigned_char_Array_0~0!offset] could not be translated [2023-12-16 04:21:15,652 WARN L1574 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#1[~#BOOL_unsigned_char_Array_0~0!base][4] could not be translated [2023-12-16 04:21:15,652 WARN L1574 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#1[~#BOOL_unsigned_char_Array_0~0!base][2] could not be translated [2023-12-16 04:21:15,652 WARN L1574 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#3[~#signed_long_int_Array_0~0!base][~#signed_long_int_Array_0~0!offset] could not be translated [2023-12-16 04:21:15,652 WARN L1574 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#2[~#signed_char_Array_0~0!base][2] could not be translated [2023-12-16 04:21:15,653 WARN L1574 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#5[~#unsigned_short_int_Array_0~0!base][~#unsigned_short_int_Array_0~0!offset] could not be translated [2023-12-16 04:21:15,653 WARN L1574 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#5[~#unsigned_short_int_Array_0~0!base][~#unsigned_short_int_Array_0~0!offset] could not be translated [2023-12-16 04:21:15,653 WARN L1574 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#4[~#unsigned_char_Array_0~0!base][~#unsigned_char_Array_0~0!offset] could not be translated [2023-12-16 04:21:15,653 WARN L1574 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#4[~#unsigned_char_Array_0~0!base][~#unsigned_char_Array_0~0!offset] could not be translated [2023-12-16 04:21:15,653 WARN L1574 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#1[~#BOOL_unsigned_char_Array_0~0!base][3] could not be translated [2023-12-16 04:21:15,653 WARN L1574 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#1[~#BOOL_unsigned_char_Array_0~0!base][4] could not be translated [2023-12-16 04:21:15,653 WARN L1574 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#1[~#BOOL_unsigned_char_Array_0~0!base][2] could not be translated [2023-12-16 04:21:15,653 WARN L1574 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#1[~#BOOL_unsigned_char_Array_0~0!base][0] could not be translated [2023-12-16 04:21:15,653 WARN L1574 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#2[~#signed_char_Array_0~0!base][1] could not be translated [2023-12-16 04:21:15,653 WARN L1574 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#5[~#unsigned_short_int_Array_0~0!base][~#unsigned_short_int_Array_0~0!offset] could not be translated [2023-12-16 04:21:15,654 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 04:21:15 BoogieIcfgContainer [2023-12-16 04:21:15,654 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-16 04:21:15,655 INFO L158 Benchmark]: Toolchain (without parser) took 54896.17ms. Allocated memory was 269.5MB in the beginning and 562.0MB in the end (delta: 292.6MB). Free memory was 225.0MB in the beginning and 195.5MB in the end (delta: 29.5MB). Peak memory consumption was 340.4MB. Max. memory is 8.0GB. [2023-12-16 04:21:15,655 INFO L158 Benchmark]: CDTParser took 0.47ms. Allocated memory is still 186.6MB. Free memory is still 133.9MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-16 04:21:15,655 INFO L158 Benchmark]: CACSL2BoogieTranslator took 286.06ms. Allocated memory is still 269.5MB. Free memory was 224.5MB in the beginning and 210.3MB in the end (delta: 14.2MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2023-12-16 04:21:15,655 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.24ms. Allocated memory is still 269.5MB. Free memory was 210.3MB in the beginning and 206.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2023-12-16 04:21:15,655 INFO L158 Benchmark]: Boogie Preprocessor took 90.03ms. Allocated memory is still 269.5MB. Free memory was 206.1MB in the beginning and 201.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2023-12-16 04:21:15,656 INFO L158 Benchmark]: RCFGBuilder took 606.03ms. Allocated memory is still 269.5MB. Free memory was 201.9MB in the beginning and 169.4MB in the end (delta: 32.5MB). Peak memory consumption was 32.5MB. Max. memory is 8.0GB. [2023-12-16 04:21:15,656 INFO L158 Benchmark]: TraceAbstraction took 53846.52ms. Allocated memory was 269.5MB in the beginning and 562.0MB in the end (delta: 292.6MB). Free memory was 168.9MB in the beginning and 195.5MB in the end (delta: -26.6MB). Peak memory consumption was 283.8MB. Max. memory is 8.0GB. [2023-12-16 04:21:15,657 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.47ms. Allocated memory is still 186.6MB. Free memory is still 133.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 286.06ms. Allocated memory is still 269.5MB. Free memory was 224.5MB in the beginning and 210.3MB in the end (delta: 14.2MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 62.24ms. Allocated memory is still 269.5MB. Free memory was 210.3MB in the beginning and 206.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 90.03ms. Allocated memory is still 269.5MB. Free memory was 206.1MB in the beginning and 201.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 606.03ms. Allocated memory is still 269.5MB. Free memory was 201.9MB in the beginning and 169.4MB in the end (delta: 32.5MB). Peak memory consumption was 32.5MB. Max. memory is 8.0GB. * TraceAbstraction took 53846.52ms. Allocated memory was 269.5MB in the beginning and 562.0MB in the end (delta: 292.6MB). Free memory was 168.9MB in the beginning and 195.5MB in the end (delta: -26.6MB). Peak memory consumption was 283.8MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int#1[~#BOOL_unsigned_char_Array_0~0!base][0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int#1[~#BOOL_unsigned_char_Array_0~0!base][4] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int#4[~#unsigned_char_Array_0~0!base][~#unsigned_char_Array_0~0!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int#5[~#unsigned_short_int_Array_0~0!base][~#unsigned_short_int_Array_0~0!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int#4[~#unsigned_char_Array_0~0!base][~#unsigned_char_Array_0~0!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int#5[~#unsigned_short_int_Array_0~0!base][~#unsigned_short_int_Array_0~0!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int#2[~#signed_char_Array_0~0!base][1] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int#2[~#signed_char_Array_0~0!base][1] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int#2[~#signed_char_Array_0~0!base][2] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int#2[~#signed_char_Array_0~0!base][0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int#2[~#signed_char_Array_0~0!base][1] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int#2[~#signed_char_Array_0~0!base][1] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int#2[~#signed_char_Array_0~0!base][2] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int#2[~#signed_char_Array_0~0!base][0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int#5[~#unsigned_short_int_Array_0~0!base][2 + ~#unsigned_short_int_Array_0~0!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int#4[~#unsigned_char_Array_0~0!base][~#unsigned_char_Array_0~0!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int#1[~#BOOL_unsigned_char_Array_0~0!base][~#BOOL_unsigned_char_Array_0~0!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int#3[~#signed_long_int_Array_0~0!base][~#signed_long_int_Array_0~0!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int#2[~#signed_char_Array_0~0!base][2] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int#4[~#unsigned_char_Array_0~0!base][~#unsigned_char_Array_0~0!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int#1[~#BOOL_unsigned_char_Array_0~0!base][3] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int#5[~#unsigned_short_int_Array_0~0!base][~#unsigned_short_int_Array_0~0!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int#4[~#unsigned_char_Array_0~0!base][~#unsigned_char_Array_0~0!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int#5[~#unsigned_short_int_Array_0~0!base][~#unsigned_short_int_Array_0~0!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int#1[~#BOOL_unsigned_char_Array_0~0!base][~#BOOL_unsigned_char_Array_0~0!offset + 4] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int#2[~#signed_char_Array_0~0!base][1] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int#5[~#unsigned_short_int_Array_0~0!base][~#unsigned_short_int_Array_0~0!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int#5[~#unsigned_short_int_Array_0~0!base][2 + ~#unsigned_short_int_Array_0~0!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int#4[~#unsigned_char_Array_0~0!base][~#unsigned_char_Array_0~0!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int#1[~#BOOL_unsigned_char_Array_0~0!base][4] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int#1[~#BOOL_unsigned_char_Array_0~0!base][2] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int#3[~#signed_long_int_Array_0~0!base][~#signed_long_int_Array_0~0!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int#2[~#signed_char_Array_0~0!base][2] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int#5[~#unsigned_short_int_Array_0~0!base][~#unsigned_short_int_Array_0~0!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int#5[~#unsigned_short_int_Array_0~0!base][~#unsigned_short_int_Array_0~0!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int#4[~#unsigned_char_Array_0~0!base][~#unsigned_char_Array_0~0!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int#4[~#unsigned_char_Array_0~0!base][~#unsigned_char_Array_0~0!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int#1[~#BOOL_unsigned_char_Array_0~0!base][3] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int#1[~#BOOL_unsigned_char_Array_0~0!base][4] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int#1[~#BOOL_unsigned_char_Array_0~0!base][2] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int#1[~#BOOL_unsigned_char_Array_0~0!base][0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int#2[~#signed_char_Array_0~0!base][1] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int#5[~#unsigned_short_int_Array_0~0!base][~#unsigned_short_int_Array_0~0!offset] could not be translated * 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 - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 87 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 53.8s, OverallIterations: 24, TraceHistogramMax: 13, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 6.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 31.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3735 SdHoareTripleChecker+Valid, 3.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3706 mSDsluCounter, 13567 SdHoareTripleChecker+Invalid, 3.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 10319 mSDsCounter, 220 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4411 IncrementalHoareTripleChecker+Invalid, 4631 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 220 mSolverCounterUnsat, 3248 mSDtfsCounter, 4411 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3388 GetRequests, 3131 SyntacticMatches, 12 SemanticMatches, 245 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 677 ImplicationChecksByTransitivity, 2.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=562occurred in iteration=23, InterpolantAutomatonStates: 217, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 24 MinimizatonAttempts, 1195 StatesRemovedByMinimization, 22 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 15 LocationsWithAnnotation, 681 PreInvPairs, 747 NumberOfFragments, 2957 HoareAnnotationTreeSize, 681 FormulaSimplifications, 18234 FormulaSimplificationTreeSizeReduction, 1.0s HoareSimplificationTime, 15 FormulaSimplificationsInter, 73070 FormulaSimplificationTreeSizeReductionInter, 30.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.8s SsaConstructionTime, 1.5s SatisfiabilityAnalysisTime, 5.4s InterpolantComputationTime, 2671 NumberOfCodeBlocks, 2671 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 3285 ConstructedInterpolants, 0 QuantifiedInterpolants, 15034 SizeOfPredicates, 154 NumberOfNonLiveVariables, 8669 ConjunctsInSsa, 304 ConjunctsInUnsatCore, 31 InterpolantComputations, 21 PerfectInterpolantSequences, 9315/9672 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 100]: Loop Invariant Derived loop invariant: null RESULT: Ultimate proved your program to be correct! [2023-12-16 04:21:15,746 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...